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lavc: add a sample_aspect_ratio field to AVFrame

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The sample aspect ratio is a per-frame property, so it makes sense to
define it in AVFrame rather than in the codec/stream context.
Simplify application-level sample aspect ratio information extraction,
and allow further simplifications.
This commit is contained in:
Stefano Sabatini 2011-04-29 13:04:47 +02:00 • committed by Anton Khirnov
parent 671005558a
commit b58dbb5b03
6 changed files with 14 additions and 3 deletions
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2
libavcodec/utils.c
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@ -584,6 +584,7 @@ void avcodec_get_frame_defaults(AVFrame *pic){
pic->pts= AV_NOPTS_VALUE;
pic->key_frame= 1;
pic->sample_aspect_ratio = (AVRational){0, 1};
}
AVFrame *avcodec_alloc_frame(void){
@ -858,6 +859,7 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
avpkt);
picture->pkt_dts= avpkt->dts;
picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
}
emms_c(); //needed to avoid an emms_c() call before every return;