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Add fields to H264Context and SPS for upcoming VA API support.
Patch by Gwenole Beauchesne gbeauchesne A splitted-desktop dotcom Originally committed as revision 16976 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -2996,6 +2996,8 @@ static int pred_weight_table(H264Context *h){
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chroma_def = 1<<h->chroma_log2_weight_denom;
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for(list=0; list<2; list++){
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h->luma_weight_flag[list] = 0;
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h->chroma_weight_flag[list] = 0;
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for(i=0; i<h->ref_count[list]; i++){
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int luma_weight_flag, chroma_weight_flag;
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@ -3004,8 +3006,10 @@ static int pred_weight_table(H264Context *h){
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h->luma_weight[list][i]= get_se_golomb(&s->gb);
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h->luma_offset[list][i]= get_se_golomb(&s->gb);
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if( h->luma_weight[list][i] != luma_def
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|| h->luma_offset[list][i] != 0)
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|| h->luma_offset[list][i] != 0) {
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h->use_weight= 1;
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h->luma_weight_flag[list]= 1;
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}
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}else{
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h->luma_weight[list][i]= luma_def;
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h->luma_offset[list][i]= 0;
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@ -3019,8 +3023,10 @@ static int pred_weight_table(H264Context *h){
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h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
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h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
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if( h->chroma_weight[list][i][j] != chroma_def
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|| h->chroma_offset[list][i][j] != 0)
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|| h->chroma_offset[list][i][j] != 0) {
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h->use_weight_chroma= 1;
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h->chroma_weight_flag[list]= 1;
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}
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}
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}else{
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int j;
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@ -3039,7 +3045,7 @@ static int pred_weight_table(H264Context *h){
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static void implicit_weight_table(H264Context *h){
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MpegEncContext * const s = &h->s;
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int ref0, ref1;
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int ref0, ref1, i;
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int cur_poc = s->current_picture_ptr->poc;
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if( h->ref_count[0] == 1 && h->ref_count[1] == 1
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@ -3053,6 +3059,10 @@ static void implicit_weight_table(H264Context *h){
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h->use_weight_chroma= 2;
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h->luma_log2_weight_denom= 5;
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h->chroma_log2_weight_denom= 5;
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for (i = 0; i < 2; i++) {
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h->luma_weight_flag[i] = 0;
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h->chroma_weight_flag[i] = 0;
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}
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for(ref0=0; ref0 < h->ref_count[0]; ref0++){
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int poc0 = h->ref_list[0][ref0].poc;
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@ -3938,8 +3948,13 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
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pred_weight_table(h);
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else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE)
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implicit_weight_table(h);
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else
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else {
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h->use_weight = 0;
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for (i = 0; i < 2; i++) {
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h->luma_weight_flag[i] = 0;
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h->chroma_weight_flag[i] = 0;
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}
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}
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if(h->nal_ref_idc)
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decode_ref_pic_marking(h0, &s->gb);
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@ -7055,9 +7070,9 @@ static inline int decode_seq_parameter_set(H264Context *h){
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if(sps->profile_idc >= 100){ //high profile
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sps->chroma_format_idc= get_ue_golomb_31(&s->gb);
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if(sps->chroma_format_idc == 3)
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get_bits1(&s->gb); //residual_color_transform_flag
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get_ue_golomb(&s->gb); //bit_depth_luma_minus8
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get_ue_golomb(&s->gb); //bit_depth_chroma_minus8
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sps->residual_color_transform_flag = get_bits1(&s->gb);
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sps->bit_depth_luma = get_ue_golomb(&s->gb) + 8;
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sps->bit_depth_chroma = get_ue_golomb(&s->gb) + 8;
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sps->transform_bypass = get_bits1(&s->gb);
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decode_scaling_matrices(h, sps, NULL, 1, sps->scaling_matrix4, sps->scaling_matrix8);
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}else{
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@ -176,6 +176,9 @@ typedef struct SPS{
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int time_offset_length;
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int cpb_removal_delay_length; ///< cpb_removal_delay_length_minus1 + 1
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int dpb_output_delay_length; ///< dpb_output_delay_length_minus1 + 1
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int bit_depth_luma; ///< bit_depth_luma_minus8 + 8
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int bit_depth_chroma; ///< bit_depth_chroma_minus8 + 8
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int residual_color_transform_flag; ///< residual_colour_transform_flag
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}SPS;
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/**
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@ -493,6 +496,9 @@ typedef struct H264Context{
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SEI_PicStructType sei_pic_struct;
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int is_complex;
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int luma_weight_flag[2]; ///< 7.4.3.2 luma_weight_lX_flag
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int chroma_weight_flag[2]; ///< 7.4.3.2 chroma_weight_lX_flag
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}H264Context;
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#endif /* AVCODEC_H264_H */
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