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avformat/utils: never decrease has_b_frames in compute_pkt_fields() 

The intent of the original check was to increase has_b_frames when
it was incorrectly set to 0. Later codecs allowed larger values

Found-by: divVerent
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-11-03 21:26:40 +01:00
parent 074155360d
commit 8b73a3f6f6
1 changed files with 2 additions and 1 deletions
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3
libavformat/utils.c
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@ -1039,7 +1039,8 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
if((s->flags & AVFMT_FLAG_IGNDTS) && pkt->pts != AV_NOPTS_VALUE)
pkt->dts= AV_NOPTS_VALUE;
if (st->codec->codec_id != AV_CODEC_ID_H264 && pc && pc->pict_type == AV_PICTURE_TYPE_B)
if (pc && pc->pict_type == AV_PICTURE_TYPE_B
&& !st->codec->has_b_frames)
//FIXME Set low_delay = 0 when has_b_frames = 1
st->codec->has_b_frames = 1;