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Code Issues Releases Activity

set average frame rate in mov demuxer

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Originally committed as revision 21310 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2010-01-18 23:56:04 +00:00
parent 7231ccf4d5
commit c3aeaa540d
2 changed files with 7 additions and 3 deletions
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8
libavformat/mov.c
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@ -1652,14 +1652,18 @@ static int mov_read_trak(MOVContext *c, ByteIOContext *pb, MOVAtom atom)
} else
sc->pb = c->fc->pb;
if (st->codec->codec_type == CODEC_TYPE_VIDEO &&
(st->codec->width != sc->width || st->codec->height != sc->height)) {
if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
if (st->codec->width != sc->width || st->codec->height != sc->height) {
AVRational r = av_d2q(((double)st->codec->height * sc->width) /
((double)st->codec->width * sc->height), INT_MAX);
if (st->sample_aspect_ratio.num)
st->sample_aspect_ratio = av_mul_q(st->sample_aspect_ratio, r);
else
st->sample_aspect_ratio = r;
}
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
sc->time_scale*st->nb_frames, st->duration, INT_MAX);
}
switch (st->codec->codec_id) {

2
libavformat/utils.c
View File

@ -2218,7 +2218,7 @@ int av_find_stream_info(AVFormatContext *ic)
}
for(i=0;i<ic->nb_streams;i++) {
st = ic->streams[i];
if(codec_info_nb_frames[i]>2)
if(codec_info_nb_frames[i]>2 && !st->avg_frame_rate.num)
av_reduce(&st->avg_frame_rate.num, &st->avg_frame_rate.den,
(codec_info_nb_frames[i]-2)*(int64_t)st->time_base.den,
codec_info_duration[i] *(int64_t)st->time_base.num, 60000);