From 09770af869dad68cff635256e7ff2e2596552efa Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Wed, 10 Sep 2003 08:20:14 +0000
Subject: detect avcodec_open() on an already opened AVCodecContext

Originally committed as revision 2251 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavcodec/utils.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libavcodec')

diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index f441ca2..050f26e 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -305,6 +305,9 @@ int avcodec_open(AVCodecContext *avctx, AVCodec *codec)
 {
     int ret;
 
+    if(avctx->codec)
+        return -1;
+
     avctx->codec = codec;
     avctx->codec_id = codec->id;
     avctx->frame_number = 0;
-- 
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