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 34extern "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 */ 44typedef 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 */ 54typedef 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 */ 62typedef 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 */ 68typedef 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 */ 75typedef 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 */ 85typedef 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 */ 96typedef 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 */ 109typedef 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 */ 121typedef 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 */ 142typedef 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 */ 159typedef 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_VP9ProfileUnknown = 0x6EFFFFFF, 168 OMX_VIDEO_VP9ProfileMax = 0x7FFFFFFF 169} OMX_VIDEO_VP9PROFILETYPE; 170 171/** VP9 levels */ 172typedef enum OMX_VIDEO_VP9LEVELTYPE { 173 OMX_VIDEO_VP9Level1 = 0x1, 174 OMX_VIDEO_VP9Level11 = 0x2, 175 OMX_VIDEO_VP9Level2 = 0x4, 176 OMX_VIDEO_VP9Level21 = 0x8, 177 OMX_VIDEO_VP9Level3 = 0x10, 178 OMX_VIDEO_VP9Level31 = 0x20, 179 OMX_VIDEO_VP9Level4 = 0x40, 180 OMX_VIDEO_VP9Level41 = 0x80, 181 OMX_VIDEO_VP9Level5 = 0x100, 182 OMX_VIDEO_VP9Level51 = 0x200, 183 OMX_VIDEO_VP9Level52 = 0x400, 184 OMX_VIDEO_VP9Level6 = 0x800, 185 OMX_VIDEO_VP9Level61 = 0x1000, 186 OMX_VIDEO_VP9Level62 = 0x2000, 187 OMX_VIDEO_VP9LevelUnknown = 0x6EFFFFFF, 188 OMX_VIDEO_VP9LevelMax = 0x7FFFFFFF 189} OMX_VIDEO_VP9LEVELTYPE; 190 191/** 192* VP9 Parameters. 193* Encoder specific parameters (decoders should ignore these fields): 194* - bErrorResilientMode 195* - nTileRows 196* - nTileColumns 197* - bEnableFrameParallelDecoding 198*/ 199typedef struct OMX_VIDEO_PARAM_VP9TYPE { 200 OMX_U32 nSize; 201 OMX_VERSIONTYPE nVersion; 202 OMX_U32 nPortIndex; 203 OMX_VIDEO_VP9PROFILETYPE eProfile; 204 OMX_VIDEO_VP9LEVELTYPE eLevel; 205 OMX_BOOL bErrorResilientMode; 206 OMX_U32 nTileRows; 207 OMX_U32 nTileColumns; 208 OMX_BOOL bEnableFrameParallelDecoding; 209} OMX_VIDEO_PARAM_VP9TYPE; 210 211/** HEVC Profile enum type */ 212typedef enum OMX_VIDEO_HEVCPROFILETYPE { 213 OMX_VIDEO_HEVCProfileUnknown = 0x0, 214 OMX_VIDEO_HEVCProfileMain = 0x1, 215 OMX_VIDEO_HEVCProfileMain10 = 0x2, 216 OMX_VIDEO_HEVCProfileMainStill = 0x4, 217 // Main10 profile with HDR SEI support. 218 OMX_VIDEO_HEVCProfileMain10HDR10 = 0x1000, 219 OMX_VIDEO_HEVCProfileMax = 0x7FFFFFFF 220} OMX_VIDEO_HEVCPROFILETYPE; 221 222/** HEVC Level enum type */ 223typedef enum OMX_VIDEO_HEVCLEVELTYPE { 224 OMX_VIDEO_HEVCLevelUnknown = 0x0, 225 OMX_VIDEO_HEVCMainTierLevel1 = 0x1, 226 OMX_VIDEO_HEVCHighTierLevel1 = 0x2, 227 OMX_VIDEO_HEVCMainTierLevel2 = 0x4, 228 OMX_VIDEO_HEVCHighTierLevel2 = 0x8, 229 OMX_VIDEO_HEVCMainTierLevel21 = 0x10, 230 OMX_VIDEO_HEVCHighTierLevel21 = 0x20, 231 OMX_VIDEO_HEVCMainTierLevel3 = 0x40, 232 OMX_VIDEO_HEVCHighTierLevel3 = 0x80, 233 OMX_VIDEO_HEVCMainTierLevel31 = 0x100, 234 OMX_VIDEO_HEVCHighTierLevel31 = 0x200, 235 OMX_VIDEO_HEVCMainTierLevel4 = 0x400, 236 OMX_VIDEO_HEVCHighTierLevel4 = 0x800, 237 OMX_VIDEO_HEVCMainTierLevel41 = 0x1000, 238 OMX_VIDEO_HEVCHighTierLevel41 = 0x2000, 239 OMX_VIDEO_HEVCMainTierLevel5 = 0x4000, 240 OMX_VIDEO_HEVCHighTierLevel5 = 0x8000, 241 OMX_VIDEO_HEVCMainTierLevel51 = 0x10000, 242 OMX_VIDEO_HEVCHighTierLevel51 = 0x20000, 243 OMX_VIDEO_HEVCMainTierLevel52 = 0x40000, 244 OMX_VIDEO_HEVCHighTierLevel52 = 0x80000, 245 OMX_VIDEO_HEVCMainTierLevel6 = 0x100000, 246 OMX_VIDEO_HEVCHighTierLevel6 = 0x200000, 247 OMX_VIDEO_HEVCMainTierLevel61 = 0x400000, 248 OMX_VIDEO_HEVCHighTierLevel61 = 0x800000, 249 OMX_VIDEO_HEVCMainTierLevel62 = 0x1000000, 250 OMX_VIDEO_HEVCHighTierLevel62 = 0x2000000, 251 OMX_VIDEO_HEVCHighTiermax = 0x7FFFFFFF 252} OMX_VIDEO_HEVCLEVELTYPE; 253 254/** Structure for controlling HEVC video encoding */ 255typedef struct OMX_VIDEO_PARAM_HEVCTYPE { 256 OMX_U32 nSize; 257 OMX_VERSIONTYPE nVersion; 258 OMX_U32 nPortIndex; 259 OMX_VIDEO_HEVCPROFILETYPE eProfile; 260 OMX_VIDEO_HEVCLEVELTYPE eLevel; 261 OMX_U32 nKeyFrameInterval; // distance between consecutive I-frames (including one 262 // of the I frames). 0 means interval is unspecified and 263 // can be freely chosen by the codec. 1 means a stream of 264 // only I frames. 265} OMX_VIDEO_PARAM_HEVCTYPE; 266 267/** Structure to define if dependent slice segments should be used */ 268typedef struct OMX_VIDEO_SLICESEGMENTSTYPE { 269 OMX_U32 nSize; 270 OMX_VERSIONTYPE nVersion; 271 OMX_U32 nPortIndex; 272 OMX_BOOL bDepedentSegments; 273 OMX_BOOL bEnableLoopFilterAcrossSlices; 274} OMX_VIDEO_SLICESEGMENTSTYPE; 275 276/** Structure to return timestamps of rendered output frames as well as EOS 277 * for tunneled components. 278 */ 279typedef struct OMX_VIDEO_RENDEREVENTTYPE { 280 OMX_S64 nMediaTimeUs; // timestamp of rendered video frame 281 OMX_S64 nSystemTimeNs; // system monotonic time at the time frame was rendered 282 // Use INT64_MAX for nMediaTimeUs to signal that the EOS 283 // has been reached. In this case, nSystemTimeNs MUST be 284 // the system time when the last frame was rendered. 285 // This MUST be done in addition to returning (and 286 // following) the render information for the last frame. 287} OMX_VIDEO_RENDEREVENTTYPE; 288 289/** Dolby Vision Profile enum type */ 290typedef enum OMX_VIDEO_DOLBYVISIONPROFILETYPE { 291 OMX_VIDEO_DolbyVisionProfileUnknown = 0x0, 292 OMX_VIDEO_DolbyVisionProfileDvavPer = 0x1, 293 OMX_VIDEO_DolbyVisionProfileDvavPen = 0x2, 294 OMX_VIDEO_DolbyVisionProfileDvheDer = 0x4, 295 OMX_VIDEO_DolbyVisionProfileDvheDen = 0x8, 296 OMX_VIDEO_DolbyVisionProfileDvheDtr = 0x10, 297 OMX_VIDEO_DolbyVisionProfileDvheStn = 0x20, 298 OMX_VIDEO_DolbyVisionProfileDvheDth = 0x40, 299 OMX_VIDEO_DolbyVisionProfileDvheDtb = 0x80, 300 OMX_VIDEO_DolbyVisionProfileDvheSt = 0x100, 301 OMX_VIDEO_DolbyVisionProfileDvavSe = 0x200, 302 OMX_VIDEO_DolbyVisionProfileMax = 0x7FFFFFFF 303} OMX_VIDEO_DOLBYVISIONPROFILETYPE; 304 305/** Dolby Vision Level enum type */ 306typedef enum OMX_VIDEO_DOLBYVISIONLEVELTYPE { 307 OMX_VIDEO_DolbyVisionLevelUnknown = 0x0, 308 OMX_VIDEO_DolbyVisionLevelHd24 = 0x1, 309 OMX_VIDEO_DolbyVisionLevelHd30 = 0x2, 310 OMX_VIDEO_DolbyVisionLevelFhd24 = 0x4, 311 OMX_VIDEO_DolbyVisionLevelFhd30 = 0x8, 312 OMX_VIDEO_DolbyVisionLevelFhd60 = 0x10, 313 OMX_VIDEO_DolbyVisionLevelUhd24 = 0x20, 314 OMX_VIDEO_DolbyVisionLevelUhd30 = 0x40, 315 OMX_VIDEO_DolbyVisionLevelUhd48 = 0x80, 316 OMX_VIDEO_DolbyVisionLevelUhd60 = 0x100, 317 OMX_VIDEO_DolbyVisionLevelmax = 0x7FFFFFFF 318} OMX_VIDEO_DOLBYVISIONLEVELTYPE; 319 320/** 321 * Structure for configuring video compression intra refresh period 322 * 323 * STRUCT MEMBERS: 324 * nSize : Size of the structure in bytes 325 * nVersion : OMX specification version information 326 * nPortIndex : Port that this structure applies to 327 * nRefreshPeriod : Intra refreh period in frames. Value 0 means disable intra refresh 328 */ 329typedef struct OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE { 330 OMX_U32 nSize; 331 OMX_VERSIONTYPE nVersion; 332 OMX_U32 nPortIndex; 333 OMX_U32 nRefreshPeriod; 334} OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE; 335 336/** Maximum number of temporal layers supported by AVC/HEVC */ 337#define OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS 8 338 339/** temporal layer patterns */ 340typedef enum OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE { 341 OMX_VIDEO_AndroidTemporalLayeringPatternNone = 0, 342 // pattern as defined by WebRTC 343 OMX_VIDEO_AndroidTemporalLayeringPatternWebRTC = 1 << 0, 344 // pattern where frames in any layer other than the base layer only depend on at most the very 345 // last frame from each preceding layer (other than the base layer.) 346 OMX_VIDEO_AndroidTemporalLayeringPatternAndroid = 1 << 1, 347} OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE; 348 349/** 350 * Android specific param for configuration of temporal layering. 351 * Android only supports temporal layering where successive layers each double the 352 * previous layer's framerate. 353 * NOTE: Reading this parameter at run-time SHALL return actual run-time values. 354 * 355 * nSize : Size of the structure in bytes 356 * nVersion : OMX specification version information 357 * nPortIndex : Port that this structure applies to (output port for encoders) 358 * eSupportedPatterns : A bitmask of supported layering patterns 359 * nLayerCountMax : Max number of temporal coding layers supported 360 * by the encoder (must be at least 1, 1 meaning temporal layering 361 * is NOT supported) 362 * nBLayerCountMax : Max number of layers that can contain B frames 363 * (0) to (nLayerCountMax - 1) 364 * ePattern : Layering pattern. 365 * nPLayerCountActual : Number of temporal layers to be coded with non-B frames, 366 * starting from and including the base-layer. 367 * (1 to nLayerCountMax - nBLayerCountActual) 368 * If nPLayerCountActual is 1 and nBLayerCountActual is 0, temporal 369 * layering is disabled. Otherwise, it is enabled. 370 * nBLayerCountActual : Number of temporal layers to be coded with B frames, 371 * starting after non-B layers. 372 * (0 to nBLayerCountMax) 373 * bBitrateRatiosSpecified : Flag to indicate if layer-wise bitrate 374 * distribution is specified. 375 * nBitrateRatios : Bitrate ratio (100 based) per layer (index 0 is base layer). 376 * Honored if bBitrateRatiosSpecified is set. 377 * i.e for 4 layers with desired distribution (25% 25% 25% 25%), 378 * nBitrateRatio = {25, 50, 75, 100, ... } 379 * Values in indices not less than 'the actual number of layers 380 * minus 1' MAY be ignored and assumed to be 100. 381 */ 382typedef struct OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE { 383 OMX_U32 nSize; 384 OMX_VERSIONTYPE nVersion; 385 OMX_U32 nPortIndex; 386 OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE eSupportedPatterns; 387 OMX_U32 nLayerCountMax; 388 OMX_U32 nBLayerCountMax; 389 OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern; 390 OMX_U32 nPLayerCountActual; 391 OMX_U32 nBLayerCountActual; 392 OMX_BOOL bBitrateRatiosSpecified; 393 OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS]; 394} OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE; 395 396/** 397 * Android specific config for changing the temporal-layer count or 398 * bitrate-distribution at run-time. 399 * 400 * nSize : Size of the structure in bytes 401 * nVersion : OMX specification version information 402 * nPortIndex : Port that this structure applies to (output port for encoders) 403 * ePattern : Layering pattern. 404 * nPLayerCountActual : Number of temporal layers to be coded with non-B frames. 405 * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) 406 * nBLayerCountActual : Number of temporal layers to be coded with B frames. 407 * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) 408 * bBitrateRatiosSpecified : Flag to indicate if layer-wise bitrate 409 * distribution is specified. 410 * nBitrateRatios : Bitrate ratio (100 based, Q16 values) per layer (0 is base layer). 411 * Honored if bBitrateRatiosSpecified is set. 412 * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) 413 */ 414typedef struct OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE { 415 OMX_U32 nSize; 416 OMX_VERSIONTYPE nVersion; 417 OMX_U32 nPortIndex; 418 OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern; 419 OMX_U32 nPLayerCountActual; 420 OMX_U32 nBLayerCountActual; 421 OMX_BOOL bBitrateRatiosSpecified; 422 OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS]; 423} OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE; 424 425/** 426 * Android specific param for specifying image grid layout information for image encoding 427 * use cases, corresponding to index OMX_IndexParamVideoAndroidImageGrid. 428 * 429 * OMX_VIDEO_CodingImageHEIC encoders must handle this param type. When this param is set 430 * on the component with bEnabled set to true, nTileWidth, nTileHeight, nGridRows, 431 * nGridCols indicates the desired grid config by the client. The component can use this 432 * as a heuristic, and is free to choose any suitable grid configs. The client shall 433 * always get the actual from the component after the param is set. Encoder will receive 434 * each input image in full, and shall encode it into tiles in row-major, top-row first, 435 * left-to-right order, and send each encoded tile in a separate output buffer. All output 436 * buffers for the same input buffer shall carry the same timestamp as the input buffer. 437 * If the input buffer is marked EOS, the EOS should only appear on the last output buffer 438 * for that input buffer. 439 * 440 * OMX_VIDEO_CodingHEVC encoders might also receive this param when it's used for image 441 * encoding, although in this case the param only serves as a hint. The encoder will 442 * receive the input image tiles in row-major, top-row first, left-to-right order. 443 * The grid config can be used for quality control, or optimizations. 444 * 445 * If this param is not set, the component shall assume that grid option is disabled. 446 * 447 * nSize : Size of the structure in bytes 448 * nVersion : OMX specification version information 449 * nPortIndex : Port that this structure applies to (output port for encoders) 450 * bEnabled : Whether grid is enabled. If true, the other parameters 451 * specifies the grid config; otherwise they shall be ignored. 452 * nTileWidth : Width of each tile. 453 * nTileHeight : Height of each tile. 454 * nGridRows : Number of rows in the grid. 455 * nGridCols : Number of cols in the grid. 456 */ 457typedef struct OMX_VIDEO_PARAM_ANDROID_IMAGEGRIDTYPE { 458 OMX_U32 nSize; 459 OMX_VERSIONTYPE nVersion; 460 OMX_U32 nPortIndex; 461 OMX_BOOL bEnabled; 462 OMX_U32 nTileWidth; 463 OMX_U32 nTileHeight; 464 OMX_U32 nGridRows; 465 OMX_U32 nGridCols; 466} OMX_VIDEO_PARAM_ANDROID_IMAGEGRIDTYPE; 467 468#ifdef __cplusplus 469} 470#endif /* __cplusplus */ 471 472#endif /* OMX_VideoExt_h */ 473/* File EOF */ 474