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nuv: sanitize negative fps rate 

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun 2015-12-16 20:52:39 +01:00
parent 699e68371e
commit f6830cf5ba
1 changed files with 9 additions and 0 deletions
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9
libavformat/nuv.c
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@ -172,6 +172,15 @@ static int nuv_header(AVFormatContext *s)
if (aspect > 0.9999 && aspect < 1.0001)
aspect = 4.0 / 3.0;
fps = av_int2double(avio_rl64(pb));
if (fps < 0.0f) {
if (s->error_recognition & AV_EF_EXPLODE) {
av_log(s, AV_LOG_ERROR, "Invalid frame rate %f\n", fps);
return AVERROR_INVALIDDATA;
} else {
av_log(s, AV_LOG_WARNING, "Invalid frame rate %f, setting to 0.\n", fps);
fps = 0.0f;
}
}
// number of packets per stream type, -1 means unknown, e.g. streaming
v_packs = avio_rl32(pb);