Ensure that buffers returned by the default allocator are readable, or else
authorVitor Sessak <vitor1001@gmail.com>
Fri, 15 Feb 2008 21:59:57 +0000 (21:59 +0000)
committerVitor Sessak <vitor1001@gmail.com>
Fri, 15 Feb 2008 21:59:57 +0000 (21:59 +0000)
they're useless for outputting.

Commited in SoC by Bobby Bingham on 2007-08-17 22:52:18

Originally committed as revision 12070 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavfilter/defaults.c

index da739d9..8abdb7e 100644 (file)
@@ -39,7 +39,9 @@ AVFilterPicRef *avfilter_default_get_video_buffer(AVFilterLink *link, int perms)
     ref->pic   = pic;
     ref->w     = link->w;
     ref->h     = link->h;
-    ref->perms = perms;
+
+    /* make sure the buffer gets read permission or it's useless for output */
+    ref->perms = perms | AV_PERM_READ;
 
     pic->refcount = 1;
     pic->format   = link->format;