[FFmpeg-cvslog] r20319 - trunk/libavformat/utils.c

[bcoudurier]

Author: bcoudurier
Date: Mon Oct 19 20:55:27 2009
New Revision: 20319

Log:
check stream index validity in av_program_add_stream_index

Modified:
   trunk/libavformat/utils.c

Modified: trunk/libavformat/utils.c
==============================================================================
--- trunk/libavformat/utils.c	Mon Oct 19 20:53:32 2009	(r20318)
+++ trunk/libavformat/utils.c	Mon Oct 19 20:55:27 2009	(r20319)
@@ -2833,6 +2833,11 @@ void av_program_add_stream_index(AVForma
     AVProgram *program=NULL;
     void *tmp;
 
+    if (idx >= ac->nb_streams) {
+        av_log(ac, AV_LOG_ERROR, "stream index %d is not valid\n", idx);
+        return;
+    }
+
     for(i=0; i<ac->nb_programs; i++){
         if(ac->programs[i]->id != progid)
             continue;