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vqf: Make sure sample_rate is set to a valid value

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This avoids divisions by zero later (and possibly assertions in
time base scaling), since an invalid rate_flag combined with an
invalid bitrate below could pass the mode combination test.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-09-28 00:34:35 +03:00
parent 0767bfd199
commit 9277050e29
1 changed files with 4 additions and 0 deletions
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4
libavformat/vqf.c
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@ -174,6 +174,10 @@ static int vqf_read_header(AVFormatContext *s)
st->codec->sample_rate = 11025;
break;
default:
if (rate_flag < 8 || rate_flag > 44) {
av_log(s, AV_LOG_ERROR, "Invalid rate flag %d\n", rate_flag);
return AVERROR_INVALIDDATA;
}
st->codec->sample_rate = rate_flag*1000;
break;
}