[gst-cvs] thomasvs gst-plugins: gst-plugins/gst/qtdemux/

[Thomas V. S. <tho...@us...>]

CVS Root:       /cvsroot/gstreamer
Module:         gst-plugins
Changes by:     thomasvs
Date:           Sat Jan 18 2003  10:11:06 PST

Log message:
don't segfault when data didn't make it in

Modified files:
    gst/qtdemux     : qtdemux.c

Links:
http://cvs.sf.net/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins/gst/qtdemux/qtdemux.c.diff?r1=1.8&r2=1.9

====Begin Diffs====
Index: qtdemux.c
===================================================================
RCS file: /cvsroot/gstreamer/gst-plugins/gst/qtdemux/qtdemux.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -d -r1.8 -r1.9
--- qtdemux.c	10 Jan 2003 10:22:20 -0000	1.8
+++ qtdemux.c	18 Jan 2003 18:10:53 -0000	1.9
@@ -211,11 +211,14 @@
 }
 
 static GstCaps*
-quicktime_type_find (GstBuffer *buf,
-	      gpointer private)
+quicktime_type_find (GstBuffer *buf, gpointer private)
 {
   gchar *data = GST_BUFFER_DATA (buf);
 
+  /* we could get a NULL buffer, for example when the input could not be
+   * mmap'd */
+  g_return_val_if_fail (data != NULL, NULL);
+  
   /* exactly like in the old version */
   if (!strncmp (&data[4], "wide", 4) ||
       !strncmp (&data[4], "moov", 4) ||