prevent a panic when destroying a channel with no incoming video.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@95672 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/vcodecs.c b/channels/vcodecs.c
index 6eccd63f1f57ad0ebd0f761b5ea11bed8d5707c5..ae37709200134a847a692133dc55eec813de6f53 100644 (file)
--- a/channels/vcodecs.c
+++ b/channels/vcodecs.c
@@ -1,7 +1,7 @@
 /*
  * Asterisk -- An open source telephony toolkit.
  *
- * Copyright 2007, Sergio Fadda, Luigi Rizzo
+ * Copyright 2007-2008, Sergio Fadda, Luigi Rizzo
  *
  * See http://www.asterisk.org for more information about
  * the Asterisk project. Please do not directly contact
@@ -1168,6 +1168,8 @@ static struct video_dec_desc *dec_uninit(struct video_dec_desc *v)
 {
        int i;
 
+       if (v == NULL)          /* not initialized yet */
+               return NULL;
        if (v->parser) {
                av_parser_close(v->parser);
                v->parser = NULL;