1 /* 2 * Copyright (C) 2013 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 package android.hardware.camera2; 18 19 import android.annotation.NonNull; 20 import android.annotation.Nullable; 21 import android.hardware.camera2.impl.CameraMetadataNative; 22 import android.hardware.camera2.impl.PublicKey; 23 import android.hardware.camera2.impl.SyntheticKey; 24 import android.hardware.camera2.utils.TypeReference; 25 import android.util.Rational; 26 27 import java.util.Collections; 28 import java.util.List; 29 30 /** 31 * <p>The properties describing a 32 * {@link CameraDevice CameraDevice}.</p> 33 * 34 * <p>These properties are fixed for a given CameraDevice, and can be queried 35 * through the {@link CameraManager CameraManager} 36 * interface with {@link CameraManager#getCameraCharacteristics}.</p> 37 * 38 * <p>{@link CameraCharacteristics} objects are immutable.</p> 39 * 40 * @see CameraDevice 41 * @see CameraManager 42 */ 43 public final class CameraCharacteristics extends CameraMetadata<CameraCharacteristics.Key<?>> { 44 45 /** 46 * A {@code Key} is used to do camera characteristics field lookups with 47 * {@link CameraCharacteristics#get}. 48 * 49 * <p>For example, to get the stream configuration map: 50 * <code><pre> 51 * StreamConfigurationMap map = cameraCharacteristics.get( 52 * CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP); 53 * </pre></code> 54 * </p> 55 * 56 * <p>To enumerate over all possible keys for {@link CameraCharacteristics}, see 57 * {@link CameraCharacteristics#getKeys()}.</p> 58 * 59 * @see CameraCharacteristics#get 60 * @see CameraCharacteristics#getKeys() 61 */ 62 public static final class Key<T> { 63 private final CameraMetadataNative.Key<T> mKey; 64 65 /** 66 * Visible for testing and vendor extensions only. 67 * 68 * @hide 69 */ Key(String name, Class<T> type)70 public Key(String name, Class<T> type) { 71 mKey = new CameraMetadataNative.Key<T>(name, type); 72 } 73 74 /** 75 * Visible for testing and vendor extensions only. 76 * 77 * @hide 78 */ Key(String name, TypeReference<T> typeReference)79 public Key(String name, TypeReference<T> typeReference) { 80 mKey = new CameraMetadataNative.Key<T>(name, typeReference); 81 } 82 83 /** 84 * Return a camelCase, period separated name formatted like: 85 * {@code "root.section[.subsections].name"}. 86 * 87 * <p>Built-in keys exposed by the Android SDK are always prefixed with {@code "android."}; 88 * keys that are device/platform-specific are prefixed with {@code "com."}.</p> 89 * 90 * <p>For example, {@code CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP} would 91 * have a name of {@code "android.scaler.streamConfigurationMap"}; whereas a device 92 * specific key might look like {@code "com.google.nexus.data.private"}.</p> 93 * 94 * @return String representation of the key name 95 */ 96 @NonNull getName()97 public String getName() { 98 return mKey.getName(); 99 } 100 101 /** 102 * {@inheritDoc} 103 */ 104 @Override hashCode()105 public final int hashCode() { 106 return mKey.hashCode(); 107 } 108 109 /** 110 * {@inheritDoc} 111 */ 112 @SuppressWarnings("unchecked") 113 @Override equals(Object o)114 public final boolean equals(Object o) { 115 return o instanceof Key && ((Key<T>)o).mKey.equals(mKey); 116 } 117 118 /** 119 * Return this {@link Key} as a string representation. 120 * 121 * <p>{@code "CameraCharacteristics.Key(%s)"}, where {@code %s} represents 122 * the name of this key as returned by {@link #getName}.</p> 123 * 124 * @return string representation of {@link Key} 125 */ 126 @NonNull 127 @Override toString()128 public String toString() { 129 return String.format("CameraCharacteristics.Key(%s)", mKey.getName()); 130 } 131 132 /** 133 * Visible for CameraMetadataNative implementation only; do not use. 134 * 135 * TODO: Make this private or remove it altogether. 136 * 137 * @hide 138 */ getNativeKey()139 public CameraMetadataNative.Key<T> getNativeKey() { 140 return mKey; 141 } 142 143 @SuppressWarnings({ 144 "unused", "unchecked" 145 }) Key(CameraMetadataNative.Key<?> nativeKey)146 private Key(CameraMetadataNative.Key<?> nativeKey) { 147 mKey = (CameraMetadataNative.Key<T>) nativeKey; 148 } 149 } 150 151 private final CameraMetadataNative mProperties; 152 private List<CameraCharacteristics.Key<?>> mKeys; 153 private List<CaptureRequest.Key<?>> mAvailableRequestKeys; 154 private List<CaptureResult.Key<?>> mAvailableResultKeys; 155 156 /** 157 * Takes ownership of the passed-in properties object 158 * @hide 159 */ CameraCharacteristics(CameraMetadataNative properties)160 public CameraCharacteristics(CameraMetadataNative properties) { 161 mProperties = CameraMetadataNative.move(properties); 162 } 163 164 /** 165 * Returns a copy of the underlying {@link CameraMetadataNative}. 166 * @hide 167 */ getNativeCopy()168 public CameraMetadataNative getNativeCopy() { 169 return new CameraMetadataNative(mProperties); 170 } 171 172 /** 173 * Get a camera characteristics field value. 174 * 175 * <p>The field definitions can be 176 * found in {@link CameraCharacteristics}.</p> 177 * 178 * <p>Querying the value for the same key more than once will return a value 179 * which is equal to the previous queried value.</p> 180 * 181 * @throws IllegalArgumentException if the key was not valid 182 * 183 * @param key The characteristics field to read. 184 * @return The value of that key, or {@code null} if the field is not set. 185 */ 186 @Nullable get(Key<T> key)187 public <T> T get(Key<T> key) { 188 return mProperties.get(key); 189 } 190 191 /** 192 * {@inheritDoc} 193 * @hide 194 */ 195 @SuppressWarnings("unchecked") 196 @Override getProtected(Key<?> key)197 protected <T> T getProtected(Key<?> key) { 198 return (T) mProperties.get(key); 199 } 200 201 /** 202 * {@inheritDoc} 203 * @hide 204 */ 205 @SuppressWarnings("unchecked") 206 @Override getKeyClass()207 protected Class<Key<?>> getKeyClass() { 208 Object thisClass = Key.class; 209 return (Class<Key<?>>)thisClass; 210 } 211 212 /** 213 * {@inheritDoc} 214 */ 215 @NonNull 216 @Override getKeys()217 public List<Key<?>> getKeys() { 218 // List of keys is immutable; cache the results after we calculate them 219 if (mKeys != null) { 220 return mKeys; 221 } 222 223 int[] filterTags = get(REQUEST_AVAILABLE_CHARACTERISTICS_KEYS); 224 if (filterTags == null) { 225 throw new AssertionError("android.request.availableCharacteristicsKeys must be non-null" 226 + " in the characteristics"); 227 } 228 229 mKeys = Collections.unmodifiableList( 230 getKeysStatic(getClass(), getKeyClass(), this, filterTags)); 231 return mKeys; 232 } 233 234 /** 235 * Returns the list of keys supported by this {@link CameraDevice} for querying 236 * with a {@link CaptureRequest}. 237 * 238 * <p>The list returned is not modifiable, so any attempts to modify it will throw 239 * a {@code UnsupportedOperationException}.</p> 240 * 241 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 242 * 243 * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use 244 * {@link #getKeys()} instead.</p> 245 * 246 * @return List of keys supported by this CameraDevice for CaptureRequests. 247 */ 248 @SuppressWarnings({"unchecked"}) 249 @NonNull getAvailableCaptureRequestKeys()250 public List<CaptureRequest.Key<?>> getAvailableCaptureRequestKeys() { 251 if (mAvailableRequestKeys == null) { 252 Object crKey = CaptureRequest.Key.class; 253 Class<CaptureRequest.Key<?>> crKeyTyped = (Class<CaptureRequest.Key<?>>)crKey; 254 255 int[] filterTags = get(REQUEST_AVAILABLE_REQUEST_KEYS); 256 if (filterTags == null) { 257 throw new AssertionError("android.request.availableRequestKeys must be non-null " 258 + "in the characteristics"); 259 } 260 mAvailableRequestKeys = 261 getAvailableKeyList(CaptureRequest.class, crKeyTyped, filterTags); 262 } 263 return mAvailableRequestKeys; 264 } 265 266 /** 267 * Returns the list of keys supported by this {@link CameraDevice} for querying 268 * with a {@link CaptureResult}. 269 * 270 * <p>The list returned is not modifiable, so any attempts to modify it will throw 271 * a {@code UnsupportedOperationException}.</p> 272 * 273 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 274 * 275 * <p>Note that there is no {@code getAvailableCameraCharacteristicsKeys()} -- use 276 * {@link #getKeys()} instead.</p> 277 * 278 * @return List of keys supported by this CameraDevice for CaptureResults. 279 */ 280 @SuppressWarnings({"unchecked"}) 281 @NonNull getAvailableCaptureResultKeys()282 public List<CaptureResult.Key<?>> getAvailableCaptureResultKeys() { 283 if (mAvailableResultKeys == null) { 284 Object crKey = CaptureResult.Key.class; 285 Class<CaptureResult.Key<?>> crKeyTyped = (Class<CaptureResult.Key<?>>)crKey; 286 287 int[] filterTags = get(REQUEST_AVAILABLE_RESULT_KEYS); 288 if (filterTags == null) { 289 throw new AssertionError("android.request.availableResultKeys must be non-null " 290 + "in the characteristics"); 291 } 292 mAvailableResultKeys = getAvailableKeyList(CaptureResult.class, crKeyTyped, filterTags); 293 } 294 return mAvailableResultKeys; 295 } 296 297 /** 298 * Returns the list of keys supported by this {@link CameraDevice} by metadataClass. 299 * 300 * <p>The list returned is not modifiable, so any attempts to modify it will throw 301 * a {@code UnsupportedOperationException}.</p> 302 * 303 * <p>Each key is only listed once in the list. The order of the keys is undefined.</p> 304 * 305 * @param metadataClass The subclass of CameraMetadata that you want to get the keys for. 306 * @param keyClass The class of the metadata key, e.g. CaptureRequest.Key.class 307 * 308 * @return List of keys supported by this CameraDevice for metadataClass. 309 * 310 * @throws IllegalArgumentException if metadataClass is not a subclass of CameraMetadata 311 */ 312 private <TKey> List<TKey> getAvailableKeyList(Class<?> metadataClass, Class<TKey> keyClass, int[] filterTags)313 getAvailableKeyList(Class<?> metadataClass, Class<TKey> keyClass, int[] filterTags) { 314 315 if (metadataClass.equals(CameraMetadata.class)) { 316 throw new AssertionError( 317 "metadataClass must be a strict subclass of CameraMetadata"); 318 } else if (!CameraMetadata.class.isAssignableFrom(metadataClass)) { 319 throw new AssertionError( 320 "metadataClass must be a subclass of CameraMetadata"); 321 } 322 323 List<TKey> staticKeyList = CameraCharacteristics.<TKey>getKeysStatic( 324 metadataClass, keyClass, /*instance*/null, filterTags); 325 return Collections.unmodifiableList(staticKeyList); 326 } 327 328 /*@O~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 329 * The key entries below this point are generated from metadata 330 * definitions in /system/media/camera/docs. Do not modify by hand or 331 * modify the comment blocks at the start or end. 332 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~*/ 333 334 /** 335 * <p>List of aberration correction modes for {@link CaptureRequest#COLOR_CORRECTION_ABERRATION_MODE android.colorCorrection.aberrationMode} that are 336 * supported by this camera device.</p> 337 * <p>This key lists the valid modes for {@link CaptureRequest#COLOR_CORRECTION_ABERRATION_MODE android.colorCorrection.aberrationMode}. If no 338 * aberration correction modes are available for a device, this list will solely include 339 * OFF mode. All camera devices will support either OFF or FAST mode.</p> 340 * <p>Camera devices that support the MANUAL_POST_PROCESSING capability will always list 341 * OFF mode. This includes all FULL level devices.</p> 342 * <p>LEGACY devices will always only support FAST mode.</p> 343 * <p><b>Range of valid values:</b><br> 344 * Any value listed in {@link CaptureRequest#COLOR_CORRECTION_ABERRATION_MODE android.colorCorrection.aberrationMode}</p> 345 * <p>This key is available on all devices.</p> 346 * 347 * @see CaptureRequest#COLOR_CORRECTION_ABERRATION_MODE 348 */ 349 @PublicKey 350 public static final Key<int[]> COLOR_CORRECTION_AVAILABLE_ABERRATION_MODES = 351 new Key<int[]>("android.colorCorrection.availableAberrationModes", int[].class); 352 353 /** 354 * <p>List of auto-exposure antibanding modes for {@link CaptureRequest#CONTROL_AE_ANTIBANDING_MODE android.control.aeAntibandingMode} that are 355 * supported by this camera device.</p> 356 * <p>Not all of the auto-exposure anti-banding modes may be 357 * supported by a given camera device. This field lists the 358 * valid anti-banding modes that the application may request 359 * for this camera device with the 360 * {@link CaptureRequest#CONTROL_AE_ANTIBANDING_MODE android.control.aeAntibandingMode} control.</p> 361 * <p><b>Range of valid values:</b><br> 362 * Any value listed in {@link CaptureRequest#CONTROL_AE_ANTIBANDING_MODE android.control.aeAntibandingMode}</p> 363 * <p>This key is available on all devices.</p> 364 * 365 * @see CaptureRequest#CONTROL_AE_ANTIBANDING_MODE 366 */ 367 @PublicKey 368 public static final Key<int[]> CONTROL_AE_AVAILABLE_ANTIBANDING_MODES = 369 new Key<int[]>("android.control.aeAvailableAntibandingModes", int[].class); 370 371 /** 372 * <p>List of auto-exposure modes for {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} that are supported by this camera 373 * device.</p> 374 * <p>Not all the auto-exposure modes may be supported by a 375 * given camera device, especially if no flash unit is 376 * available. This entry lists the valid modes for 377 * {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode} for this camera device.</p> 378 * <p>All camera devices support ON, and all camera devices with flash 379 * units support ON_AUTO_FLASH and ON_ALWAYS_FLASH.</p> 380 * <p>FULL mode camera devices always support OFF mode, 381 * which enables application control of camera exposure time, 382 * sensitivity, and frame duration.</p> 383 * <p>LEGACY mode camera devices never support OFF mode. 384 * LIMITED mode devices support OFF if they support the MANUAL_SENSOR 385 * capability.</p> 386 * <p><b>Range of valid values:</b><br> 387 * Any value listed in {@link CaptureRequest#CONTROL_AE_MODE android.control.aeMode}</p> 388 * <p>This key is available on all devices.</p> 389 * 390 * @see CaptureRequest#CONTROL_AE_MODE 391 */ 392 @PublicKey 393 public static final Key<int[]> CONTROL_AE_AVAILABLE_MODES = 394 new Key<int[]>("android.control.aeAvailableModes", int[].class); 395 396 /** 397 * <p>List of frame rate ranges for {@link CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE android.control.aeTargetFpsRange} supported by 398 * this camera device.</p> 399 * <p>For devices at the LEGACY level or above:</p> 400 * <ul> 401 * <li>This list will always include (30, 30).</li> 402 * <li>Also, for constant-framerate recording, for each normal 403 * {@link android.media.CamcorderProfile CamcorderProfile} that has 404 * {@link android.media.CamcorderProfile#quality quality} in 405 * the range [{@link android.media.CamcorderProfile#QUALITY_LOW QUALITY_LOW}, 406 * {@link android.media.CamcorderProfile#QUALITY_2160P QUALITY_2160P}], if the profile is 407 * supported by the device and has 408 * {@link android.media.CamcorderProfile#videoFrameRate videoFrameRate} <code>x</code>, this list will 409 * always include (<code>x</code>,<code>x</code>).</li> 410 * <li>For preview streaming use case, this list will always include (<code>min</code>, <code>max</code>) where 411 * <code>min</code> <= 15 and <code>max</code> >= 30.</li> 412 * </ul> 413 * <p>For devices at the LIMITED level or above:</p> 414 * <ul> 415 * <li>For YUV_420_888 burst capture use case, this list will always include (<code>min</code>, <code>max</code>) 416 * and (<code>max</code>, <code>max</code>) where <code>min</code> <= 15 and <code>max</code> = the maximum output frame rate of the 417 * maximum YUV_420_888 output size.</li> 418 * </ul> 419 * <p><b>Units</b>: Frames per second (FPS)</p> 420 * <p>This key is available on all devices.</p> 421 * 422 * @see CaptureRequest#CONTROL_AE_TARGET_FPS_RANGE 423 */ 424 @PublicKey 425 public static final Key<android.util.Range<Integer>[]> CONTROL_AE_AVAILABLE_TARGET_FPS_RANGES = 426 new Key<android.util.Range<Integer>[]>("android.control.aeAvailableTargetFpsRanges", new TypeReference<android.util.Range<Integer>[]>() {{ }}); 427 428 /** 429 * <p>Maximum and minimum exposure compensation values for 430 * {@link CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION android.control.aeExposureCompensation}, in counts of {@link CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP android.control.aeCompensationStep}, 431 * that are supported by this camera device.</p> 432 * <p><b>Range of valid values:</b><br></p> 433 * <p>Range [0,0] indicates that exposure compensation is not supported.</p> 434 * <p>For LIMITED and FULL devices, range must follow below requirements if exposure 435 * compensation is supported (<code>range != [0, 0]</code>):</p> 436 * <p><code>Min.exposure compensation * {@link CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP android.control.aeCompensationStep} <= -2 EV</code></p> 437 * <p><code>Max.exposure compensation * {@link CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP android.control.aeCompensationStep} >= 2 EV</code></p> 438 * <p>LEGACY devices may support a smaller range than this.</p> 439 * <p>This key is available on all devices.</p> 440 * 441 * @see CameraCharacteristics#CONTROL_AE_COMPENSATION_STEP 442 * @see CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION 443 */ 444 @PublicKey 445 public static final Key<android.util.Range<Integer>> CONTROL_AE_COMPENSATION_RANGE = 446 new Key<android.util.Range<Integer>>("android.control.aeCompensationRange", new TypeReference<android.util.Range<Integer>>() {{ }}); 447 448 /** 449 * <p>Smallest step by which the exposure compensation 450 * can be changed.</p> 451 * <p>This is the unit for {@link CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION android.control.aeExposureCompensation}. For example, if this key has 452 * a value of <code>1/2</code>, then a setting of <code>-2</code> for {@link CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION android.control.aeExposureCompensation} means 453 * that the target EV offset for the auto-exposure routine is -1 EV.</p> 454 * <p>One unit of EV compensation changes the brightness of the captured image by a factor 455 * of two. +1 EV doubles the image brightness, while -1 EV halves the image brightness.</p> 456 * <p><b>Units</b>: Exposure Value (EV)</p> 457 * <p>This key is available on all devices.</p> 458 * 459 * @see CaptureRequest#CONTROL_AE_EXPOSURE_COMPENSATION 460 */ 461 @PublicKey 462 public static final Key<Rational> CONTROL_AE_COMPENSATION_STEP = 463 new Key<Rational>("android.control.aeCompensationStep", Rational.class); 464 465 /** 466 * <p>List of auto-focus (AF) modes for {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} that are 467 * supported by this camera device.</p> 468 * <p>Not all the auto-focus modes may be supported by a 469 * given camera device. This entry lists the valid modes for 470 * {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode} for this camera device.</p> 471 * <p>All LIMITED and FULL mode camera devices will support OFF mode, and all 472 * camera devices with adjustable focuser units 473 * (<code>{@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} > 0</code>) will support AUTO mode.</p> 474 * <p>LEGACY devices will support OFF mode only if they support 475 * focusing to infinity (by also setting {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance} to 476 * <code>0.0f</code>).</p> 477 * <p><b>Range of valid values:</b><br> 478 * Any value listed in {@link CaptureRequest#CONTROL_AF_MODE android.control.afMode}</p> 479 * <p>This key is available on all devices.</p> 480 * 481 * @see CaptureRequest#CONTROL_AF_MODE 482 * @see CaptureRequest#LENS_FOCUS_DISTANCE 483 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 484 */ 485 @PublicKey 486 public static final Key<int[]> CONTROL_AF_AVAILABLE_MODES = 487 new Key<int[]>("android.control.afAvailableModes", int[].class); 488 489 /** 490 * <p>List of color effects for {@link CaptureRequest#CONTROL_EFFECT_MODE android.control.effectMode} that are supported by this camera 491 * device.</p> 492 * <p>This list contains the color effect modes that can be applied to 493 * images produced by the camera device. 494 * Implementations are not expected to be consistent across all devices. 495 * If no color effect modes are available for a device, this will only list 496 * OFF.</p> 497 * <p>A color effect will only be applied if 498 * {@link CaptureRequest#CONTROL_MODE android.control.mode} != OFF. OFF is always included in this list.</p> 499 * <p>This control has no effect on the operation of other control routines such 500 * as auto-exposure, white balance, or focus.</p> 501 * <p><b>Range of valid values:</b><br> 502 * Any value listed in {@link CaptureRequest#CONTROL_EFFECT_MODE android.control.effectMode}</p> 503 * <p>This key is available on all devices.</p> 504 * 505 * @see CaptureRequest#CONTROL_EFFECT_MODE 506 * @see CaptureRequest#CONTROL_MODE 507 */ 508 @PublicKey 509 public static final Key<int[]> CONTROL_AVAILABLE_EFFECTS = 510 new Key<int[]>("android.control.availableEffects", int[].class); 511 512 /** 513 * <p>List of scene modes for {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode} that are supported by this camera 514 * device.</p> 515 * <p>This list contains scene modes that can be set for the camera device. 516 * Only scene modes that have been fully implemented for the 517 * camera device may be included here. Implementations are not expected 518 * to be consistent across all devices.</p> 519 * <p>If no scene modes are supported by the camera device, this 520 * will be set to DISABLED. Otherwise DISABLED will not be listed.</p> 521 * <p>FACE_PRIORITY is always listed if face detection is 522 * supported (i.e.<code>{@link CameraCharacteristics#STATISTICS_INFO_MAX_FACE_COUNT android.statistics.info.maxFaceCount} > 523 * 0</code>).</p> 524 * <p><b>Range of valid values:</b><br> 525 * Any value listed in {@link CaptureRequest#CONTROL_SCENE_MODE android.control.sceneMode}</p> 526 * <p>This key is available on all devices.</p> 527 * 528 * @see CaptureRequest#CONTROL_SCENE_MODE 529 * @see CameraCharacteristics#STATISTICS_INFO_MAX_FACE_COUNT 530 */ 531 @PublicKey 532 public static final Key<int[]> CONTROL_AVAILABLE_SCENE_MODES = 533 new Key<int[]>("android.control.availableSceneModes", int[].class); 534 535 /** 536 * <p>List of video stabilization modes for {@link CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE android.control.videoStabilizationMode} 537 * that are supported by this camera device.</p> 538 * <p>OFF will always be listed.</p> 539 * <p><b>Range of valid values:</b><br> 540 * Any value listed in {@link CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE android.control.videoStabilizationMode}</p> 541 * <p>This key is available on all devices.</p> 542 * 543 * @see CaptureRequest#CONTROL_VIDEO_STABILIZATION_MODE 544 */ 545 @PublicKey 546 public static final Key<int[]> CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES = 547 new Key<int[]>("android.control.availableVideoStabilizationModes", int[].class); 548 549 /** 550 * <p>List of auto-white-balance modes for {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} that are supported by this 551 * camera device.</p> 552 * <p>Not all the auto-white-balance modes may be supported by a 553 * given camera device. This entry lists the valid modes for 554 * {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode} for this camera device.</p> 555 * <p>All camera devices will support ON mode.</p> 556 * <p>Camera devices that support the MANUAL_POST_PROCESSING capability will always support OFF 557 * mode, which enables application control of white balance, by using 558 * {@link CaptureRequest#COLOR_CORRECTION_TRANSFORM android.colorCorrection.transform} and {@link CaptureRequest#COLOR_CORRECTION_GAINS android.colorCorrection.gains}({@link CaptureRequest#COLOR_CORRECTION_MODE android.colorCorrection.mode} must be set to TRANSFORM_MATRIX). This includes all FULL 559 * mode camera devices.</p> 560 * <p><b>Range of valid values:</b><br> 561 * Any value listed in {@link CaptureRequest#CONTROL_AWB_MODE android.control.awbMode}</p> 562 * <p>This key is available on all devices.</p> 563 * 564 * @see CaptureRequest#COLOR_CORRECTION_GAINS 565 * @see CaptureRequest#COLOR_CORRECTION_MODE 566 * @see CaptureRequest#COLOR_CORRECTION_TRANSFORM 567 * @see CaptureRequest#CONTROL_AWB_MODE 568 */ 569 @PublicKey 570 public static final Key<int[]> CONTROL_AWB_AVAILABLE_MODES = 571 new Key<int[]>("android.control.awbAvailableModes", int[].class); 572 573 /** 574 * <p>List of the maximum number of regions that can be used for metering in 575 * auto-exposure (AE), auto-white balance (AWB), and auto-focus (AF); 576 * this corresponds to the the maximum number of elements in 577 * {@link CaptureRequest#CONTROL_AE_REGIONS android.control.aeRegions}, {@link CaptureRequest#CONTROL_AWB_REGIONS android.control.awbRegions}, 578 * and {@link CaptureRequest#CONTROL_AF_REGIONS android.control.afRegions}.</p> 579 * <p><b>Range of valid values:</b><br></p> 580 * <p>Value must be >= 0 for each element. For full-capability devices 581 * this value must be >= 1 for AE and AF. The order of the elements is: 582 * <code>(AE, AWB, AF)</code>.</p> 583 * <p>This key is available on all devices.</p> 584 * 585 * @see CaptureRequest#CONTROL_AE_REGIONS 586 * @see CaptureRequest#CONTROL_AF_REGIONS 587 * @see CaptureRequest#CONTROL_AWB_REGIONS 588 * @hide 589 */ 590 public static final Key<int[]> CONTROL_MAX_REGIONS = 591 new Key<int[]>("android.control.maxRegions", int[].class); 592 593 /** 594 * <p>The maximum number of metering regions that can be used by the auto-exposure (AE) 595 * routine.</p> 596 * <p>This corresponds to the the maximum allowed number of elements in 597 * {@link CaptureRequest#CONTROL_AE_REGIONS android.control.aeRegions}.</p> 598 * <p><b>Range of valid values:</b><br> 599 * Value will be >= 0. For FULL-capability devices, this 600 * value will be >= 1.</p> 601 * <p>This key is available on all devices.</p> 602 * 603 * @see CaptureRequest#CONTROL_AE_REGIONS 604 */ 605 @PublicKey 606 @SyntheticKey 607 public static final Key<Integer> CONTROL_MAX_REGIONS_AE = 608 new Key<Integer>("android.control.maxRegionsAe", int.class); 609 610 /** 611 * <p>The maximum number of metering regions that can be used by the auto-white balance (AWB) 612 * routine.</p> 613 * <p>This corresponds to the the maximum allowed number of elements in 614 * {@link CaptureRequest#CONTROL_AWB_REGIONS android.control.awbRegions}.</p> 615 * <p><b>Range of valid values:</b><br> 616 * Value will be >= 0.</p> 617 * <p>This key is available on all devices.</p> 618 * 619 * @see CaptureRequest#CONTROL_AWB_REGIONS 620 */ 621 @PublicKey 622 @SyntheticKey 623 public static final Key<Integer> CONTROL_MAX_REGIONS_AWB = 624 new Key<Integer>("android.control.maxRegionsAwb", int.class); 625 626 /** 627 * <p>The maximum number of metering regions that can be used by the auto-focus (AF) routine.</p> 628 * <p>This corresponds to the the maximum allowed number of elements in 629 * {@link CaptureRequest#CONTROL_AF_REGIONS android.control.afRegions}.</p> 630 * <p><b>Range of valid values:</b><br> 631 * Value will be >= 0. For FULL-capability devices, this 632 * value will be >= 1.</p> 633 * <p>This key is available on all devices.</p> 634 * 635 * @see CaptureRequest#CONTROL_AF_REGIONS 636 */ 637 @PublicKey 638 @SyntheticKey 639 public static final Key<Integer> CONTROL_MAX_REGIONS_AF = 640 new Key<Integer>("android.control.maxRegionsAf", int.class); 641 642 /** 643 * <p>List of available high speed video size, fps range and max batch size configurations 644 * supported by the camera device, in the format of (width, height, fps_min, fps_max, batch_size_max).</p> 645 * <p>When CONSTRAINED_HIGH_SPEED_VIDEO is supported in {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}, 646 * this metadata will list the supported high speed video size, fps range and max batch size 647 * configurations. All the sizes listed in this configuration will be a subset of the sizes 648 * reported by {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputSizes } 649 * for processed non-stalling formats.</p> 650 * <p>For the high speed video use case, the application must 651 * select the video size and fps range from this metadata to configure the recording and 652 * preview streams and setup the recording requests. For example, if the application intends 653 * to do high speed recording, it can select the maximum size reported by this metadata to 654 * configure output streams. Once the size is selected, application can filter this metadata 655 * by selected size and get the supported fps ranges, and use these fps ranges to setup the 656 * recording requests. Note that for the use case of multiple output streams, application 657 * must select one unique size from this metadata to use (e.g., preview and recording streams 658 * must have the same size). Otherwise, the high speed capture session creation will fail.</p> 659 * <p>The min and max fps will be multiple times of 30fps.</p> 660 * <p>High speed video streaming extends significant performance pressue to camera hardware, 661 * to achieve efficient high speed streaming, the camera device may have to aggregate 662 * multiple frames together and send to camera device for processing where the request 663 * controls are same for all the frames in this batch. Max batch size indicates 664 * the max possible number of frames the camera device will group together for this high 665 * speed stream configuration. This max batch size will be used to generate a high speed 666 * recording request list by 667 * {@link android.hardware.camera2.CameraConstrainedHighSpeedCaptureSession#createHighSpeedRequestList }. 668 * The max batch size for each configuration will satisfy below conditions:</p> 669 * <ul> 670 * <li>Each max batch size will be a divisor of its corresponding fps_max / 30. For example, 671 * if max_fps is 300, max batch size will only be 1, 2, 5, or 10.</li> 672 * <li>The camera device may choose smaller internal batch size for each configuration, but 673 * the actual batch size will be a divisor of max batch size. For example, if the max batch 674 * size is 8, the actual batch size used by camera device will only be 1, 2, 4, or 8.</li> 675 * <li>The max batch size in each configuration entry must be no larger than 32.</li> 676 * </ul> 677 * <p>The camera device doesn't have to support batch mode to achieve high speed video recording, 678 * in such case, batch_size_max will be reported as 1 in each configuration entry.</p> 679 * <p>This fps ranges in this configuration list can only be used to create requests 680 * that are submitted to a high speed camera capture session created by 681 * {@link android.hardware.camera2.CameraDevice#createConstrainedHighSpeedCaptureSession }. 682 * The fps ranges reported in this metadata must not be used to setup capture requests for 683 * normal capture session, or it will cause request error.</p> 684 * <p><b>Range of valid values:</b><br></p> 685 * <p>For each configuration, the fps_max >= 120fps.</p> 686 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 687 * <p><b>Limited capability</b> - 688 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 689 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 690 * 691 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 692 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 693 * @hide 694 */ 695 public static final Key<android.hardware.camera2.params.HighSpeedVideoConfiguration[]> CONTROL_AVAILABLE_HIGH_SPEED_VIDEO_CONFIGURATIONS = 696 new Key<android.hardware.camera2.params.HighSpeedVideoConfiguration[]>("android.control.availableHighSpeedVideoConfigurations", android.hardware.camera2.params.HighSpeedVideoConfiguration[].class); 697 698 /** 699 * <p>Whether the camera device supports {@link CaptureRequest#CONTROL_AE_LOCK android.control.aeLock}</p> 700 * <p>Devices with MANUAL_SENSOR capability or BURST_CAPTURE capability will always 701 * list <code>true</code>. This includes FULL devices.</p> 702 * <p>This key is available on all devices.</p> 703 * 704 * @see CaptureRequest#CONTROL_AE_LOCK 705 */ 706 @PublicKey 707 public static final Key<Boolean> CONTROL_AE_LOCK_AVAILABLE = 708 new Key<Boolean>("android.control.aeLockAvailable", boolean.class); 709 710 /** 711 * <p>Whether the camera device supports {@link CaptureRequest#CONTROL_AWB_LOCK android.control.awbLock}</p> 712 * <p>Devices with MANUAL_POST_PROCESSING capability or BURST_CAPTURE capability will 713 * always list <code>true</code>. This includes FULL devices.</p> 714 * <p>This key is available on all devices.</p> 715 * 716 * @see CaptureRequest#CONTROL_AWB_LOCK 717 */ 718 @PublicKey 719 public static final Key<Boolean> CONTROL_AWB_LOCK_AVAILABLE = 720 new Key<Boolean>("android.control.awbLockAvailable", boolean.class); 721 722 /** 723 * <p>List of control modes for {@link CaptureRequest#CONTROL_MODE android.control.mode} that are supported by this camera 724 * device.</p> 725 * <p>This list contains control modes that can be set for the camera device. 726 * LEGACY mode devices will always support AUTO mode. LIMITED and FULL 727 * devices will always support OFF, AUTO modes.</p> 728 * <p><b>Range of valid values:</b><br> 729 * Any value listed in {@link CaptureRequest#CONTROL_MODE android.control.mode}</p> 730 * <p>This key is available on all devices.</p> 731 * 732 * @see CaptureRequest#CONTROL_MODE 733 */ 734 @PublicKey 735 public static final Key<int[]> CONTROL_AVAILABLE_MODES = 736 new Key<int[]>("android.control.availableModes", int[].class); 737 738 /** 739 * <p>List of edge enhancement modes for {@link CaptureRequest#EDGE_MODE android.edge.mode} that are supported by this camera 740 * device.</p> 741 * <p>Full-capability camera devices must always support OFF; camera devices that support 742 * YUV_REPROCESSING or PRIVATE_REPROCESSING will list ZERO_SHUTTER_LAG; all devices will 743 * list FAST.</p> 744 * <p><b>Range of valid values:</b><br> 745 * Any value listed in {@link CaptureRequest#EDGE_MODE android.edge.mode}</p> 746 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 747 * <p><b>Full capability</b> - 748 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 749 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 750 * 751 * @see CaptureRequest#EDGE_MODE 752 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 753 */ 754 @PublicKey 755 public static final Key<int[]> EDGE_AVAILABLE_EDGE_MODES = 756 new Key<int[]>("android.edge.availableEdgeModes", int[].class); 757 758 /** 759 * <p>Whether this camera device has a 760 * flash unit.</p> 761 * <p>Will be <code>false</code> if no flash is available.</p> 762 * <p>If there is no flash unit, none of the flash controls do 763 * anything. 764 * This key is available on all devices.</p> 765 */ 766 @PublicKey 767 public static final Key<Boolean> FLASH_INFO_AVAILABLE = 768 new Key<Boolean>("android.flash.info.available", boolean.class); 769 770 /** 771 * <p>List of hot pixel correction modes for {@link CaptureRequest#HOT_PIXEL_MODE android.hotPixel.mode} that are supported by this 772 * camera device.</p> 773 * <p>FULL mode camera devices will always support FAST.</p> 774 * <p><b>Range of valid values:</b><br> 775 * Any value listed in {@link CaptureRequest#HOT_PIXEL_MODE android.hotPixel.mode}</p> 776 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 777 * 778 * @see CaptureRequest#HOT_PIXEL_MODE 779 */ 780 @PublicKey 781 public static final Key<int[]> HOT_PIXEL_AVAILABLE_HOT_PIXEL_MODES = 782 new Key<int[]>("android.hotPixel.availableHotPixelModes", int[].class); 783 784 /** 785 * <p>List of JPEG thumbnail sizes for {@link CaptureRequest#JPEG_THUMBNAIL_SIZE android.jpeg.thumbnailSize} supported by this 786 * camera device.</p> 787 * <p>This list will include at least one non-zero resolution, plus <code>(0,0)</code> for indicating no 788 * thumbnail should be generated.</p> 789 * <p>Below condiditions will be satisfied for this size list:</p> 790 * <ul> 791 * <li>The sizes will be sorted by increasing pixel area (width x height). 792 * If several resolutions have the same area, they will be sorted by increasing width.</li> 793 * <li>The aspect ratio of the largest thumbnail size will be same as the 794 * aspect ratio of largest JPEG output size in android.scaler.availableStreamConfigurations. 795 * The largest size is defined as the size that has the largest pixel area 796 * in a given size list.</li> 797 * <li>Each output JPEG size in android.scaler.availableStreamConfigurations will have at least 798 * one corresponding size that has the same aspect ratio in availableThumbnailSizes, 799 * and vice versa.</li> 800 * <li>All non-<code>(0, 0)</code> sizes will have non-zero widths and heights. 801 * This key is available on all devices.</li> 802 * </ul> 803 * 804 * @see CaptureRequest#JPEG_THUMBNAIL_SIZE 805 */ 806 @PublicKey 807 public static final Key<android.util.Size[]> JPEG_AVAILABLE_THUMBNAIL_SIZES = 808 new Key<android.util.Size[]>("android.jpeg.availableThumbnailSizes", android.util.Size[].class); 809 810 /** 811 * <p>List of aperture size values for {@link CaptureRequest#LENS_APERTURE android.lens.aperture} that are 812 * supported by this camera device.</p> 813 * <p>If the camera device doesn't support a variable lens aperture, 814 * this list will contain only one value, which is the fixed aperture size.</p> 815 * <p>If the camera device supports a variable aperture, the aperture values 816 * in this list will be sorted in ascending order.</p> 817 * <p><b>Units</b>: The aperture f-number</p> 818 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 819 * <p><b>Full capability</b> - 820 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 821 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 822 * 823 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 824 * @see CaptureRequest#LENS_APERTURE 825 */ 826 @PublicKey 827 public static final Key<float[]> LENS_INFO_AVAILABLE_APERTURES = 828 new Key<float[]>("android.lens.info.availableApertures", float[].class); 829 830 /** 831 * <p>List of neutral density filter values for 832 * {@link CaptureRequest#LENS_FILTER_DENSITY android.lens.filterDensity} that are supported by this camera device.</p> 833 * <p>If a neutral density filter is not supported by this camera device, 834 * this list will contain only 0. Otherwise, this list will include every 835 * filter density supported by the camera device, in ascending order.</p> 836 * <p><b>Units</b>: Exposure value (EV)</p> 837 * <p><b>Range of valid values:</b><br></p> 838 * <p>Values are >= 0</p> 839 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 840 * <p><b>Full capability</b> - 841 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 842 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 843 * 844 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 845 * @see CaptureRequest#LENS_FILTER_DENSITY 846 */ 847 @PublicKey 848 public static final Key<float[]> LENS_INFO_AVAILABLE_FILTER_DENSITIES = 849 new Key<float[]>("android.lens.info.availableFilterDensities", float[].class); 850 851 /** 852 * <p>List of focal lengths for {@link CaptureRequest#LENS_FOCAL_LENGTH android.lens.focalLength} that are supported by this camera 853 * device.</p> 854 * <p>If optical zoom is not supported, this list will only contain 855 * a single value corresponding to the fixed focal length of the 856 * device. Otherwise, this list will include every focal length supported 857 * by the camera device, in ascending order.</p> 858 * <p><b>Units</b>: Millimeters</p> 859 * <p><b>Range of valid values:</b><br></p> 860 * <p>Values are > 0</p> 861 * <p>This key is available on all devices.</p> 862 * 863 * @see CaptureRequest#LENS_FOCAL_LENGTH 864 */ 865 @PublicKey 866 public static final Key<float[]> LENS_INFO_AVAILABLE_FOCAL_LENGTHS = 867 new Key<float[]>("android.lens.info.availableFocalLengths", float[].class); 868 869 /** 870 * <p>List of optical image stabilization (OIS) modes for 871 * {@link CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE android.lens.opticalStabilizationMode} that are supported by this camera device.</p> 872 * <p>If OIS is not supported by a given camera device, this list will 873 * contain only OFF.</p> 874 * <p><b>Range of valid values:</b><br> 875 * Any value listed in {@link CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE android.lens.opticalStabilizationMode}</p> 876 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 877 * <p><b>Limited capability</b> - 878 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 879 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 880 * 881 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 882 * @see CaptureRequest#LENS_OPTICAL_STABILIZATION_MODE 883 */ 884 @PublicKey 885 public static final Key<int[]> LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION = 886 new Key<int[]>("android.lens.info.availableOpticalStabilization", int[].class); 887 888 /** 889 * <p>Hyperfocal distance for this lens.</p> 890 * <p>If the lens is not fixed focus, the camera device will report this 891 * field when {@link CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION android.lens.info.focusDistanceCalibration} is APPROXIMATE or CALIBRATED.</p> 892 * <p><b>Units</b>: See {@link CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION android.lens.info.focusDistanceCalibration} for details</p> 893 * <p><b>Range of valid values:</b><br> 894 * If lens is fixed focus, >= 0. If lens has focuser unit, the value is 895 * within <code>(0.0f, {@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance}]</code></p> 896 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 897 * <p><b>Limited capability</b> - 898 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 899 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 900 * 901 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 902 * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION 903 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 904 */ 905 @PublicKey 906 public static final Key<Float> LENS_INFO_HYPERFOCAL_DISTANCE = 907 new Key<Float>("android.lens.info.hyperfocalDistance", float.class); 908 909 /** 910 * <p>Shortest distance from frontmost surface 911 * of the lens that can be brought into sharp focus.</p> 912 * <p>If the lens is fixed-focus, this will be 913 * 0.</p> 914 * <p><b>Units</b>: See {@link CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION android.lens.info.focusDistanceCalibration} for details</p> 915 * <p><b>Range of valid values:</b><br> 916 * >= 0</p> 917 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 918 * <p><b>Limited capability</b> - 919 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 920 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 921 * 922 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 923 * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION 924 */ 925 @PublicKey 926 public static final Key<Float> LENS_INFO_MINIMUM_FOCUS_DISTANCE = 927 new Key<Float>("android.lens.info.minimumFocusDistance", float.class); 928 929 /** 930 * <p>Dimensions of lens shading map.</p> 931 * <p>The map should be on the order of 30-40 rows and columns, and 932 * must be smaller than 64x64.</p> 933 * <p><b>Range of valid values:</b><br> 934 * Both values >= 1</p> 935 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 936 * <p><b>Full capability</b> - 937 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 938 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 939 * 940 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 941 * @hide 942 */ 943 public static final Key<android.util.Size> LENS_INFO_SHADING_MAP_SIZE = 944 new Key<android.util.Size>("android.lens.info.shadingMapSize", android.util.Size.class); 945 946 /** 947 * <p>The lens focus distance calibration quality.</p> 948 * <p>The lens focus distance calibration quality determines the reliability of 949 * focus related metadata entries, i.e. {@link CaptureRequest#LENS_FOCUS_DISTANCE android.lens.focusDistance}, 950 * {@link CaptureResult#LENS_FOCUS_RANGE android.lens.focusRange}, {@link CameraCharacteristics#LENS_INFO_HYPERFOCAL_DISTANCE android.lens.info.hyperfocalDistance}, and 951 * {@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance}.</p> 952 * <p>APPROXIMATE and CALIBRATED devices report the focus metadata in 953 * units of diopters (1/meter), so <code>0.0f</code> represents focusing at infinity, 954 * and increasing positive numbers represent focusing closer and closer 955 * to the camera device. The focus distance control also uses diopters 956 * on these devices.</p> 957 * <p>UNCALIBRATED devices do not use units that are directly comparable 958 * to any real physical measurement, but <code>0.0f</code> still represents farthest 959 * focus, and {@link CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE android.lens.info.minimumFocusDistance} represents the 960 * nearest focus the device can achieve.</p> 961 * <p><b>Possible values:</b> 962 * <ul> 963 * <li>{@link #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED UNCALIBRATED}</li> 964 * <li>{@link #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_APPROXIMATE APPROXIMATE}</li> 965 * <li>{@link #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_CALIBRATED CALIBRATED}</li> 966 * </ul></p> 967 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 968 * <p><b>Limited capability</b> - 969 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 970 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 971 * 972 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 973 * @see CaptureRequest#LENS_FOCUS_DISTANCE 974 * @see CaptureResult#LENS_FOCUS_RANGE 975 * @see CameraCharacteristics#LENS_INFO_HYPERFOCAL_DISTANCE 976 * @see CameraCharacteristics#LENS_INFO_MINIMUM_FOCUS_DISTANCE 977 * @see #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_UNCALIBRATED 978 * @see #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_APPROXIMATE 979 * @see #LENS_INFO_FOCUS_DISTANCE_CALIBRATION_CALIBRATED 980 */ 981 @PublicKey 982 public static final Key<Integer> LENS_INFO_FOCUS_DISTANCE_CALIBRATION = 983 new Key<Integer>("android.lens.info.focusDistanceCalibration", int.class); 984 985 /** 986 * <p>Direction the camera faces relative to 987 * device screen.</p> 988 * <p><b>Possible values:</b> 989 * <ul> 990 * <li>{@link #LENS_FACING_FRONT FRONT}</li> 991 * <li>{@link #LENS_FACING_BACK BACK}</li> 992 * <li>{@link #LENS_FACING_EXTERNAL EXTERNAL}</li> 993 * </ul></p> 994 * <p>This key is available on all devices.</p> 995 * @see #LENS_FACING_FRONT 996 * @see #LENS_FACING_BACK 997 * @see #LENS_FACING_EXTERNAL 998 */ 999 @PublicKey 1000 public static final Key<Integer> LENS_FACING = 1001 new Key<Integer>("android.lens.facing", int.class); 1002 1003 /** 1004 * <p>The orientation of the camera relative to the sensor 1005 * coordinate system.</p> 1006 * <p>The four coefficients that describe the quaternion 1007 * rotation from the Android sensor coordinate system to a 1008 * camera-aligned coordinate system where the X-axis is 1009 * aligned with the long side of the image sensor, the Y-axis 1010 * is aligned with the short side of the image sensor, and 1011 * the Z-axis is aligned with the optical axis of the sensor.</p> 1012 * <p>To convert from the quaternion coefficients <code>(x,y,z,w)</code> 1013 * to the axis of rotation <code>(a_x, a_y, a_z)</code> and rotation 1014 * amount <code>theta</code>, the following formulas can be used:</p> 1015 * <pre><code> theta = 2 * acos(w) 1016 * a_x = x / sin(theta/2) 1017 * a_y = y / sin(theta/2) 1018 * a_z = z / sin(theta/2) 1019 * </code></pre> 1020 * <p>To create a 3x3 rotation matrix that applies the rotation 1021 * defined by this quaternion, the following matrix can be 1022 * used:</p> 1023 * <pre><code>R = [ 1 - 2y^2 - 2z^2, 2xy - 2zw, 2xz + 2yw, 1024 * 2xy + 2zw, 1 - 2x^2 - 2z^2, 2yz - 2xw, 1025 * 2xz - 2yw, 2yz + 2xw, 1 - 2x^2 - 2y^2 ] 1026 * </code></pre> 1027 * <p>This matrix can then be used to apply the rotation to a 1028 * column vector point with</p> 1029 * <p><code>p' = Rp</code></p> 1030 * <p>where <code>p</code> is in the device sensor coordinate system, and 1031 * <code>p'</code> is in the camera-oriented coordinate system.</p> 1032 * <p><b>Units</b>: 1033 * Quaternion coefficients</p> 1034 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1035 */ 1036 @PublicKey 1037 public static final Key<float[]> LENS_POSE_ROTATION = 1038 new Key<float[]>("android.lens.poseRotation", float[].class); 1039 1040 /** 1041 * <p>Position of the camera optical center.</p> 1042 * <p>The position of the camera device's lens optical center, 1043 * as a three-dimensional vector <code>(x,y,z)</code>, relative to the 1044 * optical center of the largest camera device facing in the 1045 * same direction as this camera, in the {@link android.hardware.SensorEvent Android sensor coordinate 1046 * axes}. Note that only the axis definitions are shared with 1047 * the sensor coordinate system, but not the origin.</p> 1048 * <p>If this device is the largest or only camera device with a 1049 * given facing, then this position will be <code>(0, 0, 0)</code>; a 1050 * camera device with a lens optical center located 3 cm from 1051 * the main sensor along the +X axis (to the right from the 1052 * user's perspective) will report <code>(0.03, 0, 0)</code>.</p> 1053 * <p>To transform a pixel coordinates between two cameras 1054 * facing the same direction, first the source camera 1055 * {@link CameraCharacteristics#LENS_RADIAL_DISTORTION android.lens.radialDistortion} must be corrected for. Then 1056 * the source camera {@link CameraCharacteristics#LENS_INTRINSIC_CALIBRATION android.lens.intrinsicCalibration} needs 1057 * to be applied, followed by the {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation} 1058 * of the source camera, the translation of the source camera 1059 * relative to the destination camera, the 1060 * {@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation} of the destination camera, and 1061 * finally the inverse of {@link CameraCharacteristics#LENS_INTRINSIC_CALIBRATION android.lens.intrinsicCalibration} 1062 * of the destination camera. This obtains a 1063 * radial-distortion-free coordinate in the destination 1064 * camera pixel coordinates.</p> 1065 * <p>To compare this against a real image from the destination 1066 * camera, the destination camera image then needs to be 1067 * corrected for radial distortion before comparison or 1068 * sampling.</p> 1069 * <p><b>Units</b>: Meters</p> 1070 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1071 * 1072 * @see CameraCharacteristics#LENS_INTRINSIC_CALIBRATION 1073 * @see CameraCharacteristics#LENS_POSE_ROTATION 1074 * @see CameraCharacteristics#LENS_RADIAL_DISTORTION 1075 */ 1076 @PublicKey 1077 public static final Key<float[]> LENS_POSE_TRANSLATION = 1078 new Key<float[]>("android.lens.poseTranslation", float[].class); 1079 1080 /** 1081 * <p>The parameters for this camera device's intrinsic 1082 * calibration.</p> 1083 * <p>The five calibration parameters that describe the 1084 * transform from camera-centric 3D coordinates to sensor 1085 * pixel coordinates:</p> 1086 * <pre><code>[f_x, f_y, c_x, c_y, s] 1087 * </code></pre> 1088 * <p>Where <code>f_x</code> and <code>f_y</code> are the horizontal and vertical 1089 * focal lengths, <code>[c_x, c_y]</code> is the position of the optical 1090 * axis, and <code>s</code> is a skew parameter for the sensor plane not 1091 * being aligned with the lens plane.</p> 1092 * <p>These are typically used within a transformation matrix K:</p> 1093 * <pre><code>K = [ f_x, s, c_x, 1094 * 0, f_y, c_y, 1095 * 0 0, 1 ] 1096 * </code></pre> 1097 * <p>which can then be combined with the camera pose rotation 1098 * <code>R</code> and translation <code>t</code> ({@link CameraCharacteristics#LENS_POSE_ROTATION android.lens.poseRotation} and 1099 * {@link CameraCharacteristics#LENS_POSE_TRANSLATION android.lens.poseTranslation}, respective) to calculate the 1100 * complete transform from world coordinates to pixel 1101 * coordinates:</p> 1102 * <pre><code>P = [ K 0 * [ R t 1103 * 0 1 ] 0 1 ] 1104 * </code></pre> 1105 * <p>and with <code>p_w</code> being a point in the world coordinate system 1106 * and <code>p_s</code> being a point in the camera active pixel array 1107 * coordinate system, and with the mapping including the 1108 * homogeneous division by z:</p> 1109 * <pre><code> p_h = (x_h, y_h, z_h) = P p_w 1110 * p_s = p_h / z_h 1111 * </code></pre> 1112 * <p>so <code>[x_s, y_s]</code> is the pixel coordinates of the world 1113 * point, <code>z_s = 1</code>, and <code>w_s</code> is a measurement of disparity 1114 * (depth) in pixel coordinates.</p> 1115 * <p>Note that the coordinate system for this transform is the 1116 * {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} system, 1117 * where <code>(0,0)</code> is the top-left of the 1118 * preCorrectionActiveArraySize rectangle. Once the pose and 1119 * intrinsic calibration transforms have been applied to a 1120 * world point, then the {@link CameraCharacteristics#LENS_RADIAL_DISTORTION android.lens.radialDistortion} 1121 * transform needs to be applied, and the result adjusted to 1122 * be in the {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize} coordinate 1123 * system (where <code>(0, 0)</code> is the top-left of the 1124 * activeArraySize rectangle), to determine the final pixel 1125 * coordinate of the world point for processed (non-RAW) 1126 * output buffers.</p> 1127 * <p><b>Units</b>: 1128 * Pixels in the 1129 * {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} 1130 * coordinate system.</p> 1131 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1132 * 1133 * @see CameraCharacteristics#LENS_POSE_ROTATION 1134 * @see CameraCharacteristics#LENS_POSE_TRANSLATION 1135 * @see CameraCharacteristics#LENS_RADIAL_DISTORTION 1136 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1137 * @see CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE 1138 */ 1139 @PublicKey 1140 public static final Key<float[]> LENS_INTRINSIC_CALIBRATION = 1141 new Key<float[]>("android.lens.intrinsicCalibration", float[].class); 1142 1143 /** 1144 * <p>The correction coefficients to correct for this camera device's 1145 * radial and tangential lens distortion.</p> 1146 * <p>Four radial distortion coefficients <code>[kappa_0, kappa_1, kappa_2, 1147 * kappa_3]</code> and two tangential distortion coefficients 1148 * <code>[kappa_4, kappa_5]</code> that can be used to correct the 1149 * lens's geometric distortion with the mapping equations:</p> 1150 * <pre><code> x_c = x_i * ( kappa_0 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) + 1151 * kappa_4 * (2 * x_i * y_i) + kappa_5 * ( r^2 + 2 * x_i^2 ) 1152 * y_c = y_i * ( kappa_0 + kappa_1 * r^2 + kappa_2 * r^4 + kappa_3 * r^6 ) + 1153 * kappa_5 * (2 * x_i * y_i) + kappa_4 * ( r^2 + 2 * y_i^2 ) 1154 * </code></pre> 1155 * <p>Here, <code>[x_c, y_c]</code> are the coordinates to sample in the 1156 * input image that correspond to the pixel values in the 1157 * corrected image at the coordinate <code>[x_i, y_i]</code>:</p> 1158 * <pre><code> correctedImage(x_i, y_i) = sample_at(x_c, y_c, inputImage) 1159 * </code></pre> 1160 * <p>The pixel coordinates are defined in a normalized 1161 * coordinate system related to the 1162 * {@link CameraCharacteristics#LENS_INTRINSIC_CALIBRATION android.lens.intrinsicCalibration} calibration fields. 1163 * Both <code>[x_i, y_i]</code> and <code>[x_c, y_c]</code> have <code>(0,0)</code> at the 1164 * lens optical center <code>[c_x, c_y]</code>. The maximum magnitudes 1165 * of both x and y coordinates are normalized to be 1 at the 1166 * edge further from the optical center, so the range 1167 * for both dimensions is <code>-1 <= x <= 1</code>.</p> 1168 * <p>Finally, <code>r</code> represents the radial distance from the 1169 * optical center, <code>r^2 = x_i^2 + y_i^2</code>, and its magnitude 1170 * is therefore no larger than <code>|r| <= sqrt(2)</code>.</p> 1171 * <p>The distortion model used is the Brown-Conrady model.</p> 1172 * <p><b>Units</b>: 1173 * Unitless coefficients.</p> 1174 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1175 * 1176 * @see CameraCharacteristics#LENS_INTRINSIC_CALIBRATION 1177 */ 1178 @PublicKey 1179 public static final Key<float[]> LENS_RADIAL_DISTORTION = 1180 new Key<float[]>("android.lens.radialDistortion", float[].class); 1181 1182 /** 1183 * <p>List of noise reduction modes for {@link CaptureRequest#NOISE_REDUCTION_MODE android.noiseReduction.mode} that are supported 1184 * by this camera device.</p> 1185 * <p>Full-capability camera devices will always support OFF and FAST.</p> 1186 * <p>Camera devices that support YUV_REPROCESSING or PRIVATE_REPROCESSING will support 1187 * ZERO_SHUTTER_LAG.</p> 1188 * <p>Legacy-capability camera devices will only support FAST mode.</p> 1189 * <p><b>Range of valid values:</b><br> 1190 * Any value listed in {@link CaptureRequest#NOISE_REDUCTION_MODE android.noiseReduction.mode}</p> 1191 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1192 * <p><b>Limited capability</b> - 1193 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 1194 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 1195 * 1196 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1197 * @see CaptureRequest#NOISE_REDUCTION_MODE 1198 */ 1199 @PublicKey 1200 public static final Key<int[]> NOISE_REDUCTION_AVAILABLE_NOISE_REDUCTION_MODES = 1201 new Key<int[]>("android.noiseReduction.availableNoiseReductionModes", int[].class); 1202 1203 /** 1204 * <p>If set to 1, the HAL will always split result 1205 * metadata for a single capture into multiple buffers, 1206 * returned using multiple process_capture_result calls.</p> 1207 * <p>Does not need to be listed in static 1208 * metadata. Support for partial results will be reworked in 1209 * future versions of camera service. This quirk will stop 1210 * working at that point; DO NOT USE without careful 1211 * consideration of future support.</p> 1212 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1213 * @deprecated 1214 * @hide 1215 */ 1216 @Deprecated 1217 public static final Key<Byte> QUIRKS_USE_PARTIAL_RESULT = 1218 new Key<Byte>("android.quirks.usePartialResult", byte.class); 1219 1220 /** 1221 * <p>The maximum numbers of different types of output streams 1222 * that can be configured and used simultaneously by a camera device.</p> 1223 * <p>This is a 3 element tuple that contains the max number of output simultaneous 1224 * streams for raw sensor, processed (but not stalling), and processed (and stalling) 1225 * formats respectively. For example, assuming that JPEG is typically a processed and 1226 * stalling stream, if max raw sensor format output stream number is 1, max YUV streams 1227 * number is 3, and max JPEG stream number is 2, then this tuple should be <code>(1, 3, 2)</code>.</p> 1228 * <p>This lists the upper bound of the number of output streams supported by 1229 * the camera device. Using more streams simultaneously may require more hardware and 1230 * CPU resources that will consume more power. The image format for an output stream can 1231 * be any supported format provided by android.scaler.availableStreamConfigurations. 1232 * The formats defined in android.scaler.availableStreamConfigurations can be catergorized 1233 * into the 3 stream types as below:</p> 1234 * <ul> 1235 * <li>Processed (but stalling): any non-RAW format with a stallDurations > 0. 1236 * Typically {@link android.graphics.ImageFormat#JPEG JPEG format}.</li> 1237 * <li>Raw formats: {@link android.graphics.ImageFormat#RAW_SENSOR RAW_SENSOR}, {@link android.graphics.ImageFormat#RAW10 RAW10}, or {@link android.graphics.ImageFormat#RAW12 RAW12}.</li> 1238 * <li>Processed (but not-stalling): any non-RAW format without a stall duration. 1239 * Typically {@link android.graphics.ImageFormat#YUV_420_888 YUV_420_888}, 1240 * {@link android.graphics.ImageFormat#NV21 NV21}, or 1241 * {@link android.graphics.ImageFormat#YV12 YV12}.</li> 1242 * </ul> 1243 * <p><b>Range of valid values:</b><br></p> 1244 * <p>For processed (and stalling) format streams, >= 1.</p> 1245 * <p>For Raw format (either stalling or non-stalling) streams, >= 0.</p> 1246 * <p>For processed (but not stalling) format streams, >= 3 1247 * for FULL mode devices (<code>{@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == FULL</code>); 1248 * >= 2 for LIMITED mode devices (<code>{@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == LIMITED</code>).</p> 1249 * <p>This key is available on all devices.</p> 1250 * 1251 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1252 * @hide 1253 */ 1254 public static final Key<int[]> REQUEST_MAX_NUM_OUTPUT_STREAMS = 1255 new Key<int[]>("android.request.maxNumOutputStreams", int[].class); 1256 1257 /** 1258 * <p>The maximum numbers of different types of output streams 1259 * that can be configured and used simultaneously by a camera device 1260 * for any <code>RAW</code> formats.</p> 1261 * <p>This value contains the max number of output simultaneous 1262 * streams from the raw sensor.</p> 1263 * <p>This lists the upper bound of the number of output streams supported by 1264 * the camera device. Using more streams simultaneously may require more hardware and 1265 * CPU resources that will consume more power. The image format for this kind of an output stream can 1266 * be any <code>RAW</code> and supported format provided by {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}.</p> 1267 * <p>In particular, a <code>RAW</code> format is typically one of:</p> 1268 * <ul> 1269 * <li>{@link android.graphics.ImageFormat#RAW_SENSOR RAW_SENSOR}</li> 1270 * <li>{@link android.graphics.ImageFormat#RAW10 RAW10}</li> 1271 * <li>{@link android.graphics.ImageFormat#RAW12 RAW12}</li> 1272 * </ul> 1273 * <p>LEGACY mode devices ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} <code>==</code> LEGACY) 1274 * never support raw streams.</p> 1275 * <p><b>Range of valid values:</b><br></p> 1276 * <p>>= 0</p> 1277 * <p>This key is available on all devices.</p> 1278 * 1279 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1280 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 1281 */ 1282 @PublicKey 1283 @SyntheticKey 1284 public static final Key<Integer> REQUEST_MAX_NUM_OUTPUT_RAW = 1285 new Key<Integer>("android.request.maxNumOutputRaw", int.class); 1286 1287 /** 1288 * <p>The maximum numbers of different types of output streams 1289 * that can be configured and used simultaneously by a camera device 1290 * for any processed (but not-stalling) formats.</p> 1291 * <p>This value contains the max number of output simultaneous 1292 * streams for any processed (but not-stalling) formats.</p> 1293 * <p>This lists the upper bound of the number of output streams supported by 1294 * the camera device. Using more streams simultaneously may require more hardware and 1295 * CPU resources that will consume more power. The image format for this kind of an output stream can 1296 * be any non-<code>RAW</code> and supported format provided by {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}.</p> 1297 * <p>Processed (but not-stalling) is defined as any non-RAW format without a stall duration. 1298 * Typically:</p> 1299 * <ul> 1300 * <li>{@link android.graphics.ImageFormat#YUV_420_888 YUV_420_888}</li> 1301 * <li>{@link android.graphics.ImageFormat#NV21 NV21}</li> 1302 * <li>{@link android.graphics.ImageFormat#YV12 YV12}</li> 1303 * <li>Implementation-defined formats, i.e. {@link android.hardware.camera2.params.StreamConfigurationMap#isOutputSupportedFor(Class) }</li> 1304 * </ul> 1305 * <p>For full guarantees, query {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration } with a 1306 * processed format -- it will return 0 for a non-stalling stream.</p> 1307 * <p>LEGACY devices will support at least 2 processing/non-stalling streams.</p> 1308 * <p><b>Range of valid values:</b><br></p> 1309 * <p>>= 3 1310 * for FULL mode devices (<code>{@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == FULL</code>); 1311 * >= 2 for LIMITED mode devices (<code>{@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == LIMITED</code>).</p> 1312 * <p>This key is available on all devices.</p> 1313 * 1314 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1315 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 1316 */ 1317 @PublicKey 1318 @SyntheticKey 1319 public static final Key<Integer> REQUEST_MAX_NUM_OUTPUT_PROC = 1320 new Key<Integer>("android.request.maxNumOutputProc", int.class); 1321 1322 /** 1323 * <p>The maximum numbers of different types of output streams 1324 * that can be configured and used simultaneously by a camera device 1325 * for any processed (and stalling) formats.</p> 1326 * <p>This value contains the max number of output simultaneous 1327 * streams for any processed (but not-stalling) formats.</p> 1328 * <p>This lists the upper bound of the number of output streams supported by 1329 * the camera device. Using more streams simultaneously may require more hardware and 1330 * CPU resources that will consume more power. The image format for this kind of an output stream can 1331 * be any non-<code>RAW</code> and supported format provided by {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap}.</p> 1332 * <p>A processed and stalling format is defined as any non-RAW format with a stallDurations 1333 * > 0. Typically only the {@link android.graphics.ImageFormat#JPEG JPEG format} is a 1334 * stalling format.</p> 1335 * <p>For full guarantees, query {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration } with a 1336 * processed format -- it will return a non-0 value for a stalling stream.</p> 1337 * <p>LEGACY devices will support up to 1 processing/stalling stream.</p> 1338 * <p><b>Range of valid values:</b><br></p> 1339 * <p>>= 1</p> 1340 * <p>This key is available on all devices.</p> 1341 * 1342 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 1343 */ 1344 @PublicKey 1345 @SyntheticKey 1346 public static final Key<Integer> REQUEST_MAX_NUM_OUTPUT_PROC_STALLING = 1347 new Key<Integer>("android.request.maxNumOutputProcStalling", int.class); 1348 1349 /** 1350 * <p>The maximum numbers of any type of input streams 1351 * that can be configured and used simultaneously by a camera device.</p> 1352 * <p>When set to 0, it means no input stream is supported.</p> 1353 * <p>The image format for a input stream can be any supported format returned by {@link android.hardware.camera2.params.StreamConfigurationMap#getInputFormats }. When using an 1354 * input stream, there must be at least one output stream configured to to receive the 1355 * reprocessed images.</p> 1356 * <p>When an input stream and some output streams are used in a reprocessing request, 1357 * only the input buffer will be used to produce these output stream buffers, and a 1358 * new sensor image will not be captured.</p> 1359 * <p>For example, for Zero Shutter Lag (ZSL) still capture use case, the input 1360 * stream image format will be PRIVATE, the associated output stream image format 1361 * should be JPEG.</p> 1362 * <p><b>Range of valid values:</b><br></p> 1363 * <p>0 or 1.</p> 1364 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1365 * <p><b>Full capability</b> - 1366 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 1367 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 1368 * 1369 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1370 */ 1371 @PublicKey 1372 public static final Key<Integer> REQUEST_MAX_NUM_INPUT_STREAMS = 1373 new Key<Integer>("android.request.maxNumInputStreams", int.class); 1374 1375 /** 1376 * <p>Specifies the number of maximum pipeline stages a frame 1377 * has to go through from when it's exposed to when it's available 1378 * to the framework.</p> 1379 * <p>A typical minimum value for this is 2 (one stage to expose, 1380 * one stage to readout) from the sensor. The ISP then usually adds 1381 * its own stages to do custom HW processing. Further stages may be 1382 * added by SW processing.</p> 1383 * <p>Depending on what settings are used (e.g. YUV, JPEG) and what 1384 * processing is enabled (e.g. face detection), the actual pipeline 1385 * depth (specified by {@link CaptureResult#REQUEST_PIPELINE_DEPTH android.request.pipelineDepth}) may be less than 1386 * the max pipeline depth.</p> 1387 * <p>A pipeline depth of X stages is equivalent to a pipeline latency of 1388 * X frame intervals.</p> 1389 * <p>This value will normally be 8 or less, however, for high speed capture session, 1390 * the max pipeline depth will be up to 8 x size of high speed capture request list.</p> 1391 * <p>This key is available on all devices.</p> 1392 * 1393 * @see CaptureResult#REQUEST_PIPELINE_DEPTH 1394 */ 1395 @PublicKey 1396 public static final Key<Byte> REQUEST_PIPELINE_MAX_DEPTH = 1397 new Key<Byte>("android.request.pipelineMaxDepth", byte.class); 1398 1399 /** 1400 * <p>Defines how many sub-components 1401 * a result will be composed of.</p> 1402 * <p>In order to combat the pipeline latency, partial results 1403 * may be delivered to the application layer from the camera device as 1404 * soon as they are available.</p> 1405 * <p>Optional; defaults to 1. A value of 1 means that partial 1406 * results are not supported, and only the final TotalCaptureResult will 1407 * be produced by the camera device.</p> 1408 * <p>A typical use case for this might be: after requesting an 1409 * auto-focus (AF) lock the new AF state might be available 50% 1410 * of the way through the pipeline. The camera device could 1411 * then immediately dispatch this state via a partial result to 1412 * the application, and the rest of the metadata via later 1413 * partial results.</p> 1414 * <p><b>Range of valid values:</b><br> 1415 * >= 1</p> 1416 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1417 */ 1418 @PublicKey 1419 public static final Key<Integer> REQUEST_PARTIAL_RESULT_COUNT = 1420 new Key<Integer>("android.request.partialResultCount", int.class); 1421 1422 /** 1423 * <p>List of capabilities that this camera device 1424 * advertises as fully supporting.</p> 1425 * <p>A capability is a contract that the camera device makes in order 1426 * to be able to satisfy one or more use cases.</p> 1427 * <p>Listing a capability guarantees that the whole set of features 1428 * required to support a common use will all be available.</p> 1429 * <p>Using a subset of the functionality provided by an unsupported 1430 * capability may be possible on a specific camera device implementation; 1431 * to do this query each of android.request.availableRequestKeys, 1432 * android.request.availableResultKeys, 1433 * android.request.availableCharacteristicsKeys.</p> 1434 * <p>The following capabilities are guaranteed to be available on 1435 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} <code>==</code> FULL devices:</p> 1436 * <ul> 1437 * <li>MANUAL_SENSOR</li> 1438 * <li>MANUAL_POST_PROCESSING</li> 1439 * </ul> 1440 * <p>Other capabilities may be available on either FULL or LIMITED 1441 * devices, but the application should query this key to be sure.</p> 1442 * <p><b>Possible values:</b> 1443 * <ul> 1444 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE BACKWARD_COMPATIBLE}</li> 1445 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR MANUAL_SENSOR}</li> 1446 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING MANUAL_POST_PROCESSING}</li> 1447 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_RAW RAW}</li> 1448 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING PRIVATE_REPROCESSING}</li> 1449 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_READ_SENSOR_SETTINGS READ_SENSOR_SETTINGS}</li> 1450 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE BURST_CAPTURE}</li> 1451 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_YUV_REPROCESSING YUV_REPROCESSING}</li> 1452 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT DEPTH_OUTPUT}</li> 1453 * <li>{@link #REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO CONSTRAINED_HIGH_SPEED_VIDEO}</li> 1454 * </ul></p> 1455 * <p>This key is available on all devices.</p> 1456 * 1457 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1458 * @see #REQUEST_AVAILABLE_CAPABILITIES_BACKWARD_COMPATIBLE 1459 * @see #REQUEST_AVAILABLE_CAPABILITIES_MANUAL_SENSOR 1460 * @see #REQUEST_AVAILABLE_CAPABILITIES_MANUAL_POST_PROCESSING 1461 * @see #REQUEST_AVAILABLE_CAPABILITIES_RAW 1462 * @see #REQUEST_AVAILABLE_CAPABILITIES_PRIVATE_REPROCESSING 1463 * @see #REQUEST_AVAILABLE_CAPABILITIES_READ_SENSOR_SETTINGS 1464 * @see #REQUEST_AVAILABLE_CAPABILITIES_BURST_CAPTURE 1465 * @see #REQUEST_AVAILABLE_CAPABILITIES_YUV_REPROCESSING 1466 * @see #REQUEST_AVAILABLE_CAPABILITIES_DEPTH_OUTPUT 1467 * @see #REQUEST_AVAILABLE_CAPABILITIES_CONSTRAINED_HIGH_SPEED_VIDEO 1468 */ 1469 @PublicKey 1470 public static final Key<int[]> REQUEST_AVAILABLE_CAPABILITIES = 1471 new Key<int[]>("android.request.availableCapabilities", int[].class); 1472 1473 /** 1474 * <p>A list of all keys that the camera device has available 1475 * to use with {@link android.hardware.camera2.CaptureRequest }.</p> 1476 * <p>Attempting to set a key into a CaptureRequest that is not 1477 * listed here will result in an invalid request and will be rejected 1478 * by the camera device.</p> 1479 * <p>This field can be used to query the feature set of a camera device 1480 * at a more granular level than capabilities. This is especially 1481 * important for optional keys that are not listed under any capability 1482 * in {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}.</p> 1483 * <p>This key is available on all devices.</p> 1484 * 1485 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1486 * @hide 1487 */ 1488 public static final Key<int[]> REQUEST_AVAILABLE_REQUEST_KEYS = 1489 new Key<int[]>("android.request.availableRequestKeys", int[].class); 1490 1491 /** 1492 * <p>A list of all keys that the camera device has available 1493 * to use with {@link android.hardware.camera2.CaptureResult }.</p> 1494 * <p>Attempting to get a key from a CaptureResult that is not 1495 * listed here will always return a <code>null</code> value. Getting a key from 1496 * a CaptureResult that is listed here will generally never return a <code>null</code> 1497 * value.</p> 1498 * <p>The following keys may return <code>null</code> unless they are enabled:</p> 1499 * <ul> 1500 * <li>android.statistics.lensShadingMap (non-null iff {@link CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE android.statistics.lensShadingMapMode} == ON)</li> 1501 * </ul> 1502 * <p>(Those sometimes-null keys will nevertheless be listed here 1503 * if they are available.)</p> 1504 * <p>This field can be used to query the feature set of a camera device 1505 * at a more granular level than capabilities. This is especially 1506 * important for optional keys that are not listed under any capability 1507 * in {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}.</p> 1508 * <p>This key is available on all devices.</p> 1509 * 1510 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1511 * @see CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE 1512 * @hide 1513 */ 1514 public static final Key<int[]> REQUEST_AVAILABLE_RESULT_KEYS = 1515 new Key<int[]>("android.request.availableResultKeys", int[].class); 1516 1517 /** 1518 * <p>A list of all keys that the camera device has available 1519 * to use with {@link android.hardware.camera2.CameraCharacteristics }.</p> 1520 * <p>This entry follows the same rules as 1521 * android.request.availableResultKeys (except that it applies for 1522 * CameraCharacteristics instead of CaptureResult). See above for more 1523 * details.</p> 1524 * <p>This key is available on all devices.</p> 1525 * @hide 1526 */ 1527 public static final Key<int[]> REQUEST_AVAILABLE_CHARACTERISTICS_KEYS = 1528 new Key<int[]>("android.request.availableCharacteristicsKeys", int[].class); 1529 1530 /** 1531 * <p>The list of image formats that are supported by this 1532 * camera device for output streams.</p> 1533 * <p>All camera devices will support JPEG and YUV_420_888 formats.</p> 1534 * <p>When set to YUV_420_888, application can access the YUV420 data directly.</p> 1535 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1536 * @deprecated 1537 * @hide 1538 */ 1539 @Deprecated 1540 public static final Key<int[]> SCALER_AVAILABLE_FORMATS = 1541 new Key<int[]>("android.scaler.availableFormats", int[].class); 1542 1543 /** 1544 * <p>The minimum frame duration that is supported 1545 * for each resolution in android.scaler.availableJpegSizes.</p> 1546 * <p>This corresponds to the minimum steady-state frame duration when only 1547 * that JPEG stream is active and captured in a burst, with all 1548 * processing (typically in android.*.mode) set to FAST.</p> 1549 * <p>When multiple streams are configured, the minimum 1550 * frame duration will be >= max(individual stream min 1551 * durations)</p> 1552 * <p><b>Units</b>: Nanoseconds</p> 1553 * <p><b>Range of valid values:</b><br> 1554 * TODO: Remove property.</p> 1555 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1556 * @deprecated 1557 * @hide 1558 */ 1559 @Deprecated 1560 public static final Key<long[]> SCALER_AVAILABLE_JPEG_MIN_DURATIONS = 1561 new Key<long[]>("android.scaler.availableJpegMinDurations", long[].class); 1562 1563 /** 1564 * <p>The JPEG resolutions that are supported by this camera device.</p> 1565 * <p>The resolutions are listed as <code>(width, height)</code> pairs. All camera devices will support 1566 * sensor maximum resolution (defined by {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}).</p> 1567 * <p><b>Range of valid values:</b><br> 1568 * TODO: Remove property.</p> 1569 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1570 * 1571 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1572 * @deprecated 1573 * @hide 1574 */ 1575 @Deprecated 1576 public static final Key<android.util.Size[]> SCALER_AVAILABLE_JPEG_SIZES = 1577 new Key<android.util.Size[]>("android.scaler.availableJpegSizes", android.util.Size[].class); 1578 1579 /** 1580 * <p>The maximum ratio between both active area width 1581 * and crop region width, and active area height and 1582 * crop region height, for {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}.</p> 1583 * <p>This represents the maximum amount of zooming possible by 1584 * the camera device, or equivalently, the minimum cropping 1585 * window size.</p> 1586 * <p>Crop regions that have a width or height that is smaller 1587 * than this ratio allows will be rounded up to the minimum 1588 * allowed size by the camera device.</p> 1589 * <p><b>Units</b>: Zoom scale factor</p> 1590 * <p><b>Range of valid values:</b><br> 1591 * >=1</p> 1592 * <p>This key is available on all devices.</p> 1593 * 1594 * @see CaptureRequest#SCALER_CROP_REGION 1595 */ 1596 @PublicKey 1597 public static final Key<Float> SCALER_AVAILABLE_MAX_DIGITAL_ZOOM = 1598 new Key<Float>("android.scaler.availableMaxDigitalZoom", float.class); 1599 1600 /** 1601 * <p>For each available processed output size (defined in 1602 * android.scaler.availableProcessedSizes), this property lists the 1603 * minimum supportable frame duration for that size.</p> 1604 * <p>This should correspond to the frame duration when only that processed 1605 * stream is active, with all processing (typically in android.*.mode) 1606 * set to FAST.</p> 1607 * <p>When multiple streams are configured, the minimum frame duration will 1608 * be >= max(individual stream min durations).</p> 1609 * <p><b>Units</b>: Nanoseconds</p> 1610 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1611 * @deprecated 1612 * @hide 1613 */ 1614 @Deprecated 1615 public static final Key<long[]> SCALER_AVAILABLE_PROCESSED_MIN_DURATIONS = 1616 new Key<long[]>("android.scaler.availableProcessedMinDurations", long[].class); 1617 1618 /** 1619 * <p>The resolutions available for use with 1620 * processed output streams, such as YV12, NV12, and 1621 * platform opaque YUV/RGB streams to the GPU or video 1622 * encoders.</p> 1623 * <p>The resolutions are listed as <code>(width, height)</code> pairs.</p> 1624 * <p>For a given use case, the actual maximum supported resolution 1625 * may be lower than what is listed here, depending on the destination 1626 * Surface for the image data. For example, for recording video, 1627 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 1628 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 1629 * can provide.</p> 1630 * <p>Please reference the documentation for the image data destination to 1631 * check if it limits the maximum size for image data.</p> 1632 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1633 * @deprecated 1634 * @hide 1635 */ 1636 @Deprecated 1637 public static final Key<android.util.Size[]> SCALER_AVAILABLE_PROCESSED_SIZES = 1638 new Key<android.util.Size[]>("android.scaler.availableProcessedSizes", android.util.Size[].class); 1639 1640 /** 1641 * <p>The mapping of image formats that are supported by this 1642 * camera device for input streams, to their corresponding output formats.</p> 1643 * <p>All camera devices with at least 1 1644 * {@link CameraCharacteristics#REQUEST_MAX_NUM_INPUT_STREAMS android.request.maxNumInputStreams} will have at least one 1645 * available input format.</p> 1646 * <p>The camera device will support the following map of formats, 1647 * if its dependent capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}) is supported:</p> 1648 * <table> 1649 * <thead> 1650 * <tr> 1651 * <th align="left">Input Format</th> 1652 * <th align="left">Output Format</th> 1653 * <th align="left">Capability</th> 1654 * </tr> 1655 * </thead> 1656 * <tbody> 1657 * <tr> 1658 * <td align="left">{@link android.graphics.ImageFormat#PRIVATE }</td> 1659 * <td align="left">{@link android.graphics.ImageFormat#JPEG }</td> 1660 * <td align="left">PRIVATE_REPROCESSING</td> 1661 * </tr> 1662 * <tr> 1663 * <td align="left">{@link android.graphics.ImageFormat#PRIVATE }</td> 1664 * <td align="left">{@link android.graphics.ImageFormat#YUV_420_888 }</td> 1665 * <td align="left">PRIVATE_REPROCESSING</td> 1666 * </tr> 1667 * <tr> 1668 * <td align="left">{@link android.graphics.ImageFormat#YUV_420_888 }</td> 1669 * <td align="left">{@link android.graphics.ImageFormat#JPEG }</td> 1670 * <td align="left">YUV_REPROCESSING</td> 1671 * </tr> 1672 * <tr> 1673 * <td align="left">{@link android.graphics.ImageFormat#YUV_420_888 }</td> 1674 * <td align="left">{@link android.graphics.ImageFormat#YUV_420_888 }</td> 1675 * <td align="left">YUV_REPROCESSING</td> 1676 * </tr> 1677 * </tbody> 1678 * </table> 1679 * <p>PRIVATE refers to a device-internal format that is not directly application-visible. A 1680 * PRIVATE input surface can be acquired by {@link android.media.ImageReader#newInstance } 1681 * with {@link android.graphics.ImageFormat#PRIVATE } as the format.</p> 1682 * <p>For a PRIVATE_REPROCESSING-capable camera device, using the PRIVATE format as either input 1683 * or output will never hurt maximum frame rate (i.e. {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration getOutputStallDuration(ImageFormat.PRIVATE, size)} is always 0),</p> 1684 * <p>Attempting to configure an input stream with output streams not 1685 * listed as available in this map is not valid.</p> 1686 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 1687 * 1688 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1689 * @see CameraCharacteristics#REQUEST_MAX_NUM_INPUT_STREAMS 1690 * @hide 1691 */ 1692 public static final Key<android.hardware.camera2.params.ReprocessFormatsMap> SCALER_AVAILABLE_INPUT_OUTPUT_FORMATS_MAP = 1693 new Key<android.hardware.camera2.params.ReprocessFormatsMap>("android.scaler.availableInputOutputFormatsMap", android.hardware.camera2.params.ReprocessFormatsMap.class); 1694 1695 /** 1696 * <p>The available stream configurations that this 1697 * camera device supports 1698 * (i.e. format, width, height, output/input stream).</p> 1699 * <p>The configurations are listed as <code>(format, width, height, input?)</code> 1700 * tuples.</p> 1701 * <p>For a given use case, the actual maximum supported resolution 1702 * may be lower than what is listed here, depending on the destination 1703 * Surface for the image data. For example, for recording video, 1704 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 1705 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 1706 * can provide.</p> 1707 * <p>Please reference the documentation for the image data destination to 1708 * check if it limits the maximum size for image data.</p> 1709 * <p>Not all output formats may be supported in a configuration with 1710 * an input stream of a particular format. For more details, see 1711 * android.scaler.availableInputOutputFormatsMap.</p> 1712 * <p>The following table describes the minimum required output stream 1713 * configurations based on the hardware level 1714 * ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel}):</p> 1715 * <table> 1716 * <thead> 1717 * <tr> 1718 * <th align="center">Format</th> 1719 * <th align="center">Size</th> 1720 * <th align="center">Hardware Level</th> 1721 * <th align="center">Notes</th> 1722 * </tr> 1723 * </thead> 1724 * <tbody> 1725 * <tr> 1726 * <td align="center">JPEG</td> 1727 * <td align="center">{@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}</td> 1728 * <td align="center">Any</td> 1729 * <td align="center"></td> 1730 * </tr> 1731 * <tr> 1732 * <td align="center">JPEG</td> 1733 * <td align="center">1920x1080 (1080p)</td> 1734 * <td align="center">Any</td> 1735 * <td align="center">if 1080p <= activeArraySize</td> 1736 * </tr> 1737 * <tr> 1738 * <td align="center">JPEG</td> 1739 * <td align="center">1280x720 (720)</td> 1740 * <td align="center">Any</td> 1741 * <td align="center">if 720p <= activeArraySize</td> 1742 * </tr> 1743 * <tr> 1744 * <td align="center">JPEG</td> 1745 * <td align="center">640x480 (480p)</td> 1746 * <td align="center">Any</td> 1747 * <td align="center">if 480p <= activeArraySize</td> 1748 * </tr> 1749 * <tr> 1750 * <td align="center">JPEG</td> 1751 * <td align="center">320x240 (240p)</td> 1752 * <td align="center">Any</td> 1753 * <td align="center">if 240p <= activeArraySize</td> 1754 * </tr> 1755 * <tr> 1756 * <td align="center">YUV_420_888</td> 1757 * <td align="center">all output sizes available for JPEG</td> 1758 * <td align="center">FULL</td> 1759 * <td align="center"></td> 1760 * </tr> 1761 * <tr> 1762 * <td align="center">YUV_420_888</td> 1763 * <td align="center">all output sizes available for JPEG, up to the maximum video size</td> 1764 * <td align="center">LIMITED</td> 1765 * <td align="center"></td> 1766 * </tr> 1767 * <tr> 1768 * <td align="center">IMPLEMENTATION_DEFINED</td> 1769 * <td align="center">same as YUV_420_888</td> 1770 * <td align="center">Any</td> 1771 * <td align="center"></td> 1772 * </tr> 1773 * </tbody> 1774 * </table> 1775 * <p>Refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} for additional 1776 * mandatory stream configurations on a per-capability basis.</p> 1777 * <p>This key is available on all devices.</p> 1778 * 1779 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1780 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1781 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1782 * @hide 1783 */ 1784 public static final Key<android.hardware.camera2.params.StreamConfiguration[]> SCALER_AVAILABLE_STREAM_CONFIGURATIONS = 1785 new Key<android.hardware.camera2.params.StreamConfiguration[]>("android.scaler.availableStreamConfigurations", android.hardware.camera2.params.StreamConfiguration[].class); 1786 1787 /** 1788 * <p>This lists the minimum frame duration for each 1789 * format/size combination.</p> 1790 * <p>This should correspond to the frame duration when only that 1791 * stream is active, with all processing (typically in android.*.mode) 1792 * set to either OFF or FAST.</p> 1793 * <p>When multiple streams are used in a request, the minimum frame 1794 * duration will be max(individual stream min durations).</p> 1795 * <p>The minimum frame duration of a stream (of a particular format, size) 1796 * is the same regardless of whether the stream is input or output.</p> 1797 * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} and 1798 * android.scaler.availableStallDurations for more details about 1799 * calculating the max frame rate.</p> 1800 * <p>(Keep in sync with 1801 * {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputMinFrameDuration })</p> 1802 * <p><b>Units</b>: (format, width, height, ns) x n</p> 1803 * <p>This key is available on all devices.</p> 1804 * 1805 * @see CaptureRequest#SENSOR_FRAME_DURATION 1806 * @hide 1807 */ 1808 public static final Key<android.hardware.camera2.params.StreamConfigurationDuration[]> SCALER_AVAILABLE_MIN_FRAME_DURATIONS = 1809 new Key<android.hardware.camera2.params.StreamConfigurationDuration[]>("android.scaler.availableMinFrameDurations", android.hardware.camera2.params.StreamConfigurationDuration[].class); 1810 1811 /** 1812 * <p>This lists the maximum stall duration for each 1813 * output format/size combination.</p> 1814 * <p>A stall duration is how much extra time would get added 1815 * to the normal minimum frame duration for a repeating request 1816 * that has streams with non-zero stall.</p> 1817 * <p>For example, consider JPEG captures which have the following 1818 * characteristics:</p> 1819 * <ul> 1820 * <li>JPEG streams act like processed YUV streams in requests for which 1821 * they are not included; in requests in which they are directly 1822 * referenced, they act as JPEG streams. This is because supporting a 1823 * JPEG stream requires the underlying YUV data to always be ready for 1824 * use by a JPEG encoder, but the encoder will only be used (and impact 1825 * frame duration) on requests that actually reference a JPEG stream.</li> 1826 * <li>The JPEG processor can run concurrently to the rest of the camera 1827 * pipeline, but cannot process more than 1 capture at a time.</li> 1828 * </ul> 1829 * <p>In other words, using a repeating YUV request would result 1830 * in a steady frame rate (let's say it's 30 FPS). If a single 1831 * JPEG request is submitted periodically, the frame rate will stay 1832 * at 30 FPS (as long as we wait for the previous JPEG to return each 1833 * time). If we try to submit a repeating YUV + JPEG request, then 1834 * the frame rate will drop from 30 FPS.</p> 1835 * <p>In general, submitting a new request with a non-0 stall time 1836 * stream will <em>not</em> cause a frame rate drop unless there are still 1837 * outstanding buffers for that stream from previous requests.</p> 1838 * <p>Submitting a repeating request with streams (call this <code>S</code>) 1839 * is the same as setting the minimum frame duration from 1840 * the normal minimum frame duration corresponding to <code>S</code>, added with 1841 * the maximum stall duration for <code>S</code>.</p> 1842 * <p>If interleaving requests with and without a stall duration, 1843 * a request will stall by the maximum of the remaining times 1844 * for each can-stall stream with outstanding buffers.</p> 1845 * <p>This means that a stalling request will not have an exposure start 1846 * until the stall has completed.</p> 1847 * <p>This should correspond to the stall duration when only that stream is 1848 * active, with all processing (typically in android.*.mode) set to FAST 1849 * or OFF. Setting any of the processing modes to HIGH_QUALITY 1850 * effectively results in an indeterminate stall duration for all 1851 * streams in a request (the regular stall calculation rules are 1852 * ignored).</p> 1853 * <p>The following formats may always have a stall duration:</p> 1854 * <ul> 1855 * <li>{@link android.graphics.ImageFormat#JPEG }</li> 1856 * <li>{@link android.graphics.ImageFormat#RAW_SENSOR }</li> 1857 * </ul> 1858 * <p>The following formats will never have a stall duration:</p> 1859 * <ul> 1860 * <li>{@link android.graphics.ImageFormat#YUV_420_888 }</li> 1861 * <li>{@link android.graphics.ImageFormat#RAW10 }</li> 1862 * </ul> 1863 * <p>All other formats may or may not have an allowed stall duration on 1864 * a per-capability basis; refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} 1865 * for more details.</p> 1866 * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} for more information about 1867 * calculating the max frame rate (absent stalls).</p> 1868 * <p>(Keep up to date with 1869 * {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputStallDuration } )</p> 1870 * <p><b>Units</b>: (format, width, height, ns) x n</p> 1871 * <p>This key is available on all devices.</p> 1872 * 1873 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1874 * @see CaptureRequest#SENSOR_FRAME_DURATION 1875 * @hide 1876 */ 1877 public static final Key<android.hardware.camera2.params.StreamConfigurationDuration[]> SCALER_AVAILABLE_STALL_DURATIONS = 1878 new Key<android.hardware.camera2.params.StreamConfigurationDuration[]>("android.scaler.availableStallDurations", android.hardware.camera2.params.StreamConfigurationDuration[].class); 1879 1880 /** 1881 * <p>The available stream configurations that this 1882 * camera device supports; also includes the minimum frame durations 1883 * and the stall durations for each format/size combination.</p> 1884 * <p>All camera devices will support sensor maximum resolution (defined by 1885 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}) for the JPEG format.</p> 1886 * <p>For a given use case, the actual maximum supported resolution 1887 * may be lower than what is listed here, depending on the destination 1888 * Surface for the image data. For example, for recording video, 1889 * the video encoder chosen may have a maximum size limit (e.g. 1080p) 1890 * smaller than what the camera (e.g. maximum resolution is 3264x2448) 1891 * can provide.</p> 1892 * <p>Please reference the documentation for the image data destination to 1893 * check if it limits the maximum size for image data.</p> 1894 * <p>The following table describes the minimum required output stream 1895 * configurations based on the hardware level 1896 * ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel}):</p> 1897 * <table> 1898 * <thead> 1899 * <tr> 1900 * <th align="center">Format</th> 1901 * <th align="center">Size</th> 1902 * <th align="center">Hardware Level</th> 1903 * <th align="center">Notes</th> 1904 * </tr> 1905 * </thead> 1906 * <tbody> 1907 * <tr> 1908 * <td align="center">{@link android.graphics.ImageFormat#JPEG }</td> 1909 * <td align="center">{@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize} (*1)</td> 1910 * <td align="center">Any</td> 1911 * <td align="center"></td> 1912 * </tr> 1913 * <tr> 1914 * <td align="center">{@link android.graphics.ImageFormat#JPEG }</td> 1915 * <td align="center">1920x1080 (1080p)</td> 1916 * <td align="center">Any</td> 1917 * <td align="center">if 1080p <= activeArraySize</td> 1918 * </tr> 1919 * <tr> 1920 * <td align="center">{@link android.graphics.ImageFormat#JPEG }</td> 1921 * <td align="center">1280x720 (720p)</td> 1922 * <td align="center">Any</td> 1923 * <td align="center">if 720p <= activeArraySize</td> 1924 * </tr> 1925 * <tr> 1926 * <td align="center">{@link android.graphics.ImageFormat#JPEG }</td> 1927 * <td align="center">640x480 (480p)</td> 1928 * <td align="center">Any</td> 1929 * <td align="center">if 480p <= activeArraySize</td> 1930 * </tr> 1931 * <tr> 1932 * <td align="center">{@link android.graphics.ImageFormat#JPEG }</td> 1933 * <td align="center">320x240 (240p)</td> 1934 * <td align="center">Any</td> 1935 * <td align="center">if 240p <= activeArraySize</td> 1936 * </tr> 1937 * <tr> 1938 * <td align="center">{@link android.graphics.ImageFormat#YUV_420_888 }</td> 1939 * <td align="center">all output sizes available for JPEG</td> 1940 * <td align="center">FULL</td> 1941 * <td align="center"></td> 1942 * </tr> 1943 * <tr> 1944 * <td align="center">{@link android.graphics.ImageFormat#YUV_420_888 }</td> 1945 * <td align="center">all output sizes available for JPEG, up to the maximum video size</td> 1946 * <td align="center">LIMITED</td> 1947 * <td align="center"></td> 1948 * </tr> 1949 * <tr> 1950 * <td align="center">{@link android.graphics.ImageFormat#PRIVATE }</td> 1951 * <td align="center">same as YUV_420_888</td> 1952 * <td align="center">Any</td> 1953 * <td align="center"></td> 1954 * </tr> 1955 * </tbody> 1956 * </table> 1957 * <p>Refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} and {@link android.hardware.camera2.CameraDevice#createCaptureSession } for additional mandatory 1958 * stream configurations on a per-capability basis.</p> 1959 * <p>*1: For JPEG format, the sizes may be restricted by below conditions:</p> 1960 * <ul> 1961 * <li>The HAL may choose the aspect ratio of each Jpeg size to be one of well known ones 1962 * (e.g. 4:3, 16:9, 3:2 etc.). If the sensor maximum resolution 1963 * (defined by {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}) has an aspect ratio other than these, 1964 * it does not have to be included in the supported JPEG sizes.</li> 1965 * <li>Some hardware JPEG encoders may have pixel boundary alignment requirements, such as 1966 * the dimensions being a multiple of 16. 1967 * Therefore, the maximum JPEG size may be smaller than sensor maximum resolution. 1968 * However, the largest JPEG size will be as close as possible to the sensor maximum 1969 * resolution given above constraints. It is required that after aspect ratio adjustments, 1970 * additional size reduction due to other issues must be less than 3% in area. For example, 1971 * if the sensor maximum resolution is 3280x2464, if the maximum JPEG size has aspect 1972 * ratio 4:3, and the JPEG encoder alignment requirement is 16, the maximum JPEG size will be 1973 * 3264x2448.</li> 1974 * </ul> 1975 * <p>This key is available on all devices.</p> 1976 * 1977 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 1978 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 1979 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 1980 */ 1981 @PublicKey 1982 @SyntheticKey 1983 public static final Key<android.hardware.camera2.params.StreamConfigurationMap> SCALER_STREAM_CONFIGURATION_MAP = 1984 new Key<android.hardware.camera2.params.StreamConfigurationMap>("android.scaler.streamConfigurationMap", android.hardware.camera2.params.StreamConfigurationMap.class); 1985 1986 /** 1987 * <p>The crop type that this camera device supports.</p> 1988 * <p>When passing a non-centered crop region ({@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}) to a camera 1989 * device that only supports CENTER_ONLY cropping, the camera device will move the 1990 * crop region to the center of the sensor active array ({@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}) 1991 * and keep the crop region width and height unchanged. The camera device will return the 1992 * final used crop region in metadata result {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}.</p> 1993 * <p>Camera devices that support FREEFORM cropping will support any crop region that 1994 * is inside of the active array. The camera device will apply the same crop region and 1995 * return the final used crop region in capture result metadata {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}.</p> 1996 * <p>LEGACY capability devices will only support CENTER_ONLY cropping.</p> 1997 * <p><b>Possible values:</b> 1998 * <ul> 1999 * <li>{@link #SCALER_CROPPING_TYPE_CENTER_ONLY CENTER_ONLY}</li> 2000 * <li>{@link #SCALER_CROPPING_TYPE_FREEFORM FREEFORM}</li> 2001 * </ul></p> 2002 * <p>This key is available on all devices.</p> 2003 * 2004 * @see CaptureRequest#SCALER_CROP_REGION 2005 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 2006 * @see #SCALER_CROPPING_TYPE_CENTER_ONLY 2007 * @see #SCALER_CROPPING_TYPE_FREEFORM 2008 */ 2009 @PublicKey 2010 public static final Key<Integer> SCALER_CROPPING_TYPE = 2011 new Key<Integer>("android.scaler.croppingType", int.class); 2012 2013 /** 2014 * <p>The area of the image sensor which corresponds to active pixels after any geometric 2015 * distortion correction has been applied.</p> 2016 * <p>This is the rectangle representing the size of the active region of the sensor (i.e. 2017 * the region that actually receives light from the scene) after any geometric correction 2018 * has been applied, and should be treated as the maximum size in pixels of any of the 2019 * image output formats aside from the raw formats.</p> 2020 * <p>This rectangle is defined relative to the full pixel array; (0,0) is the top-left of 2021 * the full pixel array, and the size of the full pixel array is given by 2022 * {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}.</p> 2023 * <p>The coordinate system for most other keys that list pixel coordinates, including 2024 * {@link CaptureRequest#SCALER_CROP_REGION android.scaler.cropRegion}, is defined relative to the active array rectangle given in 2025 * this field, with <code>(0, 0)</code> being the top-left of this rectangle.</p> 2026 * <p>The active array may be smaller than the full pixel array, since the full array may 2027 * include black calibration pixels or other inactive regions, and geometric correction 2028 * resulting in scaling or cropping may have been applied.</p> 2029 * <p><b>Units</b>: Pixel coordinates on the image sensor</p> 2030 * <p>This key is available on all devices.</p> 2031 * 2032 * @see CaptureRequest#SCALER_CROP_REGION 2033 * @see CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE 2034 */ 2035 @PublicKey 2036 public static final Key<android.graphics.Rect> SENSOR_INFO_ACTIVE_ARRAY_SIZE = 2037 new Key<android.graphics.Rect>("android.sensor.info.activeArraySize", android.graphics.Rect.class); 2038 2039 /** 2040 * <p>Range of sensitivities for {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} supported by this 2041 * camera device.</p> 2042 * <p>The values are the standard ISO sensitivity values, 2043 * as defined in ISO 12232:2006.</p> 2044 * <p><b>Range of valid values:</b><br> 2045 * Min <= 100, Max >= 800</p> 2046 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2047 * <p><b>Full capability</b> - 2048 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2049 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2050 * 2051 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2052 * @see CaptureRequest#SENSOR_SENSITIVITY 2053 */ 2054 @PublicKey 2055 public static final Key<android.util.Range<Integer>> SENSOR_INFO_SENSITIVITY_RANGE = 2056 new Key<android.util.Range<Integer>>("android.sensor.info.sensitivityRange", new TypeReference<android.util.Range<Integer>>() {{ }}); 2057 2058 /** 2059 * <p>The arrangement of color filters on sensor; 2060 * represents the colors in the top-left 2x2 section of 2061 * the sensor, in reading order.</p> 2062 * <p><b>Possible values:</b> 2063 * <ul> 2064 * <li>{@link #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB RGGB}</li> 2065 * <li>{@link #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG GRBG}</li> 2066 * <li>{@link #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG GBRG}</li> 2067 * <li>{@link #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR BGGR}</li> 2068 * <li>{@link #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGB RGB}</li> 2069 * </ul></p> 2070 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2071 * <p><b>Full capability</b> - 2072 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2073 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2074 * 2075 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2076 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGGB 2077 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GRBG 2078 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_GBRG 2079 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_BGGR 2080 * @see #SENSOR_INFO_COLOR_FILTER_ARRANGEMENT_RGB 2081 */ 2082 @PublicKey 2083 public static final Key<Integer> SENSOR_INFO_COLOR_FILTER_ARRANGEMENT = 2084 new Key<Integer>("android.sensor.info.colorFilterArrangement", int.class); 2085 2086 /** 2087 * <p>The range of image exposure times for {@link CaptureRequest#SENSOR_EXPOSURE_TIME android.sensor.exposureTime} supported 2088 * by this camera device.</p> 2089 * <p><b>Units</b>: Nanoseconds</p> 2090 * <p><b>Range of valid values:</b><br> 2091 * The minimum exposure time will be less than 100 us. For FULL 2092 * capability devices ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == FULL), 2093 * the maximum exposure time will be greater than 100ms.</p> 2094 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2095 * <p><b>Full capability</b> - 2096 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2097 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2098 * 2099 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2100 * @see CaptureRequest#SENSOR_EXPOSURE_TIME 2101 */ 2102 @PublicKey 2103 public static final Key<android.util.Range<Long>> SENSOR_INFO_EXPOSURE_TIME_RANGE = 2104 new Key<android.util.Range<Long>>("android.sensor.info.exposureTimeRange", new TypeReference<android.util.Range<Long>>() {{ }}); 2105 2106 /** 2107 * <p>The maximum possible frame duration (minimum frame rate) for 2108 * {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} that is supported this camera device.</p> 2109 * <p>Attempting to use frame durations beyond the maximum will result in the frame 2110 * duration being clipped to the maximum. See that control for a full definition of frame 2111 * durations.</p> 2112 * <p>Refer to {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputMinFrameDuration } 2113 * for the minimum frame duration values.</p> 2114 * <p><b>Units</b>: Nanoseconds</p> 2115 * <p><b>Range of valid values:</b><br> 2116 * For FULL capability devices 2117 * ({@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} == FULL), at least 100ms.</p> 2118 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2119 * <p><b>Full capability</b> - 2120 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2121 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2122 * 2123 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2124 * @see CaptureRequest#SENSOR_FRAME_DURATION 2125 */ 2126 @PublicKey 2127 public static final Key<Long> SENSOR_INFO_MAX_FRAME_DURATION = 2128 new Key<Long>("android.sensor.info.maxFrameDuration", long.class); 2129 2130 /** 2131 * <p>The physical dimensions of the full pixel 2132 * array.</p> 2133 * <p>This is the physical size of the sensor pixel 2134 * array defined by {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}.</p> 2135 * <p><b>Units</b>: Millimeters</p> 2136 * <p>This key is available on all devices.</p> 2137 * 2138 * @see CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE 2139 */ 2140 @PublicKey 2141 public static final Key<android.util.SizeF> SENSOR_INFO_PHYSICAL_SIZE = 2142 new Key<android.util.SizeF>("android.sensor.info.physicalSize", android.util.SizeF.class); 2143 2144 /** 2145 * <p>Dimensions of the full pixel array, possibly 2146 * including black calibration pixels.</p> 2147 * <p>The pixel count of the full pixel array of the image sensor, which covers 2148 * {@link CameraCharacteristics#SENSOR_INFO_PHYSICAL_SIZE android.sensor.info.physicalSize} area. This represents the full pixel dimensions of 2149 * the raw buffers produced by this sensor.</p> 2150 * <p>If a camera device supports raw sensor formats, either this or 2151 * {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} is the maximum dimensions for the raw 2152 * output formats listed in {@link CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP android.scaler.streamConfigurationMap} (this depends on 2153 * whether or not the image sensor returns buffers containing pixels that are not 2154 * part of the active array region for blacklevel calibration or other purposes).</p> 2155 * <p>Some parts of the full pixel array may not receive light from the scene, 2156 * or be otherwise inactive. The {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} key 2157 * defines the rectangle of active pixels that will be included in processed image 2158 * formats.</p> 2159 * <p><b>Units</b>: Pixels</p> 2160 * <p>This key is available on all devices.</p> 2161 * 2162 * @see CameraCharacteristics#SCALER_STREAM_CONFIGURATION_MAP 2163 * @see CameraCharacteristics#SENSOR_INFO_PHYSICAL_SIZE 2164 * @see CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE 2165 */ 2166 @PublicKey 2167 public static final Key<android.util.Size> SENSOR_INFO_PIXEL_ARRAY_SIZE = 2168 new Key<android.util.Size>("android.sensor.info.pixelArraySize", android.util.Size.class); 2169 2170 /** 2171 * <p>Maximum raw value output by sensor.</p> 2172 * <p>This specifies the fully-saturated encoding level for the raw 2173 * sample values from the sensor. This is typically caused by the 2174 * sensor becoming highly non-linear or clipping. The minimum for 2175 * each channel is specified by the offset in the 2176 * {@link CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN android.sensor.blackLevelPattern} key.</p> 2177 * <p>The white level is typically determined either by sensor bit depth 2178 * (8-14 bits is expected), or by the point where the sensor response 2179 * becomes too non-linear to be useful. The default value for this is 2180 * maximum representable value for a 16-bit raw sample (2^16 - 1).</p> 2181 * <p><b>Range of valid values:</b><br> 2182 * > 255 (8-bit output)</p> 2183 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2184 * 2185 * @see CameraCharacteristics#SENSOR_BLACK_LEVEL_PATTERN 2186 */ 2187 @PublicKey 2188 public static final Key<Integer> SENSOR_INFO_WHITE_LEVEL = 2189 new Key<Integer>("android.sensor.info.whiteLevel", int.class); 2190 2191 /** 2192 * <p>The time base source for sensor capture start timestamps.</p> 2193 * <p>The timestamps provided for captures are always in nanoseconds and monotonic, but 2194 * may not based on a time source that can be compared to other system time sources.</p> 2195 * <p>This characteristic defines the source for the timestamps, and therefore whether they 2196 * can be compared against other system time sources/timestamps.</p> 2197 * <p><b>Possible values:</b> 2198 * <ul> 2199 * <li>{@link #SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN UNKNOWN}</li> 2200 * <li>{@link #SENSOR_INFO_TIMESTAMP_SOURCE_REALTIME REALTIME}</li> 2201 * </ul></p> 2202 * <p>This key is available on all devices.</p> 2203 * @see #SENSOR_INFO_TIMESTAMP_SOURCE_UNKNOWN 2204 * @see #SENSOR_INFO_TIMESTAMP_SOURCE_REALTIME 2205 */ 2206 @PublicKey 2207 public static final Key<Integer> SENSOR_INFO_TIMESTAMP_SOURCE = 2208 new Key<Integer>("android.sensor.info.timestampSource", int.class); 2209 2210 /** 2211 * <p>Whether the RAW images output from this camera device are subject to 2212 * lens shading correction.</p> 2213 * <p>If TRUE, all images produced by the camera device in the RAW image formats will 2214 * have lens shading correction already applied to it. If FALSE, the images will 2215 * not be adjusted for lens shading correction. 2216 * See {@link CameraCharacteristics#REQUEST_MAX_NUM_OUTPUT_RAW android.request.maxNumOutputRaw} for a list of RAW image formats.</p> 2217 * <p>This key will be <code>null</code> for all devices do not report this information. 2218 * Devices with RAW capability will always report this information in this key.</p> 2219 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2220 * 2221 * @see CameraCharacteristics#REQUEST_MAX_NUM_OUTPUT_RAW 2222 */ 2223 @PublicKey 2224 public static final Key<Boolean> SENSOR_INFO_LENS_SHADING_APPLIED = 2225 new Key<Boolean>("android.sensor.info.lensShadingApplied", boolean.class); 2226 2227 /** 2228 * <p>The area of the image sensor which corresponds to active pixels prior to the 2229 * application of any geometric distortion correction.</p> 2230 * <p>This is the rectangle representing the size of the active region of the sensor (i.e. 2231 * the region that actually receives light from the scene) before any geometric correction 2232 * has been applied, and should be treated as the active region rectangle for any of the 2233 * raw formats. All metadata associated with raw processing (e.g. the lens shading 2234 * correction map, and radial distortion fields) treats the top, left of this rectangle as 2235 * the origin, (0,0).</p> 2236 * <p>The size of this region determines the maximum field of view and the maximum number of 2237 * pixels that an image from this sensor can contain, prior to the application of 2238 * geometric distortion correction. The effective maximum pixel dimensions of a 2239 * post-distortion-corrected image is given by the {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize} 2240 * field, and the effective maximum field of view for a post-distortion-corrected image 2241 * can be calculated by applying the geometric distortion correction fields to this 2242 * rectangle, and cropping to the rectangle given in {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.</p> 2243 * <p>E.g. to calculate position of a pixel, (x,y), in a processed YUV output image with the 2244 * dimensions in {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize} given the position of a pixel, 2245 * (x', y'), in the raw pixel array with dimensions give in 2246 * {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}:</p> 2247 * <ol> 2248 * <li>Choose a pixel (x', y') within the active array region of the raw buffer given in 2249 * {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize}, otherwise this pixel is considered 2250 * to be outside of the FOV, and will not be shown in the processed output image.</li> 2251 * <li>Apply geometric distortion correction to get the post-distortion pixel coordinate, 2252 * (x_i, y_i). When applying geometric correction metadata, note that metadata for raw 2253 * buffers is defined relative to the top, left of the 2254 * {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} rectangle.</li> 2255 * <li>If the resulting corrected pixel coordinate is within the region given in 2256 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}, then the position of this pixel in the 2257 * processed output image buffer is <code>(x_i - activeArray.left, y_i - activeArray.top)</code>, 2258 * when the top, left coordinate of that buffer is treated as (0, 0).</li> 2259 * </ol> 2260 * <p>Thus, for pixel x',y' = (25, 25) on a sensor where {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize} 2261 * is (100,100), {@link CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE android.sensor.info.preCorrectionActiveArraySize} is (10, 10, 100, 100), 2262 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize} is (20, 20, 80, 80), and the geometric distortion 2263 * correction doesn't change the pixel coordinate, the resulting pixel selected in 2264 * pixel coordinates would be x,y = (25, 25) relative to the top,left of the raw buffer 2265 * with dimensions given in {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}, and would be (5, 5) 2266 * relative to the top,left of post-processed YUV output buffer with dimensions given in 2267 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.</p> 2268 * <p>The currently supported fields that correct for geometric distortion are:</p> 2269 * <ol> 2270 * <li>{@link CameraCharacteristics#LENS_RADIAL_DISTORTION android.lens.radialDistortion}.</li> 2271 * </ol> 2272 * <p>If all of the geometric distortion fields are no-ops, this rectangle will be the same 2273 * as the post-distortion-corrected rectangle given in 2274 * {@link CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE android.sensor.info.activeArraySize}.</p> 2275 * <p>This rectangle is defined relative to the full pixel array; (0,0) is the top-left of 2276 * the full pixel array, and the size of the full pixel array is given by 2277 * {@link CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE android.sensor.info.pixelArraySize}.</p> 2278 * <p>The pre-correction active array may be smaller than the full pixel array, since the 2279 * full array may include black calibration pixels or other inactive regions.</p> 2280 * <p><b>Units</b>: Pixel coordinates on the image sensor</p> 2281 * <p>This key is available on all devices.</p> 2282 * 2283 * @see CameraCharacteristics#LENS_RADIAL_DISTORTION 2284 * @see CameraCharacteristics#SENSOR_INFO_ACTIVE_ARRAY_SIZE 2285 * @see CameraCharacteristics#SENSOR_INFO_PIXEL_ARRAY_SIZE 2286 * @see CameraCharacteristics#SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE 2287 */ 2288 @PublicKey 2289 public static final Key<android.graphics.Rect> SENSOR_INFO_PRE_CORRECTION_ACTIVE_ARRAY_SIZE = 2290 new Key<android.graphics.Rect>("android.sensor.info.preCorrectionActiveArraySize", android.graphics.Rect.class); 2291 2292 /** 2293 * <p>The standard reference illuminant used as the scene light source when 2294 * calculating the {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM1 android.sensor.colorTransform1}, 2295 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM1 android.sensor.calibrationTransform1}, and 2296 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX1 android.sensor.forwardMatrix1} matrices.</p> 2297 * <p>The values in this key correspond to the values defined for the 2298 * EXIF LightSource tag. These illuminants are standard light sources 2299 * that are often used calibrating camera devices.</p> 2300 * <p>If this key is present, then {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM1 android.sensor.colorTransform1}, 2301 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM1 android.sensor.calibrationTransform1}, and 2302 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX1 android.sensor.forwardMatrix1} will also be present.</p> 2303 * <p>Some devices may choose to provide a second set of calibration 2304 * information for improved quality, including 2305 * {@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2} and its corresponding matrices.</p> 2306 * <p><b>Possible values:</b> 2307 * <ul> 2308 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT DAYLIGHT}</li> 2309 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_FLUORESCENT FLUORESCENT}</li> 2310 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_TUNGSTEN TUNGSTEN}</li> 2311 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_FLASH FLASH}</li> 2312 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_FINE_WEATHER FINE_WEATHER}</li> 2313 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_CLOUDY_WEATHER CLOUDY_WEATHER}</li> 2314 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_SHADE SHADE}</li> 2315 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT_FLUORESCENT DAYLIGHT_FLUORESCENT}</li> 2316 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_DAY_WHITE_FLUORESCENT DAY_WHITE_FLUORESCENT}</li> 2317 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_COOL_WHITE_FLUORESCENT COOL_WHITE_FLUORESCENT}</li> 2318 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_WHITE_FLUORESCENT WHITE_FLUORESCENT}</li> 2319 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_A STANDARD_A}</li> 2320 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_B STANDARD_B}</li> 2321 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_C STANDARD_C}</li> 2322 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_D55 D55}</li> 2323 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_D65 D65}</li> 2324 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_D75 D75}</li> 2325 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_D50 D50}</li> 2326 * <li>{@link #SENSOR_REFERENCE_ILLUMINANT1_ISO_STUDIO_TUNGSTEN ISO_STUDIO_TUNGSTEN}</li> 2327 * </ul></p> 2328 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2329 * 2330 * @see CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM1 2331 * @see CameraCharacteristics#SENSOR_COLOR_TRANSFORM1 2332 * @see CameraCharacteristics#SENSOR_FORWARD_MATRIX1 2333 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 2334 * @see #SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT 2335 * @see #SENSOR_REFERENCE_ILLUMINANT1_FLUORESCENT 2336 * @see #SENSOR_REFERENCE_ILLUMINANT1_TUNGSTEN 2337 * @see #SENSOR_REFERENCE_ILLUMINANT1_FLASH 2338 * @see #SENSOR_REFERENCE_ILLUMINANT1_FINE_WEATHER 2339 * @see #SENSOR_REFERENCE_ILLUMINANT1_CLOUDY_WEATHER 2340 * @see #SENSOR_REFERENCE_ILLUMINANT1_SHADE 2341 * @see #SENSOR_REFERENCE_ILLUMINANT1_DAYLIGHT_FLUORESCENT 2342 * @see #SENSOR_REFERENCE_ILLUMINANT1_DAY_WHITE_FLUORESCENT 2343 * @see #SENSOR_REFERENCE_ILLUMINANT1_COOL_WHITE_FLUORESCENT 2344 * @see #SENSOR_REFERENCE_ILLUMINANT1_WHITE_FLUORESCENT 2345 * @see #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_A 2346 * @see #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_B 2347 * @see #SENSOR_REFERENCE_ILLUMINANT1_STANDARD_C 2348 * @see #SENSOR_REFERENCE_ILLUMINANT1_D55 2349 * @see #SENSOR_REFERENCE_ILLUMINANT1_D65 2350 * @see #SENSOR_REFERENCE_ILLUMINANT1_D75 2351 * @see #SENSOR_REFERENCE_ILLUMINANT1_D50 2352 * @see #SENSOR_REFERENCE_ILLUMINANT1_ISO_STUDIO_TUNGSTEN 2353 */ 2354 @PublicKey 2355 public static final Key<Integer> SENSOR_REFERENCE_ILLUMINANT1 = 2356 new Key<Integer>("android.sensor.referenceIlluminant1", int.class); 2357 2358 /** 2359 * <p>The standard reference illuminant used as the scene light source when 2360 * calculating the {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM2 android.sensor.colorTransform2}, 2361 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM2 android.sensor.calibrationTransform2}, and 2362 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX2 android.sensor.forwardMatrix2} matrices.</p> 2363 * <p>See {@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1} for more details.</p> 2364 * <p>If this key is present, then {@link CameraCharacteristics#SENSOR_COLOR_TRANSFORM2 android.sensor.colorTransform2}, 2365 * {@link CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM2 android.sensor.calibrationTransform2}, and 2366 * {@link CameraCharacteristics#SENSOR_FORWARD_MATRIX2 android.sensor.forwardMatrix2} will also be present.</p> 2367 * <p><b>Range of valid values:</b><br> 2368 * Any value listed in {@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1}</p> 2369 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2370 * 2371 * @see CameraCharacteristics#SENSOR_CALIBRATION_TRANSFORM2 2372 * @see CameraCharacteristics#SENSOR_COLOR_TRANSFORM2 2373 * @see CameraCharacteristics#SENSOR_FORWARD_MATRIX2 2374 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 2375 */ 2376 @PublicKey 2377 public static final Key<Byte> SENSOR_REFERENCE_ILLUMINANT2 = 2378 new Key<Byte>("android.sensor.referenceIlluminant2", byte.class); 2379 2380 /** 2381 * <p>A per-device calibration transform matrix that maps from the 2382 * reference sensor colorspace to the actual device sensor colorspace.</p> 2383 * <p>This matrix is used to correct for per-device variations in the 2384 * sensor colorspace, and is used for processing raw buffer data.</p> 2385 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 2386 * contains a per-device calibration transform that maps colors 2387 * from reference sensor color space (i.e. the "golden module" 2388 * colorspace) into this camera device's native sensor color 2389 * space under the first reference illuminant 2390 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1}).</p> 2391 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2392 * 2393 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 2394 */ 2395 @PublicKey 2396 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_CALIBRATION_TRANSFORM1 = 2397 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.calibrationTransform1", android.hardware.camera2.params.ColorSpaceTransform.class); 2398 2399 /** 2400 * <p>A per-device calibration transform matrix that maps from the 2401 * reference sensor colorspace to the actual device sensor colorspace 2402 * (this is the colorspace of the raw buffer data).</p> 2403 * <p>This matrix is used to correct for per-device variations in the 2404 * sensor colorspace, and is used for processing raw buffer data.</p> 2405 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 2406 * contains a per-device calibration transform that maps colors 2407 * from reference sensor color space (i.e. the "golden module" 2408 * colorspace) into this camera device's native sensor color 2409 * space under the second reference illuminant 2410 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2}).</p> 2411 * <p>This matrix will only be present if the second reference 2412 * illuminant is present.</p> 2413 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2414 * 2415 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 2416 */ 2417 @PublicKey 2418 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_CALIBRATION_TRANSFORM2 = 2419 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.calibrationTransform2", android.hardware.camera2.params.ColorSpaceTransform.class); 2420 2421 /** 2422 * <p>A matrix that transforms color values from CIE XYZ color space to 2423 * reference sensor color space.</p> 2424 * <p>This matrix is used to convert from the standard CIE XYZ color 2425 * space to the reference sensor colorspace, and is used when processing 2426 * raw buffer data.</p> 2427 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 2428 * contains a color transform matrix that maps colors from the CIE 2429 * XYZ color space to the reference sensor color space (i.e. the 2430 * "golden module" colorspace) under the first reference illuminant 2431 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1}).</p> 2432 * <p>The white points chosen in both the reference sensor color space 2433 * and the CIE XYZ colorspace when calculating this transform will 2434 * match the standard white point for the first reference illuminant 2435 * (i.e. no chromatic adaptation will be applied by this transform).</p> 2436 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2437 * 2438 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 2439 */ 2440 @PublicKey 2441 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_COLOR_TRANSFORM1 = 2442 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.colorTransform1", android.hardware.camera2.params.ColorSpaceTransform.class); 2443 2444 /** 2445 * <p>A matrix that transforms color values from CIE XYZ color space to 2446 * reference sensor color space.</p> 2447 * <p>This matrix is used to convert from the standard CIE XYZ color 2448 * space to the reference sensor colorspace, and is used when processing 2449 * raw buffer data.</p> 2450 * <p>The matrix is expressed as a 3x3 matrix in row-major-order, and 2451 * contains a color transform matrix that maps colors from the CIE 2452 * XYZ color space to the reference sensor color space (i.e. the 2453 * "golden module" colorspace) under the second reference illuminant 2454 * ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2}).</p> 2455 * <p>The white points chosen in both the reference sensor color space 2456 * and the CIE XYZ colorspace when calculating this transform will 2457 * match the standard white point for the second reference illuminant 2458 * (i.e. no chromatic adaptation will be applied by this transform).</p> 2459 * <p>This matrix will only be present if the second reference 2460 * illuminant is present.</p> 2461 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2462 * 2463 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 2464 */ 2465 @PublicKey 2466 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_COLOR_TRANSFORM2 = 2467 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.colorTransform2", android.hardware.camera2.params.ColorSpaceTransform.class); 2468 2469 /** 2470 * <p>A matrix that transforms white balanced camera colors from the reference 2471 * sensor colorspace to the CIE XYZ colorspace with a D50 whitepoint.</p> 2472 * <p>This matrix is used to convert to the standard CIE XYZ colorspace, and 2473 * is used when processing raw buffer data.</p> 2474 * <p>This matrix is expressed as a 3x3 matrix in row-major-order, and contains 2475 * a color transform matrix that maps white balanced colors from the 2476 * reference sensor color space to the CIE XYZ color space with a D50 white 2477 * point.</p> 2478 * <p>Under the first reference illuminant ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 android.sensor.referenceIlluminant1}) 2479 * this matrix is chosen so that the standard white point for this reference 2480 * illuminant in the reference sensor colorspace is mapped to D50 in the 2481 * CIE XYZ colorspace.</p> 2482 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2483 * 2484 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT1 2485 */ 2486 @PublicKey 2487 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_FORWARD_MATRIX1 = 2488 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.forwardMatrix1", android.hardware.camera2.params.ColorSpaceTransform.class); 2489 2490 /** 2491 * <p>A matrix that transforms white balanced camera colors from the reference 2492 * sensor colorspace to the CIE XYZ colorspace with a D50 whitepoint.</p> 2493 * <p>This matrix is used to convert to the standard CIE XYZ colorspace, and 2494 * is used when processing raw buffer data.</p> 2495 * <p>This matrix is expressed as a 3x3 matrix in row-major-order, and contains 2496 * a color transform matrix that maps white balanced colors from the 2497 * reference sensor color space to the CIE XYZ color space with a D50 white 2498 * point.</p> 2499 * <p>Under the second reference illuminant ({@link CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 android.sensor.referenceIlluminant2}) 2500 * this matrix is chosen so that the standard white point for this reference 2501 * illuminant in the reference sensor colorspace is mapped to D50 in the 2502 * CIE XYZ colorspace.</p> 2503 * <p>This matrix will only be present if the second reference 2504 * illuminant is present.</p> 2505 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2506 * 2507 * @see CameraCharacteristics#SENSOR_REFERENCE_ILLUMINANT2 2508 */ 2509 @PublicKey 2510 public static final Key<android.hardware.camera2.params.ColorSpaceTransform> SENSOR_FORWARD_MATRIX2 = 2511 new Key<android.hardware.camera2.params.ColorSpaceTransform>("android.sensor.forwardMatrix2", android.hardware.camera2.params.ColorSpaceTransform.class); 2512 2513 /** 2514 * <p>A fixed black level offset for each of the color filter arrangement 2515 * (CFA) mosaic channels.</p> 2516 * <p>This key specifies the zero light value for each of the CFA mosaic 2517 * channels in the camera sensor. The maximal value output by the 2518 * sensor is represented by the value in {@link CameraCharacteristics#SENSOR_INFO_WHITE_LEVEL android.sensor.info.whiteLevel}.</p> 2519 * <p>The values are given in the same order as channels listed for the CFA 2520 * layout key (see {@link CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT android.sensor.info.colorFilterArrangement}), i.e. the 2521 * nth value given corresponds to the black level offset for the nth 2522 * color channel listed in the CFA.</p> 2523 * <p><b>Range of valid values:</b><br> 2524 * >= 0 for each.</p> 2525 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2526 * 2527 * @see CameraCharacteristics#SENSOR_INFO_COLOR_FILTER_ARRANGEMENT 2528 * @see CameraCharacteristics#SENSOR_INFO_WHITE_LEVEL 2529 */ 2530 @PublicKey 2531 public static final Key<android.hardware.camera2.params.BlackLevelPattern> SENSOR_BLACK_LEVEL_PATTERN = 2532 new Key<android.hardware.camera2.params.BlackLevelPattern>("android.sensor.blackLevelPattern", android.hardware.camera2.params.BlackLevelPattern.class); 2533 2534 /** 2535 * <p>Maximum sensitivity that is implemented 2536 * purely through analog gain.</p> 2537 * <p>For {@link CaptureRequest#SENSOR_SENSITIVITY android.sensor.sensitivity} values less than or 2538 * equal to this, all applied gain must be analog. For 2539 * values above this, the gain applied can be a mix of analog and 2540 * digital.</p> 2541 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2542 * <p><b>Full capability</b> - 2543 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2544 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2545 * 2546 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2547 * @see CaptureRequest#SENSOR_SENSITIVITY 2548 */ 2549 @PublicKey 2550 public static final Key<Integer> SENSOR_MAX_ANALOG_SENSITIVITY = 2551 new Key<Integer>("android.sensor.maxAnalogSensitivity", int.class); 2552 2553 /** 2554 * <p>Clockwise angle through which the output image needs to be rotated to be 2555 * upright on the device screen in its native orientation.</p> 2556 * <p>Also defines the direction of rolling shutter readout, which is from top to bottom in 2557 * the sensor's coordinate system.</p> 2558 * <p><b>Units</b>: Degrees of clockwise rotation; always a multiple of 2559 * 90</p> 2560 * <p><b>Range of valid values:</b><br> 2561 * 0, 90, 180, 270</p> 2562 * <p>This key is available on all devices.</p> 2563 */ 2564 @PublicKey 2565 public static final Key<Integer> SENSOR_ORIENTATION = 2566 new Key<Integer>("android.sensor.orientation", int.class); 2567 2568 /** 2569 * <p>List of sensor test pattern modes for {@link CaptureRequest#SENSOR_TEST_PATTERN_MODE android.sensor.testPatternMode} 2570 * supported by this camera device.</p> 2571 * <p>Defaults to OFF, and always includes OFF if defined.</p> 2572 * <p><b>Range of valid values:</b><br> 2573 * Any value listed in {@link CaptureRequest#SENSOR_TEST_PATTERN_MODE android.sensor.testPatternMode}</p> 2574 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2575 * 2576 * @see CaptureRequest#SENSOR_TEST_PATTERN_MODE 2577 */ 2578 @PublicKey 2579 public static final Key<int[]> SENSOR_AVAILABLE_TEST_PATTERN_MODES = 2580 new Key<int[]>("android.sensor.availableTestPatternModes", int[].class); 2581 2582 /** 2583 * <p>List of lens shading modes for {@link CaptureRequest#SHADING_MODE android.shading.mode} that are supported by this camera device.</p> 2584 * <p>This list contains lens shading modes that can be set for the camera device. 2585 * Camera devices that support the MANUAL_POST_PROCESSING capability will always 2586 * list OFF and FAST mode. This includes all FULL level devices. 2587 * LEGACY devices will always only support FAST mode.</p> 2588 * <p><b>Range of valid values:</b><br> 2589 * Any value listed in {@link CaptureRequest#SHADING_MODE android.shading.mode}</p> 2590 * <p>This key is available on all devices.</p> 2591 * 2592 * @see CaptureRequest#SHADING_MODE 2593 */ 2594 @PublicKey 2595 public static final Key<int[]> SHADING_AVAILABLE_MODES = 2596 new Key<int[]>("android.shading.availableModes", int[].class); 2597 2598 /** 2599 * <p>List of face detection modes for {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode} that are 2600 * supported by this camera device.</p> 2601 * <p>OFF is always supported.</p> 2602 * <p><b>Range of valid values:</b><br> 2603 * Any value listed in {@link CaptureRequest#STATISTICS_FACE_DETECT_MODE android.statistics.faceDetectMode}</p> 2604 * <p>This key is available on all devices.</p> 2605 * 2606 * @see CaptureRequest#STATISTICS_FACE_DETECT_MODE 2607 */ 2608 @PublicKey 2609 public static final Key<int[]> STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES = 2610 new Key<int[]>("android.statistics.info.availableFaceDetectModes", int[].class); 2611 2612 /** 2613 * <p>The maximum number of simultaneously detectable 2614 * faces.</p> 2615 * <p><b>Range of valid values:</b><br> 2616 * 0 for cameras without available face detection; otherwise: 2617 * <code>>=4</code> for LIMITED or FULL hwlevel devices or 2618 * <code>>0</code> for LEGACY devices.</p> 2619 * <p>This key is available on all devices.</p> 2620 */ 2621 @PublicKey 2622 public static final Key<Integer> STATISTICS_INFO_MAX_FACE_COUNT = 2623 new Key<Integer>("android.statistics.info.maxFaceCount", int.class); 2624 2625 /** 2626 * <p>List of hot pixel map output modes for {@link CaptureRequest#STATISTICS_HOT_PIXEL_MAP_MODE android.statistics.hotPixelMapMode} that are 2627 * supported by this camera device.</p> 2628 * <p>If no hotpixel map output is available for this camera device, this will contain only 2629 * <code>false</code>.</p> 2630 * <p>ON is always supported on devices with the RAW capability.</p> 2631 * <p><b>Range of valid values:</b><br> 2632 * Any value listed in {@link CaptureRequest#STATISTICS_HOT_PIXEL_MAP_MODE android.statistics.hotPixelMapMode}</p> 2633 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2634 * 2635 * @see CaptureRequest#STATISTICS_HOT_PIXEL_MAP_MODE 2636 */ 2637 @PublicKey 2638 public static final Key<boolean[]> STATISTICS_INFO_AVAILABLE_HOT_PIXEL_MAP_MODES = 2639 new Key<boolean[]>("android.statistics.info.availableHotPixelMapModes", boolean[].class); 2640 2641 /** 2642 * <p>List of lens shading map output modes for {@link CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE android.statistics.lensShadingMapMode} that 2643 * are supported by this camera device.</p> 2644 * <p>If no lens shading map output is available for this camera device, this key will 2645 * contain only OFF.</p> 2646 * <p>ON is always supported on devices with the RAW capability. 2647 * LEGACY mode devices will always only support OFF.</p> 2648 * <p><b>Range of valid values:</b><br> 2649 * Any value listed in {@link CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE android.statistics.lensShadingMapMode}</p> 2650 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2651 * 2652 * @see CaptureRequest#STATISTICS_LENS_SHADING_MAP_MODE 2653 */ 2654 @PublicKey 2655 public static final Key<int[]> STATISTICS_INFO_AVAILABLE_LENS_SHADING_MAP_MODES = 2656 new Key<int[]>("android.statistics.info.availableLensShadingMapModes", int[].class); 2657 2658 /** 2659 * <p>Maximum number of supported points in the 2660 * tonemap curve that can be used for {@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}.</p> 2661 * <p>If the actual number of points provided by the application (in {@link CaptureRequest#TONEMAP_CURVE android.tonemap.curve}*) is 2662 * less than this maximum, the camera device will resample the curve to its internal 2663 * representation, using linear interpolation.</p> 2664 * <p>The output curves in the result metadata may have a different number 2665 * of points than the input curves, and will represent the actual 2666 * hardware curves used as closely as possible when linearly interpolated.</p> 2667 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2668 * <p><b>Full capability</b> - 2669 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2670 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2671 * 2672 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2673 * @see CaptureRequest#TONEMAP_CURVE 2674 */ 2675 @PublicKey 2676 public static final Key<Integer> TONEMAP_MAX_CURVE_POINTS = 2677 new Key<Integer>("android.tonemap.maxCurvePoints", int.class); 2678 2679 /** 2680 * <p>List of tonemapping modes for {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode} that are supported by this camera 2681 * device.</p> 2682 * <p>Camera devices that support the MANUAL_POST_PROCESSING capability will always contain 2683 * at least one of below mode combinations:</p> 2684 * <ul> 2685 * <li>CONTRAST_CURVE, FAST and HIGH_QUALITY</li> 2686 * <li>GAMMA_VALUE, PRESET_CURVE, FAST and HIGH_QUALITY</li> 2687 * </ul> 2688 * <p>This includes all FULL level devices.</p> 2689 * <p><b>Range of valid values:</b><br> 2690 * Any value listed in {@link CaptureRequest#TONEMAP_MODE android.tonemap.mode}</p> 2691 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2692 * <p><b>Full capability</b> - 2693 * Present on all camera devices that report being {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_FULL HARDWARE_LEVEL_FULL} devices in the 2694 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2695 * 2696 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2697 * @see CaptureRequest#TONEMAP_MODE 2698 */ 2699 @PublicKey 2700 public static final Key<int[]> TONEMAP_AVAILABLE_TONE_MAP_MODES = 2701 new Key<int[]>("android.tonemap.availableToneMapModes", int[].class); 2702 2703 /** 2704 * <p>A list of camera LEDs that are available on this system.</p> 2705 * <p><b>Possible values:</b> 2706 * <ul> 2707 * <li>{@link #LED_AVAILABLE_LEDS_TRANSMIT TRANSMIT}</li> 2708 * </ul></p> 2709 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2710 * @see #LED_AVAILABLE_LEDS_TRANSMIT 2711 * @hide 2712 */ 2713 public static final Key<int[]> LED_AVAILABLE_LEDS = 2714 new Key<int[]>("android.led.availableLeds", int[].class); 2715 2716 /** 2717 * <p>Generally classifies the overall set of the camera device functionality.</p> 2718 * <p>Camera devices will come in three flavors: LEGACY, LIMITED and FULL.</p> 2719 * <p>A FULL device will support below capabilities:</p> 2720 * <ul> 2721 * <li>BURST_CAPTURE capability ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} contains BURST_CAPTURE)</li> 2722 * <li>Per frame control ({@link CameraCharacteristics#SYNC_MAX_LATENCY android.sync.maxLatency} <code>==</code> PER_FRAME_CONTROL)</li> 2723 * <li>Manual sensor control ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} contains MANUAL_SENSOR)</li> 2724 * <li>Manual post-processing control ({@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} contains 2725 * MANUAL_POST_PROCESSING)</li> 2726 * <li>At least 3 processed (but not stalling) format output streams 2727 * ({@link CameraCharacteristics#REQUEST_MAX_NUM_OUTPUT_PROC android.request.maxNumOutputProc} <code>>=</code> 3)</li> 2728 * <li>The required stream configurations defined in android.scaler.availableStreamConfigurations</li> 2729 * <li>The required exposure time range defined in {@link CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE android.sensor.info.exposureTimeRange}</li> 2730 * <li>The required maxFrameDuration defined in {@link CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION android.sensor.info.maxFrameDuration}</li> 2731 * </ul> 2732 * <p>A LIMITED device may have some or none of the above characteristics. 2733 * To find out more refer to {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities}.</p> 2734 * <p>Some features are not part of any particular hardware level or capability and must be 2735 * queried separately. These include:</p> 2736 * <ul> 2737 * <li>Calibrated timestamps ({@link CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE android.sensor.info.timestampSource} <code>==</code> REALTIME)</li> 2738 * <li>Precision lens control ({@link CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION android.lens.info.focusDistanceCalibration} <code>==</code> CALIBRATED)</li> 2739 * <li>Face detection ({@link CameraCharacteristics#STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES android.statistics.info.availableFaceDetectModes})</li> 2740 * <li>Optical or electrical image stabilization 2741 * ({@link CameraCharacteristics#LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION android.lens.info.availableOpticalStabilization}, 2742 * {@link CameraCharacteristics#CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES android.control.availableVideoStabilizationModes})</li> 2743 * </ul> 2744 * <p>A LEGACY device does not support per-frame control, manual sensor control, manual 2745 * post-processing, arbitrary cropping regions, and has relaxed performance constraints.</p> 2746 * <p>Each higher level supports everything the lower level supports 2747 * in this order: FULL <code>></code> LIMITED <code>></code> LEGACY.</p> 2748 * <p>Note: 2749 * Pre-API level 23, FULL devices also supported arbitrary cropping region 2750 * ({@link CameraCharacteristics#SCALER_CROPPING_TYPE android.scaler.croppingType} <code>==</code> FREEFORM); this requirement was relaxed in API level 23, 2751 * and FULL devices may only support CENTERED cropping.</p> 2752 * <p><b>Possible values:</b> 2753 * <ul> 2754 * <li>{@link #INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED LIMITED}</li> 2755 * <li>{@link #INFO_SUPPORTED_HARDWARE_LEVEL_FULL FULL}</li> 2756 * <li>{@link #INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY LEGACY}</li> 2757 * </ul></p> 2758 * <p>This key is available on all devices.</p> 2759 * 2760 * @see CameraCharacteristics#CONTROL_AVAILABLE_VIDEO_STABILIZATION_MODES 2761 * @see CameraCharacteristics#LENS_INFO_AVAILABLE_OPTICAL_STABILIZATION 2762 * @see CameraCharacteristics#LENS_INFO_FOCUS_DISTANCE_CALIBRATION 2763 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 2764 * @see CameraCharacteristics#REQUEST_MAX_NUM_OUTPUT_PROC 2765 * @see CameraCharacteristics#SCALER_CROPPING_TYPE 2766 * @see CameraCharacteristics#SENSOR_INFO_EXPOSURE_TIME_RANGE 2767 * @see CameraCharacteristics#SENSOR_INFO_MAX_FRAME_DURATION 2768 * @see CameraCharacteristics#SENSOR_INFO_TIMESTAMP_SOURCE 2769 * @see CameraCharacteristics#STATISTICS_INFO_AVAILABLE_FACE_DETECT_MODES 2770 * @see CameraCharacteristics#SYNC_MAX_LATENCY 2771 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED 2772 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_FULL 2773 * @see #INFO_SUPPORTED_HARDWARE_LEVEL_LEGACY 2774 */ 2775 @PublicKey 2776 public static final Key<Integer> INFO_SUPPORTED_HARDWARE_LEVEL = 2777 new Key<Integer>("android.info.supportedHardwareLevel", int.class); 2778 2779 /** 2780 * <p>The maximum number of frames that can occur after a request 2781 * (different than the previous) has been submitted, and before the 2782 * result's state becomes synchronized.</p> 2783 * <p>This defines the maximum distance (in number of metadata results), 2784 * between the frame number of the request that has new controls to apply 2785 * and the frame number of the result that has all the controls applied.</p> 2786 * <p>In other words this acts as an upper boundary for how many frames 2787 * must occur before the camera device knows for a fact that the new 2788 * submitted camera settings have been applied in outgoing frames.</p> 2789 * <p><b>Units</b>: Frame counts</p> 2790 * <p><b>Possible values:</b> 2791 * <ul> 2792 * <li>{@link #SYNC_MAX_LATENCY_PER_FRAME_CONTROL PER_FRAME_CONTROL}</li> 2793 * <li>{@link #SYNC_MAX_LATENCY_UNKNOWN UNKNOWN}</li> 2794 * </ul></p> 2795 * <p><b>Available values for this device:</b><br> 2796 * A positive value, PER_FRAME_CONTROL, or UNKNOWN.</p> 2797 * <p>This key is available on all devices.</p> 2798 * @see #SYNC_MAX_LATENCY_PER_FRAME_CONTROL 2799 * @see #SYNC_MAX_LATENCY_UNKNOWN 2800 */ 2801 @PublicKey 2802 public static final Key<Integer> SYNC_MAX_LATENCY = 2803 new Key<Integer>("android.sync.maxLatency", int.class); 2804 2805 /** 2806 * <p>The maximal camera capture pipeline stall (in unit of frame count) introduced by a 2807 * reprocess capture request.</p> 2808 * <p>The key describes the maximal interference that one reprocess (input) request 2809 * can introduce to the camera simultaneous streaming of regular (output) capture 2810 * requests, including repeating requests.</p> 2811 * <p>When a reprocessing capture request is submitted while a camera output repeating request 2812 * (e.g. preview) is being served by the camera device, it may preempt the camera capture 2813 * pipeline for at least one frame duration so that the camera device is unable to process 2814 * the following capture request in time for the next sensor start of exposure boundary. 2815 * When this happens, the application may observe a capture time gap (longer than one frame 2816 * duration) between adjacent capture output frames, which usually exhibits as preview 2817 * glitch if the repeating request output targets include a preview surface. This key gives 2818 * the worst-case number of frame stall introduced by one reprocess request with any kind of 2819 * formats/sizes combination.</p> 2820 * <p>If this key reports 0, it means a reprocess request doesn't introduce any glitch to the 2821 * ongoing camera repeating request outputs, as if this reprocess request is never issued.</p> 2822 * <p>This key is supported if the camera device supports PRIVATE or YUV reprocessing ( 2823 * i.e. {@link CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES android.request.availableCapabilities} contains PRIVATE_REPROCESSING or 2824 * YUV_REPROCESSING).</p> 2825 * <p><b>Units</b>: Number of frames.</p> 2826 * <p><b>Range of valid values:</b><br> 2827 * <= 4</p> 2828 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2829 * <p><b>Limited capability</b> - 2830 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2831 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2832 * 2833 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2834 * @see CameraCharacteristics#REQUEST_AVAILABLE_CAPABILITIES 2835 */ 2836 @PublicKey 2837 public static final Key<Integer> REPROCESS_MAX_CAPTURE_STALL = 2838 new Key<Integer>("android.reprocess.maxCaptureStall", int.class); 2839 2840 /** 2841 * <p>The available depth dataspace stream 2842 * configurations that this camera device supports 2843 * (i.e. format, width, height, output/input stream).</p> 2844 * <p>These are output stream configurations for use with 2845 * dataSpace HAL_DATASPACE_DEPTH. The configurations are 2846 * listed as <code>(format, width, height, input?)</code> tuples.</p> 2847 * <p>Only devices that support depth output for at least 2848 * the HAL_PIXEL_FORMAT_Y16 dense depth map may include 2849 * this entry.</p> 2850 * <p>A device that also supports the HAL_PIXEL_FORMAT_BLOB 2851 * sparse depth point cloud must report a single entry for 2852 * the format in this list as <code>(HAL_PIXEL_FORMAT_BLOB, 2853 * android.depth.maxDepthSamples, 1, OUTPUT)</code> in addition to 2854 * the entries for HAL_PIXEL_FORMAT_Y16.</p> 2855 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2856 * <p><b>Limited capability</b> - 2857 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2858 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2859 * 2860 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2861 * @hide 2862 */ 2863 public static final Key<android.hardware.camera2.params.StreamConfiguration[]> DEPTH_AVAILABLE_DEPTH_STREAM_CONFIGURATIONS = 2864 new Key<android.hardware.camera2.params.StreamConfiguration[]>("android.depth.availableDepthStreamConfigurations", android.hardware.camera2.params.StreamConfiguration[].class); 2865 2866 /** 2867 * <p>This lists the minimum frame duration for each 2868 * format/size combination for depth output formats.</p> 2869 * <p>This should correspond to the frame duration when only that 2870 * stream is active, with all processing (typically in android.*.mode) 2871 * set to either OFF or FAST.</p> 2872 * <p>When multiple streams are used in a request, the minimum frame 2873 * duration will be max(individual stream min durations).</p> 2874 * <p>The minimum frame duration of a stream (of a particular format, size) 2875 * is the same regardless of whether the stream is input or output.</p> 2876 * <p>See {@link CaptureRequest#SENSOR_FRAME_DURATION android.sensor.frameDuration} and 2877 * android.scaler.availableStallDurations for more details about 2878 * calculating the max frame rate.</p> 2879 * <p>(Keep in sync with {@link android.hardware.camera2.params.StreamConfigurationMap#getOutputMinFrameDuration })</p> 2880 * <p><b>Units</b>: (format, width, height, ns) x n</p> 2881 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2882 * <p><b>Limited capability</b> - 2883 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2884 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2885 * 2886 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2887 * @see CaptureRequest#SENSOR_FRAME_DURATION 2888 * @hide 2889 */ 2890 public static final Key<android.hardware.camera2.params.StreamConfigurationDuration[]> DEPTH_AVAILABLE_DEPTH_MIN_FRAME_DURATIONS = 2891 new Key<android.hardware.camera2.params.StreamConfigurationDuration[]>("android.depth.availableDepthMinFrameDurations", android.hardware.camera2.params.StreamConfigurationDuration[].class); 2892 2893 /** 2894 * <p>This lists the maximum stall duration for each 2895 * output format/size combination for depth streams.</p> 2896 * <p>A stall duration is how much extra time would get added 2897 * to the normal minimum frame duration for a repeating request 2898 * that has streams with non-zero stall.</p> 2899 * <p>This functions similarly to 2900 * android.scaler.availableStallDurations for depth 2901 * streams.</p> 2902 * <p>All depth output stream formats may have a nonzero stall 2903 * duration.</p> 2904 * <p><b>Units</b>: (format, width, height, ns) x n</p> 2905 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2906 * <p><b>Limited capability</b> - 2907 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2908 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2909 * 2910 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2911 * @hide 2912 */ 2913 public static final Key<android.hardware.camera2.params.StreamConfigurationDuration[]> DEPTH_AVAILABLE_DEPTH_STALL_DURATIONS = 2914 new Key<android.hardware.camera2.params.StreamConfigurationDuration[]>("android.depth.availableDepthStallDurations", android.hardware.camera2.params.StreamConfigurationDuration[].class); 2915 2916 /** 2917 * <p>Indicates whether a capture request may target both a 2918 * DEPTH16 / DEPTH_POINT_CLOUD output, and normal color outputs (such as 2919 * YUV_420_888, JPEG, or RAW) simultaneously.</p> 2920 * <p>If TRUE, including both depth and color outputs in a single 2921 * capture request is not supported. An application must interleave color 2922 * and depth requests. If FALSE, a single request can target both types 2923 * of output.</p> 2924 * <p>Typically, this restriction exists on camera devices that 2925 * need to emit a specific pattern or wavelength of light to 2926 * measure depth values, which causes the color image to be 2927 * corrupted during depth measurement.</p> 2928 * <p><b>Optional</b> - This value may be {@code null} on some devices.</p> 2929 * <p><b>Limited capability</b> - 2930 * Present on all camera devices that report being at least {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL_LIMITED HARDWARE_LEVEL_LIMITED} devices in the 2931 * {@link CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL android.info.supportedHardwareLevel} key</p> 2932 * 2933 * @see CameraCharacteristics#INFO_SUPPORTED_HARDWARE_LEVEL 2934 */ 2935 @PublicKey 2936 public static final Key<Boolean> DEPTH_DEPTH_IS_EXCLUSIVE = 2937 new Key<Boolean>("android.depth.depthIsExclusive", boolean.class); 2938 2939 /*~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~ 2940 * End generated code 2941 *~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~@~O@*/ 2942 2943 2944 2945 } 2946