* #27232: jni: added pjproject checkout as regular git content
We will remove it once the next release of pjsip (with Android support)
comes out and is merged into SFLphone.
diff --git a/jni/pjproject-android/pjsip-apps/src/pjsua/pjsua_app.c b/jni/pjproject-android/pjsip-apps/src/pjsua/pjsua_app.c
new file mode 100644
index 0000000..6257543
--- /dev/null
+++ b/jni/pjproject-android/pjsip-apps/src/pjsua/pjsua_app.c
@@ -0,0 +1,2079 @@
+/* $Id: pjsua_app.c 4525 2013-05-28 12:03:36Z riza $ */
+/*
+ * 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_app.h"
+
+#define THIS_FILE "pjsua_app.c"
+
+//#define STEREO_DEMO
+//#define TRANSPORT_ADAPTER_SAMPLE
+//#define HAVE_MULTIPART_TEST
+
+/* Ringtones US UK */
+#define RINGBACK_FREQ1 440 /* 400 */
+#define RINGBACK_FREQ2 480 /* 450 */
+#define RINGBACK_ON 2000 /* 400 */
+#define RINGBACK_OFF 4000 /* 200 */
+#define RINGBACK_CNT 1 /* 2 */
+#define RINGBACK_INTERVAL 4000 /* 2000 */
+
+#define RING_FREQ1 800
+#define RING_FREQ2 640
+#define RING_ON 200
+#define RING_OFF 100
+#define RING_CNT 3
+#define RING_INTERVAL 3000
+
+#define current_acc pjsua_acc_get_default()
+
+#ifdef STEREO_DEMO
+static void stereo_demo();
+#endif
+
+static void ringback_start(pjsua_call_id call_id);
+static void ring_start(pjsua_call_id call_id);
+static void ring_stop(pjsua_call_id call_id);
+static pj_status_t app_init();
+static pj_status_t app_destroy();
+
+static pjsua_app_cfg_t app_cfg;
+pj_str_t uri_arg;
+pj_bool_t app_running = PJ_FALSE;
+
+/*****************************************************************************
+ * Configuration manipulation
+ */
+
+/*****************************************************************************
+ * Callback
+ */
+static void ringback_start(pjsua_call_id call_id)
+{
+ if (app_config.no_tones)
+ return;
+
+ if (app_config.call_data[call_id].ringback_on)
+ return;
+
+ app_config.call_data[call_id].ringback_on = PJ_TRUE;
+
+ if (++app_config.ringback_cnt==1 &&
+ app_config.ringback_slot!=PJSUA_INVALID_ID)
+ {
+ pjsua_conf_connect(app_config.ringback_slot, 0);
+ }
+}
+
+static void ring_stop(pjsua_call_id call_id)
+{
+ if (app_config.no_tones)
+ return;
+
+ if (app_config.call_data[call_id].ringback_on) {
+ app_config.call_data[call_id].ringback_on = PJ_FALSE;
+
+ pj_assert(app_config.ringback_cnt>0);
+ if (--app_config.ringback_cnt == 0 &&
+ app_config.ringback_slot!=PJSUA_INVALID_ID)
+ {
+ pjsua_conf_disconnect(app_config.ringback_slot, 0);
+ pjmedia_tonegen_rewind(app_config.ringback_port);
+ }
+ }
+
+ if (app_config.call_data[call_id].ring_on) {
+ app_config.call_data[call_id].ring_on = PJ_FALSE;
+
+ pj_assert(app_config.ring_cnt>0);
+ if (--app_config.ring_cnt == 0 &&
+ app_config.ring_slot!=PJSUA_INVALID_ID)
+ {
+ pjsua_conf_disconnect(app_config.ring_slot, 0);
+ pjmedia_tonegen_rewind(app_config.ring_port);
+ }
+ }
+}
+
+static void ring_start(pjsua_call_id call_id)
+{
+ if (app_config.no_tones)
+ return;
+
+ if (app_config.call_data[call_id].ring_on)
+ return;
+
+ app_config.call_data[call_id].ring_on = PJ_TRUE;
+
+ if (++app_config.ring_cnt==1 &&
+ app_config.ring_slot!=PJSUA_INVALID_ID)
+ {
+ pjsua_conf_connect(app_config.ring_slot, 0);
+ }
+}
+
+/* Callback from timer when the maximum call duration has been
+ * exceeded.
+ */
+static void call_timeout_callback(pj_timer_heap_t *timer_heap,
+ struct pj_timer_entry *entry)
+{
+ pjsua_call_id call_id = entry->id;
+ pjsua_msg_data msg_data;
+ pjsip_generic_string_hdr warn;
+ pj_str_t hname = pj_str("Warning");
+ pj_str_t hvalue = pj_str("399 pjsua \"Call duration exceeded\"");
+
+ PJ_UNUSED_ARG(timer_heap);
+
+ if (call_id == PJSUA_INVALID_ID) {
+ PJ_LOG(1,(THIS_FILE, "Invalid call ID in timer callback"));
+ return;
+ }
+
+ /* Add warning header */
+ pjsua_msg_data_init(&msg_data);
+ pjsip_generic_string_hdr_init2(&warn, &hname, &hvalue);
+ pj_list_push_back(&msg_data.hdr_list, &warn);
+
+ /* Call duration has been exceeded; disconnect the call */
+ PJ_LOG(3,(THIS_FILE, "Duration (%d seconds) has been exceeded "
+ "for call %d, disconnecting the call",
+ app_config.duration, call_id));
+ entry->id = PJSUA_INVALID_ID;
+ pjsua_call_hangup(call_id, 200, NULL, &msg_data);
+}
+
+/*
+ * Handler when invite state has changed.
+ */
+static void on_call_state(pjsua_call_id call_id, pjsip_event *e)
+{
+ pjsua_call_info call_info;
+
+ PJ_UNUSED_ARG(e);
+
+ pjsua_call_get_info(call_id, &call_info);
+
+ if (call_info.state == PJSIP_INV_STATE_DISCONNECTED) {
+
+ /* Stop all ringback for this call */
+ ring_stop(call_id);
+
+ /* Cancel duration timer, if any */
+ if (app_config.call_data[call_id].timer.id != PJSUA_INVALID_ID) {
+ app_call_data *cd = &app_config.call_data[call_id];
+ pjsip_endpoint *endpt = pjsua_get_pjsip_endpt();
+
+ cd->timer.id = PJSUA_INVALID_ID;
+ pjsip_endpt_cancel_timer(endpt, &cd->timer);
+ }
+
+ /* Rewind play file when hangup automatically,
+ * since file is not looped
+ */
+ if (app_config.auto_play_hangup)
+ pjsua_player_set_pos(app_config.wav_id, 0);
+
+
+ PJ_LOG(3,(THIS_FILE, "Call %d is DISCONNECTED [reason=%d (%s)]",
+ call_id,
+ call_info.last_status,
+ call_info.last_status_text.ptr));
+
+ if (call_id == current_call) {
+ find_next_call();
+ }
+
+ /* Dump media state upon disconnected */
+ if (1) {
+ PJ_LOG(5,(THIS_FILE,
+ "Call %d disconnected, dumping media stats..",
+ call_id));
+ log_call_dump(call_id);
+ }
+
+ } else {
+
+ if (app_config.duration != PJSUA_APP_NO_LIMIT_DURATION &&
+ call_info.state == PJSIP_INV_STATE_CONFIRMED)
+ {
+ /* Schedule timer to hangup call after the specified duration */
+ app_call_data *cd = &app_config.call_data[call_id];
+ pjsip_endpoint *endpt = pjsua_get_pjsip_endpt();
+ pj_time_val delay;
+
+ cd->timer.id = call_id;
+ delay.sec = app_config.duration;
+ delay.msec = 0;
+ pjsip_endpt_schedule_timer(endpt, &cd->timer, &delay);
+ }
+
+ if (call_info.state == PJSIP_INV_STATE_EARLY) {
+ int code;
+ pj_str_t reason;
+ pjsip_msg *msg;
+
+ /* This can only occur because of TX or RX message */
+ pj_assert(e->type == PJSIP_EVENT_TSX_STATE);
+
+ if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG) {
+ msg = e->body.tsx_state.src.rdata->msg_info.msg;
+ } else {
+ msg = e->body.tsx_state.src.tdata->msg;
+ }
+
+ code = msg->line.status.code;
+ reason = msg->line.status.reason;
+
+ /* Start ringback for 180 for UAC unless there's SDP in 180 */
+ if (call_info.role==PJSIP_ROLE_UAC && code==180 &&
+ msg->body == NULL &&
+ call_info.media_status==PJSUA_CALL_MEDIA_NONE)
+ {
+ ringback_start(call_id);
+ }
+
+ PJ_LOG(3,(THIS_FILE, "Call %d state changed to %s (%d %.*s)",
+ call_id, call_info.state_text.ptr,
+ code, (int)reason.slen, reason.ptr));
+ } else {
+ PJ_LOG(3,(THIS_FILE, "Call %d state changed to %s",
+ call_id,
+ call_info.state_text.ptr));
+ }
+
+ if (current_call==PJSUA_INVALID_ID)
+ current_call = call_id;
+
+ }
+}
+
+/**
+ * Handler when there is incoming call.
+ */
+static void on_incoming_call(pjsua_acc_id acc_id, pjsua_call_id call_id,
+ pjsip_rx_data *rdata)
+{
+ pjsua_call_info call_info;
+
+ PJ_UNUSED_ARG(acc_id);
+ PJ_UNUSED_ARG(rdata);
+
+ pjsua_call_get_info(call_id, &call_info);
+
+ if (current_call==PJSUA_INVALID_ID)
+ current_call = call_id;
+
+#ifdef USE_GUI
+ if (!showNotification(call_id))
+ return;
+#endif
+
+ /* Start ringback */
+ ring_start(call_id);
+
+ if (app_config.auto_answer > 0) {
+ pjsua_call_setting call_opt;
+
+ pjsua_call_setting_default(&call_opt);
+ call_opt.aud_cnt = app_config.aud_cnt;
+ call_opt.vid_cnt = app_config.vid.vid_cnt;
+
+ pjsua_call_answer2(call_id, &call_opt, app_config.auto_answer, NULL,
+ NULL);
+ }
+
+ if (app_config.auto_answer < 200) {
+ char notif_st[80] = {0};
+
+#if PJSUA_HAS_VIDEO
+ if (call_info.rem_offerer && call_info.rem_vid_cnt) {
+ snprintf(notif_st, sizeof(notif_st),
+ "To %s the video, type \"vid %s\" first, "
+ "before answering the call!\n",
+ (app_config.vid.vid_cnt? "reject":"accept"),
+ (app_config.vid.vid_cnt? "disable":"enable"));
+ }
+#endif
+
+ PJ_LOG(3,(THIS_FILE,
+ "Incoming call for account %d!\n"
+ "Media count: %d audio & %d video\n"
+ "%s"
+ "From: %s\n"
+ "To: %s\n"
+ "Press %s to answer or %s to reject call",
+ acc_id,
+ call_info.rem_aud_cnt,
+ call_info.rem_vid_cnt,
+ notif_st,
+ call_info.remote_info.ptr,
+ call_info.local_info.ptr,
+ (app_config.use_cli?"c a":"a"),
+ (app_config.use_cli?"c g":"h")));
+ }
+}
+
+/*
+ * Handler when a transaction within a call has changed state.
+ */
+static void on_call_tsx_state(pjsua_call_id call_id,
+ pjsip_transaction *tsx,
+ pjsip_event *e)
+{
+ const pjsip_method info_method =
+ {
+ PJSIP_OTHER_METHOD,
+ { "INFO", 4 }
+ };
+
+ if (pjsip_method_cmp(&tsx->method, &info_method)==0) {
+ /*
+ * Handle INFO method.
+ */
+ const pj_str_t STR_APPLICATION = { "application", 11};
+ const pj_str_t STR_DTMF_RELAY = { "dtmf-relay", 10 };
+ pjsip_msg_body *body = NULL;
+ pj_bool_t dtmf_info = PJ_FALSE;
+
+ if (tsx->role == PJSIP_ROLE_UAC) {
+ if (e->body.tsx_state.type == PJSIP_EVENT_TX_MSG)
+ body = e->body.tsx_state.src.tdata->msg->body;
+ else
+ body = e->body.tsx_state.tsx->last_tx->msg->body;
+ } else {
+ if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG)
+ body = e->body.tsx_state.src.rdata->msg_info.msg->body;
+ }
+
+ /* Check DTMF content in the INFO message */
+ if (body && body->len &&
+ pj_stricmp(&body->content_type.type, &STR_APPLICATION)==0 &&
+ pj_stricmp(&body->content_type.subtype, &STR_DTMF_RELAY)==0)
+ {
+ dtmf_info = PJ_TRUE;
+ }
+
+ if (dtmf_info && tsx->role == PJSIP_ROLE_UAC &&
+ (tsx->state == PJSIP_TSX_STATE_COMPLETED ||
+ (tsx->state == PJSIP_TSX_STATE_TERMINATED &&
+ e->body.tsx_state.prev_state != PJSIP_TSX_STATE_COMPLETED)))
+ {
+ /* Status of outgoing INFO request */
+ if (tsx->status_code >= 200 && tsx->status_code < 300) {
+ PJ_LOG(4,(THIS_FILE,
+ "Call %d: DTMF sent successfully with INFO",
+ call_id));
+ } else if (tsx->status_code >= 300) {
+ PJ_LOG(4,(THIS_FILE,
+ "Call %d: Failed to send DTMF with INFO: %d/%.*s",
+ call_id,
+ tsx->status_code,
+ (int)tsx->status_text.slen,
+ tsx->status_text.ptr));
+ }
+ } else if (dtmf_info && tsx->role == PJSIP_ROLE_UAS &&
+ tsx->state == PJSIP_TSX_STATE_TRYING)
+ {
+ /* Answer incoming INFO with 200/OK */
+ pjsip_rx_data *rdata;
+ pjsip_tx_data *tdata;
+ pj_status_t status;
+
+ rdata = e->body.tsx_state.src.rdata;
+
+ if (rdata->msg_info.msg->body) {
+ status = pjsip_endpt_create_response(tsx->endpt, rdata,
+ 200, NULL, &tdata);
+ if (status == PJ_SUCCESS)
+ status = pjsip_tsx_send_msg(tsx, tdata);
+
+ PJ_LOG(3,(THIS_FILE, "Call %d: incoming INFO:\n%.*s",
+ call_id,
+ (int)rdata->msg_info.msg->body->len,
+ rdata->msg_info.msg->body->data));
+ } else {
+ status = pjsip_endpt_create_response(tsx->endpt, rdata,
+ 400, NULL, &tdata);
+ if (status == PJ_SUCCESS)
+ status = pjsip_tsx_send_msg(tsx, tdata);
+ }
+ }
+ }
+}
+
+/* General processing for media state. "mi" is the media index */
+static void on_call_generic_media_state(pjsua_call_info *ci, unsigned mi,
+ pj_bool_t *has_error)
+{
+ const char *status_name[] = {
+ "None",
+ "Active",
+ "Local hold",
+ "Remote hold",
+ "Error"
+ };
+
+ PJ_UNUSED_ARG(has_error);
+
+ pj_assert(ci->media[mi].status <= PJ_ARRAY_SIZE(status_name));
+ pj_assert(PJSUA_CALL_MEDIA_ERROR == 4);
+
+ PJ_LOG(4,(THIS_FILE, "Call %d media %d [type=%s], status is %s",
+ ci->id, mi, pjmedia_type_name(ci->media[mi].type),
+ status_name[ci->media[mi].status]));
+}
+
+/* Process audio media state. "mi" is the media index. */
+static void on_call_audio_state(pjsua_call_info *ci, unsigned mi,
+ pj_bool_t *has_error)
+{
+ PJ_UNUSED_ARG(has_error);
+
+ /* Stop ringback */
+ ring_stop(ci->id);
+
+ /* Connect ports appropriately when media status is ACTIVE or REMOTE HOLD,
+ * otherwise we should NOT connect the ports.
+ */
+ if (ci->media[mi].status == PJSUA_CALL_MEDIA_ACTIVE ||
+ ci->media[mi].status == PJSUA_CALL_MEDIA_REMOTE_HOLD)
+ {
+ pj_bool_t connect_sound = PJ_TRUE;
+ pj_bool_t disconnect_mic = PJ_FALSE;
+ pjsua_conf_port_id call_conf_slot;
+
+ call_conf_slot = ci->media[mi].stream.aud.conf_slot;
+
+ /* Loopback sound, if desired */
+ if (app_config.auto_loop) {
+ pjsua_conf_connect(call_conf_slot, call_conf_slot);
+ connect_sound = PJ_FALSE;
+ }
+
+ /* Automatically record conversation, if desired */
+ if (app_config.auto_rec && app_config.rec_port != PJSUA_INVALID_ID) {
+ pjsua_conf_connect(call_conf_slot, app_config.rec_port);
+ }
+
+ /* Stream a file, if desired */
+ if ((app_config.auto_play || app_config.auto_play_hangup) &&
+ app_config.wav_port != PJSUA_INVALID_ID)
+ {
+ pjsua_conf_connect(app_config.wav_port, call_conf_slot);
+ connect_sound = PJ_FALSE;
+ }
+
+ /* Stream AVI, if desired */
+ if (app_config.avi_auto_play &&
+ app_config.avi_def_idx != PJSUA_INVALID_ID &&
+ app_config.avi[app_config.avi_def_idx].slot != PJSUA_INVALID_ID)
+ {
+ pjsua_conf_connect(app_config.avi[app_config.avi_def_idx].slot,
+ call_conf_slot);
+ disconnect_mic = PJ_TRUE;
+ }
+
+ /* Put call in conference with other calls, if desired */
+ if (app_config.auto_conf) {
+ pjsua_call_id call_ids[PJSUA_MAX_CALLS];
+ unsigned call_cnt=PJ_ARRAY_SIZE(call_ids);
+ unsigned i;
+
+ /* Get all calls, and establish media connection between
+ * this call and other calls.
+ */
+ pjsua_enum_calls(call_ids, &call_cnt);
+
+ for (i=0; i<call_cnt; ++i) {
+ if (call_ids[i] == ci->id)
+ continue;
+
+ if (!pjsua_call_has_media(call_ids[i]))
+ continue;
+
+ pjsua_conf_connect(call_conf_slot,
+ pjsua_call_get_conf_port(call_ids[i]));
+ pjsua_conf_connect(pjsua_call_get_conf_port(call_ids[i]),
+ call_conf_slot);
+
+ /* Automatically record conversation, if desired */
+ if (app_config.auto_rec && app_config.rec_port !=
+ PJSUA_INVALID_ID)
+ {
+ pjsua_conf_connect(pjsua_call_get_conf_port(call_ids[i]),
+ app_config.rec_port);
+ }
+
+ }
+
+ /* Also connect call to local sound device */
+ connect_sound = PJ_TRUE;
+ }
+
+ /* Otherwise connect to sound device */
+ if (connect_sound) {
+ pjsua_conf_connect(call_conf_slot, 0);
+ if (!disconnect_mic)
+ pjsua_conf_connect(0, call_conf_slot);
+
+ /* Automatically record conversation, if desired */
+ if (app_config.auto_rec && app_config.rec_port != PJSUA_INVALID_ID)
+ {
+ pjsua_conf_connect(call_conf_slot, app_config.rec_port);
+ pjsua_conf_connect(0, app_config.rec_port);
+ }
+ }
+ }
+}
+
+/* Process video media state. "mi" is the media index. */
+static void on_call_video_state(pjsua_call_info *ci, unsigned mi,
+ pj_bool_t *has_error)
+{
+ if (ci->media_status != PJSUA_CALL_MEDIA_ACTIVE)
+ return;
+
+ arrange_window(ci->media[mi].stream.vid.win_in);
+
+ PJ_UNUSED_ARG(has_error);
+}
+
+/*
+ * Callback on media state changed event.
+ * The action may connect the call to sound device, to file, or
+ * to loop the call.
+ */
+static void on_call_media_state(pjsua_call_id call_id)
+{
+ pjsua_call_info call_info;
+ unsigned mi;
+ pj_bool_t has_error = PJ_FALSE;
+
+ pjsua_call_get_info(call_id, &call_info);
+
+ for (mi=0; mi<call_info.media_cnt; ++mi) {
+ on_call_generic_media_state(&call_info, mi, &has_error);
+
+ switch (call_info.media[mi].type) {
+ case PJMEDIA_TYPE_AUDIO:
+ on_call_audio_state(&call_info, mi, &has_error);
+ break;
+ case PJMEDIA_TYPE_VIDEO:
+ on_call_video_state(&call_info, mi, &has_error);
+ break;
+ default:
+ /* Make gcc happy about enum not handled by switch/case */
+ break;
+ }
+ }
+
+ if (has_error) {
+ pj_str_t reason = pj_str("Media failed");
+ pjsua_call_hangup(call_id, 500, &reason, NULL);
+ }
+
+#if PJSUA_HAS_VIDEO
+ /* Check if remote has just tried to enable video */
+ if (call_info.rem_offerer && call_info.rem_vid_cnt)
+ {
+ int vid_idx;
+
+ /* Check if there is active video */
+ vid_idx = pjsua_call_get_vid_stream_idx(call_id);
+ if (vid_idx == -1 || call_info.media[vid_idx].dir == PJMEDIA_DIR_NONE) {
+ PJ_LOG(3,(THIS_FILE,
+ "Just rejected incoming video offer on call %d, "
+ "use \"vid call enable %d\" or \"vid call add\" to "
+ "enable video!", call_id, vid_idx));
+ }
+ }
+#endif
+}
+
+/*
+ * DTMF callback.
+ */
+static void call_on_dtmf_callback(pjsua_call_id call_id, int dtmf)
+{
+ PJ_LOG(3,(THIS_FILE, "Incoming DTMF on call %d: %c", call_id, dtmf));
+}
+
+/*
+ * Redirection handler.
+ */
+static pjsip_redirect_op call_on_redirected(pjsua_call_id call_id,
+ const pjsip_uri *target,
+ const pjsip_event *e)
+{
+ PJ_UNUSED_ARG(e);
+
+ if (app_config.redir_op == PJSIP_REDIRECT_PENDING) {
+ char uristr[PJSIP_MAX_URL_SIZE];
+ int len;
+
+ len = pjsip_uri_print(PJSIP_URI_IN_FROMTO_HDR, target, uristr,
+ sizeof(uristr));
+ if (len < 1) {
+ pj_ansi_strcpy(uristr, "--URI too long--");
+ }
+
+ PJ_LOG(3,(THIS_FILE, "Call %d is being redirected to %.*s. "
+ "Press 'Ra' to accept+replace To header, 'RA' to accept, "
+ "'Rr' to reject, or 'Rd' to disconnect.",
+ call_id, len, uristr));
+ }
+
+ return app_config.redir_op;
+}
+
+/*
+ * Handler registration status has changed.
+ */
+static void on_reg_state(pjsua_acc_id acc_id)
+{
+ PJ_UNUSED_ARG(acc_id);
+
+ // Log already written.
+}
+
+/*
+ * Handler for incoming presence subscription request
+ */
+static void on_incoming_subscribe(pjsua_acc_id acc_id,
+ pjsua_srv_pres *srv_pres,
+ pjsua_buddy_id buddy_id,
+ const pj_str_t *from,
+ pjsip_rx_data *rdata,
+ pjsip_status_code *code,
+ pj_str_t *reason,
+ pjsua_msg_data *msg_data)
+{
+ /* Just accept the request (the default behavior) */
+ PJ_UNUSED_ARG(acc_id);
+ PJ_UNUSED_ARG(srv_pres);
+ PJ_UNUSED_ARG(buddy_id);
+ PJ_UNUSED_ARG(from);
+ PJ_UNUSED_ARG(rdata);
+ PJ_UNUSED_ARG(code);
+ PJ_UNUSED_ARG(reason);
+ PJ_UNUSED_ARG(msg_data);
+}
+
+
+/*
+ * Handler on buddy state changed.
+ */
+static void on_buddy_state(pjsua_buddy_id buddy_id)
+{
+ pjsua_buddy_info info;
+ pjsua_buddy_get_info(buddy_id, &info);
+
+ PJ_LOG(3,(THIS_FILE, "%.*s status is %.*s, subscription state is %s "
+ "(last termination reason code=%d %.*s)",
+ (int)info.uri.slen,
+ info.uri.ptr,
+ (int)info.status_text.slen,
+ info.status_text.ptr,
+ info.sub_state_name,
+ info.sub_term_code,
+ (int)info.sub_term_reason.slen,
+ info.sub_term_reason.ptr));
+}
+
+
+/*
+ * Subscription state has changed.
+ */
+static void on_buddy_evsub_state(pjsua_buddy_id buddy_id,
+ pjsip_evsub *sub,
+ pjsip_event *event)
+{
+ char event_info[80];
+
+ PJ_UNUSED_ARG(sub);
+
+ event_info[0] = '\0';
+
+ if (event->type == PJSIP_EVENT_TSX_STATE &&
+ event->body.tsx_state.type == PJSIP_EVENT_RX_MSG)
+ {
+ pjsip_rx_data *rdata = event->body.tsx_state.src.rdata;
+ snprintf(event_info, sizeof(event_info),
+ " (RX %s)",
+ pjsip_rx_data_get_info(rdata));
+ }
+
+ PJ_LOG(4,(THIS_FILE,
+ "Buddy %d: subscription state: %s (event: %s%s)",
+ buddy_id, pjsip_evsub_get_state_name(sub),
+ pjsip_event_str(event->type),
+ event_info));
+
+}
+
+
+/**
+ * Incoming IM message (i.e. MESSAGE request)!
+ */
+static void on_pager(pjsua_call_id call_id, const pj_str_t *from,
+ const pj_str_t *to, const pj_str_t *contact,
+ const pj_str_t *mime_type, const pj_str_t *text)
+{
+ /* Note: call index may be -1 */
+ PJ_UNUSED_ARG(call_id);
+ PJ_UNUSED_ARG(to);
+ PJ_UNUSED_ARG(contact);
+ PJ_UNUSED_ARG(mime_type);
+
+ PJ_LOG(3,(THIS_FILE,"MESSAGE from %.*s: %.*s (%.*s)",
+ (int)from->slen, from->ptr,
+ (int)text->slen, text->ptr,
+ (int)mime_type->slen, mime_type->ptr));
+}
+
+
+/**
+ * Received typing indication
+ */
+static void on_typing(pjsua_call_id call_id, const pj_str_t *from,
+ const pj_str_t *to, const pj_str_t *contact,
+ pj_bool_t is_typing)
+{
+ PJ_UNUSED_ARG(call_id);
+ PJ_UNUSED_ARG(to);
+ PJ_UNUSED_ARG(contact);
+
+ PJ_LOG(3,(THIS_FILE, "IM indication: %.*s %s",
+ (int)from->slen, from->ptr,
+ (is_typing?"is typing..":"has stopped typing")));
+}
+
+
+/**
+ * Call transfer request status.
+ */
+static void on_call_transfer_status(pjsua_call_id call_id,
+ int status_code,
+ const pj_str_t *status_text,
+ pj_bool_t final,
+ pj_bool_t *p_cont)
+{
+ PJ_LOG(3,(THIS_FILE, "Call %d: transfer status=%d (%.*s) %s",
+ call_id, status_code,
+ (int)status_text->slen, status_text->ptr,
+ (final ? "[final]" : "")));
+
+ if (status_code/100 == 2) {
+ PJ_LOG(3,(THIS_FILE,
+ "Call %d: call transfered successfully, disconnecting call",
+ call_id));
+ pjsua_call_hangup(call_id, PJSIP_SC_GONE, NULL, NULL);
+ *p_cont = PJ_FALSE;
+ }
+}
+
+
+/*
+ * Notification that call is being replaced.
+ */
+static void on_call_replaced(pjsua_call_id old_call_id,
+ pjsua_call_id new_call_id)
+{
+ pjsua_call_info old_ci, new_ci;
+
+ pjsua_call_get_info(old_call_id, &old_ci);
+ pjsua_call_get_info(new_call_id, &new_ci);
+
+ PJ_LOG(3,(THIS_FILE, "Call %d with %.*s is being replaced by "
+ "call %d with %.*s",
+ old_call_id,
+ (int)old_ci.remote_info.slen, old_ci.remote_info.ptr,
+ new_call_id,
+ (int)new_ci.remote_info.slen, new_ci.remote_info.ptr));
+}
+
+
+/*
+ * NAT type detection callback.
+ */
+static void on_nat_detect(const pj_stun_nat_detect_result *res)
+{
+ if (res->status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "NAT detection failed", res->status);
+ } else {
+ PJ_LOG(3, (THIS_FILE, "NAT detected as %s", res->nat_type_name));
+ }
+}
+
+
+/*
+ * MWI indication
+ */
+static void on_mwi_info(pjsua_acc_id acc_id, pjsua_mwi_info *mwi_info)
+{
+ pj_str_t body;
+
+ PJ_LOG(3,(THIS_FILE, "Received MWI for acc %d:", acc_id));
+
+ if (mwi_info->rdata->msg_info.ctype) {
+ const pjsip_ctype_hdr *ctype = mwi_info->rdata->msg_info.ctype;
+
+ PJ_LOG(3,(THIS_FILE, " Content-Type: %.*s/%.*s",
+ (int)ctype->media.type.slen,
+ ctype->media.type.ptr,
+ (int)ctype->media.subtype.slen,
+ ctype->media.subtype.ptr));
+ }
+
+ if (!mwi_info->rdata->msg_info.msg->body) {
+ PJ_LOG(3,(THIS_FILE, " no message body"));
+ return;
+ }
+
+ body.ptr = mwi_info->rdata->msg_info.msg->body->data;
+ body.slen = mwi_info->rdata->msg_info.msg->body->len;
+
+ PJ_LOG(3,(THIS_FILE, " Body:\n%.*s", (int)body.slen, body.ptr));
+}
+
+
+/*
+ * Transport status notification
+ */
+static void on_transport_state(pjsip_transport *tp,
+ pjsip_transport_state state,
+ const pjsip_transport_state_info *info)
+{
+ char host_port[128];
+
+ pj_ansi_snprintf(host_port, sizeof(host_port), "[%.*s:%d]",
+ (int)tp->remote_name.host.slen,
+ tp->remote_name.host.ptr,
+ tp->remote_name.port);
+
+ switch (state) {
+ case PJSIP_TP_STATE_CONNECTED:
+ {
+ PJ_LOG(3,(THIS_FILE, "SIP %s transport is connected to %s",
+ tp->type_name, host_port));
+ }
+ break;
+
+ case PJSIP_TP_STATE_DISCONNECTED:
+ {
+ char buf[100];
+
+ snprintf(buf, sizeof(buf), "SIP %s transport is disconnected "
+ "from %s", tp->type_name, host_port);
+ pjsua_perror(THIS_FILE, buf, info->status);
+ }
+ break;
+
+ default:
+ break;
+ }
+
+#if defined(PJSIP_HAS_TLS_TRANSPORT) && PJSIP_HAS_TLS_TRANSPORT!=0
+
+ if (!pj_ansi_stricmp(tp->type_name, "tls") && info->ext_info &&
+ (state == PJSIP_TP_STATE_CONNECTED ||
+ ((pjsip_tls_state_info*)info->ext_info)->
+ ssl_sock_info->verify_status != PJ_SUCCESS))
+ {
+ pjsip_tls_state_info *tls_info = (pjsip_tls_state_info*)info->ext_info;
+ pj_ssl_sock_info *ssl_sock_info = tls_info->ssl_sock_info;
+ char buf[2048];
+ const char *verif_msgs[32];
+ unsigned verif_msg_cnt;
+
+ /* Dump server TLS cipher */
+ PJ_LOG(4,(THIS_FILE, "TLS cipher used: 0x%06X/%s",
+ ssl_sock_info->cipher,
+ pj_ssl_cipher_name(ssl_sock_info->cipher) ));
+
+ /* Dump server TLS certificate */
+ pj_ssl_cert_info_dump(ssl_sock_info->remote_cert_info, " ",
+ buf, sizeof(buf));
+ PJ_LOG(4,(THIS_FILE, "TLS cert info of %s:\n%s", host_port, buf));
+
+ /* Dump server TLS certificate verification result */
+ verif_msg_cnt = PJ_ARRAY_SIZE(verif_msgs);
+ pj_ssl_cert_get_verify_status_strings(ssl_sock_info->verify_status,
+ verif_msgs, &verif_msg_cnt);
+ PJ_LOG(3,(THIS_FILE, "TLS cert verification result of %s : %s",
+ host_port,
+ (verif_msg_cnt == 1? verif_msgs[0]:"")));
+ if (verif_msg_cnt > 1) {
+ unsigned i;
+ for (i = 0; i < verif_msg_cnt; ++i)
+ PJ_LOG(3,(THIS_FILE, "- %s", verif_msgs[i]));
+ }
+
+ if (ssl_sock_info->verify_status &&
+ !app_config.udp_cfg.tls_setting.verify_server)
+ {
+ PJ_LOG(3,(THIS_FILE, "PJSUA is configured to ignore TLS cert "
+ "verification errors"));
+ }
+ }
+
+#endif
+
+}
+
+/*
+ * Notification on ICE error.
+ */
+static void on_ice_transport_error(int index, pj_ice_strans_op op,
+ pj_status_t status, void *param)
+{
+ PJ_UNUSED_ARG(op);
+ PJ_UNUSED_ARG(param);
+ PJ_PERROR(1,(THIS_FILE, status,
+ "ICE keep alive failure for transport %d", index));
+}
+
+/*
+ * Notification on sound device operation.
+ */
+static pj_status_t on_snd_dev_operation(int operation)
+{
+ PJ_LOG(3,(THIS_FILE, "Turning sound device %s", (operation? "ON":"OFF")));
+ return PJ_SUCCESS;
+}
+
+/* Callback on media events */
+static void on_call_media_event(pjsua_call_id call_id,
+ unsigned med_idx,
+ pjmedia_event *event)
+{
+ char event_name[5];
+
+ PJ_LOG(5,(THIS_FILE, "Event %s",
+ pjmedia_fourcc_name(event->type, event_name)));
+
+#if PJSUA_HAS_VIDEO
+ if (event->type == PJMEDIA_EVENT_FMT_CHANGED) {
+ /* Adjust renderer window size to original video size */
+ pjsua_call_info ci;
+ pjsua_vid_win_id wid;
+ pjmedia_rect_size size;
+
+ pjsua_call_get_info(call_id, &ci);
+
+ if ((ci.media[med_idx].type == PJMEDIA_TYPE_VIDEO) &&
+ (ci.media[med_idx].dir & PJMEDIA_DIR_DECODING))
+ {
+ wid = ci.media[med_idx].stream.vid.win_in;
+ size = event->data.fmt_changed.new_fmt.det.vid.size;
+ pjsua_vid_win_set_size(wid, &size);
+ }
+
+ /* Re-arrange video windows */
+ arrange_window(PJSUA_INVALID_ID);
+ }
+#else
+ PJ_UNUSED_ARG(call_id);
+ PJ_UNUSED_ARG(med_idx);
+ PJ_UNUSED_ARG(event);
+#endif
+}
+
+#ifdef TRANSPORT_ADAPTER_SAMPLE
+/*
+ * This callback is called when media transport needs to be created.
+ */
+static pjmedia_transport* on_create_media_transport(pjsua_call_id call_id,
+ unsigned media_idx,
+ pjmedia_transport *base_tp,
+ unsigned flags)
+{
+ pjmedia_transport *adapter;
+ pj_status_t status;
+
+ /* Create the adapter */
+ status = pjmedia_tp_adapter_create(pjsua_get_pjmedia_endpt(),
+ NULL, base_tp,
+ (flags & PJSUA_MED_TP_CLOSE_MEMBER),
+ &adapter);
+ if (status != PJ_SUCCESS) {
+ PJ_PERROR(1,(THIS_FILE, status, "Error creating adapter"));
+ return NULL;
+ }
+
+ PJ_LOG(3,(THIS_FILE, "Media transport is created for call %d media %d",
+ call_id, media_idx));
+
+ return adapter;
+}
+#endif
+
+/* Playfile done notification, set timer to hangup calls */
+pj_status_t on_playfile_done(pjmedia_port *port, void *usr_data)
+{
+ pj_time_val delay;
+
+ PJ_UNUSED_ARG(port);
+ PJ_UNUSED_ARG(usr_data);
+
+ /* Just rewind WAV when it is played outside of call */
+ if (pjsua_call_get_count() == 0) {
+ pjsua_player_set_pos(app_config.wav_id, 0);
+ return PJ_SUCCESS;
+ }
+
+ /* Timer is already active */
+ if (app_config.auto_hangup_timer.id == 1)
+ return PJ_SUCCESS;
+
+ app_config.auto_hangup_timer.id = 1;
+ delay.sec = 0;
+ delay.msec = 200; /* Give 200 ms before hangup */
+ pjsip_endpt_schedule_timer(pjsua_get_pjsip_endpt(),
+ &app_config.auto_hangup_timer,
+ &delay);
+
+ return PJ_SUCCESS;
+}
+
+/* Auto hangup timer callback */
+static void hangup_timeout_callback(pj_timer_heap_t *timer_heap,
+ struct pj_timer_entry *entry)
+{
+ PJ_UNUSED_ARG(timer_heap);
+ PJ_UNUSED_ARG(entry);
+
+ app_config.auto_hangup_timer.id = 0;
+ pjsua_call_hangup_all();
+}
+
+/*
+ * A simple registrar, invoked by default_mod_on_rx_request()
+ */
+static void simple_registrar(pjsip_rx_data *rdata)
+{
+ pjsip_tx_data *tdata;
+ const pjsip_expires_hdr *exp;
+ const pjsip_hdr *h;
+ unsigned cnt = 0;
+ pjsip_generic_string_hdr *srv;
+ pj_status_t status;
+
+ status = pjsip_endpt_create_response(pjsua_get_pjsip_endpt(),
+ rdata, 200, NULL, &tdata);
+ if (status != PJ_SUCCESS)
+ return;
+
+ exp = pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_EXPIRES, NULL);
+
+ h = rdata->msg_info.msg->hdr.next;
+ while (h != &rdata->msg_info.msg->hdr) {
+ if (h->type == PJSIP_H_CONTACT) {
+ const pjsip_contact_hdr *c = (const pjsip_contact_hdr*)h;
+ int e = c->expires;
+
+ if (e < 0) {
+ if (exp)
+ e = exp->ivalue;
+ else
+ e = 3600;
+ }
+
+ if (e > 0) {
+ pjsip_contact_hdr *nc = pjsip_hdr_clone(tdata->pool, h);
+ nc->expires = e;
+ pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)nc);
+ ++cnt;
+ }
+ }
+ h = h->next;
+ }
+
+ srv = pjsip_generic_string_hdr_create(tdata->pool, NULL, NULL);
+ srv->name = pj_str("Server");
+ srv->hvalue = pj_str("pjsua simple registrar");
+ pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)srv);
+
+ pjsip_endpt_send_response2(pjsua_get_pjsip_endpt(),
+ rdata, tdata, NULL, NULL);
+}
+
+/*****************************************************************************
+ * A simple module to handle otherwise unhandled request. We will register
+ * this with the lowest priority.
+ */
+
+/* Notification on incoming request */
+static pj_bool_t default_mod_on_rx_request(pjsip_rx_data *rdata)
+{
+ pjsip_tx_data *tdata;
+ pjsip_status_code status_code;
+ pj_status_t status;
+
+ /* Don't respond to ACK! */
+ if (pjsip_method_cmp(&rdata->msg_info.msg->line.req.method,
+ &pjsip_ack_method) == 0)
+ return PJ_TRUE;
+
+ /* Simple registrar */
+ if (pjsip_method_cmp(&rdata->msg_info.msg->line.req.method,
+ &pjsip_register_method) == 0)
+ {
+ simple_registrar(rdata);
+ return PJ_TRUE;
+ }
+
+ /* Create basic response. */
+ if (pjsip_method_cmp(&rdata->msg_info.msg->line.req.method,
+ &pjsip_notify_method) == 0)
+ {
+ /* Unsolicited NOTIFY's, send with Bad Request */
+ status_code = PJSIP_SC_BAD_REQUEST;
+ } else {
+ /* Probably unknown method */
+ status_code = PJSIP_SC_METHOD_NOT_ALLOWED;
+ }
+ status = pjsip_endpt_create_response(pjsua_get_pjsip_endpt(),
+ rdata, status_code,
+ NULL, &tdata);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Unable to create response", status);
+ return PJ_TRUE;
+ }
+
+ /* Add Allow if we're responding with 405 */
+ if (status_code == PJSIP_SC_METHOD_NOT_ALLOWED) {
+ const pjsip_hdr *cap_hdr;
+ cap_hdr = pjsip_endpt_get_capability(pjsua_get_pjsip_endpt(),
+ PJSIP_H_ALLOW, NULL);
+ if (cap_hdr) {
+ pjsip_msg_add_hdr(tdata->msg, pjsip_hdr_clone(tdata->pool,
+ cap_hdr));
+ }
+ }
+
+ /* Add User-Agent header */
+ {
+ pj_str_t user_agent;
+ char tmp[80];
+ const pj_str_t USER_AGENT = { "User-Agent", 10};
+ pjsip_hdr *h;
+
+ pj_ansi_snprintf(tmp, sizeof(tmp), "PJSUA v%s/%s",
+ pj_get_version(), PJ_OS_NAME);
+ pj_strdup2_with_null(tdata->pool, &user_agent, tmp);
+
+ h = (pjsip_hdr*) pjsip_generic_string_hdr_create(tdata->pool,
+ &USER_AGENT,
+ &user_agent);
+ pjsip_msg_add_hdr(tdata->msg, h);
+ }
+
+ pjsip_endpt_send_response2(pjsua_get_pjsip_endpt(), rdata, tdata,
+ NULL, NULL);
+
+ return PJ_TRUE;
+}
+
+/* The module instance. */
+static pjsip_module mod_default_handler =
+{
+ NULL, NULL, /* prev, next. */
+ { "mod-default-handler", 19 }, /* Name. */
+ -1, /* Id */
+ PJSIP_MOD_PRIORITY_APPLICATION+99, /* Priority */
+ NULL, /* load() */
+ NULL, /* start() */
+ NULL, /* stop() */
+ NULL, /* unload() */
+ &default_mod_on_rx_request, /* on_rx_request() */
+ NULL, /* on_rx_response() */
+ NULL, /* on_tx_request. */
+ NULL, /* on_tx_response() */
+ NULL, /* on_tsx_state() */
+
+};
+
+/** CLI callback **/
+
+/* Called on CLI (re)started, e.g: initial start, after iOS bg */
+void cli_on_started(pj_status_t status)
+{
+ /* Notify app */
+ if (app_cfg.on_started) {
+ if (status == PJ_SUCCESS) {
+ char info[128];
+ cli_get_info(info, sizeof(info));
+ if (app_cfg.on_started) {
+ (*app_cfg.on_started)(status, info);
+ }
+ } else {
+ if (app_cfg.on_started) {
+ (*app_cfg.on_started)(status, NULL);
+ }
+ }
+ }
+}
+
+/* Called on CLI quit */
+void cli_on_stopped(pj_bool_t restart, int argc, char* argv[])
+{
+ /* Notify app */
+ if (app_cfg.on_stopped)
+ (*app_cfg.on_stopped)(restart, argc, argv);
+}
+
+
+/* Called on pjsua legacy quit */
+void legacy_on_stopped(pj_bool_t restart)
+{
+ /* Notify app */
+ if (app_cfg.on_stopped)
+ (*app_cfg.on_stopped)(restart, 1, NULL);
+}
+
+/*****************************************************************************
+ * Public API
+ */
+
+int stdout_refresh_proc(void *arg)
+{
+ extern char *stdout_refresh_text;
+
+ PJ_UNUSED_ARG(arg);
+
+ /* Set thread to lowest priority so that it doesn't clobber
+ * stdout output
+ */
+ pj_thread_set_prio(pj_thread_this(),
+ pj_thread_get_prio_min(pj_thread_this()));
+
+ while (!stdout_refresh_quit) {
+ pj_thread_sleep(stdout_refresh * 1000);
+ puts(stdout_refresh_text);
+ fflush(stdout);
+ }
+
+ return 0;
+}
+
+static pj_status_t app_init()
+{
+ pjsua_transport_id transport_id = -1;
+ pjsua_transport_config tcp_cfg;
+ unsigned i;
+ pj_status_t status;
+
+ /** Create pjsua **/
+ status = pjsua_create();
+ if (status != PJ_SUCCESS)
+ return status;
+
+ /* Create pool for application */
+ app_config.pool = pjsua_pool_create("pjsua-app", 1000, 1000);
+
+ /* Init CLI & its FE settings */
+ if (!app_running) {
+ pj_cli_cfg_default(&app_config.cli_cfg.cfg);
+ pj_cli_telnet_cfg_default(&app_config.cli_cfg.telnet_cfg);
+ pj_cli_console_cfg_default(&app_config.cli_cfg.console_cfg);
+ app_config.cli_cfg.telnet_cfg.on_started = cli_on_started;
+ }
+
+ /** Parse args **/
+ status = load_config(app_cfg.argc, app_cfg.argv, &uri_arg);
+ if (status != PJ_SUCCESS)
+ return status;
+
+ /* Initialize application callbacks */
+ app_config.cfg.cb.on_call_state = &on_call_state;
+ app_config.cfg.cb.on_call_media_state = &on_call_media_state;
+ app_config.cfg.cb.on_incoming_call = &on_incoming_call;
+ app_config.cfg.cb.on_call_tsx_state = &on_call_tsx_state;
+ app_config.cfg.cb.on_dtmf_digit = &call_on_dtmf_callback;
+ app_config.cfg.cb.on_call_redirected = &call_on_redirected;
+ app_config.cfg.cb.on_reg_state = &on_reg_state;
+ app_config.cfg.cb.on_incoming_subscribe = &on_incoming_subscribe;
+ app_config.cfg.cb.on_buddy_state = &on_buddy_state;
+ app_config.cfg.cb.on_buddy_evsub_state = &on_buddy_evsub_state;
+ app_config.cfg.cb.on_pager = &on_pager;
+ app_config.cfg.cb.on_typing = &on_typing;
+ app_config.cfg.cb.on_call_transfer_status = &on_call_transfer_status;
+ app_config.cfg.cb.on_call_replaced = &on_call_replaced;
+ app_config.cfg.cb.on_nat_detect = &on_nat_detect;
+ app_config.cfg.cb.on_mwi_info = &on_mwi_info;
+ app_config.cfg.cb.on_transport_state = &on_transport_state;
+ app_config.cfg.cb.on_ice_transport_error = &on_ice_transport_error;
+ app_config.cfg.cb.on_snd_dev_operation = &on_snd_dev_operation;
+ app_config.cfg.cb.on_call_media_event = &on_call_media_event;
+#ifdef TRANSPORT_ADAPTER_SAMPLE
+ app_config.cfg.cb.on_create_media_transport = &on_create_media_transport;
+#endif
+
+ /* Set sound device latency */
+ if (app_config.capture_lat > 0)
+ app_config.media_cfg.snd_rec_latency = app_config.capture_lat;
+ if (app_config.playback_lat)
+ app_config.media_cfg.snd_play_latency = app_config.playback_lat;
+
+ if (app_cfg.on_config_init)
+ (*app_cfg.on_config_init)(&app_config);
+
+ /* Initialize pjsua */
+ status = pjsua_init(&app_config.cfg, &app_config.log_cfg,
+ &app_config.media_cfg);
+ if (status != PJ_SUCCESS)
+ return status;
+
+ /* Initialize our module to handle otherwise unhandled request */
+ status = pjsip_endpt_register_module(pjsua_get_pjsip_endpt(),
+ &mod_default_handler);
+ if (status != PJ_SUCCESS)
+ return status;
+
+#ifdef STEREO_DEMO
+ stereo_demo();
+#endif
+
+ /* Initialize calls data */
+ for (i=0; i<PJ_ARRAY_SIZE(app_config.call_data); ++i) {
+ app_config.call_data[i].timer.id = PJSUA_INVALID_ID;
+ app_config.call_data[i].timer.cb = &call_timeout_callback;
+ }
+
+ /* Optionally registers WAV file */
+ for (i=0; i<app_config.wav_count; ++i) {
+ pjsua_player_id wav_id;
+ unsigned play_options = 0;
+
+ if (app_config.auto_play_hangup)
+ play_options |= PJMEDIA_FILE_NO_LOOP;
+
+ status = pjsua_player_create(&app_config.wav_files[i], play_options,
+ &wav_id);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ if (app_config.wav_id == PJSUA_INVALID_ID) {
+ app_config.wav_id = wav_id;
+ app_config.wav_port = pjsua_player_get_conf_port(app_config.wav_id);
+ if (app_config.auto_play_hangup) {
+ pjmedia_port *port;
+
+ pjsua_player_get_port(app_config.wav_id, &port);
+ status = pjmedia_wav_player_set_eof_cb(port, NULL,
+ &on_playfile_done);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ pj_timer_entry_init(&app_config.auto_hangup_timer, 0, NULL,
+ &hangup_timeout_callback);
+ }
+ }
+ }
+
+ /* Optionally registers tone players */
+ for (i=0; i<app_config.tone_count; ++i) {
+ pjmedia_port *tport;
+ char name[80];
+ pj_str_t label;
+ pj_status_t status;
+
+ pj_ansi_snprintf(name, sizeof(name), "tone-%d,%d",
+ app_config.tones[i].freq1,
+ app_config.tones[i].freq2);
+ label = pj_str(name);
+ status = pjmedia_tonegen_create2(app_config.pool, &label,
+ 8000, 1, 160, 16,
+ PJMEDIA_TONEGEN_LOOP, &tport);
+ if (status != PJ_SUCCESS) {
+ pjsua_perror(THIS_FILE, "Unable to create tone generator", status);
+ goto on_error;
+ }
+
+ status = pjsua_conf_add_port(app_config.pool, tport,
+ &app_config.tone_slots[i]);
+ pj_assert(status == PJ_SUCCESS);
+
+ status = pjmedia_tonegen_play(tport, 1, &app_config.tones[i], 0);
+ pj_assert(status == PJ_SUCCESS);
+ }
+
+ /* Optionally create recorder file, if any. */
+ if (app_config.rec_file.slen) {
+ status = pjsua_recorder_create(&app_config.rec_file, 0, NULL, 0, 0,
+ &app_config.rec_id);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ app_config.rec_port = pjsua_recorder_get_conf_port(app_config.rec_id);
+ }
+
+ pj_memcpy(&tcp_cfg, &app_config.udp_cfg, sizeof(tcp_cfg));
+
+ /* Create ringback tones */
+ if (app_config.no_tones == PJ_FALSE) {
+ unsigned i, samples_per_frame;
+ pjmedia_tone_desc tone[RING_CNT+RINGBACK_CNT];
+ pj_str_t name;
+
+ samples_per_frame = app_config.media_cfg.audio_frame_ptime *
+ app_config.media_cfg.clock_rate *
+ app_config.media_cfg.channel_count / 1000;
+
+ /* Ringback tone (call is ringing) */
+ name = pj_str("ringback");
+ status = pjmedia_tonegen_create2(app_config.pool, &name,
+ app_config.media_cfg.clock_rate,
+ app_config.media_cfg.channel_count,
+ samples_per_frame,
+ 16, PJMEDIA_TONEGEN_LOOP,
+ &app_config.ringback_port);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ pj_bzero(&tone, sizeof(tone));
+ for (i=0; i<RINGBACK_CNT; ++i) {
+ tone[i].freq1 = RINGBACK_FREQ1;
+ tone[i].freq2 = RINGBACK_FREQ2;
+ tone[i].on_msec = RINGBACK_ON;
+ tone[i].off_msec = RINGBACK_OFF;
+ }
+ tone[RINGBACK_CNT-1].off_msec = RINGBACK_INTERVAL;
+
+ pjmedia_tonegen_play(app_config.ringback_port, RINGBACK_CNT, tone,
+ PJMEDIA_TONEGEN_LOOP);
+
+
+ status = pjsua_conf_add_port(app_config.pool, app_config.ringback_port,
+ &app_config.ringback_slot);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Ring (to alert incoming call) */
+ name = pj_str("ring");
+ status = pjmedia_tonegen_create2(app_config.pool, &name,
+ app_config.media_cfg.clock_rate,
+ app_config.media_cfg.channel_count,
+ samples_per_frame,
+ 16, PJMEDIA_TONEGEN_LOOP,
+ &app_config.ring_port);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ for (i=0; i<RING_CNT; ++i) {
+ tone[i].freq1 = RING_FREQ1;
+ tone[i].freq2 = RING_FREQ2;
+ tone[i].on_msec = RING_ON;
+ tone[i].off_msec = RING_OFF;
+ }
+ tone[RING_CNT-1].off_msec = RING_INTERVAL;
+
+ pjmedia_tonegen_play(app_config.ring_port, RING_CNT,
+ tone, PJMEDIA_TONEGEN_LOOP);
+
+ status = pjsua_conf_add_port(app_config.pool, app_config.ring_port,
+ &app_config.ring_slot);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ }
+
+ /* Create AVI player virtual devices */
+ if (app_config.avi_cnt) {
+#if PJMEDIA_HAS_VIDEO && PJMEDIA_VIDEO_DEV_HAS_AVI
+ pjmedia_vid_dev_factory *avi_factory;
+
+ status = pjmedia_avi_dev_create_factory(pjsua_get_pool_factory(),
+ app_config.avi_cnt,
+ &avi_factory);
+ if (status != PJ_SUCCESS) {
+ PJ_PERROR(1,(THIS_FILE, status, "Error creating AVI factory"));
+ goto on_error;
+ }
+
+ for (i=0; i<app_config.avi_cnt; ++i) {
+ pjmedia_avi_dev_param avdp;
+ pjmedia_vid_dev_index avid;
+ unsigned strm_idx, strm_cnt;
+
+ app_config.avi[i].dev_id = PJMEDIA_VID_INVALID_DEV;
+ app_config.avi[i].slot = PJSUA_INVALID_ID;
+
+ pjmedia_avi_dev_param_default(&avdp);
+ avdp.path = app_config.avi[i].path;
+
+ status = pjmedia_avi_dev_alloc(avi_factory, &avdp, &avid);
+ if (status != PJ_SUCCESS) {
+ PJ_PERROR(1,(THIS_FILE, status,
+ "Error creating AVI player for %.*s",
+ (int)avdp.path.slen, avdp.path.ptr));
+ goto on_error;
+ }
+
+ PJ_LOG(4,(THIS_FILE, "AVI player %.*s created, dev_id=%d",
+ (int)avdp.title.slen, avdp.title.ptr, avid));
+
+ app_config.avi[i].dev_id = avid;
+ if (app_config.avi_def_idx == PJSUA_INVALID_ID)
+ app_config.avi_def_idx = i;
+
+ strm_cnt = pjmedia_avi_streams_get_num_streams(avdp.avi_streams);
+ for (strm_idx=0; strm_idx<strm_cnt; ++strm_idx) {
+ pjmedia_port *aud;
+ pjmedia_format *fmt;
+ pjsua_conf_port_id slot;
+ char fmt_name[5];
+
+ aud = pjmedia_avi_streams_get_stream(avdp.avi_streams,
+ strm_idx);
+ fmt = &aud->info.fmt;
+
+ pjmedia_fourcc_name(fmt->id, fmt_name);
+
+ if (fmt->id == PJMEDIA_FORMAT_PCM) {
+ status = pjsua_conf_add_port(app_config.pool, aud,
+ &slot);
+ if (status == PJ_SUCCESS) {
+ PJ_LOG(4,(THIS_FILE,
+ "AVI %.*s: audio added to slot %d",
+ (int)avdp.title.slen, avdp.title.ptr,
+ slot));
+ app_config.avi[i].slot = slot;
+ }
+ } else {
+ PJ_LOG(4,(THIS_FILE,
+ "AVI %.*s: audio ignored, format=%s",
+ (int)avdp.title.slen, avdp.title.ptr,
+ fmt_name));
+ }
+ }
+ }
+#else
+ PJ_LOG(2,(THIS_FILE,
+ "Warning: --play-avi is ignored because AVI is disabled"));
+#endif /* PJMEDIA_VIDEO_DEV_HAS_AVI */
+ }
+
+ /* Add UDP transport unless it's disabled. */
+ if (!app_config.no_udp) {
+ pjsua_acc_id aid;
+ pjsip_transport_type_e type = PJSIP_TRANSPORT_UDP;
+
+ status = pjsua_transport_create(type,
+ &app_config.udp_cfg,
+ &transport_id);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Add local account */
+ pjsua_acc_add_local(transport_id, PJ_TRUE, &aid);
+ if (PJMEDIA_HAS_VIDEO) {
+ pjsua_acc_config acc_cfg;
+ pjsua_acc_get_config(aid, &acc_cfg);
+ app_config_init_video(&acc_cfg);
+ pjsua_acc_modify(aid, &acc_cfg);
+ }
+ //pjsua_acc_set_transport(aid, transport_id);
+ pjsua_acc_set_online_status(current_acc, PJ_TRUE);
+
+ if (app_config.udp_cfg.port == 0) {
+ pjsua_transport_info ti;
+ pj_sockaddr_in *a;
+
+ pjsua_transport_get_info(transport_id, &ti);
+ a = (pj_sockaddr_in*)&ti.local_addr;
+
+ tcp_cfg.port = pj_ntohs(a->sin_port);
+ }
+ }
+
+ /* Add UDP IPv6 transport unless it's disabled. */
+ if (!app_config.no_udp && app_config.ipv6) {
+ pjsua_acc_id aid;
+ pjsip_transport_type_e type = PJSIP_TRANSPORT_UDP6;
+ pjsua_transport_config udp_cfg;
+
+ udp_cfg = app_config.udp_cfg;
+ if (udp_cfg.port == 0)
+ udp_cfg.port = 5060;
+ else
+ udp_cfg.port += 10;
+ status = pjsua_transport_create(type,
+ &udp_cfg,
+ &transport_id);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Add local account */
+ pjsua_acc_add_local(transport_id, PJ_TRUE, &aid);
+ if (PJMEDIA_HAS_VIDEO) {
+ pjsua_acc_config acc_cfg;
+ pjsua_acc_get_config(aid, &acc_cfg);
+ app_config_init_video(&acc_cfg);
+ if (app_config.ipv6)
+ acc_cfg.ipv6_media_use = PJSUA_IPV6_ENABLED;
+ pjsua_acc_modify(aid, &acc_cfg);
+ }
+ //pjsua_acc_set_transport(aid, transport_id);
+ pjsua_acc_set_online_status(current_acc, PJ_TRUE);
+
+ if (app_config.udp_cfg.port == 0) {
+ pjsua_transport_info ti;
+ pj_sockaddr_in *a;
+
+ pjsua_transport_get_info(transport_id, &ti);
+ a = (pj_sockaddr_in*)&ti.local_addr;
+
+ tcp_cfg.port = pj_ntohs(a->sin_port);
+ }
+ }
+
+ /* Add TCP transport unless it's disabled */
+ if (!app_config.no_tcp) {
+ pjsua_acc_id aid;
+
+ status = pjsua_transport_create(PJSIP_TRANSPORT_TCP,
+ &tcp_cfg,
+ &transport_id);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Add local account */
+ pjsua_acc_add_local(transport_id, PJ_TRUE, &aid);
+ if (PJMEDIA_HAS_VIDEO) {
+ pjsua_acc_config acc_cfg;
+ pjsua_acc_get_config(aid, &acc_cfg);
+ app_config_init_video(&acc_cfg);
+ pjsua_acc_modify(aid, &acc_cfg);
+ }
+ pjsua_acc_set_online_status(current_acc, PJ_TRUE);
+
+ }
+
+ /* Add TCP IPv6 transport unless it's disabled. */
+ if (!app_config.no_tcp && app_config.ipv6) {
+ pjsua_acc_id aid;
+ pjsip_transport_type_e type = PJSIP_TRANSPORT_TCP6;
+
+ tcp_cfg.port += 10;
+
+ status = pjsua_transport_create(type,
+ &tcp_cfg,
+ &transport_id);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Add local account */
+ pjsua_acc_add_local(transport_id, PJ_TRUE, &aid);
+ if (PJMEDIA_HAS_VIDEO) {
+ pjsua_acc_config acc_cfg;
+ pjsua_acc_get_config(aid, &acc_cfg);
+ app_config_init_video(&acc_cfg);
+ if (app_config.ipv6)
+ acc_cfg.ipv6_media_use = PJSUA_IPV6_ENABLED;
+ pjsua_acc_modify(aid, &acc_cfg);
+ }
+ //pjsua_acc_set_transport(aid, transport_id);
+ pjsua_acc_set_online_status(current_acc, PJ_TRUE);
+ }
+
+
+#if defined(PJSIP_HAS_TLS_TRANSPORT) && PJSIP_HAS_TLS_TRANSPORT!=0
+ /* Add TLS transport when application wants one */
+ if (app_config.use_tls) {
+
+ pjsua_acc_id acc_id;
+
+ /* Copy the QoS settings */
+ tcp_cfg.tls_setting.qos_type = tcp_cfg.qos_type;
+ pj_memcpy(&tcp_cfg.tls_setting.qos_params, &tcp_cfg.qos_params,
+ sizeof(tcp_cfg.qos_params));
+
+ /* Set TLS port as TCP port+1 */
+ tcp_cfg.port++;
+ status = pjsua_transport_create(PJSIP_TRANSPORT_TLS,
+ &tcp_cfg,
+ &transport_id);
+ tcp_cfg.port--;
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Add local account */
+ pjsua_acc_add_local(transport_id, PJ_FALSE, &acc_id);
+ if (PJMEDIA_HAS_VIDEO) {
+ pjsua_acc_config acc_cfg;
+ pjsua_acc_get_config(acc_id, &acc_cfg);
+ app_config_init_video(&acc_cfg);
+ pjsua_acc_modify(acc_id, &acc_cfg);
+ }
+ pjsua_acc_set_online_status(acc_id, PJ_TRUE);
+ }
+
+ /* Add TLS IPv6 transport unless it's disabled. */
+ if (app_config.use_tls && app_config.ipv6) {
+ pjsua_acc_id aid;
+ pjsip_transport_type_e type = PJSIP_TRANSPORT_TLS6;
+
+ tcp_cfg.port += 10;
+
+ status = pjsua_transport_create(type,
+ &tcp_cfg,
+ &transport_id);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+
+ /* Add local account */
+ pjsua_acc_add_local(transport_id, PJ_TRUE, &aid);
+ if (PJMEDIA_HAS_VIDEO) {
+ pjsua_acc_config acc_cfg;
+ pjsua_acc_get_config(aid, &acc_cfg);
+ app_config_init_video(&acc_cfg);
+ if (app_config.ipv6)
+ acc_cfg.ipv6_media_use = PJSUA_IPV6_ENABLED;
+ pjsua_acc_modify(aid, &acc_cfg);
+ }
+ //pjsua_acc_set_transport(aid, transport_id);
+ pjsua_acc_set_online_status(current_acc, PJ_TRUE);
+ }
+
+#endif
+
+ if (transport_id == -1) {
+ PJ_LOG(1,(THIS_FILE, "Error: no transport is configured"));
+ status = -1;
+ goto on_error;
+ }
+
+
+ /* Add accounts */
+ for (i=0; i<app_config.acc_cnt; ++i) {
+ app_config.acc_cfg[i].rtp_cfg = app_config.rtp_cfg;
+ app_config.acc_cfg[i].reg_retry_interval = 300;
+ app_config.acc_cfg[i].reg_first_retry_interval = 60;
+
+ app_config_init_video(&app_config.acc_cfg[i]);
+
+ status = pjsua_acc_add(&app_config.acc_cfg[i], PJ_TRUE, NULL);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+ pjsua_acc_set_online_status(current_acc, PJ_TRUE);
+ }
+
+ /* Add buddies */
+ for (i=0; i<app_config.buddy_cnt; ++i) {
+ status = pjsua_buddy_add(&app_config.buddy_cfg[i], NULL);
+ if (status != PJ_SUCCESS) {
+ PJ_PERROR(1,(THIS_FILE, status, "Error adding buddy"));
+ goto on_error;
+ }
+ }
+
+ /* Optionally disable some codec */
+ for (i=0; i<app_config.codec_dis_cnt; ++i) {
+ pjsua_codec_set_priority(&app_config.codec_dis[i],
+ PJMEDIA_CODEC_PRIO_DISABLED);
+#if PJSUA_HAS_VIDEO
+ pjsua_vid_codec_set_priority(&app_config.codec_dis[i],
+ PJMEDIA_CODEC_PRIO_DISABLED);
+#endif
+ }
+
+ /* Optionally set codec orders */
+ for (i=0; i<app_config.codec_cnt; ++i) {
+ pjsua_codec_set_priority(&app_config.codec_arg[i],
+ (pj_uint8_t)(PJMEDIA_CODEC_PRIO_NORMAL+i+9));
+#if PJSUA_HAS_VIDEO
+ pjsua_vid_codec_set_priority(&app_config.codec_arg[i],
+ (pj_uint8_t)(PJMEDIA_CODEC_PRIO_NORMAL+i+9));
+#endif
+ }
+
+ /* Use null sound device? */
+#ifndef STEREO_DEMO
+ if (app_config.null_audio) {
+ status = pjsua_set_null_snd_dev();
+ if (status != PJ_SUCCESS)
+ return status;
+ }
+#endif
+
+ if (app_config.capture_dev != PJSUA_INVALID_ID ||
+ app_config.playback_dev != PJSUA_INVALID_ID)
+ {
+ status = pjsua_set_snd_dev(app_config.capture_dev,
+ app_config.playback_dev);
+ if (status != PJ_SUCCESS)
+ goto on_error;
+ }
+
+ /* Init call setting */
+ pjsua_call_setting_default(&call_opt);
+ call_opt.aud_cnt = app_config.aud_cnt;
+ call_opt.vid_cnt = app_config.vid.vid_cnt;
+
+ return PJ_SUCCESS;
+
+on_error:
+ app_destroy();
+ return status;
+}
+
+pj_status_t pjsua_app_init(const pjsua_app_cfg_t *cfg)
+{
+ pj_status_t status;
+ pj_memcpy(&app_cfg, cfg, sizeof(app_cfg));
+
+ status = app_init();
+ if (status != PJ_SUCCESS)
+ return status;
+
+ /* Init CLI if configured */
+ if (app_config.use_cli) {
+ status = cli_init();
+ }
+ return status;
+}
+
+pj_status_t pjsua_app_run(pj_bool_t wait_telnet_cli)
+{
+ pj_thread_t *stdout_refresh_thread = NULL;
+ pj_status_t status;
+
+ /* Start console refresh thread */
+ if (stdout_refresh > 0) {
+ pj_thread_create(app_config.pool, "stdout", &stdout_refresh_proc,
+ NULL, 0, 0, &stdout_refresh_thread);
+ }
+
+ status = pjsua_start();
+ if (status != PJ_SUCCESS)
+ goto on_return;
+
+ if (app_config.use_cli && (app_config.cli_cfg.cli_fe & CLI_FE_TELNET)) {
+ char info[128];
+ cli_get_info(info, sizeof(info));
+ if (app_cfg.on_started) {
+ (*app_cfg.on_started)(status, info);
+ }
+ } else {
+ if (app_cfg.on_started) {
+ (*app_cfg.on_started)(status, "Ready");
+ }
+ }
+
+ /* If user specifies URI to call, then call the URI */
+ if (uri_arg.slen) {
+ pjsua_call_setting_default(&call_opt);
+ call_opt.aud_cnt = app_config.aud_cnt;
+ call_opt.vid_cnt = app_config.vid.vid_cnt;
+
+ pjsua_call_make_call(current_acc, &uri_arg, &call_opt, NULL,
+ NULL, NULL);
+ }
+
+ app_running = PJ_TRUE;
+
+ if (app_config.use_cli)
+ cli_main(wait_telnet_cli);
+ else
+ legacy_main();
+
+ status = PJ_SUCCESS;
+
+on_return:
+ if (stdout_refresh_thread) {
+ stdout_refresh_quit = PJ_TRUE;
+ pj_thread_join(stdout_refresh_thread);
+ pj_thread_destroy(stdout_refresh_thread);
+ stdout_refresh_quit = PJ_FALSE;
+ }
+ return status;
+}
+
+static pj_status_t app_destroy()
+{
+ pj_status_t status = PJ_SUCCESS;
+ unsigned i;
+ pj_bool_t use_cli = PJ_FALSE;
+ int cli_fe = 0;
+ pj_uint16_t cli_telnet_port = 0;
+
+#ifdef STEREO_DEMO
+ if (app_config.snd) {
+ pjmedia_snd_port_destroy(app_config.snd);
+ app_config.snd = NULL;
+ }
+ if (app_config.sc_ch1) {
+ pjsua_conf_remove_port(app_config.sc_ch1_slot);
+ app_config.sc_ch1_slot = PJSUA_INVALID_ID;
+ pjmedia_port_destroy(app_config.sc_ch1);
+ app_config.sc_ch1 = NULL;
+ }
+ if (app_config.sc) {
+ pjmedia_port_destroy(app_config.sc);
+ app_config.sc = NULL;
+ }
+#endif
+
+ /* Close avi devs and ports */
+ for (i=0; i<app_config.avi_cnt; ++i) {
+ if (app_config.avi[i].slot != PJSUA_INVALID_ID)
+ pjsua_conf_remove_port(app_config.avi[i].slot);
+#if PJMEDIA_HAS_VIDEO && PJMEDIA_VIDEO_DEV_HAS_AVI
+ if (app_config.avi[i].dev_id != PJMEDIA_VID_INVALID_DEV)
+ pjmedia_avi_dev_free(app_config.avi[i].dev_id);
+#endif
+ }
+
+ /* Close ringback port */
+ if (app_config.ringback_port &&
+ app_config.ringback_slot != PJSUA_INVALID_ID)
+ {
+ pjsua_conf_remove_port(app_config.ringback_slot);
+ app_config.ringback_slot = PJSUA_INVALID_ID;
+ pjmedia_port_destroy(app_config.ringback_port);
+ app_config.ringback_port = NULL;
+ }
+
+ /* Close ring port */
+ if (app_config.ring_port && app_config.ring_slot != PJSUA_INVALID_ID) {
+ pjsua_conf_remove_port(app_config.ring_slot);
+ app_config.ring_slot = PJSUA_INVALID_ID;
+ pjmedia_port_destroy(app_config.ring_port);
+ app_config.ring_port = NULL;
+ }
+
+ /* Close tone generators */
+ for (i=0; i<app_config.tone_count; ++i) {
+ pjsua_conf_remove_port(app_config.tone_slots[i]);
+ }
+
+ if (app_config.pool) {
+ pj_pool_release(app_config.pool);
+ app_config.pool = NULL;
+ }
+
+ status = pjsua_destroy();
+
+ if (app_config.use_cli) {
+ use_cli = app_config.use_cli;
+ cli_fe = app_config.cli_cfg.cli_fe;
+ cli_telnet_port = app_config.cli_cfg.telnet_cfg.port;
+ }
+
+ /* Reset config */
+ pj_bzero(&app_config, sizeof(app_config));
+
+ if (use_cli) {
+ app_config.use_cli = use_cli;
+ app_config.cli_cfg.cli_fe = cli_fe;
+ app_config.cli_cfg.telnet_cfg.port = cli_telnet_port;
+ }
+
+ return status;
+}
+
+pj_status_t pjsua_app_destroy()
+{
+ pj_status_t status;
+
+ status = app_destroy();
+
+ if (app_config.use_cli) {
+ cli_destroy();
+ }
+
+ return status;
+}
+
+/** ======================= **/
+
+#ifdef STEREO_DEMO
+/*
+ * In this stereo demo, we open the sound device in stereo mode and
+ * arrange the attachment to the PJSUA-LIB conference bridge as such
+ * so that channel0/left channel of the sound device corresponds to
+ * slot 0 in the bridge, and channel1/right channel of the sound
+ * device corresponds to slot 1 in the bridge. Then user can independently
+ * feed different media to/from the speakers/microphones channels, by
+ * connecting them to slot 0 or 1 respectively.
+ *
+ * Here's how the connection looks like:
+ *
+ +-----------+ stereo +-----------------+ 2x mono +-----------+
+ | AUDIO DEV |<------>| SPLITCOMB left|<------->|#0 BRIDGE |
+ +-----------+ | right|<------->|#1 |
+ +-----------------+ +-----------+
+ */
+static void stereo_demo()
+{
+ pjmedia_port *conf;
+ pj_status_t status;
+
+ /* Disable existing sound device */
+ conf = pjsua_set_no_snd_dev();
+
+ /* Create stereo-mono splitter/combiner */
+ status = pjmedia_splitcomb_create(app_config.pool,
+ conf->info.clock_rate /* clock rate */,
+ 2 /* stereo */,
+ 2 * conf->info.samples_per_frame,
+ conf->info.bits_per_sample,
+ 0 /* options */,
+ &app_config.sc);
+ pj_assert(status == PJ_SUCCESS);
+
+ /* Connect channel0 (left channel?) to conference port slot0 */
+ status = pjmedia_splitcomb_set_channel(app_config.sc, 0 /* ch0 */,
+ 0 /*options*/,
+ conf);
+ pj_assert(status == PJ_SUCCESS);
+
+ /* Create reverse channel for channel1 (right channel?)... */
+ status = pjmedia_splitcomb_create_rev_channel(app_config.pool,
+ app_config.sc,
+ 1 /* ch1 */,
+ 0 /* options */,
+ &app_config.sc_ch1);
+ pj_assert(status == PJ_SUCCESS);
+
+ /* .. and register it to conference bridge (it would be slot1
+ * if there's no other devices connected to the bridge)
+ */
+ status = pjsua_conf_add_port(app_config.pool, app_config.sc_ch1,
+ &app_config.sc_ch1_slot);
+ pj_assert(status == PJ_SUCCESS);
+
+ /* Create sound device */
+ status = pjmedia_snd_port_create(app_config.pool, -1, -1,
+ conf->info.clock_rate,
+ 2 /* stereo */,
+ 2 * conf->info.samples_per_frame,
+ conf->info.bits_per_sample,
+ 0, &app_config.snd);
+ pj_assert(status == PJ_SUCCESS);
+
+
+ /* Connect the splitter to the sound device */
+ status = pjmedia_snd_port_connect(app_config.snd, app_config.sc);
+ pj_assert(status == PJ_SUCCESS);
+}
+#endif