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authorMichael Niedermayer <michaelni@gmx.at>2012-10-15 20:35:01 +0200
committerMichael Niedermayer <michaelni@gmx.at>2012-10-15 20:35:45 +0200
commit547ec4d3034d81f6d1a0e84bf58168d35f50baab (patch)
treeac5de33093730f555797f769cea3528315f5b742 /ffmpeg_filter.c
parentaf32a1f2d1b81922026488ea5c7bb3ed41779aa2 (diff)
downloadffmpeg-547ec4d3034d81f6d1a0e84bf58168d35f50baab.tar.gz
ffmpeg: check timebase validity before using it.
Found-by: Daemon404 Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'ffmpeg_filter.c')
-rw-r--r--ffmpeg_filter.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ffmpeg_filter.c b/ffmpeg_filter.c
index d0f25d82ad..0a3b2cd78b 100644
--- a/ffmpeg_filter.c
+++ b/ffmpeg_filter.c
@@ -561,7 +561,7 @@ static int configure_input_video_filter(FilterGraph *fg, InputFilter *ifilter,
if (!ist->framerate.num) {
AVRational codec_fr = av_inv_q(ist->st->codec->time_base);
codec_fr.den *= ist->st->codec->ticks_per_frame;
- if(av_q2d(codec_fr) < av_q2d(fr)*0.7)
+ if(codec_fr.num>0 && codec_fr.den>0 && av_q2d(codec_fr) < av_q2d(fr)*0.7)
fr = codec_fr;
}