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atrac1: validate number of channels

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(cherry picked from commit bff5b2c1ca1290ea30587ff2f76171f9e3854872)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Justin Ruggles 2011-10-14 00:24:50 -04:00 committed by Michael Niedermayer
parent 346e089d25
commit f98bb0d3ec
1 changed files with 5 additions and 0 deletions
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5
libavcodec/atrac1.c
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@ -336,6 +336,11 @@ static av_cold int atrac1_decode_init(AVCodecContext *avctx)
avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
if (avctx->channels < 1 || avctx->channels > AT1_MAX_CHANNELS) {
av_log(avctx, AV_LOG_ERROR, "Unsupported number of channels: %d\n",
avctx->channels);
return AVERROR(EINVAL);
}
q->channels = avctx->channels;
/* Init the mdct transforms */