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| author | Carl Zhang <carl.zhang@intel.com> | 2019-07-31 11:35:05 -0400 |
|---|---|---|
| committer | XinfengZhang <carl.zhang@intel.com> | 2019-09-03 09:44:42 +0800 |
| commit | 8fd400cec8828f72cb053b887f6f833e368756d0 (patch) | |
| tree | 3d998681965c18d071ed6e3223fd2b99f521f999 | |
| parent | 9542f7ba9e88b04b4c1a5d7d71ba686132b7313c (diff) | |
| download | libva-8fd400cec8828f72cb053b887f6f833e368756d0.tar.gz | |
add variable to indicate layer infromation
Signed-off-by: Carl Zhang <carl.zhang@intel.com>
| -rw-r--r-- | va/va_enc_hevc.h | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/va/va_enc_hevc.h b/va/va_enc_hevc.h index eb07c3b..6db03c8 100644 --- a/va/va_enc_hevc.h +++ b/va/va_enc_hevc.h @@ -222,8 +222,19 @@ typedef struct _VAEncSequenceParameterBufferHEVC { uint32_t pcm_loop_filter_disabled_flag : 1; /** \brief Same as the HEVC bitstream syntax element. */ uint32_t sps_temporal_mvp_enabled_flag : 1; - - uint32_t reserved_bits : 16; + /** \brief Indicates whether or not the encoding is in low delay mode. + * 0 normal sequence + * 1 no random access B will be coded . and the coding type could be only I, P or LDB + * this flag only indicates the frame coding type of the sequence. + */ + uint32_t low_delay_seq : 1; + /** \brief Indicates whether or not the encoding is in dyadic hierarchical GOP structure + * the default value 0, BRC would treat is as flat structure. if HierachicalFlag == 1, + * application would enable Qp Modulation + */ + uint32_t hierachical_flag : 1; + /** \brief keep for future , should be set to 0 */ + uint32_t reserved_bits : 14; } bits; uint32_t value; } seq_fields; @@ -316,7 +327,6 @@ typedef struct _VAEncSequenceParameterBufferHEVC { uint8_t max_bytes_per_pic_denom; /** \brief Same as the HEVC bitstream syntax element. */ uint8_t max_bits_per_min_cu_denom; - /** \brief Reserved bytes for future use, must be zero */ uint32_t va_reserved[VA_PADDING_MEDIUM]; /**@}*/ @@ -521,8 +531,16 @@ typedef struct _VAEncPictureParameterBufferHEVC { uint32_t value; } pic_fields; + /** \brief When hierachical_level_plus1 > 0, hierachical_level_plus1-1 indicates + *the current frame's level.when it > 0. B1, B2 setting in CodingType can be treated as B, + *hirachical level is determined by this variable.When hierachical_level_plus1 == 0, + *hierarchical level information still comes from coding_type. + */ + uint8_t hierarchical_level_plus1; + /** \brief Reserved bytes for future use, must be zero */ + uint8_t va_byte_reserved[3]; /** \brief Reserved bytes for future use, must be zero */ - uint32_t va_reserved[VA_PADDING_HIGH]; + uint32_t va_reserved[VA_PADDING_HIGH - 1]; } VAEncPictureParameterBufferHEVC; /** |