diff -Naur guvcview-src-1.6.0-orig/src/vcodecs.c guvcview-src-1.6.0/src/vcodecs.c
--- guvcview-src-1.6.0-orig/src/vcodecs.c	2012-05-26 17:35:50.000000000 +0300
+++ guvcview-src-1.6.0/src/vcodecs.c	2012-08-03 14:32:54.269473059 +0300
@@ -37,6 +37,10 @@
 
 #define __FMUTEX &global->file_mutex
 
+#define CODEC_FLAG2_BPYRAMID 0
+#define CODEC_FLAG2_WPRED 0
+#define CODEC_FLAG2_FASTPSKIP 0
+
 static BITMAPINFOHEADER mkv_codecPriv =
 {
 	.biSize = 0x00000028, //40 bytes