From aa1c590b29d30b11c2f4830e6bc08e8f936f557f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Tue, 20 Dec 2011 11:23:46 +0100
Subject: [PATCH] swr: fix assert failure Bug found by: Oana Stratulat GCI-id:
 7211207

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libswresample/swresample.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libswresample/swresample.c b/libswresample/swresample.c
index 0575f7deadf..f97a2c1b199 100644
--- a/libswresample/swresample.c
+++ b/libswresample/swresample.c
@@ -202,7 +202,12 @@ int swr_init(struct SwrContext *s){
     if(!s->out.ch_count)
         s->out.ch_count= av_get_channel_layout_nb_channels(s->out_ch_layout);
 
-av_assert0(s-> in.ch_count);
+    if(!s-> in.ch_count){
+        av_assert0(!s->in_ch_layout);
+        av_log(s, AV_LOG_ERROR, "Input channel count and layout are unset\n");
+        return -1;
+    }
+
 av_assert0(s->used_ch_count);
 av_assert0(s->out.ch_count);
     s->resample_first= RSC*s->out.ch_count/s->in.ch_count - RSC < s->out_sample_rate/(float)s-> in_sample_rate - 1.0;
-- 
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