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Improve frame rate guessing for streams with two fields per frame.

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Patch by Ivan Schreter, schreter gmx net

Originally committed as revision 17656 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Ivan Schreter 2009-02-28 13:14:46 +00:00 committed by Carl Eugen Hoyos
parent da2911d5e8
commit 5fa61b26f7
1 changed files with 5 additions and 0 deletions
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5
libavformat/utils.c
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@ -2115,6 +2115,11 @@ int av_find_stream_info(AVFormatContext *ic)
int64_t last= last_dts[index];
int64_t duration= pkt->dts - last;
if (st->codec->ticks_per_frame == 2 &&
st->parser &&
st->parser->repeat_pict == 0)
duration *= 2; // two fields are needed per frame
if(pkt->dts != AV_NOPTS_VALUE && last != AV_NOPTS_VALUE && duration>0){
double dur= duration * av_q2d(st->time_base);