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lavc/h264_sei: reduce scope of parameters for green meta decode

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This is again will help the merge as ff_h264_decode_sei will not have
access to H264Context anymore.
This commit is contained in:
Clément Bœsch 2016-06-13 22:54:23 +02:00
parent fef89aae98
commit b0ec36c9b1
1 changed files with 16 additions and 16 deletions
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32
libavcodec/h264_sei.c
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@ -363,28 +363,28 @@ static int decode_display_orientation(H264Context *h)
return 0;
}
static int decode_GreenMetadata(H264Context *h)
static int decode_GreenMetadata(GreenMetaData *h, GetBitContext *gb)
{
h->sei_green_metadata.green_metadata_type=get_bits(&h->gb, 8);
h->green_metadata_type=get_bits(gb, 8);
if (h->sei_green_metadata.green_metadata_type==0){
h->sei_green_metadata.period_type=get_bits(&h->gb, 8);
if (h->green_metadata_type==0){
h->period_type=get_bits(gb, 8);
if (h->sei_green_metadata.period_type==2){
h->sei_green_metadata.num_seconds = get_bits(&h->gb, 16);
if (h->period_type==2){
h->num_seconds = get_bits(gb, 16);
}
else if (h->sei_green_metadata.period_type==3){
h->sei_green_metadata.num_pictures = get_bits(&h->gb, 16);
else if (h->period_type==3){
h->num_pictures = get_bits(gb, 16);
}
h->sei_green_metadata.percent_non_zero_macroblocks=get_bits(&h->gb, 8);
h->sei_green_metadata.percent_intra_coded_macroblocks=get_bits(&h->gb, 8);
h->sei_green_metadata.percent_six_tap_filtering=get_bits(&h->gb, 8);
h->sei_green_metadata.percent_alpha_point_deblocking_instance=get_bits(&h->gb, 8);
h->percent_non_zero_macroblocks=get_bits(gb, 8);
h->percent_intra_coded_macroblocks=get_bits(gb, 8);
h->percent_six_tap_filtering=get_bits(gb, 8);
h->percent_alpha_point_deblocking_instance=get_bits(gb, 8);
}else if( h->sei_green_metadata.green_metadata_type==1){
h->sei_green_metadata.xsd_metric_type=get_bits(&h->gb, 8);
h->sei_green_metadata.xsd_metric_value=get_bits(&h->gb, 16);
}else if( h->green_metadata_type==1){
h->xsd_metric_type=get_bits(gb, 8);
h->xsd_metric_value=get_bits(gb, 16);
}
return 0;
@ -443,7 +443,7 @@ int ff_h264_decode_sei(H264Context *h)
ret = decode_display_orientation(h);
break;
case SEI_TYPE_GREEN_METADATA:
ret = decode_GreenMetadata(h);
ret = decode_GreenMetadata(&h->sei_green_metadata, &h->gb);
break;
default:
av_log(h->avctx, AV_LOG_DEBUG, "unknown SEI type %d\n", type);