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Set frame rate from extradata

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Originally committed as revision 7814 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2007-02-04 10:45:01 +00:00
parent 5773d46009
commit f0c31621c6
1 changed files with 9 additions and 3 deletions
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12
libavcodec/vc1.c
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@ -1320,10 +1320,16 @@ static int decode_sequence_header_adv(VC1Context *v, GetBitContext *gb)
if(get_bits1(gb)){ //framerate stuff
if(get_bits1(gb)) {
get_bits(gb, 16);
v->s.avctx->time_base.num = 32;
v->s.avctx->time_base.den = get_bits(gb, 16) + 1;
} else {
get_bits(gb, 8);
get_bits(gb, 4);
int nr, dr;
nr = get_bits(gb, 8);
dr = get_bits(gb, 4);
if(nr && nr < 8 && dr && dr < 3){
v->s.avctx->time_base.num = fps_dr[dr - 1];
v->s.avctx->time_base.den = fps_nr[nr - 1] * 1000;
}
}
}