From caaeefc5917fb625375c46ad2c03c992c234569f Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Thu, 7 Oct 2004 21:11:08 +0000
Subject: [PATCH] prevent multiple av_register_all()

Originally committed as revision 3570 to svn://svn.ffmpeg.org/ffmpeg/trunk
---
 libavformat/allformats.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavformat/allformats.c b/libavformat/allformats.c
index 30a63fa62c..c2a50221a8 100644
--- a/libavformat/allformats.c
+++ b/libavformat/allformats.c
@@ -26,6 +26,12 @@
  */
 void av_register_all(void)
 {
+    static int inited = 0;
+    
+    if (inited != 0)
+        return;
+    inited = 1;
+
     avcodec_init();
     avcodec_register_all();