static void
process_delete(session_t *sp, rtp_event *e)
{
if (log_fp != 0)
{
struct timeval tv, *dead;
int d_sec = -1, d_usec = -1;
gettimeofday(&tv, 0);
dead = (struct timeval *) e->data;
if (dead != 0)
{
d_sec = (int) dead->tv_sec;
d_usec = (int) dead->tv_usec;
}
fprintf(log_fp, "%d.%06d %d delete %x %d.%06d\n", (int) tv.tv_sec, (int) tv.tv_usec,
rtp_get_ssrc_count(sp->rtp_session[0]),
e->ssrc,
d_sec, d_usec);
fflush(log_fp);
}
if (e->ssrc != rtp_my_ssrc(sp->rtp_session[0]) && sp->mbus_engine != NULL) {
struct s_source *s;
pdb_entry_t *pdbe;
if ((s = source_get_by_ssrc(sp->active_sources, e->ssrc)) != NULL) {
source_remove(sp->active_sources, s);
}
if (pdb_item_get(sp->pdb, e->ssrc, &pdbe)) {
pdb_item_destroy(sp->pdb, e->ssrc);
/* Will not be in ui if not in pdb */
ui_send_rtp_remove(sp, sp->mbus_ui_addr, e->ssrc);
}
}
}
rtcp_app* rtcp_app_site_callback(struct rtp *session,
uint32_t rtp_ts,
int max_size)
{
struct s_session *sp;
int len;
int datalen;
int slen;
sp = get_session(session);
if (sp == NULL) {
/* Shouldn't happen */
return NULL;
}
if (sp->rtp_session_app_site == NULL) {
/* Site identifier not set */
return NULL;
}
if (sp->rtcp_app_packet_ts == rtp_ts) {
/* Already sent an APP for this timestamp */
return NULL;
}
slen = strlen(sp->rtp_session_app_site);
datalen = slen;
if (slen % 4 > 0) {
datalen += 4 - (slen % 4);
}
len = datalen + sizeof(rtcp_app) - 1;
if (len > max_size) {
/* Can't fit the site id in the current RTCP compound packet */
return NULL;
}
if (sp->rtcp_app_packet != NULL) {
xfree(sp->rtcp_app_packet);
}
sp->rtcp_app_packet = xmalloc(len);
sp->rtcp_app_packet->version = RTP_VERSION;
sp->rtcp_app_packet->p = 0;
sp->rtcp_app_packet->subtype = 0;
sp->rtcp_app_packet->pt = 204;
/* Host -> Network order is handled by common lib */
sp->rtcp_app_packet->length = 2 + datalen/4;
sp->rtcp_app_packet->ssrc = rtp_my_ssrc(session);
strncpy(sp->rtcp_app_packet->name, "site", 4);
memset(sp->rtcp_app_packet->data, 0, datalen);
strncpy(sp->rtcp_app_packet->data, sp->rtp_session_app_site, slen);
sp->rtcp_app_packet_ts = rtp_ts;
return sp->rtcp_app_packet;
}
void settings_load_late(session_t *sp)
{
/* FIXME: This needs to be updated for the transcoder */
uint32_t my_ssrc;
struct utsname u;
char hostfmt[] = "RAT v" RAT_VERSION " %s %s (%s)";
char *field, username[32] = "";
load_init(); /* Initial settings come from the common prefs file... */
/*
* We check to see it SDES items are set first. If they are
* then presumeably it has come from the command line and
* so it should override saved settings.
*/
my_ssrc = rtp_my_ssrc(sp->rtp_session[0]);
if (settings_username(username, sizeof(username) - 1) == FALSE) {
sprintf(username, "Unknown");
}
field = setting_load_str("rtpName", username);
if (rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_NAME) == NULL) {
debug_msg("username %s %s\n", field, username);
rtp_set_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_NAME, field, strlen(field));
}
field = setting_load_str("rtpEmail", "");
if (rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_EMAIL) == NULL) {
rtp_set_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_EMAIL, field, strlen(field));
}
field = setting_load_str("rtpPhone", "");
if (rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_PHONE) == NULL) {
rtp_set_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_PHONE, field, strlen(field));
}
field = setting_load_str("rtpLoc", "");
if (rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_LOC) == NULL) {
rtp_set_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_LOC, field, strlen(field));
}
field = setting_load_str("rtpNote", "");
if (rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_NOTE) == NULL) {
rtp_set_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_NOTE, field, strlen(field));
}
field = (char*)xmalloc(3 * 256 + sizeof(hostfmt));
uname(&u);
sprintf(field, hostfmt, u.sysname, u.release, u.machine);
rtp_set_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_TOOL, field, strlen(field));
xfree(field);
/* This is evil [csp] */
field = xstrdup(" rattest");
field[0] = 3;
rtp_set_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_PRIV, field, strlen(field));
xfree(field);
init_part_two(); /* Switch to pulling settings from the RAT specific prefs file... */
load_done();
}
static void
process_rr(session_t *sp, rtp_event *rtp_e)
{
pdb_entry_t *e;
uint32_t fract_lost, my_ssrc;
uint32_t ssrc = rtp_e->ssrc;
rtcp_rr *r = (rtcp_rr *) rtp_e->data;
/* Calculate rtt estimate */
my_ssrc = rtp_my_ssrc(sp->rtp_session[0]);
if (pdb_item_get(sp->pdb, r->ssrc, &e) == FALSE) {
/* Maybe deleted or not heard from yet */
debug_msg("Receiver report on unknown participant (0x%lx)\n", r->ssrc);
return;
}
if (pdb_item_get(sp->pdb, ssrc, &e) &&
r->ssrc == my_ssrc &&
r->ssrc != ssrc && /* filter self reports */
r->lsr != 0) {
uint32_t ntp_sec, ntp_frac, ntp32;
double rtt;
ntp64_time(&ntp_sec, &ntp_frac);
ntp32 = ntp64_to_ntp32(ntp_sec, ntp_frac);
rtt = rtp_rtt_calc(ntp32, r->lsr, r->dlsr);
/*
* Filter out blatantly wrong rtt values. Some tools might not
* implement dlsr and lsr (broken) or forget to do byte-swapping
*/
if (rtt < 100.0) {
e->last_rtt = rtt;
debug_msg("rtt %f\n", rtt);
} else {
debug_msg("Junk rtt (%f secs) ntp32 0x%08x lsr 0x%08x dlsr 0x%08x ?\n", rtt, ntp32, r->lsr, r->dlsr);
}
if (e->avg_rtt == 0.0) {
e->avg_rtt = e->last_rtt;
} else {
e->avg_rtt += (e->last_rtt - e->avg_rtt) / 2.0;
}
if (sp->mbus_engine != NULL) {
ui_send_rtp_rtt(sp, sp->mbus_ui_addr, ssrc, e->avg_rtt);
}
}
fract_lost = (r->fract_lost * 100) >> 8;
/* Update loss stats */
if (sp->mbus_engine != NULL) {
ui_send_rtp_packet_loss(sp, sp->mbus_ui_addr, ssrc, r->ssrc, fract_lost);
}
/* Do we have to log anything? */
if ((r->ssrc == my_ssrc) && (sp->logger != NULL)) {
rtpdump_header(sp->logger, "rtt ", rtp_e);
fprintf(sp->logger, "%f\n", e->avg_rtt);
}
}
void
ui_send_stats(session_t *sp, char *addr, uint32_t ssrc)
{
/* Send RAT specific statistics to the user interface... */
const rtcp_rr *rr;
uint32_t fract_lost, my_ssrc, total_lost;
double skew_rate;
char *args, *mbes;
struct s_source *src;
uint32_t buffered, delay;
pdb_entry_t *pdbe;
session_validate(sp);
if (!sp->ui_on) return;
if (pdb_item_get(sp->pdb, ssrc, &pdbe) == FALSE) {
debug_msg("pdb entry does not exist (0x%08x)\n", ssrc);
return;
}
pdbe->last_ui_update = sp->cur_ts;
if (pdbe->enc_fmt) {
mbes = mbus_encode_str(pdbe->enc_fmt);
args = (char *) xmalloc(strlen(mbes) + 12);
sprintf(args, "\"%08x\" %s", pdbe->ssrc, mbes);
xfree(mbes);
} else {
args = (char *) xmalloc(19);
sprintf(args, "\"%08x\" unknown", pdbe->ssrc);
}
mbus_qmsg(sp->mbus_engine, addr, "rtp.source.codec", args, FALSE);
xfree(args);
src = source_get_by_ssrc(sp->active_sources, pdbe->ssrc);
if (src) {
buffered = timestamp_to_ms(source_get_audio_buffered(src));
delay = timestamp_to_ms(source_get_playout_delay(src));
skew_rate = source_get_skew_rate(src);
} else {
buffered = 0;
delay = 0;
skew_rate = 1.0;
}
mbus_qmsgf(sp->mbus_engine, addr, FALSE, "tool.rat.audio.buffered", "\"%08lx\" %ld", (unsigned long)pdbe->ssrc, buffered);
mbus_qmsgf(sp->mbus_engine, addr, FALSE, "tool.rat.audio.delay", "\"%08lx\" %ld", (unsigned long)pdbe->ssrc, delay);
mbus_qmsgf(sp->mbus_engine, addr, FALSE, "tool.rat.audio.skew", "\"%08lx\" %.5f", (unsigned long)pdbe->ssrc, skew_rate);
mbus_qmsgf(sp->mbus_engine, addr, FALSE, "tool.rat.spike.events", "\"%08lx\" %ld", (unsigned long)pdbe->ssrc, pdbe->spike_events);
mbus_qmsgf(sp->mbus_engine, addr, FALSE, "tool.rat.spike.toged", "\"%08lx\" %ld", (unsigned long)pdbe->ssrc, pdbe->spike_toged);
my_ssrc = rtp_my_ssrc(sp->rtp_session[0]);
rr = rtp_get_rr(sp->rtp_session[0], my_ssrc, pdbe->ssrc);
if (rr != NULL) {
fract_lost = (rr->fract_lost * 100) >> 8;
total_lost = rr->total_lost;
} else {
static void process_rr(struct rtp *session, rtp_event * e)
{
float fract_lost, tmp;
uint32_t ntp_sec, ntp_frac, now;
rtcp_rr *r = (rtcp_rr *) e->data;
if (e->ssrc == rtp_my_ssrc(session)) {
/* Filter out loopback reports */
return;
}
if (r->ssrc == rtp_my_ssrc(session)) {
/* Received a reception quality report for data we are sending. */
/* */
/* Check for excessive congestion: exit if it occurs, to protect */
/* other users of the network. */
fract_lost = (r->fract_lost * 100.0) / 256.0; /* percentage lost packets */
if (fract_lost > 20) {
printf("Receiver 0x%08x reports excessive congestion\n",
e->ssrc);
}
/* Compute network round-trip time: */
if (r->lsr != 0) {
ntp64_time(&ntp_sec, &ntp_frac);
now = ntp64_to_ntp32(ntp_sec, ntp_frac);
if ((now < r->lsr) || (now - r->lsr < r->dlsr)) {
/* Packet arrived before it was sent, ignore. This represents */
/* a bug in the remote: either our timestamp was incorrectly */
/* echoed back to us, or the remote miscalculated in time for */
/* which it held the packet. */
debug_msg("Bogus RTT from 0x%08x ignored\n",
e->ssrc);
} else {
tmp = ((float)(now - r->lsr - r->dlsr)) / 65536.0; /* RTT in seconds */
RTT = tmp * 1000000; /* RTT in usec */
}
debug_msg(" RTT=%d usec\n", RTT);
}
}
}
static void
process_rtp_data(session_t *sp, uint32_t ssrc, rtp_packet *p)
{
struct s_source *s;
pdb_entry_t *e;
if (sp->filter_loopback && ssrc == rtp_my_ssrc(sp->rtp_session[0])) {
/* This packet is from us and we are filtering our own */
/* packets. */
xfree(p);
return;
}
if (pdb_item_get(sp->pdb, ssrc, &e) == FALSE) {
debug_msg("Packet discarded: unknown source (0x%08x).\n", ssrc);
xfree(p);
return;
}
e->received++;
s = source_get_by_ssrc(sp->active_sources, ssrc);
if (s == NULL) {
s = source_create(sp->active_sources, ssrc, sp->pdb);
ui_send_rtp_active(sp, sp->mbus_ui_addr, ssrc);
debug_msg("Source created\n");
}
/* Calculate the relative playout delay, for this source. Needed for lip-sync. */
/* Discard packet if output is muted... no point wasting time decoding it... */
if ((sp->playing_audio == FALSE) || (e->mute)) {
xfree(p);
return;
}
/* Discard packets that contain no data */
if (p->meta.data_len == 0) {
printf("Zero length packet\n");
xfree(p);
return;
}
/* Remove any padding */
if (p->fields.p) {
p->meta.data_len -= p->meta.data[p->meta.data_len - 1];
p->fields.p = 0;
}
source_add_packet(s, p);
}
rtp_session_t * init_rtp_session(uint32_t port, char *addr){
rtp_session_t *rtp;
char *mcast_if = NULL;
double rtcp_bw = DEFAULT_RTCP_BW;
int ttl = DEFAULT_TTL;
struct module tmod;
struct tx *tx_session;
rtp = (rtp_session_t *) malloc(sizeof(rtp_session_t));
if (rtp == NULL){
error_msg("rtp_session: malloc error");
return NULL;
}
rtp->port = port;
rtp->addr = addr;
module_init_default(&tmod);
struct rtp *rtp_conn = rtp_init_if(addr, mcast_if,
0, port, ttl,
rtcp_bw, 0, dummy_callback,
(void *)NULL, 0);
if (rtp_conn == NULL){
error_msg("rtp_session: rtp_init error");
return NULL;
}
rtp_set_option(rtp_conn, RTP_OPT_WEAK_VALIDATION, 1);
rtp_set_sdes(rtp_conn, rtp_my_ssrc(rtp_conn), RTCP_SDES_TOOL, PACKAGE_STRING, strlen(PACKAGE_STRING));
rtp_set_send_buf(rtp_conn, DEFAULT_SEND_BUFFER_SIZE);
tx_session = tx_init_h264(&tmod, MTU, TX_MEDIA_VIDEO, NULL, NULL);
if (tx_session == NULL){
error_msg("rtp_session: tx_init error");
return NULL;
}
rtp->rtp = rtp_conn;
rtp->tx_session = tx_session;
return rtp;
}
/*
* recv_callback - callback for when bytestream is active - basically,
* put things on the queue
*/
int CRtpByteStreamBase::recv_callback (struct rtp *session, rtp_event *e)
{
switch (e->type) {
case RX_RTP:
rtp_packet *rpak;
rpak = (rtp_packet *)e->data;
if (rpak->rtp_data_len == 0) {
xfree(rpak);
} else {
// need to add lock/unlock of mutex here
if (m_have_recv_last_ts) {
int32_t diff = rpak->rtp_pak_ts - m_recv_last_ts;
int32_t ts, nts;
ts = m_timescale * 2;
nts = 0 - ts;
if (diff > ts || diff < nts) {
rtp_message(LOG_INFO, "%s - rtp timestamp diff %d last %u now %u",
m_name, diff, m_recv_last_ts, rpak->rtp_pak_ts);
flush_rtp_packets();
reset();
}
}
m_have_recv_last_ts = true;
m_recv_last_ts = rpak->rtp_pak_ts;
if (m_buffering == 0) {
rpak->pd.rtp_pd_timestamp = get_time_of_day();
rpak->pd.rtp_pd_have_timestamp = 1;
}
if (SDL_mutexP(m_rtp_packet_mutex) == -1) {
rtp_message(LOG_CRIT, "SDL Lock mutex failure in rtp bytestream recv");
break;
}
add_rtp_packet_to_queue(rpak, &m_head, &m_tail, m_name);
if (SDL_mutexV(m_rtp_packet_mutex) == -1) {
rtp_message(LOG_CRIT, "SDL Lock mutex failure in rtp bytestream recv");
break;
}
m_recvd_pak = true;
check_buffering();
}
break;
case RX_SR:
rtcp_sr *srpak;
srpak = (rtcp_sr *)e->data;
if (rtp_my_ssrc(session) != e->ssrc) {
//rtp_message(LOG_DEBUG, "%s received rtcp", m_name);
calculate_wallclock_offset_from_rtcp(srpak->ntp_frac,
srpak->ntp_sec,
srpak->rtp_ts);
}
break;
case RX_APP:
free(e->data);
break;
default:
#if 0
rtp_message(LOG_DEBUG, "Thread %u - Callback from rtp with %d %p",
SDL_ThreadID(),e->type, e->rtp_data);
#endif
break;
}
return m_buffering;
}
int
os_sound_start (call_t * ca, int port)
{
int p, cond;
int bits = 16;
int stereo = 0; /* 0 is mono */
int rate = 8000;
int blocksize = 512;
if (ca->local_sendrecv == _SENDRECV || ca->local_sendrecv == _RECVONLY)
{
ca->fd = open (AUDIO_DEVICE, O_RDWR | O_NONBLOCK);
if (ca->fd < 0)
return -EWOULDBLOCK;
fcntl (ca->fd, F_SETFL, fcntl (ca->fd, F_GETFL) & ~O_NONBLOCK);
ioctl (ca->fd, SNDCTL_DSP_RESET, 0);
p = bits; /* 16 bits */
ioctl (ca->fd, SNDCTL_DSP_SAMPLESIZE, &p);
p = stereo; /* number of channels */
ioctl (ca->fd, SNDCTL_DSP_CHANNELS, &p);
#ifdef USE_PCM
p = AFMT_S16_NE; /* choose LE or BE (endian) */
ioctl (ca->fd, SNDCTL_DSP_SETFMT, &p);
#else
if (ca->payload == 0)
p = AFMT_MU_LAW;
else if (ca->payload == 8)
p = AFMT_A_LAW;
else if (ca->payload == 110 || ca->payload == 111)
p = AFMT_S16_NE; /* choose LE or BE (endian) */
ioctl (ca->fd, SNDCTL_DSP_SETFMT, &p);
#endif
p = rate; /* rate in khz */
ioctl (ca->fd, SNDCTL_DSP_SPEED, &p);
ioctl (ca->fd, SNDCTL_DSP_GETBLKSIZE, &min_size);
if (min_size > blocksize)
{
cond = 1;
p = min_size / blocksize;
while (cond)
{
int i = ioctl (ca->fd, SNDCTL_DSP_SUBDIVIDE, &p);
/* fprintf(stderr, "SUB_DIVIDE said error=%i,errno=%i\n",i,errno); */
if ((i == 0) || (p == 1))
cond = 0;
else
p = p / 2;
}
}
ioctl (ca->fd, SNDCTL_DSP_GETBLKSIZE, &min_size);
if (min_size > blocksize)
{
fprintf (stderr, "dsp block size set to %i.", min_size);
exit (0);
} else
{
/* no need to access the card with less latency than needed */
min_size = blocksize;
}
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"blocksize = %i\n", min_size));
} else
{
/* send a wav file! */
ca->fd = open (ca->wav_file, O_RDONLY);
if (ca->fd < 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"Could not open wav file: %s\n", ca->wav_file));
return -1;
}
}
#ifdef SPEEX_SUPPORT
{
float vbr_qual;
int value;
int quality;
ca->speex_enc = speex_encoder_init (&speex_nb_mode); /* 8kHz */
/* 16kHz speex_enc = speex_encoder_init(&speex_wb_mode); */
/* 32kHz speex_enc = speex_encoder_init(&speex_uwb_mode); */
ca->speex_dec = speex_decoder_init (&speex_nb_mode);
value = 1;
speex_decoder_ctl (ca->speex_dec, SPEEX_SET_ENH, &value);
quality = 8; /* 15kb */
speex_encoder_ctl (ca->speex_enc, SPEEX_SET_QUALITY, &quality);
/* ou bien le bit rate:
value = 15000; // 15kb
speex_encoder_ctl(ca->speex_enc, SPEEX_SET_BITRATE, &value);
*/
/* silence suppression (VAD)
value = 1; // 15kb
speex_encoder_ctl(ca->speex_enc, SPEEX_SET_VAD, &value);
Discontinuous transmission (DTX)
value = 1; // 15kb
speex_encoder_ctl(ca->speex_enc, SPEEX_SET_DTX, &value);
Variable Bit Rate (VBR)
value = 1; // 15kb
speex_encoder_ctl(ca->speex_enc, SPEEX_SET_VBR, &value);
vbr_qual = 5,0; // between 0 and 10
speex_encoder_ctl(ca->speex_enc, SPEEX_SET_VBR_QUALITY, &vbr_qual);
Average bit rate: (ABR)
value = 15000; // 15kb
speex_encoder_ctl(ca->speex_enc, SPEEX_SET_ABR, &value);
*/
speex_encoder_ctl (ca->speex_enc, SPEEX_GET_FRAME_SIZE, &ca->speex_fsize);
ca->speex_nb_packet = 1;
speex_bits_init (&(ca->speex_bits));
speex_bits_init (&(ca->dec_speex_bits));
}
#endif
if (ca->local_sendrecv == _SENDRECV)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"starting sendrecv session\n"));
} else if (ca->local_sendrecv == _SENDONLY)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"starting sendonly session\n"));
} else
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"starting recvonly session\n"));
}
ca->rtp_session = rtp_init (ca->remote_sdp_audio_ip,
port,
ca->remote_sdp_audio_port,
16, 64000, rtp_event_handler, (void *) ca);
if (ca->rtp_session)
{
const char *username = "******"; /* should be taken from the SDP */
const char *telephone = "0033-MY-NUMBER";
const char *app_name = "josua";
uint32_t my_ssrc = rtp_my_ssrc (ca->rtp_session);
/* set local participant info */
rtp_set_sdes (ca->rtp_session, my_ssrc, RTCP_SDES_NAME,
username, strlen (username));
rtp_set_sdes (ca->rtp_session, my_ssrc, RTCP_SDES_PHONE,
telephone, strlen (telephone));
rtp_set_sdes (ca->rtp_session, my_ssrc, RTCP_SDES_TOOL,
app_name, strlen (app_name));
/* Filter out local packets if requested */
/* rtp_set_option(ca->rtp_session, RTP_OPT_FILTER_MY_PACKETS, filter_me); */
rtp_set_option (ca->rtp_session, RTP_OPT_WEAK_VALIDATION, TRUE);
ca->enable_audio = 1;
ca->audio_thread = osip_thread_create (20000, os_sound_start_thread, ca);
} else
{
fprintf (stderr, "Could not initialize session for %s port %d\n",
ca->remote_sdp_audio_ip, ca->remote_sdp_audio_port);
}
return 0;
}
void *
os_sound_start_thread (void *_ca)
{
int i;
call_t *ca = (call_t *) _ca;
struct timeval timeout;
uint32_t rtp_ts, round;
uint8_t mulaw_buffer[MULAW_BYTES * 16];
int mulaw_buffer_pos;
#ifdef USE_PCM
char data_out[MULAW_BYTES * 2 * 16];
#endif
fprintf (stderr, "Sending and listening to ");
fprintf (stderr, "%s port %d (local SSRC = 0x%08x)\n",
rtp_get_addr (ca->rtp_session),
rtp_get_rx_port (ca->rtp_session), rtp_my_ssrc (ca->rtp_session));
round = 0;
mulaw_buffer_pos = 0;
while (ca->enable_audio != -1)
{
struct timeval t_beg;
struct timeval t_end;
struct timeval interval;
gettimeofday (&t_beg, NULL);
round++;
/* original line rtp_ts = round * MULAW_MS; */
rtp_ts = round * MULAW_BYTES;
if (ca->local_sendrecv != _RECVONLY)
{
if (mulaw_buffer_pos < MULAW_BYTES * 4)
{
/* Send control packets */
rtp_send_ctrl (ca->rtp_session, rtp_ts, NULL);
/* Send data packets */
#ifdef USE_PCM
i = read (ca->fd, data_out, MULAW_BYTES * 4);
if (ca->local_sendrecv == _SENDRECV
|| ca->local_sendrecv == _RECVONLY)
{
} else
{
if (i < MULAW_BYTES * 4)
{
memset (data_out, 0, MULAW_BYTES * 4);
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"restarting: %i\n", i));
close (ca->fd);
/* send a wav file! */
ca->fd = open (ca->wav_file, O_RDONLY);
if (ca->fd < 0)
{
OSIP_TRACE (osip_trace
(__FILE__, __LINE__, OSIP_INFO2, NULL,
"Could not open wav file: %s\n",
ca->wav_file));
ca->fd = -1;
break;
}
i = read (ca->fd, data_out, MULAW_BYTES * 4);
}
}
if (ca->payload == 8) /* A-Law */
alaw_enc (data_out, mulaw_buffer + mulaw_buffer_pos, i);
if (ca->payload == 0) /* Mu-Law */
mulaw_enc (data_out, mulaw_buffer + mulaw_buffer_pos, i);
i = i / 2;
mulaw_buffer_pos = mulaw_buffer_pos + i;
#else
memset (mulaw_buffer + mulaw_buffer_pos, 0, MULAW_BYTES * 2);
i = read (ca->fd, mulaw_buffer + mulaw_buffer_pos, MULAW_BYTES * 2); /* ?? */
mulaw_buffer_pos = mulaw_buffer_pos + i;
#endif
}
i = 0;
if (mulaw_buffer_pos >= MULAW_BYTES)
{
i = rtp_send_data (ca->rtp_session, rtp_ts, ca->payload,
0, 0, 0, (char *) mulaw_buffer, MULAW_BYTES,
0, 0, 0);
memmove (mulaw_buffer, mulaw_buffer + MULAW_BYTES, MULAW_BYTES * 15);
mulaw_buffer_pos = mulaw_buffer_pos - MULAW_BYTES;
}
} else
{
/* Send control packets */
rtp_send_ctrl (ca->rtp_session, rtp_ts, NULL);
}
/* Receive control and data packets */
timeout.tv_sec = 0;
timeout.tv_usec = 0;
i = rtp_recv (ca->rtp_session, &timeout, rtp_ts);
/* State maintenance */
rtp_update (ca->rtp_session);
gettimeofday (&t_end, NULL);
/* make a diff between t_beg and t_end */
interval.tv_sec = t_end.tv_sec - t_beg.tv_sec;
interval.tv_usec = t_end.tv_usec - t_beg.tv_usec;
if (interval.tv_usec < 0)
{
interval.tv_usec += 1000000L;
--interval.tv_sec;
}
interval.tv_usec = (MULAW_MS * 1000 - interval.tv_usec);
if (interval.tv_usec < 0)
{
interval.tv_usec += 1000000L;
--interval.tv_sec;
}
if (interval.tv_sec < 0)
{
interval.tv_sec = 0;
interval.tv_usec = 0;
}
select (0, NULL, NULL, NULL, &interval);
}
return NULL;
}
void settings_save(session_t *sp)
{
/* FIXME: This needs to be updated for the transcoder */
const codec_format_t *pri_cf;
const audio_port_details_t *iapd = NULL;
const audio_port_details_t *oapd = NULL;
const audio_format *af = NULL;
const repair_details_t *repair = NULL;
const converter_details_t *converter = NULL;
const audio_device_details_t *add = NULL;
const cc_details_t *ccd = NULL;
codec_id_t pri_id;
int cc_len;
char *cc_param;
int i;
uint16_t j,n;
uint32_t my_ssrc;
pri_id = codec_get_by_payload(sp->encodings[0]);
pri_cf = codec_get_format(pri_id);
cc_len = 3 * (CODEC_LONG_NAME_LEN + 4) + 1;
cc_param = (char*) xmalloc(cc_len);
channel_encoder_get_parameters(sp->channel_coder, cc_param, cc_len);
ccd = channel_get_coder_identity(sp->channel_coder);
n = (uint16_t)converter_get_count();
for (j = 0; j < n; j++) {
converter = converter_get_details(j);
if (sp->converter == converter->id) {
break;
}
}
n = repair_get_count();
for (j = 0; j < n; j++) {
repair = repair_get_details(j);
if (sp->repair == repair->id) {
break;
}
}
n = (int)audio_get_device_count();
for (i = 0; i < n; i++) {
add = audio_get_device_details(i);
if (sp->audio_device == add->descriptor) {
break;
}
}
af = audio_get_ifmt(sp->audio_device);
for(i = 0; i < audio_get_iport_count(sp->audio_device); i++) {
iapd = audio_get_iport_details(sp->audio_device, i);
if (iapd->port == audio_get_iport(sp->audio_device)) {
break;
}
}
for(i = 0; i < audio_get_oport_count(sp->audio_device); i++) {
oapd = audio_get_oport_details(sp->audio_device, i);
if (oapd->port == audio_get_oport(sp->audio_device)) {
break;
}
}
save_init_rtp();
my_ssrc = rtp_my_ssrc(sp->rtp_session[0]);
setting_save_str("rtpName", rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_NAME));
setting_save_str("rtpEmail", rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_EMAIL));
setting_save_str("rtpPhone", rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_PHONE));
setting_save_str("rtpLoc", rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_LOC));
setting_save_str("rtpNote", rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_NOTE));
save_done_rtp();
save_init_rat();
setting_save_str("audioTool", rtp_get_sdes(sp->rtp_session[0], my_ssrc, RTCP_SDES_TOOL));
setting_save_str("audioDevice", add->name);
setting_save_int("audioFrequency", af->sample_rate);
setting_save_int("audioChannelsIn", af->channels);
/* If we save a dynamically mapped codec we crash when we reload on startup */
if (pri_cf->default_pt != CODEC_PAYLOAD_DYNAMIC) {
setting_save_str("audioPrimary", pri_cf->short_name);
}
setting_save_int("audioUnits", channel_encoder_get_units_per_packet(sp->channel_coder));
/* Don't save the layered channel coder - you need to start it */
/* from the command line anyway */
if (strcmp(ccd->name, "Layering") == 0) {
setting_save_str("audioChannelCoding", "Vanilla");
} else {
setting_save_str("audioChannelCoding", ccd->name);
}
setting_save_str("audioChannelParameters", cc_param);
setting_save_str("audioRepair", repair->name);
setting_save_str("audioAutoConvert", converter->name);
setting_save_int("audioLimitPlayout", sp->limit_playout);
setting_save_int("audioMinPlayout", sp->min_playout);
setting_save_int("audioMaxPlayout", sp->max_playout);
setting_save_int("audioLecture", sp->lecture);
setting_save_int("audio3dRendering", sp->render_3d);
setting_save_int("audioAGC", sp->agc_on);
setting_save_int("audioLoopback", sp->loopback_gain);
setting_save_int("audioEchoSuppress", sp->echo_suppress);
setting_save_int("audioOutputGain", audio_get_ogain(sp->audio_device));
setting_save_int("audioInputGain", audio_get_igain(sp->audio_device));
setting_save_str("audioOutputPort", oapd->name);
setting_save_str("audioInputPort", iapd->name);
setting_save_int("audioPowermeters", sp->meter);
setting_save_str("audioSilence", sd_name(sp->silence_detection));
setting_save_int("audioSilenceManualThresh", sp->manual_sd_thresh);
/* We do not save audioOutputMute and audioInputMute by default, but should */
/* recognize them when reloading. */
save_done_rat();
xfree(cc_param);
}