static void destroy_stack(void)
{
enum { WAIT_CLEAR = 5000, WAIT_INTERVAL = 500 };
unsigned i;
PJ_LOG(3,(THIS_FILE, "Shutting down.."));
/* Wait until all clear */
hangup_all();
for (i=0; i<WAIT_CLEAR/WAIT_INTERVAL; ++i) {
unsigned j;
for (j=0; j<MAX_CALLS; ++j) {
call_t *call = &app.call[j];
if (call->inv && call->inv->state <= PJSIP_INV_STATE_CONFIRMED)
break;
}
if (j==MAX_CALLS)
return;
pj_thread_sleep(WAIT_INTERVAL);
}
app.quit = PJ_TRUE;
if (app.worker_thread) {
pj_thread_join(app.worker_thread);
app.worker_thread = NULL;
}
//if (app.med_endpt)
//pjmedia_endpt_destroy(app.med_endpt);
if (app.sip_endpt)
pjsip_endpt_destroy(app.sip_endpt);
if (app.pool)
pj_pool_release(app.pool);
dump_pool_usage(THIS_FILE, &app.cp);
pj_caching_pool_destroy(&app.cp);
}
/*
* main()
*
* If called with argument, treat argument as SIP URL to be called.
* Otherwise wait for incoming calls.
*/
int main(int argc, char *argv[])
{
pj_pool_t *pool = NULL;
pj_status_t status;
unsigned i;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
pj_log_set_level(5);
/* Then init PJLIB-UTIL: */
status = pjlib_util_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/* Create global endpoint: */
{
const pj_str_t *hostname;
const char *endpt_name;
/* Endpoint MUST be assigned a globally unique name.
* The name will be used as the hostname in Warning header.
*/
/* For this implementation, we'll use hostname for simplicity */
hostname = pj_gethostname();
endpt_name = hostname->ptr;
/* Create the endpoint: */
status = pjsip_endpt_create(&cp.factory, endpt_name,
&g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/*
* Add UDP transport, with hard-coded port
* Alternatively, application can use pjsip_udp_transport_attach() to
* start UDP transport, if it already has an UDP socket (e.g. after it
* resolves the address with STUN).
*/
{
pj_sockaddr addr;
pj_sockaddr_init(AF, &addr, NULL, (pj_uint16_t)SIP_PORT);
if (AF == pj_AF_INET()) {
status = pjsip_udp_transport_start( g_endpt, &addr.ipv4, NULL,
1, NULL);
} else if (AF == pj_AF_INET6()) {
status = pjsip_udp_transport_start6(g_endpt, &addr.ipv6, NULL,
1, NULL);
} else {
status = PJ_EAFNOTSUP;
}
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to start UDP transport", status);
return 1;
}
}
/*
* Init transaction layer.
* This will create/initialize transaction hash tables etc.
*/
status = pjsip_tsx_layer_init_module(g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Initialize UA layer module.
* This will create/initialize dialog hash tables etc.
*/
status = pjsip_ua_init_module( g_endpt, NULL );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Init invite session module.
* The invite session module initialization takes additional argument,
* i.e. a structure containing callbacks to be called on specific
* occurence of events.
*
* The on_state_changed and on_new_session callbacks are mandatory.
* Application must supply the callback function.
*
* We use on_media_update() callback in this application to start
* media transmission.
*/
{
pjsip_inv_callback inv_cb;
/* Init the callback for INVITE session: */
pj_bzero(&inv_cb, sizeof(inv_cb));
inv_cb.on_state_changed = &call_on_state_changed;
inv_cb.on_new_session = &call_on_forked;
inv_cb.on_media_update = &call_on_media_update;
/* Initialize invite session module: */
status = pjsip_inv_usage_init(g_endpt, &inv_cb);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* Initialize 100rel support */
status = pjsip_100rel_init_module(g_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
/*
* Register our module to receive incoming requests.
*/
status = pjsip_endpt_register_module( g_endpt, &mod_simpleua);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Register message logger module.
*/
status = pjsip_endpt_register_module( g_endpt, &msg_logger);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Initialize media endpoint.
* This will implicitly initialize PJMEDIA too.
*/
#if PJ_HAS_THREADS
status = pjmedia_endpt_create(&cp.factory, NULL, 1, &g_med_endpt);
#else
status = pjmedia_endpt_create(&cp.factory,
pjsip_endpt_get_ioqueue(g_endpt),
0, &g_med_endpt);
#endif
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/*
* Add PCMA/PCMU codec to the media endpoint.
*/
#if defined(PJMEDIA_HAS_G711_CODEC) && PJMEDIA_HAS_G711_CODEC!=0
status = pjmedia_codec_g711_init(g_med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
#endif
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
/* Init video subsystem */
pool = pjmedia_endpt_create_pool(g_med_endpt, "Video subsystem", 512, 512);
status = pjmedia_video_format_mgr_create(pool, 64, 0, NULL);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_converter_mgr_create(pool, NULL);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_vid_codec_mgr_create(pool, NULL);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
status = pjmedia_vid_dev_subsys_init(&cp.factory);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
# if defined(PJMEDIA_HAS_FFMPEG_VID_CODEC) && PJMEDIA_HAS_FFMPEG_VID_CODEC!=0
/* Init ffmpeg video codecs */
status = pjmedia_codec_ffmpeg_vid_init(NULL, &cp.factory);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
# endif /* PJMEDIA_HAS_FFMPEG_VID_CODEC */
#endif /* PJMEDIA_HAS_VIDEO */
/*
* Create media transport used to send/receive RTP/RTCP socket.
* One media transport is needed for each call. Application may
* opt to re-use the same media transport for subsequent calls.
*/
for (i = 0; i < PJ_ARRAY_SIZE(g_med_transport); ++i) {
status = pjmedia_transport_udp_create3(g_med_endpt, AF, NULL, NULL,
RTP_PORT + i*2, 0,
&g_med_transport[i]);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create media transport", status);
return 1;
}
/*
* Get socket info (address, port) of the media transport. We will
* need this info to create SDP (i.e. the address and port info in
* the SDP).
*/
pjmedia_transport_info_init(&g_med_tpinfo[i]);
pjmedia_transport_get_info(g_med_transport[i], &g_med_tpinfo[i]);
pj_memcpy(&g_sock_info[i], &g_med_tpinfo[i].sock_info,
sizeof(pjmedia_sock_info));
}
/*
* If URL is specified, then make call immediately.
*/
if (argc > 1) {
pj_sockaddr hostaddr;
char hostip[PJ_INET6_ADDRSTRLEN+2];
char temp[80];
pj_str_t dst_uri = pj_str(argv[1]);
pj_str_t local_uri;
pjsip_dialog *dlg;
pjmedia_sdp_session *local_sdp;
pjsip_tx_data *tdata;
if (pj_gethostip(AF, &hostaddr) != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to retrieve local host IP", status);
return 1;
}
pj_sockaddr_print(&hostaddr, hostip, sizeof(hostip), 2);
pj_ansi_sprintf(temp, "<sip:simpleuac@%s:%d>",
hostip, SIP_PORT);
local_uri = pj_str(temp);
/* Create UAC dialog */
status = pjsip_dlg_create_uac( pjsip_ua_instance(),
&local_uri, /* local URI */
&local_uri, /* local Contact */
&dst_uri, /* remote URI */
&dst_uri, /* remote target */
&dlg); /* dialog */
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create UAC dialog", status);
return 1;
}
/* If we expect the outgoing INVITE to be challenged, then we should
* put the credentials in the dialog here, with something like this:
*
{
pjsip_cred_info cred[1];
cred[0].realm = pj_str("sip.server.realm");
cred[0].scheme = pj_str("digest");
cred[0].username = pj_str("theuser");
cred[0].data_type = PJSIP_CRED_DATA_PLAIN_PASSWD;
cred[0].data = pj_str("thepassword");
pjsip_auth_clt_set_credentials( &dlg->auth_sess, 1, cred);
}
*
*/
/* Get the SDP body to be put in the outgoing INVITE, by asking
* media endpoint to create one for us.
*/
status = pjmedia_endpt_create_sdp( g_med_endpt, /* the media endpt */
dlg->pool, /* pool. */
MAX_MEDIA_CNT, /* # of streams */
g_sock_info, /* RTP sock info */
&local_sdp); /* the SDP result */
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Create the INVITE session, and pass the SDP returned earlier
* as the session's initial capability.
*/
status = pjsip_inv_create_uac( dlg, local_sdp, 0, &g_inv);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* If we want the initial INVITE to travel to specific SIP proxies,
* then we should put the initial dialog's route set here. The final
* route set will be updated once a dialog has been established.
* To set the dialog's initial route set, we do it with something
* like this:
*
{
pjsip_route_hdr route_set;
pjsip_route_hdr *route;
const pj_str_t hname = { "Route", 5 };
char *uri = "sip:proxy.server;lr";
pj_list_init(&route_set);
route = pjsip_parse_hdr( dlg->pool, &hname,
uri, strlen(uri),
NULL);
PJ_ASSERT_RETURN(route != NULL, 1);
pj_list_push_back(&route_set, route);
pjsip_dlg_set_route_set(dlg, &route_set);
}
*
* Note that Route URI SHOULD have an ";lr" parameter!
*/
/* Create initial INVITE request.
* This INVITE request will contain a perfectly good request and
* an SDP body as well.
*/
status = pjsip_inv_invite(g_inv, &tdata);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Send initial INVITE request.
* From now on, the invite session's state will be reported to us
* via the invite session callbacks.
*/
status = pjsip_inv_send_msg(g_inv, tdata);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
} else {
/* No URL to make call to */
PJ_LOG(3,(THIS_FILE, "Ready to accept incoming calls..."));
}
/* Loop until one call is completed */
for (;!g_complete;) {
pj_time_val timeout = {0, 10};
pjsip_endpt_handle_events(g_endpt, &timeout);
}
/* On exit, dump current memory usage: */
dump_pool_usage(THIS_FILE, &cp);
/* Destroy audio ports. Destroy the audio port first
* before the stream since the audio port has threads
* that get/put frames to the stream.
*/
if (g_snd_port)
pjmedia_snd_port_destroy(g_snd_port);
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
/* Destroy video ports */
if (g_vid_capturer)
pjmedia_vid_port_destroy(g_vid_capturer);
if (g_vid_renderer)
pjmedia_vid_port_destroy(g_vid_renderer);
#endif
/* Destroy streams */
if (g_med_stream)
pjmedia_stream_destroy(g_med_stream);
#if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0)
if (g_med_vstream)
pjmedia_vid_stream_destroy(g_med_vstream);
/* Deinit ffmpeg codec */
# if defined(PJMEDIA_HAS_FFMPEG_VID_CODEC) && PJMEDIA_HAS_FFMPEG_VID_CODEC!=0
pjmedia_codec_ffmpeg_vid_deinit();
# endif
#endif
/* Destroy media transports */
for (i = 0; i < MAX_MEDIA_CNT; ++i) {
if (g_med_transport[i])
pjmedia_transport_close(g_med_transport[i]);
}
/* Deinit pjmedia endpoint */
if (g_med_endpt)
pjmedia_endpt_destroy(g_med_endpt);
/* Deinit pjsip endpoint */
if (g_endpt)
pjsip_endpt_destroy(g_endpt);
/* Release pool */
if (pool)
pj_pool_release(pool);
return 0;
}
/*****************************************************************************
* main()
*/
int main(int argc, char *argv[])
{
int dev_id = -1;
int clock_rate = CLOCK_RATE;
int channel_count = NCHANNELS;
int samples_per_frame = NSAMPLES;
int bits_per_sample = NBITS;
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_conf *conf;
int i, port_count, file_count;
pjmedia_port **file_port; /* Array of file ports */
pjmedia_port *rec_port = NULL; /* Wav writer port */
char tmp[10];
pj_status_t status;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Get command line options. */
if (get_snd_options(THIS_FILE, argc, argv, &dev_id, &clock_rate,
&channel_count, &samples_per_frame, &bits_per_sample))
{
usage();
return 1;
}
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/*
* Initialize media endpoint.
* This will implicitly initialize PJMEDIA too.
*/
status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Create memory pool to allocate memory */
pool = pj_pool_create( &cp.factory, /* pool factory */
"wav", /* pool name. */
4000, /* init size */
4000, /* increment size */
NULL /* callback on error */
);
file_count = argc - pj_optind;
port_count = file_count + 1 + RECORDER;
/* Create the conference bridge.
* With default options (zero), the bridge will create an instance of
* sound capture and playback device and connect them to slot zero.
*/
status = pjmedia_conf_create( pool, /* pool to use */
port_count,/* number of ports */
clock_rate,
channel_count,
samples_per_frame,
bits_per_sample,
0, /* options */
&conf /* result */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create conference bridge", status);
return 1;
}
#if RECORDER
status = pjmedia_wav_writer_port_create( pool, "confrecord.wav",
clock_rate, channel_count,
samples_per_frame,
bits_per_sample, 0, 0,
&rec_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create WAV writer", status);
return 1;
}
pjmedia_conf_add_port(conf, pool, rec_port, NULL, NULL);
#endif
/* Create file ports. */
file_port = pj_pool_alloc(pool, file_count * sizeof(pjmedia_port*));
for (i=0; i<file_count; ++i) {
/* Load the WAV file to file port. */
status = pjmedia_wav_player_port_create(
pool, /* pool. */
argv[i+pj_optind], /* filename */
0, /* use default ptime */
0, /* flags */
0, /* buf size */
&file_port[i] /* result */
);
if (status != PJ_SUCCESS) {
char title[80];
pj_ansi_sprintf(title, "Unable to use %s", argv[i+pj_optind]);
app_perror(THIS_FILE, title, status);
usage();
return 1;
}
/* Add the file port to conference bridge */
status = pjmedia_conf_add_port( conf, /* The bridge */
pool, /* pool */
file_port[i], /* port to connect */
NULL, /* Use port's name */
NULL /* ptr for slot # */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to add conference port", status);
return 1;
}
}
/*
* All ports are set up in the conference bridge.
* But at this point, no media will be flowing since no ports are
* "connected". User must connect the port manually.
*/
/* Dump memory usage */
dump_pool_usage(THIS_FILE, &cp);
/* Sleep to allow log messages to flush */
pj_thread_sleep(100);
/*
* UI Menu:
*/
for (;;) {
char tmp1[10];
char tmp2[10];
char *err;
int src, dst, level, dur;
puts("");
conf_list(conf, 0);
puts("");
puts("Menu:");
puts(" s Show ports details");
puts(" c Connect one port to another");
puts(" d Disconnect port connection");
puts(" t Adjust signal level transmitted (tx) to a port");
puts(" r Adjust signal level received (rx) from a port");
puts(" v Display VU meter for a particular port");
puts(" q Quit");
puts("");
printf("Enter selection: "); fflush(stdout);
if (fgets(tmp, sizeof(tmp), stdin) == NULL)
break;
switch (tmp[0]) {
case 's':
puts("");
conf_list(conf, 1);
break;
case 'c':
puts("");
puts("Connect source port to destination port");
if (!input("Enter source port number", tmp1, sizeof(tmp1)) )
continue;
src = strtol(tmp1, &err, 10);
if (*err || src < 0 || src >= port_count) {
puts("Invalid slot number");
continue;
}
if (!input("Enter destination port number", tmp2, sizeof(tmp2)) )
continue;
dst = strtol(tmp2, &err, 10);
if (*err || dst < 0 || dst >= port_count) {
puts("Invalid slot number");
continue;
}
status = pjmedia_conf_connect_port(conf, src, dst, 0);
if (status != PJ_SUCCESS)
app_perror(THIS_FILE, "Error connecting port", status);
break;
case 'd':
puts("");
puts("Disconnect port connection");
if (!input("Enter source port number", tmp1, sizeof(tmp1)) )
continue;
src = strtol(tmp1, &err, 10);
if (*err || src < 0 || src >= port_count) {
puts("Invalid slot number");
continue;
}
if (!input("Enter destination port number", tmp2, sizeof(tmp2)) )
continue;
dst = strtol(tmp2, &err, 10);
if (*err || dst < 0 || dst >= port_count) {
puts("Invalid slot number");
continue;
}
status = pjmedia_conf_disconnect_port(conf, src, dst);
if (status != PJ_SUCCESS)
app_perror(THIS_FILE, "Error connecting port", status);
break;
case 't':
puts("");
puts("Adjust transmit level of a port");
if (!input("Enter port number", tmp1, sizeof(tmp1)) )
continue;
src = strtol(tmp1, &err, 10);
if (*err || src < 0 || src >= port_count) {
puts("Invalid slot number");
continue;
}
if (!input("Enter level (-128 to >127, 0 for normal)",
tmp2, sizeof(tmp2)) )
continue;
level = strtol(tmp2, &err, 10);
if (*err || level < -128) {
puts("Invalid level");
continue;
}
status = pjmedia_conf_adjust_tx_level( conf, src, level);
if (status != PJ_SUCCESS)
app_perror(THIS_FILE, "Error adjusting level", status);
break;
case 'r':
puts("");
puts("Adjust receive level of a port");
if (!input("Enter port number", tmp1, sizeof(tmp1)) )
continue;
src = strtol(tmp1, &err, 10);
if (*err || src < 0 || src >= port_count) {
puts("Invalid slot number");
continue;
}
if (!input("Enter level (-128 to >127, 0 for normal)",
tmp2, sizeof(tmp2)) )
continue;
level = strtol(tmp2, &err, 10);
if (*err || level < -128) {
puts("Invalid level");
continue;
}
status = pjmedia_conf_adjust_rx_level( conf, src, level);
if (status != PJ_SUCCESS)
app_perror(THIS_FILE, "Error adjusting level", status);
break;
case 'v':
puts("");
puts("Display VU meter");
if (!input("Enter port number to monitor", tmp1, sizeof(tmp1)) )
continue;
src = strtol(tmp1, &err, 10);
if (*err || src < 0 || src >= port_count) {
puts("Invalid slot number");
continue;
}
if (!input("Enter r for rx level or t for tx level", tmp2, sizeof(tmp2)))
continue;
if (tmp2[0] != 'r' && tmp2[0] != 't') {
puts("Invalid option");
continue;
}
if (!input("Duration to monitor (in seconds)", tmp1, sizeof(tmp1)) )
continue;
dur = strtol(tmp1, &err, 10);
if (*err) {
puts("Invalid duration number");
continue;
}
monitor_level(conf, src, tmp2[0], dur);
break;
case 'q':
goto on_quit;
default:
printf("Invalid input character '%c'\n", tmp[0]);
break;
}
}
on_quit:
/* Start deinitialization: */
/* Destroy conference bridge */
status = pjmedia_conf_destroy( conf );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Destroy file ports */
for (i=0; i<file_count; ++i) {
status = pjmedia_port_destroy( file_port[i]);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* Destroy recorder port */
if (rec_port)
pjmedia_port_destroy(rec_port);
/* Release application pool */
pj_pool_release( pool );
/* Destroy media endpoint. */
pjmedia_endpt_destroy( med_endpt );
/* Destroy pool factory */
pj_caching_pool_destroy( &cp );
/* Shutdown PJLIB */
pj_shutdown();
/* Done. */
return 0;
}
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_port *file_port;
pjmedia_port *resample_port;
pjmedia_snd_port *snd_port;
char tmp[10];
pj_status_t status;
int dev_id = -1;
int sampling_rate = CLOCK_RATE;
int channel_count = NCHANNELS;
int samples_per_frame = NSAMPLES;
int bits_per_sample = NBITS;
//int ptime;
//int down_samples;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Get options */
if (get_snd_options(THIS_FILE, argc, argv, &dev_id, &sampling_rate,
&channel_count, &samples_per_frame, &bits_per_sample))
{
puts("");
puts(desc);
return 1;
}
if (!argv[pj_optind]) {
puts("Error: no file is specified");
puts(desc);
return 1;
}
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/*
* Initialize media endpoint.
* This will implicitly initialize PJMEDIA too.
*/
status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Create memory pool for our file player */
pool = pj_pool_create( &cp.factory, /* pool factory */
"app", /* pool name. */
4000, /* init size */
4000, /* increment size */
NULL /* callback on error */
);
/* Create the file port. */
status = pjmedia_wav_player_port_create( pool, argv[pj_optind], 0, 0,
0, &file_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open file", status);
return 1;
}
/* File must have same number of channels. */
if (PJMEDIA_PIA_CCNT(&file_port->info) != (unsigned)channel_count) {
PJ_LOG(3,(THIS_FILE, "Error: file has different number of channels. "
"Perhaps you'd need -c option?"));
pjmedia_port_destroy(file_port);
return 1;
}
/* Calculate number of samples per frame to be taken from file port */
//ptime = samples_per_frame * 1000 / sampling_rate;
/* Create the resample port. */
status = pjmedia_resample_port_create( pool, file_port,
sampling_rate, 0,
&resample_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create resample port", status);
return 1;
}
/* Create sound player port. */
status = pjmedia_snd_port_create(
pool, /* pool */
dev_id, /* device */
dev_id, /* device */
sampling_rate, /* clock rate. */
channel_count, /* # of channels. */
samples_per_frame, /* samples per frame. */
bits_per_sample, /* bits per sample. */
0, /* options */
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open sound device", status);
return 1;
}
/* Connect resample port to sound device */
status = pjmedia_snd_port_connect( snd_port, resample_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Error connecting sound ports", status);
return 1;
}
/* Dump memory usage */
dump_pool_usage(THIS_FILE, &cp);
/*
* File should be playing and looping now, using sound device's thread.
*/
/* Sleep to allow log messages to flush */
pj_thread_sleep(100);
printf("Playing %s at sampling rate %d (original file sampling rate=%d)\n",
argv[pj_optind], sampling_rate,
PJMEDIA_PIA_SRATE(&file_port->info));
puts("");
puts("Press <ENTER> to stop playing and quit");
if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
puts("EOF while reading stdin, will quit now..");
}
/* Start deinitialization: */
/* Destroy sound device */
status = pjmedia_snd_port_destroy( snd_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Destroy resample port.
* This will destroy all downstream ports (e.g. the file port)
*/
status = pjmedia_port_destroy( resample_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Release application pool */
pj_pool_release( pool );
/* Destroy media endpoint. */
pjmedia_endpt_destroy( med_endpt );
/* Destroy pool factory */
pj_caching_pool_destroy( &cp );
/* Shutdown PJLIB */
pj_shutdown();
/* Done. */
return 0;
}
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pjmedia_endpt *med_endpt;
pj_pool_t *pool;
pjmedia_port *file_port = NULL;
pjmedia_port *stereo_port = NULL;
pjmedia_snd_port *snd_port = NULL;
int dev_id = -1;
char tmp[10];
pj_status_t status;
char *wav_file = NULL;
unsigned mode = 0;
unsigned rec_ch_cnt = 1;
unsigned snd_ch_cnt = 2;
enum {
OPT_MODE = 'm',
OPT_REC_CHANNEL = 'C',
OPT_SND_CHANNEL = 'c',
};
struct pj_getopt_option long_options[] = {
{ "mode", 1, 0, OPT_MODE },
{ "rec-ch-cnt", 1, 0, OPT_REC_CHANNEL },
{ "snd-ch-cnt", 1, 0, OPT_SND_CHANNEL },
{ NULL, 0, 0, 0 },
};
int c;
int option_index;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Parse arguments */
pj_optind = 0;
while((c=pj_getopt_long(argc,argv, "m:C:c:", long_options, &option_index))!=-1) {
switch (c) {
case OPT_MODE:
if (mode) {
app_perror(THIS_FILE, "Cannot record and play at once!",
PJ_EINVAL);
return 1;
}
mode = atoi(pj_optarg);
break;
case OPT_REC_CHANNEL:
rec_ch_cnt = atoi(pj_optarg);
break;
case OPT_SND_CHANNEL:
snd_ch_cnt = atoi(pj_optarg);
break;
default:
printf("Invalid options %s\n", argv[pj_optind]);
puts(desc);
return 1;
}
}
wav_file = argv[pj_optind];
/* Verify arguments. */
if (!wav_file) {
app_perror(THIS_FILE, "WAV file not specified!", PJ_EINVAL);
puts(desc);
return 1;
}
if (!snd_ch_cnt || !rec_ch_cnt || rec_ch_cnt > 6) {
app_perror(THIS_FILE, "Invalid or too many channel count!", PJ_EINVAL);
puts(desc);
return 1;
}
if (mode != MODE_RECORD && mode != MODE_PLAY) {
app_perror(THIS_FILE, "Invalid operation mode!", PJ_EINVAL);
puts(desc);
return 1;
}
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/*
* Initialize media endpoint.
* This will implicitly initialize PJMEDIA too.
*/
status = pjmedia_endpt_create(&cp.factory, NULL, 1, &med_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Create memory pool for our file player */
pool = pj_pool_create( &cp.factory, /* pool factory */
"app", /* pool name. */
4000, /* init size */
4000, /* increment size */
NULL /* callback on error */
);
if (mode == MODE_PLAY) {
/* Create WAVE file player port. */
status = pjmedia_wav_player_port_create( pool, wav_file, PTIME, 0,
0, &file_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open file", status);
return 1;
}
/* Create sound player port. */
status = pjmedia_snd_port_create_player(
pool, /* pool */
dev_id, /* device id. */
PJMEDIA_PIA_SRATE(&file_port->info),/* clock rate. */
snd_ch_cnt, /* # of channels. */
snd_ch_cnt * PTIME * /* samples per frame. */
PJMEDIA_PIA_SRATE(&file_port->info) / 1000,
PJMEDIA_PIA_BITS(&file_port->info),/* bits per sample. */
0, /* options */
15,
5,
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open sound device", status);
return 1;
}
if (snd_ch_cnt != PJMEDIA_PIA_CCNT(&file_port->info)) {
status = pjmedia_stereo_port_create( pool,
file_port,
snd_ch_cnt,
0,
&stereo_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create stereo port", status);
return 1;
}
status = pjmedia_snd_port_connect(snd_port, stereo_port);
} else {
status = pjmedia_snd_port_connect(snd_port, file_port);
}
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to connect sound port", status);
return 1;
}
} else {
/* Create WAVE file writer port. */
status = pjmedia_wav_writer_port_create(pool, wav_file,
REC_CLOCK_RATE,
rec_ch_cnt,
rec_ch_cnt * PTIME *
REC_CLOCK_RATE / 1000,
NBITS,
0, 0,
&file_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open file", status);
return 1;
}
/* Create sound player port. */
status = pjmedia_snd_port_create_rec(
pool, /* pool */
dev_id, /* device id. */
REC_CLOCK_RATE, /* clock rate. */
snd_ch_cnt, /* # of channels. */
snd_ch_cnt * PTIME *
REC_CLOCK_RATE / 1000, /* samples per frame. */
NBITS, /* bits per sample. */
0, /* options */
15,
5,
&snd_port /* returned port */
);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to open sound device", status);
return 1;
}
if (rec_ch_cnt != snd_ch_cnt) {
status = pjmedia_stereo_port_create( pool,
file_port,
snd_ch_cnt,
0,
&stereo_port);
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to create stereo port", status);
return 1;
}
status = pjmedia_snd_port_connect(snd_port, stereo_port);
} else {
status = pjmedia_snd_port_connect(snd_port, file_port);
}
if (status != PJ_SUCCESS) {
app_perror(THIS_FILE, "Unable to connect sound port", status);
return 1;
}
}
/* Dump memory usage */
dump_pool_usage(THIS_FILE, &cp);
/*
* File should be playing and looping now, using sound device's thread.
*/
/* Sleep to allow log messages to flush */
pj_thread_sleep(100);
printf("Mode = %s\n", (mode == MODE_PLAY? "playing" : "recording") );
printf("File port channel count = %d\n", PJMEDIA_PIA_CCNT(&file_port->info));
printf("Sound port channel count = %d\n",
PJMEDIA_PIA_CCNT(&pjmedia_snd_port_get_port(snd_port)->info));
puts("");
puts("Press <ENTER> to stop and quit");
if (fgets(tmp, sizeof(tmp), stdin) == NULL) {
puts("EOF while reading stdin, will quit now..");
}
/* Start deinitialization: */
/* Destroy sound device */
status = pjmedia_snd_port_destroy( snd_port );
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Destroy stereo port and file_port.
* Stereo port will destroy all downstream ports (e.g. the file port)
*/
status = pjmedia_port_destroy( stereo_port? stereo_port : file_port);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Release application pool */
pj_pool_release( pool );
/* Destroy media endpoint. */
pjmedia_endpt_destroy( med_endpt );
/* Destroy pool factory */
pj_caching_pool_destroy( &cp );
/* Shutdown PJLIB */
pj_shutdown();
/* Done. */
return 0;
}
