Not completely working yet though.
in-port-index=130
out-port-index=131
hacks=no-empty-eos-buffer;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-empty-eos-buffer;no-component-role
+
+[omxh264enc]
+type-name=GstOMXH264Enc
+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-empty-eos-buffer;no-component-role
+