if (s->payload_type == RTP_PT_MPEG2TS) {
if (!strcmp(AVRtpPayloadTypes[s->payload_type].enc_name, "MP2T")) {
void rtp_parse_close(RTPDemuxContext *s){    if (s->payload_type == RTP_PT_MPEG2TS) {        mpegts_parse_close(s->ts);    }    av_free(s);}