diff -up gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/configure.ac.gstreamer-1_0_x gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/configure.ac
--- gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/configure.ac.gstreamer-1_0_x	2013-02-12 21:47:47.802400839 +0100
+++ gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/configure.ac	2013-02-12 21:47:47.823400615 +0100
@@ -45,8 +45,8 @@ AG_GST_LIBTOOL_PREPARE
 AS_LIBTOOL(GST, 2, 0, 2)
 
 dnl *** required versions of GStreamer stuff ***
-GST_REQ=1.1.0
-GST_PBREQ=1.1.0
+GST_REQ=1.0.0
+GST_PBREQ=1.0.0
 
 ORC_REQ=0.4.16
 ORC_CHECK([$ORC_REQ])
diff -up gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/ext/libav/gstavcodecmap.c.gstreamer-1_0_x gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/ext/libav/gstavcodecmap.c
--- gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/ext/libav/gstavcodecmap.c.gstreamer-1_0_x	2013-02-12 11:22:11.000000000 +0100
+++ gst-libav-f42ff3194110b8d2f16b234470e4cce1e4c13de7/ext/libav/gstavcodecmap.c	2013-02-12 21:50:10.795874885 +0100
@@ -2431,11 +2431,6 @@ static const PixToFmt pixtofmttable[] =
   {GST_VIDEO_FORMAT_I420_10BE, PIX_FMT_YUV420P10BE},
   {GST_VIDEO_FORMAT_I422_10LE, PIX_FMT_YUV422P10LE},
   {GST_VIDEO_FORMAT_I422_10BE, PIX_FMT_YUV422P10BE},
-  {GST_VIDEO_FORMAT_Y444_10LE, PIX_FMT_YUV444P10LE},
-  {GST_VIDEO_FORMAT_Y444_10BE, PIX_FMT_YUV444P10BE},
-  {GST_VIDEO_FORMAT_GBR, PIX_FMT_GBRP},
-  {GST_VIDEO_FORMAT_GBR_10LE, PIX_FMT_GBRP10LE},
-  {GST_VIDEO_FORMAT_GBR_10BE, PIX_FMT_GBRP10BE},
 };
 
 GstVideoFormat