From e10976eb774f42ff806caabae78ec4a3f86195ca Mon Sep 17 00:00:00 2001
From: Kieran Kunhya <kieran@kunhya.com>
Date: Sat, 5 Feb 2011 17:59:48 +0000
Subject: [PATCH] Set channel_layout for mpegaudio

Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit f4a86bc981d6743778dd1037fea243d36229ede1)
---
 libavcodec/mpegaudiodec.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/mpegaudiodec.c b/libavcodec/mpegaudiodec.c
index 7b296c4507..aa31e46aca 100644
--- a/libavcodec/mpegaudiodec.c
+++ b/libavcodec/mpegaudiodec.c
@@ -2054,6 +2054,7 @@ static int decode_frame(AVCodecContext * avctx,
     }
     /* update codec info */
     avctx->channels = s->nb_channels;
+    avctx->channel_layout = s->nb_channels == 1 ? AV_CH_LAYOUT_MONO : AV_CH_LAYOUT_STEREO;
     if (!avctx->bit_rate)
         avctx->bit_rate = s->bit_rate;
     avctx->sub_id = s->layer;