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Remove common factors from timebase in av_set_pts_info().

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Should fix issue313

Originally committed as revision 14232 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2008-07-14 19:11:09 +00:00
parent 54347c2f51
commit 283c061936
1 changed files with 6 additions and 2 deletions
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8
libavformat/utils.c
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@@ -3152,9 +3152,13 @@ void url_split(char *proto, int proto_size,
void av_set_pts_info(AVStream *s, int pts_wrap_bits, void av_set_pts_info(AVStream *s, int pts_wrap_bits,
int pts_num, int pts_den) int pts_num, int pts_den)
{ {
unsigned int gcd= ff_gcd(pts_num, pts_den);
s->pts_wrap_bits = pts_wrap_bits; s->pts_wrap_bits = pts_wrap_bits;
s->time_base.num = pts_num; s->time_base.num = pts_num/gcd;
s->time_base.den = pts_den; s->time_base.den = pts_den/gcd;
if(gcd>1)
av_log(NULL, AV_LOG_DEBUG, "st:%d removing common factor %d from timebase\n", s->index, gcd);
} }
/* fraction handling */ /* fraction handling */