private RTPFormat createFormat(int payload, Text description) {
		MediaType mtype = MediaType.fromDescription(mediaType);
		switch (mtype) {
		case AUDIO:
			return createAudioFormat(payload, description);
		case VIDEO:
			return createVideoFormat(payload, description);
		case APPLICATION:
			return createApplicationFormat(payload, description);
		default:
			return null;
		}
    }
private RTPFormat createFormat ( int payload , Text description ) { MediaType mtype = MediaType . fromDescription ( mediaType ) ; switch ( mtype ) { case AUDIO : return createAudioFormat ( payload , description ) ; case VIDEO : return createVideoFormat ( payload , description ) ; case APPLICATION : return createApplicationFormat ( payload , description ) ; default : return null ; } }
Creates or updates format using payload number and text format description.

@param payload the payload number of the format.
@param description text description of the format
@return format object