From f2962ac8ad353c12d81bc515a01427f0912b4a69 Mon Sep 17 00:00:00 2001
From: Carl Eugen Hoyos <cehoyos@ag.or.at>
Date: Tue, 17 May 2011 01:56:01 +0200
Subject: Write channel_layout for multichannel aif files.

---
 libavformat/aiffenc.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'libavformat/aiffenc.c')

diff --git a/libavformat/aiffenc.c b/libavformat/aiffenc.c
index cc3cbc4762..34ab0cc246 100644
--- a/libavformat/aiffenc.c
+++ b/libavformat/aiffenc.c
@@ -22,6 +22,7 @@
 #include "avformat.h"
 #include "aiff.h"
 #include "avio_internal.h"
+#include "isom.h"
 
 typedef struct {
     int64_t form;
@@ -61,6 +62,12 @@ static int aiff_write_header(AVFormatContext *s)
         avio_wb32(pb, 0xA2805140);
     }
 
+    if (enc->channels > 2 && enc->channel_layout) {
+        ffio_wfourcc(pb, "CHAN");
+        avio_wb32(pb, 12);
+        ff_mov_write_chan(pb, enc->channel_layout);
+    }
+
     /* Common chunk */
     ffio_wfourcc(pb, "COMM");
     avio_wb32(pb, aifc ? 24 : 18); /* size */
-- 
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