int rtcp_rr_init(RtpSession *session, char *buf, int size){
rtcp_rr_t *rr=(rtcp_rr_t*)buf;
if (size<sizeof(rtcp_rr_t)) return -1;
rtcp_common_header_init(&rr->ch,session,RTCP_RR,1,sizeof(rtcp_sr_t));
rr->ssrc=htonl(session->send_ssrc);
report_block_init(&rr->rb[0],session);
return sizeof(rtcp_sr_t);
}
static int rtcp_rr_init(RtpSession *session, uint8_t *buf, int size){
rtcp_rr_t *rr=(rtcp_rr_t*)buf;
if (size<sizeof(rtcp_rr_t)) return 0;
rtcp_common_header_init(&rr->ch,session,RTCP_RR,1,sizeof(rtcp_rr_t));
rr->ssrc=htonl(session->snd.ssrc);
report_block_init(&rr->rb[0],session);
extended_statistics( session, &rr->rb[0] );
return sizeof(rtcp_rr_t);
}
static int rtcp_sr_init(RtpSession *session, uint8_t *buf, int size){
rtcp_sr_t *sr=(rtcp_sr_t*)buf;
int rr=(session->stats.packet_recv>0);
int sr_size=sizeof(rtcp_sr_t)-sizeof(report_block_t)+(rr*sizeof(report_block_t));
if (size<sr_size) return 0;
rtcp_common_header_init(&sr->ch,session,RTCP_SR,rr,sr_size);
sr->ssrc=htonl(session->snd.ssrc);
sender_info_init(&sr->si,session);
/*only include a report block if packets were received*/
if (rr) {
report_block_init( &sr->rb[0], session );
extended_statistics( session, &sr->rb[0] );
}
return sr_size;
}
