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vqf: Make sure the bitrate is in the valid range

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Even if the sample rate is valid, an invalid bitrate could
pass the mode combination test below.

CC: libav-stable@libav.org
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2013-09-28 23:19:10 +03:00
parent 9277050e29
commit 68ff998128
1 changed files with 7 additions and 0 deletions
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7
libavformat/vqf.c
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@ -182,6 +182,13 @@ static int vqf_read_header(AVFormatContext *s)
break; break;
} }
if (read_bitrate / st->codec->channels < 8 ||
read_bitrate / st->codec->channels > 48) {
av_log(s, AV_LOG_ERROR, "Invalid bitrate per channel %d\n",
read_bitrate / st->codec->channels);
return AVERROR_INVALIDDATA;
}
switch (((st->codec->sample_rate/1000) << 8) + switch (((st->codec->sample_rate/1000) << 8) +
read_bitrate/st->codec->channels) { read_bitrate/st->codec->channels) {
case (11<<8) + 8 : case (11<<8) + 8 :