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atrac3: Error on impossible encoding/channel combinations 

Joint stereo encoded mono is impossible.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
This commit is contained in:
Luca Barbato 2013-07-09 04:44:26 +02:00
parent 22e76ec635
commit 50cf5a7fb7
1 changed files with 4 additions and 2 deletions
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6
libavcodec/atrac3.c
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@ -941,9 +941,11 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
if (q->coding_mode == STEREO)
av_log(avctx, AV_LOG_DEBUG, "Normal stereo detected.\n");
else if (q->coding_mode == JOINT_STEREO)
else if (q->coding_mode == JOINT_STEREO) {
if (avctx->channels != 2)
return AVERROR_INVALIDDATA;
av_log(avctx, AV_LOG_DEBUG, "Joint stereo detected.\n");
else {
} else {
av_log(avctx, AV_LOG_ERROR, "Unknown channel coding mode %x!\n",
q->coding_mode);
return AVERROR_INVALIDDATA;