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atrac3: Error on impossible encoding/channel combinations

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Joint stereo encoded mono is impossible.

Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
CC: libav-stable@libav.org
(cherry picked from commit 50cf5a7fb7)

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>

Conflicts:
	libavcodec/atrac3.c
This commit is contained in:
Luca Barbato
2013-07-09 04:44:26 +02:00
committed by Michael Niedermayer
parent cb198f945f
commit 93c524c0f0
1 changed files with 2 additions and 0 deletions
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2
libavcodec/atrac3.c
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@@ -976,6 +976,8 @@ static av_cold int atrac3_decode_init(AVCodecContext *avctx)
if (q->codingMode == STEREO) {
av_log(avctx,AV_LOG_DEBUG,"Normal stereo detected.\n");
} else if (q->codingMode == JOINT_STEREO) {
if (avctx->channels != 2)
return AVERROR_INVALIDDATA;
av_log(avctx,AV_LOG_DEBUG,"Joint stereo detected.\n");
} else {
av_log(avctx,AV_LOG_ERROR,"Unknown channel coding mode %x!\n",q->codingMode);