GstSdp-1.0 ▶ GstSdp ▶ sdp_media_set_media_from_capsSince 1.8

Mapping of caps to SDP fields:

a=rtpmap:(payload) (encoding_name) or (clock_rate)[or (encoding_params)]

a=framesize:(payload) (width)-(height)

a=fmtp:(payload) (param)[=(value)];...

a=rtcp-fb:(payload) (param1) [param2]...

a=extmap:(id)[/direction] (extensionname) (extensionattributes)

Only the first Gst.Structure of the caps is used.