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Code Issues Releases Activity

Make sure av_set_pts_info() does not set the fields of a timebase to

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negative values.

Originally committed as revision 19325 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2009-07-01 20:52:48 +00:00
parent 6be8b20466
commit d218a86a0d
1 changed files with 5 additions and 5 deletions
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10
libavformat/utils.c
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@ -3306,11 +3306,11 @@ char *ff_data_to_hex(char *buff, const uint8_t *src, int s)
void av_set_pts_info(AVStream *s, int pts_wrap_bits,
unsigned int pts_num, unsigned int pts_den)
{
unsigned int gcd= av_gcd(pts_num, pts_den);
s->pts_wrap_bits = pts_wrap_bits;
s->time_base.num = pts_num/gcd;
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);
if(av_reduce(&s->time_base.num, &s->time_base.den, pts_num, pts_den, INT_MAX)){
if(s->time_base.num != pts_num)
av_log(NULL, AV_LOG_DEBUG, "st:%d removing common factor %d from timebase\n", s->index, pts_num/s->time_base.num);
}else
av_log(NULL, AV_LOG_WARNING, "st:%d has too large timebase, reducing\n", s->index);
}