Index: libmpdemux/demux_mov.c
===================================================================
--- libmpdemux/demux_mov.c.orig	2007-02-15 09:42:47.000000000 -0800
+++ libmpdemux/demux_mov.c	2007-02-15 09:43:25.000000000 -0800
@@ -1267,7 +1267,8 @@
 		}
 		else
 		{
-		 if (trak->fourcc == mmioFOURCC('a','v','c','1')) {
+		 if (trak->fourcc == mmioFOURCC('a','v','c','1') ||
+                     trak->fourcc == mmioFOURCC('A','V','C','1')) {
 		  if (trak->stream_header_len > 0xffffffff - sizeof(BITMAPINFOHEADER)) {
 		    mp_msg(MSGT_DEMUXER, MSGL_ERR, "Invalid extradata size %d, skipping\n",trak->stream_header_len);
 		    trak->stream_header_len = 0;