diff --git a/libavcodec/h264.c b/libavcodec/h264.c index f9bca7dfc8..baecf2de30 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -82,6 +82,10 @@ typedef struct SPS{ int crop_bottom; ///< frame_cropping_rect_bottom_offset int vui_parameters_present_flag; AVRational sar; + int timing_info_present_flag; + uint32_t num_units_in_tick; + uint32_t time_scale; + int fixed_frame_rate_flag; short offset_for_ref_frame[256]; //FIXME dyn aloc? }SPS; @@ -3042,6 +3046,11 @@ static int decode_slice_header(H264Context *h){ s->avctx->width = s->width; s->avctx->height = s->height; s->avctx->sample_aspect_ratio= h->sps.sar; + + if(h->sps.timing_info_present_flag && h->sps.fixed_frame_rate_flag){ + s->avctx->frame_rate = h->sps.time_scale; + s->avctx->frame_rate_base = h->sps.num_units_in_tick; + } } if(first_mb_in_slice == 0){ @@ -5302,6 +5311,33 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){ sps->sar.den= 0; } // s->avctx->aspect_ratio= sar_width*s->width / (float)(s->height*sar_height); + + if(get_bits1(&s->gb)){ /* overscan_info_present_flag */ + get_bits1(&s->gb); /* overscan_appropriate_flag */ + } + + if(get_bits1(&s->gb)){ /* video_signal_type_present_flag */ + get_bits(&s->gb, 3); /* video_format */ + get_bits1(&s->gb); /* video_full_range_flag */ + if(get_bits1(&s->gb)){ /* colour_description_present_flag */ + get_bits(&s->gb, 8); /* colour_primaries */ + get_bits(&s->gb, 8); /* transfer_characteristics */ + get_bits(&s->gb, 8); /* matrix_coefficients */ + } + } + + if(get_bits1(&s->gb)){ /* chroma_location_info_present_flag */ + get_ue_golomb(&s->gb); /* chroma_sample_location_type_top_field */ + get_ue_golomb(&s->gb); /* chroma_sample_location_type_bottom_field */ + } + + sps->timing_info_present_flag = get_bits1(&s->gb); + if(sps->timing_info_present_flag){ + sps->num_units_in_tick = get_bits_long(&s->gb, 32); + sps->time_scale = get_bits_long(&s->gb, 32); + sps->fixed_frame_rate_flag = get_bits1(&s->gb); + } + #if 0 | overscan_info_present_flag |0 |u(1) | | if( overscan_info_present_flag ) | | |