rpi: Add VC1/WMV3 decoder

WMV2 and WMV1 (aka WMV 1-8) are not supported by RPi.

config/rpi/gstomx.conf

@@ -61,6 +61,16 @@ in-port-index=130
 out-port-index=131
 hacks=no-component-role
 
+[omxmpeg4videoenc]
+type-name=GstOMXMPEG4VideoEnc
+core-name=/opt/vc/lib/libopenmaxil.so
+component-name=OMX.broadcom.video_encode
+rank=256
+in-port-index=200
+out-port-index=201
+hacks=no-component-role
+sink-template-caps=video/x-wmv,wmvversion=(int)3,format=(string){WMV3,WVC1}
+
 [omxh264enc]
 type-name=GstOMXH264Enc
 core-name=/opt/vc/lib/libopenmaxil.so