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oggparsespeex: validate sample_rate

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A negative sample rate doesn't make sense and triggers assertions in
av_rescale_rnd.

Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
This commit is contained in:
Andreas Cadhalpun
2016-10-23 17:12:49 +02:00
parent f748e3b5a2
commit eb205eda3f
1 changed files with 4 additions and 0 deletions
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4
libavformat/oggparsespeex.c
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@@ -68,6 +68,10 @@ static int speex_header(AVFormatContext *s, int idx) {
} }
st->codecpar->sample_rate = AV_RL32(p + 36); st->codecpar->sample_rate = AV_RL32(p + 36);
if (st->codecpar->sample_rate <= 0) {
av_log(s, AV_LOG_ERROR, "Invalid sample rate %d\n", st->codecpar->sample_rate);
return AVERROR_INVALIDDATA;
}
st->codecpar->channels = AV_RL32(p + 48); st->codecpar->channels = AV_RL32(p + 48);
if (st->codecpar->channels < 1 || st->codecpar->channels > 2) { if (st->codecpar->channels < 1 || st->codecpar->channels > 2) {
av_log(s, AV_LOG_ERROR, "invalid channel count. Speex must be mono or stereo.\n"); av_log(s, AV_LOG_ERROR, "invalid channel count. Speex must be mono or stereo.\n");