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100l (SAR is written as height/width instead of width/height in the MPEG1 standard)

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Originally committed as revision 2453 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2003-10-30 19:55:44 +00:00
parent 5f1948111a
commit f259747bc7
1 changed files with 2 additions and 2 deletions
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4
libavcodec/mpeg12.c
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@ -223,7 +223,7 @@ static void mpeg1_encode_sequence_header(MpegEncContext *s)
for(i=1; i<15; i++){
float error= aspect_ratio;
if(s->codec_id == CODEC_ID_MPEG1VIDEO || i <=1)
error-= mpeg1_aspect[i];
error-= 1.0/mpeg1_aspect[i];
else
error-= av_q2d(mpeg2_aspect[i])*s->height/s->width;
@ -2278,7 +2278,7 @@ static int mpeg1_decode_sequence(AVCodecContext *avctx,
height = get_bits(&s->gb, 12);
s->aspect_ratio_info= get_bits(&s->gb, 4);
if(s->codec_id == CODEC_ID_MPEG1VIDEO){
aspect= mpeg1_aspect[s->aspect_ratio_info];
aspect= 1.0/mpeg1_aspect[s->aspect_ratio_info];
if(aspect!=0.0) avctx->sample_aspect_ratio= av_d2q(aspect, 255);
}