From 007f773942e5c8f39e9ad880d8e7e71f8f3bf7d2 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Sat, 21 May 2011 01:11:42 +0200
Subject: Encoding alac with more than two channels is not supported.

---
 libavcodec/alacenc.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'libavcodec/alacenc.c')

diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index c3a1fdfa03..bb618e16f2 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -389,6 +389,11 @@ static av_cold int alac_encode_init(AVCodecContext *avctx)
         return -1;
     }
 
+    if(avctx->channels > 2) {
+        av_log(avctx, AV_LOG_ERROR, "channels > 2 not supported\n");
+        return AVERROR_PATCHWELCOME;
+    }
+
     // Set default compression level
     if(avctx->compression_level == FF_COMPRESSION_DEFAULT)
         s->compression_level = 2;
-- 
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