diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2010-03-03 23:36:56 +0300 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2010-03-03 23:36:56 +0300 |
commit | bd8868e0929662e7bea5c7efff69daece1df9126 (patch) | |
tree | fdd539a061377a4696806ffde999139918cd4d33 /libavcodec/h264.h | |
parent | 19a9846f3d882e52b8642787a1e96570116af031 (diff) |
Move all context fields that are not used in the mb and block layers
to the end of the structure.
4 cpu cycles faster in 3k cpu cycles
Originally committed as revision 22181 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/h264.h')
-rw-r--r-- | libavcodec/h264.h | 137 |
1 files changed, 73 insertions, 64 deletions
diff --git a/libavcodec/h264.h b/libavcodec/h264.h index e61347aa61..1ebe081675 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -262,17 +262,6 @@ typedef struct MMCO{ */ typedef struct H264Context{ MpegEncContext s; - int nal_ref_idc; - int nal_unit_type; - uint8_t *rbsp_buffer[2]; - unsigned int rbsp_buffer_size[2]; - - /** - * Used to parse AVC variant of h264 - */ - int is_avc; ///< this flag is != 0 if codec is avc1 - int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4) - int chroma_qp[2]; //QPc int qp_thresh; ///< QP threshold to skip loopfilter @@ -354,23 +343,19 @@ typedef struct H264Context{ int emu_edge_width; int emu_edge_height; - SPS *sps_buffers[MAX_SPS_COUNT]; SPS sps; ///< current sps - PPS *pps_buffers[MAX_PPS_COUNT]; /** * current pps */ PPS pps; //FIXME move to Picture perhaps? (->no) do we need that? - uint32_t dequant4_buffer[6][52][16]; + uint32_t dequant4_buffer[6][52][16]; //FIXME should these be moved down? uint32_t dequant8_buffer[2][52][64]; uint32_t (*dequant4_coeff[6])[16]; uint32_t (*dequant8_coeff[2])[64]; - int dequant_coeff_pps; ///< reinit tables when pps changes int slice_num; - uint16_t *slice_table_base; uint16_t *slice_table; ///< slice_table_base + 2*mb_stride + 1 int slice_type; int slice_type_nos; ///< S free slice type (SI/SP are remapped to I/P) @@ -383,28 +368,6 @@ typedef struct H264Context{ DECLARE_ALIGNED_8(uint16_t, sub_mb_type)[4]; - //POC stuff - int poc_lsb; - int poc_msb; - int delta_poc_bottom; - int delta_poc[2]; - int frame_num; - int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0 - int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0 - int frame_num_offset; ///< for POC type 2 - int prev_frame_num_offset; ///< for POC type 2 - int prev_frame_num; ///< frame_num of the last pic for POC type 1/2 - - /** - * frame_num for frames or 2*frame_num+1 for field pics. - */ - int curr_pic_num; - - /** - * max_frame_num or 2*max_frame_num for field pics. - */ - int max_pic_num; - //Weighted pred stuff int use_weight; int use_weight_chroma; @@ -415,13 +378,6 @@ typedef struct H264Context{ int chroma_weight[2][48][2][2]; int implicit_weight[48][48]; - //deblock - int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0 - int slice_alpha_c0_offset; - int slice_beta_offset; - - int redundant_pic_count; - int direct_spatial_mv_pred; int col_parity; int col_fieldoff; @@ -436,24 +392,10 @@ typedef struct H264Context{ unsigned int ref_count[2]; ///< counts frames or fields, depending on current mb mode unsigned int list_count; uint8_t *list_counts; ///< Array of list_count per MB specifying the slice type - Picture *short_ref[32]; - Picture *long_ref[32]; - Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs. Reordered version of default_ref_list according to picture reordering in slice header */ int ref2frm[MAX_SLICES][2][64]; ///< reference to frame number lists, used in the loop filter, the first 2 are for -2,-1 - Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size? - int outputed_poc; - - /** - * memory management control operations buffer. - */ - MMCO mmco[MAX_MMCO_COUNT]; - int mmco_index; - - int long_ref_count; ///< number of actual long term references - int short_ref_count; ///< number of actual short term references //data partitioning GetBitContext intra_gb; @@ -469,7 +411,6 @@ typedef struct H264Context{ */ CABACContext cabac; uint8_t cabac_state[460]; - int cabac_init_idc; /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */ uint16_t *cbp_table; @@ -499,6 +440,78 @@ typedef struct H264Context{ int x264_build; + int mb_xy; + + int is_complex; + + //deblock + int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0 + int slice_alpha_c0_offset; + int slice_beta_offset; + +//============================================================= + //Things below are not used in the MB or more inner code + + int nal_ref_idc; + int nal_unit_type; + uint8_t *rbsp_buffer[2]; + unsigned int rbsp_buffer_size[2]; + + /** + * Used to parse AVC variant of h264 + */ + int is_avc; ///< this flag is != 0 if codec is avc1 + int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4) + + SPS *sps_buffers[MAX_SPS_COUNT]; + PPS *pps_buffers[MAX_PPS_COUNT]; + + int dequant_coeff_pps; ///< reinit tables when pps changes + + uint16_t *slice_table_base; + + + //POC stuff + int poc_lsb; + int poc_msb; + int delta_poc_bottom; + int delta_poc[2]; + int frame_num; + int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0 + int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0 + int frame_num_offset; ///< for POC type 2 + int prev_frame_num_offset; ///< for POC type 2 + int prev_frame_num; ///< frame_num of the last pic for POC type 1/2 + + /** + * frame_num for frames or 2*frame_num+1 for field pics. + */ + int curr_pic_num; + + /** + * max_frame_num or 2*max_frame_num for field pics. + */ + int max_pic_num; + + int redundant_pic_count; + + Picture *short_ref[32]; + Picture *long_ref[32]; + Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture + Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size? + int outputed_poc; + + /** + * memory management control operations buffer. + */ + MMCO mmco[MAX_MMCO_COUNT]; + int mmco_index; + + int long_ref_count; ///< number of actual long term references + int short_ref_count; ///< number of actual short term references + + int cabac_init_idc; + /** * @defgroup multithreading Members for slice based multithreading * @{ @@ -527,8 +540,6 @@ typedef struct H264Context{ int last_slice_type; /** @} */ - int mb_xy; - /** * pic_struct in picture timing SEI message */ @@ -568,8 +579,6 @@ typedef struct H264Context{ */ int sei_recovery_frame_cnt; - int is_complex; - int luma_weight_flag[2]; ///< 7.4.3.2 luma_weight_lX_flag int chroma_weight_flag[2]; ///< 7.4.3.2 chroma_weight_lX_flag |