From 39f0e9b8c6f7d99cbf0a3c1784eb6f20bf88ac3a Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Sat, 7 Apr 2012 11:25:52 -0400
Subject: [PATCH] apc: set channel layout

---
 libavformat/apc.c | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/libavformat/apc.c b/libavformat/apc.c
index 7ae2423cf8..0b6c5836c1 100644
--- a/libavformat/apc.c
+++ b/libavformat/apc.c
@@ -20,6 +20,8 @@
  */
 
 #include <string.h>
+
+#include "libavutil/channel_layout.h"
 #include "avformat.h"
 
 static int apc_probe(AVProbeData *p)
@@ -58,9 +60,13 @@ static int apc_read_header(AVFormatContext *s)
     /* initial predictor values for adpcm decoder */
     avio_read(pb, st->codec->extradata, 2 * 4);
 
-    st->codec->channels = 1;
-    if (avio_rl32(pb))
-        st->codec->channels = 2;
+    if (avio_rl32(pb)) {
+        st->codec->channels       = 2;
+        st->codec->channel_layout = AV_CH_LAYOUT_STEREO;
+    } else {
+        st->codec->channels       = 1;
+        st->codec->channel_layout = AV_CH_LAYOUT_MONO;
+    }
 
     st->codec->bits_per_coded_sample = 4;
     st->codec->bit_rate = st->codec->bits_per_coded_sample * st->codec->channels