static void
packet_print (struct rtp *session, rtp_packet * p)
{
call_t *ca = (call_t *) rtp_get_userdata (session);
#ifdef USE_PCM
char data_in_dec[1280];
#endif
fprintf (stderr, "Received data (payload %d timestamp %06d size %d)\n",
p->pt, p->ts, p->data_len);
if (ca == NULL)
{
fprintf (stderr, "No call for current session\n");
return;
}
#ifdef USE_PCM
if (p->pt == 8) /* A-Law */
alaw_dec (p->data, data_in_dec, p->data_len);
if (p->pt == 0) /* Mu-Law */
mulaw_dec (p->data, data_in_dec, p->data_len);
write (ca->fd, data_in_dec, p->data_len * 2);
#else
write (ca->fd, p->data, p->data_len);
OSIP_TRACE (osip_trace (__FILE__, __LINE__, OSIP_ERROR, NULL,
"received %i data written to the audio driver\n",
p->data_len));
#endif
/*Unless filtering is enabled we are likely to see
out packets if sending to a multicast group. */
/*
if (p->ssrc == rtp_my_ssrc(session)) {
fprintf(stderr, "that I just sent.\n");
} else {
fprintf(stderr, "from SSRC 0x%08x\n", p->ssrc);
}
*/
}
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);
}
}
