From: Jai Menon <jmenon86@gmail.com>
Date: Fri, 22 Aug 2008 14:57:35 +0000 (+0000)
Subject: alacenc : perform decorrelation only for stereo samples
X-Git-Tag: v0.5~2993
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ec6cda8c6eb644d70ba8f9f931d8d4c5513d449d;p=platform%2Fupstream%2Flibav.git

alacenc : perform decorrelation only for stereo samples

Originally committed as revision 14904 to svn://svn.ffmpeg.org/ffmpeg/trunk
---

diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index 85adb40..afa1ac6 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);