From 03381c12b3a45200918dea877e970c5705f7cf5a Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Thu, 27 Oct 2011 13:33:57 -0400
Subject: [PATCH] cin audio: validate the channel count

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

diff --git a/libavcodec/dsicinav.c b/libavcodec/dsicinav.c
index 953d232d9b..832efab056 100644
--- a/libavcodec/dsicinav.c
+++ b/libavcodec/dsicinav.c
@@ -307,6 +307,11 @@ static av_cold int cinaudio_decode_init(AVCodecContext *avctx)
 {
     CinAudioContext *cin = avctx->priv_data;
 
+    if (avctx->channels != 1) {
+        av_log_ask_for_sample(avctx, "Number of channels is not supported\n");
+        return AVERROR_PATCHWELCOME;
+    }
+
     cin->initial_decode_frame = 1;
     cin->delta = 0;
     avctx->sample_fmt = AV_SAMPLE_FMT_S16;