diff options
Diffstat (limited to 'msm8974/mm-core/inc/OMX_VideoExt.h')
| -rw-r--r-- | msm8974/mm-core/inc/OMX_VideoExt.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/msm8974/mm-core/inc/OMX_VideoExt.h b/msm8974/mm-core/inc/OMX_VideoExt.h index 30fe514..9ea4828 100644 --- a/msm8974/mm-core/inc/OMX_VideoExt.h +++ b/msm8974/mm-core/inc/OMX_VideoExt.h @@ -174,6 +174,95 @@ typedef struct OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE { OMX_U32 nRefreshPeriod; } OMX_VIDEO_CONFIG_ANDROID_INTRAREFRESHTYPE; +/** Maximum number of temporal layers supported by AVC/HEVC */ +#define OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS 8 + +/** temporal layer patterns */ +typedef enum OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE { + OMX_VIDEO_AndroidTemporalLayeringPatternNone = 0, + // pattern as defined by WebRTC + OMX_VIDEO_AndroidTemporalLayeringPatternWebRTC = 1 << 0, + // pattern where frames in any layer other than the base layer only depend on at most the very + // last frame from each preceding layer (other than the base layer.) + OMX_VIDEO_AndroidTemporalLayeringPatternAndroid = 1 << 1, +} OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE; + +/** + * Android specific param for configuration of temporal layering. + * Android only supports temporal layering where successive layers each double the + * previous layer's framerate. + * NOTE: Reading this parameter at run-time SHALL return actual run-time values. + * + * nSize : Size of the structure in bytes + * nVersion : OMX specification version information + * nPortIndex : Port that this structure applies to (output port for encoders) + * eSupportedPatterns : A bitmask of supported layering patterns + * nLayerCountMax : Max number of temporal coding layers supported + * by the encoder (must be at least 1, 1 meaning temporal layering + * is NOT supported) + * nBLayerCountMax : Max number of layers that can contain B frames + * (0) to (nLayerCountMax - 1) + * ePattern : Layering pattern. + * nPLayerCountActual : Number of temporal layers to be coded with non-B frames, + * starting from and including the base-layer. + * (1 to nLayerCountMax - nBLayerCountActual) + * If nPLayerCountActual is 1 and nBLayerCountActual is 0, temporal + * layering is disabled. Otherwise, it is enabled. + * nBLayerCountActual : Number of temporal layers to be coded with B frames, + * starting after non-B layers. + * (0 to nBLayerCountMax) + * bBitrateRatiosSpecified : Flag to indicate if layer-wise bitrate + * distribution is specified. + * nBitrateRatios : Bitrate ratio (100 based) per layer (index 0 is base layer). + * Honored if bBitrateRatiosSpecified is set. + * i.e for 4 layers with desired distribution (25% 25% 25% 25%), + * nBitrateRatio = {25, 50, 75, 100, ... } + * Values in indices not less than 'the actual number of layers + * minus 1' MAY be ignored and assumed to be 100. +*/ +typedef struct OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE { + OMX_U32 nSize; + OMX_VERSIONTYPE nVersion; + OMX_U32 nPortIndex; + OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE eSupportedPatterns; + OMX_U32 nLayerCountMax; + OMX_U32 nBLayerCountMax; + OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern; + OMX_U32 nPLayerCountActual; + OMX_U32 nBLayerCountActual; + OMX_BOOL bBitrateRatiosSpecified; + OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS]; +} OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE; + +/** + * Android specific config for changing the temporal-layer count or + * bitrate-distribution at run-time. + * + * nSize : Size of the structure in bytes + * nVersion : OMX specification version information + * nPortIndex : Port that this structure applies to (output port for encoders) + * ePattern : Layering pattern. + * nPLayerCountActual : Number of temporal layers to be coded with non-B frames. + * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) + * nBLayerCountActual : Number of temporal layers to be coded with B frames. + * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) + * bBitrateRatiosSpecified : Flag to indicate if layer-wise bitrate + * distribution is specified. + * nBitrateRatios : Bitrate ratio (100 based, Q16 values) per layer (0 is base layer). + * Honored if bBitrateRatiosSpecified is set. + * (same OMX_VIDEO_PARAM_ANDROID_TEMPORALLAYERINGTYPE limits apply.) + */ +typedef struct OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE { + OMX_U32 nSize; + OMX_VERSIONTYPE nVersion; + OMX_U32 nPortIndex; + OMX_VIDEO_ANDROID_TEMPORALLAYERINGPATTERNTYPE ePattern; + OMX_U32 nPLayerCountActual; + OMX_U32 nBLayerCountActual; + OMX_BOOL bBitrateRatiosSpecified; + OMX_U32 nBitrateRatios[OMX_VIDEO_ANDROID_MAXTEMPORALLAYERS]; +} OMX_VIDEO_CONFIG_ANDROID_TEMPORALLAYERINGTYPE; + #ifdef __cplusplus } #endif /* __cplusplus */ |