diff options
| -rw-r--r-- | va/va.h | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -1221,9 +1221,20 @@ typedef struct _VAIQMatrixBufferH264 typedef struct _VASliceParameterBufferH264 { unsigned int slice_data_size;/* number of bytes in the slice data buffer for this slice */ - unsigned int slice_data_offset;/* the offset to the NAL start code for this slice */ + /** \brief Byte offset to the NAL Header Unit for this slice. */ + unsigned int slice_data_offset; unsigned int slice_data_flag; /* see VA_SLICE_DATA_FLAG_XXX defintions */ - unsigned short slice_data_bit_offset; /* bit offset from NAL start code to the beginning of slice data */ + /** + * \brief Bit offset from NAL Header Unit to the begining of slice_data(). + * + * This bit offset is relative from the NAL unit byte to the first + * bit of slice_data(), thus including any emulation prevention + * bytes in slice_header(). + * + * Basically, this field represents the number of bits parsed in + * the slice_header() + 8 for the initial NAL unit byte. + */ + unsigned short slice_data_bit_offset; unsigned short first_mb_in_slice; unsigned char slice_type; unsigned char direct_spatial_mv_pred_flag; |