From: Sreerenj Balachandran <sreerenj.balachandran@intel.com>
Date: Wed, 7 Aug 2013 11:52:43 +0000 (+0300)
Subject: vc1parse: Fix seq hdr STRUCT_A handling for advanced profile.
X-Git-Tag: 1.1.4~60
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ea213f826c4934681e77c6af348f069f5b04e456;p=platform%2Fupstream%2Fgst-plugins-bad.git

vc1parse: Fix seq hdr STRUCT_A handling for advanced profile.

The Sequence Header Data Structure STRUCT_A for advanced profile
may be eight consecutive zero bytes.Don't try to override the
width and height values in this case.

https://bugzilla.gnome.org/show_bug.cgi?id=705667
---

diff --git a/gst/videoparsers/gstvc1parse.c b/gst/videoparsers/gstvc1parse.c
index e4d4656..3e974f2 100644
--- a/gst/videoparsers/gstvc1parse.c
+++ b/gst/videoparsers/gstvc1parse.c
@@ -1415,7 +1415,8 @@ gst_vc1_parse_handle_seq_layer (GstVC1Parse * vc1parse,
 
   width = vc1parse->seq_layer.struct_a.vert_size;
   height = vc1parse->seq_layer.struct_a.horiz_size;
-  if (vc1parse->width != width || vc1parse->height != height) {
+  if (width > 0 && height > 0
+      && (vc1parse->width != width || vc1parse->height != height)) {
     vc1parse->update_caps = TRUE;
     vc1parse->width = width;
     vc1parse->height = height;