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lavf: don't guess r_frame_rate from either stream or codec timebase.

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Neither of those is guaranteed to be connected to framerate in any way
(if it even exists).

Fixes bug 56.
This commit is contained in:
Anton Khirnov 2011-11-28 21:57:06 +01:00
parent 13f6917ca9
commit 7929e22bde
2 changed files with 1 additions and 12 deletions
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11
libavformat/utils.c
View File

@ -2390,17 +2390,6 @@ int avformat_find_stream_info(AVFormatContext *ic, AVDictionary **options)
if (num && (!st->r_frame_rate.num || (double)num/(12*1001) < 1.01 * av_q2d(st->r_frame_rate)))
av_reduce(&st->r_frame_rate.num, &st->r_frame_rate.den, num, 12*1001, INT_MAX);
}
if (!st->r_frame_rate.num){
if( st->codec->time_base.den * (int64_t)st->time_base.num
<= st->codec->time_base.num * st->codec->ticks_per_frame * (int64_t)st->time_base.den){
st->r_frame_rate.num = st->codec->time_base.den;
st->r_frame_rate.den = st->codec->time_base.num * st->codec->ticks_per_frame;
}else{
st->r_frame_rate.num = st->time_base.den;
st->r_frame_rate.den = st->time_base.num;
}
}
}else if(st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
if(!st->codec->bits_per_coded_sample)
st->codec->bits_per_coded_sample= av_get_bits_per_sample(st->codec->codec_id);

2
tests/ref/fate/vc1-ism
View File

@ -118,4 +118,4 @@
0, 48750000, 48750000, 0, 37440, 0xf0fe8c1c
0, 49170000, 49170000, 0, 37440, 0xc0036222
0, 49590000, 49590000, 0, 37440, 0x3058385c
0, 50006672, 50006672, 0, 37440, 0x68141016
0, 49798332, 49798332, 0, 37440, 0x68141016