From 62cf52c8602efe8cf8c4713a8f44d5f76a908bb8 Mon Sep 17 00:00:00 2001
From: Justin Ruggles <justin.ruggles@gmail.com>
Date: Wed, 12 Oct 2011 23:23:18 -0400
Subject: [PATCH] truespeech: check to make sure channels == 1 (cherry picked
 from commit 3e7a176759e8a8e66d65c779b47b5bba793dfd4e)

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/truespeech.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/truespeech.c b/libavcodec/truespeech.c
index d903a0119e..b5f74662ba 100644
--- a/libavcodec/truespeech.c
+++ b/libavcodec/truespeech.c
@@ -56,6 +56,11 @@ static av_cold int truespeech_decode_init(AVCodecContext * avctx)
 {
 //    TSContext *c = avctx->priv_data;
 
+    if (avctx->channels != 1) {
+        av_log_ask_for_sample(avctx, "Unsupported channel count: %d\n", avctx->channels);
+        return AVERROR(EINVAL);
+    }
+
     avctx->sample_fmt = AV_SAMPLE_FMT_S16;
     return 0;
 }