Lower the rank of ffmpeg plugin so codecs that hook into accelerated pieces (e.g. dsp or hw engines) can get picked over this
Derived from OE by Dongxiao Xu <dongxiao.xu@intel.com>

Upstream-Status: Inappropriate [embedded specific]

--- /tmp/gstffmpegdec.c	2009-03-05 09:31:15.000000000 +0100
+++ gst-ffmpeg-0.10.6/ext/ffmpeg/gstffmpegdec.c	2009-03-05 09:33:09.000000000 +0100
@@ -2588,7 +2588,7 @@
       case CODEC_ID_MSMPEG4V3:
       case CODEC_ID_H264:
       case CODEC_ID_COOK:
-        rank = GST_RANK_PRIMARY;
+        rank = GST_RANK_SECONDARY;
         break;
       case CODEC_ID_DVVIDEO:
         /* we have a good dv decoder, fast on both ppc as well as x86. they say