1 /* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 /** 18 * @addtogroup Camera 19 * @{ 20 */ 21 22 /** 23 * @file NdkCameraMetadataTags.h 24 */ 25 26 /* 27 * This file defines an NDK API. 28 * Do not remove methods. 29 * Do not change method signatures. 30 * Do not change the value of constants. 31 * Do not change the size of any of the classes defined in here. 32 * Do not reference types that are not part of the NDK. 33 * Do not #include files that aren't part of the NDK. 34 */ 35 36 #ifndef _NDK_CAMERA_METADATA_TAGS_H 37 #define _NDK_CAMERA_METADATA_TAGS_H 38 39 #include <sys/cdefs.h> 40 41 __BEGIN_DECLS 42 43 #if __ANDROID_API__ >= 24 44 45 typedef enum acamera_metadata_section { 46 ACAMERA_COLOR_CORRECTION, 47 ACAMERA_CONTROL, 48 ACAMERA_DEMOSAIC, 49 ACAMERA_EDGE, 50 ACAMERA_FLASH, 51 ACAMERA_FLASH_INFO, 52 ACAMERA_HOT_PIXEL, 53 ACAMERA_JPEG, 54 ACAMERA_LENS, 55 ACAMERA_LENS_INFO, 56 ACAMERA_NOISE_REDUCTION, 57 ACAMERA_QUIRKS, 58 ACAMERA_REQUEST, 59 ACAMERA_SCALER, 60 ACAMERA_SENSOR, 61 ACAMERA_SENSOR_INFO, 62 ACAMERA_SHADING, 63 ACAMERA_STATISTICS, 64 ACAMERA_STATISTICS_INFO, 65 ACAMERA_TONEMAP, 66 ACAMERA_LED, 67 ACAMERA_INFO, 68 ACAMERA_BLACK_LEVEL, 69 ACAMERA_SYNC, 70 ACAMERA_REPROCESS, 71 ACAMERA_DEPTH, 72 ACAMERA_SECTION_COUNT, 73 74 ACAMERA_VENDOR = 0x8000 75 } acamera_metadata_section_t; 76 77 /** 78 * Hierarchy positions in enum space. 79 */ 80 typedef enum acamera_metadata_section_start { 81 ACAMERA_COLOR_CORRECTION_START = ACAMERA_COLOR_CORRECTION << 16, 82 ACAMERA_CONTROL_START = ACAMERA_CONTROL << 16, 83 ACAMERA_DEMOSAIC_START = ACAMERA_DEMOSAIC << 16, 84 ACAMERA_EDGE_START = ACAMERA_EDGE << 16, 85 ACAMERA_FLASH_START = ACAMERA_FLASH << 16, 86 ACAMERA_FLASH_INFO_START = ACAMERA_FLASH_INFO << 16, 87 ACAMERA_HOT_PIXEL_START = ACAMERA_HOT_PIXEL << 16, 88 ACAMERA_JPEG_START = ACAMERA_JPEG << 16, 89 ACAMERA_LENS_START = ACAMERA_LENS << 16, 90 ACAMERA_LENS_INFO_START = ACAMERA_LENS_INFO << 16, 91 ACAMERA_NOISE_REDUCTION_START = ACAMERA_NOISE_REDUCTION << 16, 92 ACAMERA_QUIRKS_START = ACAMERA_QUIRKS << 16, 93 ACAMERA_REQUEST_START = ACAMERA_REQUEST << 16, 94 ACAMERA_SCALER_START = ACAMERA_SCALER << 16, 95 ACAMERA_SENSOR_START = ACAMERA_SENSOR << 16, 96 ACAMERA_SENSOR_INFO_START = ACAMERA_SENSOR_INFO << 16, 97 ACAMERA_SHADING_START = ACAMERA_SHADING << 16, 98 ACAMERA_STATISTICS_START = ACAMERA_STATISTICS << 16, 99 ACAMERA_STATISTICS_INFO_START = ACAMERA_STATISTICS_INFO << 16, 100 ACAMERA_TONEMAP_START = ACAMERA_TONEMAP << 16, 101 ACAMERA_LED_START = ACAMERA_LED << 16, 102 ACAMERA_INFO_START = ACAMERA_INFO << 16, 103 ACAMERA_BLACK_LEVEL_START = ACAMERA_BLACK_LEVEL << 16, 104 ACAMERA_SYNC_START = ACAMERA_SYNC << 16, 105 ACAMERA_REPROCESS_START = ACAMERA_REPROCESS << 16, 106 ACAMERA_DEPTH_START = ACAMERA_DEPTH << 16, 107 ACAMERA_VENDOR_START = ACAMERA_VENDOR << 16 108 } acamera_metadata_section_start_t; 109 110 /** 111 * Main enum for camera metadata tags. 112 */ 113 typedef enum acamera_metadata_tag { 114 /** 115 * <p>The mode control selects how the image data is converted from the 116 * sensor's native color into linear sRGB color.</p> 117 * 118 * <p>This tag may appear in:</p> 119 * <ul> 120 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 121 * <li>ACaptureRequest</li> 122 * </ul> 123 * 124 * <p>When auto-white balance (AWB) is enabled with ACAMERA_CONTROL_AWB_MODE, this 125 * control is overridden by the AWB routine. When AWB is disabled, the 126 * application controls how the color mapping is performed.</p> 127 * <p>We define the expected processing pipeline below. For consistency 128 * across devices, this is always the case with TRANSFORM_MATRIX.</p> 129 * <p>When either FULL or HIGH_QUALITY is used, the camera device may 130 * do additional processing but ACAMERA_COLOR_CORRECTION_GAINS and 131 * ACAMERA_COLOR_CORRECTION_TRANSFORM will still be provided by the 132 * camera device (in the results) and be roughly correct.</p> 133 * <p>Switching to TRANSFORM_MATRIX and using the data provided from 134 * FAST or HIGH_QUALITY will yield a picture with the same white point 135 * as what was produced by the camera device in the earlier frame.</p> 136 * <p>The expected processing pipeline is as follows:</p> 137 * <p><img alt="White balance processing pipeline" src="../images/camera2/metadata/android.colorCorrection.mode/processing_pipeline.png" /></p> 138 * <p>The white balance is encoded by two values, a 4-channel white-balance 139 * gain vector (applied in the Bayer domain), and a 3x3 color transform 140 * matrix (applied after demosaic).</p> 141 * <p>The 4-channel white-balance gains are defined as:</p> 142 * <pre><code>ACAMERA_COLOR_CORRECTION_GAINS = [ R G_even G_odd B ] 143 * </code></pre> 144 * <p>where <code>G_even</code> is the gain for green pixels on even rows of the 145 * output, and <code>G_odd</code> is the gain for green pixels on the odd rows. 146 * These may be identical for a given camera device implementation; if 147 * the camera device does not support a separate gain for even/odd green 148 * channels, it will use the <code>G_even</code> value, and write <code>G_odd</code> equal to 149 * <code>G_even</code> in the output result metadata.</p> 150 * <p>The matrices for color transforms are defined as a 9-entry vector:</p> 151 * <pre><code>ACAMERA_COLOR_CORRECTION_TRANSFORM = [ I0 I1 I2 I3 I4 I5 I6 I7 I8 ] 152 * </code></pre> 153 * <p>which define a transform from input sensor colors, <code>P_in = [ r g b ]</code>, 154 * to output linear sRGB, <code>P_out = [ r' g' b' ]</code>,</p> 155 * <p>with colors as follows:</p> 156 * <pre><code>r' = I0r + I1g + I2b 157 * g' = I3r + I4g + I5b 158 * b' = I6r + I7g + I8b 159 * </code></pre> 160 * <p>Both the input and output value ranges must match. Overflow/underflow 161 * values are clipped to fit within the range.</p> 162 * 163 * @see ACAMERA_COLOR_CORRECTION_GAINS 164 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 165 * @see ACAMERA_CONTROL_AWB_MODE 166 */ 167 ACAMERA_COLOR_CORRECTION_MODE = // byte (enum) 168 ACAMERA_COLOR_CORRECTION_START, 169 /** 170 * <p>A color transform matrix to use to transform 171 * from sensor RGB color space to output linear sRGB color space.</p> 172 * 173 * <p>This tag may appear in:</p> 174 * <ul> 175 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 176 * <li>ACaptureRequest</li> 177 * </ul> 178 * 179 * <p>This matrix is either set by the camera device when the request 180 * ACAMERA_COLOR_CORRECTION_MODE is not TRANSFORM_MATRIX, or 181 * directly by the application in the request when the 182 * ACAMERA_COLOR_CORRECTION_MODE is TRANSFORM_MATRIX.</p> 183 * <p>In the latter case, the camera device may round the matrix to account 184 * for precision issues; the final rounded matrix should be reported back 185 * in this matrix result metadata. The transform should keep the magnitude 186 * of the output color values within <code>[0, 1.0]</code> (assuming input color 187 * values is within the normalized range <code>[0, 1.0]</code>), or clipping may occur.</p> 188 * <p>The valid range of each matrix element varies on different devices, but 189 * values within [-1.5, 3.0] are guaranteed not to be clipped.</p> 190 * 191 * @see ACAMERA_COLOR_CORRECTION_MODE 192 */ 193 ACAMERA_COLOR_CORRECTION_TRANSFORM = // rational[3*3] 194 ACAMERA_COLOR_CORRECTION_START + 1, 195 /** 196 * <p>Gains applying to Bayer raw color channels for 197 * white-balance.</p> 198 * 199 * <p>This tag may appear in:</p> 200 * <ul> 201 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 202 * <li>ACaptureRequest</li> 203 * </ul> 204 * 205 * <p>These per-channel gains are either set by the camera device 206 * when the request ACAMERA_COLOR_CORRECTION_MODE is not 207 * TRANSFORM_MATRIX, or directly by the application in the 208 * request when the ACAMERA_COLOR_CORRECTION_MODE is 209 * TRANSFORM_MATRIX.</p> 210 * <p>The gains in the result metadata are the gains actually 211 * applied by the camera device to the current frame.</p> 212 * <p>The valid range of gains varies on different devices, but gains 213 * between [1.0, 3.0] are guaranteed not to be clipped. Even if a given 214 * device allows gains below 1.0, this is usually not recommended because 215 * this can create color artifacts.</p> 216 * 217 * @see ACAMERA_COLOR_CORRECTION_MODE 218 */ 219 ACAMERA_COLOR_CORRECTION_GAINS = // float[4] 220 ACAMERA_COLOR_CORRECTION_START + 2, 221 /** 222 * <p>Mode of operation for the chromatic aberration correction algorithm.</p> 223 * 224 * <p>This tag may appear in:</p> 225 * <ul> 226 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 227 * <li>ACaptureRequest</li> 228 * </ul> 229 * 230 * <p>Chromatic (color) aberration is caused by the fact that different wavelengths of light 231 * can not focus on the same point after exiting from the lens. This metadata defines 232 * the high level control of chromatic aberration correction algorithm, which aims to 233 * minimize the chromatic artifacts that may occur along the object boundaries in an 234 * image.</p> 235 * <p>FAST/HIGH_QUALITY both mean that camera device determined aberration 236 * correction will be applied. HIGH_QUALITY mode indicates that the camera device will 237 * use the highest-quality aberration correction algorithms, even if it slows down 238 * capture rate. FAST means the camera device will not slow down capture rate when 239 * applying aberration correction.</p> 240 * <p>LEGACY devices will always be in FAST mode.</p> 241 */ 242 ACAMERA_COLOR_CORRECTION_ABERRATION_MODE = // byte (enum) 243 ACAMERA_COLOR_CORRECTION_START + 3, 244 /** 245 * <p>List of aberration correction modes for ACAMERA_COLOR_CORRECTION_ABERRATION_MODE that are 246 * supported by this camera device.</p> 247 * 248 * @see ACAMERA_COLOR_CORRECTION_ABERRATION_MODE 249 * 250 * <p>This tag may appear in:</p> 251 * <ul> 252 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 253 * </ul> 254 * 255 * <p>This key lists the valid modes for ACAMERA_COLOR_CORRECTION_ABERRATION_MODE. If no 256 * aberration correction modes are available for a device, this list will solely include 257 * OFF mode. All camera devices will support either OFF or FAST mode.</p> 258 * <p>Camera devices that support the MANUAL_POST_PROCESSING capability will always list 259 * OFF mode. This includes all FULL level devices.</p> 260 * <p>LEGACY devices will always only support FAST mode.</p> 261 * 262 * @see ACAMERA_COLOR_CORRECTION_ABERRATION_MODE 263 */ 264 ACAMERA_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES = // byte[n] 265 ACAMERA_COLOR_CORRECTION_START + 4, 266 ACAMERA_COLOR_CORRECTION_END, 267 268 /** 269 * <p>The desired setting for the camera device's auto-exposure 270 * algorithm's antibanding compensation.</p> 271 * 272 * <p>This tag may appear in:</p> 273 * <ul> 274 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 275 * <li>ACaptureRequest</li> 276 * </ul> 277 * 278 * <p>Some kinds of lighting fixtures, such as some fluorescent 279 * lights, flicker at the rate of the power supply frequency 280 * (60Hz or 50Hz, depending on country). While this is 281 * typically not noticeable to a person, it can be visible to 282 * a camera device. If a camera sets its exposure time to the 283 * wrong value, the flicker may become visible in the 284 * viewfinder as flicker or in a final captured image, as a 285 * set of variable-brightness bands across the image.</p> 286 * <p>Therefore, the auto-exposure routines of camera devices 287 * include antibanding routines that ensure that the chosen 288 * exposure value will not cause such banding. The choice of 289 * exposure time depends on the rate of flicker, which the 290 * camera device can detect automatically, or the expected 291 * rate can be selected by the application using this 292 * control.</p> 293 * <p>A given camera device may not support all of the possible 294 * options for the antibanding mode. The 295 * ACAMERA_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES key contains 296 * the available modes for a given camera device.</p> 297 * <p>AUTO mode is the default if it is available on given 298 * camera device. When AUTO mode is not available, the 299 * default will be either 50HZ or 60HZ, and both 50HZ 300 * and 60HZ will be available.</p> 301 * <p>If manual exposure control is enabled (by setting 302 * ACAMERA_CONTROL_AE_MODE or ACAMERA_CONTROL_MODE to OFF), 303 * then this setting has no effect, and the application must 304 * ensure it selects exposure times that do not cause banding 305 * issues. The ACAMERA_STATISTICS_SCENE_FLICKER key can assist 306 * the application in this.</p> 307 * 308 * @see ACAMERA_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES 309 * @see ACAMERA_CONTROL_AE_MODE 310 * @see ACAMERA_CONTROL_MODE 311 * @see ACAMERA_STATISTICS_SCENE_FLICKER 312 */ 313 ACAMERA_CONTROL_AE_ANTIBANDING_MODE = // byte (enum) 314 ACAMERA_CONTROL_START, 315 /** 316 * <p>Adjustment to auto-exposure (AE) target image 317 * brightness.</p> 318 * 319 * <p>This tag may appear in:</p> 320 * <ul> 321 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 322 * <li>ACaptureRequest</li> 323 * </ul> 324 * 325 * <p>The adjustment is measured as a count of steps, with the 326 * step size defined by ACAMERA_CONTROL_AE_COMPENSATION_STEP and the 327 * allowed range by ACAMERA_CONTROL_AE_COMPENSATION_RANGE.</p> 328 * <p>For example, if the exposure value (EV) step is 0.333, '6' 329 * will mean an exposure compensation of +2 EV; -3 will mean an 330 * exposure compensation of -1 EV. One EV represents a doubling 331 * of image brightness. Note that this control will only be 332 * effective if ACAMERA_CONTROL_AE_MODE <code>!=</code> OFF. This control 333 * will take effect even when ACAMERA_CONTROL_AE_LOCK <code>== true</code>.</p> 334 * <p>In the event of exposure compensation value being changed, camera device 335 * may take several frames to reach the newly requested exposure target. 336 * During that time, ACAMERA_CONTROL_AE_STATE field will be in the SEARCHING 337 * state. Once the new exposure target is reached, ACAMERA_CONTROL_AE_STATE will 338 * change from SEARCHING to either CONVERGED, LOCKED (if AE lock is enabled), or 339 * FLASH_REQUIRED (if the scene is too dark for still capture).</p> 340 * 341 * @see ACAMERA_CONTROL_AE_COMPENSATION_RANGE 342 * @see ACAMERA_CONTROL_AE_COMPENSATION_STEP 343 * @see ACAMERA_CONTROL_AE_LOCK 344 * @see ACAMERA_CONTROL_AE_MODE 345 * @see ACAMERA_CONTROL_AE_STATE 346 */ 347 ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION = // int32 348 ACAMERA_CONTROL_START + 1, 349 /** 350 * <p>Whether auto-exposure (AE) is currently locked to its latest 351 * calculated values.</p> 352 * 353 * <p>This tag may appear in:</p> 354 * <ul> 355 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 356 * <li>ACaptureRequest</li> 357 * </ul> 358 * 359 * <p>When set to <code>true</code> (ON), the AE algorithm is locked to its latest parameters, 360 * and will not change exposure settings until the lock is set to <code>false</code> (OFF).</p> 361 * <p>Note that even when AE is locked, the flash may be fired if 362 * the ACAMERA_CONTROL_AE_MODE is ON_AUTO_FLASH / 363 * ON_ALWAYS_FLASH / ON_AUTO_FLASH_REDEYE.</p> 364 * <p>When ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION is changed, even if the AE lock 365 * is ON, the camera device will still adjust its exposure value.</p> 366 * <p>If AE precapture is triggered (see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER) 367 * when AE is already locked, the camera device will not change the exposure time 368 * (ACAMERA_SENSOR_EXPOSURE_TIME) and sensitivity (ACAMERA_SENSOR_SENSITIVITY) 369 * parameters. The flash may be fired if the ACAMERA_CONTROL_AE_MODE 370 * is ON_AUTO_FLASH/ON_AUTO_FLASH_REDEYE and the scene is too dark. If the 371 * ACAMERA_CONTROL_AE_MODE is ON_ALWAYS_FLASH, the scene may become overexposed. 372 * Similarly, AE precapture trigger CANCEL has no effect when AE is already locked.</p> 373 * <p>When an AE precapture sequence is triggered, AE unlock will not be able to unlock 374 * the AE if AE is locked by the camera device internally during precapture metering 375 * sequence In other words, submitting requests with AE unlock has no effect for an 376 * ongoing precapture metering sequence. Otherwise, the precapture metering sequence 377 * will never succeed in a sequence of preview requests where AE lock is always set 378 * to <code>false</code>.</p> 379 * <p>Since the camera device has a pipeline of in-flight requests, the settings that 380 * get locked do not necessarily correspond to the settings that were present in the 381 * latest capture result received from the camera device, since additional captures 382 * and AE updates may have occurred even before the result was sent out. If an 383 * application is switching between automatic and manual control and wishes to eliminate 384 * any flicker during the switch, the following procedure is recommended:</p> 385 * <ol> 386 * <li>Starting in auto-AE mode:</li> 387 * <li>Lock AE</li> 388 * <li>Wait for the first result to be output that has the AE locked</li> 389 * <li>Copy exposure settings from that result into a request, set the request to manual AE</li> 390 * <li>Submit the capture request, proceed to run manual AE as desired.</li> 391 * </ol> 392 * <p>See ACAMERA_CONTROL_AE_STATE for AE lock related state transition details.</p> 393 * 394 * @see ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION 395 * @see ACAMERA_CONTROL_AE_MODE 396 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 397 * @see ACAMERA_CONTROL_AE_STATE 398 * @see ACAMERA_SENSOR_EXPOSURE_TIME 399 * @see ACAMERA_SENSOR_SENSITIVITY 400 */ 401 ACAMERA_CONTROL_AE_LOCK = // byte (enum) 402 ACAMERA_CONTROL_START + 2, 403 /** 404 * <p>The desired mode for the camera device's 405 * auto-exposure routine.</p> 406 * 407 * <p>This tag may appear in:</p> 408 * <ul> 409 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 410 * <li>ACaptureRequest</li> 411 * </ul> 412 * 413 * <p>This control is only effective if ACAMERA_CONTROL_MODE is 414 * AUTO.</p> 415 * <p>When set to any of the ON modes, the camera device's 416 * auto-exposure routine is enabled, overriding the 417 * application's selected exposure time, sensor sensitivity, 418 * and frame duration (ACAMERA_SENSOR_EXPOSURE_TIME, 419 * ACAMERA_SENSOR_SENSITIVITY, and 420 * ACAMERA_SENSOR_FRAME_DURATION). If one of the FLASH modes 421 * is selected, the camera device's flash unit controls are 422 * also overridden.</p> 423 * <p>The FLASH modes are only available if the camera device 424 * has a flash unit (ACAMERA_FLASH_INFO_AVAILABLE is <code>true</code>).</p> 425 * <p>If flash TORCH mode is desired, this field must be set to 426 * ON or OFF, and ACAMERA_FLASH_MODE set to TORCH.</p> 427 * <p>When set to any of the ON modes, the values chosen by the 428 * camera device auto-exposure routine for the overridden 429 * fields for a given capture will be available in its 430 * CaptureResult.</p> 431 * 432 * @see ACAMERA_CONTROL_MODE 433 * @see ACAMERA_FLASH_INFO_AVAILABLE 434 * @see ACAMERA_FLASH_MODE 435 * @see ACAMERA_SENSOR_EXPOSURE_TIME 436 * @see ACAMERA_SENSOR_FRAME_DURATION 437 * @see ACAMERA_SENSOR_SENSITIVITY 438 */ 439 ACAMERA_CONTROL_AE_MODE = // byte (enum) 440 ACAMERA_CONTROL_START + 3, 441 /** 442 * <p>List of metering areas to use for auto-exposure adjustment.</p> 443 * 444 * <p>This tag may appear in:</p> 445 * <ul> 446 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 447 * <li>ACaptureRequest</li> 448 * </ul> 449 * 450 * <p>Not available if android.control.maxRegionsAe is 0. 451 * Otherwise will always be present.</p> 452 * <p>The maximum number of regions supported by the device is determined by the value 453 * of android.control.maxRegionsAe.</p> 454 * <p>The data representation is int[5 * area_count]. 455 * Every five elements represent a metering region of (xmin, ymin, xmax, ymax, weight). 456 * The rectangle is defined to be inclusive on xmin and ymin, but exclusive on xmax and 457 * ymax.</p> 458 * <p>The coordinate system is based on the active pixel array, 459 * with (0,0) being the top-left pixel in the active pixel array, and 460 * (ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.width - 1, 461 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.height - 1) being the 462 * bottom-right pixel in the active pixel array.</p> 463 * <p>The weight must be within <code>[0, 1000]</code>, and represents a weight 464 * for every pixel in the area. This means that a large metering area 465 * with the same weight as a smaller area will have more effect in 466 * the metering result. Metering areas can partially overlap and the 467 * camera device will add the weights in the overlap region.</p> 468 * <p>The weights are relative to weights of other exposure metering regions, so if only one 469 * region is used, all non-zero weights will have the same effect. A region with 0 470 * weight is ignored.</p> 471 * <p>If all regions have 0 weight, then no specific metering area needs to be used by the 472 * camera device.</p> 473 * <p>If the metering region is outside the used ACAMERA_SCALER_CROP_REGION returned in 474 * capture result metadata, the camera device will ignore the sections outside the crop 475 * region and output only the intersection rectangle as the metering region in the result 476 * metadata. If the region is entirely outside the crop region, it will be ignored and 477 * not reported in the result metadata.</p> 478 * 479 * @see ACAMERA_SCALER_CROP_REGION 480 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 481 */ 482 ACAMERA_CONTROL_AE_REGIONS = // int32[5*area_count] 483 ACAMERA_CONTROL_START + 4, 484 /** 485 * <p>Range over which the auto-exposure routine can 486 * adjust the capture frame rate to maintain good 487 * exposure.</p> 488 * 489 * <p>This tag may appear in:</p> 490 * <ul> 491 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 492 * <li>ACaptureRequest</li> 493 * </ul> 494 * 495 * <p>Only constrains auto-exposure (AE) algorithm, not 496 * manual control of ACAMERA_SENSOR_EXPOSURE_TIME and 497 * ACAMERA_SENSOR_FRAME_DURATION.</p> 498 * 499 * @see ACAMERA_SENSOR_EXPOSURE_TIME 500 * @see ACAMERA_SENSOR_FRAME_DURATION 501 */ 502 ACAMERA_CONTROL_AE_TARGET_FPS_RANGE = // int32[2] 503 ACAMERA_CONTROL_START + 5, 504 /** 505 * <p>Whether the camera device will trigger a precapture 506 * metering sequence when it processes this request.</p> 507 * 508 * <p>This tag may appear in:</p> 509 * <ul> 510 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 511 * <li>ACaptureRequest</li> 512 * </ul> 513 * 514 * <p>This entry is normally set to IDLE, or is not 515 * included at all in the request settings. When included and 516 * set to START, the camera device will trigger the auto-exposure (AE) 517 * precapture metering sequence.</p> 518 * <p>When set to CANCEL, the camera device will cancel any active 519 * precapture metering trigger, and return to its initial AE state. 520 * If a precapture metering sequence is already completed, and the camera 521 * device has implicitly locked the AE for subsequent still capture, the 522 * CANCEL trigger will unlock the AE and return to its initial AE state.</p> 523 * <p>The precapture sequence should be triggered before starting a 524 * high-quality still capture for final metering decisions to 525 * be made, and for firing pre-capture flash pulses to estimate 526 * scene brightness and required final capture flash power, when 527 * the flash is enabled.</p> 528 * <p>Normally, this entry should be set to START for only a 529 * single request, and the application should wait until the 530 * sequence completes before starting a new one.</p> 531 * <p>When a precapture metering sequence is finished, the camera device 532 * may lock the auto-exposure routine internally to be able to accurately expose the 533 * subsequent still capture image (<code>ACAMERA_CONTROL_CAPTURE_INTENT == STILL_CAPTURE</code>). 534 * For this case, the AE may not resume normal scan if no subsequent still capture is 535 * submitted. To ensure that the AE routine restarts normal scan, the application should 536 * submit a request with <code>ACAMERA_CONTROL_AE_LOCK == true</code>, followed by a request 537 * with <code>ACAMERA_CONTROL_AE_LOCK == false</code>, if the application decides not to submit a 538 * still capture request after the precapture sequence completes. Alternatively, for 539 * API level 23 or newer devices, the CANCEL can be used to unlock the camera device 540 * internally locked AE if the application doesn't submit a still capture request after 541 * the AE precapture trigger. Note that, the CANCEL was added in API level 23, and must not 542 * be used in devices that have earlier API levels.</p> 543 * <p>The exact effect of auto-exposure (AE) precapture trigger 544 * depends on the current AE mode and state; see 545 * ACAMERA_CONTROL_AE_STATE for AE precapture state transition 546 * details.</p> 547 * <p>On LEGACY-level devices, the precapture trigger is not supported; 548 * capturing a high-resolution JPEG image will automatically trigger a 549 * precapture sequence before the high-resolution capture, including 550 * potentially firing a pre-capture flash.</p> 551 * <p>Using the precapture trigger and the auto-focus trigger ACAMERA_CONTROL_AF_TRIGGER 552 * simultaneously is allowed. However, since these triggers often require cooperation between 553 * the auto-focus and auto-exposure routines (for example, the may need to be enabled for a 554 * focus sweep), the camera device may delay acting on a later trigger until the previous 555 * trigger has been fully handled. This may lead to longer intervals between the trigger and 556 * changes to ACAMERA_CONTROL_AE_STATE indicating the start of the precapture sequence, for 557 * example.</p> 558 * <p>If both the precapture and the auto-focus trigger are activated on the same request, then 559 * the camera device will complete them in the optimal order for that device.</p> 560 * 561 * @see ACAMERA_CONTROL_AE_LOCK 562 * @see ACAMERA_CONTROL_AE_STATE 563 * @see ACAMERA_CONTROL_AF_TRIGGER 564 * @see ACAMERA_CONTROL_CAPTURE_INTENT 565 */ 566 ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER = // byte (enum) 567 ACAMERA_CONTROL_START + 6, 568 /** 569 * <p>Whether auto-focus (AF) is currently enabled, and what 570 * mode it is set to.</p> 571 * 572 * <p>This tag may appear in:</p> 573 * <ul> 574 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 575 * <li>ACaptureRequest</li> 576 * </ul> 577 * 578 * <p>Only effective if ACAMERA_CONTROL_MODE = AUTO and the lens is not fixed focus 579 * (i.e. <code>ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE > 0</code>). Also note that 580 * when ACAMERA_CONTROL_AE_MODE is OFF, the behavior of AF is device 581 * dependent. It is recommended to lock AF by using ACAMERA_CONTROL_AF_TRIGGER before 582 * setting ACAMERA_CONTROL_AE_MODE to OFF, or set AF mode to OFF when AE is OFF.</p> 583 * <p>If the lens is controlled by the camera device auto-focus algorithm, 584 * the camera device will report the current AF status in ACAMERA_CONTROL_AF_STATE 585 * in result metadata.</p> 586 * 587 * @see ACAMERA_CONTROL_AE_MODE 588 * @see ACAMERA_CONTROL_AF_STATE 589 * @see ACAMERA_CONTROL_AF_TRIGGER 590 * @see ACAMERA_CONTROL_MODE 591 * @see ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE 592 */ 593 ACAMERA_CONTROL_AF_MODE = // byte (enum) 594 ACAMERA_CONTROL_START + 7, 595 /** 596 * <p>List of metering areas to use for auto-focus.</p> 597 * 598 * <p>This tag may appear in:</p> 599 * <ul> 600 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 601 * <li>ACaptureRequest</li> 602 * </ul> 603 * 604 * <p>Not available if android.control.maxRegionsAf is 0. 605 * Otherwise will always be present.</p> 606 * <p>The maximum number of focus areas supported by the device is determined by the value 607 * of android.control.maxRegionsAf.</p> 608 * <p>The data representation is int[5 * area_count]. 609 * Every five elements represent a metering region of (xmin, ymin, xmax, ymax, weight). 610 * The rectangle is defined to be inclusive on xmin and ymin, but exclusive on xmax and 611 * ymax.</p> 612 * <p>The coordinate system is based on the active pixel array, 613 * with (0,0) being the top-left pixel in the active pixel array, and 614 * (ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.width - 1, 615 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.height - 1) being the 616 * bottom-right pixel in the active pixel array.</p> 617 * <p>The weight must be within <code>[0, 1000]</code>, and represents a weight 618 * for every pixel in the area. This means that a large metering area 619 * with the same weight as a smaller area will have more effect in 620 * the metering result. Metering areas can partially overlap and the 621 * camera device will add the weights in the overlap region.</p> 622 * <p>The weights are relative to weights of other metering regions, so if only one region 623 * is used, all non-zero weights will have the same effect. A region with 0 weight is 624 * ignored.</p> 625 * <p>If all regions have 0 weight, then no specific metering area needs to be used by the 626 * camera device.</p> 627 * <p>If the metering region is outside the used ACAMERA_SCALER_CROP_REGION returned in 628 * capture result metadata, the camera device will ignore the sections outside the crop 629 * region and output only the intersection rectangle as the metering region in the result 630 * metadata. If the region is entirely outside the crop region, it will be ignored and 631 * not reported in the result metadata.</p> 632 * 633 * @see ACAMERA_SCALER_CROP_REGION 634 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 635 */ 636 ACAMERA_CONTROL_AF_REGIONS = // int32[5*area_count] 637 ACAMERA_CONTROL_START + 8, 638 /** 639 * <p>Whether the camera device will trigger autofocus for this request.</p> 640 * 641 * <p>This tag may appear in:</p> 642 * <ul> 643 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 644 * <li>ACaptureRequest</li> 645 * </ul> 646 * 647 * <p>This entry is normally set to IDLE, or is not 648 * included at all in the request settings.</p> 649 * <p>When included and set to START, the camera device will trigger the 650 * autofocus algorithm. If autofocus is disabled, this trigger has no effect.</p> 651 * <p>When set to CANCEL, the camera device will cancel any active trigger, 652 * and return to its initial AF state.</p> 653 * <p>Generally, applications should set this entry to START or CANCEL for only a 654 * single capture, and then return it to IDLE (or not set at all). Specifying 655 * START for multiple captures in a row means restarting the AF operation over 656 * and over again.</p> 657 * <p>See ACAMERA_CONTROL_AF_STATE for what the trigger means for each AF mode.</p> 658 * <p>Using the autofocus trigger and the precapture trigger ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 659 * simultaneously is allowed. However, since these triggers often require cooperation between 660 * the auto-focus and auto-exposure routines (for example, the may need to be enabled for a 661 * focus sweep), the camera device may delay acting on a later trigger until the previous 662 * trigger has been fully handled. This may lead to longer intervals between the trigger and 663 * changes to ACAMERA_CONTROL_AF_STATE, for example.</p> 664 * 665 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 666 * @see ACAMERA_CONTROL_AF_STATE 667 */ 668 ACAMERA_CONTROL_AF_TRIGGER = // byte (enum) 669 ACAMERA_CONTROL_START + 9, 670 /** 671 * <p>Whether auto-white balance (AWB) is currently locked to its 672 * latest calculated values.</p> 673 * 674 * <p>This tag may appear in:</p> 675 * <ul> 676 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 677 * <li>ACaptureRequest</li> 678 * </ul> 679 * 680 * <p>When set to <code>true</code> (ON), the AWB algorithm is locked to its latest parameters, 681 * and will not change color balance settings until the lock is set to <code>false</code> (OFF).</p> 682 * <p>Since the camera device has a pipeline of in-flight requests, the settings that 683 * get locked do not necessarily correspond to the settings that were present in the 684 * latest capture result received from the camera device, since additional captures 685 * and AWB updates may have occurred even before the result was sent out. If an 686 * application is switching between automatic and manual control and wishes to eliminate 687 * any flicker during the switch, the following procedure is recommended:</p> 688 * <ol> 689 * <li>Starting in auto-AWB mode:</li> 690 * <li>Lock AWB</li> 691 * <li>Wait for the first result to be output that has the AWB locked</li> 692 * <li>Copy AWB settings from that result into a request, set the request to manual AWB</li> 693 * <li>Submit the capture request, proceed to run manual AWB as desired.</li> 694 * </ol> 695 * <p>Note that AWB lock is only meaningful when 696 * ACAMERA_CONTROL_AWB_MODE is in the AUTO mode; in other modes, 697 * AWB is already fixed to a specific setting.</p> 698 * <p>Some LEGACY devices may not support ON; the value is then overridden to OFF.</p> 699 * 700 * @see ACAMERA_CONTROL_AWB_MODE 701 */ 702 ACAMERA_CONTROL_AWB_LOCK = // byte (enum) 703 ACAMERA_CONTROL_START + 10, 704 /** 705 * <p>Whether auto-white balance (AWB) is currently setting the color 706 * transform fields, and what its illumination target 707 * is.</p> 708 * 709 * <p>This tag may appear in:</p> 710 * <ul> 711 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 712 * <li>ACaptureRequest</li> 713 * </ul> 714 * 715 * <p>This control is only effective if ACAMERA_CONTROL_MODE is AUTO.</p> 716 * <p>When set to the ON mode, the camera device's auto-white balance 717 * routine is enabled, overriding the application's selected 718 * ACAMERA_COLOR_CORRECTION_TRANSFORM, ACAMERA_COLOR_CORRECTION_GAINS and 719 * ACAMERA_COLOR_CORRECTION_MODE. Note that when ACAMERA_CONTROL_AE_MODE 720 * is OFF, the behavior of AWB is device dependent. It is recommened to 721 * also set AWB mode to OFF or lock AWB by using ACAMERA_CONTROL_AWB_LOCK before 722 * setting AE mode to OFF.</p> 723 * <p>When set to the OFF mode, the camera device's auto-white balance 724 * routine is disabled. The application manually controls the white 725 * balance by ACAMERA_COLOR_CORRECTION_TRANSFORM, ACAMERA_COLOR_CORRECTION_GAINS 726 * and ACAMERA_COLOR_CORRECTION_MODE.</p> 727 * <p>When set to any other modes, the camera device's auto-white 728 * balance routine is disabled. The camera device uses each 729 * particular illumination target for white balance 730 * adjustment. The application's values for 731 * ACAMERA_COLOR_CORRECTION_TRANSFORM, 732 * ACAMERA_COLOR_CORRECTION_GAINS and 733 * ACAMERA_COLOR_CORRECTION_MODE are ignored.</p> 734 * 735 * @see ACAMERA_COLOR_CORRECTION_GAINS 736 * @see ACAMERA_COLOR_CORRECTION_MODE 737 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 738 * @see ACAMERA_CONTROL_AE_MODE 739 * @see ACAMERA_CONTROL_AWB_LOCK 740 * @see ACAMERA_CONTROL_MODE 741 */ 742 ACAMERA_CONTROL_AWB_MODE = // byte (enum) 743 ACAMERA_CONTROL_START + 11, 744 /** 745 * <p>List of metering areas to use for auto-white-balance illuminant 746 * estimation.</p> 747 * 748 * <p>This tag may appear in:</p> 749 * <ul> 750 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 751 * <li>ACaptureRequest</li> 752 * </ul> 753 * 754 * <p>Not available if android.control.maxRegionsAwb is 0. 755 * Otherwise will always be present.</p> 756 * <p>The maximum number of regions supported by the device is determined by the value 757 * of android.control.maxRegionsAwb.</p> 758 * <p>The data representation is int[5 * area_count]. 759 * Every five elements represent a metering region of (xmin, ymin, xmax, ymax, weight). 760 * The rectangle is defined to be inclusive on xmin and ymin, but exclusive on xmax and 761 * ymax.</p> 762 * <p>The coordinate system is based on the active pixel array, 763 * with (0,0) being the top-left pixel in the active pixel array, and 764 * (ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.width - 1, 765 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.height - 1) being the 766 * bottom-right pixel in the active pixel array.</p> 767 * <p>The weight must range from 0 to 1000, and represents a weight 768 * for every pixel in the area. This means that a large metering area 769 * with the same weight as a smaller area will have more effect in 770 * the metering result. Metering areas can partially overlap and the 771 * camera device will add the weights in the overlap region.</p> 772 * <p>The weights are relative to weights of other white balance metering regions, so if 773 * only one region is used, all non-zero weights will have the same effect. A region with 774 * 0 weight is ignored.</p> 775 * <p>If all regions have 0 weight, then no specific metering area needs to be used by the 776 * camera device.</p> 777 * <p>If the metering region is outside the used ACAMERA_SCALER_CROP_REGION returned in 778 * capture result metadata, the camera device will ignore the sections outside the crop 779 * region and output only the intersection rectangle as the metering region in the result 780 * metadata. If the region is entirely outside the crop region, it will be ignored and 781 * not reported in the result metadata.</p> 782 * 783 * @see ACAMERA_SCALER_CROP_REGION 784 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 785 */ 786 ACAMERA_CONTROL_AWB_REGIONS = // int32[5*area_count] 787 ACAMERA_CONTROL_START + 12, 788 /** 789 * <p>Information to the camera device 3A (auto-exposure, 790 * auto-focus, auto-white balance) routines about the purpose 791 * of this capture, to help the camera device to decide optimal 3A 792 * strategy.</p> 793 * 794 * <p>This tag may appear in:</p> 795 * <ul> 796 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 797 * <li>ACaptureRequest</li> 798 * </ul> 799 * 800 * <p>This control (except for MANUAL) is only effective if 801 * <code>ACAMERA_CONTROL_MODE != OFF</code> and any 3A routine is active.</p> 802 * <p>ZERO_SHUTTER_LAG will be supported if ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 803 * contains PRIVATE_REPROCESSING or YUV_REPROCESSING. MANUAL will be supported if 804 * ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains MANUAL_SENSOR. Other intent values are 805 * always supported.</p> 806 * 807 * @see ACAMERA_CONTROL_MODE 808 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 809 */ 810 ACAMERA_CONTROL_CAPTURE_INTENT = // byte (enum) 811 ACAMERA_CONTROL_START + 13, 812 /** 813 * <p>A special color effect to apply.</p> 814 * 815 * <p>This tag may appear in:</p> 816 * <ul> 817 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 818 * <li>ACaptureRequest</li> 819 * </ul> 820 * 821 * <p>When this mode is set, a color effect will be applied 822 * to images produced by the camera device. The interpretation 823 * and implementation of these color effects is left to the 824 * implementor of the camera device, and should not be 825 * depended on to be consistent (or present) across all 826 * devices.</p> 827 */ 828 ACAMERA_CONTROL_EFFECT_MODE = // byte (enum) 829 ACAMERA_CONTROL_START + 14, 830 /** 831 * <p>Overall mode of 3A (auto-exposure, auto-white-balance, auto-focus) control 832 * routines.</p> 833 * 834 * <p>This tag may appear in:</p> 835 * <ul> 836 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 837 * <li>ACaptureRequest</li> 838 * </ul> 839 * 840 * <p>This is a top-level 3A control switch. When set to OFF, all 3A control 841 * by the camera device is disabled. The application must set the fields for 842 * capture parameters itself.</p> 843 * <p>When set to AUTO, the individual algorithm controls in 844 * ACAMERA_CONTROL_* are in effect, such as ACAMERA_CONTROL_AF_MODE.</p> 845 * <p>When set to USE_SCENE_MODE, the individual controls in 846 * ACAMERA_CONTROL_* are mostly disabled, and the camera device implements 847 * one of the scene mode settings (such as ACTION, SUNSET, or PARTY) 848 * as it wishes. The camera device scene mode 3A settings are provided by 849 * capture results {@link ACameraMetadata} from 850 * {@link ACameraCaptureSession_captureCallback_result}.</p> 851 * <p>When set to OFF_KEEP_STATE, it is similar to OFF mode, the only difference 852 * is that this frame will not be used by camera device background 3A statistics 853 * update, as if this frame is never captured. This mode can be used in the scenario 854 * where the application doesn't want a 3A manual control capture to affect 855 * the subsequent auto 3A capture results.</p> 856 * 857 * @see ACAMERA_CONTROL_AF_MODE 858 */ 859 ACAMERA_CONTROL_MODE = // byte (enum) 860 ACAMERA_CONTROL_START + 15, 861 /** 862 * <p>Control for which scene mode is currently active.</p> 863 * 864 * <p>This tag may appear in:</p> 865 * <ul> 866 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 867 * <li>ACaptureRequest</li> 868 * </ul> 869 * 870 * <p>Scene modes are custom camera modes optimized for a certain set of conditions and 871 * capture settings.</p> 872 * <p>This is the mode that that is active when 873 * <code>ACAMERA_CONTROL_MODE == USE_SCENE_MODE</code>. Aside from FACE_PRIORITY, these modes will 874 * disable ACAMERA_CONTROL_AE_MODE, ACAMERA_CONTROL_AWB_MODE, and ACAMERA_CONTROL_AF_MODE 875 * while in use.</p> 876 * <p>The interpretation and implementation of these scene modes is left 877 * to the implementor of the camera device. Their behavior will not be 878 * consistent across all devices, and any given device may only implement 879 * a subset of these modes.</p> 880 * 881 * @see ACAMERA_CONTROL_AE_MODE 882 * @see ACAMERA_CONTROL_AF_MODE 883 * @see ACAMERA_CONTROL_AWB_MODE 884 * @see ACAMERA_CONTROL_MODE 885 */ 886 ACAMERA_CONTROL_SCENE_MODE = // byte (enum) 887 ACAMERA_CONTROL_START + 16, 888 /** 889 * <p>Whether video stabilization is 890 * active.</p> 891 * 892 * <p>This tag may appear in:</p> 893 * <ul> 894 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 895 * <li>ACaptureRequest</li> 896 * </ul> 897 * 898 * <p>Video stabilization automatically warps images from 899 * the camera in order to stabilize motion between consecutive frames.</p> 900 * <p>If enabled, video stabilization can modify the 901 * ACAMERA_SCALER_CROP_REGION to keep the video stream stabilized.</p> 902 * <p>Switching between different video stabilization modes may take several 903 * frames to initialize, the camera device will report the current mode 904 * in capture result metadata. For example, When "ON" mode is requested, 905 * the video stabilization modes in the first several capture results may 906 * still be "OFF", and it will become "ON" when the initialization is 907 * done.</p> 908 * <p>In addition, not all recording sizes or frame rates may be supported for 909 * stabilization by a device that reports stabilization support. It is guaranteed 910 * that an output targeting a MediaRecorder or MediaCodec will be stabilized if 911 * the recording resolution is less than or equal to 1920 x 1080 (width less than 912 * or equal to 1920, height less than or equal to 1080), and the recording 913 * frame rate is less than or equal to 30fps. At other sizes, the CaptureResult 914 * ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE field will return 915 * OFF if the recording output is not stabilized, or if there are no output 916 * Surface types that can be stabilized.</p> 917 * <p>If a camera device supports both this mode and OIS 918 * (ACAMERA_LENS_OPTICAL_STABILIZATION_MODE), turning both modes on may 919 * produce undesirable interaction, so it is recommended not to enable 920 * both at the same time.</p> 921 * 922 * @see ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE 923 * @see ACAMERA_LENS_OPTICAL_STABILIZATION_MODE 924 * @see ACAMERA_SCALER_CROP_REGION 925 */ 926 ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE = // byte (enum) 927 ACAMERA_CONTROL_START + 17, 928 /** 929 * <p>List of auto-exposure antibanding modes for ACAMERA_CONTROL_AE_ANTIBANDING_MODE that are 930 * supported by this camera device.</p> 931 * 932 * @see ACAMERA_CONTROL_AE_ANTIBANDING_MODE 933 * 934 * <p>This tag may appear in:</p> 935 * <ul> 936 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 937 * </ul> 938 * 939 * <p>Not all of the auto-exposure anti-banding modes may be 940 * supported by a given camera device. This field lists the 941 * valid anti-banding modes that the application may request 942 * for this camera device with the 943 * ACAMERA_CONTROL_AE_ANTIBANDING_MODE control.</p> 944 * 945 * @see ACAMERA_CONTROL_AE_ANTIBANDING_MODE 946 */ 947 ACAMERA_CONTROL_AE_AVAILABLE_ANTIBANDING_MODES = // byte[n] 948 ACAMERA_CONTROL_START + 18, 949 /** 950 * <p>List of auto-exposure modes for ACAMERA_CONTROL_AE_MODE that are supported by this camera 951 * device.</p> 952 * 953 * @see ACAMERA_CONTROL_AE_MODE 954 * 955 * <p>This tag may appear in:</p> 956 * <ul> 957 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 958 * </ul> 959 * 960 * <p>Not all the auto-exposure modes may be supported by a 961 * given camera device, especially if no flash unit is 962 * available. This entry lists the valid modes for 963 * ACAMERA_CONTROL_AE_MODE for this camera device.</p> 964 * <p>All camera devices support ON, and all camera devices with flash 965 * units support ON_AUTO_FLASH and ON_ALWAYS_FLASH.</p> 966 * <p>FULL mode camera devices always support OFF mode, 967 * which enables application control of camera exposure time, 968 * sensitivity, and frame duration.</p> 969 * <p>LEGACY mode camera devices never support OFF mode. 970 * LIMITED mode devices support OFF if they support the MANUAL_SENSOR 971 * capability.</p> 972 * 973 * @see ACAMERA_CONTROL_AE_MODE 974 */ 975 ACAMERA_CONTROL_AE_AVAILABLE_MODES = // byte[n] 976 ACAMERA_CONTROL_START + 19, 977 /** 978 * <p>List of frame rate ranges for ACAMERA_CONTROL_AE_TARGET_FPS_RANGE supported by 979 * this camera device.</p> 980 * 981 * @see ACAMERA_CONTROL_AE_TARGET_FPS_RANGE 982 * 983 * <p>This tag may appear in:</p> 984 * <ul> 985 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 986 * </ul> 987 * 988 * <p>For devices at the LEGACY level or above:</p> 989 * <ul> 990 * <li> 991 * <p>For constant-framerate recording, for each normal 992 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html">CamcorderProfile</a>, that is, a 993 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html">CamcorderProfile</a> that has 994 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html#quality">quality</a> 995 * in the range [ 996 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html#QUALITY_LOW">QUALITY_LOW</a>, 997 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html#QUALITY_2160P">QUALITY_2160P</a>], 998 * if the profile is supported by the device and has 999 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html#videoFrameRate">videoFrameRate</a> 1000 * <code>x</code>, this list will always include (<code>x</code>,<code>x</code>).</p> 1001 * </li> 1002 * <li> 1003 * <p>Also, a camera device must either not support any 1004 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html">CamcorderProfile</a>, 1005 * or support at least one 1006 * normal <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html">CamcorderProfile</a> 1007 * that has 1008 * <a href="https://developer.android.com/reference/android/media/CamcorderProfile.html#videoFrameRate">videoFrameRate</a> <code>x</code> >= 24.</p> 1009 * </li> 1010 * </ul> 1011 * <p>For devices at the LIMITED level or above:</p> 1012 * <ul> 1013 * <li>For YUV_420_888 burst capture use case, this list will always include (<code>min</code>, <code>max</code>) 1014 * and (<code>max</code>, <code>max</code>) where <code>min</code> <= 15 and <code>max</code> = the maximum output frame rate of the 1015 * maximum YUV_420_888 output size.</li> 1016 * </ul> 1017 */ 1018 ACAMERA_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES = // int32[2*n] 1019 ACAMERA_CONTROL_START + 20, 1020 /** 1021 * <p>Maximum and minimum exposure compensation values for 1022 * ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION, in counts of ACAMERA_CONTROL_AE_COMPENSATION_STEP, 1023 * that are supported by this camera device.</p> 1024 * 1025 * @see ACAMERA_CONTROL_AE_COMPENSATION_STEP 1026 * @see ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION 1027 * 1028 * <p>This tag may appear in:</p> 1029 * <ul> 1030 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1031 * </ul> 1032 * 1033 * <p>None</p> 1034 */ 1035 ACAMERA_CONTROL_AE_COMPENSATION_RANGE = // int32[2] 1036 ACAMERA_CONTROL_START + 21, 1037 /** 1038 * <p>Smallest step by which the exposure compensation 1039 * can be changed.</p> 1040 * 1041 * <p>This tag may appear in:</p> 1042 * <ul> 1043 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1044 * </ul> 1045 * 1046 * <p>This is the unit for ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION. For example, if this key has 1047 * a value of <code>1/2</code>, then a setting of <code>-2</code> for ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION means 1048 * that the target EV offset for the auto-exposure routine is -1 EV.</p> 1049 * <p>One unit of EV compensation changes the brightness of the captured image by a factor 1050 * of two. +1 EV doubles the image brightness, while -1 EV halves the image brightness.</p> 1051 * 1052 * @see ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION 1053 */ 1054 ACAMERA_CONTROL_AE_COMPENSATION_STEP = // rational 1055 ACAMERA_CONTROL_START + 22, 1056 /** 1057 * <p>List of auto-focus (AF) modes for ACAMERA_CONTROL_AF_MODE that are 1058 * supported by this camera device.</p> 1059 * 1060 * @see ACAMERA_CONTROL_AF_MODE 1061 * 1062 * <p>This tag may appear in:</p> 1063 * <ul> 1064 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1065 * </ul> 1066 * 1067 * <p>Not all the auto-focus modes may be supported by a 1068 * given camera device. This entry lists the valid modes for 1069 * ACAMERA_CONTROL_AF_MODE for this camera device.</p> 1070 * <p>All LIMITED and FULL mode camera devices will support OFF mode, and all 1071 * camera devices with adjustable focuser units 1072 * (<code>ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE > 0</code>) will support AUTO mode.</p> 1073 * <p>LEGACY devices will support OFF mode only if they support 1074 * focusing to infinity (by also setting ACAMERA_LENS_FOCUS_DISTANCE to 1075 * <code>0.0f</code>).</p> 1076 * 1077 * @see ACAMERA_CONTROL_AF_MODE 1078 * @see ACAMERA_LENS_FOCUS_DISTANCE 1079 * @see ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE 1080 */ 1081 ACAMERA_CONTROL_AF_AVAILABLE_MODES = // byte[n] 1082 ACAMERA_CONTROL_START + 23, 1083 /** 1084 * <p>List of color effects for ACAMERA_CONTROL_EFFECT_MODE that are supported by this camera 1085 * device.</p> 1086 * 1087 * @see ACAMERA_CONTROL_EFFECT_MODE 1088 * 1089 * <p>This tag may appear in:</p> 1090 * <ul> 1091 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1092 * </ul> 1093 * 1094 * <p>This list contains the color effect modes that can be applied to 1095 * images produced by the camera device. 1096 * Implementations are not expected to be consistent across all devices. 1097 * If no color effect modes are available for a device, this will only list 1098 * OFF.</p> 1099 * <p>A color effect will only be applied if 1100 * ACAMERA_CONTROL_MODE != OFF. OFF is always included in this list.</p> 1101 * <p>This control has no effect on the operation of other control routines such 1102 * as auto-exposure, white balance, or focus.</p> 1103 * 1104 * @see ACAMERA_CONTROL_MODE 1105 */ 1106 ACAMERA_CONTROL_AVAILABLE_EFFECTS = // byte[n] 1107 ACAMERA_CONTROL_START + 24, 1108 /** 1109 * <p>List of scene modes for ACAMERA_CONTROL_SCENE_MODE that are supported by this camera 1110 * device.</p> 1111 * 1112 * @see ACAMERA_CONTROL_SCENE_MODE 1113 * 1114 * <p>This tag may appear in:</p> 1115 * <ul> 1116 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1117 * </ul> 1118 * 1119 * <p>This list contains scene modes that can be set for the camera device. 1120 * Only scene modes that have been fully implemented for the 1121 * camera device may be included here. Implementations are not expected 1122 * to be consistent across all devices.</p> 1123 * <p>If no scene modes are supported by the camera device, this 1124 * will be set to DISABLED. Otherwise DISABLED will not be listed.</p> 1125 * <p>FACE_PRIORITY is always listed if face detection is 1126 * supported (i.e.<code>ACAMERA_STATISTICS_INFO_MAX_FACE_COUNT > 1127 * 0</code>).</p> 1128 * 1129 * @see ACAMERA_STATISTICS_INFO_MAX_FACE_COUNT 1130 */ 1131 ACAMERA_CONTROL_AVAILABLE_SCENE_MODES = // byte[n] 1132 ACAMERA_CONTROL_START + 25, 1133 /** 1134 * <p>List of video stabilization modes for ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE 1135 * that are supported by this camera device.</p> 1136 * 1137 * @see ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE 1138 * 1139 * <p>This tag may appear in:</p> 1140 * <ul> 1141 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1142 * </ul> 1143 * 1144 * <p>OFF will always be listed.</p> 1145 */ 1146 ACAMERA_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES = // byte[n] 1147 ACAMERA_CONTROL_START + 26, 1148 /** 1149 * <p>List of auto-white-balance modes for ACAMERA_CONTROL_AWB_MODE that are supported by this 1150 * camera device.</p> 1151 * 1152 * @see ACAMERA_CONTROL_AWB_MODE 1153 * 1154 * <p>This tag may appear in:</p> 1155 * <ul> 1156 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1157 * </ul> 1158 * 1159 * <p>Not all the auto-white-balance modes may be supported by a 1160 * given camera device. This entry lists the valid modes for 1161 * ACAMERA_CONTROL_AWB_MODE for this camera device.</p> 1162 * <p>All camera devices will support ON mode.</p> 1163 * <p>Camera devices that support the MANUAL_POST_PROCESSING capability will always support OFF 1164 * mode, which enables application control of white balance, by using 1165 * ACAMERA_COLOR_CORRECTION_TRANSFORM and ACAMERA_COLOR_CORRECTION_GAINS(ACAMERA_COLOR_CORRECTION_MODE must be set to TRANSFORM_MATRIX). This includes all FULL 1166 * mode camera devices.</p> 1167 * 1168 * @see ACAMERA_COLOR_CORRECTION_GAINS 1169 * @see ACAMERA_COLOR_CORRECTION_MODE 1170 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 1171 * @see ACAMERA_CONTROL_AWB_MODE 1172 */ 1173 ACAMERA_CONTROL_AWB_AVAILABLE_MODES = // byte[n] 1174 ACAMERA_CONTROL_START + 27, 1175 /** 1176 * <p>List of the maximum number of regions that can be used for metering in 1177 * auto-exposure (AE), auto-white balance (AWB), and auto-focus (AF); 1178 * this corresponds to the the maximum number of elements in 1179 * ACAMERA_CONTROL_AE_REGIONS, ACAMERA_CONTROL_AWB_REGIONS, 1180 * and ACAMERA_CONTROL_AF_REGIONS.</p> 1181 * 1182 * @see ACAMERA_CONTROL_AE_REGIONS 1183 * @see ACAMERA_CONTROL_AF_REGIONS 1184 * @see ACAMERA_CONTROL_AWB_REGIONS 1185 * 1186 * <p>This tag may appear in:</p> 1187 * <ul> 1188 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1189 * </ul> 1190 * 1191 * <p>None</p> 1192 */ 1193 ACAMERA_CONTROL_MAX_REGIONS = // int32[3] 1194 ACAMERA_CONTROL_START + 28, 1195 /** 1196 * <p>Current state of the auto-exposure (AE) algorithm.</p> 1197 * 1198 * <p>This tag may appear in:</p> 1199 * <ul> 1200 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1201 * </ul> 1202 * 1203 * <p>Switching between or enabling AE modes (ACAMERA_CONTROL_AE_MODE) always 1204 * resets the AE state to INACTIVE. Similarly, switching between ACAMERA_CONTROL_MODE, 1205 * or ACAMERA_CONTROL_SCENE_MODE if <code>ACAMERA_CONTROL_MODE == USE_SCENE_MODE</code> resets all 1206 * the algorithm states to INACTIVE.</p> 1207 * <p>The camera device can do several state transitions between two results, if it is 1208 * allowed by the state transition table. For example: INACTIVE may never actually be 1209 * seen in a result.</p> 1210 * <p>The state in the result is the state for this image (in sync with this image): if 1211 * AE state becomes CONVERGED, then the image data associated with this result should 1212 * be good to use.</p> 1213 * <p>Below are state transition tables for different AE modes.</p> 1214 * <p>State | Transition Cause | New State | Notes 1215 * :------------:|:----------------:|:---------:|:-----------------------: 1216 * INACTIVE | | INACTIVE | Camera device auto exposure algorithm is disabled</p> 1217 * <p>When ACAMERA_CONTROL_AE_MODE is AE_MODE_ON_*:</p> 1218 * <p>State | Transition Cause | New State | Notes 1219 * :-------------:|:--------------------------------------------:|:--------------:|:-----------------: 1220 * INACTIVE | Camera device initiates AE scan | SEARCHING | Values changing 1221 * INACTIVE | ACAMERA_CONTROL_AE_LOCK is ON | LOCKED | Values locked 1222 * SEARCHING | Camera device finishes AE scan | CONVERGED | Good values, not changing 1223 * SEARCHING | Camera device finishes AE scan | FLASH_REQUIRED | Converged but too dark w/o flash 1224 * SEARCHING | ACAMERA_CONTROL_AE_LOCK is ON | LOCKED | Values locked 1225 * CONVERGED | Camera device initiates AE scan | SEARCHING | Values changing 1226 * CONVERGED | ACAMERA_CONTROL_AE_LOCK is ON | LOCKED | Values locked 1227 * FLASH_REQUIRED | Camera device initiates AE scan | SEARCHING | Values changing 1228 * FLASH_REQUIRED | ACAMERA_CONTROL_AE_LOCK is ON | LOCKED | Values locked 1229 * LOCKED | ACAMERA_CONTROL_AE_LOCK is OFF | SEARCHING | Values not good after unlock 1230 * LOCKED | ACAMERA_CONTROL_AE_LOCK is OFF | CONVERGED | Values good after unlock 1231 * LOCKED | ACAMERA_CONTROL_AE_LOCK is OFF | FLASH_REQUIRED | Exposure good, but too dark 1232 * PRECAPTURE | Sequence done. ACAMERA_CONTROL_AE_LOCK is OFF | CONVERGED | Ready for high-quality capture 1233 * PRECAPTURE | Sequence done. ACAMERA_CONTROL_AE_LOCK is ON | LOCKED | Ready for high-quality capture 1234 * LOCKED | aeLock is ON and aePrecaptureTrigger is START | LOCKED | Precapture trigger is ignored when AE is already locked 1235 * LOCKED | aeLock is ON and aePrecaptureTrigger is CANCEL| LOCKED | Precapture trigger is ignored when AE is already locked 1236 * Any state (excluding LOCKED) | ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER is START | PRECAPTURE | Start AE precapture metering sequence 1237 * Any state (excluding LOCKED) | ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER is CANCEL| INACTIVE | Currently active precapture metering sequence is canceled</p> 1238 * <p>For the above table, the camera device may skip reporting any state changes that happen 1239 * without application intervention (i.e. mode switch, trigger, locking). Any state that 1240 * can be skipped in that manner is called a transient state.</p> 1241 * <p>For example, for above AE modes (AE_MODE_ON_*), in addition to the state transitions 1242 * listed in above table, it is also legal for the camera device to skip one or more 1243 * transient states between two results. See below table for examples:</p> 1244 * <p>State | Transition Cause | New State | Notes 1245 * :-------------:|:-----------------------------------------------------------:|:--------------:|:-----------------: 1246 * INACTIVE | Camera device finished AE scan | CONVERGED | Values are already good, transient states are skipped by camera device. 1247 * Any state (excluding LOCKED) | ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER is START, sequence done | FLASH_REQUIRED | Converged but too dark w/o flash after a precapture sequence, transient states are skipped by camera device. 1248 * Any state (excluding LOCKED) | ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER is START, sequence done | CONVERGED | Converged after a precapture sequence, transient states are skipped by camera device. 1249 * Any state (excluding LOCKED) | ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER is CANCEL, converged | FLASH_REQUIRED | Converged but too dark w/o flash after a precapture sequence is canceled, transient states are skipped by camera device. 1250 * Any state (excluding LOCKED) | ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER is CANCEL, converged | CONVERGED | Converged after a precapture sequenceis canceled, transient states are skipped by camera device. 1251 * CONVERGED | Camera device finished AE scan | FLASH_REQUIRED | Converged but too dark w/o flash after a new scan, transient states are skipped by camera device. 1252 * FLASH_REQUIRED | Camera device finished AE scan | CONVERGED | Converged after a new scan, transient states are skipped by camera device.</p> 1253 * 1254 * @see ACAMERA_CONTROL_AE_LOCK 1255 * @see ACAMERA_CONTROL_AE_MODE 1256 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 1257 * @see ACAMERA_CONTROL_MODE 1258 * @see ACAMERA_CONTROL_SCENE_MODE 1259 */ 1260 ACAMERA_CONTROL_AE_STATE = // byte (enum) 1261 ACAMERA_CONTROL_START + 31, 1262 /** 1263 * <p>Current state of auto-focus (AF) algorithm.</p> 1264 * 1265 * <p>This tag may appear in:</p> 1266 * <ul> 1267 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1268 * </ul> 1269 * 1270 * <p>Switching between or enabling AF modes (ACAMERA_CONTROL_AF_MODE) always 1271 * resets the AF state to INACTIVE. Similarly, switching between ACAMERA_CONTROL_MODE, 1272 * or ACAMERA_CONTROL_SCENE_MODE if <code>ACAMERA_CONTROL_MODE == USE_SCENE_MODE</code> resets all 1273 * the algorithm states to INACTIVE.</p> 1274 * <p>The camera device can do several state transitions between two results, if it is 1275 * allowed by the state transition table. For example: INACTIVE may never actually be 1276 * seen in a result.</p> 1277 * <p>The state in the result is the state for this image (in sync with this image): if 1278 * AF state becomes FOCUSED, then the image data associated with this result should 1279 * be sharp.</p> 1280 * <p>Below are state transition tables for different AF modes.</p> 1281 * <p>When ACAMERA_CONTROL_AF_MODE is AF_MODE_OFF or AF_MODE_EDOF:</p> 1282 * <p>State | Transition Cause | New State | Notes 1283 * :------------:|:----------------:|:---------:|:-----------: 1284 * INACTIVE | | INACTIVE | Never changes</p> 1285 * <p>When ACAMERA_CONTROL_AF_MODE is AF_MODE_AUTO or AF_MODE_MACRO:</p> 1286 * <p>State | Transition Cause | New State | Notes 1287 * :-----------------:|:----------------:|:------------------:|:--------------: 1288 * INACTIVE | AF_TRIGGER | ACTIVE_SCAN | Start AF sweep, Lens now moving 1289 * ACTIVE_SCAN | AF sweep done | FOCUSED_LOCKED | Focused, Lens now locked 1290 * ACTIVE_SCAN | AF sweep done | NOT_FOCUSED_LOCKED | Not focused, Lens now locked 1291 * ACTIVE_SCAN | AF_CANCEL | INACTIVE | Cancel/reset AF, Lens now locked 1292 * FOCUSED_LOCKED | AF_CANCEL | INACTIVE | Cancel/reset AF 1293 * FOCUSED_LOCKED | AF_TRIGGER | ACTIVE_SCAN | Start new sweep, Lens now moving 1294 * NOT_FOCUSED_LOCKED | AF_CANCEL | INACTIVE | Cancel/reset AF 1295 * NOT_FOCUSED_LOCKED | AF_TRIGGER | ACTIVE_SCAN | Start new sweep, Lens now moving 1296 * Any state | Mode change | INACTIVE |</p> 1297 * <p>For the above table, the camera device may skip reporting any state changes that happen 1298 * without application intervention (i.e. mode switch, trigger, locking). Any state that 1299 * can be skipped in that manner is called a transient state.</p> 1300 * <p>For example, for these AF modes (AF_MODE_AUTO and AF_MODE_MACRO), in addition to the 1301 * state transitions listed in above table, it is also legal for the camera device to skip 1302 * one or more transient states between two results. See below table for examples:</p> 1303 * <p>State | Transition Cause | New State | Notes 1304 * :-----------------:|:----------------:|:------------------:|:--------------: 1305 * INACTIVE | AF_TRIGGER | FOCUSED_LOCKED | Focus is already good or good after a scan, lens is now locked. 1306 * INACTIVE | AF_TRIGGER | NOT_FOCUSED_LOCKED | Focus failed after a scan, lens is now locked. 1307 * FOCUSED_LOCKED | AF_TRIGGER | FOCUSED_LOCKED | Focus is already good or good after a scan, lens is now locked. 1308 * NOT_FOCUSED_LOCKED | AF_TRIGGER | FOCUSED_LOCKED | Focus is good after a scan, lens is not locked.</p> 1309 * <p>When ACAMERA_CONTROL_AF_MODE is AF_MODE_CONTINUOUS_VIDEO:</p> 1310 * <p>State | Transition Cause | New State | Notes 1311 * :-----------------:|:-----------------------------------:|:------------------:|:--------------: 1312 * INACTIVE | Camera device initiates new scan | PASSIVE_SCAN | Start AF scan, Lens now moving 1313 * INACTIVE | AF_TRIGGER | NOT_FOCUSED_LOCKED | AF state query, Lens now locked 1314 * PASSIVE_SCAN | Camera device completes current scan| PASSIVE_FOCUSED | End AF scan, Lens now locked 1315 * PASSIVE_SCAN | Camera device fails current scan | PASSIVE_UNFOCUSED | End AF scan, Lens now locked 1316 * PASSIVE_SCAN | AF_TRIGGER | FOCUSED_LOCKED | Immediate transition, if focus is good. Lens now locked 1317 * PASSIVE_SCAN | AF_TRIGGER | NOT_FOCUSED_LOCKED | Immediate transition, if focus is bad. Lens now locked 1318 * PASSIVE_SCAN | AF_CANCEL | INACTIVE | Reset lens position, Lens now locked 1319 * PASSIVE_FOCUSED | Camera device initiates new scan | PASSIVE_SCAN | Start AF scan, Lens now moving 1320 * PASSIVE_UNFOCUSED | Camera device initiates new scan | PASSIVE_SCAN | Start AF scan, Lens now moving 1321 * PASSIVE_FOCUSED | AF_TRIGGER | FOCUSED_LOCKED | Immediate transition, lens now locked 1322 * PASSIVE_UNFOCUSED | AF_TRIGGER | NOT_FOCUSED_LOCKED | Immediate transition, lens now locked 1323 * FOCUSED_LOCKED | AF_TRIGGER | FOCUSED_LOCKED | No effect 1324 * FOCUSED_LOCKED | AF_CANCEL | INACTIVE | Restart AF scan 1325 * NOT_FOCUSED_LOCKED | AF_TRIGGER | NOT_FOCUSED_LOCKED | No effect 1326 * NOT_FOCUSED_LOCKED | AF_CANCEL | INACTIVE | Restart AF scan</p> 1327 * <p>When ACAMERA_CONTROL_AF_MODE is AF_MODE_CONTINUOUS_PICTURE:</p> 1328 * <p>State | Transition Cause | New State | Notes 1329 * :-----------------:|:------------------------------------:|:------------------:|:--------------: 1330 * INACTIVE | Camera device initiates new scan | PASSIVE_SCAN | Start AF scan, Lens now moving 1331 * INACTIVE | AF_TRIGGER | NOT_FOCUSED_LOCKED | AF state query, Lens now locked 1332 * PASSIVE_SCAN | Camera device completes current scan | PASSIVE_FOCUSED | End AF scan, Lens now locked 1333 * PASSIVE_SCAN | Camera device fails current scan | PASSIVE_UNFOCUSED | End AF scan, Lens now locked 1334 * PASSIVE_SCAN | AF_TRIGGER | FOCUSED_LOCKED | Eventual transition once the focus is good. Lens now locked 1335 * PASSIVE_SCAN | AF_TRIGGER | NOT_FOCUSED_LOCKED | Eventual transition if cannot find focus. Lens now locked 1336 * PASSIVE_SCAN | AF_CANCEL | INACTIVE | Reset lens position, Lens now locked 1337 * PASSIVE_FOCUSED | Camera device initiates new scan | PASSIVE_SCAN | Start AF scan, Lens now moving 1338 * PASSIVE_UNFOCUSED | Camera device initiates new scan | PASSIVE_SCAN | Start AF scan, Lens now moving 1339 * PASSIVE_FOCUSED | AF_TRIGGER | FOCUSED_LOCKED | Immediate trans. Lens now locked 1340 * PASSIVE_UNFOCUSED | AF_TRIGGER | NOT_FOCUSED_LOCKED | Immediate trans. Lens now locked 1341 * FOCUSED_LOCKED | AF_TRIGGER | FOCUSED_LOCKED | No effect 1342 * FOCUSED_LOCKED | AF_CANCEL | INACTIVE | Restart AF scan 1343 * NOT_FOCUSED_LOCKED | AF_TRIGGER | NOT_FOCUSED_LOCKED | No effect 1344 * NOT_FOCUSED_LOCKED | AF_CANCEL | INACTIVE | Restart AF scan</p> 1345 * <p>When switch between AF_MODE_CONTINUOUS_* (CAF modes) and AF_MODE_AUTO/AF_MODE_MACRO 1346 * (AUTO modes), the initial INACTIVE or PASSIVE_SCAN states may be skipped by the 1347 * camera device. When a trigger is included in a mode switch request, the trigger 1348 * will be evaluated in the context of the new mode in the request. 1349 * See below table for examples:</p> 1350 * <p>State | Transition Cause | New State | Notes 1351 * :-----------:|:--------------------------------------:|:----------------------------------------:|:--------------: 1352 * any state | CAF-->AUTO mode switch | INACTIVE | Mode switch without trigger, initial state must be INACTIVE 1353 * any state | CAF-->AUTO mode switch with AF_TRIGGER | trigger-reachable states from INACTIVE | Mode switch with trigger, INACTIVE is skipped 1354 * any state | AUTO-->CAF mode switch | passively reachable states from INACTIVE | Mode switch without trigger, passive transient state is skipped</p> 1355 * 1356 * @see ACAMERA_CONTROL_AF_MODE 1357 * @see ACAMERA_CONTROL_MODE 1358 * @see ACAMERA_CONTROL_SCENE_MODE 1359 */ 1360 ACAMERA_CONTROL_AF_STATE = // byte (enum) 1361 ACAMERA_CONTROL_START + 32, 1362 /** 1363 * <p>Current state of auto-white balance (AWB) algorithm.</p> 1364 * 1365 * <p>This tag may appear in:</p> 1366 * <ul> 1367 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1368 * </ul> 1369 * 1370 * <p>Switching between or enabling AWB modes (ACAMERA_CONTROL_AWB_MODE) always 1371 * resets the AWB state to INACTIVE. Similarly, switching between ACAMERA_CONTROL_MODE, 1372 * or ACAMERA_CONTROL_SCENE_MODE if <code>ACAMERA_CONTROL_MODE == USE_SCENE_MODE</code> resets all 1373 * the algorithm states to INACTIVE.</p> 1374 * <p>The camera device can do several state transitions between two results, if it is 1375 * allowed by the state transition table. So INACTIVE may never actually be seen in 1376 * a result.</p> 1377 * <p>The state in the result is the state for this image (in sync with this image): if 1378 * AWB state becomes CONVERGED, then the image data associated with this result should 1379 * be good to use.</p> 1380 * <p>Below are state transition tables for different AWB modes.</p> 1381 * <p>When <code>ACAMERA_CONTROL_AWB_MODE != AWB_MODE_AUTO</code>:</p> 1382 * <p>State | Transition Cause | New State | Notes 1383 * :------------:|:----------------:|:---------:|:-----------------------: 1384 * INACTIVE | |INACTIVE |Camera device auto white balance algorithm is disabled</p> 1385 * <p>When ACAMERA_CONTROL_AWB_MODE is AWB_MODE_AUTO:</p> 1386 * <p>State | Transition Cause | New State | Notes 1387 * :-------------:|:--------------------------------:|:-------------:|:-----------------: 1388 * INACTIVE | Camera device initiates AWB scan | SEARCHING | Values changing 1389 * INACTIVE | ACAMERA_CONTROL_AWB_LOCK is ON | LOCKED | Values locked 1390 * SEARCHING | Camera device finishes AWB scan | CONVERGED | Good values, not changing 1391 * SEARCHING | ACAMERA_CONTROL_AWB_LOCK is ON | LOCKED | Values locked 1392 * CONVERGED | Camera device initiates AWB scan | SEARCHING | Values changing 1393 * CONVERGED | ACAMERA_CONTROL_AWB_LOCK is ON | LOCKED | Values locked 1394 * LOCKED | ACAMERA_CONTROL_AWB_LOCK is OFF | SEARCHING | Values not good after unlock</p> 1395 * <p>For the above table, the camera device may skip reporting any state changes that happen 1396 * without application intervention (i.e. mode switch, trigger, locking). Any state that 1397 * can be skipped in that manner is called a transient state.</p> 1398 * <p>For example, for this AWB mode (AWB_MODE_AUTO), in addition to the state transitions 1399 * listed in above table, it is also legal for the camera device to skip one or more 1400 * transient states between two results. See below table for examples:</p> 1401 * <p>State | Transition Cause | New State | Notes 1402 * :-------------:|:--------------------------------:|:-------------:|:-----------------: 1403 * INACTIVE | Camera device finished AWB scan | CONVERGED | Values are already good, transient states are skipped by camera device. 1404 * LOCKED | ACAMERA_CONTROL_AWB_LOCK is OFF | CONVERGED | Values good after unlock, transient states are skipped by camera device.</p> 1405 * 1406 * @see ACAMERA_CONTROL_AWB_LOCK 1407 * @see ACAMERA_CONTROL_AWB_MODE 1408 * @see ACAMERA_CONTROL_MODE 1409 * @see ACAMERA_CONTROL_SCENE_MODE 1410 */ 1411 ACAMERA_CONTROL_AWB_STATE = // byte (enum) 1412 ACAMERA_CONTROL_START + 34, 1413 /** 1414 * <p>Whether the camera device supports ACAMERA_CONTROL_AE_LOCK</p> 1415 * 1416 * @see ACAMERA_CONTROL_AE_LOCK 1417 * 1418 * <p>This tag may appear in:</p> 1419 * <ul> 1420 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1421 * </ul> 1422 * 1423 * <p>Devices with MANUAL_SENSOR capability or BURST_CAPTURE capability will always 1424 * list <code>true</code>. This includes FULL devices.</p> 1425 */ 1426 ACAMERA_CONTROL_AE_LOCK_AVAILABLE = // byte (enum) 1427 ACAMERA_CONTROL_START + 36, 1428 /** 1429 * <p>Whether the camera device supports ACAMERA_CONTROL_AWB_LOCK</p> 1430 * 1431 * @see ACAMERA_CONTROL_AWB_LOCK 1432 * 1433 * <p>This tag may appear in:</p> 1434 * <ul> 1435 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1436 * </ul> 1437 * 1438 * <p>Devices with MANUAL_POST_PROCESSING capability or BURST_CAPTURE capability will 1439 * always list <code>true</code>. This includes FULL devices.</p> 1440 */ 1441 ACAMERA_CONTROL_AWB_LOCK_AVAILABLE = // byte (enum) 1442 ACAMERA_CONTROL_START + 37, 1443 /** 1444 * <p>List of control modes for ACAMERA_CONTROL_MODE that are supported by this camera 1445 * device.</p> 1446 * 1447 * @see ACAMERA_CONTROL_MODE 1448 * 1449 * <p>This tag may appear in:</p> 1450 * <ul> 1451 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1452 * </ul> 1453 * 1454 * <p>This list contains control modes that can be set for the camera device. 1455 * LEGACY mode devices will always support AUTO mode. LIMITED and FULL 1456 * devices will always support OFF, AUTO modes.</p> 1457 */ 1458 ACAMERA_CONTROL_AVAILABLE_MODES = // byte[n] 1459 ACAMERA_CONTROL_START + 38, 1460 /** 1461 * <p>Range of boosts for ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST supported 1462 * by this camera device.</p> 1463 * 1464 * @see ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST 1465 * 1466 * <p>This tag may appear in:</p> 1467 * <ul> 1468 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1469 * </ul> 1470 * 1471 * <p>Devices support post RAW sensitivity boost will advertise 1472 * ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST key for controling 1473 * post RAW sensitivity boost.</p> 1474 * <p>This key will be <code>null</code> for devices that do not support any RAW format 1475 * outputs. For devices that do support RAW format outputs, this key will always 1476 * present, and if a device does not support post RAW sensitivity boost, it will 1477 * list <code>(100, 100)</code> in this key.</p> 1478 * 1479 * @see ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST 1480 */ 1481 ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST_RANGE = // int32[2] 1482 ACAMERA_CONTROL_START + 39, 1483 /** 1484 * <p>The amount of additional sensitivity boost applied to output images 1485 * after RAW sensor data is captured.</p> 1486 * 1487 * <p>This tag may appear in:</p> 1488 * <ul> 1489 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1490 * <li>ACaptureRequest</li> 1491 * </ul> 1492 * 1493 * <p>Some camera devices support additional digital sensitivity boosting in the 1494 * camera processing pipeline after sensor RAW image is captured. 1495 * Such a boost will be applied to YUV/JPEG format output images but will not 1496 * have effect on RAW output formats like RAW_SENSOR, RAW10, RAW12 or RAW_OPAQUE.</p> 1497 * <p>This key will be <code>null</code> for devices that do not support any RAW format 1498 * outputs. For devices that do support RAW format outputs, this key will always 1499 * present, and if a device does not support post RAW sensitivity boost, it will 1500 * list <code>100</code> in this key.</p> 1501 * <p>If the camera device cannot apply the exact boost requested, it will reduce the 1502 * boost to the nearest supported value. 1503 * The final boost value used will be available in the output capture result.</p> 1504 * <p>For devices that support post RAW sensitivity boost, the YUV/JPEG output images 1505 * of such device will have the total sensitivity of 1506 * <code>ACAMERA_SENSOR_SENSITIVITY * ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST / 100</code> 1507 * The sensitivity of RAW format images will always be <code>ACAMERA_SENSOR_SENSITIVITY</code></p> 1508 * <p>This control is only effective if ACAMERA_CONTROL_AE_MODE or ACAMERA_CONTROL_MODE is set to 1509 * OFF; otherwise the auto-exposure algorithm will override this value.</p> 1510 * 1511 * @see ACAMERA_CONTROL_AE_MODE 1512 * @see ACAMERA_CONTROL_MODE 1513 * @see ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST 1514 * @see ACAMERA_SENSOR_SENSITIVITY 1515 */ 1516 ACAMERA_CONTROL_POST_RAW_SENSITIVITY_BOOST = // int32 1517 ACAMERA_CONTROL_START + 40, 1518 /** 1519 * <p>Allow camera device to enable zero-shutter-lag mode for requests with 1520 * ACAMERA_CONTROL_CAPTURE_INTENT == STILL_CAPTURE.</p> 1521 * 1522 * @see ACAMERA_CONTROL_CAPTURE_INTENT 1523 * 1524 * <p>This tag may appear in:</p> 1525 * <ul> 1526 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1527 * <li>ACaptureRequest</li> 1528 * </ul> 1529 * 1530 * <p>If enableZsl is <code>true</code>, the camera device may enable zero-shutter-lag mode for requests with 1531 * STILL_CAPTURE capture intent. The camera device may use images captured in the past to 1532 * produce output images for a zero-shutter-lag request. The result metadata including the 1533 * ACAMERA_SENSOR_TIMESTAMP reflects the source frames used to produce output images. 1534 * Therefore, the contents of the output images and the result metadata may be out of order 1535 * compared to previous regular requests. enableZsl does not affect requests with other 1536 * capture intents.</p> 1537 * <p>For example, when requests are submitted in the following order: 1538 * Request A: enableZsl is <code>true</code>, ACAMERA_CONTROL_CAPTURE_INTENT is PREVIEW 1539 * Request B: enableZsl is <code>true</code>, ACAMERA_CONTROL_CAPTURE_INTENT is STILL_CAPTURE</p> 1540 * <p>The output images for request B may have contents captured before the output images for 1541 * request A, and the result metadata for request B may be older than the result metadata for 1542 * request A.</p> 1543 * <p>Note that when enableZsl is <code>true</code>, it is not guaranteed to get output images captured in the 1544 * past for requests with STILL_CAPTURE capture intent.</p> 1545 * <p>For applications targeting SDK versions O and newer, the value of enableZsl in 1546 * TEMPLATE_STILL_CAPTURE template may be <code>true</code>. The value in other templates is always 1547 * <code>false</code> if present.</p> 1548 * <p>For applications targeting SDK versions older than O, the value of enableZsl in all 1549 * capture templates is always <code>false</code> if present.</p> 1550 * <p>For application-operated ZSL, use CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG template.</p> 1551 * 1552 * @see ACAMERA_CONTROL_CAPTURE_INTENT 1553 * @see ACAMERA_SENSOR_TIMESTAMP 1554 */ 1555 ACAMERA_CONTROL_ENABLE_ZSL = // byte (enum) 1556 ACAMERA_CONTROL_START + 41, 1557 ACAMERA_CONTROL_END, 1558 1559 /** 1560 * <p>Operation mode for edge 1561 * enhancement.</p> 1562 * 1563 * <p>This tag may appear in:</p> 1564 * <ul> 1565 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1566 * <li>ACaptureRequest</li> 1567 * </ul> 1568 * 1569 * <p>Edge enhancement improves sharpness and details in the captured image. OFF means 1570 * no enhancement will be applied by the camera device.</p> 1571 * <p>FAST/HIGH_QUALITY both mean camera device determined enhancement 1572 * will be applied. HIGH_QUALITY mode indicates that the 1573 * camera device will use the highest-quality enhancement algorithms, 1574 * even if it slows down capture rate. FAST means the camera device will 1575 * not slow down capture rate when applying edge enhancement. FAST may be the same as OFF if 1576 * edge enhancement will slow down capture rate. Every output stream will have a similar 1577 * amount of enhancement applied.</p> 1578 * <p>ZERO_SHUTTER_LAG is meant to be used by applications that maintain a continuous circular 1579 * buffer of high-resolution images during preview and reprocess image(s) from that buffer 1580 * into a final capture when triggered by the user. In this mode, the camera device applies 1581 * edge enhancement to low-resolution streams (below maximum recording resolution) to 1582 * maximize preview quality, but does not apply edge enhancement to high-resolution streams, 1583 * since those will be reprocessed later if necessary.</p> 1584 * <p>For YUV_REPROCESSING, these FAST/HIGH_QUALITY modes both mean that the camera 1585 * device will apply FAST/HIGH_QUALITY YUV-domain edge enhancement, respectively. 1586 * The camera device may adjust its internal edge enhancement parameters for best 1587 * image quality based on the android.reprocess.effectiveExposureFactor, if it is set.</p> 1588 */ 1589 ACAMERA_EDGE_MODE = // byte (enum) 1590 ACAMERA_EDGE_START, 1591 /** 1592 * <p>List of edge enhancement modes for ACAMERA_EDGE_MODE that are supported by this camera 1593 * device.</p> 1594 * 1595 * @see ACAMERA_EDGE_MODE 1596 * 1597 * <p>This tag may appear in:</p> 1598 * <ul> 1599 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1600 * </ul> 1601 * 1602 * <p>Full-capability camera devices must always support OFF; camera devices that support 1603 * YUV_REPROCESSING or PRIVATE_REPROCESSING will list ZERO_SHUTTER_LAG; all devices will 1604 * list FAST.</p> 1605 */ 1606 ACAMERA_EDGE_AVAILABLE_EDGE_MODES = // byte[n] 1607 ACAMERA_EDGE_START + 2, 1608 ACAMERA_EDGE_END, 1609 1610 /** 1611 * <p>The desired mode for for the camera device's flash control.</p> 1612 * 1613 * <p>This tag may appear in:</p> 1614 * <ul> 1615 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1616 * <li>ACaptureRequest</li> 1617 * </ul> 1618 * 1619 * <p>This control is only effective when flash unit is available 1620 * (<code>ACAMERA_FLASH_INFO_AVAILABLE == true</code>).</p> 1621 * <p>When this control is used, the ACAMERA_CONTROL_AE_MODE must be set to ON or OFF. 1622 * Otherwise, the camera device auto-exposure related flash control (ON_AUTO_FLASH, 1623 * ON_ALWAYS_FLASH, or ON_AUTO_FLASH_REDEYE) will override this control.</p> 1624 * <p>When set to OFF, the camera device will not fire flash for this capture.</p> 1625 * <p>When set to SINGLE, the camera device will fire flash regardless of the camera 1626 * device's auto-exposure routine's result. When used in still capture case, this 1627 * control should be used along with auto-exposure (AE) precapture metering sequence 1628 * (ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER), otherwise, the image may be incorrectly exposed.</p> 1629 * <p>When set to TORCH, the flash will be on continuously. This mode can be used 1630 * for use cases such as preview, auto-focus assist, still capture, or video recording.</p> 1631 * <p>The flash status will be reported by ACAMERA_FLASH_STATE in the capture result metadata.</p> 1632 * 1633 * @see ACAMERA_CONTROL_AE_MODE 1634 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 1635 * @see ACAMERA_FLASH_INFO_AVAILABLE 1636 * @see ACAMERA_FLASH_STATE 1637 */ 1638 ACAMERA_FLASH_MODE = // byte (enum) 1639 ACAMERA_FLASH_START + 2, 1640 /** 1641 * <p>Current state of the flash 1642 * unit.</p> 1643 * 1644 * <p>This tag may appear in:</p> 1645 * <ul> 1646 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1647 * </ul> 1648 * 1649 * <p>When the camera device doesn't have flash unit 1650 * (i.e. <code>ACAMERA_FLASH_INFO_AVAILABLE == false</code>), this state will always be UNAVAILABLE. 1651 * Other states indicate the current flash status.</p> 1652 * <p>In certain conditions, this will be available on LEGACY devices:</p> 1653 * <ul> 1654 * <li>Flash-less cameras always return UNAVAILABLE.</li> 1655 * <li>Using ACAMERA_CONTROL_AE_MODE <code>==</code> ON_ALWAYS_FLASH 1656 * will always return FIRED.</li> 1657 * <li>Using ACAMERA_FLASH_MODE <code>==</code> TORCH 1658 * will always return FIRED.</li> 1659 * </ul> 1660 * <p>In all other conditions the state will not be available on 1661 * LEGACY devices (i.e. it will be <code>null</code>).</p> 1662 * 1663 * @see ACAMERA_CONTROL_AE_MODE 1664 * @see ACAMERA_FLASH_INFO_AVAILABLE 1665 * @see ACAMERA_FLASH_MODE 1666 */ 1667 ACAMERA_FLASH_STATE = // byte (enum) 1668 ACAMERA_FLASH_START + 5, 1669 ACAMERA_FLASH_END, 1670 1671 /** 1672 * <p>Whether this camera device has a 1673 * flash unit.</p> 1674 * 1675 * <p>This tag may appear in:</p> 1676 * <ul> 1677 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1678 * </ul> 1679 * 1680 * <p>Will be <code>false</code> if no flash is available.</p> 1681 * <p>If there is no flash unit, none of the flash controls do 1682 * anything.</p> 1683 */ 1684 ACAMERA_FLASH_INFO_AVAILABLE = // byte (enum) 1685 ACAMERA_FLASH_INFO_START, 1686 ACAMERA_FLASH_INFO_END, 1687 1688 /** 1689 * <p>Operational mode for hot pixel correction.</p> 1690 * 1691 * <p>This tag may appear in:</p> 1692 * <ul> 1693 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1694 * <li>ACaptureRequest</li> 1695 * </ul> 1696 * 1697 * <p>Hotpixel correction interpolates out, or otherwise removes, pixels 1698 * that do not accurately measure the incoming light (i.e. pixels that 1699 * are stuck at an arbitrary value or are oversensitive).</p> 1700 */ 1701 ACAMERA_HOT_PIXEL_MODE = // byte (enum) 1702 ACAMERA_HOT_PIXEL_START, 1703 /** 1704 * <p>List of hot pixel correction modes for ACAMERA_HOT_PIXEL_MODE that are supported by this 1705 * camera device.</p> 1706 * 1707 * @see ACAMERA_HOT_PIXEL_MODE 1708 * 1709 * <p>This tag may appear in:</p> 1710 * <ul> 1711 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1712 * </ul> 1713 * 1714 * <p>FULL mode camera devices will always support FAST.</p> 1715 */ 1716 ACAMERA_HOT_PIXEL_AVAILABLE_HOT_PIXEL_MODES = // byte[n] 1717 ACAMERA_HOT_PIXEL_START + 1, 1718 ACAMERA_HOT_PIXEL_END, 1719 1720 /** 1721 * <p>GPS coordinates to include in output JPEG 1722 * EXIF.</p> 1723 * 1724 * <p>This tag may appear in:</p> 1725 * <ul> 1726 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1727 * <li>ACaptureRequest</li> 1728 * </ul> 1729 * 1730 * <p>None</p> 1731 */ 1732 ACAMERA_JPEG_GPS_COORDINATES = // double[3] 1733 ACAMERA_JPEG_START, 1734 /** 1735 * <p>32 characters describing GPS algorithm to 1736 * include in EXIF.</p> 1737 * 1738 * <p>This tag may appear in:</p> 1739 * <ul> 1740 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1741 * <li>ACaptureRequest</li> 1742 * </ul> 1743 * 1744 * <p>None</p> 1745 */ 1746 ACAMERA_JPEG_GPS_PROCESSING_METHOD = // byte 1747 ACAMERA_JPEG_START + 1, 1748 /** 1749 * <p>Time GPS fix was made to include in 1750 * EXIF.</p> 1751 * 1752 * <p>This tag may appear in:</p> 1753 * <ul> 1754 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1755 * <li>ACaptureRequest</li> 1756 * </ul> 1757 * 1758 * <p>None</p> 1759 */ 1760 ACAMERA_JPEG_GPS_TIMESTAMP = // int64 1761 ACAMERA_JPEG_START + 2, 1762 /** 1763 * <p>The orientation for a JPEG image.</p> 1764 * 1765 * <p>This tag may appear in:</p> 1766 * <ul> 1767 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1768 * <li>ACaptureRequest</li> 1769 * </ul> 1770 * 1771 * <p>The clockwise rotation angle in degrees, relative to the orientation 1772 * to the camera, that the JPEG picture needs to be rotated by, to be viewed 1773 * upright.</p> 1774 * <p>Camera devices may either encode this value into the JPEG EXIF header, or 1775 * rotate the image data to match this orientation. When the image data is rotated, 1776 * the thumbnail data will also be rotated.</p> 1777 * <p>Note that this orientation is relative to the orientation of the camera sensor, given 1778 * by ACAMERA_SENSOR_ORIENTATION.</p> 1779 * <p>To translate from the device orientation given by the Android sensor APIs, the following 1780 * sample code may be used:</p> 1781 * <pre><code>private int getJpegOrientation(CameraCharacteristics c, int deviceOrientation) { 1782 * if (deviceOrientation == android.view.OrientationEventListener.ORIENTATION_UNKNOWN) return 0; 1783 * int sensorOrientation = c.get(CameraCharacteristics.SENSOR_ORIENTATION); 1784 * 1785 * // Round device orientation to a multiple of 90 1786 * deviceOrientation = (deviceOrientation + 45) / 90 * 90; 1787 * 1788 * // Reverse device orientation for front-facing cameras 1789 * boolean facingFront = c.get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT; 1790 * if (facingFront) deviceOrientation = -deviceOrientation; 1791 * 1792 * // Calculate desired JPEG orientation relative to camera orientation to make 1793 * // the image upright relative to the device orientation 1794 * int jpegOrientation = (sensorOrientation + deviceOrientation + 360) % 360; 1795 * 1796 * return jpegOrientation; 1797 * } 1798 * </code></pre> 1799 * 1800 * @see ACAMERA_SENSOR_ORIENTATION 1801 */ 1802 ACAMERA_JPEG_ORIENTATION = // int32 1803 ACAMERA_JPEG_START + 3, 1804 /** 1805 * <p>Compression quality of the final JPEG 1806 * image.</p> 1807 * 1808 * <p>This tag may appear in:</p> 1809 * <ul> 1810 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1811 * <li>ACaptureRequest</li> 1812 * </ul> 1813 * 1814 * <p>85-95 is typical usage range.</p> 1815 */ 1816 ACAMERA_JPEG_QUALITY = // byte 1817 ACAMERA_JPEG_START + 4, 1818 /** 1819 * <p>Compression quality of JPEG 1820 * thumbnail.</p> 1821 * 1822 * <p>This tag may appear in:</p> 1823 * <ul> 1824 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1825 * <li>ACaptureRequest</li> 1826 * </ul> 1827 * 1828 * <p>None</p> 1829 */ 1830 ACAMERA_JPEG_THUMBNAIL_QUALITY = // byte 1831 ACAMERA_JPEG_START + 5, 1832 /** 1833 * <p>Resolution of embedded JPEG thumbnail.</p> 1834 * 1835 * <p>This tag may appear in:</p> 1836 * <ul> 1837 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1838 * <li>ACaptureRequest</li> 1839 * </ul> 1840 * 1841 * <p>When set to (0, 0) value, the JPEG EXIF will not contain thumbnail, 1842 * but the captured JPEG will still be a valid image.</p> 1843 * <p>For best results, when issuing a request for a JPEG image, the thumbnail size selected 1844 * should have the same aspect ratio as the main JPEG output.</p> 1845 * <p>If the thumbnail image aspect ratio differs from the JPEG primary image aspect 1846 * ratio, the camera device creates the thumbnail by cropping it from the primary image. 1847 * For example, if the primary image has 4:3 aspect ratio, the thumbnail image has 1848 * 16:9 aspect ratio, the primary image will be cropped vertically (letterbox) to 1849 * generate the thumbnail image. The thumbnail image will always have a smaller Field 1850 * Of View (FOV) than the primary image when aspect ratios differ.</p> 1851 * <p>When an ACAMERA_JPEG_ORIENTATION of non-zero degree is requested, 1852 * the camera device will handle thumbnail rotation in one of the following ways:</p> 1853 * <ul> 1854 * <li>Set the 1855 * <a href="https://developer.android.com/reference/android/media/ExifInterface.html#TAG_ORIENTATION">EXIF orientation flag</a> 1856 * and keep jpeg and thumbnail image data unrotated.</li> 1857 * <li>Rotate the jpeg and thumbnail image data and not set 1858 * <a href="https://developer.android.com/reference/android/media/ExifInterface.html#TAG_ORIENTATION">EXIF orientation flag</a>. 1859 * In this case, LIMITED or FULL hardware level devices will report rotated thumnail size 1860 * in capture result, so the width and height will be interchanged if 90 or 270 degree 1861 * orientation is requested. LEGACY device will always report unrotated thumbnail size.</li> 1862 * </ul> 1863 * 1864 * @see ACAMERA_JPEG_ORIENTATION 1865 */ 1866 ACAMERA_JPEG_THUMBNAIL_SIZE = // int32[2] 1867 ACAMERA_JPEG_START + 6, 1868 /** 1869 * <p>List of JPEG thumbnail sizes for ACAMERA_JPEG_THUMBNAIL_SIZE supported by this 1870 * camera device.</p> 1871 * 1872 * @see ACAMERA_JPEG_THUMBNAIL_SIZE 1873 * 1874 * <p>This tag may appear in:</p> 1875 * <ul> 1876 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 1877 * </ul> 1878 * 1879 * <p>This list will include at least one non-zero resolution, plus <code>(0,0)</code> for indicating no 1880 * thumbnail should be generated.</p> 1881 * <p>Below condiditions will be satisfied for this size list:</p> 1882 * <ul> 1883 * <li>The sizes will be sorted by increasing pixel area (width x height). 1884 * If several resolutions have the same area, they will be sorted by increasing width.</li> 1885 * <li>The aspect ratio of the largest thumbnail size will be same as the 1886 * aspect ratio of largest JPEG output size in ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS. 1887 * The largest size is defined as the size that has the largest pixel area 1888 * in a given size list.</li> 1889 * <li>Each output JPEG size in ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS will have at least 1890 * one corresponding size that has the same aspect ratio in availableThumbnailSizes, 1891 * and vice versa.</li> 1892 * <li>All non-<code>(0, 0)</code> sizes will have non-zero widths and heights.</li> 1893 * </ul> 1894 * 1895 * @see ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS 1896 */ 1897 ACAMERA_JPEG_AVAILABLE_THUMBNAIL_SIZES = // int32[2*n] 1898 ACAMERA_JPEG_START + 7, 1899 ACAMERA_JPEG_END, 1900 1901 /** 1902 * <p>The desired lens aperture size, as a ratio of lens focal length to the 1903 * effective aperture diameter.</p> 1904 * 1905 * <p>This tag may appear in:</p> 1906 * <ul> 1907 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1908 * <li>ACaptureRequest</li> 1909 * </ul> 1910 * 1911 * <p>Setting this value is only supported on the camera devices that have a variable 1912 * aperture lens.</p> 1913 * <p>When this is supported and ACAMERA_CONTROL_AE_MODE is OFF, 1914 * this can be set along with ACAMERA_SENSOR_EXPOSURE_TIME, 1915 * ACAMERA_SENSOR_SENSITIVITY, and ACAMERA_SENSOR_FRAME_DURATION 1916 * to achieve manual exposure control.</p> 1917 * <p>The requested aperture value may take several frames to reach the 1918 * requested value; the camera device will report the current (intermediate) 1919 * aperture size in capture result metadata while the aperture is changing. 1920 * While the aperture is still changing, ACAMERA_LENS_STATE will be set to MOVING.</p> 1921 * <p>When this is supported and ACAMERA_CONTROL_AE_MODE is one of 1922 * the ON modes, this will be overridden by the camera device 1923 * auto-exposure algorithm, the overridden values are then provided 1924 * back to the user in the corresponding result.</p> 1925 * 1926 * @see ACAMERA_CONTROL_AE_MODE 1927 * @see ACAMERA_LENS_STATE 1928 * @see ACAMERA_SENSOR_EXPOSURE_TIME 1929 * @see ACAMERA_SENSOR_FRAME_DURATION 1930 * @see ACAMERA_SENSOR_SENSITIVITY 1931 */ 1932 ACAMERA_LENS_APERTURE = // float 1933 ACAMERA_LENS_START, 1934 /** 1935 * <p>The desired setting for the lens neutral density filter(s).</p> 1936 * 1937 * <p>This tag may appear in:</p> 1938 * <ul> 1939 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1940 * <li>ACaptureRequest</li> 1941 * </ul> 1942 * 1943 * <p>This control will not be supported on most camera devices.</p> 1944 * <p>Lens filters are typically used to lower the amount of light the 1945 * sensor is exposed to (measured in steps of EV). As used here, an EV 1946 * step is the standard logarithmic representation, which are 1947 * non-negative, and inversely proportional to the amount of light 1948 * hitting the sensor. For example, setting this to 0 would result 1949 * in no reduction of the incoming light, and setting this to 2 would 1950 * mean that the filter is set to reduce incoming light by two stops 1951 * (allowing 1/4 of the prior amount of light to the sensor).</p> 1952 * <p>It may take several frames before the lens filter density changes 1953 * to the requested value. While the filter density is still changing, 1954 * ACAMERA_LENS_STATE will be set to MOVING.</p> 1955 * 1956 * @see ACAMERA_LENS_STATE 1957 */ 1958 ACAMERA_LENS_FILTER_DENSITY = // float 1959 ACAMERA_LENS_START + 1, 1960 /** 1961 * <p>The desired lens focal length; used for optical zoom.</p> 1962 * 1963 * <p>This tag may appear in:</p> 1964 * <ul> 1965 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1966 * <li>ACaptureRequest</li> 1967 * </ul> 1968 * 1969 * <p>This setting controls the physical focal length of the camera 1970 * device's lens. Changing the focal length changes the field of 1971 * view of the camera device, and is usually used for optical zoom.</p> 1972 * <p>Like ACAMERA_LENS_FOCUS_DISTANCE and ACAMERA_LENS_APERTURE, this 1973 * setting won't be applied instantaneously, and it may take several 1974 * frames before the lens can change to the requested focal length. 1975 * While the focal length is still changing, ACAMERA_LENS_STATE will 1976 * be set to MOVING.</p> 1977 * <p>Optical zoom will not be supported on most devices.</p> 1978 * 1979 * @see ACAMERA_LENS_APERTURE 1980 * @see ACAMERA_LENS_FOCUS_DISTANCE 1981 * @see ACAMERA_LENS_STATE 1982 */ 1983 ACAMERA_LENS_FOCAL_LENGTH = // float 1984 ACAMERA_LENS_START + 2, 1985 /** 1986 * <p>Desired distance to plane of sharpest focus, 1987 * measured from frontmost surface of the lens.</p> 1988 * 1989 * <p>This tag may appear in:</p> 1990 * <ul> 1991 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 1992 * <li>ACaptureRequest</li> 1993 * </ul> 1994 * 1995 * <p>Should be zero for fixed-focus cameras</p> 1996 */ 1997 ACAMERA_LENS_FOCUS_DISTANCE = // float 1998 ACAMERA_LENS_START + 3, 1999 /** 2000 * <p>Sets whether the camera device uses optical image stabilization (OIS) 2001 * when capturing images.</p> 2002 * 2003 * <p>This tag may appear in:</p> 2004 * <ul> 2005 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2006 * <li>ACaptureRequest</li> 2007 * </ul> 2008 * 2009 * <p>OIS is used to compensate for motion blur due to small 2010 * movements of the camera during capture. Unlike digital image 2011 * stabilization (ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE), OIS 2012 * makes use of mechanical elements to stabilize the camera 2013 * sensor, and thus allows for longer exposure times before 2014 * camera shake becomes apparent.</p> 2015 * <p>Switching between different optical stabilization modes may take several 2016 * frames to initialize, the camera device will report the current mode in 2017 * capture result metadata. For example, When "ON" mode is requested, the 2018 * optical stabilization modes in the first several capture results may still 2019 * be "OFF", and it will become "ON" when the initialization is done.</p> 2020 * <p>If a camera device supports both OIS and digital image stabilization 2021 * (ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE), turning both modes on may produce undesirable 2022 * interaction, so it is recommended not to enable both at the same time.</p> 2023 * <p>Not all devices will support OIS; see 2024 * ACAMERA_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION for 2025 * available controls.</p> 2026 * 2027 * @see ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE 2028 * @see ACAMERA_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION 2029 */ 2030 ACAMERA_LENS_OPTICAL_STABILIZATION_MODE = // byte (enum) 2031 ACAMERA_LENS_START + 4, 2032 /** 2033 * <p>Direction the camera faces relative to 2034 * device screen.</p> 2035 * 2036 * <p>This tag may appear in:</p> 2037 * <ul> 2038 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2039 * </ul> 2040 * 2041 * <p>None</p> 2042 */ 2043 ACAMERA_LENS_FACING = // byte (enum) 2044 ACAMERA_LENS_START + 5, 2045 /** 2046 * <p>The orientation of the camera relative to the sensor 2047 * coordinate system.</p> 2048 * 2049 * <p>This tag may appear in:</p> 2050 * <ul> 2051 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2052 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2053 * </ul> 2054 * 2055 * <p>The four coefficients that describe the quaternion 2056 * rotation from the Android sensor coordinate system to a 2057 * camera-aligned coordinate system where the X-axis is 2058 * aligned with the long side of the image sensor, the Y-axis 2059 * is aligned with the short side of the image sensor, and 2060 * the Z-axis is aligned with the optical axis of the sensor.</p> 2061 * <p>To convert from the quaternion coefficients <code>(x,y,z,w)</code> 2062 * to the axis of rotation <code>(a_x, a_y, a_z)</code> and rotation 2063 * amount <code>theta</code>, the following formulas can be used:</p> 2064 * <pre><code> theta = 2 * acos(w) 2065 * a_x = x / sin(theta/2) 2066 * a_y = y / sin(theta/2) 2067 * a_z = z / sin(theta/2) 2068 * </code></pre> 2069 * <p>To create a 3x3 rotation matrix that applies the rotation 2070 * defined by this quaternion, the following matrix can be 2071 * used:</p> 2072 * <pre><code>R = [ 1 - 2y^2 - 2z^2, 2xy - 2zw, 2xz + 2yw, 2073 * 2xy + 2zw, 1 - 2x^2 - 2z^2, 2yz - 2xw, 2074 * 2xz - 2yw, 2yz + 2xw, 1 - 2x^2 - 2y^2 ] 2075 * </code></pre> 2076 * <p>This matrix can then be used to apply the rotation to a 2077 * column vector point with</p> 2078 * <p><code>p' = Rp</code></p> 2079 * <p>where <code>p</code> is in the device sensor coordinate system, and 2080 * <code>p'</code> is in the camera-oriented coordinate system.</p> 2081 */ 2082 ACAMERA_LENS_POSE_ROTATION = // float[4] 2083 ACAMERA_LENS_START + 6, 2084 /** 2085 * <p>Position of the camera optical center.</p> 2086 * 2087 * <p>This tag may appear in:</p> 2088 * <ul> 2089 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2090 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2091 * </ul> 2092 * 2093 * <p>The position of the camera device's lens optical center, 2094 * as a three-dimensional vector <code>(x,y,z)</code>, relative to the 2095 * optical center of the largest camera device facing in the 2096 * same direction as this camera, in the 2097 * <a href="https://developer.android.com/reference/android/hardware/SensorEvent.html">Android sensor coordinate axes</a>. 2098 * Note that only the axis definitions are shared with 2099 * the sensor coordinate system, but not the origin.</p> 2100 * <p>If this device is the largest or only camera device with a 2101 * given facing, then this position will be <code>(0, 0, 0)</code>; a 2102 * camera device with a lens optical center located 3 cm from 2103 * the main sensor along the +X axis (to the right from the 2104 * user's perspective) will report <code>(0.03, 0, 0)</code>.</p> 2105 * <p>To transform a pixel coordinates between two cameras 2106 * facing the same direction, first the source camera 2107 * ACAMERA_LENS_RADIAL_DISTORTION must be corrected for. Then 2108 * the source camera ACAMERA_LENS_INTRINSIC_CALIBRATION needs 2109 * to be applied, followed by the ACAMERA_LENS_POSE_ROTATION 2110 * of the source camera, the translation of the source camera 2111 * relative to the destination camera, the 2112 * ACAMERA_LENS_POSE_ROTATION of the destination camera, and 2113 * finally the inverse of ACAMERA_LENS_INTRINSIC_CALIBRATION 2114 * of the destination camera. This obtains a 2115 * radial-distortion-free coordinate in the destination 2116 * camera pixel coordinates.</p> 2117 * <p>To compare this against a real image from the destination 2118 * camera, the destination camera image then needs to be 2119 * corrected for radial distortion before comparison or 2120 * sampling.</p> 2121 * 2122 * @see ACAMERA_LENS_INTRINSIC_CALIBRATION 2123 * @see ACAMERA_LENS_POSE_ROTATION 2124 * @see ACAMERA_LENS_RADIAL_DISTORTION 2125 */ 2126 ACAMERA_LENS_POSE_TRANSLATION = // float[3] 2127 ACAMERA_LENS_START + 7, 2128 /** 2129 * <p>The range of scene distances that are in 2130 * sharp focus (depth of field).</p> 2131 * 2132 * <p>This tag may appear in:</p> 2133 * <ul> 2134 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2135 * </ul> 2136 * 2137 * <p>If variable focus not supported, can still report 2138 * fixed depth of field range</p> 2139 */ 2140 ACAMERA_LENS_FOCUS_RANGE = // float[2] 2141 ACAMERA_LENS_START + 8, 2142 /** 2143 * <p>Current lens status.</p> 2144 * 2145 * <p>This tag may appear in:</p> 2146 * <ul> 2147 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2148 * </ul> 2149 * 2150 * <p>For lens parameters ACAMERA_LENS_FOCAL_LENGTH, ACAMERA_LENS_FOCUS_DISTANCE, 2151 * ACAMERA_LENS_FILTER_DENSITY and ACAMERA_LENS_APERTURE, when changes are requested, 2152 * they may take several frames to reach the requested values. This state indicates 2153 * the current status of the lens parameters.</p> 2154 * <p>When the state is STATIONARY, the lens parameters are not changing. This could be 2155 * either because the parameters are all fixed, or because the lens has had enough 2156 * time to reach the most recently-requested values. 2157 * If all these lens parameters are not changable for a camera device, as listed below:</p> 2158 * <ul> 2159 * <li>Fixed focus (<code>ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE == 0</code>), which means 2160 * ACAMERA_LENS_FOCUS_DISTANCE parameter will always be 0.</li> 2161 * <li>Fixed focal length (ACAMERA_LENS_INFO_AVAILABLE_FOCAL_LENGTHS contains single value), 2162 * which means the optical zoom is not supported.</li> 2163 * <li>No ND filter (ACAMERA_LENS_INFO_AVAILABLE_FILTER_DENSITIES contains only 0).</li> 2164 * <li>Fixed aperture (ACAMERA_LENS_INFO_AVAILABLE_APERTURES contains single value).</li> 2165 * </ul> 2166 * <p>Then this state will always be STATIONARY.</p> 2167 * <p>When the state is MOVING, it indicates that at least one of the lens parameters 2168 * is changing.</p> 2169 * 2170 * @see ACAMERA_LENS_APERTURE 2171 * @see ACAMERA_LENS_FILTER_DENSITY 2172 * @see ACAMERA_LENS_FOCAL_LENGTH 2173 * @see ACAMERA_LENS_FOCUS_DISTANCE 2174 * @see ACAMERA_LENS_INFO_AVAILABLE_APERTURES 2175 * @see ACAMERA_LENS_INFO_AVAILABLE_FILTER_DENSITIES 2176 * @see ACAMERA_LENS_INFO_AVAILABLE_FOCAL_LENGTHS 2177 * @see ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE 2178 */ 2179 ACAMERA_LENS_STATE = // byte (enum) 2180 ACAMERA_LENS_START + 9, 2181 /** 2182 * <p>The parameters for this camera device's intrinsic 2183 * calibration.</p> 2184 * 2185 * <p>This tag may appear in:</p> 2186 * <ul> 2187 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2188 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2189 * </ul> 2190 * 2191 * <p>The five calibration parameters that describe the 2192 * transform from camera-centric 3D coordinates to sensor 2193 * pixel coordinates:</p> 2194 * <pre><code>[f_x, f_y, c_x, c_y, s] 2195 * </code></pre> 2196 * <p>Where <code>f_x</code> and <code>f_y</code> are the horizontal and vertical 2197 * focal lengths, <code>[c_x, c_y]</code> is the position of the optical 2198 * axis, and <code>s</code> is a skew parameter for the sensor plane not 2199 * being aligned with the lens plane.</p> 2200 * <p>These are typically used within a transformation matrix K:</p> 2201 * <pre><code>K = [ f_x, s, c_x, 2202 * 0, f_y, c_y, 2203 * 0 0, 1 ] 2204 * </code></pre> 2205 * <p>which can then be combined with the camera pose rotation 2206 * <code>R</code> and translation <code>t</code> (ACAMERA_LENS_POSE_ROTATION and 2207 * ACAMERA_LENS_POSE_TRANSLATION, respective) to calculate the 2208 * complete transform from world coordinates to pixel 2209 * coordinates:</p> 2210 * <pre><code>P = [ K 0 * [ R t 2211 * 0 1 ] 0 1 ] 2212 * </code></pre> 2213 * <p>and with <code>p_w</code> being a point in the world coordinate system 2214 * and <code>p_s</code> being a point in the camera active pixel array 2215 * coordinate system, and with the mapping including the 2216 * homogeneous division by z:</p> 2217 * <pre><code> p_h = (x_h, y_h, z_h) = P p_w 2218 * p_s = p_h / z_h 2219 * </code></pre> 2220 * <p>so <code>[x_s, y_s]</code> is the pixel coordinates of the world 2221 * point, <code>z_s = 1</code>, and <code>w_s</code> is a measurement of disparity 2222 * (depth) in pixel coordinates.</p> 2223 * <p>Note that the coordinate system for this transform is the 2224 * ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE system, 2225 * where <code>(0,0)</code> is the top-left of the 2226 * preCorrectionActiveArraySize rectangle. Once the pose and 2227 * intrinsic calibration transforms have been applied to a 2228 * world point, then the ACAMERA_LENS_RADIAL_DISTORTION 2229 * transform needs to be applied, and the result adjusted to 2230 * be in the ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE coordinate 2231 * system (where <code>(0, 0)</code> is the top-left of the 2232 * activeArraySize rectangle), to determine the final pixel 2233 * coordinate of the world point for processed (non-RAW) 2234 * output buffers.</p> 2235 * 2236 * @see ACAMERA_LENS_POSE_ROTATION 2237 * @see ACAMERA_LENS_POSE_TRANSLATION 2238 * @see ACAMERA_LENS_RADIAL_DISTORTION 2239 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 2240 * @see ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE 2241 */ 2242 ACAMERA_LENS_INTRINSIC_CALIBRATION = // float[5] 2243 ACAMERA_LENS_START + 10, 2244 /** 2245 * <p>The correction coefficients to correct for this camera device's 2246 * radial and tangential lens distortion.</p> 2247 * 2248 * <p>This tag may appear in:</p> 2249 * <ul> 2250 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2251 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2252 * </ul> 2253 * 2254 * <p>Four radial distortion coefficients <code>[kappa_0, kappa_1, kappa_2, 2255 * kappa_3]</code> and two tangential distortion coefficients 2256 * <code>[kappa_4, kappa_5]</code> that can be used to correct the 2257 * lens's geometric distortion with the mapping equations:</p> 2258 * <pre><code> x_c = x_i * ( kappa_0 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) + 2259 * kappa_4 * (2 * x_i * y_i) + kappa_5 * ( r^2 + 2 * x_i^2 ) 2260 * y_c = y_i * ( kappa_0 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) + 2261 * kappa_5 * (2 * x_i * y_i) + kappa_4 * ( r^2 + 2 * y_i^2 ) 2262 * </code></pre> 2263 * <p>Here, <code>[x_c, y_c]</code> are the coordinates to sample in the 2264 * input image that correspond to the pixel values in the 2265 * corrected image at the coordinate <code>[x_i, y_i]</code>:</p> 2266 * <pre><code> correctedImage(x_i, y_i) = sample_at(x_c, y_c, inputImage) 2267 * </code></pre> 2268 * <p>The pixel coordinates are defined in a normalized 2269 * coordinate system related to the 2270 * ACAMERA_LENS_INTRINSIC_CALIBRATION calibration fields. 2271 * Both <code>[x_i, y_i]</code> and <code>[x_c, y_c]</code> have <code>(0,0)</code> at the 2272 * lens optical center <code>[c_x, c_y]</code>. The maximum magnitudes 2273 * of both x and y coordinates are normalized to be 1 at the 2274 * edge further from the optical center, so the range 2275 * for both dimensions is <code>-1 <= x <= 1</code>.</p> 2276 * <p>Finally, <code>r</code> represents the radial distance from the 2277 * optical center, <code>r^2 = x_i^2 + y_i^2</code>, and its magnitude 2278 * is therefore no larger than <code>|r| <= sqrt(2)</code>.</p> 2279 * <p>The distortion model used is the Brown-Conrady model.</p> 2280 * 2281 * @see ACAMERA_LENS_INTRINSIC_CALIBRATION 2282 */ 2283 ACAMERA_LENS_RADIAL_DISTORTION = // float[6] 2284 ACAMERA_LENS_START + 11, 2285 ACAMERA_LENS_END, 2286 2287 /** 2288 * <p>List of aperture size values for ACAMERA_LENS_APERTURE that are 2289 * supported by this camera device.</p> 2290 * 2291 * @see ACAMERA_LENS_APERTURE 2292 * 2293 * <p>This tag may appear in:</p> 2294 * <ul> 2295 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2296 * </ul> 2297 * 2298 * <p>If the camera device doesn't support a variable lens aperture, 2299 * this list will contain only one value, which is the fixed aperture size.</p> 2300 * <p>If the camera device supports a variable aperture, the aperture values 2301 * in this list will be sorted in ascending order.</p> 2302 */ 2303 ACAMERA_LENS_INFO_AVAILABLE_APERTURES = // float[n] 2304 ACAMERA_LENS_INFO_START, 2305 /** 2306 * <p>List of neutral density filter values for 2307 * ACAMERA_LENS_FILTER_DENSITY that are supported by this camera device.</p> 2308 * 2309 * @see ACAMERA_LENS_FILTER_DENSITY 2310 * 2311 * <p>This tag may appear in:</p> 2312 * <ul> 2313 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2314 * </ul> 2315 * 2316 * <p>If a neutral density filter is not supported by this camera device, 2317 * this list will contain only 0. Otherwise, this list will include every 2318 * filter density supported by the camera device, in ascending order.</p> 2319 */ 2320 ACAMERA_LENS_INFO_AVAILABLE_FILTER_DENSITIES = // float[n] 2321 ACAMERA_LENS_INFO_START + 1, 2322 /** 2323 * <p>List of focal lengths for ACAMERA_LENS_FOCAL_LENGTH that are supported by this camera 2324 * device.</p> 2325 * 2326 * @see ACAMERA_LENS_FOCAL_LENGTH 2327 * 2328 * <p>This tag may appear in:</p> 2329 * <ul> 2330 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2331 * </ul> 2332 * 2333 * <p>If optical zoom is not supported, this list will only contain 2334 * a single value corresponding to the fixed focal length of the 2335 * device. Otherwise, this list will include every focal length supported 2336 * by the camera device, in ascending order.</p> 2337 */ 2338 ACAMERA_LENS_INFO_AVAILABLE_FOCAL_LENGTHS = // float[n] 2339 ACAMERA_LENS_INFO_START + 2, 2340 /** 2341 * <p>List of optical image stabilization (OIS) modes for 2342 * ACAMERA_LENS_OPTICAL_STABILIZATION_MODE that are supported by this camera device.</p> 2343 * 2344 * @see ACAMERA_LENS_OPTICAL_STABILIZATION_MODE 2345 * 2346 * <p>This tag may appear in:</p> 2347 * <ul> 2348 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2349 * </ul> 2350 * 2351 * <p>If OIS is not supported by a given camera device, this list will 2352 * contain only OFF.</p> 2353 */ 2354 ACAMERA_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION = // byte[n] 2355 ACAMERA_LENS_INFO_START + 3, 2356 /** 2357 * <p>Hyperfocal distance for this lens.</p> 2358 * 2359 * <p>This tag may appear in:</p> 2360 * <ul> 2361 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2362 * </ul> 2363 * 2364 * <p>If the lens is not fixed focus, the camera device will report this 2365 * field when ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION is APPROXIMATE or CALIBRATED.</p> 2366 * 2367 * @see ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION 2368 */ 2369 ACAMERA_LENS_INFO_HYPERFOCAL_DISTANCE = // float 2370 ACAMERA_LENS_INFO_START + 4, 2371 /** 2372 * <p>Shortest distance from frontmost surface 2373 * of the lens that can be brought into sharp focus.</p> 2374 * 2375 * <p>This tag may appear in:</p> 2376 * <ul> 2377 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2378 * </ul> 2379 * 2380 * <p>If the lens is fixed-focus, this will be 2381 * 0.</p> 2382 */ 2383 ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE = // float 2384 ACAMERA_LENS_INFO_START + 5, 2385 /** 2386 * <p>Dimensions of lens shading map.</p> 2387 * 2388 * <p>This tag may appear in:</p> 2389 * <ul> 2390 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2391 * </ul> 2392 * 2393 * <p>The map should be on the order of 30-40 rows and columns, and 2394 * must be smaller than 64x64.</p> 2395 */ 2396 ACAMERA_LENS_INFO_SHADING_MAP_SIZE = // int32[2] 2397 ACAMERA_LENS_INFO_START + 6, 2398 /** 2399 * <p>The lens focus distance calibration quality.</p> 2400 * 2401 * <p>This tag may appear in:</p> 2402 * <ul> 2403 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2404 * </ul> 2405 * 2406 * <p>The lens focus distance calibration quality determines the reliability of 2407 * focus related metadata entries, i.e. ACAMERA_LENS_FOCUS_DISTANCE, 2408 * ACAMERA_LENS_FOCUS_RANGE, ACAMERA_LENS_INFO_HYPERFOCAL_DISTANCE, and 2409 * ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE.</p> 2410 * <p>APPROXIMATE and CALIBRATED devices report the focus metadata in 2411 * units of diopters (1/meter), so <code>0.0f</code> represents focusing at infinity, 2412 * and increasing positive numbers represent focusing closer and closer 2413 * to the camera device. The focus distance control also uses diopters 2414 * on these devices.</p> 2415 * <p>UNCALIBRATED devices do not use units that are directly comparable 2416 * to any real physical measurement, but <code>0.0f</code> still represents farthest 2417 * focus, and ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE represents the 2418 * nearest focus the device can achieve.</p> 2419 * 2420 * @see ACAMERA_LENS_FOCUS_DISTANCE 2421 * @see ACAMERA_LENS_FOCUS_RANGE 2422 * @see ACAMERA_LENS_INFO_HYPERFOCAL_DISTANCE 2423 * @see ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE 2424 */ 2425 ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION = // byte (enum) 2426 ACAMERA_LENS_INFO_START + 7, 2427 ACAMERA_LENS_INFO_END, 2428 2429 /** 2430 * <p>Mode of operation for the noise reduction algorithm.</p> 2431 * 2432 * <p>This tag may appear in:</p> 2433 * <ul> 2434 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2435 * <li>ACaptureRequest</li> 2436 * </ul> 2437 * 2438 * <p>The noise reduction algorithm attempts to improve image quality by removing 2439 * excessive noise added by the capture process, especially in dark conditions.</p> 2440 * <p>OFF means no noise reduction will be applied by the camera device, for both raw and 2441 * YUV domain.</p> 2442 * <p>MINIMAL means that only sensor raw domain basic noise reduction is enabled ,to remove 2443 * demosaicing or other processing artifacts. For YUV_REPROCESSING, MINIMAL is same as OFF. 2444 * This mode is optional, may not be support by all devices. The application should check 2445 * ACAMERA_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES before using it.</p> 2446 * <p>FAST/HIGH_QUALITY both mean camera device determined noise filtering 2447 * will be applied. HIGH_QUALITY mode indicates that the camera device 2448 * will use the highest-quality noise filtering algorithms, 2449 * even if it slows down capture rate. FAST means the camera device will not 2450 * slow down capture rate when applying noise filtering. FAST may be the same as MINIMAL if 2451 * MINIMAL is listed, or the same as OFF if any noise filtering will slow down capture rate. 2452 * Every output stream will have a similar amount of enhancement applied.</p> 2453 * <p>ZERO_SHUTTER_LAG is meant to be used by applications that maintain a continuous circular 2454 * buffer of high-resolution images during preview and reprocess image(s) from that buffer 2455 * into a final capture when triggered by the user. In this mode, the camera device applies 2456 * noise reduction to low-resolution streams (below maximum recording resolution) to maximize 2457 * preview quality, but does not apply noise reduction to high-resolution streams, since 2458 * those will be reprocessed later if necessary.</p> 2459 * <p>For YUV_REPROCESSING, these FAST/HIGH_QUALITY modes both mean that the camera device 2460 * will apply FAST/HIGH_QUALITY YUV domain noise reduction, respectively. The camera device 2461 * may adjust the noise reduction parameters for best image quality based on the 2462 * android.reprocess.effectiveExposureFactor if it is set.</p> 2463 * 2464 * @see ACAMERA_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES 2465 */ 2466 ACAMERA_NOISE_REDUCTION_MODE = // byte (enum) 2467 ACAMERA_NOISE_REDUCTION_START, 2468 /** 2469 * <p>List of noise reduction modes for ACAMERA_NOISE_REDUCTION_MODE that are supported 2470 * by this camera device.</p> 2471 * 2472 * @see ACAMERA_NOISE_REDUCTION_MODE 2473 * 2474 * <p>This tag may appear in:</p> 2475 * <ul> 2476 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2477 * </ul> 2478 * 2479 * <p>Full-capability camera devices will always support OFF and FAST.</p> 2480 * <p>Camera devices that support YUV_REPROCESSING or PRIVATE_REPROCESSING will support 2481 * ZERO_SHUTTER_LAG.</p> 2482 * <p>Legacy-capability camera devices will only support FAST mode.</p> 2483 */ 2484 ACAMERA_NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES = // byte[n] 2485 ACAMERA_NOISE_REDUCTION_START + 2, 2486 ACAMERA_NOISE_REDUCTION_END, 2487 2488 /** 2489 * <p>The maximum numbers of different types of output streams 2490 * that can be configured and used simultaneously by a camera device.</p> 2491 * 2492 * <p>This tag may appear in:</p> 2493 * <ul> 2494 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2495 * </ul> 2496 * 2497 * <p>This is a 3 element tuple that contains the max number of output simultaneous 2498 * streams for raw sensor, processed (but not stalling), and processed (and stalling) 2499 * formats respectively. For example, assuming that JPEG is typically a processed and 2500 * stalling stream, if max raw sensor format output stream number is 1, max YUV streams 2501 * number is 3, and max JPEG stream number is 2, then this tuple should be <code>(1, 3, 2)</code>.</p> 2502 * <p>This lists the upper bound of the number of output streams supported by 2503 * the camera device. Using more streams simultaneously may require more hardware and 2504 * CPU resources that will consume more power. The image format for an output stream can 2505 * be any supported format provided by ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS. 2506 * The formats defined in ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS can be catergorized 2507 * into the 3 stream types as below:</p> 2508 * <ul> 2509 * <li>Processed (but stalling): any non-RAW format with a stallDurations > 0. 2510 * Typically {@link AIMAGE_FORMAT_JPEG} format.</li> 2511 * <li>Raw formats: {@link AIMAGE_FORMAT_RAW16}, {@link AIMAGE_FORMAT_RAW10}, or 2512 * {@link AIMAGE_FORMAT_RAW12}.</li> 2513 * <li>Processed (but not-stalling): any non-RAW format without a stall duration. 2514 * Typically {@link AIMAGE_FORMAT_YUV_420_888}.</li> 2515 * </ul> 2516 * 2517 * @see ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS 2518 */ 2519 ACAMERA_REQUEST_MAX_NUM_OUTPUT_STREAMS = // int32[3] 2520 ACAMERA_REQUEST_START + 6, 2521 /** 2522 * <p>Specifies the number of pipeline stages the frame went 2523 * through from when it was exposed to when the final completed result 2524 * was available to the framework.</p> 2525 * 2526 * <p>This tag may appear in:</p> 2527 * <ul> 2528 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2529 * </ul> 2530 * 2531 * <p>Depending on what settings are used in the request, and 2532 * what streams are configured, the data may undergo less processing, 2533 * and some pipeline stages skipped.</p> 2534 * <p>See ACAMERA_REQUEST_PIPELINE_MAX_DEPTH for more details.</p> 2535 * 2536 * @see ACAMERA_REQUEST_PIPELINE_MAX_DEPTH 2537 */ 2538 ACAMERA_REQUEST_PIPELINE_DEPTH = // byte 2539 ACAMERA_REQUEST_START + 9, 2540 /** 2541 * <p>Specifies the number of maximum pipeline stages a frame 2542 * has to go through from when it's exposed to when it's available 2543 * to the framework.</p> 2544 * 2545 * <p>This tag may appear in:</p> 2546 * <ul> 2547 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2548 * </ul> 2549 * 2550 * <p>A typical minimum value for this is 2 (one stage to expose, 2551 * one stage to readout) from the sensor. The ISP then usually adds 2552 * its own stages to do custom HW processing. Further stages may be 2553 * added by SW processing.</p> 2554 * <p>Depending on what settings are used (e.g. YUV, JPEG) and what 2555 * processing is enabled (e.g. face detection), the actual pipeline 2556 * depth (specified by ACAMERA_REQUEST_PIPELINE_DEPTH) may be less than 2557 * the max pipeline depth.</p> 2558 * <p>A pipeline depth of X stages is equivalent to a pipeline latency of 2559 * X frame intervals.</p> 2560 * <p>This value will normally be 8 or less, however, for high speed capture session, 2561 * the max pipeline depth will be up to 8 x size of high speed capture request list.</p> 2562 * 2563 * @see ACAMERA_REQUEST_PIPELINE_DEPTH 2564 */ 2565 ACAMERA_REQUEST_PIPELINE_MAX_DEPTH = // byte 2566 ACAMERA_REQUEST_START + 10, 2567 /** 2568 * <p>Defines how many sub-components 2569 * a result will be composed of.</p> 2570 * 2571 * <p>This tag may appear in:</p> 2572 * <ul> 2573 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2574 * </ul> 2575 * 2576 * <p>In order to combat the pipeline latency, partial results 2577 * may be delivered to the application layer from the camera device as 2578 * soon as they are available.</p> 2579 * <p>Optional; defaults to 1. A value of 1 means that partial 2580 * results are not supported, and only the final TotalCaptureResult will 2581 * be produced by the camera device.</p> 2582 * <p>A typical use case for this might be: after requesting an 2583 * auto-focus (AF) lock the new AF state might be available 50% 2584 * of the way through the pipeline. The camera device could 2585 * then immediately dispatch this state via a partial result to 2586 * the application, and the rest of the metadata via later 2587 * partial results.</p> 2588 */ 2589 ACAMERA_REQUEST_PARTIAL_RESULT_COUNT = // int32 2590 ACAMERA_REQUEST_START + 11, 2591 /** 2592 * <p>List of capabilities that this camera device 2593 * advertises as fully supporting.</p> 2594 * 2595 * <p>This tag may appear in:</p> 2596 * <ul> 2597 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2598 * </ul> 2599 * 2600 * <p>A capability is a contract that the camera device makes in order 2601 * to be able to satisfy one or more use cases.</p> 2602 * <p>Listing a capability guarantees that the whole set of features 2603 * required to support a common use will all be available.</p> 2604 * <p>Using a subset of the functionality provided by an unsupported 2605 * capability may be possible on a specific camera device implementation; 2606 * to do this query each of ACAMERA_REQUEST_AVAILABLE_REQUEST_KEYS, 2607 * ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS, 2608 * ACAMERA_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS.</p> 2609 * <p>The following capabilities are guaranteed to be available on 2610 * ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL <code>==</code> FULL devices:</p> 2611 * <ul> 2612 * <li>MANUAL_SENSOR</li> 2613 * <li>MANUAL_POST_PROCESSING</li> 2614 * </ul> 2615 * <p>Other capabilities may be available on either FULL or LIMITED 2616 * devices, but the application should query this key to be sure.</p> 2617 * 2618 * @see ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL 2619 * @see ACAMERA_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS 2620 * @see ACAMERA_REQUEST_AVAILABLE_REQUEST_KEYS 2621 * @see ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS 2622 */ 2623 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES = // byte[n] (enum) 2624 ACAMERA_REQUEST_START + 12, 2625 /** 2626 * <p>A list of all keys that the camera device has available 2627 * to use with {@link ACaptureRequest}.</p> 2628 * 2629 * <p>This tag may appear in:</p> 2630 * <ul> 2631 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2632 * </ul> 2633 * 2634 * <p>Attempting to set a key into a CaptureRequest that is not 2635 * listed here will result in an invalid request and will be rejected 2636 * by the camera device.</p> 2637 * <p>This field can be used to query the feature set of a camera device 2638 * at a more granular level than capabilities. This is especially 2639 * important for optional keys that are not listed under any capability 2640 * in ACAMERA_REQUEST_AVAILABLE_CAPABILITIES.</p> 2641 * 2642 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 2643 */ 2644 ACAMERA_REQUEST_AVAILABLE_REQUEST_KEYS = // int32[n] 2645 ACAMERA_REQUEST_START + 13, 2646 /** 2647 * <p>A list of all keys that the camera device has available 2648 * to query with {@link ACameraMetadata} from 2649 * {@link ACameraCaptureSession_captureCallback_result}.</p> 2650 * 2651 * <p>This tag may appear in:</p> 2652 * <ul> 2653 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2654 * </ul> 2655 * 2656 * <p>Attempting to get a key from a CaptureResult that is not 2657 * listed here will always return a <code>null</code> value. Getting a key from 2658 * a CaptureResult that is listed here will generally never return a <code>null</code> 2659 * value.</p> 2660 * <p>The following keys may return <code>null</code> unless they are enabled:</p> 2661 * <ul> 2662 * <li>ACAMERA_STATISTICS_LENS_SHADING_MAP (non-null iff ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE == ON)</li> 2663 * </ul> 2664 * <p>(Those sometimes-null keys will nevertheless be listed here 2665 * if they are available.)</p> 2666 * <p>This field can be used to query the feature set of a camera device 2667 * at a more granular level than capabilities. This is especially 2668 * important for optional keys that are not listed under any capability 2669 * in ACAMERA_REQUEST_AVAILABLE_CAPABILITIES.</p> 2670 * 2671 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 2672 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP 2673 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE 2674 */ 2675 ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS = // int32[n] 2676 ACAMERA_REQUEST_START + 14, 2677 /** 2678 * <p>A list of all keys that the camera device has available 2679 * to query with {@link ACameraMetadata} from 2680 * {@link ACameraManager_getCameraCharacteristics}.</p> 2681 * 2682 * <p>This tag may appear in:</p> 2683 * <ul> 2684 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2685 * </ul> 2686 * 2687 * <p>This entry follows the same rules as 2688 * ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS (except that it applies for 2689 * CameraCharacteristics instead of CaptureResult). See above for more 2690 * details.</p> 2691 * 2692 * @see ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS 2693 */ 2694 ACAMERA_REQUEST_AVAILABLE_CHARACTERISTICS_KEYS = // int32[n] 2695 ACAMERA_REQUEST_START + 15, 2696 ACAMERA_REQUEST_END, 2697 2698 /** 2699 * <p>The desired region of the sensor to read out for this capture.</p> 2700 * 2701 * <p>This tag may appear in:</p> 2702 * <ul> 2703 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2704 * <li>ACaptureRequest</li> 2705 * </ul> 2706 * 2707 * <p>This control can be used to implement digital zoom.</p> 2708 * <p>The data representation is int[4], which maps to (left, top, width, height).</p> 2709 * <p>The crop region coordinate system is based off 2710 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE, with <code>(0, 0)</code> being the 2711 * top-left corner of the sensor active array.</p> 2712 * <p>Output streams use this rectangle to produce their output, 2713 * cropping to a smaller region if necessary to maintain the 2714 * stream's aspect ratio, then scaling the sensor input to 2715 * match the output's configured resolution.</p> 2716 * <p>The crop region is applied after the RAW to other color 2717 * space (e.g. YUV) conversion. Since raw streams 2718 * (e.g. RAW16) don't have the conversion stage, they are not 2719 * croppable. The crop region will be ignored by raw streams.</p> 2720 * <p>For non-raw streams, any additional per-stream cropping will 2721 * be done to maximize the final pixel area of the stream.</p> 2722 * <p>For example, if the crop region is set to a 4:3 aspect 2723 * ratio, then 4:3 streams will use the exact crop 2724 * region. 16:9 streams will further crop vertically 2725 * (letterbox).</p> 2726 * <p>Conversely, if the crop region is set to a 16:9, then 4:3 2727 * outputs will crop horizontally (pillarbox), and 16:9 2728 * streams will match exactly. These additional crops will 2729 * be centered within the crop region.</p> 2730 * <p>The width and height of the crop region cannot 2731 * be set to be smaller than 2732 * <code>floor( activeArraySize.width / ACAMERA_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM )</code> and 2733 * <code>floor( activeArraySize.height / ACAMERA_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM )</code>, respectively.</p> 2734 * <p>The camera device may adjust the crop region to account 2735 * for rounding and other hardware requirements; the final 2736 * crop region used will be included in the output capture 2737 * result.</p> 2738 * 2739 * @see ACAMERA_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM 2740 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 2741 */ 2742 ACAMERA_SCALER_CROP_REGION = // int32[4] 2743 ACAMERA_SCALER_START, 2744 /** 2745 * <p>The maximum ratio between both active area width 2746 * and crop region width, and active area height and 2747 * crop region height, for ACAMERA_SCALER_CROP_REGION.</p> 2748 * 2749 * @see ACAMERA_SCALER_CROP_REGION 2750 * 2751 * <p>This tag may appear in:</p> 2752 * <ul> 2753 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2754 * </ul> 2755 * 2756 * <p>This represents the maximum amount of zooming possible by 2757 * the camera device, or equivalently, the minimum cropping 2758 * window size.</p> 2759 * <p>Crop regions that have a width or height that is smaller 2760 * than this ratio allows will be rounded up to the minimum 2761 * allowed size by the camera device.</p> 2762 */ 2763 ACAMERA_SCALER_AVAILABLE_MAX_DIGITAL_ZOOM = // float 2764 ACAMERA_SCALER_START + 4, 2765 /** 2766 * <p>The available stream configurations that this 2767 * camera device supports 2768 * (i.e. format, width, height, output/input stream).</p> 2769 * 2770 * <p>This tag may appear in:</p> 2771 * <ul> 2772 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2773 * </ul> 2774 * 2775 * <p>The configurations are listed as <code>(format, width, height, input?)</code> 2776 * tuples.</p> 2777 * <p>For a given use case, the actual maximum supported resolution 2778 * may be lower than what is listed here, depending on the destination 2779 * Surface for the image data. For example, for recording video, 2780 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 2781 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 2782 * can provide.</p> 2783 * <p>Please reference the documentation for the image data destination to 2784 * check if it limits the maximum size for image data.</p> 2785 * <p>Not all output formats may be supported in a configuration with 2786 * an input stream of a particular format. For more details, see 2787 * android.scaler.availableInputOutputFormatsMap.</p> 2788 * <p>The following table describes the minimum required output stream 2789 * configurations based on the hardware level 2790 * (ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL):</p> 2791 * <p>Format | Size | Hardware Level | Notes 2792 * :-------------:|:--------------------------------------------:|:--------------:|:--------------: 2793 * JPEG | ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE | Any | 2794 * JPEG | 1920x1080 (1080p) | Any | if 1080p <= activeArraySize 2795 * JPEG | 1280x720 (720) | Any | if 720p <= activeArraySize 2796 * JPEG | 640x480 (480p) | Any | if 480p <= activeArraySize 2797 * JPEG | 320x240 (240p) | Any | if 240p <= activeArraySize 2798 * YUV_420_888 | all output sizes available for JPEG | FULL | 2799 * YUV_420_888 | all output sizes available for JPEG, up to the maximum video size | LIMITED | 2800 * IMPLEMENTATION_DEFINED | same as YUV_420_888 | Any |</p> 2801 * <p>Refer to ACAMERA_REQUEST_AVAILABLE_CAPABILITIES for additional 2802 * mandatory stream configurations on a per-capability basis.</p> 2803 * 2804 * @see ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL 2805 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 2806 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 2807 */ 2808 ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS = // int32[n*4] (enum) 2809 ACAMERA_SCALER_START + 10, 2810 /** 2811 * <p>This lists the minimum frame duration for each 2812 * format/size combination.</p> 2813 * 2814 * <p>This tag may appear in:</p> 2815 * <ul> 2816 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2817 * </ul> 2818 * 2819 * <p>This should correspond to the frame duration when only that 2820 * stream is active, with all processing (typically in android.*.mode) 2821 * set to either OFF or FAST.</p> 2822 * <p>When multiple streams are used in a request, the minimum frame 2823 * duration will be max(individual stream min durations).</p> 2824 * <p>The minimum frame duration of a stream (of a particular format, size) 2825 * is the same regardless of whether the stream is input or output.</p> 2826 * <p>See ACAMERA_SENSOR_FRAME_DURATION and 2827 * ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS for more details about 2828 * calculating the max frame rate.</p> 2829 * 2830 * @see ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS 2831 * @see ACAMERA_SENSOR_FRAME_DURATION 2832 */ 2833 ACAMERA_SCALER_AVAILABLE_MIN_FRAME_DURATIONS = // int64[4*n] 2834 ACAMERA_SCALER_START + 11, 2835 /** 2836 * <p>This lists the maximum stall duration for each 2837 * output format/size combination.</p> 2838 * 2839 * <p>This tag may appear in:</p> 2840 * <ul> 2841 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2842 * </ul> 2843 * 2844 * <p>A stall duration is how much extra time would get added 2845 * to the normal minimum frame duration for a repeating request 2846 * that has streams with non-zero stall.</p> 2847 * <p>For example, consider JPEG captures which have the following 2848 * characteristics:</p> 2849 * <ul> 2850 * <li>JPEG streams act like processed YUV streams in requests for which 2851 * they are not included; in requests in which they are directly 2852 * referenced, they act as JPEG streams. This is because supporting a 2853 * JPEG stream requires the underlying YUV data to always be ready for 2854 * use by a JPEG encoder, but the encoder will only be used (and impact 2855 * frame duration) on requests that actually reference a JPEG stream.</li> 2856 * <li>The JPEG processor can run concurrently to the rest of the camera 2857 * pipeline, but cannot process more than 1 capture at a time.</li> 2858 * </ul> 2859 * <p>In other words, using a repeating YUV request would result 2860 * in a steady frame rate (let's say it's 30 FPS). If a single 2861 * JPEG request is submitted periodically, the frame rate will stay 2862 * at 30 FPS (as long as we wait for the previous JPEG to return each 2863 * time). If we try to submit a repeating YUV + JPEG request, then 2864 * the frame rate will drop from 30 FPS.</p> 2865 * <p>In general, submitting a new request with a non-0 stall time 2866 * stream will <em>not</em> cause a frame rate drop unless there are still 2867 * outstanding buffers for that stream from previous requests.</p> 2868 * <p>Submitting a repeating request with streams (call this <code>S</code>) 2869 * is the same as setting the minimum frame duration from 2870 * the normal minimum frame duration corresponding to <code>S</code>, added with 2871 * the maximum stall duration for <code>S</code>.</p> 2872 * <p>If interleaving requests with and without a stall duration, 2873 * a request will stall by the maximum of the remaining times 2874 * for each can-stall stream with outstanding buffers.</p> 2875 * <p>This means that a stalling request will not have an exposure start 2876 * until the stall has completed.</p> 2877 * <p>This should correspond to the stall duration when only that stream is 2878 * active, with all processing (typically in android.*.mode) set to FAST 2879 * or OFF. Setting any of the processing modes to HIGH_QUALITY 2880 * effectively results in an indeterminate stall duration for all 2881 * streams in a request (the regular stall calculation rules are 2882 * ignored).</p> 2883 * <p>The following formats may always have a stall duration:</p> 2884 * <ul> 2885 * <li>{@link AIMAGE_FORMAT_JPEG}</li> 2886 * <li>{@link AIMAGE_FORMAT_RAW16}</li> 2887 * </ul> 2888 * <p>The following formats will never have a stall duration:</p> 2889 * <ul> 2890 * <li>{@link AIMAGE_FORMAT_YUV_420_888}</li> 2891 * <li>{@link AIMAGE_FORMAT_RAW10}</li> 2892 * </ul> 2893 * <p>All other formats may or may not have an allowed stall duration on 2894 * a per-capability basis; refer to ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 2895 * for more details.</p> 2896 * <p>See ACAMERA_SENSOR_FRAME_DURATION for more information about 2897 * calculating the max frame rate (absent stalls).</p> 2898 * 2899 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 2900 * @see ACAMERA_SENSOR_FRAME_DURATION 2901 */ 2902 ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS = // int64[4*n] 2903 ACAMERA_SCALER_START + 12, 2904 /** 2905 * <p>The crop type that this camera device supports.</p> 2906 * 2907 * <p>This tag may appear in:</p> 2908 * <ul> 2909 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 2910 * </ul> 2911 * 2912 * <p>When passing a non-centered crop region (ACAMERA_SCALER_CROP_REGION) to a camera 2913 * device that only supports CENTER_ONLY cropping, the camera device will move the 2914 * crop region to the center of the sensor active array (ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE) 2915 * and keep the crop region width and height unchanged. The camera device will return the 2916 * final used crop region in metadata result ACAMERA_SCALER_CROP_REGION.</p> 2917 * <p>Camera devices that support FREEFORM cropping will support any crop region that 2918 * is inside of the active array. The camera device will apply the same crop region and 2919 * return the final used crop region in capture result metadata ACAMERA_SCALER_CROP_REGION.</p> 2920 * <p>LEGACY capability devices will only support CENTER_ONLY cropping.</p> 2921 * 2922 * @see ACAMERA_SCALER_CROP_REGION 2923 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 2924 */ 2925 ACAMERA_SCALER_CROPPING_TYPE = // byte (enum) 2926 ACAMERA_SCALER_START + 13, 2927 ACAMERA_SCALER_END, 2928 2929 /** 2930 * <p>Duration each pixel is exposed to 2931 * light.</p> 2932 * 2933 * <p>This tag may appear in:</p> 2934 * <ul> 2935 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2936 * <li>ACaptureRequest</li> 2937 * </ul> 2938 * 2939 * <p>If the sensor can't expose this exact duration, it will shorten the 2940 * duration exposed to the nearest possible value (rather than expose longer). 2941 * The final exposure time used will be available in the output capture result.</p> 2942 * <p>This control is only effective if ACAMERA_CONTROL_AE_MODE or ACAMERA_CONTROL_MODE is set to 2943 * OFF; otherwise the auto-exposure algorithm will override this value.</p> 2944 * 2945 * @see ACAMERA_CONTROL_AE_MODE 2946 * @see ACAMERA_CONTROL_MODE 2947 */ 2948 ACAMERA_SENSOR_EXPOSURE_TIME = // int64 2949 ACAMERA_SENSOR_START, 2950 /** 2951 * <p>Duration from start of frame exposure to 2952 * start of next frame exposure.</p> 2953 * 2954 * <p>This tag may appear in:</p> 2955 * <ul> 2956 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 2957 * <li>ACaptureRequest</li> 2958 * </ul> 2959 * 2960 * <p>The maximum frame rate that can be supported by a camera subsystem is 2961 * a function of many factors:</p> 2962 * <ul> 2963 * <li>Requested resolutions of output image streams</li> 2964 * <li>Availability of binning / skipping modes on the imager</li> 2965 * <li>The bandwidth of the imager interface</li> 2966 * <li>The bandwidth of the various ISP processing blocks</li> 2967 * </ul> 2968 * <p>Since these factors can vary greatly between different ISPs and 2969 * sensors, the camera abstraction tries to represent the bandwidth 2970 * restrictions with as simple a model as possible.</p> 2971 * <p>The model presented has the following characteristics:</p> 2972 * <ul> 2973 * <li>The image sensor is always configured to output the smallest 2974 * resolution possible given the application's requested output stream 2975 * sizes. The smallest resolution is defined as being at least as large 2976 * as the largest requested output stream size; the camera pipeline must 2977 * never digitally upsample sensor data when the crop region covers the 2978 * whole sensor. In general, this means that if only small output stream 2979 * resolutions are configured, the sensor can provide a higher frame 2980 * rate.</li> 2981 * <li>Since any request may use any or all the currently configured 2982 * output streams, the sensor and ISP must be configured to support 2983 * scaling a single capture to all the streams at the same time. This 2984 * means the camera pipeline must be ready to produce the largest 2985 * requested output size without any delay. Therefore, the overall 2986 * frame rate of a given configured stream set is governed only by the 2987 * largest requested stream resolution.</li> 2988 * <li>Using more than one output stream in a request does not affect the 2989 * frame duration.</li> 2990 * <li>Certain format-streams may need to do additional background processing 2991 * before data is consumed/produced by that stream. These processors 2992 * can run concurrently to the rest of the camera pipeline, but 2993 * cannot process more than 1 capture at a time.</li> 2994 * </ul> 2995 * <p>The necessary information for the application, given the model above, 2996 * is provided via 2997 * {@link ACAMERA_SCALER_AVAILABLE_MIN_FRAME_DURATIONS}. 2998 * These are used to determine the maximum frame rate / minimum frame 2999 * duration that is possible for a given stream configuration.</p> 3000 * <p>Specifically, the application can use the following rules to 3001 * determine the minimum frame duration it can request from the camera 3002 * device:</p> 3003 * <ol> 3004 * <li>Let the set of currently configured input/output streams 3005 * be called <code>S</code>.</li> 3006 * <li>Find the minimum frame durations for each stream in <code>S</code>, by looking 3007 * it up in {@link ACAMERA_SCALER_AVAILABLE_MIN_FRAME_DURATIONS} 3008 * (with its respective size/format). Let this set of frame durations be 3009 * called <code>F</code>.</li> 3010 * <li>For any given request <code>R</code>, the minimum frame duration allowed 3011 * for <code>R</code> is the maximum out of all values in <code>F</code>. Let the streams 3012 * used in <code>R</code> be called <code>S_r</code>.</li> 3013 * </ol> 3014 * <p>If none of the streams in <code>S_r</code> have a stall time (listed in {@link 3015 * ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS} 3016 * using its respective size/format), then the frame duration in <code>F</code> 3017 * determines the steady state frame rate that the application will get 3018 * if it uses <code>R</code> as a repeating request. Let this special kind of 3019 * request be called <code>Rsimple</code>.</p> 3020 * <p>A repeating request <code>Rsimple</code> can be <em>occasionally</em> interleaved 3021 * by a single capture of a new request <code>Rstall</code> (which has at least 3022 * one in-use stream with a non-0 stall time) and if <code>Rstall</code> has the 3023 * same minimum frame duration this will not cause a frame rate loss 3024 * if all buffers from the previous <code>Rstall</code> have already been 3025 * delivered.</p> 3026 * <p>For more details about stalling, see 3027 * {@link ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS}.</p> 3028 * <p>This control is only effective if ACAMERA_CONTROL_AE_MODE or ACAMERA_CONTROL_MODE is set to 3029 * OFF; otherwise the auto-exposure algorithm will override this value.</p> 3030 * 3031 * @see ACAMERA_CONTROL_AE_MODE 3032 * @see ACAMERA_CONTROL_MODE 3033 */ 3034 ACAMERA_SENSOR_FRAME_DURATION = // int64 3035 ACAMERA_SENSOR_START + 1, 3036 /** 3037 * <p>The amount of gain applied to sensor data 3038 * before processing.</p> 3039 * 3040 * <p>This tag may appear in:</p> 3041 * <ul> 3042 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3043 * <li>ACaptureRequest</li> 3044 * </ul> 3045 * 3046 * <p>The sensitivity is the standard ISO sensitivity value, 3047 * as defined in ISO 12232:2006.</p> 3048 * <p>The sensitivity must be within ACAMERA_SENSOR_INFO_SENSITIVITY_RANGE, and 3049 * if if it less than ACAMERA_SENSOR_MAX_ANALOG_SENSITIVITY, the camera device 3050 * is guaranteed to use only analog amplification for applying the gain.</p> 3051 * <p>If the camera device cannot apply the exact sensitivity 3052 * requested, it will reduce the gain to the nearest supported 3053 * value. The final sensitivity used will be available in the 3054 * output capture result.</p> 3055 * <p>This control is only effective if ACAMERA_CONTROL_AE_MODE or ACAMERA_CONTROL_MODE is set to 3056 * OFF; otherwise the auto-exposure algorithm will override this value.</p> 3057 * 3058 * @see ACAMERA_CONTROL_AE_MODE 3059 * @see ACAMERA_CONTROL_MODE 3060 * @see ACAMERA_SENSOR_INFO_SENSITIVITY_RANGE 3061 * @see ACAMERA_SENSOR_MAX_ANALOG_SENSITIVITY 3062 */ 3063 ACAMERA_SENSOR_SENSITIVITY = // int32 3064 ACAMERA_SENSOR_START + 2, 3065 /** 3066 * <p>The standard reference illuminant used as the scene light source when 3067 * calculating the ACAMERA_SENSOR_COLOR_TRANSFORM1, 3068 * ACAMERA_SENSOR_CALIBRATION_TRANSFORM1, and 3069 * ACAMERA_SENSOR_FORWARD_MATRIX1 matrices.</p> 3070 * 3071 * @see ACAMERA_SENSOR_CALIBRATION_TRANSFORM1 3072 * @see ACAMERA_SENSOR_COLOR_TRANSFORM1 3073 * @see ACAMERA_SENSOR_FORWARD_MATRIX1 3074 * 3075 * <p>This tag may appear in:</p> 3076 * <ul> 3077 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3078 * </ul> 3079 * 3080 * <p>The values in this key correspond to the values defined for the 3081 * EXIF LightSource tag. These illuminants are standard light sources 3082 * that are often used calibrating camera devices.</p> 3083 * <p>If this key is present, then ACAMERA_SENSOR_COLOR_TRANSFORM1, 3084 * ACAMERA_SENSOR_CALIBRATION_TRANSFORM1, and 3085 * ACAMERA_SENSOR_FORWARD_MATRIX1 will also be present.</p> 3086 * <p>Some devices may choose to provide a second set of calibration 3087 * information for improved quality, including 3088 * ACAMERA_SENSOR_REFERENCE_ILLUMINANT2 and its corresponding matrices.</p> 3089 * 3090 * @see ACAMERA_SENSOR_CALIBRATION_TRANSFORM1 3091 * @see ACAMERA_SENSOR_COLOR_TRANSFORM1 3092 * @see ACAMERA_SENSOR_FORWARD_MATRIX1 3093 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT2 3094 */ 3095 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1 = // byte (enum) 3096 ACAMERA_SENSOR_START + 3, 3097 /** 3098 * <p>The standard reference illuminant used as the scene light source when 3099 * calculating the ACAMERA_SENSOR_COLOR_TRANSFORM2, 3100 * ACAMERA_SENSOR_CALIBRATION_TRANSFORM2, and 3101 * ACAMERA_SENSOR_FORWARD_MATRIX2 matrices.</p> 3102 * 3103 * @see ACAMERA_SENSOR_CALIBRATION_TRANSFORM2 3104 * @see ACAMERA_SENSOR_COLOR_TRANSFORM2 3105 * @see ACAMERA_SENSOR_FORWARD_MATRIX2 3106 * 3107 * <p>This tag may appear in:</p> 3108 * <ul> 3109 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3110 * </ul> 3111 * 3112 * <p>See ACAMERA_SENSOR_REFERENCE_ILLUMINANT1 for more details.</p> 3113 * <p>If this key is present, then ACAMERA_SENSOR_COLOR_TRANSFORM2, 3114 * ACAMERA_SENSOR_CALIBRATION_TRANSFORM2, and 3115 * ACAMERA_SENSOR_FORWARD_MATRIX2 will also be present.</p> 3116 * 3117 * @see ACAMERA_SENSOR_CALIBRATION_TRANSFORM2 3118 * @see ACAMERA_SENSOR_COLOR_TRANSFORM2 3119 * @see ACAMERA_SENSOR_FORWARD_MATRIX2 3120 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT1 3121 */ 3122 ACAMERA_SENSOR_REFERENCE_ILLUMINANT2 = // byte 3123 ACAMERA_SENSOR_START + 4, 3124 /** 3125 * <p>A per-device calibration transform matrix that maps from the 3126 * reference sensor colorspace to the actual device sensor colorspace.</p> 3127 * 3128 * <p>This tag may appear in:</p> 3129 * <ul> 3130 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3131 * </ul> 3132 * 3133 * <p>This matrix is used to correct for per-device variations in the 3134 * sensor colorspace, and is used for processing raw buffer data.</p> 3135 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 3136 * contains a per-device calibration transform that maps colors 3137 * from reference sensor color space (i.e. the "golden module" 3138 * colorspace) into this camera device's native sensor color 3139 * space under the first reference illuminant 3140 * (ACAMERA_SENSOR_REFERENCE_ILLUMINANT1).</p> 3141 * 3142 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT1 3143 */ 3144 ACAMERA_SENSOR_CALIBRATION_TRANSFORM1 = // rational[3*3] 3145 ACAMERA_SENSOR_START + 5, 3146 /** 3147 * <p>A per-device calibration transform matrix that maps from the 3148 * reference sensor colorspace to the actual device sensor colorspace 3149 * (this is the colorspace of the raw buffer data).</p> 3150 * 3151 * <p>This tag may appear in:</p> 3152 * <ul> 3153 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3154 * </ul> 3155 * 3156 * <p>This matrix is used to correct for per-device variations in the 3157 * sensor colorspace, and is used for processing raw buffer data.</p> 3158 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 3159 * contains a per-device calibration transform that maps colors 3160 * from reference sensor color space (i.e. the "golden module" 3161 * colorspace) into this camera device's native sensor color 3162 * space under the second reference illuminant 3163 * (ACAMERA_SENSOR_REFERENCE_ILLUMINANT2).</p> 3164 * <p>This matrix will only be present if the second reference 3165 * illuminant is present.</p> 3166 * 3167 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT2 3168 */ 3169 ACAMERA_SENSOR_CALIBRATION_TRANSFORM2 = // rational[3*3] 3170 ACAMERA_SENSOR_START + 6, 3171 /** 3172 * <p>A matrix that transforms color values from CIE XYZ color space to 3173 * reference sensor color space.</p> 3174 * 3175 * <p>This tag may appear in:</p> 3176 * <ul> 3177 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3178 * </ul> 3179 * 3180 * <p>This matrix is used to convert from the standard CIE XYZ color 3181 * space to the reference sensor colorspace, and is used when processing 3182 * raw buffer data.</p> 3183 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 3184 * contains a color transform matrix that maps colors from the CIE 3185 * XYZ color space to the reference sensor color space (i.e. the 3186 * "golden module" colorspace) under the first reference illuminant 3187 * (ACAMERA_SENSOR_REFERENCE_ILLUMINANT1).</p> 3188 * <p>The white points chosen in both the reference sensor color space 3189 * and the CIE XYZ colorspace when calculating this transform will 3190 * match the standard white point for the first reference illuminant 3191 * (i.e. no chromatic adaptation will be applied by this transform).</p> 3192 * 3193 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT1 3194 */ 3195 ACAMERA_SENSOR_COLOR_TRANSFORM1 = // rational[3*3] 3196 ACAMERA_SENSOR_START + 7, 3197 /** 3198 * <p>A matrix that transforms color values from CIE XYZ color space to 3199 * reference sensor color space.</p> 3200 * 3201 * <p>This tag may appear in:</p> 3202 * <ul> 3203 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3204 * </ul> 3205 * 3206 * <p>This matrix is used to convert from the standard CIE XYZ color 3207 * space to the reference sensor colorspace, and is used when processing 3208 * raw buffer data.</p> 3209 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 3210 * contains a color transform matrix that maps colors from the CIE 3211 * XYZ color space to the reference sensor color space (i.e. the 3212 * "golden module" colorspace) under the second reference illuminant 3213 * (ACAMERA_SENSOR_REFERENCE_ILLUMINANT2).</p> 3214 * <p>The white points chosen in both the reference sensor color space 3215 * and the CIE XYZ colorspace when calculating this transform will 3216 * match the standard white point for the second reference illuminant 3217 * (i.e. no chromatic adaptation will be applied by this transform).</p> 3218 * <p>This matrix will only be present if the second reference 3219 * illuminant is present.</p> 3220 * 3221 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT2 3222 */ 3223 ACAMERA_SENSOR_COLOR_TRANSFORM2 = // rational[3*3] 3224 ACAMERA_SENSOR_START + 8, 3225 /** 3226 * <p>A matrix that transforms white balanced camera colors from the reference 3227 * sensor colorspace to the CIE XYZ colorspace with a D50 whitepoint.</p> 3228 * 3229 * <p>This tag may appear in:</p> 3230 * <ul> 3231 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3232 * </ul> 3233 * 3234 * <p>This matrix is used to convert to the standard CIE XYZ colorspace, and 3235 * is used when processing raw buffer data.</p> 3236 * <p>This matrix is expressed as a 3x3 matrix in row-major-order, and contains 3237 * a color transform matrix that maps white balanced colors from the 3238 * reference sensor color space to the CIE XYZ color space with a D50 white 3239 * point.</p> 3240 * <p>Under the first reference illuminant (ACAMERA_SENSOR_REFERENCE_ILLUMINANT1) 3241 * this matrix is chosen so that the standard white point for this reference 3242 * illuminant in the reference sensor colorspace is mapped to D50 in the 3243 * CIE XYZ colorspace.</p> 3244 * 3245 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT1 3246 */ 3247 ACAMERA_SENSOR_FORWARD_MATRIX1 = // rational[3*3] 3248 ACAMERA_SENSOR_START + 9, 3249 /** 3250 * <p>A matrix that transforms white balanced camera colors from the reference 3251 * sensor colorspace to the CIE XYZ colorspace with a D50 whitepoint.</p> 3252 * 3253 * <p>This tag may appear in:</p> 3254 * <ul> 3255 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3256 * </ul> 3257 * 3258 * <p>This matrix is used to convert to the standard CIE XYZ colorspace, and 3259 * is used when processing raw buffer data.</p> 3260 * <p>This matrix is expressed as a 3x3 matrix in row-major-order, and contains 3261 * a color transform matrix that maps white balanced colors from the 3262 * reference sensor color space to the CIE XYZ color space with a D50 white 3263 * point.</p> 3264 * <p>Under the second reference illuminant (ACAMERA_SENSOR_REFERENCE_ILLUMINANT2) 3265 * this matrix is chosen so that the standard white point for this reference 3266 * illuminant in the reference sensor colorspace is mapped to D50 in the 3267 * CIE XYZ colorspace.</p> 3268 * <p>This matrix will only be present if the second reference 3269 * illuminant is present.</p> 3270 * 3271 * @see ACAMERA_SENSOR_REFERENCE_ILLUMINANT2 3272 */ 3273 ACAMERA_SENSOR_FORWARD_MATRIX2 = // rational[3*3] 3274 ACAMERA_SENSOR_START + 10, 3275 /** 3276 * <p>A fixed black level offset for each of the color filter arrangement 3277 * (CFA) mosaic channels.</p> 3278 * 3279 * <p>This tag may appear in:</p> 3280 * <ul> 3281 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3282 * </ul> 3283 * 3284 * <p>This key specifies the zero light value for each of the CFA mosaic 3285 * channels in the camera sensor. The maximal value output by the 3286 * sensor is represented by the value in ACAMERA_SENSOR_INFO_WHITE_LEVEL.</p> 3287 * <p>The values are given in the same order as channels listed for the CFA 3288 * layout key (see ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT), i.e. the 3289 * nth value given corresponds to the black level offset for the nth 3290 * color channel listed in the CFA.</p> 3291 * <p>The black level values of captured images may vary for different 3292 * capture settings (e.g., ACAMERA_SENSOR_SENSITIVITY). This key 3293 * represents a coarse approximation for such case. It is recommended to 3294 * use ACAMERA_SENSOR_DYNAMIC_BLACK_LEVEL or use pixels from 3295 * ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS directly for captures when 3296 * supported by the camera device, which provides more accurate black 3297 * level values. For raw capture in particular, it is recommended to use 3298 * pixels from ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS to calculate black 3299 * level values for each frame.</p> 3300 * 3301 * @see ACAMERA_SENSOR_DYNAMIC_BLACK_LEVEL 3302 * @see ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT 3303 * @see ACAMERA_SENSOR_INFO_WHITE_LEVEL 3304 * @see ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS 3305 * @see ACAMERA_SENSOR_SENSITIVITY 3306 */ 3307 ACAMERA_SENSOR_BLACK_LEVEL_PATTERN = // int32[4] 3308 ACAMERA_SENSOR_START + 12, 3309 /** 3310 * <p>Maximum sensitivity that is implemented 3311 * purely through analog gain.</p> 3312 * 3313 * <p>This tag may appear in:</p> 3314 * <ul> 3315 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3316 * </ul> 3317 * 3318 * <p>For ACAMERA_SENSOR_SENSITIVITY values less than or 3319 * equal to this, all applied gain must be analog. For 3320 * values above this, the gain applied can be a mix of analog and 3321 * digital.</p> 3322 * 3323 * @see ACAMERA_SENSOR_SENSITIVITY 3324 */ 3325 ACAMERA_SENSOR_MAX_ANALOG_SENSITIVITY = // int32 3326 ACAMERA_SENSOR_START + 13, 3327 /** 3328 * <p>Clockwise angle through which the output image needs to be rotated to be 3329 * upright on the device screen in its native orientation.</p> 3330 * 3331 * <p>This tag may appear in:</p> 3332 * <ul> 3333 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3334 * </ul> 3335 * 3336 * <p>Also defines the direction of rolling shutter readout, which is from top to bottom in 3337 * the sensor's coordinate system.</p> 3338 */ 3339 ACAMERA_SENSOR_ORIENTATION = // int32 3340 ACAMERA_SENSOR_START + 14, 3341 /** 3342 * <p>Time at start of exposure of first 3343 * row of the image sensor active array, in nanoseconds.</p> 3344 * 3345 * <p>This tag may appear in:</p> 3346 * <ul> 3347 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3348 * </ul> 3349 * 3350 * <p>The timestamps are also included in all image 3351 * buffers produced for the same capture, and will be identical 3352 * on all the outputs.</p> 3353 * <p>When ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE <code>==</code> UNKNOWN, 3354 * the timestamps measure time since an unspecified starting point, 3355 * and are monotonically increasing. They can be compared with the 3356 * timestamps for other captures from the same camera device, but are 3357 * not guaranteed to be comparable to any other time source.</p> 3358 * <p>When ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE <code>==</code> REALTIME, the 3359 * timestamps measure time in the same timebase as 3360 * <a href="https://developer.android.com/reference/android/os/SystemClock.html#elapsedRealtimeNanos">elapsedRealtimeNanos</a> 3361 * (or CLOCK_BOOTTIME), and they can 3362 * be compared to other timestamps from other subsystems that 3363 * are using that base.</p> 3364 * <p>For reprocessing, the timestamp will match the start of exposure of 3365 * the input image, i.e. {@link CaptureResult#SENSOR_TIMESTAMP the 3366 * timestamp} in the TotalCaptureResult that was used to create the 3367 * reprocess capture request.</p> 3368 * 3369 * @see ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE 3370 */ 3371 ACAMERA_SENSOR_TIMESTAMP = // int64 3372 ACAMERA_SENSOR_START + 16, 3373 /** 3374 * <p>The estimated camera neutral color in the native sensor colorspace at 3375 * the time of capture.</p> 3376 * 3377 * <p>This tag may appear in:</p> 3378 * <ul> 3379 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3380 * </ul> 3381 * 3382 * <p>This value gives the neutral color point encoded as an RGB value in the 3383 * native sensor color space. The neutral color point indicates the 3384 * currently estimated white point of the scene illumination. It can be 3385 * used to interpolate between the provided color transforms when 3386 * processing raw sensor data.</p> 3387 * <p>The order of the values is R, G, B; where R is in the lowest index.</p> 3388 */ 3389 ACAMERA_SENSOR_NEUTRAL_COLOR_POINT = // rational[3] 3390 ACAMERA_SENSOR_START + 18, 3391 /** 3392 * <p>Noise model coefficients for each CFA mosaic channel.</p> 3393 * 3394 * <p>This tag may appear in:</p> 3395 * <ul> 3396 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3397 * </ul> 3398 * 3399 * <p>This key contains two noise model coefficients for each CFA channel 3400 * corresponding to the sensor amplification (S) and sensor readout 3401 * noise (O). These are given as pairs of coefficients for each channel 3402 * in the same order as channels listed for the CFA layout key 3403 * (see ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT). This is 3404 * represented as an array of Pair<Double, Double>, where 3405 * the first member of the Pair at index n is the S coefficient and the 3406 * second member is the O coefficient for the nth color channel in the CFA.</p> 3407 * <p>These coefficients are used in a two parameter noise model to describe 3408 * the amount of noise present in the image for each CFA channel. The 3409 * noise model used here is:</p> 3410 * <p>N(x) = sqrt(Sx + O)</p> 3411 * <p>Where x represents the recorded signal of a CFA channel normalized to 3412 * the range [0, 1], and S and O are the noise model coeffiecients for 3413 * that channel.</p> 3414 * <p>A more detailed description of the noise model can be found in the 3415 * Adobe DNG specification for the NoiseProfile tag.</p> 3416 * 3417 * @see ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT 3418 */ 3419 ACAMERA_SENSOR_NOISE_PROFILE = // double[2*CFA Channels] 3420 ACAMERA_SENSOR_START + 19, 3421 /** 3422 * <p>The worst-case divergence between Bayer green channels.</p> 3423 * 3424 * <p>This tag may appear in:</p> 3425 * <ul> 3426 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3427 * </ul> 3428 * 3429 * <p>This value is an estimate of the worst case split between the 3430 * Bayer green channels in the red and blue rows in the sensor color 3431 * filter array.</p> 3432 * <p>The green split is calculated as follows:</p> 3433 * <ol> 3434 * <li>A 5x5 pixel (or larger) window W within the active sensor array is 3435 * chosen. The term 'pixel' here is taken to mean a group of 4 Bayer 3436 * mosaic channels (R, Gr, Gb, B). The location and size of the window 3437 * chosen is implementation defined, and should be chosen to provide a 3438 * green split estimate that is both representative of the entire image 3439 * for this camera sensor, and can be calculated quickly.</li> 3440 * <li>The arithmetic mean of the green channels from the red 3441 * rows (mean_Gr) within W is computed.</li> 3442 * <li>The arithmetic mean of the green channels from the blue 3443 * rows (mean_Gb) within W is computed.</li> 3444 * <li>The maximum ratio R of the two means is computed as follows: 3445 * <code>R = max((mean_Gr + 1)/(mean_Gb + 1), (mean_Gb + 1)/(mean_Gr + 1))</code></li> 3446 * </ol> 3447 * <p>The ratio R is the green split divergence reported for this property, 3448 * which represents how much the green channels differ in the mosaic 3449 * pattern. This value is typically used to determine the treatment of 3450 * the green mosaic channels when demosaicing.</p> 3451 * <p>The green split value can be roughly interpreted as follows:</p> 3452 * <ul> 3453 * <li>R < 1.03 is a negligible split (<3% divergence).</li> 3454 * <li>1.20 <= R >= 1.03 will require some software 3455 * correction to avoid demosaic errors (3-20% divergence).</li> 3456 * <li>R > 1.20 will require strong software correction to produce 3457 * a usuable image (>20% divergence).</li> 3458 * </ul> 3459 */ 3460 ACAMERA_SENSOR_GREEN_SPLIT = // float 3461 ACAMERA_SENSOR_START + 22, 3462 /** 3463 * <p>A pixel <code>[R, G_even, G_odd, B]</code> that supplies the test pattern 3464 * when ACAMERA_SENSOR_TEST_PATTERN_MODE is SOLID_COLOR.</p> 3465 * 3466 * @see ACAMERA_SENSOR_TEST_PATTERN_MODE 3467 * 3468 * <p>This tag may appear in:</p> 3469 * <ul> 3470 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3471 * <li>ACaptureRequest</li> 3472 * </ul> 3473 * 3474 * <p>Each color channel is treated as an unsigned 32-bit integer. 3475 * The camera device then uses the most significant X bits 3476 * that correspond to how many bits are in its Bayer raw sensor 3477 * output.</p> 3478 * <p>For example, a sensor with RAW10 Bayer output would use the 3479 * 10 most significant bits from each color channel.</p> 3480 */ 3481 ACAMERA_SENSOR_TEST_PATTERN_DATA = // int32[4] 3482 ACAMERA_SENSOR_START + 23, 3483 /** 3484 * <p>When enabled, the sensor sends a test pattern instead of 3485 * doing a real exposure from the camera.</p> 3486 * 3487 * <p>This tag may appear in:</p> 3488 * <ul> 3489 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3490 * <li>ACaptureRequest</li> 3491 * </ul> 3492 * 3493 * <p>When a test pattern is enabled, all manual sensor controls specified 3494 * by ACAMERA_SENSOR_* will be ignored. All other controls should 3495 * work as normal.</p> 3496 * <p>For example, if manual flash is enabled, flash firing should still 3497 * occur (and that the test pattern remain unmodified, since the flash 3498 * would not actually affect it).</p> 3499 * <p>Defaults to OFF.</p> 3500 */ 3501 ACAMERA_SENSOR_TEST_PATTERN_MODE = // int32 (enum) 3502 ACAMERA_SENSOR_START + 24, 3503 /** 3504 * <p>List of sensor test pattern modes for ACAMERA_SENSOR_TEST_PATTERN_MODE 3505 * supported by this camera device.</p> 3506 * 3507 * @see ACAMERA_SENSOR_TEST_PATTERN_MODE 3508 * 3509 * <p>This tag may appear in:</p> 3510 * <ul> 3511 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3512 * </ul> 3513 * 3514 * <p>Defaults to OFF, and always includes OFF if defined.</p> 3515 */ 3516 ACAMERA_SENSOR_AVAILABLE_TEST_PATTERN_MODES = // int32[n] 3517 ACAMERA_SENSOR_START + 25, 3518 /** 3519 * <p>Duration between the start of first row exposure 3520 * and the start of last row exposure.</p> 3521 * 3522 * <p>This tag may appear in:</p> 3523 * <ul> 3524 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3525 * </ul> 3526 * 3527 * <p>This is the exposure time skew between the first and last 3528 * row exposure start times. The first row and the last row are 3529 * the first and last rows inside of the 3530 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.</p> 3531 * <p>For typical camera sensors that use rolling shutters, this is also equivalent 3532 * to the frame readout time.</p> 3533 * 3534 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 3535 */ 3536 ACAMERA_SENSOR_ROLLING_SHUTTER_SKEW = // int64 3537 ACAMERA_SENSOR_START + 26, 3538 /** 3539 * <p>List of disjoint rectangles indicating the sensor 3540 * optically shielded black pixel regions.</p> 3541 * 3542 * <p>This tag may appear in:</p> 3543 * <ul> 3544 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3545 * </ul> 3546 * 3547 * <p>In most camera sensors, the active array is surrounded by some 3548 * optically shielded pixel areas. By blocking light, these pixels 3549 * provides a reliable black reference for black level compensation 3550 * in active array region.</p> 3551 * <p>The data representation is int[4], which maps to (left, top, width, height).</p> 3552 * <p>This key provides a list of disjoint rectangles specifying the 3553 * regions of optically shielded (with metal shield) black pixel 3554 * regions if the camera device is capable of reading out these black 3555 * pixels in the output raw images. In comparison to the fixed black 3556 * level values reported by ACAMERA_SENSOR_BLACK_LEVEL_PATTERN, this key 3557 * may provide a more accurate way for the application to calculate 3558 * black level of each captured raw images.</p> 3559 * <p>When this key is reported, the ACAMERA_SENSOR_DYNAMIC_BLACK_LEVEL and 3560 * ACAMERA_SENSOR_DYNAMIC_WHITE_LEVEL will also be reported.</p> 3561 * 3562 * @see ACAMERA_SENSOR_BLACK_LEVEL_PATTERN 3563 * @see ACAMERA_SENSOR_DYNAMIC_BLACK_LEVEL 3564 * @see ACAMERA_SENSOR_DYNAMIC_WHITE_LEVEL 3565 */ 3566 ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS = // int32[4*num_regions] 3567 ACAMERA_SENSOR_START + 27, 3568 /** 3569 * <p>A per-frame dynamic black level offset for each of the color filter 3570 * arrangement (CFA) mosaic channels.</p> 3571 * 3572 * <p>This tag may appear in:</p> 3573 * <ul> 3574 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3575 * </ul> 3576 * 3577 * <p>Camera sensor black levels may vary dramatically for different 3578 * capture settings (e.g. ACAMERA_SENSOR_SENSITIVITY). The fixed black 3579 * level reported by ACAMERA_SENSOR_BLACK_LEVEL_PATTERN may be too 3580 * inaccurate to represent the actual value on a per-frame basis. The 3581 * camera device internal pipeline relies on reliable black level values 3582 * to process the raw images appropriately. To get the best image 3583 * quality, the camera device may choose to estimate the per frame black 3584 * level values either based on optically shielded black regions 3585 * (ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS) or its internal model.</p> 3586 * <p>This key reports the camera device estimated per-frame zero light 3587 * value for each of the CFA mosaic channels in the camera sensor. The 3588 * ACAMERA_SENSOR_BLACK_LEVEL_PATTERN may only represent a coarse 3589 * approximation of the actual black level values. This value is the 3590 * black level used in camera device internal image processing pipeline 3591 * and generally more accurate than the fixed black level values. 3592 * However, since they are estimated values by the camera device, they 3593 * may not be as accurate as the black level values calculated from the 3594 * optical black pixels reported by ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS.</p> 3595 * <p>The values are given in the same order as channels listed for the CFA 3596 * layout key (see ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT), i.e. the 3597 * nth value given corresponds to the black level offset for the nth 3598 * color channel listed in the CFA.</p> 3599 * <p>This key will be available if ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS is 3600 * available or the camera device advertises this key via 3601 * {@link ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS}.</p> 3602 * 3603 * @see ACAMERA_SENSOR_BLACK_LEVEL_PATTERN 3604 * @see ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT 3605 * @see ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS 3606 * @see ACAMERA_SENSOR_SENSITIVITY 3607 */ 3608 ACAMERA_SENSOR_DYNAMIC_BLACK_LEVEL = // float[4] 3609 ACAMERA_SENSOR_START + 28, 3610 /** 3611 * <p>Maximum raw value output by sensor for this frame.</p> 3612 * 3613 * <p>This tag may appear in:</p> 3614 * <ul> 3615 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3616 * </ul> 3617 * 3618 * <p>Since the ACAMERA_SENSOR_BLACK_LEVEL_PATTERN may change for different 3619 * capture settings (e.g., ACAMERA_SENSOR_SENSITIVITY), the white 3620 * level will change accordingly. This key is similar to 3621 * ACAMERA_SENSOR_INFO_WHITE_LEVEL, but specifies the camera device 3622 * estimated white level for each frame.</p> 3623 * <p>This key will be available if ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS is 3624 * available or the camera device advertises this key via 3625 * {@link ACAMERA_REQUEST_AVAILABLE_RESULT_KEYS}.</p> 3626 * 3627 * @see ACAMERA_SENSOR_BLACK_LEVEL_PATTERN 3628 * @see ACAMERA_SENSOR_INFO_WHITE_LEVEL 3629 * @see ACAMERA_SENSOR_OPTICAL_BLACK_REGIONS 3630 * @see ACAMERA_SENSOR_SENSITIVITY 3631 */ 3632 ACAMERA_SENSOR_DYNAMIC_WHITE_LEVEL = // int32 3633 ACAMERA_SENSOR_START + 29, 3634 ACAMERA_SENSOR_END, 3635 3636 /** 3637 * <p>The area of the image sensor which corresponds to active pixels after any geometric 3638 * distortion correction has been applied.</p> 3639 * 3640 * <p>This tag may appear in:</p> 3641 * <ul> 3642 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3643 * </ul> 3644 * 3645 * <p>This is the rectangle representing the size of the active region of the sensor (i.e. 3646 * the region that actually receives light from the scene) after any geometric correction 3647 * has been applied, and should be treated as the maximum size in pixels of any of the 3648 * image output formats aside from the raw formats.</p> 3649 * <p>This rectangle is defined relative to the full pixel array; (0,0) is the top-left of 3650 * the full pixel array, and the size of the full pixel array is given by 3651 * ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE.</p> 3652 * <p>The data representation is int[4], which maps to (left, top, width, height).</p> 3653 * <p>The coordinate system for most other keys that list pixel coordinates, including 3654 * ACAMERA_SCALER_CROP_REGION, is defined relative to the active array rectangle given in 3655 * this field, with <code>(0, 0)</code> being the top-left of this rectangle.</p> 3656 * <p>The active array may be smaller than the full pixel array, since the full array may 3657 * include black calibration pixels or other inactive regions, and geometric correction 3658 * resulting in scaling or cropping may have been applied.</p> 3659 * 3660 * @see ACAMERA_SCALER_CROP_REGION 3661 * @see ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE 3662 */ 3663 ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE = // int32[4] 3664 ACAMERA_SENSOR_INFO_START, 3665 /** 3666 * <p>Range of sensitivities for ACAMERA_SENSOR_SENSITIVITY supported by this 3667 * camera device.</p> 3668 * 3669 * @see ACAMERA_SENSOR_SENSITIVITY 3670 * 3671 * <p>This tag may appear in:</p> 3672 * <ul> 3673 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3674 * </ul> 3675 * 3676 * <p>The values are the standard ISO sensitivity values, 3677 * as defined in ISO 12232:2006.</p> 3678 */ 3679 ACAMERA_SENSOR_INFO_SENSITIVITY_RANGE = // int32[2] 3680 ACAMERA_SENSOR_INFO_START + 1, 3681 /** 3682 * <p>The arrangement of color filters on sensor; 3683 * represents the colors in the top-left 2x2 section of 3684 * the sensor, in reading order.</p> 3685 * 3686 * <p>This tag may appear in:</p> 3687 * <ul> 3688 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3689 * </ul> 3690 * 3691 * <p>None</p> 3692 */ 3693 ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT = // byte (enum) 3694 ACAMERA_SENSOR_INFO_START + 2, 3695 /** 3696 * <p>The range of image exposure times for ACAMERA_SENSOR_EXPOSURE_TIME supported 3697 * by this camera device.</p> 3698 * 3699 * @see ACAMERA_SENSOR_EXPOSURE_TIME 3700 * 3701 * <p>This tag may appear in:</p> 3702 * <ul> 3703 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3704 * </ul> 3705 * 3706 * <p>None</p> 3707 */ 3708 ACAMERA_SENSOR_INFO_EXPOSURE_TIME_RANGE = // int64[2] 3709 ACAMERA_SENSOR_INFO_START + 3, 3710 /** 3711 * <p>The maximum possible frame duration (minimum frame rate) for 3712 * ACAMERA_SENSOR_FRAME_DURATION that is supported this camera device.</p> 3713 * 3714 * @see ACAMERA_SENSOR_FRAME_DURATION 3715 * 3716 * <p>This tag may appear in:</p> 3717 * <ul> 3718 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3719 * </ul> 3720 * 3721 * <p>Attempting to use frame durations beyond the maximum will result in the frame 3722 * duration being clipped to the maximum. See that control for a full definition of frame 3723 * durations.</p> 3724 * <p>Refer to {@link 3725 * ACAMERA_SCALER_AVAILABLE_MIN_FRAME_DURATIONS} 3726 * for the minimum frame duration values.</p> 3727 */ 3728 ACAMERA_SENSOR_INFO_MAX_FRAME_DURATION = // int64 3729 ACAMERA_SENSOR_INFO_START + 4, 3730 /** 3731 * <p>The physical dimensions of the full pixel 3732 * array.</p> 3733 * 3734 * <p>This tag may appear in:</p> 3735 * <ul> 3736 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3737 * </ul> 3738 * 3739 * <p>This is the physical size of the sensor pixel 3740 * array defined by ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE.</p> 3741 * 3742 * @see ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE 3743 */ 3744 ACAMERA_SENSOR_INFO_PHYSICAL_SIZE = // float[2] 3745 ACAMERA_SENSOR_INFO_START + 5, 3746 /** 3747 * <p>Dimensions of the full pixel array, possibly 3748 * including black calibration pixels.</p> 3749 * 3750 * <p>This tag may appear in:</p> 3751 * <ul> 3752 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3753 * </ul> 3754 * 3755 * <p>The pixel count of the full pixel array of the image sensor, which covers 3756 * ACAMERA_SENSOR_INFO_PHYSICAL_SIZE area. This represents the full pixel dimensions of 3757 * the raw buffers produced by this sensor.</p> 3758 * <p>If a camera device supports raw sensor formats, either this or 3759 * ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE is the maximum dimensions for the raw 3760 * output formats listed in ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS (this depends on 3761 * whether or not the image sensor returns buffers containing pixels that are not 3762 * part of the active array region for blacklevel calibration or other purposes).</p> 3763 * <p>Some parts of the full pixel array may not receive light from the scene, 3764 * or be otherwise inactive. The ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE key 3765 * defines the rectangle of active pixels that will be included in processed image 3766 * formats.</p> 3767 * 3768 * @see ACAMERA_SENSOR_INFO_PHYSICAL_SIZE 3769 * @see ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE 3770 */ 3771 ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE = // int32[2] 3772 ACAMERA_SENSOR_INFO_START + 6, 3773 /** 3774 * <p>Maximum raw value output by sensor.</p> 3775 * 3776 * <p>This tag may appear in:</p> 3777 * <ul> 3778 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3779 * </ul> 3780 * 3781 * <p>This specifies the fully-saturated encoding level for the raw 3782 * sample values from the sensor. This is typically caused by the 3783 * sensor becoming highly non-linear or clipping. The minimum for 3784 * each channel is specified by the offset in the 3785 * ACAMERA_SENSOR_BLACK_LEVEL_PATTERN key.</p> 3786 * <p>The white level is typically determined either by sensor bit depth 3787 * (8-14 bits is expected), or by the point where the sensor response 3788 * becomes too non-linear to be useful. The default value for this is 3789 * maximum representable value for a 16-bit raw sample (2^16 - 1).</p> 3790 * <p>The white level values of captured images may vary for different 3791 * capture settings (e.g., ACAMERA_SENSOR_SENSITIVITY). This key 3792 * represents a coarse approximation for such case. It is recommended 3793 * to use ACAMERA_SENSOR_DYNAMIC_WHITE_LEVEL for captures when supported 3794 * by the camera device, which provides more accurate white level values.</p> 3795 * 3796 * @see ACAMERA_SENSOR_BLACK_LEVEL_PATTERN 3797 * @see ACAMERA_SENSOR_DYNAMIC_WHITE_LEVEL 3798 * @see ACAMERA_SENSOR_SENSITIVITY 3799 */ 3800 ACAMERA_SENSOR_INFO_WHITE_LEVEL = // int32 3801 ACAMERA_SENSOR_INFO_START + 7, 3802 /** 3803 * <p>The time base source for sensor capture start timestamps.</p> 3804 * 3805 * <p>This tag may appear in:</p> 3806 * <ul> 3807 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3808 * </ul> 3809 * 3810 * <p>The timestamps provided for captures are always in nanoseconds and monotonic, but 3811 * may not based on a time source that can be compared to other system time sources.</p> 3812 * <p>This characteristic defines the source for the timestamps, and therefore whether they 3813 * can be compared against other system time sources/timestamps.</p> 3814 */ 3815 ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE = // byte (enum) 3816 ACAMERA_SENSOR_INFO_START + 8, 3817 /** 3818 * <p>Whether the RAW images output from this camera device are subject to 3819 * lens shading correction.</p> 3820 * 3821 * <p>This tag may appear in:</p> 3822 * <ul> 3823 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3824 * </ul> 3825 * 3826 * <p>If TRUE, all images produced by the camera device in the RAW image formats will 3827 * have lens shading correction already applied to it. If FALSE, the images will 3828 * not be adjusted for lens shading correction. 3829 * See android.request.maxNumOutputRaw for a list of RAW image formats.</p> 3830 * <p>This key will be <code>null</code> for all devices do not report this information. 3831 * Devices with RAW capability will always report this information in this key.</p> 3832 */ 3833 ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED = // byte (enum) 3834 ACAMERA_SENSOR_INFO_START + 9, 3835 /** 3836 * <p>The area of the image sensor which corresponds to active pixels prior to the 3837 * application of any geometric distortion correction.</p> 3838 * 3839 * <p>This tag may appear in:</p> 3840 * <ul> 3841 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3842 * </ul> 3843 * 3844 * <p>The data representation is int[4], which maps to (left, top, width, height).</p> 3845 * <p>This is the rectangle representing the size of the active region of the sensor (i.e. 3846 * the region that actually receives light from the scene) before any geometric correction 3847 * has been applied, and should be treated as the active region rectangle for any of the 3848 * raw formats. All metadata associated with raw processing (e.g. the lens shading 3849 * correction map, and radial distortion fields) treats the top, left of this rectangle as 3850 * the origin, (0,0).</p> 3851 * <p>The size of this region determines the maximum field of view and the maximum number of 3852 * pixels that an image from this sensor can contain, prior to the application of 3853 * geometric distortion correction. The effective maximum pixel dimensions of a 3854 * post-distortion-corrected image is given by the ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 3855 * field, and the effective maximum field of view for a post-distortion-corrected image 3856 * can be calculated by applying the geometric distortion correction fields to this 3857 * rectangle, and cropping to the rectangle given in ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.</p> 3858 * <p>E.g. to calculate position of a pixel, (x,y), in a processed YUV output image with the 3859 * dimensions in ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE given the position of a pixel, 3860 * (x', y'), in the raw pixel array with dimensions give in 3861 * ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE:</p> 3862 * <ol> 3863 * <li>Choose a pixel (x', y') within the active array region of the raw buffer given in 3864 * ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE, otherwise this pixel is considered 3865 * to be outside of the FOV, and will not be shown in the processed output image.</li> 3866 * <li>Apply geometric distortion correction to get the post-distortion pixel coordinate, 3867 * (x_i, y_i). When applying geometric correction metadata, note that metadata for raw 3868 * buffers is defined relative to the top, left of the 3869 * ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE rectangle.</li> 3870 * <li>If the resulting corrected pixel coordinate is within the region given in 3871 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE, then the position of this pixel in the 3872 * processed output image buffer is <code>(x_i - activeArray.left, y_i - activeArray.top)</code>, 3873 * when the top, left coordinate of that buffer is treated as (0, 0).</li> 3874 * </ol> 3875 * <p>Thus, for pixel x',y' = (25, 25) on a sensor where ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE 3876 * is (100,100), ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE is (10, 10, 100, 100), 3877 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE is (20, 20, 80, 80), and the geometric distortion 3878 * correction doesn't change the pixel coordinate, the resulting pixel selected in 3879 * pixel coordinates would be x,y = (25, 25) relative to the top,left of the raw buffer 3880 * with dimensions given in ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE, and would be (5, 5) 3881 * relative to the top,left of post-processed YUV output buffer with dimensions given in 3882 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.</p> 3883 * <p>The currently supported fields that correct for geometric distortion are:</p> 3884 * <ol> 3885 * <li>ACAMERA_LENS_RADIAL_DISTORTION.</li> 3886 * </ol> 3887 * <p>If all of the geometric distortion fields are no-ops, this rectangle will be the same 3888 * as the post-distortion-corrected rectangle given in 3889 * ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.</p> 3890 * <p>This rectangle is defined relative to the full pixel array; (0,0) is the top-left of 3891 * the full pixel array, and the size of the full pixel array is given by 3892 * ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE.</p> 3893 * <p>The pre-correction active array may be smaller than the full pixel array, since the 3894 * full array may include black calibration pixels or other inactive regions.</p> 3895 * 3896 * @see ACAMERA_LENS_RADIAL_DISTORTION 3897 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 3898 * @see ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE 3899 * @see ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE 3900 */ 3901 ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE = // int32[4] 3902 ACAMERA_SENSOR_INFO_START + 10, 3903 ACAMERA_SENSOR_INFO_END, 3904 3905 /** 3906 * <p>Quality of lens shading correction applied 3907 * to the image data.</p> 3908 * 3909 * <p>This tag may appear in:</p> 3910 * <ul> 3911 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3912 * <li>ACaptureRequest</li> 3913 * </ul> 3914 * 3915 * <p>When set to OFF mode, no lens shading correction will be applied by the 3916 * camera device, and an identity lens shading map data will be provided 3917 * if <code>ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE == ON</code>. For example, for lens 3918 * shading map with size of <code>[ 4, 3 ]</code>, 3919 * the output android.statistics.lensShadingCorrectionMap for this case will be an identity 3920 * map shown below:</p> 3921 * <pre><code>[ 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 3922 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 3923 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 3924 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 3925 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 3926 * 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0 ] 3927 * </code></pre> 3928 * <p>When set to other modes, lens shading correction will be applied by the camera 3929 * device. Applications can request lens shading map data by setting 3930 * ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE to ON, and then the camera device will provide lens 3931 * shading map data in android.statistics.lensShadingCorrectionMap; the returned shading map 3932 * data will be the one applied by the camera device for this capture request.</p> 3933 * <p>The shading map data may depend on the auto-exposure (AE) and AWB statistics, therefore 3934 * the reliability of the map data may be affected by the AE and AWB algorithms. When AE and 3935 * AWB are in AUTO modes(ACAMERA_CONTROL_AE_MODE <code>!=</code> OFF and ACAMERA_CONTROL_AWB_MODE <code>!=</code> 3936 * OFF), to get best results, it is recommended that the applications wait for the AE and AWB 3937 * to be converged before using the returned shading map data.</p> 3938 * 3939 * @see ACAMERA_CONTROL_AE_MODE 3940 * @see ACAMERA_CONTROL_AWB_MODE 3941 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE 3942 */ 3943 ACAMERA_SHADING_MODE = // byte (enum) 3944 ACAMERA_SHADING_START, 3945 /** 3946 * <p>List of lens shading modes for ACAMERA_SHADING_MODE that are supported by this camera device.</p> 3947 * 3948 * @see ACAMERA_SHADING_MODE 3949 * 3950 * <p>This tag may appear in:</p> 3951 * <ul> 3952 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 3953 * </ul> 3954 * 3955 * <p>This list contains lens shading modes that can be set for the camera device. 3956 * Camera devices that support the MANUAL_POST_PROCESSING capability will always 3957 * list OFF and FAST mode. This includes all FULL level devices. 3958 * LEGACY devices will always only support FAST mode.</p> 3959 */ 3960 ACAMERA_SHADING_AVAILABLE_MODES = // byte[n] 3961 ACAMERA_SHADING_START + 2, 3962 ACAMERA_SHADING_END, 3963 3964 /** 3965 * <p>Operating mode for the face detector 3966 * unit.</p> 3967 * 3968 * <p>This tag may appear in:</p> 3969 * <ul> 3970 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3971 * <li>ACaptureRequest</li> 3972 * </ul> 3973 * 3974 * <p>Whether face detection is enabled, and whether it 3975 * should output just the basic fields or the full set of 3976 * fields.</p> 3977 */ 3978 ACAMERA_STATISTICS_FACE_DETECT_MODE = // byte (enum) 3979 ACAMERA_STATISTICS_START, 3980 /** 3981 * <p>Operating mode for hot pixel map generation.</p> 3982 * 3983 * <p>This tag may appear in:</p> 3984 * <ul> 3985 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 3986 * <li>ACaptureRequest</li> 3987 * </ul> 3988 * 3989 * <p>If set to <code>true</code>, a hot pixel map is returned in ACAMERA_STATISTICS_HOT_PIXEL_MAP. 3990 * If set to <code>false</code>, no hot pixel map will be returned.</p> 3991 * 3992 * @see ACAMERA_STATISTICS_HOT_PIXEL_MAP 3993 */ 3994 ACAMERA_STATISTICS_HOT_PIXEL_MAP_MODE = // byte (enum) 3995 ACAMERA_STATISTICS_START + 3, 3996 /** 3997 * <p>List of unique IDs for detected faces.</p> 3998 * 3999 * <p>This tag may appear in:</p> 4000 * <ul> 4001 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4002 * </ul> 4003 * 4004 * <p>Each detected face is given a unique ID that is valid for as long as the face is visible 4005 * to the camera device. A face that leaves the field of view and later returns may be 4006 * assigned a new ID.</p> 4007 * <p>Only available if ACAMERA_STATISTICS_FACE_DETECT_MODE == FULL</p> 4008 * 4009 * @see ACAMERA_STATISTICS_FACE_DETECT_MODE 4010 */ 4011 ACAMERA_STATISTICS_FACE_IDS = // int32[n] 4012 ACAMERA_STATISTICS_START + 4, 4013 /** 4014 * <p>List of landmarks for detected 4015 * faces.</p> 4016 * 4017 * <p>This tag may appear in:</p> 4018 * <ul> 4019 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4020 * </ul> 4021 * 4022 * <p>The coordinate system is that of ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE, with 4023 * <code>(0, 0)</code> being the top-left pixel of the active array.</p> 4024 * <p>Only available if ACAMERA_STATISTICS_FACE_DETECT_MODE == FULL</p> 4025 * 4026 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 4027 * @see ACAMERA_STATISTICS_FACE_DETECT_MODE 4028 */ 4029 ACAMERA_STATISTICS_FACE_LANDMARKS = // int32[n*6] 4030 ACAMERA_STATISTICS_START + 5, 4031 /** 4032 * <p>List of the bounding rectangles for detected 4033 * faces.</p> 4034 * 4035 * <p>This tag may appear in:</p> 4036 * <ul> 4037 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4038 * </ul> 4039 * 4040 * <p>The data representation is int[4], which maps to (left, top, width, height).</p> 4041 * <p>The coordinate system is that of ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE, with 4042 * <code>(0, 0)</code> being the top-left pixel of the active array.</p> 4043 * <p>Only available if ACAMERA_STATISTICS_FACE_DETECT_MODE != OFF</p> 4044 * 4045 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 4046 * @see ACAMERA_STATISTICS_FACE_DETECT_MODE 4047 */ 4048 ACAMERA_STATISTICS_FACE_RECTANGLES = // int32[n*4] 4049 ACAMERA_STATISTICS_START + 6, 4050 /** 4051 * <p>List of the face confidence scores for 4052 * detected faces</p> 4053 * 4054 * <p>This tag may appear in:</p> 4055 * <ul> 4056 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4057 * </ul> 4058 * 4059 * <p>Only available if ACAMERA_STATISTICS_FACE_DETECT_MODE != OFF.</p> 4060 * 4061 * @see ACAMERA_STATISTICS_FACE_DETECT_MODE 4062 */ 4063 ACAMERA_STATISTICS_FACE_SCORES = // byte[n] 4064 ACAMERA_STATISTICS_START + 7, 4065 /** 4066 * <p>The shading map is a low-resolution floating-point map 4067 * that lists the coefficients used to correct for vignetting and color shading, 4068 * for each Bayer color channel of RAW image data.</p> 4069 * 4070 * <p>This tag may appear in:</p> 4071 * <ul> 4072 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4073 * </ul> 4074 * 4075 * <p>The map provided here is the same map that is used by the camera device to 4076 * correct both color shading and vignetting for output non-RAW images.</p> 4077 * <p>When there is no lens shading correction applied to RAW 4078 * output images (ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED <code>==</code> 4079 * false), this map is the complete lens shading correction 4080 * map; when there is some lens shading correction applied to 4081 * the RAW output image (ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED<code>==</code> true), this map reports the remaining lens shading 4082 * correction map that needs to be applied to get shading 4083 * corrected images that match the camera device's output for 4084 * non-RAW formats.</p> 4085 * <p>For a complete shading correction map, the least shaded 4086 * section of the image will have a gain factor of 1; all 4087 * other sections will have gains above 1.</p> 4088 * <p>When ACAMERA_COLOR_CORRECTION_MODE = TRANSFORM_MATRIX, the map 4089 * will take into account the colorCorrection settings.</p> 4090 * <p>The shading map is for the entire active pixel array, and is not 4091 * affected by the crop region specified in the request. Each shading map 4092 * entry is the value of the shading compensation map over a specific 4093 * pixel on the sensor. Specifically, with a (N x M) resolution shading 4094 * map, and an active pixel array size (W x H), shading map entry 4095 * (x,y) ϵ (0 ... N-1, 0 ... M-1) is the value of the shading map at 4096 * pixel ( ((W-1)/(N-1)) * x, ((H-1)/(M-1)) * y) for the four color channels. 4097 * The map is assumed to be bilinearly interpolated between the sample points.</p> 4098 * <p>The channel order is [R, Geven, Godd, B], where Geven is the green 4099 * channel for the even rows of a Bayer pattern, and Godd is the odd rows. 4100 * The shading map is stored in a fully interleaved format, and its size 4101 * is provided in the camera static metadata by ACAMERA_LENS_INFO_SHADING_MAP_SIZE.</p> 4102 * <p>The shading map will generally have on the order of 30-40 rows and columns, 4103 * and will be smaller than 64x64.</p> 4104 * <p>As an example, given a very small map defined as:</p> 4105 * <pre><code>ACAMERA_LENS_INFO_SHADING_MAP_SIZE = [ 4, 3 ] 4106 * ACAMERA_STATISTICS_LENS_SHADING_MAP = 4107 * [ 1.3, 1.2, 1.15, 1.2, 1.2, 1.2, 1.15, 1.2, 4108 * 1.1, 1.2, 1.2, 1.2, 1.3, 1.2, 1.3, 1.3, 4109 * 1.2, 1.2, 1.25, 1.1, 1.1, 1.1, 1.1, 1.0, 4110 * 1.0, 1.0, 1.0, 1.0, 1.2, 1.3, 1.25, 1.2, 4111 * 1.3, 1.2, 1.2, 1.3, 1.2, 1.15, 1.1, 1.2, 4112 * 1.2, 1.1, 1.0, 1.2, 1.3, 1.15, 1.2, 1.3 ] 4113 * </code></pre> 4114 * <p>The low-resolution scaling map images for each channel are 4115 * (displayed using nearest-neighbor interpolation):</p> 4116 * <p><img alt="Red lens shading map" src="../images/camera2/metadata/android.statistics.lensShadingMap/red_shading.png" /> 4117 * <img alt="Green (even rows) lens shading map" src="../images/camera2/metadata/android.statistics.lensShadingMap/green_e_shading.png" /> 4118 * <img alt="Green (odd rows) lens shading map" src="../images/camera2/metadata/android.statistics.lensShadingMap/green_o_shading.png" /> 4119 * <img alt="Blue lens shading map" src="../images/camera2/metadata/android.statistics.lensShadingMap/blue_shading.png" /></p> 4120 * <p>As a visualization only, inverting the full-color map to recover an 4121 * image of a gray wall (using bicubic interpolation for visual quality) 4122 * as captured by the sensor gives:</p> 4123 * <p><img alt="Image of a uniform white wall (inverse shading map)" src="../images/camera2/metadata/android.statistics.lensShadingMap/inv_shading.png" /></p> 4124 * <p>Note that the RAW image data might be subject to lens shading 4125 * correction not reported on this map. Query 4126 * ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED to see if RAW image data has subject 4127 * to lens shading correction. If ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED 4128 * is TRUE, the RAW image data is subject to partial or full lens shading 4129 * correction. In the case full lens shading correction is applied to RAW 4130 * images, the gain factor map reported in this key will contain all 1.0 gains. 4131 * In other words, the map reported in this key is the remaining lens shading 4132 * that needs to be applied on the RAW image to get images without lens shading 4133 * artifacts. See android.request.maxNumOutputRaw for a list of RAW image 4134 * formats.</p> 4135 * 4136 * @see ACAMERA_COLOR_CORRECTION_MODE 4137 * @see ACAMERA_LENS_INFO_SHADING_MAP_SIZE 4138 * @see ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED 4139 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP 4140 */ 4141 ACAMERA_STATISTICS_LENS_SHADING_MAP = // float[4*n*m] 4142 ACAMERA_STATISTICS_START + 11, 4143 /** 4144 * <p>The camera device estimated scene illumination lighting 4145 * frequency.</p> 4146 * 4147 * <p>This tag may appear in:</p> 4148 * <ul> 4149 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4150 * </ul> 4151 * 4152 * <p>Many light sources, such as most fluorescent lights, flicker at a rate 4153 * that depends on the local utility power standards. This flicker must be 4154 * accounted for by auto-exposure routines to avoid artifacts in captured images. 4155 * The camera device uses this entry to tell the application what the scene 4156 * illuminant frequency is.</p> 4157 * <p>When manual exposure control is enabled 4158 * (<code>ACAMERA_CONTROL_AE_MODE == OFF</code> or <code>ACAMERA_CONTROL_MODE == 4159 * OFF</code>), the ACAMERA_CONTROL_AE_ANTIBANDING_MODE doesn't perform 4160 * antibanding, and the application can ensure it selects 4161 * exposure times that do not cause banding issues by looking 4162 * into this metadata field. See 4163 * ACAMERA_CONTROL_AE_ANTIBANDING_MODE for more details.</p> 4164 * <p>Reports NONE if there doesn't appear to be flickering illumination.</p> 4165 * 4166 * @see ACAMERA_CONTROL_AE_ANTIBANDING_MODE 4167 * @see ACAMERA_CONTROL_AE_MODE 4168 * @see ACAMERA_CONTROL_MODE 4169 */ 4170 ACAMERA_STATISTICS_SCENE_FLICKER = // byte (enum) 4171 ACAMERA_STATISTICS_START + 14, 4172 /** 4173 * <p>List of <code>(x, y)</code> coordinates of hot/defective pixels on the sensor.</p> 4174 * 4175 * <p>This tag may appear in:</p> 4176 * <ul> 4177 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4178 * </ul> 4179 * 4180 * <p>A coordinate <code>(x, y)</code> must lie between <code>(0, 0)</code>, and 4181 * <code>(width - 1, height - 1)</code> (inclusive), which are the top-left and 4182 * bottom-right of the pixel array, respectively. The width and 4183 * height dimensions are given in ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE. 4184 * This may include hot pixels that lie outside of the active array 4185 * bounds given by ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE.</p> 4186 * 4187 * @see ACAMERA_SENSOR_INFO_ACTIVE_ARRAY_SIZE 4188 * @see ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE 4189 */ 4190 ACAMERA_STATISTICS_HOT_PIXEL_MAP = // int32[2*n] 4191 ACAMERA_STATISTICS_START + 15, 4192 /** 4193 * <p>Whether the camera device will output the lens 4194 * shading map in output result metadata.</p> 4195 * 4196 * <p>This tag may appear in:</p> 4197 * <ul> 4198 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4199 * <li>ACaptureRequest</li> 4200 * </ul> 4201 * 4202 * <p>When set to ON, 4203 * ACAMERA_STATISTICS_LENS_SHADING_MAP will be provided in 4204 * the output result metadata.</p> 4205 * <p>ON is always supported on devices with the RAW capability.</p> 4206 * 4207 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP 4208 */ 4209 ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE = // byte (enum) 4210 ACAMERA_STATISTICS_START + 16, 4211 ACAMERA_STATISTICS_END, 4212 4213 /** 4214 * <p>List of face detection modes for ACAMERA_STATISTICS_FACE_DETECT_MODE that are 4215 * supported by this camera device.</p> 4216 * 4217 * @see ACAMERA_STATISTICS_FACE_DETECT_MODE 4218 * 4219 * <p>This tag may appear in:</p> 4220 * <ul> 4221 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4222 * </ul> 4223 * 4224 * <p>OFF is always supported.</p> 4225 */ 4226 ACAMERA_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES = // byte[n] 4227 ACAMERA_STATISTICS_INFO_START, 4228 /** 4229 * <p>The maximum number of simultaneously detectable 4230 * faces.</p> 4231 * 4232 * <p>This tag may appear in:</p> 4233 * <ul> 4234 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4235 * </ul> 4236 * 4237 * <p>None</p> 4238 */ 4239 ACAMERA_STATISTICS_INFO_MAX_FACE_COUNT = // int32 4240 ACAMERA_STATISTICS_INFO_START + 2, 4241 /** 4242 * <p>List of hot pixel map output modes for ACAMERA_STATISTICS_HOT_PIXEL_MAP_MODE that are 4243 * supported by this camera device.</p> 4244 * 4245 * @see ACAMERA_STATISTICS_HOT_PIXEL_MAP_MODE 4246 * 4247 * <p>This tag may appear in:</p> 4248 * <ul> 4249 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4250 * </ul> 4251 * 4252 * <p>If no hotpixel map output is available for this camera device, this will contain only 4253 * <code>false</code>.</p> 4254 * <p>ON is always supported on devices with the RAW capability.</p> 4255 */ 4256 ACAMERA_STATISTICS_INFO_AVAILABLE_HOT_PIXEL_MAP_MODES = // byte[n] 4257 ACAMERA_STATISTICS_INFO_START + 6, 4258 /** 4259 * <p>List of lens shading map output modes for ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE that 4260 * are supported by this camera device.</p> 4261 * 4262 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE 4263 * 4264 * <p>This tag may appear in:</p> 4265 * <ul> 4266 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4267 * </ul> 4268 * 4269 * <p>If no lens shading map output is available for this camera device, this key will 4270 * contain only OFF.</p> 4271 * <p>ON is always supported on devices with the RAW capability. 4272 * LEGACY mode devices will always only support OFF.</p> 4273 */ 4274 ACAMERA_STATISTICS_INFO_AVAILABLE_LENS_SHADING_MAP_MODES = // byte[n] 4275 ACAMERA_STATISTICS_INFO_START + 7, 4276 ACAMERA_STATISTICS_INFO_END, 4277 4278 /** 4279 * <p>Tonemapping / contrast / gamma curve for the blue 4280 * channel, to use when ACAMERA_TONEMAP_MODE is 4281 * CONTRAST_CURVE.</p> 4282 * 4283 * @see ACAMERA_TONEMAP_MODE 4284 * 4285 * <p>This tag may appear in:</p> 4286 * <ul> 4287 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4288 * <li>ACaptureRequest</li> 4289 * </ul> 4290 * 4291 * <p>See ACAMERA_TONEMAP_CURVE_RED for more details.</p> 4292 * 4293 * @see ACAMERA_TONEMAP_CURVE_RED 4294 */ 4295 ACAMERA_TONEMAP_CURVE_BLUE = // float[n*2] 4296 ACAMERA_TONEMAP_START, 4297 /** 4298 * <p>Tonemapping / contrast / gamma curve for the green 4299 * channel, to use when ACAMERA_TONEMAP_MODE is 4300 * CONTRAST_CURVE.</p> 4301 * 4302 * @see ACAMERA_TONEMAP_MODE 4303 * 4304 * <p>This tag may appear in:</p> 4305 * <ul> 4306 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4307 * <li>ACaptureRequest</li> 4308 * </ul> 4309 * 4310 * <p>See ACAMERA_TONEMAP_CURVE_RED for more details.</p> 4311 * 4312 * @see ACAMERA_TONEMAP_CURVE_RED 4313 */ 4314 ACAMERA_TONEMAP_CURVE_GREEN = // float[n*2] 4315 ACAMERA_TONEMAP_START + 1, 4316 /** 4317 * <p>Tonemapping / contrast / gamma curve for the red 4318 * channel, to use when ACAMERA_TONEMAP_MODE is 4319 * CONTRAST_CURVE.</p> 4320 * 4321 * @see ACAMERA_TONEMAP_MODE 4322 * 4323 * <p>This tag may appear in:</p> 4324 * <ul> 4325 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4326 * <li>ACaptureRequest</li> 4327 * </ul> 4328 * 4329 * <p>Each channel's curve is defined by an array of control points:</p> 4330 * <pre><code>ACAMERA_TONEMAP_CURVE_RED = 4331 * [ P0in, P0out, P1in, P1out, P2in, P2out, P3in, P3out, ..., PNin, PNout ] 4332 * 2 <= N <= ACAMERA_TONEMAP_MAX_CURVE_POINTS</code></pre> 4333 * <p>These are sorted in order of increasing <code>Pin</code>; it is 4334 * required that input values 0.0 and 1.0 are included in the list to 4335 * define a complete mapping. For input values between control points, 4336 * the camera device must linearly interpolate between the control 4337 * points.</p> 4338 * <p>Each curve can have an independent number of points, and the number 4339 * of points can be less than max (that is, the request doesn't have to 4340 * always provide a curve with number of points equivalent to 4341 * ACAMERA_TONEMAP_MAX_CURVE_POINTS).</p> 4342 * <p>A few examples, and their corresponding graphical mappings; these 4343 * only specify the red channel and the precision is limited to 4 4344 * digits, for conciseness.</p> 4345 * <p>Linear mapping:</p> 4346 * <pre><code>ACAMERA_TONEMAP_CURVE_RED = [ 0, 0, 1.0, 1.0 ] 4347 * </code></pre> 4348 * <p><img alt="Linear mapping curve" src="../images/camera2/metadata/android.tonemap.curveRed/linear_tonemap.png" /></p> 4349 * <p>Invert mapping:</p> 4350 * <pre><code>ACAMERA_TONEMAP_CURVE_RED = [ 0, 1.0, 1.0, 0 ] 4351 * </code></pre> 4352 * <p><img alt="Inverting mapping curve" src="../images/camera2/metadata/android.tonemap.curveRed/inverse_tonemap.png" /></p> 4353 * <p>Gamma 1/2.2 mapping, with 16 control points:</p> 4354 * <pre><code>ACAMERA_TONEMAP_CURVE_RED = [ 4355 * 0.0000, 0.0000, 0.0667, 0.2920, 0.1333, 0.4002, 0.2000, 0.4812, 4356 * 0.2667, 0.5484, 0.3333, 0.6069, 0.4000, 0.6594, 0.4667, 0.7072, 4357 * 0.5333, 0.7515, 0.6000, 0.7928, 0.6667, 0.8317, 0.7333, 0.8685, 4358 * 0.8000, 0.9035, 0.8667, 0.9370, 0.9333, 0.9691, 1.0000, 1.0000 ] 4359 * </code></pre> 4360 * <p><img alt="Gamma = 1/2.2 tonemapping curve" src="../images/camera2/metadata/android.tonemap.curveRed/gamma_tonemap.png" /></p> 4361 * <p>Standard sRGB gamma mapping, per IEC 61966-2-1:1999, with 16 control points:</p> 4362 * <pre><code>ACAMERA_TONEMAP_CURVE_RED = [ 4363 * 0.0000, 0.0000, 0.0667, 0.2864, 0.1333, 0.4007, 0.2000, 0.4845, 4364 * 0.2667, 0.5532, 0.3333, 0.6125, 0.4000, 0.6652, 0.4667, 0.7130, 4365 * 0.5333, 0.7569, 0.6000, 0.7977, 0.6667, 0.8360, 0.7333, 0.8721, 4366 * 0.8000, 0.9063, 0.8667, 0.9389, 0.9333, 0.9701, 1.0000, 1.0000 ] 4367 * </code></pre> 4368 * <p><img alt="sRGB tonemapping curve" src="../images/camera2/metadata/android.tonemap.curveRed/srgb_tonemap.png" /></p> 4369 * 4370 * @see ACAMERA_TONEMAP_CURVE_RED 4371 * @see ACAMERA_TONEMAP_MAX_CURVE_POINTS 4372 */ 4373 ACAMERA_TONEMAP_CURVE_RED = // float[n*2] 4374 ACAMERA_TONEMAP_START + 2, 4375 /** 4376 * <p>High-level global contrast/gamma/tonemapping control.</p> 4377 * 4378 * <p>This tag may appear in:</p> 4379 * <ul> 4380 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4381 * <li>ACaptureRequest</li> 4382 * </ul> 4383 * 4384 * <p>When switching to an application-defined contrast curve by setting 4385 * ACAMERA_TONEMAP_MODE to CONTRAST_CURVE, the curve is defined 4386 * per-channel with a set of <code>(in, out)</code> points that specify the 4387 * mapping from input high-bit-depth pixel value to the output 4388 * low-bit-depth value. Since the actual pixel ranges of both input 4389 * and output may change depending on the camera pipeline, the values 4390 * are specified by normalized floating-point numbers.</p> 4391 * <p>More-complex color mapping operations such as 3D color look-up 4392 * tables, selective chroma enhancement, or other non-linear color 4393 * transforms will be disabled when ACAMERA_TONEMAP_MODE is 4394 * CONTRAST_CURVE.</p> 4395 * <p>When using either FAST or HIGH_QUALITY, the camera device will 4396 * emit its own tonemap curve in android.tonemap.curve. 4397 * These values are always available, and as close as possible to the 4398 * actually used nonlinear/nonglobal transforms.</p> 4399 * <p>If a request is sent with CONTRAST_CURVE with the camera device's 4400 * provided curve in FAST or HIGH_QUALITY, the image's tonemap will be 4401 * roughly the same.</p> 4402 * 4403 * @see ACAMERA_TONEMAP_MODE 4404 */ 4405 ACAMERA_TONEMAP_MODE = // byte (enum) 4406 ACAMERA_TONEMAP_START + 3, 4407 /** 4408 * <p>Maximum number of supported points in the 4409 * tonemap curve that can be used for android.tonemap.curve.</p> 4410 * 4411 * <p>This tag may appear in:</p> 4412 * <ul> 4413 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4414 * </ul> 4415 * 4416 * <p>If the actual number of points provided by the application (in ACAMERA_TONEMAPCURVE_*) is 4417 * less than this maximum, the camera device will resample the curve to its internal 4418 * representation, using linear interpolation.</p> 4419 * <p>The output curves in the result metadata may have a different number 4420 * of points than the input curves, and will represent the actual 4421 * hardware curves used as closely as possible when linearly interpolated.</p> 4422 */ 4423 ACAMERA_TONEMAP_MAX_CURVE_POINTS = // int32 4424 ACAMERA_TONEMAP_START + 4, 4425 /** 4426 * <p>List of tonemapping modes for ACAMERA_TONEMAP_MODE that are supported by this camera 4427 * device.</p> 4428 * 4429 * @see ACAMERA_TONEMAP_MODE 4430 * 4431 * <p>This tag may appear in:</p> 4432 * <ul> 4433 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4434 * </ul> 4435 * 4436 * <p>Camera devices that support the MANUAL_POST_PROCESSING capability will always contain 4437 * at least one of below mode combinations:</p> 4438 * <ul> 4439 * <li>CONTRAST_CURVE, FAST and HIGH_QUALITY</li> 4440 * <li>GAMMA_VALUE, PRESET_CURVE, FAST and HIGH_QUALITY</li> 4441 * </ul> 4442 * <p>This includes all FULL level devices.</p> 4443 */ 4444 ACAMERA_TONEMAP_AVAILABLE_TONE_MAP_MODES = // byte[n] 4445 ACAMERA_TONEMAP_START + 5, 4446 /** 4447 * <p>Tonemapping curve to use when ACAMERA_TONEMAP_MODE is 4448 * GAMMA_VALUE</p> 4449 * 4450 * @see ACAMERA_TONEMAP_MODE 4451 * 4452 * <p>This tag may appear in:</p> 4453 * <ul> 4454 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4455 * <li>ACaptureRequest</li> 4456 * </ul> 4457 * 4458 * <p>The tonemap curve will be defined the following formula: 4459 * * OUT = pow(IN, 1.0 / gamma) 4460 * where IN and OUT is the input pixel value scaled to range [0.0, 1.0], 4461 * pow is the power function and gamma is the gamma value specified by this 4462 * key.</p> 4463 * <p>The same curve will be applied to all color channels. The camera device 4464 * may clip the input gamma value to its supported range. The actual applied 4465 * value will be returned in capture result.</p> 4466 * <p>The valid range of gamma value varies on different devices, but values 4467 * within [1.0, 5.0] are guaranteed not to be clipped.</p> 4468 */ 4469 ACAMERA_TONEMAP_GAMMA = // float 4470 ACAMERA_TONEMAP_START + 6, 4471 /** 4472 * <p>Tonemapping curve to use when ACAMERA_TONEMAP_MODE is 4473 * PRESET_CURVE</p> 4474 * 4475 * @see ACAMERA_TONEMAP_MODE 4476 * 4477 * <p>This tag may appear in:</p> 4478 * <ul> 4479 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4480 * <li>ACaptureRequest</li> 4481 * </ul> 4482 * 4483 * <p>The tonemap curve will be defined by specified standard.</p> 4484 * <p>sRGB (approximated by 16 control points):</p> 4485 * <p><img alt="sRGB tonemapping curve" src="../images/camera2/metadata/android.tonemap.curveRed/srgb_tonemap.png" /></p> 4486 * <p>Rec. 709 (approximated by 16 control points):</p> 4487 * <p><img alt="Rec. 709 tonemapping curve" src="../images/camera2/metadata/android.tonemap.curveRed/rec709_tonemap.png" /></p> 4488 * <p>Note that above figures show a 16 control points approximation of preset 4489 * curves. Camera devices may apply a different approximation to the curve.</p> 4490 */ 4491 ACAMERA_TONEMAP_PRESET_CURVE = // byte (enum) 4492 ACAMERA_TONEMAP_START + 7, 4493 ACAMERA_TONEMAP_END, 4494 4495 /** 4496 * <p>Generally classifies the overall set of the camera device functionality.</p> 4497 * 4498 * <p>This tag may appear in:</p> 4499 * <ul> 4500 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4501 * </ul> 4502 * 4503 * <p>The supported hardware level is a high-level description of the camera device's 4504 * capabilities, summarizing several capabilities into one field. Each level adds additional 4505 * features to the previous one, and is always a strict superset of the previous level. 4506 * The ordering is <code>LEGACY < LIMITED < FULL < LEVEL_3</code>.</p> 4507 * <p>Starting from <code>LEVEL_3</code>, the level enumerations are guaranteed to be in increasing 4508 * numerical value as well. To check if a given device is at least at a given hardware level, 4509 * the following code snippet can be used:</p> 4510 * <pre><code>// Returns true if the device supports the required hardware level, or better. 4511 * boolean isHardwareLevelSupported(CameraCharacteristics c, int requiredLevel) { 4512 * int deviceLevel = c.get(CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL); 4513 * if (deviceLevel == CameraCharacteristics.INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY) { 4514 * return requiredLevel == deviceLevel; 4515 * } 4516 * // deviceLevel is not LEGACY, can use numerical sort 4517 * return requiredLevel <= deviceLevel; 4518 * } 4519 * </code></pre> 4520 * <p>At a high level, the levels are:</p> 4521 * <ul> 4522 * <li><code>LEGACY</code> devices operate in a backwards-compatibility mode for older 4523 * Android devices, and have very limited capabilities.</li> 4524 * <li><code>LIMITED</code> devices represent the 4525 * baseline feature set, and may also include additional capabilities that are 4526 * subsets of <code>FULL</code>.</li> 4527 * <li><code>FULL</code> devices additionally support per-frame manual control of sensor, flash, lens and 4528 * post-processing settings, and image capture at a high rate.</li> 4529 * <li><code>LEVEL_3</code> devices additionally support YUV reprocessing and RAW image capture, along 4530 * with additional output stream configurations.</li> 4531 * </ul> 4532 * <p>See the individual level enums for full descriptions of the supported capabilities. The 4533 * ACAMERA_REQUEST_AVAILABLE_CAPABILITIES entry describes the device's capabilities at a 4534 * finer-grain level, if needed. In addition, many controls have their available settings or 4535 * ranges defined in individual metadata tag entries in this document.</p> 4536 * <p>Some features are not part of any particular hardware level or capability and must be 4537 * queried separately. These include:</p> 4538 * <ul> 4539 * <li>Calibrated timestamps (ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE <code>==</code> REALTIME)</li> 4540 * <li>Precision lens control (ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION <code>==</code> CALIBRATED)</li> 4541 * <li>Face detection (ACAMERA_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES)</li> 4542 * <li>Optical or electrical image stabilization 4543 * (ACAMERA_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION, 4544 * ACAMERA_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES)</li> 4545 * </ul> 4546 * 4547 * @see ACAMERA_CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES 4548 * @see ACAMERA_LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION 4549 * @see ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION 4550 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 4551 * @see ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE 4552 * @see ACAMERA_STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES 4553 */ 4554 ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL = // byte (enum) 4555 ACAMERA_INFO_START, 4556 ACAMERA_INFO_END, 4557 4558 /** 4559 * <p>Whether black-level compensation is locked 4560 * to its current values, or is free to vary.</p> 4561 * 4562 * <p>This tag may appear in:</p> 4563 * <ul> 4564 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4565 * <li>ACaptureRequest</li> 4566 * </ul> 4567 * 4568 * <p>Whether the black level offset was locked for this frame. Should be 4569 * ON if ACAMERA_BLACK_LEVEL_LOCK was ON in the capture request, unless 4570 * a change in other capture settings forced the camera device to 4571 * perform a black level reset.</p> 4572 * 4573 * @see ACAMERA_BLACK_LEVEL_LOCK 4574 */ 4575 ACAMERA_BLACK_LEVEL_LOCK = // byte (enum) 4576 ACAMERA_BLACK_LEVEL_START, 4577 ACAMERA_BLACK_LEVEL_END, 4578 4579 /** 4580 * <p>The frame number corresponding to the last request 4581 * with which the output result (metadata + buffers) has been fully 4582 * synchronized.</p> 4583 * 4584 * <p>This tag may appear in:</p> 4585 * <ul> 4586 * <li>ACameraMetadata from ACameraCaptureSession_captureCallback_result callbacks</li> 4587 * </ul> 4588 * 4589 * <p>When a request is submitted to the camera device, there is usually a 4590 * delay of several frames before the controls get applied. A camera 4591 * device may either choose to account for this delay by implementing a 4592 * pipeline and carefully submit well-timed atomic control updates, or 4593 * it may start streaming control changes that span over several frame 4594 * boundaries.</p> 4595 * <p>In the latter case, whenever a request's settings change relative to 4596 * the previous submitted request, the full set of changes may take 4597 * multiple frame durations to fully take effect. Some settings may 4598 * take effect sooner (in less frame durations) than others.</p> 4599 * <p>While a set of control changes are being propagated, this value 4600 * will be CONVERGING.</p> 4601 * <p>Once it is fully known that a set of control changes have been 4602 * finished propagating, and the resulting updated control settings 4603 * have been read back by the camera device, this value will be set 4604 * to a non-negative frame number (corresponding to the request to 4605 * which the results have synchronized to).</p> 4606 * <p>Older camera device implementations may not have a way to detect 4607 * when all camera controls have been applied, and will always set this 4608 * value to UNKNOWN.</p> 4609 * <p>FULL capability devices will always have this value set to the 4610 * frame number of the request corresponding to this result.</p> 4611 * <p><em>Further details</em>:</p> 4612 * <ul> 4613 * <li>Whenever a request differs from the last request, any future 4614 * results not yet returned may have this value set to CONVERGING (this 4615 * could include any in-progress captures not yet returned by the camera 4616 * device, for more details see pipeline considerations below).</li> 4617 * <li>Submitting a series of multiple requests that differ from the 4618 * previous request (e.g. r1, r2, r3 s.t. r1 != r2 != r3) 4619 * moves the new synchronization frame to the last non-repeating 4620 * request (using the smallest frame number from the contiguous list of 4621 * repeating requests).</li> 4622 * <li>Submitting the same request repeatedly will not change this value 4623 * to CONVERGING, if it was already a non-negative value.</li> 4624 * <li>When this value changes to non-negative, that means that all of the 4625 * metadata controls from the request have been applied, all of the 4626 * metadata controls from the camera device have been read to the 4627 * updated values (into the result), and all of the graphics buffers 4628 * corresponding to this result are also synchronized to the request.</li> 4629 * </ul> 4630 * <p><em>Pipeline considerations</em>:</p> 4631 * <p>Submitting a request with updated controls relative to the previously 4632 * submitted requests may also invalidate the synchronization state 4633 * of all the results corresponding to currently in-flight requests.</p> 4634 * <p>In other words, results for this current request and up to 4635 * ACAMERA_REQUEST_PIPELINE_MAX_DEPTH prior requests may have their 4636 * ACAMERA_SYNC_FRAME_NUMBER change to CONVERGING.</p> 4637 * 4638 * @see ACAMERA_REQUEST_PIPELINE_MAX_DEPTH 4639 * @see ACAMERA_SYNC_FRAME_NUMBER 4640 */ 4641 ACAMERA_SYNC_FRAME_NUMBER = // int64 (enum) 4642 ACAMERA_SYNC_START, 4643 /** 4644 * <p>The maximum number of frames that can occur after a request 4645 * (different than the previous) has been submitted, and before the 4646 * result's state becomes synchronized.</p> 4647 * 4648 * <p>This tag may appear in:</p> 4649 * <ul> 4650 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4651 * </ul> 4652 * 4653 * <p>This defines the maximum distance (in number of metadata results), 4654 * between the frame number of the request that has new controls to apply 4655 * and the frame number of the result that has all the controls applied.</p> 4656 * <p>In other words this acts as an upper boundary for how many frames 4657 * must occur before the camera device knows for a fact that the new 4658 * submitted camera settings have been applied in outgoing frames.</p> 4659 */ 4660 ACAMERA_SYNC_MAX_LATENCY = // int32 (enum) 4661 ACAMERA_SYNC_START + 1, 4662 ACAMERA_SYNC_END, 4663 4664 /** 4665 * <p>The available depth dataspace stream 4666 * configurations that this camera device supports 4667 * (i.e. format, width, height, output/input stream).</p> 4668 * 4669 * <p>This tag may appear in:</p> 4670 * <ul> 4671 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4672 * </ul> 4673 * 4674 * <p>These are output stream configurations for use with 4675 * dataSpace HAL_DATASPACE_DEPTH. The configurations are 4676 * listed as <code>(format, width, height, input?)</code> tuples.</p> 4677 * <p>Only devices that support depth output for at least 4678 * the HAL_PIXEL_FORMAT_Y16 dense depth map may include 4679 * this entry.</p> 4680 * <p>A device that also supports the HAL_PIXEL_FORMAT_BLOB 4681 * sparse depth point cloud must report a single entry for 4682 * the format in this list as <code>(HAL_PIXEL_FORMAT_BLOB, 4683 * android.depth.maxDepthSamples, 1, OUTPUT)</code> in addition to 4684 * the entries for HAL_PIXEL_FORMAT_Y16.</p> 4685 */ 4686 ACAMERA_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS = // int32[n*4] (enum) 4687 ACAMERA_DEPTH_START + 1, 4688 /** 4689 * <p>This lists the minimum frame duration for each 4690 * format/size combination for depth output formats.</p> 4691 * 4692 * <p>This tag may appear in:</p> 4693 * <ul> 4694 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4695 * </ul> 4696 * 4697 * <p>This should correspond to the frame duration when only that 4698 * stream is active, with all processing (typically in android.*.mode) 4699 * set to either OFF or FAST.</p> 4700 * <p>When multiple streams are used in a request, the minimum frame 4701 * duration will be max(individual stream min durations).</p> 4702 * <p>The minimum frame duration of a stream (of a particular format, size) 4703 * is the same regardless of whether the stream is input or output.</p> 4704 * <p>See ACAMERA_SENSOR_FRAME_DURATION and 4705 * ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS for more details about 4706 * calculating the max frame rate.</p> 4707 * 4708 * @see ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS 4709 * @see ACAMERA_SENSOR_FRAME_DURATION 4710 */ 4711 ACAMERA_DEPTH_AVAILABLE_DEPTH_MIN_FRAME_DURATIONS = // int64[4*n] 4712 ACAMERA_DEPTH_START + 2, 4713 /** 4714 * <p>This lists the maximum stall duration for each 4715 * output format/size combination for depth streams.</p> 4716 * 4717 * <p>This tag may appear in:</p> 4718 * <ul> 4719 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4720 * </ul> 4721 * 4722 * <p>A stall duration is how much extra time would get added 4723 * to the normal minimum frame duration for a repeating request 4724 * that has streams with non-zero stall.</p> 4725 * <p>This functions similarly to 4726 * ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS for depth 4727 * streams.</p> 4728 * <p>All depth output stream formats may have a nonzero stall 4729 * duration.</p> 4730 * 4731 * @see ACAMERA_SCALER_AVAILABLE_STALL_DURATIONS 4732 */ 4733 ACAMERA_DEPTH_AVAILABLE_DEPTH_STALL_DURATIONS = // int64[4*n] 4734 ACAMERA_DEPTH_START + 3, 4735 /** 4736 * <p>Indicates whether a capture request may target both a 4737 * DEPTH16 / DEPTH_POINT_CLOUD output, and normal color outputs (such as 4738 * YUV_420_888, JPEG, or RAW) simultaneously.</p> 4739 * 4740 * <p>This tag may appear in:</p> 4741 * <ul> 4742 * <li>ACameraMetadata from ACameraManager_getCameraCharacteristics</li> 4743 * </ul> 4744 * 4745 * <p>If TRUE, including both depth and color outputs in a single 4746 * capture request is not supported. An application must interleave color 4747 * and depth requests. If FALSE, a single request can target both types 4748 * of output.</p> 4749 * <p>Typically, this restriction exists on camera devices that 4750 * need to emit a specific pattern or wavelength of light to 4751 * measure depth values, which causes the color image to be 4752 * corrupted during depth measurement.</p> 4753 */ 4754 ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE = // byte (enum) 4755 ACAMERA_DEPTH_START + 4, 4756 ACAMERA_DEPTH_END, 4757 4758 } acamera_metadata_tag_t; 4759 4760 /** 4761 * Enumeration definitions for the various entries that need them 4762 */ 4763 4764 // ACAMERA_COLOR_CORRECTION_MODE 4765 typedef enum acamera_metadata_enum_acamera_color_correction_mode { 4766 /** 4767 * <p>Use the ACAMERA_COLOR_CORRECTION_TRANSFORM matrix 4768 * and ACAMERA_COLOR_CORRECTION_GAINS to do color conversion.</p> 4769 * <p>All advanced white balance adjustments (not specified 4770 * by our white balance pipeline) must be disabled.</p> 4771 * <p>If AWB is enabled with <code>ACAMERA_CONTROL_AWB_MODE != OFF</code>, then 4772 * TRANSFORM_MATRIX is ignored. The camera device will override 4773 * this value to either FAST or HIGH_QUALITY.</p> 4774 * 4775 * @see ACAMERA_COLOR_CORRECTION_GAINS 4776 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 4777 * @see ACAMERA_CONTROL_AWB_MODE 4778 */ 4779 ACAMERA_COLOR_CORRECTION_MODE_TRANSFORM_MATRIX = 0, 4780 4781 /** 4782 * <p>Color correction processing must not slow down 4783 * capture rate relative to sensor raw output.</p> 4784 * <p>Advanced white balance adjustments above and beyond 4785 * the specified white balance pipeline may be applied.</p> 4786 * <p>If AWB is enabled with <code>ACAMERA_CONTROL_AWB_MODE != OFF</code>, then 4787 * the camera device uses the last frame's AWB values 4788 * (or defaults if AWB has never been run).</p> 4789 * 4790 * @see ACAMERA_CONTROL_AWB_MODE 4791 */ 4792 ACAMERA_COLOR_CORRECTION_MODE_FAST = 1, 4793 4794 /** 4795 * <p>Color correction processing operates at improved 4796 * quality but the capture rate might be reduced (relative to sensor 4797 * raw output rate)</p> 4798 * <p>Advanced white balance adjustments above and beyond 4799 * the specified white balance pipeline may be applied.</p> 4800 * <p>If AWB is enabled with <code>ACAMERA_CONTROL_AWB_MODE != OFF</code>, then 4801 * the camera device uses the last frame's AWB values 4802 * (or defaults if AWB has never been run).</p> 4803 * 4804 * @see ACAMERA_CONTROL_AWB_MODE 4805 */ 4806 ACAMERA_COLOR_CORRECTION_MODE_HIGH_QUALITY = 2, 4807 4808 } acamera_metadata_enum_android_color_correction_mode_t; 4809 4810 // ACAMERA_COLOR_CORRECTION_ABERRATION_MODE 4811 typedef enum acamera_metadata_enum_acamera_color_correction_aberration_mode { 4812 /** 4813 * <p>No aberration correction is applied.</p> 4814 */ 4815 ACAMERA_COLOR_CORRECTION_ABERRATION_MODE_OFF = 0, 4816 4817 /** 4818 * <p>Aberration correction will not slow down capture rate 4819 * relative to sensor raw output.</p> 4820 */ 4821 ACAMERA_COLOR_CORRECTION_ABERRATION_MODE_FAST = 1, 4822 4823 /** 4824 * <p>Aberration correction operates at improved quality but the capture rate might be 4825 * reduced (relative to sensor raw output rate)</p> 4826 */ 4827 ACAMERA_COLOR_CORRECTION_ABERRATION_MODE_HIGH_QUALITY = 2, 4828 4829 } acamera_metadata_enum_android_color_correction_aberration_mode_t; 4830 4831 4832 // ACAMERA_CONTROL_AE_ANTIBANDING_MODE 4833 typedef enum acamera_metadata_enum_acamera_control_ae_antibanding_mode { 4834 /** 4835 * <p>The camera device will not adjust exposure duration to 4836 * avoid banding problems.</p> 4837 */ 4838 ACAMERA_CONTROL_AE_ANTIBANDING_MODE_OFF = 0, 4839 4840 /** 4841 * <p>The camera device will adjust exposure duration to 4842 * avoid banding problems with 50Hz illumination sources.</p> 4843 */ 4844 ACAMERA_CONTROL_AE_ANTIBANDING_MODE_50HZ = 1, 4845 4846 /** 4847 * <p>The camera device will adjust exposure duration to 4848 * avoid banding problems with 60Hz illumination 4849 * sources.</p> 4850 */ 4851 ACAMERA_CONTROL_AE_ANTIBANDING_MODE_60HZ = 2, 4852 4853 /** 4854 * <p>The camera device will automatically adapt its 4855 * antibanding routine to the current illumination 4856 * condition. This is the default mode if AUTO is 4857 * available on given camera device.</p> 4858 */ 4859 ACAMERA_CONTROL_AE_ANTIBANDING_MODE_AUTO = 3, 4860 4861 } acamera_metadata_enum_android_control_ae_antibanding_mode_t; 4862 4863 // ACAMERA_CONTROL_AE_LOCK 4864 typedef enum acamera_metadata_enum_acamera_control_ae_lock { 4865 /** 4866 * <p>Auto-exposure lock is disabled; the AE algorithm 4867 * is free to update its parameters.</p> 4868 */ 4869 ACAMERA_CONTROL_AE_LOCK_OFF = 0, 4870 4871 /** 4872 * <p>Auto-exposure lock is enabled; the AE algorithm 4873 * must not update the exposure and sensitivity parameters 4874 * while the lock is active.</p> 4875 * <p>ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION setting changes 4876 * will still take effect while auto-exposure is locked.</p> 4877 * <p>Some rare LEGACY devices may not support 4878 * this, in which case the value will always be overridden to OFF.</p> 4879 * 4880 * @see ACAMERA_CONTROL_AE_EXPOSURE_COMPENSATION 4881 */ 4882 ACAMERA_CONTROL_AE_LOCK_ON = 1, 4883 4884 } acamera_metadata_enum_android_control_ae_lock_t; 4885 4886 // ACAMERA_CONTROL_AE_MODE 4887 typedef enum acamera_metadata_enum_acamera_control_ae_mode { 4888 /** 4889 * <p>The camera device's autoexposure routine is disabled.</p> 4890 * <p>The application-selected ACAMERA_SENSOR_EXPOSURE_TIME, 4891 * ACAMERA_SENSOR_SENSITIVITY and 4892 * ACAMERA_SENSOR_FRAME_DURATION are used by the camera 4893 * device, along with ACAMERA_FLASH_* fields, if there's 4894 * a flash unit for this camera device.</p> 4895 * <p>Note that auto-white balance (AWB) and auto-focus (AF) 4896 * behavior is device dependent when AE is in OFF mode. 4897 * To have consistent behavior across different devices, 4898 * it is recommended to either set AWB and AF to OFF mode 4899 * or lock AWB and AF before setting AE to OFF. 4900 * See ACAMERA_CONTROL_AWB_MODE, ACAMERA_CONTROL_AF_MODE, 4901 * ACAMERA_CONTROL_AWB_LOCK, and ACAMERA_CONTROL_AF_TRIGGER 4902 * for more details.</p> 4903 * <p>LEGACY devices do not support the OFF mode and will 4904 * override attempts to use this value to ON.</p> 4905 * 4906 * @see ACAMERA_CONTROL_AF_MODE 4907 * @see ACAMERA_CONTROL_AF_TRIGGER 4908 * @see ACAMERA_CONTROL_AWB_LOCK 4909 * @see ACAMERA_CONTROL_AWB_MODE 4910 * @see ACAMERA_SENSOR_EXPOSURE_TIME 4911 * @see ACAMERA_SENSOR_FRAME_DURATION 4912 * @see ACAMERA_SENSOR_SENSITIVITY 4913 */ 4914 ACAMERA_CONTROL_AE_MODE_OFF = 0, 4915 4916 /** 4917 * <p>The camera device's autoexposure routine is active, 4918 * with no flash control.</p> 4919 * <p>The application's values for 4920 * ACAMERA_SENSOR_EXPOSURE_TIME, 4921 * ACAMERA_SENSOR_SENSITIVITY, and 4922 * ACAMERA_SENSOR_FRAME_DURATION are ignored. The 4923 * application has control over the various 4924 * ACAMERA_FLASH_* fields.</p> 4925 * 4926 * @see ACAMERA_SENSOR_EXPOSURE_TIME 4927 * @see ACAMERA_SENSOR_FRAME_DURATION 4928 * @see ACAMERA_SENSOR_SENSITIVITY 4929 */ 4930 ACAMERA_CONTROL_AE_MODE_ON = 1, 4931 4932 /** 4933 * <p>Like ON, except that the camera device also controls 4934 * the camera's flash unit, firing it in low-light 4935 * conditions.</p> 4936 * <p>The flash may be fired during a precapture sequence 4937 * (triggered by ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER) and 4938 * may be fired for captures for which the 4939 * ACAMERA_CONTROL_CAPTURE_INTENT field is set to 4940 * STILL_CAPTURE</p> 4941 * 4942 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 4943 * @see ACAMERA_CONTROL_CAPTURE_INTENT 4944 */ 4945 ACAMERA_CONTROL_AE_MODE_ON_AUTO_FLASH = 2, 4946 4947 /** 4948 * <p>Like ON, except that the camera device also controls 4949 * the camera's flash unit, always firing it for still 4950 * captures.</p> 4951 * <p>The flash may be fired during a precapture sequence 4952 * (triggered by ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER) and 4953 * will always be fired for captures for which the 4954 * ACAMERA_CONTROL_CAPTURE_INTENT field is set to 4955 * STILL_CAPTURE</p> 4956 * 4957 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 4958 * @see ACAMERA_CONTROL_CAPTURE_INTENT 4959 */ 4960 ACAMERA_CONTROL_AE_MODE_ON_ALWAYS_FLASH = 3, 4961 4962 /** 4963 * <p>Like ON_AUTO_FLASH, but with automatic red eye 4964 * reduction.</p> 4965 * <p>If deemed necessary by the camera device, a red eye 4966 * reduction flash will fire during the precapture 4967 * sequence.</p> 4968 */ 4969 ACAMERA_CONTROL_AE_MODE_ON_AUTO_FLASH_REDEYE = 4, 4970 4971 } acamera_metadata_enum_android_control_ae_mode_t; 4972 4973 // ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 4974 typedef enum acamera_metadata_enum_acamera_control_ae_precapture_trigger { 4975 /** 4976 * <p>The trigger is idle.</p> 4977 */ 4978 ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER_IDLE = 0, 4979 4980 /** 4981 * <p>The precapture metering sequence will be started 4982 * by the camera device.</p> 4983 * <p>The exact effect of the precapture trigger depends on 4984 * the current AE mode and state.</p> 4985 */ 4986 ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER_START = 1, 4987 4988 /** 4989 * <p>The camera device will cancel any currently active or completed 4990 * precapture metering sequence, the auto-exposure routine will return to its 4991 * initial state.</p> 4992 */ 4993 ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER_CANCEL = 2, 4994 4995 } acamera_metadata_enum_android_control_ae_precapture_trigger_t; 4996 4997 // ACAMERA_CONTROL_AF_MODE 4998 typedef enum acamera_metadata_enum_acamera_control_af_mode { 4999 /** 5000 * <p>The auto-focus routine does not control the lens; 5001 * ACAMERA_LENS_FOCUS_DISTANCE is controlled by the 5002 * application.</p> 5003 * 5004 * @see ACAMERA_LENS_FOCUS_DISTANCE 5005 */ 5006 ACAMERA_CONTROL_AF_MODE_OFF = 0, 5007 5008 /** 5009 * <p>Basic automatic focus mode.</p> 5010 * <p>In this mode, the lens does not move unless 5011 * the autofocus trigger action is called. When that trigger 5012 * is activated, AF will transition to ACTIVE_SCAN, then to 5013 * the outcome of the scan (FOCUSED or NOT_FOCUSED).</p> 5014 * <p>Always supported if lens is not fixed focus.</p> 5015 * <p>Use ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE to determine if lens 5016 * is fixed-focus.</p> 5017 * <p>Triggering AF_CANCEL resets the lens position to default, 5018 * and sets the AF state to INACTIVE.</p> 5019 * 5020 * @see ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE 5021 */ 5022 ACAMERA_CONTROL_AF_MODE_AUTO = 1, 5023 5024 /** 5025 * <p>Close-up focusing mode.</p> 5026 * <p>In this mode, the lens does not move unless the 5027 * autofocus trigger action is called. When that trigger is 5028 * activated, AF will transition to ACTIVE_SCAN, then to 5029 * the outcome of the scan (FOCUSED or NOT_FOCUSED). This 5030 * mode is optimized for focusing on objects very close to 5031 * the camera.</p> 5032 * <p>When that trigger is activated, AF will transition to 5033 * ACTIVE_SCAN, then to the outcome of the scan (FOCUSED or 5034 * NOT_FOCUSED). Triggering cancel AF resets the lens 5035 * position to default, and sets the AF state to 5036 * INACTIVE.</p> 5037 */ 5038 ACAMERA_CONTROL_AF_MODE_MACRO = 2, 5039 5040 /** 5041 * <p>In this mode, the AF algorithm modifies the lens 5042 * position continually to attempt to provide a 5043 * constantly-in-focus image stream.</p> 5044 * <p>The focusing behavior should be suitable for good quality 5045 * video recording; typically this means slower focus 5046 * movement and no overshoots. When the AF trigger is not 5047 * involved, the AF algorithm should start in INACTIVE state, 5048 * and then transition into PASSIVE_SCAN and PASSIVE_FOCUSED 5049 * states as appropriate. When the AF trigger is activated, 5050 * the algorithm should immediately transition into 5051 * AF_FOCUSED or AF_NOT_FOCUSED as appropriate, and lock the 5052 * lens position until a cancel AF trigger is received.</p> 5053 * <p>Once cancel is received, the algorithm should transition 5054 * back to INACTIVE and resume passive scan. Note that this 5055 * behavior is not identical to CONTINUOUS_PICTURE, since an 5056 * ongoing PASSIVE_SCAN must immediately be 5057 * canceled.</p> 5058 */ 5059 ACAMERA_CONTROL_AF_MODE_CONTINUOUS_VIDEO = 3, 5060 5061 /** 5062 * <p>In this mode, the AF algorithm modifies the lens 5063 * position continually to attempt to provide a 5064 * constantly-in-focus image stream.</p> 5065 * <p>The focusing behavior should be suitable for still image 5066 * capture; typically this means focusing as fast as 5067 * possible. When the AF trigger is not involved, the AF 5068 * algorithm should start in INACTIVE state, and then 5069 * transition into PASSIVE_SCAN and PASSIVE_FOCUSED states as 5070 * appropriate as it attempts to maintain focus. When the AF 5071 * trigger is activated, the algorithm should finish its 5072 * PASSIVE_SCAN if active, and then transition into 5073 * AF_FOCUSED or AF_NOT_FOCUSED as appropriate, and lock the 5074 * lens position until a cancel AF trigger is received.</p> 5075 * <p>When the AF cancel trigger is activated, the algorithm 5076 * should transition back to INACTIVE and then act as if it 5077 * has just been started.</p> 5078 */ 5079 ACAMERA_CONTROL_AF_MODE_CONTINUOUS_PICTURE = 4, 5080 5081 /** 5082 * <p>Extended depth of field (digital focus) mode.</p> 5083 * <p>The camera device will produce images with an extended 5084 * depth of field automatically; no special focusing 5085 * operations need to be done before taking a picture.</p> 5086 * <p>AF triggers are ignored, and the AF state will always be 5087 * INACTIVE.</p> 5088 */ 5089 ACAMERA_CONTROL_AF_MODE_EDOF = 5, 5090 5091 } acamera_metadata_enum_android_control_af_mode_t; 5092 5093 // ACAMERA_CONTROL_AF_TRIGGER 5094 typedef enum acamera_metadata_enum_acamera_control_af_trigger { 5095 /** 5096 * <p>The trigger is idle.</p> 5097 */ 5098 ACAMERA_CONTROL_AF_TRIGGER_IDLE = 0, 5099 5100 /** 5101 * <p>Autofocus will trigger now.</p> 5102 */ 5103 ACAMERA_CONTROL_AF_TRIGGER_START = 1, 5104 5105 /** 5106 * <p>Autofocus will return to its initial 5107 * state, and cancel any currently active trigger.</p> 5108 */ 5109 ACAMERA_CONTROL_AF_TRIGGER_CANCEL = 2, 5110 5111 } acamera_metadata_enum_android_control_af_trigger_t; 5112 5113 // ACAMERA_CONTROL_AWB_LOCK 5114 typedef enum acamera_metadata_enum_acamera_control_awb_lock { 5115 /** 5116 * <p>Auto-white balance lock is disabled; the AWB 5117 * algorithm is free to update its parameters if in AUTO 5118 * mode.</p> 5119 */ 5120 ACAMERA_CONTROL_AWB_LOCK_OFF = 0, 5121 5122 /** 5123 * <p>Auto-white balance lock is enabled; the AWB 5124 * algorithm will not update its parameters while the lock 5125 * is active.</p> 5126 */ 5127 ACAMERA_CONTROL_AWB_LOCK_ON = 1, 5128 5129 } acamera_metadata_enum_android_control_awb_lock_t; 5130 5131 // ACAMERA_CONTROL_AWB_MODE 5132 typedef enum acamera_metadata_enum_acamera_control_awb_mode { 5133 /** 5134 * <p>The camera device's auto-white balance routine is disabled.</p> 5135 * <p>The application-selected color transform matrix 5136 * (ACAMERA_COLOR_CORRECTION_TRANSFORM) and gains 5137 * (ACAMERA_COLOR_CORRECTION_GAINS) are used by the camera 5138 * device for manual white balance control.</p> 5139 * 5140 * @see ACAMERA_COLOR_CORRECTION_GAINS 5141 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5142 */ 5143 ACAMERA_CONTROL_AWB_MODE_OFF = 0, 5144 5145 /** 5146 * <p>The camera device's auto-white balance routine is active.</p> 5147 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5148 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5149 * For devices that support the MANUAL_POST_PROCESSING capability, the 5150 * values used by the camera device for the transform and gains 5151 * will be available in the capture result for this request.</p> 5152 * 5153 * @see ACAMERA_COLOR_CORRECTION_GAINS 5154 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5155 */ 5156 ACAMERA_CONTROL_AWB_MODE_AUTO = 1, 5157 5158 /** 5159 * <p>The camera device's auto-white balance routine is disabled; 5160 * the camera device uses incandescent light as the assumed scene 5161 * illumination for white balance.</p> 5162 * <p>While the exact white balance transforms are up to the 5163 * camera device, they will approximately match the CIE 5164 * standard illuminant A.</p> 5165 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5166 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5167 * For devices that support the MANUAL_POST_PROCESSING capability, the 5168 * values used by the camera device for the transform and gains 5169 * will be available in the capture result for this request.</p> 5170 * 5171 * @see ACAMERA_COLOR_CORRECTION_GAINS 5172 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5173 */ 5174 ACAMERA_CONTROL_AWB_MODE_INCANDESCENT = 2, 5175 5176 /** 5177 * <p>The camera device's auto-white balance routine is disabled; 5178 * the camera device uses fluorescent light as the assumed scene 5179 * illumination for white balance.</p> 5180 * <p>While the exact white balance transforms are up to the 5181 * camera device, they will approximately match the CIE 5182 * standard illuminant F2.</p> 5183 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5184 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5185 * For devices that support the MANUAL_POST_PROCESSING capability, the 5186 * values used by the camera device for the transform and gains 5187 * will be available in the capture result for this request.</p> 5188 * 5189 * @see ACAMERA_COLOR_CORRECTION_GAINS 5190 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5191 */ 5192 ACAMERA_CONTROL_AWB_MODE_FLUORESCENT = 3, 5193 5194 /** 5195 * <p>The camera device's auto-white balance routine is disabled; 5196 * the camera device uses warm fluorescent light as the assumed scene 5197 * illumination for white balance.</p> 5198 * <p>While the exact white balance transforms are up to the 5199 * camera device, they will approximately match the CIE 5200 * standard illuminant F4.</p> 5201 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5202 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5203 * For devices that support the MANUAL_POST_PROCESSING capability, the 5204 * values used by the camera device for the transform and gains 5205 * will be available in the capture result for this request.</p> 5206 * 5207 * @see ACAMERA_COLOR_CORRECTION_GAINS 5208 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5209 */ 5210 ACAMERA_CONTROL_AWB_MODE_WARM_FLUORESCENT = 4, 5211 5212 /** 5213 * <p>The camera device's auto-white balance routine is disabled; 5214 * the camera device uses daylight light as the assumed scene 5215 * illumination for white balance.</p> 5216 * <p>While the exact white balance transforms are up to the 5217 * camera device, they will approximately match the CIE 5218 * standard illuminant D65.</p> 5219 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5220 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5221 * For devices that support the MANUAL_POST_PROCESSING capability, the 5222 * values used by the camera device for the transform and gains 5223 * will be available in the capture result for this request.</p> 5224 * 5225 * @see ACAMERA_COLOR_CORRECTION_GAINS 5226 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5227 */ 5228 ACAMERA_CONTROL_AWB_MODE_DAYLIGHT = 5, 5229 5230 /** 5231 * <p>The camera device's auto-white balance routine is disabled; 5232 * the camera device uses cloudy daylight light as the assumed scene 5233 * illumination for white balance.</p> 5234 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5235 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5236 * For devices that support the MANUAL_POST_PROCESSING capability, the 5237 * values used by the camera device for the transform and gains 5238 * will be available in the capture result for this request.</p> 5239 * 5240 * @see ACAMERA_COLOR_CORRECTION_GAINS 5241 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5242 */ 5243 ACAMERA_CONTROL_AWB_MODE_CLOUDY_DAYLIGHT = 6, 5244 5245 /** 5246 * <p>The camera device's auto-white balance routine is disabled; 5247 * the camera device uses twilight light as the assumed scene 5248 * illumination for white balance.</p> 5249 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5250 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5251 * For devices that support the MANUAL_POST_PROCESSING capability, the 5252 * values used by the camera device for the transform and gains 5253 * will be available in the capture result for this request.</p> 5254 * 5255 * @see ACAMERA_COLOR_CORRECTION_GAINS 5256 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5257 */ 5258 ACAMERA_CONTROL_AWB_MODE_TWILIGHT = 7, 5259 5260 /** 5261 * <p>The camera device's auto-white balance routine is disabled; 5262 * the camera device uses shade light as the assumed scene 5263 * illumination for white balance.</p> 5264 * <p>The application's values for ACAMERA_COLOR_CORRECTION_TRANSFORM 5265 * and ACAMERA_COLOR_CORRECTION_GAINS are ignored. 5266 * For devices that support the MANUAL_POST_PROCESSING capability, the 5267 * values used by the camera device for the transform and gains 5268 * will be available in the capture result for this request.</p> 5269 * 5270 * @see ACAMERA_COLOR_CORRECTION_GAINS 5271 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 5272 */ 5273 ACAMERA_CONTROL_AWB_MODE_SHADE = 8, 5274 5275 } acamera_metadata_enum_android_control_awb_mode_t; 5276 5277 // ACAMERA_CONTROL_CAPTURE_INTENT 5278 typedef enum acamera_metadata_enum_acamera_control_capture_intent { 5279 /** 5280 * <p>The goal of this request doesn't fall into the other 5281 * categories. The camera device will default to preview-like 5282 * behavior.</p> 5283 */ 5284 ACAMERA_CONTROL_CAPTURE_INTENT_CUSTOM = 0, 5285 5286 /** 5287 * <p>This request is for a preview-like use case.</p> 5288 * <p>The precapture trigger may be used to start off a metering 5289 * w/flash sequence.</p> 5290 */ 5291 ACAMERA_CONTROL_CAPTURE_INTENT_PREVIEW = 1, 5292 5293 /** 5294 * <p>This request is for a still capture-type 5295 * use case.</p> 5296 * <p>If the flash unit is under automatic control, it may fire as needed.</p> 5297 */ 5298 ACAMERA_CONTROL_CAPTURE_INTENT_STILL_CAPTURE = 2, 5299 5300 /** 5301 * <p>This request is for a video recording 5302 * use case.</p> 5303 */ 5304 ACAMERA_CONTROL_CAPTURE_INTENT_VIDEO_RECORD = 3, 5305 5306 /** 5307 * <p>This request is for a video snapshot (still 5308 * image while recording video) use case.</p> 5309 * <p>The camera device should take the highest-quality image 5310 * possible (given the other settings) without disrupting the 5311 * frame rate of video recording. </p> 5312 */ 5313 ACAMERA_CONTROL_CAPTURE_INTENT_VIDEO_SNAPSHOT = 4, 5314 5315 /** 5316 * <p>This request is for a ZSL usecase; the 5317 * application will stream full-resolution images and 5318 * reprocess one or several later for a final 5319 * capture.</p> 5320 */ 5321 ACAMERA_CONTROL_CAPTURE_INTENT_ZERO_SHUTTER_LAG = 5, 5322 5323 /** 5324 * <p>This request is for manual capture use case where 5325 * the applications want to directly control the capture parameters.</p> 5326 * <p>For example, the application may wish to manually control 5327 * ACAMERA_SENSOR_EXPOSURE_TIME, ACAMERA_SENSOR_SENSITIVITY, etc.</p> 5328 * 5329 * @see ACAMERA_SENSOR_EXPOSURE_TIME 5330 * @see ACAMERA_SENSOR_SENSITIVITY 5331 */ 5332 ACAMERA_CONTROL_CAPTURE_INTENT_MANUAL = 6, 5333 5334 } acamera_metadata_enum_android_control_capture_intent_t; 5335 5336 // ACAMERA_CONTROL_EFFECT_MODE 5337 typedef enum acamera_metadata_enum_acamera_control_effect_mode { 5338 /** 5339 * <p>No color effect will be applied.</p> 5340 */ 5341 ACAMERA_CONTROL_EFFECT_MODE_OFF = 0, 5342 5343 /** 5344 * <p>A "monocolor" effect where the image is mapped into 5345 * a single color.</p> 5346 * <p>This will typically be grayscale.</p> 5347 */ 5348 ACAMERA_CONTROL_EFFECT_MODE_MONO = 1, 5349 5350 /** 5351 * <p>A "photo-negative" effect where the image's colors 5352 * are inverted.</p> 5353 */ 5354 ACAMERA_CONTROL_EFFECT_MODE_NEGATIVE = 2, 5355 5356 /** 5357 * <p>A "solarisation" effect (Sabattier effect) where the 5358 * image is wholly or partially reversed in 5359 * tone.</p> 5360 */ 5361 ACAMERA_CONTROL_EFFECT_MODE_SOLARIZE = 3, 5362 5363 /** 5364 * <p>A "sepia" effect where the image is mapped into warm 5365 * gray, red, and brown tones.</p> 5366 */ 5367 ACAMERA_CONTROL_EFFECT_MODE_SEPIA = 4, 5368 5369 /** 5370 * <p>A "posterization" effect where the image uses 5371 * discrete regions of tone rather than a continuous 5372 * gradient of tones.</p> 5373 */ 5374 ACAMERA_CONTROL_EFFECT_MODE_POSTERIZE = 5, 5375 5376 /** 5377 * <p>A "whiteboard" effect where the image is typically displayed 5378 * as regions of white, with black or grey details.</p> 5379 */ 5380 ACAMERA_CONTROL_EFFECT_MODE_WHITEBOARD = 6, 5381 5382 /** 5383 * <p>A "blackboard" effect where the image is typically displayed 5384 * as regions of black, with white or grey details.</p> 5385 */ 5386 ACAMERA_CONTROL_EFFECT_MODE_BLACKBOARD = 7, 5387 5388 /** 5389 * <p>An "aqua" effect where a blue hue is added to the image.</p> 5390 */ 5391 ACAMERA_CONTROL_EFFECT_MODE_AQUA = 8, 5392 5393 } acamera_metadata_enum_android_control_effect_mode_t; 5394 5395 // ACAMERA_CONTROL_MODE 5396 typedef enum acamera_metadata_enum_acamera_control_mode { 5397 /** 5398 * <p>Full application control of pipeline.</p> 5399 * <p>All control by the device's metering and focusing (3A) 5400 * routines is disabled, and no other settings in 5401 * ACAMERA_CONTROL_* have any effect, except that 5402 * ACAMERA_CONTROL_CAPTURE_INTENT may be used by the camera 5403 * device to select post-processing values for processing 5404 * blocks that do not allow for manual control, or are not 5405 * exposed by the camera API.</p> 5406 * <p>However, the camera device's 3A routines may continue to 5407 * collect statistics and update their internal state so that 5408 * when control is switched to AUTO mode, good control values 5409 * can be immediately applied.</p> 5410 * 5411 * @see ACAMERA_CONTROL_CAPTURE_INTENT 5412 */ 5413 ACAMERA_CONTROL_MODE_OFF = 0, 5414 5415 /** 5416 * <p>Use settings for each individual 3A routine.</p> 5417 * <p>Manual control of capture parameters is disabled. All 5418 * controls in ACAMERA_CONTROL_* besides sceneMode take 5419 * effect.</p> 5420 */ 5421 ACAMERA_CONTROL_MODE_AUTO = 1, 5422 5423 /** 5424 * <p>Use a specific scene mode.</p> 5425 * <p>Enabling this disables control.aeMode, control.awbMode and 5426 * control.afMode controls; the camera device will ignore 5427 * those settings while USE_SCENE_MODE is active (except for 5428 * FACE_PRIORITY scene mode). Other control entries are still active. 5429 * This setting can only be used if scene mode is supported (i.e. 5430 * ACAMERA_CONTROL_AVAILABLE_SCENE_MODES 5431 * contain some modes other than DISABLED).</p> 5432 * 5433 * @see ACAMERA_CONTROL_AVAILABLE_SCENE_MODES 5434 */ 5435 ACAMERA_CONTROL_MODE_USE_SCENE_MODE = 2, 5436 5437 /** 5438 * <p>Same as OFF mode, except that this capture will not be 5439 * used by camera device background auto-exposure, auto-white balance and 5440 * auto-focus algorithms (3A) to update their statistics.</p> 5441 * <p>Specifically, the 3A routines are locked to the last 5442 * values set from a request with AUTO, OFF, or 5443 * USE_SCENE_MODE, and any statistics or state updates 5444 * collected from manual captures with OFF_KEEP_STATE will be 5445 * discarded by the camera device.</p> 5446 */ 5447 ACAMERA_CONTROL_MODE_OFF_KEEP_STATE = 3, 5448 5449 } acamera_metadata_enum_android_control_mode_t; 5450 5451 // ACAMERA_CONTROL_SCENE_MODE 5452 typedef enum acamera_metadata_enum_acamera_control_scene_mode { 5453 /** 5454 * <p>Indicates that no scene modes are set for a given capture request.</p> 5455 */ 5456 ACAMERA_CONTROL_SCENE_MODE_DISABLED = 0, 5457 5458 /** 5459 * <p>If face detection support exists, use face 5460 * detection data for auto-focus, auto-white balance, and 5461 * auto-exposure routines.</p> 5462 * <p>If face detection statistics are disabled 5463 * (i.e. ACAMERA_STATISTICS_FACE_DETECT_MODE is set to OFF), 5464 * this should still operate correctly (but will not return 5465 * face detection statistics to the framework).</p> 5466 * <p>Unlike the other scene modes, ACAMERA_CONTROL_AE_MODE, 5467 * ACAMERA_CONTROL_AWB_MODE, and ACAMERA_CONTROL_AF_MODE 5468 * remain active when FACE_PRIORITY is set.</p> 5469 * 5470 * @see ACAMERA_CONTROL_AE_MODE 5471 * @see ACAMERA_CONTROL_AF_MODE 5472 * @see ACAMERA_CONTROL_AWB_MODE 5473 * @see ACAMERA_STATISTICS_FACE_DETECT_MODE 5474 */ 5475 ACAMERA_CONTROL_SCENE_MODE_FACE_PRIORITY = 1, 5476 5477 /** 5478 * <p>Optimized for photos of quickly moving objects.</p> 5479 * <p>Similar to SPORTS.</p> 5480 */ 5481 ACAMERA_CONTROL_SCENE_MODE_ACTION = 2, 5482 5483 /** 5484 * <p>Optimized for still photos of people.</p> 5485 */ 5486 ACAMERA_CONTROL_SCENE_MODE_PORTRAIT = 3, 5487 5488 /** 5489 * <p>Optimized for photos of distant macroscopic objects.</p> 5490 */ 5491 ACAMERA_CONTROL_SCENE_MODE_LANDSCAPE = 4, 5492 5493 /** 5494 * <p>Optimized for low-light settings.</p> 5495 */ 5496 ACAMERA_CONTROL_SCENE_MODE_NIGHT = 5, 5497 5498 /** 5499 * <p>Optimized for still photos of people in low-light 5500 * settings.</p> 5501 */ 5502 ACAMERA_CONTROL_SCENE_MODE_NIGHT_PORTRAIT = 6, 5503 5504 /** 5505 * <p>Optimized for dim, indoor settings where flash must 5506 * remain off.</p> 5507 */ 5508 ACAMERA_CONTROL_SCENE_MODE_THEATRE = 7, 5509 5510 /** 5511 * <p>Optimized for bright, outdoor beach settings.</p> 5512 */ 5513 ACAMERA_CONTROL_SCENE_MODE_BEACH = 8, 5514 5515 /** 5516 * <p>Optimized for bright, outdoor settings containing snow.</p> 5517 */ 5518 ACAMERA_CONTROL_SCENE_MODE_SNOW = 9, 5519 5520 /** 5521 * <p>Optimized for scenes of the setting sun.</p> 5522 */ 5523 ACAMERA_CONTROL_SCENE_MODE_SUNSET = 10, 5524 5525 /** 5526 * <p>Optimized to avoid blurry photos due to small amounts of 5527 * device motion (for example: due to hand shake).</p> 5528 */ 5529 ACAMERA_CONTROL_SCENE_MODE_STEADYPHOTO = 11, 5530 5531 /** 5532 * <p>Optimized for nighttime photos of fireworks.</p> 5533 */ 5534 ACAMERA_CONTROL_SCENE_MODE_FIREWORKS = 12, 5535 5536 /** 5537 * <p>Optimized for photos of quickly moving people.</p> 5538 * <p>Similar to ACTION.</p> 5539 */ 5540 ACAMERA_CONTROL_SCENE_MODE_SPORTS = 13, 5541 5542 /** 5543 * <p>Optimized for dim, indoor settings with multiple moving 5544 * people.</p> 5545 */ 5546 ACAMERA_CONTROL_SCENE_MODE_PARTY = 14, 5547 5548 /** 5549 * <p>Optimized for dim settings where the main light source 5550 * is a flame.</p> 5551 */ 5552 ACAMERA_CONTROL_SCENE_MODE_CANDLELIGHT = 15, 5553 5554 /** 5555 * <p>Optimized for accurately capturing a photo of barcode 5556 * for use by camera applications that wish to read the 5557 * barcode value.</p> 5558 */ 5559 ACAMERA_CONTROL_SCENE_MODE_BARCODE = 16, 5560 5561 /** 5562 * <p>Turn on a device-specific high dynamic range (HDR) mode.</p> 5563 * <p>In this scene mode, the camera device captures images 5564 * that keep a larger range of scene illumination levels 5565 * visible in the final image. For example, when taking a 5566 * picture of a object in front of a bright window, both 5567 * the object and the scene through the window may be 5568 * visible when using HDR mode, while in normal AUTO mode, 5569 * one or the other may be poorly exposed. As a tradeoff, 5570 * HDR mode generally takes much longer to capture a single 5571 * image, has no user control, and may have other artifacts 5572 * depending on the HDR method used.</p> 5573 * <p>Therefore, HDR captures operate at a much slower rate 5574 * than regular captures.</p> 5575 * <p>In this mode, on LIMITED or FULL devices, when a request 5576 * is made with a ACAMERA_CONTROL_CAPTURE_INTENT of 5577 * STILL_CAPTURE, the camera device will capture an image 5578 * using a high dynamic range capture technique. On LEGACY 5579 * devices, captures that target a JPEG-format output will 5580 * be captured with HDR, and the capture intent is not 5581 * relevant.</p> 5582 * <p>The HDR capture may involve the device capturing a burst 5583 * of images internally and combining them into one, or it 5584 * may involve the device using specialized high dynamic 5585 * range capture hardware. In all cases, a single image is 5586 * produced in response to a capture request submitted 5587 * while in HDR mode.</p> 5588 * <p>Since substantial post-processing is generally needed to 5589 * produce an HDR image, only YUV, PRIVATE, and JPEG 5590 * outputs are supported for LIMITED/FULL device HDR 5591 * captures, and only JPEG outputs are supported for LEGACY 5592 * HDR captures. Using a RAW output for HDR capture is not 5593 * supported.</p> 5594 * <p>Some devices may also support always-on HDR, which 5595 * applies HDR processing at full frame rate. For these 5596 * devices, intents other than STILL_CAPTURE will also 5597 * produce an HDR output with no frame rate impact compared 5598 * to normal operation, though the quality may be lower 5599 * than for STILL_CAPTURE intents.</p> 5600 * <p>If SCENE_MODE_HDR is used with unsupported output types 5601 * or capture intents, the images captured will be as if 5602 * the SCENE_MODE was not enabled at all.</p> 5603 * 5604 * @see ACAMERA_CONTROL_CAPTURE_INTENT 5605 */ 5606 ACAMERA_CONTROL_SCENE_MODE_HDR = 18, 5607 5608 } acamera_metadata_enum_android_control_scene_mode_t; 5609 5610 // ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE 5611 typedef enum acamera_metadata_enum_acamera_control_video_stabilization_mode { 5612 /** 5613 * <p>Video stabilization is disabled.</p> 5614 */ 5615 ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE_OFF = 0, 5616 5617 /** 5618 * <p>Video stabilization is enabled.</p> 5619 */ 5620 ACAMERA_CONTROL_VIDEO_STABILIZATION_MODE_ON = 1, 5621 5622 } acamera_metadata_enum_android_control_video_stabilization_mode_t; 5623 5624 // ACAMERA_CONTROL_AE_STATE 5625 typedef enum acamera_metadata_enum_acamera_control_ae_state { 5626 /** 5627 * <p>AE is off or recently reset.</p> 5628 * <p>When a camera device is opened, it starts in 5629 * this state. This is a transient state, the camera device may skip reporting 5630 * this state in capture result.</p> 5631 */ 5632 ACAMERA_CONTROL_AE_STATE_INACTIVE = 0, 5633 5634 /** 5635 * <p>AE doesn't yet have a good set of control values 5636 * for the current scene.</p> 5637 * <p>This is a transient state, the camera device may skip 5638 * reporting this state in capture result.</p> 5639 */ 5640 ACAMERA_CONTROL_AE_STATE_SEARCHING = 1, 5641 5642 /** 5643 * <p>AE has a good set of control values for the 5644 * current scene.</p> 5645 */ 5646 ACAMERA_CONTROL_AE_STATE_CONVERGED = 2, 5647 5648 /** 5649 * <p>AE has been locked.</p> 5650 */ 5651 ACAMERA_CONTROL_AE_STATE_LOCKED = 3, 5652 5653 /** 5654 * <p>AE has a good set of control values, but flash 5655 * needs to be fired for good quality still 5656 * capture.</p> 5657 */ 5658 ACAMERA_CONTROL_AE_STATE_FLASH_REQUIRED = 4, 5659 5660 /** 5661 * <p>AE has been asked to do a precapture sequence 5662 * and is currently executing it.</p> 5663 * <p>Precapture can be triggered through setting 5664 * ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER to START. Currently 5665 * active and completed (if it causes camera device internal AE lock) precapture 5666 * metering sequence can be canceled through setting 5667 * ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER to CANCEL.</p> 5668 * <p>Once PRECAPTURE completes, AE will transition to CONVERGED 5669 * or FLASH_REQUIRED as appropriate. This is a transient 5670 * state, the camera device may skip reporting this state in 5671 * capture result.</p> 5672 * 5673 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 5674 */ 5675 ACAMERA_CONTROL_AE_STATE_PRECAPTURE = 5, 5676 5677 } acamera_metadata_enum_android_control_ae_state_t; 5678 5679 // ACAMERA_CONTROL_AF_STATE 5680 typedef enum acamera_metadata_enum_acamera_control_af_state { 5681 /** 5682 * <p>AF is off or has not yet tried to scan/been asked 5683 * to scan.</p> 5684 * <p>When a camera device is opened, it starts in this 5685 * state. This is a transient state, the camera device may 5686 * skip reporting this state in capture 5687 * result.</p> 5688 */ 5689 ACAMERA_CONTROL_AF_STATE_INACTIVE = 0, 5690 5691 /** 5692 * <p>AF is currently performing an AF scan initiated the 5693 * camera device in a continuous autofocus mode.</p> 5694 * <p>Only used by CONTINUOUS_* AF modes. This is a transient 5695 * state, the camera device may skip reporting this state in 5696 * capture result.</p> 5697 */ 5698 ACAMERA_CONTROL_AF_STATE_PASSIVE_SCAN = 1, 5699 5700 /** 5701 * <p>AF currently believes it is in focus, but may 5702 * restart scanning at any time.</p> 5703 * <p>Only used by CONTINUOUS_* AF modes. This is a transient 5704 * state, the camera device may skip reporting this state in 5705 * capture result.</p> 5706 */ 5707 ACAMERA_CONTROL_AF_STATE_PASSIVE_FOCUSED = 2, 5708 5709 /** 5710 * <p>AF is performing an AF scan because it was 5711 * triggered by AF trigger.</p> 5712 * <p>Only used by AUTO or MACRO AF modes. This is a transient 5713 * state, the camera device may skip reporting this state in 5714 * capture result.</p> 5715 */ 5716 ACAMERA_CONTROL_AF_STATE_ACTIVE_SCAN = 3, 5717 5718 /** 5719 * <p>AF believes it is focused correctly and has locked 5720 * focus.</p> 5721 * <p>This state is reached only after an explicit START AF trigger has been 5722 * sent (ACAMERA_CONTROL_AF_TRIGGER), when good focus has been obtained.</p> 5723 * <p>The lens will remain stationary until the AF mode (ACAMERA_CONTROL_AF_MODE) is changed or 5724 * a new AF trigger is sent to the camera device (ACAMERA_CONTROL_AF_TRIGGER).</p> 5725 * 5726 * @see ACAMERA_CONTROL_AF_MODE 5727 * @see ACAMERA_CONTROL_AF_TRIGGER 5728 */ 5729 ACAMERA_CONTROL_AF_STATE_FOCUSED_LOCKED = 4, 5730 5731 /** 5732 * <p>AF has failed to focus successfully and has locked 5733 * focus.</p> 5734 * <p>This state is reached only after an explicit START AF trigger has been 5735 * sent (ACAMERA_CONTROL_AF_TRIGGER), when good focus cannot be obtained.</p> 5736 * <p>The lens will remain stationary until the AF mode (ACAMERA_CONTROL_AF_MODE) is changed or 5737 * a new AF trigger is sent to the camera device (ACAMERA_CONTROL_AF_TRIGGER).</p> 5738 * 5739 * @see ACAMERA_CONTROL_AF_MODE 5740 * @see ACAMERA_CONTROL_AF_TRIGGER 5741 */ 5742 ACAMERA_CONTROL_AF_STATE_NOT_FOCUSED_LOCKED = 5, 5743 5744 /** 5745 * <p>AF finished a passive scan without finding focus, 5746 * and may restart scanning at any time.</p> 5747 * <p>Only used by CONTINUOUS_* AF modes. This is a transient state, the camera 5748 * device may skip reporting this state in capture result.</p> 5749 * <p>LEGACY camera devices do not support this state. When a passive 5750 * scan has finished, it will always go to PASSIVE_FOCUSED.</p> 5751 */ 5752 ACAMERA_CONTROL_AF_STATE_PASSIVE_UNFOCUSED = 6, 5753 5754 } acamera_metadata_enum_android_control_af_state_t; 5755 5756 // ACAMERA_CONTROL_AWB_STATE 5757 typedef enum acamera_metadata_enum_acamera_control_awb_state { 5758 /** 5759 * <p>AWB is not in auto mode, or has not yet started metering.</p> 5760 * <p>When a camera device is opened, it starts in this 5761 * state. This is a transient state, the camera device may 5762 * skip reporting this state in capture 5763 * result.</p> 5764 */ 5765 ACAMERA_CONTROL_AWB_STATE_INACTIVE = 0, 5766 5767 /** 5768 * <p>AWB doesn't yet have a good set of control 5769 * values for the current scene.</p> 5770 * <p>This is a transient state, the camera device 5771 * may skip reporting this state in capture result.</p> 5772 */ 5773 ACAMERA_CONTROL_AWB_STATE_SEARCHING = 1, 5774 5775 /** 5776 * <p>AWB has a good set of control values for the 5777 * current scene.</p> 5778 */ 5779 ACAMERA_CONTROL_AWB_STATE_CONVERGED = 2, 5780 5781 /** 5782 * <p>AWB has been locked.</p> 5783 */ 5784 ACAMERA_CONTROL_AWB_STATE_LOCKED = 3, 5785 5786 } acamera_metadata_enum_android_control_awb_state_t; 5787 5788 // ACAMERA_CONTROL_AE_LOCK_AVAILABLE 5789 typedef enum acamera_metadata_enum_acamera_control_ae_lock_available { 5790 ACAMERA_CONTROL_AE_LOCK_AVAILABLE_FALSE = 0, 5791 5792 ACAMERA_CONTROL_AE_LOCK_AVAILABLE_TRUE = 1, 5793 5794 } acamera_metadata_enum_android_control_ae_lock_available_t; 5795 5796 // ACAMERA_CONTROL_AWB_LOCK_AVAILABLE 5797 typedef enum acamera_metadata_enum_acamera_control_awb_lock_available { 5798 ACAMERA_CONTROL_AWB_LOCK_AVAILABLE_FALSE = 0, 5799 5800 ACAMERA_CONTROL_AWB_LOCK_AVAILABLE_TRUE = 1, 5801 5802 } acamera_metadata_enum_android_control_awb_lock_available_t; 5803 5804 // ACAMERA_CONTROL_ENABLE_ZSL 5805 typedef enum acamera_metadata_enum_acamera_control_enable_zsl { 5806 /** 5807 * <p>Requests with ACAMERA_CONTROL_CAPTURE_INTENT == STILL_CAPTURE must be captured 5808 * after previous requests.</p> 5809 * 5810 * @see ACAMERA_CONTROL_CAPTURE_INTENT 5811 */ 5812 ACAMERA_CONTROL_ENABLE_ZSL_FALSE = 0, 5813 5814 /** 5815 * <p>Requests with ACAMERA_CONTROL_CAPTURE_INTENT == STILL_CAPTURE may or may not be 5816 * captured before previous requests.</p> 5817 * 5818 * @see ACAMERA_CONTROL_CAPTURE_INTENT 5819 */ 5820 ACAMERA_CONTROL_ENABLE_ZSL_TRUE = 1, 5821 5822 } acamera_metadata_enum_android_control_enable_zsl_t; 5823 5824 5825 5826 // ACAMERA_EDGE_MODE 5827 typedef enum acamera_metadata_enum_acamera_edge_mode { 5828 /** 5829 * <p>No edge enhancement is applied.</p> 5830 */ 5831 ACAMERA_EDGE_MODE_OFF = 0, 5832 5833 /** 5834 * <p>Apply edge enhancement at a quality level that does not slow down frame rate 5835 * relative to sensor output. It may be the same as OFF if edge enhancement will 5836 * slow down frame rate relative to sensor.</p> 5837 */ 5838 ACAMERA_EDGE_MODE_FAST = 1, 5839 5840 /** 5841 * <p>Apply high-quality edge enhancement, at a cost of possibly reduced output frame rate.</p> 5842 */ 5843 ACAMERA_EDGE_MODE_HIGH_QUALITY = 2, 5844 5845 /** 5846 * <p>Edge enhancement is applied at different levels for different output streams, 5847 * based on resolution. Streams at maximum recording resolution (see {@link 5848 * ACameraDevice_createCaptureSession}) or below have 5849 * edge enhancement applied, while higher-resolution streams have no edge enhancement 5850 * applied. The level of edge enhancement for low-resolution streams is tuned so that 5851 * frame rate is not impacted, and the quality is equal to or better than FAST (since it 5852 * is only applied to lower-resolution outputs, quality may improve from FAST).</p> 5853 * <p>This mode is intended to be used by applications operating in a zero-shutter-lag mode 5854 * with YUV or PRIVATE reprocessing, where the application continuously captures 5855 * high-resolution intermediate buffers into a circular buffer, from which a final image is 5856 * produced via reprocessing when a user takes a picture. For such a use case, the 5857 * high-resolution buffers must not have edge enhancement applied to maximize efficiency of 5858 * preview and to avoid double-applying enhancement when reprocessed, while low-resolution 5859 * buffers (used for recording or preview, generally) need edge enhancement applied for 5860 * reasonable preview quality.</p> 5861 * <p>This mode is guaranteed to be supported by devices that support either the 5862 * YUV_REPROCESSING or PRIVATE_REPROCESSING capabilities 5863 * (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES lists either of those capabilities) and it will 5864 * be the default mode for CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG template.</p> 5865 * 5866 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 5867 */ 5868 ACAMERA_EDGE_MODE_ZERO_SHUTTER_LAG = 3, 5869 5870 } acamera_metadata_enum_android_edge_mode_t; 5871 5872 5873 // ACAMERA_FLASH_MODE 5874 typedef enum acamera_metadata_enum_acamera_flash_mode { 5875 /** 5876 * <p>Do not fire the flash for this capture.</p> 5877 */ 5878 ACAMERA_FLASH_MODE_OFF = 0, 5879 5880 /** 5881 * <p>If the flash is available and charged, fire flash 5882 * for this capture.</p> 5883 */ 5884 ACAMERA_FLASH_MODE_SINGLE = 1, 5885 5886 /** 5887 * <p>Transition flash to continuously on.</p> 5888 */ 5889 ACAMERA_FLASH_MODE_TORCH = 2, 5890 5891 } acamera_metadata_enum_android_flash_mode_t; 5892 5893 // ACAMERA_FLASH_STATE 5894 typedef enum acamera_metadata_enum_acamera_flash_state { 5895 /** 5896 * <p>No flash on camera.</p> 5897 */ 5898 ACAMERA_FLASH_STATE_UNAVAILABLE = 0, 5899 5900 /** 5901 * <p>Flash is charging and cannot be fired.</p> 5902 */ 5903 ACAMERA_FLASH_STATE_CHARGING = 1, 5904 5905 /** 5906 * <p>Flash is ready to fire.</p> 5907 */ 5908 ACAMERA_FLASH_STATE_READY = 2, 5909 5910 /** 5911 * <p>Flash fired for this capture.</p> 5912 */ 5913 ACAMERA_FLASH_STATE_FIRED = 3, 5914 5915 /** 5916 * <p>Flash partially illuminated this frame.</p> 5917 * <p>This is usually due to the next or previous frame having 5918 * the flash fire, and the flash spilling into this capture 5919 * due to hardware limitations.</p> 5920 */ 5921 ACAMERA_FLASH_STATE_PARTIAL = 4, 5922 5923 } acamera_metadata_enum_android_flash_state_t; 5924 5925 5926 // ACAMERA_FLASH_INFO_AVAILABLE 5927 typedef enum acamera_metadata_enum_acamera_flash_info_available { 5928 ACAMERA_FLASH_INFO_AVAILABLE_FALSE = 0, 5929 5930 ACAMERA_FLASH_INFO_AVAILABLE_TRUE = 1, 5931 5932 } acamera_metadata_enum_android_flash_info_available_t; 5933 5934 5935 // ACAMERA_HOT_PIXEL_MODE 5936 typedef enum acamera_metadata_enum_acamera_hot_pixel_mode { 5937 /** 5938 * <p>No hot pixel correction is applied.</p> 5939 * <p>The frame rate must not be reduced relative to sensor raw output 5940 * for this option.</p> 5941 * <p>The hotpixel map may be returned in ACAMERA_STATISTICS_HOT_PIXEL_MAP.</p> 5942 * 5943 * @see ACAMERA_STATISTICS_HOT_PIXEL_MAP 5944 */ 5945 ACAMERA_HOT_PIXEL_MODE_OFF = 0, 5946 5947 /** 5948 * <p>Hot pixel correction is applied, without reducing frame 5949 * rate relative to sensor raw output.</p> 5950 * <p>The hotpixel map may be returned in ACAMERA_STATISTICS_HOT_PIXEL_MAP.</p> 5951 * 5952 * @see ACAMERA_STATISTICS_HOT_PIXEL_MAP 5953 */ 5954 ACAMERA_HOT_PIXEL_MODE_FAST = 1, 5955 5956 /** 5957 * <p>High-quality hot pixel correction is applied, at a cost 5958 * of possibly reduced frame rate relative to sensor raw output.</p> 5959 * <p>The hotpixel map may be returned in ACAMERA_STATISTICS_HOT_PIXEL_MAP.</p> 5960 * 5961 * @see ACAMERA_STATISTICS_HOT_PIXEL_MAP 5962 */ 5963 ACAMERA_HOT_PIXEL_MODE_HIGH_QUALITY = 2, 5964 5965 } acamera_metadata_enum_android_hot_pixel_mode_t; 5966 5967 5968 5969 // ACAMERA_LENS_OPTICAL_STABILIZATION_MODE 5970 typedef enum acamera_metadata_enum_acamera_lens_optical_stabilization_mode { 5971 /** 5972 * <p>Optical stabilization is unavailable.</p> 5973 */ 5974 ACAMERA_LENS_OPTICAL_STABILIZATION_MODE_OFF = 0, 5975 5976 /** 5977 * <p>Optical stabilization is enabled.</p> 5978 */ 5979 ACAMERA_LENS_OPTICAL_STABILIZATION_MODE_ON = 1, 5980 5981 } acamera_metadata_enum_android_lens_optical_stabilization_mode_t; 5982 5983 // ACAMERA_LENS_FACING 5984 typedef enum acamera_metadata_enum_acamera_lens_facing { 5985 /** 5986 * <p>The camera device faces the same direction as the device's screen.</p> 5987 */ 5988 ACAMERA_LENS_FACING_FRONT = 0, 5989 5990 /** 5991 * <p>The camera device faces the opposite direction as the device's screen.</p> 5992 */ 5993 ACAMERA_LENS_FACING_BACK = 1, 5994 5995 /** 5996 * <p>The camera device is an external camera, and has no fixed facing relative to the 5997 * device's screen.</p> 5998 */ 5999 ACAMERA_LENS_FACING_EXTERNAL = 2, 6000 6001 } acamera_metadata_enum_android_lens_facing_t; 6002 6003 // ACAMERA_LENS_STATE 6004 typedef enum acamera_metadata_enum_acamera_lens_state { 6005 /** 6006 * <p>The lens parameters (ACAMERA_LENS_FOCAL_LENGTH, ACAMERA_LENS_FOCUS_DISTANCE, 6007 * ACAMERA_LENS_FILTER_DENSITY and ACAMERA_LENS_APERTURE) are not changing.</p> 6008 * 6009 * @see ACAMERA_LENS_APERTURE 6010 * @see ACAMERA_LENS_FILTER_DENSITY 6011 * @see ACAMERA_LENS_FOCAL_LENGTH 6012 * @see ACAMERA_LENS_FOCUS_DISTANCE 6013 */ 6014 ACAMERA_LENS_STATE_STATIONARY = 0, 6015 6016 /** 6017 * <p>One or several of the lens parameters 6018 * (ACAMERA_LENS_FOCAL_LENGTH, ACAMERA_LENS_FOCUS_DISTANCE, 6019 * ACAMERA_LENS_FILTER_DENSITY or ACAMERA_LENS_APERTURE) is 6020 * currently changing.</p> 6021 * 6022 * @see ACAMERA_LENS_APERTURE 6023 * @see ACAMERA_LENS_FILTER_DENSITY 6024 * @see ACAMERA_LENS_FOCAL_LENGTH 6025 * @see ACAMERA_LENS_FOCUS_DISTANCE 6026 */ 6027 ACAMERA_LENS_STATE_MOVING = 1, 6028 6029 } acamera_metadata_enum_android_lens_state_t; 6030 6031 6032 // ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION 6033 typedef enum acamera_metadata_enum_acamera_lens_info_focus_distance_calibration { 6034 /** 6035 * <p>The lens focus distance is not accurate, and the units used for 6036 * ACAMERA_LENS_FOCUS_DISTANCE do not correspond to any physical units.</p> 6037 * <p>Setting the lens to the same focus distance on separate occasions may 6038 * result in a different real focus distance, depending on factors such 6039 * as the orientation of the device, the age of the focusing mechanism, 6040 * and the device temperature. The focus distance value will still be 6041 * in the range of <code>[0, ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE]</code>, where 0 6042 * represents the farthest focus.</p> 6043 * 6044 * @see ACAMERA_LENS_FOCUS_DISTANCE 6045 * @see ACAMERA_LENS_INFO_MINIMUM_FOCUS_DISTANCE 6046 */ 6047 ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED = 0, 6048 6049 /** 6050 * <p>The lens focus distance is measured in diopters.</p> 6051 * <p>However, setting the lens to the same focus distance 6052 * on separate occasions may result in a different real 6053 * focus distance, depending on factors such as the 6054 * orientation of the device, the age of the focusing 6055 * mechanism, and the device temperature.</p> 6056 */ 6057 ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_APPROXIMATE = 1, 6058 6059 /** 6060 * <p>The lens focus distance is measured in diopters, and 6061 * is calibrated.</p> 6062 * <p>The lens mechanism is calibrated so that setting the 6063 * same focus distance is repeatable on multiple 6064 * occasions with good accuracy, and the focus distance 6065 * corresponds to the real physical distance to the plane 6066 * of best focus.</p> 6067 */ 6068 ACAMERA_LENS_INFO_FOCUS_DISTANCE_CALIBRATION_CALIBRATED = 2, 6069 6070 } acamera_metadata_enum_android_lens_info_focus_distance_calibration_t; 6071 6072 6073 // ACAMERA_NOISE_REDUCTION_MODE 6074 typedef enum acamera_metadata_enum_acamera_noise_reduction_mode { 6075 /** 6076 * <p>No noise reduction is applied.</p> 6077 */ 6078 ACAMERA_NOISE_REDUCTION_MODE_OFF = 0, 6079 6080 /** 6081 * <p>Noise reduction is applied without reducing frame rate relative to sensor 6082 * output. It may be the same as OFF if noise reduction will reduce frame rate 6083 * relative to sensor.</p> 6084 */ 6085 ACAMERA_NOISE_REDUCTION_MODE_FAST = 1, 6086 6087 /** 6088 * <p>High-quality noise reduction is applied, at the cost of possibly reduced frame 6089 * rate relative to sensor output.</p> 6090 */ 6091 ACAMERA_NOISE_REDUCTION_MODE_HIGH_QUALITY = 2, 6092 6093 /** 6094 * <p>MINIMAL noise reduction is applied without reducing frame rate relative to 6095 * sensor output. </p> 6096 */ 6097 ACAMERA_NOISE_REDUCTION_MODE_MINIMAL = 3, 6098 6099 /** 6100 * <p>Noise reduction is applied at different levels for different output streams, 6101 * based on resolution. Streams at maximum recording resolution (see {@link 6102 * ACameraDevice_createCaptureSession}) or below have noise 6103 * reduction applied, while higher-resolution streams have MINIMAL (if supported) or no 6104 * noise reduction applied (if MINIMAL is not supported.) The degree of noise reduction 6105 * for low-resolution streams is tuned so that frame rate is not impacted, and the quality 6106 * is equal to or better than FAST (since it is only applied to lower-resolution outputs, 6107 * quality may improve from FAST).</p> 6108 * <p>This mode is intended to be used by applications operating in a zero-shutter-lag mode 6109 * with YUV or PRIVATE reprocessing, where the application continuously captures 6110 * high-resolution intermediate buffers into a circular buffer, from which a final image is 6111 * produced via reprocessing when a user takes a picture. For such a use case, the 6112 * high-resolution buffers must not have noise reduction applied to maximize efficiency of 6113 * preview and to avoid over-applying noise filtering when reprocessing, while 6114 * low-resolution buffers (used for recording or preview, generally) need noise reduction 6115 * applied for reasonable preview quality.</p> 6116 * <p>This mode is guaranteed to be supported by devices that support either the 6117 * YUV_REPROCESSING or PRIVATE_REPROCESSING capabilities 6118 * (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES lists either of those capabilities) and it will 6119 * be the default mode for CAMERA3_TEMPLATE_ZERO_SHUTTER_LAG template.</p> 6120 * 6121 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 6122 */ 6123 ACAMERA_NOISE_REDUCTION_MODE_ZERO_SHUTTER_LAG = 4, 6124 6125 } acamera_metadata_enum_android_noise_reduction_mode_t; 6126 6127 6128 6129 // ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 6130 typedef enum acamera_metadata_enum_acamera_request_available_capabilities { 6131 /** 6132 * <p>The minimal set of capabilities that every camera 6133 * device (regardless of ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL) 6134 * supports.</p> 6135 * <p>This capability is listed by all normal devices, and 6136 * indicates that the camera device has a feature set 6137 * that's comparable to the baseline requirements for the 6138 * older android.hardware.Camera API.</p> 6139 * <p>Devices with the DEPTH_OUTPUT capability might not list this 6140 * capability, indicating that they support only depth measurement, 6141 * not standard color output.</p> 6142 * 6143 * @see ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL 6144 */ 6145 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE = 0, 6146 6147 /** 6148 * <p>The camera device can be manually controlled (3A algorithms such 6149 * as auto-exposure, and auto-focus can be bypassed). 6150 * The camera device supports basic manual control of the sensor image 6151 * acquisition related stages. This means the following controls are 6152 * guaranteed to be supported:</p> 6153 * <ul> 6154 * <li>Manual frame duration control<ul> 6155 * <li>ACAMERA_SENSOR_FRAME_DURATION</li> 6156 * <li>ACAMERA_SENSOR_INFO_MAX_FRAME_DURATION</li> 6157 * </ul> 6158 * </li> 6159 * <li>Manual exposure control<ul> 6160 * <li>ACAMERA_SENSOR_EXPOSURE_TIME</li> 6161 * <li>ACAMERA_SENSOR_INFO_EXPOSURE_TIME_RANGE</li> 6162 * </ul> 6163 * </li> 6164 * <li>Manual sensitivity control<ul> 6165 * <li>ACAMERA_SENSOR_SENSITIVITY</li> 6166 * <li>ACAMERA_SENSOR_INFO_SENSITIVITY_RANGE</li> 6167 * </ul> 6168 * </li> 6169 * <li>Manual lens control (if the lens is adjustable)<ul> 6170 * <li>ACAMERA_LENS_*</li> 6171 * </ul> 6172 * </li> 6173 * <li>Manual flash control (if a flash unit is present)<ul> 6174 * <li>ACAMERA_FLASH_*</li> 6175 * </ul> 6176 * </li> 6177 * <li>Manual black level locking<ul> 6178 * <li>ACAMERA_BLACK_LEVEL_LOCK</li> 6179 * </ul> 6180 * </li> 6181 * <li>Auto exposure lock<ul> 6182 * <li>ACAMERA_CONTROL_AE_LOCK</li> 6183 * </ul> 6184 * </li> 6185 * </ul> 6186 * <p>If any of the above 3A algorithms are enabled, then the camera 6187 * device will accurately report the values applied by 3A in the 6188 * result.</p> 6189 * <p>A given camera device may also support additional manual sensor controls, 6190 * but this capability only covers the above list of controls.</p> 6191 * <p>If this is supported, android.scaler.streamConfigurationMap will 6192 * additionally return a min frame duration that is greater than 6193 * zero for each supported size-format combination.</p> 6194 * 6195 * @see ACAMERA_BLACK_LEVEL_LOCK 6196 * @see ACAMERA_CONTROL_AE_LOCK 6197 * @see ACAMERA_SENSOR_EXPOSURE_TIME 6198 * @see ACAMERA_SENSOR_FRAME_DURATION 6199 * @see ACAMERA_SENSOR_INFO_EXPOSURE_TIME_RANGE 6200 * @see ACAMERA_SENSOR_INFO_MAX_FRAME_DURATION 6201 * @see ACAMERA_SENSOR_INFO_SENSITIVITY_RANGE 6202 * @see ACAMERA_SENSOR_SENSITIVITY 6203 */ 6204 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR = 1, 6205 6206 /** 6207 * <p>The camera device post-processing stages can be manually controlled. 6208 * The camera device supports basic manual control of the image post-processing 6209 * stages. This means the following controls are guaranteed to be supported:</p> 6210 * <ul> 6211 * <li> 6212 * <p>Manual tonemap control</p> 6213 * <ul> 6214 * <li>android.tonemap.curve</li> 6215 * <li>ACAMERA_TONEMAP_MODE</li> 6216 * <li>ACAMERA_TONEMAP_MAX_CURVE_POINTS</li> 6217 * <li>ACAMERA_TONEMAP_GAMMA</li> 6218 * <li>ACAMERA_TONEMAP_PRESET_CURVE</li> 6219 * </ul> 6220 * </li> 6221 * <li> 6222 * <p>Manual white balance control</p> 6223 * <ul> 6224 * <li>ACAMERA_COLOR_CORRECTION_TRANSFORM</li> 6225 * <li>ACAMERA_COLOR_CORRECTION_GAINS</li> 6226 * </ul> 6227 * </li> 6228 * <li>Manual lens shading map control<ul> 6229 * <li>ACAMERA_SHADING_MODE</li> 6230 * <li>ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE</li> 6231 * <li>ACAMERA_STATISTICS_LENS_SHADING_MAP</li> 6232 * <li>ACAMERA_LENS_INFO_SHADING_MAP_SIZE</li> 6233 * </ul> 6234 * </li> 6235 * <li>Manual aberration correction control (if aberration correction is supported)<ul> 6236 * <li>ACAMERA_COLOR_CORRECTION_ABERRATION_MODE</li> 6237 * <li>ACAMERA_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES</li> 6238 * </ul> 6239 * </li> 6240 * <li>Auto white balance lock<ul> 6241 * <li>ACAMERA_CONTROL_AWB_LOCK</li> 6242 * </ul> 6243 * </li> 6244 * </ul> 6245 * <p>If auto white balance is enabled, then the camera device 6246 * will accurately report the values applied by AWB in the result.</p> 6247 * <p>A given camera device may also support additional post-processing 6248 * controls, but this capability only covers the above list of controls.</p> 6249 * 6250 * @see ACAMERA_COLOR_CORRECTION_ABERRATION_MODE 6251 * @see ACAMERA_COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES 6252 * @see ACAMERA_COLOR_CORRECTION_GAINS 6253 * @see ACAMERA_COLOR_CORRECTION_TRANSFORM 6254 * @see ACAMERA_CONTROL_AWB_LOCK 6255 * @see ACAMERA_LENS_INFO_SHADING_MAP_SIZE 6256 * @see ACAMERA_SHADING_MODE 6257 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP 6258 * @see ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE 6259 * @see ACAMERA_TONEMAP_GAMMA 6260 * @see ACAMERA_TONEMAP_MAX_CURVE_POINTS 6261 * @see ACAMERA_TONEMAP_MODE 6262 * @see ACAMERA_TONEMAP_PRESET_CURVE 6263 */ 6264 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING = 2, 6265 6266 /** 6267 * <p>The camera device supports outputting RAW buffers and 6268 * metadata for interpreting them.</p> 6269 * <p>Devices supporting the RAW capability allow both for 6270 * saving DNG files, and for direct application processing of 6271 * raw sensor images.</p> 6272 * <ul> 6273 * <li>RAW_SENSOR is supported as an output format.</li> 6274 * <li>The maximum available resolution for RAW_SENSOR streams 6275 * will match either the value in 6276 * ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE or 6277 * ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE.</li> 6278 * <li>All DNG-related optional metadata entries are provided 6279 * by the camera device.</li> 6280 * </ul> 6281 * 6282 * @see ACAMERA_SENSOR_INFO_PIXEL_ARRAY_SIZE 6283 * @see ACAMERA_SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE 6284 */ 6285 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_RAW = 3, 6286 6287 /** 6288 * <p>The camera device supports accurately reporting the sensor settings for many of 6289 * the sensor controls while the built-in 3A algorithm is running. This allows 6290 * reporting of sensor settings even when these settings cannot be manually changed.</p> 6291 * <p>The values reported for the following controls are guaranteed to be available 6292 * in the CaptureResult, including when 3A is enabled:</p> 6293 * <ul> 6294 * <li>Exposure control<ul> 6295 * <li>ACAMERA_SENSOR_EXPOSURE_TIME</li> 6296 * </ul> 6297 * </li> 6298 * <li>Sensitivity control<ul> 6299 * <li>ACAMERA_SENSOR_SENSITIVITY</li> 6300 * </ul> 6301 * </li> 6302 * <li>Lens controls (if the lens is adjustable)<ul> 6303 * <li>ACAMERA_LENS_FOCUS_DISTANCE</li> 6304 * <li>ACAMERA_LENS_APERTURE</li> 6305 * </ul> 6306 * </li> 6307 * </ul> 6308 * <p>This capability is a subset of the MANUAL_SENSOR control capability, and will 6309 * always be included if the MANUAL_SENSOR capability is available.</p> 6310 * 6311 * @see ACAMERA_LENS_APERTURE 6312 * @see ACAMERA_LENS_FOCUS_DISTANCE 6313 * @see ACAMERA_SENSOR_EXPOSURE_TIME 6314 * @see ACAMERA_SENSOR_SENSITIVITY 6315 */ 6316 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_READ_SENSOR_SETTINGS = 5, 6317 6318 /** 6319 * <p>The camera device supports capturing high-resolution images at >= 20 frames per 6320 * second, in at least the uncompressed YUV format, when post-processing settings are set 6321 * to FAST. Additionally, maximum-resolution images can be captured at >= 10 frames 6322 * per second. Here, 'high resolution' means at least 8 megapixels, or the maximum 6323 * resolution of the device, whichever is smaller.</p> 6324 * <p>More specifically, this means that at least one output {@link 6325 * AIMAGE_FORMAT_YUV_420_888} size listed in 6326 * {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS} is larger or equal to the 6327 * 'high resolution' defined above, and can be captured at at least 20 fps. 6328 * For the largest {@link AIMAGE_FORMAT_YUV_420_888} size listed in 6329 * {@link ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS}, camera device can capture this 6330 * size for at least 10 frames per second. 6331 * Also the ACAMERA_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES entry lists at least one FPS range 6332 * where the minimum FPS is >= 1 / minimumFrameDuration for the largest YUV_420_888 size.</p> 6333 * <p>If the device supports the {@link AIMAGE_FORMAT_RAW10}, {@link 6334 * AIMAGE_FORMAT_RAW12}, then those can also be captured at the same rate 6335 * as the maximum-size YUV_420_888 resolution is.</p> 6336 * <p>In addition, the ACAMERA_SYNC_MAX_LATENCY field is guaranted to have a value between 0 6337 * and 4, inclusive. ACAMERA_CONTROL_AE_LOCK_AVAILABLE and ACAMERA_CONTROL_AWB_LOCK_AVAILABLE 6338 * are also guaranteed to be <code>true</code> so burst capture with these two locks ON yields 6339 * consistent image output.</p> 6340 * 6341 * @see ACAMERA_CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES 6342 * @see ACAMERA_CONTROL_AE_LOCK_AVAILABLE 6343 * @see ACAMERA_CONTROL_AWB_LOCK_AVAILABLE 6344 * @see ACAMERA_SYNC_MAX_LATENCY 6345 */ 6346 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE = 6, 6347 6348 /** 6349 * <p>The camera device can produce depth measurements from its field of view.</p> 6350 * <p>This capability requires the camera device to support the following:</p> 6351 * <ul> 6352 * <li>{@link AIMAGE_FORMAT_DEPTH16} is supported as an output format.</li> 6353 * <li>{@link AIMAGE_FORMAT_DEPTH_POINT_CLOUD} is optionally supported as an 6354 * output format.</li> 6355 * <li>This camera device, and all camera devices with the same ACAMERA_LENS_FACING, 6356 * will list the following calibration entries in {@link ACameraMetadata} from both 6357 * {@link ACameraManager_getCameraCharacteristics} and 6358 * {@link ACameraCaptureSession_captureCallback_result}:<ul> 6359 * <li>ACAMERA_LENS_POSE_TRANSLATION</li> 6360 * <li>ACAMERA_LENS_POSE_ROTATION</li> 6361 * <li>ACAMERA_LENS_INTRINSIC_CALIBRATION</li> 6362 * <li>ACAMERA_LENS_RADIAL_DISTORTION</li> 6363 * </ul> 6364 * </li> 6365 * <li>The ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE entry is listed by this device.</li> 6366 * <li>A LIMITED camera with only the DEPTH_OUTPUT capability does not have to support 6367 * normal YUV_420_888, JPEG, and PRIV-format outputs. It only has to support the DEPTH16 6368 * format.</li> 6369 * </ul> 6370 * <p>Generally, depth output operates at a slower frame rate than standard color capture, 6371 * so the DEPTH16 and DEPTH_POINT_CLOUD formats will commonly have a stall duration that 6372 * should be accounted for (see 6373 * {@link ACAMERA_DEPTH_AVAILABLE_DEPTH_STALL_DURATIONS}). 6374 * On a device that supports both depth and color-based output, to enable smooth preview, 6375 * using a repeating burst is recommended, where a depth-output target is only included 6376 * once every N frames, where N is the ratio between preview output rate and depth output 6377 * rate, including depth stall time.</p> 6378 * 6379 * @see ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE 6380 * @see ACAMERA_LENS_FACING 6381 * @see ACAMERA_LENS_INTRINSIC_CALIBRATION 6382 * @see ACAMERA_LENS_POSE_ROTATION 6383 * @see ACAMERA_LENS_POSE_TRANSLATION 6384 * @see ACAMERA_LENS_RADIAL_DISTORTION 6385 */ 6386 ACAMERA_REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT = 8, 6387 6388 } acamera_metadata_enum_android_request_available_capabilities_t; 6389 6390 6391 // ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS 6392 typedef enum acamera_metadata_enum_acamera_scaler_available_stream_configurations { 6393 ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_OUTPUT = 0, 6394 6395 ACAMERA_SCALER_AVAILABLE_STREAM_CONFIGURATIONS_INPUT = 1, 6396 6397 } acamera_metadata_enum_android_scaler_available_stream_configurations_t; 6398 6399 // ACAMERA_SCALER_CROPPING_TYPE 6400 typedef enum acamera_metadata_enum_acamera_scaler_cropping_type { 6401 /** 6402 * <p>The camera device only supports centered crop regions.</p> 6403 */ 6404 ACAMERA_SCALER_CROPPING_TYPE_CENTER_ONLY = 0, 6405 6406 /** 6407 * <p>The camera device supports arbitrarily chosen crop regions.</p> 6408 */ 6409 ACAMERA_SCALER_CROPPING_TYPE_FREEFORM = 1, 6410 6411 } acamera_metadata_enum_android_scaler_cropping_type_t; 6412 6413 6414 // ACAMERA_SENSOR_REFERENCE_ILLUMINANT1 6415 typedef enum acamera_metadata_enum_acamera_sensor_reference_illuminant1 { 6416 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT = 1, 6417 6418 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_FLUORESCENT = 2, 6419 6420 /** 6421 * <p>Incandescent light</p> 6422 */ 6423 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_TUNGSTEN = 3, 6424 6425 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_FLASH = 4, 6426 6427 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_FINE_WEATHER = 9, 6428 6429 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_CLOUDY_WEATHER = 10, 6430 6431 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_SHADE = 11, 6432 6433 /** 6434 * <p>D 5700 - 7100K</p> 6435 */ 6436 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT_FLUORESCENT = 12, 6437 6438 /** 6439 * <p>N 4600 - 5400K</p> 6440 */ 6441 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_DAY_WHITE_FLUORESCENT = 13, 6442 6443 /** 6444 * <p>W 3900 - 4500K</p> 6445 */ 6446 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_COOL_WHITE_FLUORESCENT = 14, 6447 6448 /** 6449 * <p>WW 3200 - 3700K</p> 6450 */ 6451 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_WHITE_FLUORESCENT = 15, 6452 6453 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_STANDARD_A = 17, 6454 6455 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_STANDARD_B = 18, 6456 6457 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_STANDARD_C = 19, 6458 6459 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_D55 = 20, 6460 6461 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_D65 = 21, 6462 6463 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_D75 = 22, 6464 6465 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_D50 = 23, 6466 6467 ACAMERA_SENSOR_REFERENCE_ILLUMINANT1_ISO_STUDIO_TUNGSTEN = 24, 6468 6469 } acamera_metadata_enum_android_sensor_reference_illuminant1_t; 6470 6471 // ACAMERA_SENSOR_TEST_PATTERN_MODE 6472 typedef enum acamera_metadata_enum_acamera_sensor_test_pattern_mode { 6473 /** 6474 * <p>No test pattern mode is used, and the camera 6475 * device returns captures from the image sensor.</p> 6476 * <p>This is the default if the key is not set.</p> 6477 */ 6478 ACAMERA_SENSOR_TEST_PATTERN_MODE_OFF = 0, 6479 6480 /** 6481 * <p>Each pixel in <code>[R, G_even, G_odd, B]</code> is replaced by its 6482 * respective color channel provided in 6483 * ACAMERA_SENSOR_TEST_PATTERN_DATA.</p> 6484 * <p>For example:</p> 6485 * <pre><code>android.testPatternData = [0, 0xFFFFFFFF, 0xFFFFFFFF, 0] 6486 * </code></pre> 6487 * <p>All green pixels are 100% green. All red/blue pixels are black.</p> 6488 * <pre><code>android.testPatternData = [0xFFFFFFFF, 0, 0xFFFFFFFF, 0] 6489 * </code></pre> 6490 * <p>All red pixels are 100% red. Only the odd green pixels 6491 * are 100% green. All blue pixels are 100% black.</p> 6492 * 6493 * @see ACAMERA_SENSOR_TEST_PATTERN_DATA 6494 */ 6495 ACAMERA_SENSOR_TEST_PATTERN_MODE_SOLID_COLOR = 1, 6496 6497 /** 6498 * <p>All pixel data is replaced with an 8-bar color pattern.</p> 6499 * <p>The vertical bars (left-to-right) are as follows:</p> 6500 * <ul> 6501 * <li>100% white</li> 6502 * <li>yellow</li> 6503 * <li>cyan</li> 6504 * <li>green</li> 6505 * <li>magenta</li> 6506 * <li>red</li> 6507 * <li>blue</li> 6508 * <li>black</li> 6509 * </ul> 6510 * <p>In general the image would look like the following:</p> 6511 * <pre><code>W Y C G M R B K 6512 * W Y C G M R B K 6513 * W Y C G M R B K 6514 * W Y C G M R B K 6515 * W Y C G M R B K 6516 * . . . . . . . . 6517 * . . . . . . . . 6518 * . . . . . . . . 6519 * 6520 * (B = Blue, K = Black) 6521 * </code></pre> 6522 * <p>Each bar should take up 1/8 of the sensor pixel array width. 6523 * When this is not possible, the bar size should be rounded 6524 * down to the nearest integer and the pattern can repeat 6525 * on the right side.</p> 6526 * <p>Each bar's height must always take up the full sensor 6527 * pixel array height.</p> 6528 * <p>Each pixel in this test pattern must be set to either 6529 * 0% intensity or 100% intensity.</p> 6530 */ 6531 ACAMERA_SENSOR_TEST_PATTERN_MODE_COLOR_BARS = 2, 6532 6533 /** 6534 * <p>The test pattern is similar to COLOR_BARS, except that 6535 * each bar should start at its specified color at the top, 6536 * and fade to gray at the bottom.</p> 6537 * <p>Furthermore each bar is further subdivided into a left and 6538 * right half. The left half should have a smooth gradient, 6539 * and the right half should have a quantized gradient.</p> 6540 * <p>In particular, the right half's should consist of blocks of the 6541 * same color for 1/16th active sensor pixel array width.</p> 6542 * <p>The least significant bits in the quantized gradient should 6543 * be copied from the most significant bits of the smooth gradient.</p> 6544 * <p>The height of each bar should always be a multiple of 128. 6545 * When this is not the case, the pattern should repeat at the bottom 6546 * of the image.</p> 6547 */ 6548 ACAMERA_SENSOR_TEST_PATTERN_MODE_COLOR_BARS_FADE_TO_GRAY = 3, 6549 6550 /** 6551 * <p>All pixel data is replaced by a pseudo-random sequence 6552 * generated from a PN9 512-bit sequence (typically implemented 6553 * in hardware with a linear feedback shift register).</p> 6554 * <p>The generator should be reset at the beginning of each frame, 6555 * and thus each subsequent raw frame with this test pattern should 6556 * be exactly the same as the last.</p> 6557 */ 6558 ACAMERA_SENSOR_TEST_PATTERN_MODE_PN9 = 4, 6559 6560 /** 6561 * <p>The first custom test pattern. All custom patterns that are 6562 * available only on this camera device are at least this numeric 6563 * value.</p> 6564 * <p>All of the custom test patterns will be static 6565 * (that is the raw image must not vary from frame to frame).</p> 6566 */ 6567 ACAMERA_SENSOR_TEST_PATTERN_MODE_CUSTOM1 = 256, 6568 6569 } acamera_metadata_enum_android_sensor_test_pattern_mode_t; 6570 6571 6572 // ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT 6573 typedef enum acamera_metadata_enum_acamera_sensor_info_color_filter_arrangement { 6574 ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB = 0, 6575 6576 ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG = 1, 6577 6578 ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG = 2, 6579 6580 ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR = 3, 6581 6582 /** 6583 * <p>Sensor is not Bayer; output has 3 16-bit 6584 * values for each pixel, instead of just 1 16-bit value 6585 * per pixel.</p> 6586 */ 6587 ACAMERA_SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGB = 4, 6588 6589 } acamera_metadata_enum_android_sensor_info_color_filter_arrangement_t; 6590 6591 // ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE 6592 typedef enum acamera_metadata_enum_acamera_sensor_info_timestamp_source { 6593 /** 6594 * <p>Timestamps from ACAMERA_SENSOR_TIMESTAMP are in nanoseconds and monotonic, 6595 * but can not be compared to timestamps from other subsystems 6596 * (e.g. accelerometer, gyro etc.), or other instances of the same or different 6597 * camera devices in the same system. Timestamps between streams and results for 6598 * a single camera instance are comparable, and the timestamps for all buffers 6599 * and the result metadata generated by a single capture are identical.</p> 6600 * 6601 * @see ACAMERA_SENSOR_TIMESTAMP 6602 */ 6603 ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN = 0, 6604 6605 /** 6606 * <p>Timestamps from ACAMERA_SENSOR_TIMESTAMP are in the same timebase as 6607 * <a href="https://developer.android.com/reference/android/os/SystemClock.html#elapsedRealtimeNanos">elapsedRealtimeNanos</a> 6608 * (or CLOCK_BOOTTIME), and they can be compared to other timestamps using that base.</p> 6609 * 6610 * @see ACAMERA_SENSOR_TIMESTAMP 6611 */ 6612 ACAMERA_SENSOR_INFO_TIMESTAMP_SOURCE_REALTIME = 1, 6613 6614 } acamera_metadata_enum_android_sensor_info_timestamp_source_t; 6615 6616 // ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED 6617 typedef enum acamera_metadata_enum_acamera_sensor_info_lens_shading_applied { 6618 ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED_FALSE = 0, 6619 6620 ACAMERA_SENSOR_INFO_LENS_SHADING_APPLIED_TRUE = 1, 6621 6622 } acamera_metadata_enum_android_sensor_info_lens_shading_applied_t; 6623 6624 6625 // ACAMERA_SHADING_MODE 6626 typedef enum acamera_metadata_enum_acamera_shading_mode { 6627 /** 6628 * <p>No lens shading correction is applied.</p> 6629 */ 6630 ACAMERA_SHADING_MODE_OFF = 0, 6631 6632 /** 6633 * <p>Apply lens shading corrections, without slowing 6634 * frame rate relative to sensor raw output</p> 6635 */ 6636 ACAMERA_SHADING_MODE_FAST = 1, 6637 6638 /** 6639 * <p>Apply high-quality lens shading correction, at the 6640 * cost of possibly reduced frame rate.</p> 6641 */ 6642 ACAMERA_SHADING_MODE_HIGH_QUALITY = 2, 6643 6644 } acamera_metadata_enum_android_shading_mode_t; 6645 6646 6647 // ACAMERA_STATISTICS_FACE_DETECT_MODE 6648 typedef enum acamera_metadata_enum_acamera_statistics_face_detect_mode { 6649 /** 6650 * <p>Do not include face detection statistics in capture 6651 * results.</p> 6652 */ 6653 ACAMERA_STATISTICS_FACE_DETECT_MODE_OFF = 0, 6654 6655 /** 6656 * <p>Return face rectangle and confidence values only.</p> 6657 */ 6658 ACAMERA_STATISTICS_FACE_DETECT_MODE_SIMPLE = 1, 6659 6660 /** 6661 * <p>Return all face 6662 * metadata.</p> 6663 * <p>In this mode, face rectangles, scores, landmarks, and face IDs are all valid.</p> 6664 */ 6665 ACAMERA_STATISTICS_FACE_DETECT_MODE_FULL = 2, 6666 6667 } acamera_metadata_enum_android_statistics_face_detect_mode_t; 6668 6669 // ACAMERA_STATISTICS_HOT_PIXEL_MAP_MODE 6670 typedef enum acamera_metadata_enum_acamera_statistics_hot_pixel_map_mode { 6671 /** 6672 * <p>Hot pixel map production is disabled.</p> 6673 */ 6674 ACAMERA_STATISTICS_HOT_PIXEL_MAP_MODE_OFF = 0, 6675 6676 /** 6677 * <p>Hot pixel map production is enabled.</p> 6678 */ 6679 ACAMERA_STATISTICS_HOT_PIXEL_MAP_MODE_ON = 1, 6680 6681 } acamera_metadata_enum_android_statistics_hot_pixel_map_mode_t; 6682 6683 // ACAMERA_STATISTICS_SCENE_FLICKER 6684 typedef enum acamera_metadata_enum_acamera_statistics_scene_flicker { 6685 /** 6686 * <p>The camera device does not detect any flickering illumination 6687 * in the current scene.</p> 6688 */ 6689 ACAMERA_STATISTICS_SCENE_FLICKER_NONE = 0, 6690 6691 /** 6692 * <p>The camera device detects illumination flickering at 50Hz 6693 * in the current scene.</p> 6694 */ 6695 ACAMERA_STATISTICS_SCENE_FLICKER_50HZ = 1, 6696 6697 /** 6698 * <p>The camera device detects illumination flickering at 60Hz 6699 * in the current scene.</p> 6700 */ 6701 ACAMERA_STATISTICS_SCENE_FLICKER_60HZ = 2, 6702 6703 } acamera_metadata_enum_android_statistics_scene_flicker_t; 6704 6705 // ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE 6706 typedef enum acamera_metadata_enum_acamera_statistics_lens_shading_map_mode { 6707 /** 6708 * <p>Do not include a lens shading map in the capture result.</p> 6709 */ 6710 ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE_OFF = 0, 6711 6712 /** 6713 * <p>Include a lens shading map in the capture result.</p> 6714 */ 6715 ACAMERA_STATISTICS_LENS_SHADING_MAP_MODE_ON = 1, 6716 6717 } acamera_metadata_enum_android_statistics_lens_shading_map_mode_t; 6718 6719 6720 6721 // ACAMERA_TONEMAP_MODE 6722 typedef enum acamera_metadata_enum_acamera_tonemap_mode { 6723 /** 6724 * <p>Use the tone mapping curve specified in 6725 * the ACAMERA_TONEMAPCURVE_* entries.</p> 6726 * <p>All color enhancement and tonemapping must be disabled, except 6727 * for applying the tonemapping curve specified by 6728 * android.tonemap.curve.</p> 6729 * <p>Must not slow down frame rate relative to raw 6730 * sensor output.</p> 6731 */ 6732 ACAMERA_TONEMAP_MODE_CONTRAST_CURVE = 0, 6733 6734 /** 6735 * <p>Advanced gamma mapping and color enhancement may be applied, without 6736 * reducing frame rate compared to raw sensor output.</p> 6737 */ 6738 ACAMERA_TONEMAP_MODE_FAST = 1, 6739 6740 /** 6741 * <p>High-quality gamma mapping and color enhancement will be applied, at 6742 * the cost of possibly reduced frame rate compared to raw sensor output.</p> 6743 */ 6744 ACAMERA_TONEMAP_MODE_HIGH_QUALITY = 2, 6745 6746 /** 6747 * <p>Use the gamma value specified in ACAMERA_TONEMAP_GAMMA to peform 6748 * tonemapping.</p> 6749 * <p>All color enhancement and tonemapping must be disabled, except 6750 * for applying the tonemapping curve specified by ACAMERA_TONEMAP_GAMMA.</p> 6751 * <p>Must not slow down frame rate relative to raw sensor output.</p> 6752 * 6753 * @see ACAMERA_TONEMAP_GAMMA 6754 */ 6755 ACAMERA_TONEMAP_MODE_GAMMA_VALUE = 3, 6756 6757 /** 6758 * <p>Use the preset tonemapping curve specified in 6759 * ACAMERA_TONEMAP_PRESET_CURVE to peform tonemapping.</p> 6760 * <p>All color enhancement and tonemapping must be disabled, except 6761 * for applying the tonemapping curve specified by 6762 * ACAMERA_TONEMAP_PRESET_CURVE.</p> 6763 * <p>Must not slow down frame rate relative to raw sensor output.</p> 6764 * 6765 * @see ACAMERA_TONEMAP_PRESET_CURVE 6766 */ 6767 ACAMERA_TONEMAP_MODE_PRESET_CURVE = 4, 6768 6769 } acamera_metadata_enum_android_tonemap_mode_t; 6770 6771 // ACAMERA_TONEMAP_PRESET_CURVE 6772 typedef enum acamera_metadata_enum_acamera_tonemap_preset_curve { 6773 /** 6774 * <p>Tonemapping curve is defined by sRGB</p> 6775 */ 6776 ACAMERA_TONEMAP_PRESET_CURVE_SRGB = 0, 6777 6778 /** 6779 * <p>Tonemapping curve is defined by ITU-R BT.709</p> 6780 */ 6781 ACAMERA_TONEMAP_PRESET_CURVE_REC709 = 1, 6782 6783 } acamera_metadata_enum_android_tonemap_preset_curve_t; 6784 6785 6786 6787 // ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL 6788 typedef enum acamera_metadata_enum_acamera_info_supported_hardware_level { 6789 /** 6790 * <p>This camera device does not have enough capabilities to qualify as a <code>FULL</code> device or 6791 * better.</p> 6792 * <p>Only the stream configurations listed in the <code>LEGACY</code> and <code>LIMITED</code> tables in the 6793 * {@link ACameraDevice_createCaptureSession} documentation are guaranteed to be supported.</p> 6794 * <p>All <code>LIMITED</code> devices support the <code>BACKWARDS_COMPATIBLE</code> capability, indicating basic 6795 * support for color image capture. The only exception is that the device may 6796 * alternatively support only the <code>DEPTH_OUTPUT</code> capability, if it can only output depth 6797 * measurements and not color images.</p> 6798 * <p><code>LIMITED</code> devices and above require the use of ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 6799 * to lock exposure metering (and calculate flash power, for cameras with flash) before 6800 * capturing a high-quality still image.</p> 6801 * <p>A <code>LIMITED</code> device that only lists the <code>BACKWARDS_COMPATIBLE</code> capability is only 6802 * required to support full-automatic operation and post-processing (<code>OFF</code> is not 6803 * supported for ACAMERA_CONTROL_AE_MODE, ACAMERA_CONTROL_AF_MODE, or 6804 * ACAMERA_CONTROL_AWB_MODE)</p> 6805 * <p>Additional capabilities may optionally be supported by a <code>LIMITED</code>-level device, and 6806 * can be checked for in ACAMERA_REQUEST_AVAILABLE_CAPABILITIES.</p> 6807 * 6808 * @see ACAMERA_CONTROL_AE_MODE 6809 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 6810 * @see ACAMERA_CONTROL_AF_MODE 6811 * @see ACAMERA_CONTROL_AWB_MODE 6812 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 6813 */ 6814 ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED = 0, 6815 6816 /** 6817 * <p>This camera device is capable of supporting advanced imaging applications.</p> 6818 * <p>The stream configurations listed in the <code>FULL</code>, <code>LEGACY</code> and <code>LIMITED</code> tables in the 6819 * {@link ACameraDevice_createCaptureSession} documentation are guaranteed to be supported.</p> 6820 * <p>A <code>FULL</code> device will support below capabilities:</p> 6821 * <ul> 6822 * <li><code>BURST_CAPTURE</code> capability (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains 6823 * <code>BURST_CAPTURE</code>)</li> 6824 * <li>Per frame control (ACAMERA_SYNC_MAX_LATENCY <code>==</code> PER_FRAME_CONTROL)</li> 6825 * <li>Manual sensor control (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains <code>MANUAL_SENSOR</code>)</li> 6826 * <li>Manual post-processing control (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains 6827 * <code>MANUAL_POST_PROCESSING</code>)</li> 6828 * <li>The required exposure time range defined in ACAMERA_SENSOR_INFO_EXPOSURE_TIME_RANGE</li> 6829 * <li>The required maxFrameDuration defined in ACAMERA_SENSOR_INFO_MAX_FRAME_DURATION</li> 6830 * </ul> 6831 * <p>Note: 6832 * Pre-API level 23, FULL devices also supported arbitrary cropping region 6833 * (ACAMERA_SCALER_CROPPING_TYPE <code>== FREEFORM</code>); this requirement was relaxed in API level 6834 * 23, and <code>FULL</code> devices may only support <code>CENTERED</code> cropping.</p> 6835 * 6836 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 6837 * @see ACAMERA_SCALER_CROPPING_TYPE 6838 * @see ACAMERA_SENSOR_INFO_EXPOSURE_TIME_RANGE 6839 * @see ACAMERA_SENSOR_INFO_MAX_FRAME_DURATION 6840 * @see ACAMERA_SYNC_MAX_LATENCY 6841 */ 6842 ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_FULL = 1, 6843 6844 /** 6845 * <p>This camera device is running in backward compatibility mode.</p> 6846 * <p>Only the stream configurations listed in the <code>LEGACY</code> table in the {@link 6847 * ACameraDevice_createCaptureSession} documentation are supported.</p> 6848 * <p>A <code>LEGACY</code> device does not support per-frame control, manual sensor control, manual 6849 * post-processing, arbitrary cropping regions, and has relaxed performance constraints. 6850 * No additional capabilities beyond <code>BACKWARD_COMPATIBLE</code> will ever be listed by a 6851 * <code>LEGACY</code> device in ACAMERA_REQUEST_AVAILABLE_CAPABILITIES.</p> 6852 * <p>In addition, the ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER is not functional on <code>LEGACY</code> 6853 * devices. Instead, every request that includes a JPEG-format output target is treated 6854 * as triggering a still capture, internally executing a precapture trigger. This may 6855 * fire the flash for flash power metering during precapture, and then fire the flash 6856 * for the final capture, if a flash is available on the device and the AE mode is set to 6857 * enable the flash.</p> 6858 * 6859 * @see ACAMERA_CONTROL_AE_PRECAPTURE_TRIGGER 6860 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 6861 */ 6862 ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY = 2, 6863 6864 /** 6865 * <p>This camera device is capable of YUV reprocessing and RAW data capture, in addition to 6866 * FULL-level capabilities.</p> 6867 * <p>The stream configurations listed in the <code>LEVEL_3</code>, <code>RAW</code>, <code>FULL</code>, <code>LEGACY</code> and 6868 * <code>LIMITED</code> tables in the {@link 6869 * ACameraDevice_createCaptureSession} 6870 * documentation are guaranteed to be supported.</p> 6871 * <p>The following additional capabilities are guaranteed to be supported:</p> 6872 * <ul> 6873 * <li><code>YUV_REPROCESSING</code> capability (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains 6874 * <code>YUV_REPROCESSING</code>)</li> 6875 * <li><code>RAW</code> capability (ACAMERA_REQUEST_AVAILABLE_CAPABILITIES contains 6876 * <code>RAW</code>)</li> 6877 * </ul> 6878 * 6879 * @see ACAMERA_REQUEST_AVAILABLE_CAPABILITIES 6880 */ 6881 ACAMERA_INFO_SUPPORTED_HARDWARE_LEVEL_3 = 3, 6882 6883 } acamera_metadata_enum_android_info_supported_hardware_level_t; 6884 6885 6886 // ACAMERA_BLACK_LEVEL_LOCK 6887 typedef enum acamera_metadata_enum_acamera_black_level_lock { 6888 ACAMERA_BLACK_LEVEL_LOCK_OFF = 0, 6889 6890 ACAMERA_BLACK_LEVEL_LOCK_ON = 1, 6891 6892 } acamera_metadata_enum_android_black_level_lock_t; 6893 6894 6895 // ACAMERA_SYNC_FRAME_NUMBER 6896 typedef enum acamera_metadata_enum_acamera_sync_frame_number { 6897 /** 6898 * <p>The current result is not yet fully synchronized to any request.</p> 6899 * <p>Synchronization is in progress, and reading metadata from this 6900 * result may include a mix of data that have taken effect since the 6901 * last synchronization time.</p> 6902 * <p>In some future result, within ACAMERA_SYNC_MAX_LATENCY frames, 6903 * this value will update to the actual frame number frame number 6904 * the result is guaranteed to be synchronized to (as long as the 6905 * request settings remain constant).</p> 6906 * 6907 * @see ACAMERA_SYNC_MAX_LATENCY 6908 */ 6909 ACAMERA_SYNC_FRAME_NUMBER_CONVERGING = -1, 6910 6911 /** 6912 * <p>The current result's synchronization status is unknown.</p> 6913 * <p>The result may have already converged, or it may be in 6914 * progress. Reading from this result may include some mix 6915 * of settings from past requests.</p> 6916 * <p>After a settings change, the new settings will eventually all 6917 * take effect for the output buffers and results. However, this 6918 * value will not change when that happens. Altering settings 6919 * rapidly may provide outcomes using mixes of settings from recent 6920 * requests.</p> 6921 * <p>This value is intended primarily for backwards compatibility with 6922 * the older camera implementations (for android.hardware.Camera).</p> 6923 */ 6924 ACAMERA_SYNC_FRAME_NUMBER_UNKNOWN = -2, 6925 6926 } acamera_metadata_enum_android_sync_frame_number_t; 6927 6928 // ACAMERA_SYNC_MAX_LATENCY 6929 typedef enum acamera_metadata_enum_acamera_sync_max_latency { 6930 /** 6931 * <p>Every frame has the requests immediately applied.</p> 6932 * <p>Changing controls over multiple requests one after another will 6933 * produce results that have those controls applied atomically 6934 * each frame.</p> 6935 * <p>All FULL capability devices will have this as their maxLatency.</p> 6936 */ 6937 ACAMERA_SYNC_MAX_LATENCY_PER_FRAME_CONTROL = 0, 6938 6939 /** 6940 * <p>Each new frame has some subset (potentially the entire set) 6941 * of the past requests applied to the camera settings.</p> 6942 * <p>By submitting a series of identical requests, the camera device 6943 * will eventually have the camera settings applied, but it is 6944 * unknown when that exact point will be.</p> 6945 * <p>All LEGACY capability devices will have this as their maxLatency.</p> 6946 */ 6947 ACAMERA_SYNC_MAX_LATENCY_UNKNOWN = -1, 6948 6949 } acamera_metadata_enum_android_sync_max_latency_t; 6950 6951 6952 6953 // ACAMERA_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS 6954 typedef enum acamera_metadata_enum_acamera_depth_available_depth_stream_configurations { 6955 ACAMERA_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS_OUTPUT = 0, 6956 6957 ACAMERA_DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS_INPUT = 1, 6958 6959 } acamera_metadata_enum_android_depth_available_depth_stream_configurations_t; 6960 6961 // ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE 6962 typedef enum acamera_metadata_enum_acamera_depth_depth_is_exclusive { 6963 ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE_FALSE = 0, 6964 6965 ACAMERA_DEPTH_DEPTH_IS_EXCLUSIVE_TRUE = 1, 6966 6967 } acamera_metadata_enum_android_depth_depth_is_exclusive_t; 6968 6969 #endif /* __ANDROID_API__ >= 24 */ 6970 6971 __END_DECLS 6972 6973 #endif /* _NDK_CAMERA_METADATA_TAGS_H */ 6974 6975 /** @} */ 6976
