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- /* $Id: simple_pjsua.c 3553 2011-05-05 06:14:19Z nanang $ */
- /*
- * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
- * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #include <pjsua-lib/pjsua.h>
- #include <pjsip.h>
- #include <pjmedia.h>
- #include <pjlib.h>
- #include <stdlib.h> /* atoi() */
- #include <stdio.h>
- #include <math.h> /* sin() */
- #define THIS_FILE "APP"
- #define SIP_DOMAIN "sip.antisip.com"
- #define SIP_USER "melangtone"
- #define SIP_PASSWD "b8DU9AZXbd9tVCWg"
- /* Struct attached to sine generator */
- typedef struct {
- } port_data;
- pjmedia_port *sine_port;
- int slot;
- /* This callback is called to feed more samples */
- static pj_status_t sine_get_frame(pjmedia_port *port,
- pjmedia_frame *frame) {
- port_data *sine = port->port_data.pdata;
- pj_int16_t *samples = frame->buf;
- pj_size_t count;
- if (PJMEDIA_PIA_CCNT(&port->info) != 1) {
- //todo throw exception
- }
- /* Get number of samples */
- count = frame->size / 2 / PJMEDIA_PIA_CCNT(&port->info);
- for (int i = 0; i < count; ++i) {
- samples[i] = 10000.8 * (i % 10);
- }
- /* Must set frame->type correctly, otherwise the sound device
- * will refuse to play.
- */
- frame->type = PJMEDIA_FRAME_TYPE_AUDIO;
- return PJ_SUCCESS;
- }
- static pj_status_t sine_put_frame(pjmedia_port *port,
- pjmedia_frame *frame) {
- int sum = 0;
- pj_int16_t *samples = frame->buf;
- for (int i = 0; i < frame->size / 2; i++) {
- sum += samples[i];
- }
- printf("%d\n", sum);
- return PJ_SUCCESS;
- }
- /*
- * Create a media port to generate sine wave samples.
- */
- static pj_status_t create_sine_port(pj_pool_t *pool,
- unsigned sampling_rate,
- unsigned channel_count,
- pjmedia_port **p_port) {
- pjmedia_port *port;
- unsigned i;
- unsigned count;
- pj_str_t name;
- port_data *sine;
- PJ_ASSERT_RETURN(pool && channel_count > 0 && channel_count <= 2, PJ_EINVAL);
- port = pj_pool_zalloc(pool, sizeof(pjmedia_port));
- PJ_ASSERT_RETURN(port != NULL, PJ_ENOMEM);
- /* Fill in port info. */
- name = pj_str("sine generator");
- pjmedia_port_info_init(&port->info, &name,
- PJMEDIA_SIG_CLASS_PORT_AUD('s', 'i'),
- sampling_rate,
- 1,
- 16, sampling_rate * 20 / 1000 * 1);
- /* Set the function to feed frame */
- port->get_frame = &sine_get_frame;
- port->put_frame = &sine_put_frame;
- /* Create sine port data */
- port->port_data.pdata = sine = pj_pool_zalloc(pool, sizeof(port_data));
- *p_port = port;
- return PJ_SUCCESS;
- }
- /* Callback called by the library upon receiving incoming call */
- static void on_incoming_call(pjsua_acc_id acc_id, pjsua_call_id call_id,
- pjsip_rx_data *rdata) {
- pjsua_call_info ci;
- PJ_UNUSED_ARG(acc_id);
- PJ_UNUSED_ARG(rdata);
- pjsua_call_get_info(call_id, &ci);
- PJ_LOG(3, (THIS_FILE, "Incoming call from %.*s!!",
- (int) ci.remote_info.slen,
- ci.remote_info.ptr));
- /* Automatically answer incoming calls with 200/OK */
- pjsua_call_answer(call_id, 200, NULL, NULL);
- }
- /* Callback called by the library when call's state has changed */
- static void on_call_state(pjsua_call_id call_id, pjsip_event *e) {
- pjsua_call_info ci;
- PJ_UNUSED_ARG(e);
- pjsua_call_get_info(call_id, &ci);
- PJ_LOG(3, (THIS_FILE, "Call %d state=%.*s", call_id,
- (int) ci.state_text.slen,
- ci.state_text.ptr));
- }
- /* Callback called by the library when call's media state has changed */
- static void on_call_media_state(pjsua_call_id call_id) {
- pjsua_call_info ci;
- pjsua_call_get_info(call_id, &ci);
- if (ci.media_status == PJSUA_CALL_MEDIA_ACTIVE) {
- // When media is active, connect call to sound device.
- pjsua_conf_connect(ci.conf_slot, slot);
- pjsua_conf_connect(slot, ci.conf_slot);
- }
- }
- /* Display error and exit application */
- static void error_exit(const char *title, pj_status_t status) {
- pjsua_perror(THIS_FILE, title, status);
- pjsua_destroy();
- exit(1);
- }
- /*
- * main()
- *
- * argv[1] may contain URL to call.
- */
- int main(int argc, char *argv[]) {
- pjsua_acc_id acc_id;
- pj_status_t status;
- pj_pool_t *pool;
- int channel_count = 1;
- /* Create pjsua first! */
- status = pjsua_create();
- if (status != PJ_SUCCESS) error_exit("Error in pjsua_create()", status);
- /* If argument is specified, it's got to be a valid SIP URL */
- if (argc > 1) {
- status = pjsua_verify_url(argv[1]);
- if (status != PJ_SUCCESS) error_exit("Invalid URL in argv", status);
- }
- /* Init pjsua */
- {
- pjsua_config cfg;
- pjsua_logging_config log_cfg;
- pjsua_config_default(&cfg);
- cfg.cb.on_incoming_call = &on_incoming_call;
- cfg.cb.on_call_media_state = &on_call_media_state;
- cfg.cb.on_call_state = &on_call_state;
- pjsua_logging_config_default(&log_cfg);
- log_cfg.console_level = 4;
- status = pjsua_init(&cfg, &log_cfg, NULL);
- if (status != PJ_SUCCESS) error_exit("Error in pjsua_init()", status);
- }
- /* Add UDP transport. */
- {
- pjsua_transport_config cfg;
- pjsua_transport_config_default(&cfg);
- cfg.port = 5060;
- status = pjsua_transport_create(PJSIP_TRANSPORT_UDP, &cfg, NULL);
- if (status != PJ_SUCCESS) error_exit("Error creating transport", status);
- }
- pj_caching_pool cp;
- pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
- pool = pj_pool_create(&cp.factory, /* pool factory */
- "wav", /* pool name. */
- 4000, /* init size */
- 4000, /* increment size */
- NULL /* callback on error */
- );
- status = create_sine_port(pool, /* memory pool */
- 8000, /* sampling rate */
- channel_count,/* # of channels */
- &sine_port /* returned port */
- );
- if (status != PJ_SUCCESS) {
- error_exit("Unable to create sine port", status);
- return 1;
- }
- pjsua_set_null_snd_dev();
- pjsua_conf_add_port(pool, sine_port, &slot);
- /* Initialization is done, now start pjsua */
- status = pjsua_start();
- if (status != PJ_SUCCESS) error_exit("Error starting pjsua", status);
- /* Register to SIP server by creating SIP account. */
- {
- pjsua_acc_config cfg;
- pjsua_acc_config_default(&cfg);
- cfg.id = pj_str("sip:" SIP_USER "@" SIP_DOMAIN);
- cfg.reg_uri = pj_str("sip:" SIP_DOMAIN);
- cfg.cred_count = 1;
- cfg.cred_info[0].realm = pj_str(SIP_DOMAIN);
- cfg.cred_info[0].scheme = pj_str("digest");
- cfg.cred_info[0].username = pj_str(SIP_USER);
- cfg.cred_info[0].data_type = PJSIP_CRED_DATA_PLAIN_PASSWD;
- cfg.cred_info[0].data = pj_str(SIP_PASSWD);
- status = pjsua_acc_add(&cfg, PJ_TRUE, &acc_id);
- if (status != PJ_SUCCESS) error_exit("Error adding account", status);
- }
- /* Wait until user press "q" to quit. */
- for (; ;) {
- char option[10];
- puts("Press 'h' to hangup all calls, 'q' to quit");
- if (fgets(option, sizeof(option), stdin) == NULL) {
- puts("EOF while reading stdin, will quit now..");
- break;
- }
- if (option[0] == 'q')
- break;
- if (option[0] == 'h')
- pjsua_call_hangup_all();
- }
- /* Destroy pjsua */
- pjsua_destroy();
- return 0;
- }
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