void
rtp_callback_proc(struct rtp *s, rtp_event *e)
{
struct s_session *sp;
int i;
assert(s != NULL);
assert(e != NULL);
sp = get_session(s);
if (sp == NULL) {
/* Should only happen when SOURCE_CREATED is generated in */
/* rtp_init. */
debug_msg("Could not find session (0x%08lx)\n", (unsigned long)s);
return;
}
if (sp->logger != NULL) {
rtpdump_callback(sp->logger, e);
}
/* If we're a transcoder, add this source as a CSRC on the other session */
if (sp->other_session != NULL) {
for (i = 0; i < sp->other_session->rtp_session_count; i++) {
rtp_add_csrc(sp->other_session->rtp_session[i], e->ssrc);
}
}
switch (e->type) {
case RX_RTP:
process_rtp_data(sp, e->ssrc, (rtp_packet*)e->data);
break;
case RX_RTCP_START:
break;
case RX_RTCP_FINISH:
break;
case RX_SR:
break;
case RX_RR:
process_rr(sp, e);
break;
case RX_RR_EMPTY:
break;
case RX_SDES:
process_sdes(sp, e->ssrc, (rtcp_sdes_item*)e->data);
break;
case RX_APP:
debug_msg("Received application specific report from %08x - and processing it - possible siteid packet\n", e->ssrc);
process_app(sp, e->ssrc, (rtcp_app*)e->data);
xfree(e->data);
break;
case RX_BYE:
case SOURCE_DELETED:
process_delete(sp, e);
if (sp->other_session != NULL) {
for (i = 0; i < sp->other_session->rtp_session_count; i++) {
rtp_del_csrc(sp->other_session->rtp_session[i], e->ssrc);
}
}
break;
case SOURCE_CREATED:
process_create(sp, e->ssrc);
break;
case RR_TIMEOUT:
process_rr_timeout(sp, e->ssrc, (rtcp_rr*)e->data);
break;
default:
debug_msg("Unknown RTP event (type=%d)\n", e->type);
abort();
}
}
void rtp_recv_callback(struct rtp *session, rtp_event * e)
{
rtcp_app *pckt_app = (rtcp_app *) e->data;
rtp_packet *pckt_rtp = (rtp_packet *) e->data;
struct pdb *participants = (struct pdb *)rtp_get_userdata(session);
struct pdb_e *state = pdb_get(participants, e->ssrc);
struct timeval curr_time;
switch (e->type) {
case RX_RTP:
if (pckt_rtp->data_len > 0) { /* Only process packets that contain data... */
pbuf_insert(state->playout_buffer, pckt_rtp);
}
gettimeofday(&curr_time, NULL);
tfrc_recv_data(state->tfrc_state, curr_time, pckt_rtp->seq,
pckt_rtp->data_len + 40);
break;
case RX_TFRC_RX:
/* compute TCP friendly data rate */
break;
case RX_RTCP_START:
break;
case RX_RTCP_FINISH:
break;
case RX_SR:
break;
case RX_RR:
process_rr(session, e);
break;
case RX_RR_EMPTY:
break;
case RX_SDES:
process_sdes(participants, e->ssrc, (rtcp_sdes_item *) e->data);
break;
case RX_APP:
pckt_app = (rtcp_app *) e->data;
if (strncmp(pckt_app->name, "RTT_", 4) == 0) {
assert(pckt_app->length == 3);
assert(pckt_app->subtype == 0);
gettimeofday(&curr_time, NULL);
// tfrc_recv_rtt(state->tfrc_state, curr_time, ntohl(*((int *) pckt_app->data)));
}
break;
case RX_BYE:
break;
case SOURCE_DELETED:
{
struct pdb_e *pdb_item = NULL;
if(pdb_remove(participants, e->ssrc, &pdb_item) == 0) {
if (pdb_item->decoder_state_deleter) {
pdb_item->decoder_state_deleter(pdb_item->decoder_state);
}
}
}
break;
case SOURCE_CREATED:
pdb_add(participants, e->ssrc);
break;
case RR_TIMEOUT:
break;
default:
debug_msg("Unknown RTP event (type=%d)\n", e->type);
}
}
