Original commit message from CVS:
* gst/rtsp/gstrtspsrc.c: (gst_rtspsrc_get_type),
(gst_rtspsrc_parse_rtpmap), (gst_rtspsrc_media_to_caps),
(gst_rtspsrc_stream_setup_rtp), (gst_rtspsrc_send),
(gst_rtspsrc_open), (gst_rtspsrc_uri_get_type),
(gst_rtspsrc_uri_get_protocols), (gst_rtspsrc_uri_get_uri),
(gst_rtspsrc_uri_set_uri), (gst_rtspsrc_uri_handler_init):
* gst/rtsp/sdpmessage.c: (sdp_media_get_format):
* gst/rtsp/sdpmessage.h:
Add URI handler.
Parse SDP and create caps.