[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [26776] trunk/blender/source/blender/ blenkernel/intern/sequencer.c: fix for crash in sequencer when sequebce data cant be read.

[Campbell Barton]

Revision: 26776
          http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=26776
Author:   campbellbarton
Date:     2010-02-10 18:28:46 +0100 (Wed, 10 Feb 2010)

Log Message:
-----------
fix for crash in sequencer when sequebce data cant be read. 

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/sequencer.c

Modified: trunk/blender/source/blender/blenkernel/intern/sequencer.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/sequencer.c	2010-02-10 16:43:43 UTC (rev 26775)
+++ trunk/blender/source/blender/blenkernel/intern/sequencer.c	2010-02-10 17:28:46 UTC (rev 26776)
@@ -2498,8 +2498,13 @@
 		TStripElem* se2 = give_tstripelem(seq_arr[i], cfra);
 
 		float facf = seq->blend_opacity / 100.0;
-	
+
 		int early_out = sh.early_out(seq, facf, facf);
+
+		/* if any of these are the case blender would crash */
+		if(se1->ibuf==NULL || se1->ibuf_comp==NULL || se2->ibuf==NULL || se2->ibuf_comp==NULL)
+			continue;
+
 		switch (early_out) {
 		case 0: {
 			int x= se2->ibuf->x;