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-rw-r--r--libavcodec/alacenc.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index 85adb40a7a..afa1ac68e0 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -330,7 +330,8 @@ static void write_compressed_frame(AlacEncodeContext *s)
int i, j;
/* only simple mid/side decorrelation supported as of now */
- alac_stereo_decorrelation(s);
+ if(s->avctx->channels == 2)
+ alac_stereo_decorrelation(s);
put_bits(&s->pbctx, 8, s->interlacing_shift);
put_bits(&s->pbctx, 8, s->interlacing_leftweight);