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      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_VP9ProfileUnknown = 0x6EFFFFFF,
    168     OMX_VIDEO_VP9ProfileMax = 0x7FFFFFFF
    169 } OMX_VIDEO_VP9PROFILETYPE;
    170 
    171 /** VP9 levels */
    172 typedef 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 */
    199 typedef 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 */
    212 typedef enum OMX_VIDEO_HEVCPROFILETYPE {
    213     OMX_VIDEO_HEVCProfileUnknown      = 0x0,
    214     OMX_VIDEO_HEVCProfileMain         = 0x1,
    215     OMX_VIDEO_HEVCProfileMain10       = 0x2,
    216     // Main10 profile with HDR SEI support.
    217     OMX_VIDEO_HEVCProfileMain10HDR10  = 0x1000,
    218     OMX_VIDEO_HEVCProfileMax          = 0x7FFFFFFF
    219 } OMX_VIDEO_HEVCPROFILETYPE;
    220 
    221 /** HEVC Level enum type */
    222 typedef enum OMX_VIDEO_HEVCLEVELTYPE {
    223     OMX_VIDEO_HEVCLevelUnknown    = 0x0,
    224     OMX_VIDEO_HEVCMainTierLevel1  = 0x1,
    225     OMX_VIDEO_HEVCHighTierLevel1  = 0x2,
    226     OMX_VIDEO_HEVCMainTierLevel2  = 0x4,
    227     OMX_VIDEO_HEVCHighTierLevel2  = 0x8,
    228     OMX_VIDEO_HEVCMainTierLevel21 = 0x10,
    229     OMX_VIDEO_HEVCHighTierLevel21 = 0x20,
    230     OMX_VIDEO_HEVCMainTierLevel3  = 0x40,
    231     OMX_VIDEO_HEVCHighTierLevel3  = 0x80,
    232     OMX_VIDEO_HEVCMainTierLevel31 = 0x100,
    233     OMX_VIDEO_HEVCHighTierLevel31 = 0x200,
    234     OMX_VIDEO_HEVCMainTierLevel4  = 0x400,
    235     OMX_VIDEO_HEVCHighTierLevel4  = 0x800,
    236     OMX_VIDEO_HEVCMainTierLevel41 = 0x1000,
    237     OMX_VIDEO_HEVCHighTierLevel41 = 0x2000,
    238     OMX_VIDEO_HEVCMainTierLevel5  = 0x4000,
    239     OMX_VIDEO_HEVCHighTierLevel5  = 0x8000,
    240     OMX_VIDEO_HEVCMainTierLevel51 = 0x10000,
    241     OMX_VIDEO_HEVCHighTierLevel51 = 0x20000,
    242     OMX_VIDEO_HEVCMainTierLevel52 = 0x40000,
    243     OMX_VIDEO_HEVCHighTierLevel52 = 0x80000,
    244     OMX_VIDEO_HEVCMainTierLevel6  = 0x100000,
    245     OMX_VIDEO_HEVCHighTierLevel6  = 0x200000,
    246     OMX_VIDEO_HEVCMainTierLevel61 = 0x400000,
    247     OMX_VIDEO_HEVCHighTierLevel61 = 0x800000,
    248     OMX_VIDEO_HEVCMainTierLevel62 = 0x1000000,
    249     OMX_VIDEO_HEVCHighTierLevel62 = 0x2000000,
    250     OMX_VIDEO_HEVCHighTiermax     = 0x7FFFFFFF
    251 } OMX_VIDEO_HEVCLEVELTYPE;
    252 
    253 /** Structure for controlling HEVC video encoding */
    254 typedef struct OMX_VIDEO_PARAM_HEVCTYPE {
    255     OMX_U32 nSize;
    256     OMX_VERSIONTYPE nVersion;
    257     OMX_U32 nPortIndex;
    258     OMX_VIDEO_HEVCPROFILETYPE eProfile;
    259     OMX_VIDEO_HEVCLEVELTYPE eLevel;
    260     OMX_U32 nKeyFrameInterval;        // distance between consecutive I-frames (including one
    261                                       // of the I frames). 0 means interval is unspecified and
    262                                       // can be freely chosen by the codec. 1 means a stream of
    263                                       // only I frames.
    264 } OMX_VIDEO_PARAM_HEVCTYPE;
    265 
    266 /** Structure to define if dependent slice segments should be used */
    267 typedef struct OMX_VIDEO_SLICESEGMENTSTYPE {
    268     OMX_U32 nSize;
    269     OMX_VERSIONTYPE nVersion;
    270     OMX_U32 nPortIndex;
    271     OMX_BOOL bDepedentSegments;
    272     OMX_BOOL bEnableLoopFilterAcrossSlices;
    273 } OMX_VIDEO_SLICESEGMENTSTYPE;
    274 
    275 /** Structure to return timestamps of rendered output frames as well as EOS
    276  *  for tunneled components.
    277  */
    278 typedef struct OMX_VIDEO_RENDEREVENTTYPE {
    279     OMX_S64 nMediaTimeUs;  // timestamp of rendered video frame
    280     OMX_S64 nSystemTimeNs; // system monotonic time at the time frame was rendered
    281                            // Use INT64_MAX for nMediaTimeUs to signal that the EOS
    282                            // has been reached. In this case, nSystemTimeNs MUST be
    283                            // the system time when the last frame was rendered.
    284                            // This MUST be done in addition to returning (and
    285                            // following) the render information for the last frame.
    286 } OMX_VIDEO_RENDEREVENTTYPE;
    287 
    288 /** Dolby Vision Profile enum type */
    289 typedef enum OMX_VIDEO_DOLBYVISIONPROFILETYPE {
    290     OMX_VIDEO_DolbyVisionProfileUnknown = 0x0,
    291     OMX_VIDEO_DolbyVisionProfileDvavPer = 0x1,
    292     OMX_VIDEO_DolbyVisionProfileDvavPen = 0x2,
    293     OMX_VIDEO_DolbyVisionProfileDvheDer = 0x4,
    294     OMX_VIDEO_DolbyVisionProfileDvheDen = 0x8,
    295     OMX_VIDEO_DolbyVisionProfileDvheDtr = 0x10,
    296     OMX_VIDEO_DolbyVisionProfileDvheStn = 0x20,
    297     OMX_VIDEO_DolbyVisionProfileDvheDth = 0x40,
    298     OMX_VIDEO_DolbyVisionProfileDvheDtb = 0x80,
    299     OMX_VIDEO_DolbyVisionProfileDvheSt  = 0x100,
    300     OMX_VIDEO_DolbyVisionProfileDvavSe  = 0x200,
    301     OMX_VIDEO_DolbyVisionProfileMax     = 0x7FFFFFFF
    302 } OMX_VIDEO_DOLBYVISIONPROFILETYPE;
    303 
    304 /** Dolby Vision Level enum type */
    305 typedef enum OMX_VIDEO_DOLBYVISIONLEVELTYPE {
    306     OMX_VIDEO_DolbyVisionLevelUnknown = 0x0,
    307     OMX_VIDEO_DolbyVisionLevelHd24    = 0x1,
    308     OMX_VIDEO_DolbyVisionLevelHd30    = 0x2,
    309     OMX_VIDEO_DolbyVisionLevelFhd24   = 0x4,
    310     OMX_VIDEO_DolbyVisionLevelFhd30   = 0x8,
    311     OMX_VIDEO_DolbyVisionLevelFhd60   = 0x10,
    312     OMX_VIDEO_DolbyVisionLevelUhd24   = 0x20,
    313     OMX_VIDEO_DolbyVisionLevelUhd30   = 0x40,
    314     OMX_VIDEO_DolbyVisionLevelUhd48   = 0x80,
    315     OMX_VIDEO_DolbyVisionLevelUhd60   = 0x100,
    316     OMX_VIDEO_DolbyVisionLevelmax     = 0x7FFFFFFF
    317 } OMX_VIDEO_DOLBYVISIONLEVELTYPE;
    318 
    319 /**
    320  * Structure for configuring video compression intra refresh period
    321  *
    322  * STRUCT MEMBERS:
    323  *  nSize               : Size of the structure in bytes
    324  *  nVersion            : OMX specification version information
    325  *  nPortIndex          : Port that this structure applies to
    326  *  nRefreshPeriod      : Intra refreh period in frames. Value 0 means disable intra refresh
    327  */
    328 typedef struct OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE {
    329     OMX_U32 nSize;
    330     OMX_VERSIONTYPE nVersion;
    331     OMX_U32 nPortIndex;
    332     OMX_U32 nRefreshPeriod;
    333 } OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE;
    334 
    335 /** Maximum number of temporal layers supported by AVC/HEVC */
    336 #define OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS 8
    337 
    338 /** temporal layer patterns */
    339 typedef enum OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE {
    340     OMX_VIDEO_AndroidTemporalLayeringPatternNone = 0,
    341     // pattern as defined by WebRTC
    342     OMX_VIDEO_AndroidTemporalLayeringPatternWebRTC = 1 << 0,
    343     // pattern where frames in any layer other than the base layer only depend on at most the very
    344     // last frame from each preceding layer (other than the base layer.)
    345     OMX_VIDEO_AndroidTemporalLayeringPatternAndroid = 1 << 1,
    346 } OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE;
    347 
    348 /**
    349  * Android specific param for configuration of temporal layering.
    350  * Android only supports temporal layering where successive layers each double the
    351  * previous layer's framerate.
    352  * NOTE: Reading this parameter at run-time SHALL return actual run-time values.
    353  *
    354  *  nSize                      : Size of the structure in bytes
    355  *  nVersion                   : OMX specification version information
    356  *  nPortIndex                 : Port that this structure applies to (output port for encoders)
    357  *  eSupportedPatterns         : A bitmask of supported layering patterns
    358  *  nLayerCountMax             : Max number of temporal coding layers supported
    359  *                               by the encoder (must be at least 1, 1 meaning temporal layering
    360  *                               is NOT supported)
    361  *  nBLayerCountMax            : Max number of layers that can contain B frames
    362  *                               (0) to (nLayerCountMax - 1)
    363  *  ePattern                   : Layering pattern.
    364  *  nPLayerCountActual         : Number of temporal layers to be coded with non-B frames,
    365  *                               starting from and including the base-layer.
    366  *                               (1 to nLayerCountMax - nBLayerCountActual)
    367  *                               If nPLayerCountActual is 1 and nBLayerCountActual is 0, temporal
    368  *                               layering is disabled. Otherwise, it is enabled.
    369  *  nBLayerCountActual         : Number of temporal layers to be coded with B frames,
    370  *                               starting after non-B layers.
    371  *                               (0 to nBLayerCountMax)
    372  *  bBitrateRatiosSpecified    : Flag to indicate if layer-wise bitrate
    373  *                               distribution is specified.
    374  *  nBitrateRatios             : Bitrate ratio (100 based) per layer (index 0 is base layer).
    375  *                               Honored if bBitrateRatiosSpecified is set.
    376  *                               i.e for 4 layers with desired distribution (25% 25% 25% 25%),
    377  *                               nBitrateRatio = {25, 50, 75, 100, ... }
    378  *                               Values in indices not less than 'the actual number of layers
    379  *                               minus 1' MAY be ignored and assumed to be 100.
    380  */
    381 typedef struct OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE {
    382     OMX_U32 nSize;
    383     OMX_VERSIONTYPE nVersion;
    384     OMX_U32 nPortIndex;
    385     OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE eSupportedPatterns;
    386     OMX_U32 nLayerCountMax;
    387     OMX_U32 nBLayerCountMax;
    388     OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern;
    389     OMX_U32 nPLayerCountActual;
    390     OMX_U32 nBLayerCountActual;
    391     OMX_BOOL bBitrateRatiosSpecified;
    392     OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS];
    393 } OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE;
    394 
    395 /**
    396  * Android specific config for changing the temporal-layer count or
    397  * bitrate-distribution at run-time.
    398  *
    399  *  nSize                      : Size of the structure in bytes
    400  *  nVersion                   : OMX specification version information
    401  *  nPortIndex                 : Port that this structure applies to (output port for encoders)
    402  *  ePattern                   : Layering pattern.
    403  *  nPLayerCountActual         : Number of temporal layers to be coded with non-B frames.
    404  *                               (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.)
    405  *  nBLayerCountActual         : Number of temporal layers to be coded with B frames.
    406  *                               (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.)
    407  *  bBitrateRatiosSpecified    : Flag to indicate if layer-wise bitrate
    408  *                               distribution is specified.
    409  *  nBitrateRatios             : Bitrate ratio (100 based, Q16 values) per layer (0 is base layer).
    410  *                               Honored if bBitrateRatiosSpecified is set.
    411  *                               (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.)
    412  */
    413 typedef struct OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE {
    414     OMX_U32 nSize;
    415     OMX_VERSIONTYPE nVersion;
    416     OMX_U32 nPortIndex;
    417     OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern;
    418     OMX_U32 nPLayerCountActual;
    419     OMX_U32 nBLayerCountActual;
    420     OMX_BOOL bBitrateRatiosSpecified;
    421     OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS];
    422 } OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE;
    423 
    424 #ifdef __cplusplus
    425 }
    426 #endif /* __cplusplus */
    427 
    428 #endif /* OMX_VideoExt_h */
    429 /* File EOF */
    430