From 97599f8c6d078868be30c18516899325d3c053c2 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Mon, 24 Sep 2012 22:52:36 +0200
Subject: swr: make sure the last data element is NULL so we can use it to
 detect the number of channels

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libswresample/audioconvert.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'libswresample/audioconvert.c')

diff --git a/libswresample/audioconvert.c b/libswresample/audioconvert.c
index 2e5bd72234..d2e3722a40 100644
--- a/libswresample/audioconvert.c
+++ b/libswresample/audioconvert.c
@@ -179,6 +179,7 @@ int swri_audio_convert(AudioConvert *ctx, AudioData *out, AudioData *in, int len
         off = len&~15;
         av_assert1(off>=0);
         av_assert1(off<=len);
+        av_assert2(ctx->channels == SWR_CH_MAX || !in->ch[ctx->channels]);
         if(off>0){
             if(out->planar == in->planar){
                 int planes = out->planar ? out->ch_count : 1;
-- 
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