1 /* 2 * Copyright (c) 2010 The Khronos Group Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining 5 * a copy of this software and associated documentation files (the 6 * "Software"), to deal in the Software without restriction, including 7 * without limitation the rights to use, copy, modify, merge, publish, 8 * distribute, sublicense, and/or sell copies of the Software, and to 9 * permit persons to whom the Software is furnished to do so, subject 10 * to the following conditions: 11 * The above copyright notice and this permission notice shall be included 12 * in all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 17 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 18 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 19 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 20 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 21 * 22 */ 23 24 /** OMX_VideoExt.h - OpenMax IL version 1.1.2 25 * The OMX_VideoExt header file contains extensions to the 26 * definitions used by both the application and the component to 27 * access video items. 28 */ 29 30 #ifndef OMX_VideoExt_h 31 #define OMX_VideoExt_h 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif /* __cplusplus */ 36 37 /* Each OMX header shall include all required header files to allow the 38 * header to compile without errors. The includes below are required 39 * for this header file to compile successfully 40 */ 41 #include <OMX_Core.h> 42 43 /** NALU Formats */ 44 typedef enum OMX_NALUFORMATSTYPE { 45 OMX_NaluFormatStartCodes = 1, 46 OMX_NaluFormatOneNaluPerBuffer = 2, 47 OMX_NaluFormatOneByteInterleaveLength = 4, 48 OMX_NaluFormatTwoByteInterleaveLength = 8, 49 OMX_NaluFormatFourByteInterleaveLength = 16, 50 OMX_NaluFormatCodingMax = 0x7FFFFFFF 51 } OMX_NALUFORMATSTYPE; 52 53 /** NAL Stream Format */ 54 typedef struct OMX_NALSTREAMFORMATTYPE{ 55 OMX_U32 nSize; 56 OMX_VERSIONTYPE nVersion; 57 OMX_U32 nPortIndex; 58 OMX_NALUFORMATSTYPE eNaluFormat; 59 } OMX_NALSTREAMFORMATTYPE; 60 61 /** AVC additional profiles */ 62 typedef enum OMX_VIDEO_AVCPROFILEEXTTYPE { 63 OMX_VIDEO_AVCProfileConstrainedBaseline = 0x10000, /**< Constrained baseline profile */ 64 OMX_VIDEO_AVCProfileConstrainedHigh = 0x80000, /**< Constrained high profile */ 65 } OMX_VIDEO_AVCPROFILEEXTTYPE; 66 67 /** VP8 profiles */ 68 typedef enum OMX_VIDEO_VP8PROFILETYPE { 69 OMX_VIDEO_VP8ProfileMain = 0x01, 70 OMX_VIDEO_VP8ProfileUnknown = 0x6EFFFFFF, 71 OMX_VIDEO_VP8ProfileMax = 0x7FFFFFFF 72 } OMX_VIDEO_VP8PROFILETYPE; 73 74 /** VP8 levels */ 75 typedef enum OMX_VIDEO_VP8LEVELTYPE { 76 OMX_VIDEO_VP8Level_Version0 = 0x01, 77 OMX_VIDEO_VP8Level_Version1 = 0x02, 78 OMX_VIDEO_VP8Level_Version2 = 0x04, 79 OMX_VIDEO_VP8Level_Version3 = 0x08, 80 OMX_VIDEO_VP8LevelUnknown = 0x6EFFFFFF, 81 OMX_VIDEO_VP8LevelMax = 0x7FFFFFFF 82 } OMX_VIDEO_VP8LEVELTYPE; 83 84 /** VP8 Param */ 85 typedef struct OMX_VIDEO_PARAM_VP8TYPE { 86 OMX_U32 nSize; 87 OMX_VERSIONTYPE nVersion; 88 OMX_U32 nPortIndex; 89 OMX_VIDEO_VP8PROFILETYPE eProfile; 90 OMX_VIDEO_VP8LEVELTYPE eLevel; 91 OMX_U32 nDCTPartitions; 92 OMX_BOOL bErrorResilientMode; 93 } OMX_VIDEO_PARAM_VP8TYPE; 94 95 /** Structure for configuring VP8 reference frames */ 96 typedef struct OMX_VIDEO_VP8REFERENCEFRAMETYPE { 97 OMX_U32 nSize; 98 OMX_VERSIONTYPE nVersion; 99 OMX_U32 nPortIndex; 100 OMX_BOOL bPreviousFrameRefresh; 101 OMX_BOOL bGoldenFrameRefresh; 102 OMX_BOOL bAlternateFrameRefresh; 103 OMX_BOOL bUsePreviousFrame; 104 OMX_BOOL bUseGoldenFrame; 105 OMX_BOOL bUseAlternateFrame; 106 } OMX_VIDEO_VP8REFERENCEFRAMETYPE; 107 108 /** Structure for querying VP8 reference frame type */ 109 typedef struct OMX_VIDEO_VP8REFERENCEFRAMEINFOTYPE { 110 OMX_U32 nSize; 111 OMX_VERSIONTYPE nVersion; 112 OMX_U32 nPortIndex; 113 OMX_BOOL bIsIntraFrame; 114 OMX_BOOL bIsGoldenOrAlternateFrame; 115 } OMX_VIDEO_VP8REFERENCEFRAMEINFOTYPE; 116 117 /** Maximum number of VP8 temporal layers */ 118 #define OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS 3 119 120 /** VP8 temporal layer patterns */ 121 typedef enum OMX_VIDEO_ANDROID_VPXTEMPORALLAYERPATTERNTYPE { 122 OMX_VIDEO_VPXTemporalLayerPatternNone = 0, 123 OMX_VIDEO_VPXTemporalLayerPatternWebRTC = 1, 124 OMX_VIDEO_VPXTemporalLayerPatternMax = 0x7FFFFFFF 125 } OMX_VIDEO_ANDROID_VPXTEMPORALLAYERPATTERNTYPE; 126 127 /** 128 * Android specific VP8/VP9 encoder params 129 * 130 * STRUCT MEMBERS: 131 * nSize : Size of the structure in bytes 132 * nVersion : OMX specification version information 133 * nPortIndex : Port that this structure applies to 134 * nKeyFrameInterval : Key frame interval in frames 135 * eTemporalPattern : Type of temporal layer pattern 136 * nTemporalLayerCount : Number of temporal coding layers 137 * nTemporalLayerBitrateRatio : Bitrate ratio allocation between temporal 138 * streams in percentage 139 * nMinQuantizer : Minimum (best quality) quantizer 140 * nMaxQuantizer : Maximum (worst quality) quantizer 141 */ 142 typedef struct OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE { 143 OMX_U32 nSize; 144 OMX_VERSIONTYPE nVersion; 145 OMX_U32 nPortIndex; 146 OMX_U32 nKeyFrameInterval; // distance between consecutive key_frames (including one 147 // of the key_frames). 0 means interval is unspecified and 148 // can be freely chosen by the codec. 1 means a stream of 149 // only key_frames. 150 151 OMX_VIDEO_ANDROID_VPXTEMPORALLAYERPATTERNTYPE eTemporalPattern; 152 OMX_U32 nTemporalLayerCount; 153 OMX_U32 nTemporalLayerBitrateRatio[OMX_VIDEO_ANDROID_MAXVP8TEMPORALLAYERS]; 154 OMX_U32 nMinQuantizer; 155 OMX_U32 nMaxQuantizer; 156 } OMX_VIDEO_PARAM_ANDROID_VP8ENCODERTYPE; 157 158 /** VP9 profiles */ 159 typedef enum OMX_VIDEO_VP9PROFILETYPE { 160 OMX_VIDEO_VP9Profile0 = 0x1, 161 OMX_VIDEO_VP9Profile1 = 0x2, 162 OMX_VIDEO_VP9Profile2 = 0x4, 163 OMX_VIDEO_VP9Profile3 = 0x8, 164 // HDR profiles also support passing HDR metadata 165 OMX_VIDEO_VP9Profile2HDR = 0x1000, 166 OMX_VIDEO_VP9Profile3HDR = 0x2000, 167 OMX_VIDEO_VP9Profile2HDR10Plus = 0x4000, 168 OMX_VIDEO_VP9ProfileUnknown = 0x6EFFFFFF, 169 OMX_VIDEO_VP9ProfileMax = 0x7FFFFFFF 170 } OMX_VIDEO_VP9PROFILETYPE; 171 172 /** VP9 levels */ 173 typedef enum OMX_VIDEO_VP9LEVELTYPE { 174 OMX_VIDEO_VP9Level1 = 0x1, 175 OMX_VIDEO_VP9Level11 = 0x2, 176 OMX_VIDEO_VP9Level2 = 0x4, 177 OMX_VIDEO_VP9Level21 = 0x8, 178 OMX_VIDEO_VP9Level3 = 0x10, 179 OMX_VIDEO_VP9Level31 = 0x20, 180 OMX_VIDEO_VP9Level4 = 0x40, 181 OMX_VIDEO_VP9Level41 = 0x80, 182 OMX_VIDEO_VP9Level5 = 0x100, 183 OMX_VIDEO_VP9Level51 = 0x200, 184 OMX_VIDEO_VP9Level52 = 0x400, 185 OMX_VIDEO_VP9Level6 = 0x800, 186 OMX_VIDEO_VP9Level61 = 0x1000, 187 OMX_VIDEO_VP9Level62 = 0x2000, 188 OMX_VIDEO_VP9LevelUnknown = 0x6EFFFFFF, 189 OMX_VIDEO_VP9LevelMax = 0x7FFFFFFF 190 } OMX_VIDEO_VP9LEVELTYPE; 191 192 /** 193 * VP9 Parameters. 194 * Encoder specific parameters (decoders should ignore these fields): 195 * - bErrorResilientMode 196 * - nTileRows 197 * - nTileColumns 198 * - bEnableFrameParallelDecoding 199 */ 200 typedef struct OMX_VIDEO_PARAM_VP9TYPE { 201 OMX_U32 nSize; 202 OMX_VERSIONTYPE nVersion; 203 OMX_U32 nPortIndex; 204 OMX_VIDEO_VP9PROFILETYPE eProfile; 205 OMX_VIDEO_VP9LEVELTYPE eLevel; 206 OMX_BOOL bErrorResilientMode; 207 OMX_U32 nTileRows; 208 OMX_U32 nTileColumns; 209 OMX_BOOL bEnableFrameParallelDecoding; 210 } OMX_VIDEO_PARAM_VP9TYPE; 211 212 /** HEVC Profile enum type */ 213 typedef enum OMX_VIDEO_HEVCPROFILETYPE { 214 OMX_VIDEO_HEVCProfileUnknown = 0x0, 215 OMX_VIDEO_HEVCProfileMain = 0x1, 216 OMX_VIDEO_HEVCProfileMain10 = 0x2, 217 OMX_VIDEO_HEVCProfileMainStill = 0x04, 218 // Main10 profile with HDR SEI support. 219 OMX_VIDEO_HEVCProfileMain10HDR10 = 0x1000, 220 OMX_VIDEO_HEVCProfileMax = 0x7FFFFFFF 221 } OMX_VIDEO_HEVCPROFILETYPE; 222 223 /** HEVC Level enum type */ 224 typedef enum OMX_VIDEO_HEVCLEVELTYPE { 225 OMX_VIDEO_HEVCLevelUnknown = 0x0, 226 OMX_VIDEO_HEVCMainTierLevel1 = 0x1, 227 OMX_VIDEO_HEVCHighTierLevel1 = 0x2, 228 OMX_VIDEO_HEVCMainTierLevel2 = 0x4, 229 OMX_VIDEO_HEVCHighTierLevel2 = 0x8, 230 OMX_VIDEO_HEVCMainTierLevel21 = 0x10, 231 OMX_VIDEO_HEVCHighTierLevel21 = 0x20, 232 OMX_VIDEO_HEVCMainTierLevel3 = 0x40, 233 OMX_VIDEO_HEVCHighTierLevel3 = 0x80, 234 OMX_VIDEO_HEVCMainTierLevel31 = 0x100, 235 OMX_VIDEO_HEVCHighTierLevel31 = 0x200, 236 OMX_VIDEO_HEVCMainTierLevel4 = 0x400, 237 OMX_VIDEO_HEVCHighTierLevel4 = 0x800, 238 OMX_VIDEO_HEVCMainTierLevel41 = 0x1000, 239 OMX_VIDEO_HEVCHighTierLevel41 = 0x2000, 240 OMX_VIDEO_HEVCMainTierLevel5 = 0x4000, 241 OMX_VIDEO_HEVCHighTierLevel5 = 0x8000, 242 OMX_VIDEO_HEVCMainTierLevel51 = 0x10000, 243 OMX_VIDEO_HEVCHighTierLevel51 = 0x20000, 244 OMX_VIDEO_HEVCMainTierLevel52 = 0x40000, 245 OMX_VIDEO_HEVCHighTierLevel52 = 0x80000, 246 OMX_VIDEO_HEVCMainTierLevel6 = 0x100000, 247 OMX_VIDEO_HEVCHighTierLevel6 = 0x200000, 248 OMX_VIDEO_HEVCMainTierLevel61 = 0x400000, 249 OMX_VIDEO_HEVCHighTierLevel61 = 0x800000, 250 OMX_VIDEO_HEVCMainTierLevel62 = 0x1000000, 251 OMX_VIDEO_HEVCHighTierLevel62 = 0x2000000, 252 OMX_VIDEO_HEVCHighTiermax = 0x7FFFFFFF 253 } OMX_VIDEO_HEVCLEVELTYPE; 254 255 /** Structure for controlling HEVC video encoding */ 256 typedef struct OMX_VIDEO_PARAM_HEVCTYPE { 257 OMX_U32 nSize; 258 OMX_VERSIONTYPE nVersion; 259 OMX_U32 nPortIndex; 260 OMX_VIDEO_HEVCPROFILETYPE eProfile; 261 OMX_VIDEO_HEVCLEVELTYPE eLevel; 262 OMX_U32 nKeyFrameInterval; // distance between consecutive I-frames (including one 263 // of the I frames). 0 means interval is unspecified and 264 // can be freely chosen by the codec. 1 means a stream of 265 // only I frames. 266 } OMX_VIDEO_PARAM_HEVCTYPE; 267 268 /** Structure to define if dependent slice segments should be used */ 269 typedef struct OMX_VIDEO_SLICESEGMENTSTYPE { 270 OMX_U32 nSize; 271 OMX_VERSIONTYPE nVersion; 272 OMX_U32 nPortIndex; 273 OMX_BOOL bDepedentSegments; 274 OMX_BOOL bEnableLoopFilterAcrossSlices; 275 } OMX_VIDEO_SLICESEGMENTSTYPE; 276 277 /** Structure to return timestamps of rendered output frames as well as EOS 278 * for tunneled components. 279 */ 280 typedef struct OMX_VIDEO_RENDEREVENTTYPE { 281 OMX_S64 nMediaTimeUs; // timestamp of rendered video frame 282 OMX_S64 nSystemTimeNs; // system monotonic time at the time frame was rendered 283 // Use INT64_MAX for nMediaTimeUs to signal that the EOS 284 // has been reached. In this case, nSystemTimeNs MUST be 285 // the system time when the last frame was rendered. 286 // This MUST be done in addition to returning (and 287 // following) the render information for the last frame. 288 } OMX_VIDEO_RENDEREVENTTYPE; 289 290 /** Dolby Vision Profile enum type */ 291 typedef enum OMX_VIDEO_DOLBYVISIONPROFILETYPE { 292 OMX_VIDEO_DolbyVisionProfileUnknown = 0x0, 293 OMX_VIDEO_DolbyVisionProfileDvavPer = 0x1, 294 OMX_VIDEO_DolbyVisionProfileDvavPen = 0x2, 295 OMX_VIDEO_DolbyVisionProfileDvheDer = 0x4, 296 OMX_VIDEO_DolbyVisionProfileDvheDen = 0x8, 297 OMX_VIDEO_DolbyVisionProfileDvheDtr = 0x10, 298 OMX_VIDEO_DolbyVisionProfileDvheStn = 0x20, 299 OMX_VIDEO_DolbyVisionProfileDvheDth = 0x40, 300 OMX_VIDEO_DolbyVisionProfileDvheDtb = 0x80, 301 OMX_VIDEO_DolbyVisionProfileDvheSt = 0x100, 302 OMX_VIDEO_DolbyVisionProfileDvavSe = 0x200, 303 OMX_VIDEO_DolbyVisionProfileMax = 0x7FFFFFFF 304 } OMX_VIDEO_DOLBYVISIONPROFILETYPE; 305 306 /** Dolby Vision Level enum type */ 307 typedef enum OMX_VIDEO_DOLBYVISIONLEVELTYPE { 308 OMX_VIDEO_DolbyVisionLevelUnknown = 0x0, 309 OMX_VIDEO_DolbyVisionLevelHd24 = 0x1, 310 OMX_VIDEO_DolbyVisionLevelHd30 = 0x2, 311 OMX_VIDEO_DolbyVisionLevelFhd24 = 0x4, 312 OMX_VIDEO_DolbyVisionLevelFhd30 = 0x8, 313 OMX_VIDEO_DolbyVisionLevelFhd60 = 0x10, 314 OMX_VIDEO_DolbyVisionLevelUhd24 = 0x20, 315 OMX_VIDEO_DolbyVisionLevelUhd30 = 0x40, 316 OMX_VIDEO_DolbyVisionLevelUhd48 = 0x80, 317 OMX_VIDEO_DolbyVisionLevelUhd60 = 0x100, 318 OMX_VIDEO_DolbyVisionLevelmax = 0x7FFFFFFF 319 } OMX_VIDEO_DOLBYVISIONLEVELTYPE; 320 321 /** 322 * Structure for configuring video compression intra refresh period 323 * 324 * STRUCT MEMBERS: 325 * nSize : Size of the structure in bytes 326 * nVersion : OMX specification version information 327 * nPortIndex : Port that this structure applies to 328 * nRefreshPeriod : Intra refreh period in frames. Value 0 means disable intra refresh 329 */ 330 typedef struct OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE { 331 OMX_U32 nSize; 332 OMX_VERSIONTYPE nVersion; 333 OMX_U32 nPortIndex; 334 OMX_U32 nRefreshPeriod; 335 } OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE; 336 337 /** Maximum number of temporal layers supported by AVC/HEVC */ 338 #define OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS 8 339 340 /** temporal layer patterns */ 341 typedef enum OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE { 342 OMX_VIDEO_AndroidTemporalLayeringPatternNone = 0, 343 // pattern as defined by WebRTC 344 OMX_VIDEO_AndroidTemporalLayeringPatternWebRTC = 1 << 0, 345 // pattern where frames in any layer other than the base layer only depend on at most the very 346 // last frame from each preceding layer (other than the base layer.) 347 OMX_VIDEO_AndroidTemporalLayeringPatternAndroid = 1 << 1, 348 } OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE; 349 350 /** 351 * Android specific param for configuration of temporal layering. 352 * Android only supports temporal layering where successive layers each double the 353 * previous layer's framerate. 354 * NOTE: Reading this parameter at run-time SHALL return actual run-time values. 355 * 356 * nSize : Size of the structure in bytes 357 * nVersion : OMX specification version information 358 * nPortIndex : Port that this structure applies to (output port for encoders) 359 * eSupportedPatterns : A bitmask of supported layering patterns 360 * nLayerCountMax : Max number of temporal coding layers supported 361 * by the encoder (must be at least 1, 1 meaning temporal layering 362 * is NOT supported) 363 * nBLayerCountMax : Max number of layers that can contain B frames 364 * (0) to (nLayerCountMax - 1) 365 * ePattern : Layering pattern. 366 * nPLayerCountActual : Number of temporal layers to be coded with non-B frames, 367 * starting from and including the base-layer. 368 * (1 to nLayerCountMax - nBLayerCountActual) 369 * If nPLayerCountActual is 1 and nBLayerCountActual is 0, temporal 370 * layering is disabled. Otherwise, it is enabled. 371 * nBLayerCountActual : Number of temporal layers to be coded with B frames, 372 * starting after non-B layers. 373 * (0 to nBLayerCountMax) 374 * bBitrateRatiosSpecified : Flag to indicate if layer-wise bitrate 375 * distribution is specified. 376 * nBitrateRatios : Bitrate ratio (100 based) per layer (index 0 is base layer). 377 * Honored if bBitrateRatiosSpecified is set. 378 * i.e for 4 layers with desired distribution (25% 25% 25% 25%), 379 * nBitrateRatio = {25, 50, 75, 100, ... } 380 * Values in indices not less than 'the actual number of layers 381 * minus 1' MAY be ignored and assumed to be 100. 382 */ 383 typedef struct OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE { 384 OMX_U32 nSize; 385 OMX_VERSIONTYPE nVersion; 386 OMX_U32 nPortIndex; 387 OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE eSupportedPatterns; 388 OMX_U32 nLayerCountMax; 389 OMX_U32 nBLayerCountMax; 390 OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern; 391 OMX_U32 nPLayerCountActual; 392 OMX_U32 nBLayerCountActual; 393 OMX_BOOL bBitrateRatiosSpecified; 394 OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS]; 395 } OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE; 396 397 /** 398 * Android specific config for changing the temporal-layer count or 399 * bitrate-distribution at run-time. 400 * 401 * nSize : Size of the structure in bytes 402 * nVersion : OMX specification version information 403 * nPortIndex : Port that this structure applies to (output port for encoders) 404 * ePattern : Layering pattern. 405 * nPLayerCountActual : Number of temporal layers to be coded with non-B frames. 406 * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) 407 * nBLayerCountActual : Number of temporal layers to be coded with B frames. 408 * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) 409 * bBitrateRatiosSpecified : Flag to indicate if layer-wise bitrate 410 * distribution is specified. 411 * nBitrateRatios : Bitrate ratio (100 based, Q16 values) per layer (0 is base layer). 412 * Honored if bBitrateRatiosSpecified is set. 413 * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) 414 */ 415 typedef struct OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE { 416 OMX_U32 nSize; 417 OMX_VERSIONTYPE nVersion; 418 OMX_U32 nPortIndex; 419 OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern; 420 OMX_U32 nPLayerCountActual; 421 OMX_U32 nBLayerCountActual; 422 OMX_BOOL bBitrateRatiosSpecified; 423 OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS]; 424 } OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE; 425 426 /** 427 * Android specific param for specifying image grid layout information for image encoding 428 * use cases, corresponding to index OMX_IndexParamVideoAndroidImageGrid. 429 * 430 * OMX_VIDEO_CodingImageHEIC encoders must handle this param type. When this param is set 431 * on the component with bEnabled set to true, nTileWidth, nTileHeight, nGridRows, 432 * nGridCols indicates the desired grid config by the client. The component can use this 433 * as a heuristic, and is free to choose any suitable grid configs. The client shall 434 * always get the actual from the component after the param is set. Encoder will receive 435 * each input image in full, and shall encode it into tiles in row-major, top-row first, 436 * left-to-right order, and send each encoded tile in a separate output buffer. All output 437 * buffers for the same input buffer shall carry the same timestamp as the input buffer. 438 * If the input buffer is marked EOS, the EOS should only appear on the last output buffer 439 * for that input buffer. 440 * 441 * OMX_VIDEO_CodingHEVC encoders might also receive this param when it's used for image 442 * encoding, although in this case the param only serves as a hint. The encoder will 443 * receive the input image tiles in row-major, top-row first, left-to-right order. 444 * The grid config can be used for quality control, or optimizations. 445 * 446 * If this param is not set, the component shall assume that grid option is disabled. 447 * 448 * nSize : Size of the structure in bytes 449 * nVersion : OMX specification version information 450 * nPortIndex : Port that this structure applies to (output port for encoders) 451 * bEnabled : Whether grid is enabled. If true, the other parameters 452 * specifies the grid config; otherwise they shall be ignored. 453 * nTileWidth : Width of each tile. 454 * nTileHeight : Height of each tile. 455 * nGridRows : Number of rows in the grid. 456 * nGridCols : Number of cols in the grid. 457 */ 458 typedef struct OMX_VIDEO_PARAM_ANDROID_IMAGEGRIDTYPE { 459 OMX_U32 nSize; 460 OMX_VERSIONTYPE nVersion; 461 OMX_U32 nPortIndex; 462 OMX_BOOL bEnabled; 463 OMX_U32 nTileWidth; 464 OMX_U32 nTileHeight; 465 OMX_U32 nGridRows; 466 OMX_U32 nGridCols; 467 } OMX_VIDEO_PARAM_ANDROID_IMAGEGRIDTYPE; 468 469 #ifdef __cplusplus 470 } 471 #endif /* __cplusplus */ 472 473 #endif /* OMX_VideoExt_h */ 474 /* File EOF */ 475