| /* $Id$ */ |
| /* |
| * 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 <pjsua-lib/pjsua_internal.h> |
| |
| |
| #define THIS_FILE "pjsua_media.c" |
| |
| #define DEFAULT_RTP_PORT 4000 |
| |
| #define NULL_SND_DEV_ID -99 |
| |
| #ifndef PJSUA_REQUIRE_CONSECUTIVE_RTCP_PORT |
| # define PJSUA_REQUIRE_CONSECUTIVE_RTCP_PORT 0 |
| #endif |
| |
| |
| /* Next RTP port to be used */ |
| static pj_uint16_t next_rtp_port; |
| |
| /* Close existing sound device */ |
| static void close_snd_dev(void); |
| |
| |
| static void pjsua_media_config_dup(pj_pool_t *pool, |
| pjsua_media_config *dst, |
| const pjsua_media_config *src) |
| { |
| pj_memcpy(dst, src, sizeof(*src)); |
| pj_strdup(pool, &dst->turn_server, &src->turn_server); |
| pj_stun_auth_cred_dup(pool, &dst->turn_auth_cred, &src->turn_auth_cred); |
| } |
| |
| /** |
| * Init media subsystems. |
| */ |
| pj_status_t pjsua_media_subsys_init(const pjsua_media_config *cfg) |
| { |
| pj_str_t codec_id = {NULL, 0}; |
| unsigned opt; |
| pj_status_t status; |
| |
| /* To suppress warning about unused var when all codecs are disabled */ |
| PJ_UNUSED_ARG(codec_id); |
| |
| /* Copy configuration */ |
| pjsua_media_config_dup(pjsua_var.pool, &pjsua_var.media_cfg, cfg); |
| |
| /* Normalize configuration */ |
| if (pjsua_var.media_cfg.snd_clock_rate == 0) { |
| pjsua_var.media_cfg.snd_clock_rate = pjsua_var.media_cfg.clock_rate; |
| } |
| |
| if (pjsua_var.media_cfg.has_ioqueue && |
| pjsua_var.media_cfg.thread_cnt == 0) |
| { |
| pjsua_var.media_cfg.thread_cnt = 1; |
| } |
| |
| if (pjsua_var.media_cfg.max_media_ports < pjsua_var.ua_cfg.max_calls) { |
| pjsua_var.media_cfg.max_media_ports = pjsua_var.ua_cfg.max_calls + 2; |
| } |
| |
| /* Create media endpoint. */ |
| status = pjmedia_endpt_create(&pjsua_var.cp.factory, |
| pjsua_var.media_cfg.has_ioqueue? NULL : |
| pjsip_endpt_get_ioqueue(pjsua_var.endpt), |
| pjsua_var.media_cfg.thread_cnt, |
| &pjsua_var.med_endpt); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, |
| "Media stack initialization has returned error", |
| status); |
| return status; |
| } |
| |
| /* Register all codecs */ |
| #if PJMEDIA_HAS_SPEEX_CODEC |
| /* Register speex. */ |
| status = pjmedia_codec_speex_init(pjsua_var.med_endpt, |
| 0, |
| pjsua_var.media_cfg.quality, |
| -1); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing Speex codec", |
| status); |
| return status; |
| } |
| |
| /* Set speex/16000 to higher priority*/ |
| codec_id = pj_str("speex/16000"); |
| pjmedia_codec_mgr_set_codec_priority( |
| pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt), |
| &codec_id, PJMEDIA_CODEC_PRIO_NORMAL+2); |
| |
| /* Set speex/8000 to next higher priority*/ |
| codec_id = pj_str("speex/8000"); |
| pjmedia_codec_mgr_set_codec_priority( |
| pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt), |
| &codec_id, PJMEDIA_CODEC_PRIO_NORMAL+1); |
| |
| |
| |
| #endif /* PJMEDIA_HAS_SPEEX_CODEC */ |
| |
| #if PJMEDIA_HAS_ILBC_CODEC |
| /* Register iLBC. */ |
| status = pjmedia_codec_ilbc_init( pjsua_var.med_endpt, |
| pjsua_var.media_cfg.ilbc_mode); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing iLBC codec", |
| status); |
| return status; |
| } |
| #endif /* PJMEDIA_HAS_ILBC_CODEC */ |
| |
| #if PJMEDIA_HAS_GSM_CODEC |
| /* Register GSM */ |
| status = pjmedia_codec_gsm_init(pjsua_var.med_endpt); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing GSM codec", |
| status); |
| return status; |
| } |
| #endif /* PJMEDIA_HAS_GSM_CODEC */ |
| |
| #if PJMEDIA_HAS_G711_CODEC |
| /* Register PCMA and PCMU */ |
| status = pjmedia_codec_g711_init(pjsua_var.med_endpt); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing G711 codec", |
| status); |
| return status; |
| } |
| #endif /* PJMEDIA_HAS_G711_CODEC */ |
| |
| #if PJMEDIA_HAS_G722_CODEC |
| status = pjmedia_codec_g722_init( pjsua_var.med_endpt ); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing G722 codec", |
| status); |
| return status; |
| } |
| #endif /* PJMEDIA_HAS_G722_CODEC */ |
| |
| #if PJMEDIA_HAS_L16_CODEC |
| /* Register L16 family codecs, but disable all */ |
| status = pjmedia_codec_l16_init(pjsua_var.med_endpt, 0); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing L16 codecs", |
| status); |
| return status; |
| } |
| |
| /* Disable ALL L16 codecs */ |
| codec_id = pj_str("L16"); |
| pjmedia_codec_mgr_set_codec_priority( |
| pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt), |
| &codec_id, PJMEDIA_CODEC_PRIO_DISABLED); |
| |
| #endif /* PJMEDIA_HAS_L16_CODEC */ |
| |
| |
| /* Save additional conference bridge parameters for future |
| * reference. |
| */ |
| pjsua_var.mconf_cfg.channel_count = pjsua_var.media_cfg.channel_count; |
| pjsua_var.mconf_cfg.bits_per_sample = 16; |
| pjsua_var.mconf_cfg.samples_per_frame = pjsua_var.media_cfg.clock_rate * |
| pjsua_var.mconf_cfg.channel_count * |
| pjsua_var.media_cfg.audio_frame_ptime / |
| 1000; |
| |
| /* Init options for conference bridge. */ |
| opt = PJMEDIA_CONF_NO_DEVICE; |
| if (pjsua_var.media_cfg.quality >= 3 && |
| pjsua_var.media_cfg.quality <= 4) |
| { |
| opt |= PJMEDIA_CONF_SMALL_FILTER; |
| } |
| else if (pjsua_var.media_cfg.quality < 3) { |
| opt |= PJMEDIA_CONF_USE_LINEAR; |
| } |
| |
| |
| /* Init conference bridge. */ |
| status = pjmedia_conf_create(pjsua_var.pool, |
| pjsua_var.media_cfg.max_media_ports, |
| pjsua_var.media_cfg.clock_rate, |
| pjsua_var.mconf_cfg.channel_count, |
| pjsua_var.mconf_cfg.samples_per_frame, |
| pjsua_var.mconf_cfg.bits_per_sample, |
| opt, &pjsua_var.mconf); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error creating conference bridge", |
| status); |
| return status; |
| } |
| |
| /* Create null port just in case user wants to use null sound. */ |
| status = pjmedia_null_port_create(pjsua_var.pool, |
| pjsua_var.media_cfg.clock_rate, |
| pjsua_var.mconf_cfg.channel_count, |
| pjsua_var.mconf_cfg.samples_per_frame, |
| pjsua_var.mconf_cfg.bits_per_sample, |
| &pjsua_var.null_port); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| /* Perform NAT detection */ |
| pjsua_detect_nat_type(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Create RTP and RTCP socket pair, and possibly resolve their public |
| * address via STUN. |
| */ |
| static pj_status_t create_rtp_rtcp_sock(const pjsua_transport_config *cfg, |
| pjmedia_sock_info *skinfo) |
| { |
| enum { |
| RTP_RETRY = 100 |
| }; |
| int i; |
| pj_sockaddr_in bound_addr; |
| pj_sockaddr_in mapped_addr[2]; |
| pj_status_t status = PJ_SUCCESS; |
| char addr_buf[PJ_INET6_ADDRSTRLEN+2]; |
| pj_sock_t sock[2]; |
| |
| /* Make sure STUN server resolution has completed */ |
| status = pjsua_resolve_stun_server(PJ_TRUE); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error resolving STUN server", status); |
| return status; |
| } |
| |
| if (next_rtp_port == 0) |
| next_rtp_port = (pj_uint16_t)cfg->port; |
| |
| for (i=0; i<2; ++i) |
| sock[i] = PJ_INVALID_SOCKET; |
| |
| bound_addr.sin_addr.s_addr = PJ_INADDR_ANY; |
| if (cfg->bound_addr.slen) { |
| status = pj_sockaddr_in_set_str_addr(&bound_addr, &cfg->bound_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to resolve transport bind address", |
| status); |
| return status; |
| } |
| } |
| |
| /* Loop retry to bind RTP and RTCP sockets. */ |
| for (i=0; i<RTP_RETRY; ++i, next_rtp_port += 2) { |
| |
| /* Create and bind RTP socket. */ |
| status = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &sock[0]); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "socket() error", status); |
| return status; |
| } |
| |
| status=pj_sock_bind_in(sock[0], pj_ntohl(bound_addr.sin_addr.s_addr), |
| next_rtp_port); |
| if (status != PJ_SUCCESS) { |
| pj_sock_close(sock[0]); |
| sock[0] = PJ_INVALID_SOCKET; |
| continue; |
| } |
| |
| /* Create and bind RTCP socket. */ |
| status = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, &sock[1]); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "socket() error", status); |
| pj_sock_close(sock[0]); |
| return status; |
| } |
| |
| status=pj_sock_bind_in(sock[1], pj_ntohl(bound_addr.sin_addr.s_addr), |
| (pj_uint16_t)(next_rtp_port+1)); |
| if (status != PJ_SUCCESS) { |
| pj_sock_close(sock[0]); |
| sock[0] = PJ_INVALID_SOCKET; |
| |
| pj_sock_close(sock[1]); |
| sock[1] = PJ_INVALID_SOCKET; |
| continue; |
| } |
| |
| /* |
| * If we're configured to use STUN, then find out the mapped address, |
| * and make sure that the mapped RTCP port is adjacent with the RTP. |
| */ |
| if (pjsua_var.stun_srv.addr.sa_family != 0) { |
| char ip_addr[32]; |
| pj_str_t stun_srv; |
| |
| pj_ansi_strcpy(ip_addr, |
| pj_inet_ntoa(pjsua_var.stun_srv.ipv4.sin_addr)); |
| stun_srv = pj_str(ip_addr); |
| |
| status=pjstun_get_mapped_addr(&pjsua_var.cp.factory, 2, sock, |
| &stun_srv, pj_ntohs(pjsua_var.stun_srv.ipv4.sin_port), |
| &stun_srv, pj_ntohs(pjsua_var.stun_srv.ipv4.sin_port), |
| mapped_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "STUN resolve error", status); |
| goto on_error; |
| } |
| |
| #if PJSUA_REQUIRE_CONSECUTIVE_RTCP_PORT |
| if (pj_ntohs(mapped_addr[1].sin_port) == |
| pj_ntohs(mapped_addr[0].sin_port)+1) |
| { |
| /* Success! */ |
| break; |
| } |
| |
| pj_sock_close(sock[0]); |
| sock[0] = PJ_INVALID_SOCKET; |
| |
| pj_sock_close(sock[1]); |
| sock[1] = PJ_INVALID_SOCKET; |
| #else |
| if (pj_ntohs(mapped_addr[1].sin_port) != |
| pj_ntohs(mapped_addr[0].sin_port)+1) |
| { |
| PJ_LOG(4,(THIS_FILE, |
| "Note: STUN mapped RTCP port %d is not adjacent" |
| " to RTP port %d", |
| pj_ntohs(mapped_addr[1].sin_port), |
| pj_ntohs(mapped_addr[0].sin_port))); |
| } |
| /* Success! */ |
| break; |
| #endif |
| |
| } else if (cfg->public_addr.slen) { |
| |
| status = pj_sockaddr_in_init(&mapped_addr[0], &cfg->public_addr, |
| (pj_uint16_t)next_rtp_port); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| status = pj_sockaddr_in_init(&mapped_addr[1], &cfg->public_addr, |
| (pj_uint16_t)(next_rtp_port+1)); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| break; |
| |
| } else { |
| |
| if (bound_addr.sin_addr.s_addr == 0) { |
| pj_sockaddr addr; |
| |
| /* Get local IP address. */ |
| status = pj_gethostip(pj_AF_INET(), &addr); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| bound_addr.sin_addr.s_addr = addr.ipv4.sin_addr.s_addr; |
| } |
| |
| for (i=0; i<2; ++i) { |
| pj_sockaddr_in_init(&mapped_addr[i], NULL, 0); |
| mapped_addr[i].sin_addr.s_addr = bound_addr.sin_addr.s_addr; |
| } |
| |
| mapped_addr[0].sin_port=pj_htons((pj_uint16_t)next_rtp_port); |
| mapped_addr[1].sin_port=pj_htons((pj_uint16_t)(next_rtp_port+1)); |
| break; |
| } |
| } |
| |
| if (sock[0] == PJ_INVALID_SOCKET) { |
| PJ_LOG(1,(THIS_FILE, |
| "Unable to find appropriate RTP/RTCP ports combination")); |
| goto on_error; |
| } |
| |
| |
| skinfo->rtp_sock = sock[0]; |
| pj_memcpy(&skinfo->rtp_addr_name, |
| &mapped_addr[0], sizeof(pj_sockaddr_in)); |
| |
| skinfo->rtcp_sock = sock[1]; |
| pj_memcpy(&skinfo->rtcp_addr_name, |
| &mapped_addr[1], sizeof(pj_sockaddr_in)); |
| |
| PJ_LOG(4,(THIS_FILE, "RTP socket reachable at %s", |
| pj_sockaddr_print(&skinfo->rtp_addr_name, addr_buf, |
| sizeof(addr_buf), 3))); |
| PJ_LOG(4,(THIS_FILE, "RTCP socket reachable at %s", |
| pj_sockaddr_print(&skinfo->rtcp_addr_name, addr_buf, |
| sizeof(addr_buf), 3))); |
| |
| next_rtp_port += 2; |
| return PJ_SUCCESS; |
| |
| on_error: |
| for (i=0; i<2; ++i) { |
| if (sock[i] != PJ_INVALID_SOCKET) |
| pj_sock_close(sock[i]); |
| } |
| return status; |
| } |
| |
| /* Check if sound device is idle. */ |
| static void check_snd_dev_idle() |
| { |
| |
| /* Activate sound device auto-close timer if sound device is idle. |
| * It is idle when there is no port connection in the bridge. |
| */ |
| if ((pjsua_var.snd_port!=NULL || pjsua_var.null_snd!=NULL) && |
| pjsua_var.snd_idle_timer.id == PJ_FALSE && |
| pjmedia_conf_get_connect_count(pjsua_var.mconf) == 0 && |
| pjsua_var.media_cfg.snd_auto_close_time >= 0) |
| { |
| pj_time_val delay; |
| |
| delay.msec = 0; |
| delay.sec = pjsua_var.media_cfg.snd_auto_close_time; |
| |
| pjsua_var.snd_idle_timer.id = PJ_TRUE; |
| pjsip_endpt_schedule_timer(pjsua_var.endpt, &pjsua_var.snd_idle_timer, |
| &delay); |
| } |
| } |
| |
| |
| /* Timer callback to close sound device */ |
| static void close_snd_timer_cb( pj_timer_heap_t *th, |
| pj_timer_entry *entry) |
| { |
| PJ_UNUSED_ARG(th); |
| |
| PJ_LOG(4,(THIS_FILE,"Closing sound device after idle for %d seconds", |
| pjsua_var.media_cfg.snd_auto_close_time)); |
| |
| entry->id = PJ_FALSE; |
| |
| close_snd_dev(); |
| } |
| |
| |
| /* |
| * Start pjsua media subsystem. |
| */ |
| pj_status_t pjsua_media_subsys_start(void) |
| { |
| pj_status_t status; |
| |
| /* Create media for calls, if none is specified */ |
| if (pjsua_var.calls[0].med_tp == NULL) { |
| pjsua_transport_config transport_cfg; |
| |
| /* Create default transport config */ |
| pjsua_transport_config_default(&transport_cfg); |
| transport_cfg.port = DEFAULT_RTP_PORT; |
| |
| status = pjsua_media_transports_create(&transport_cfg); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| pj_timer_entry_init(&pjsua_var.snd_idle_timer, PJ_FALSE, NULL, |
| &close_snd_timer_cb); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Destroy pjsua media subsystem. |
| */ |
| pj_status_t pjsua_media_subsys_destroy(void) |
| { |
| unsigned i; |
| |
| close_snd_dev(); |
| |
| if (pjsua_var.mconf) { |
| pjmedia_conf_destroy(pjsua_var.mconf); |
| pjsua_var.mconf = NULL; |
| } |
| |
| if (pjsua_var.null_port) { |
| pjmedia_port_destroy(pjsua_var.null_port); |
| pjsua_var.null_port = NULL; |
| } |
| |
| /* Destroy file players */ |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.player); ++i) { |
| if (pjsua_var.player[i].port) { |
| pjmedia_port_destroy(pjsua_var.player[i].port); |
| pjsua_var.player[i].port = NULL; |
| } |
| } |
| |
| /* Destroy file recorders */ |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.recorder); ++i) { |
| if (pjsua_var.recorder[i].port) { |
| pjmedia_port_destroy(pjsua_var.recorder[i].port); |
| pjsua_var.recorder[i].port = NULL; |
| } |
| } |
| |
| /* Close media transports */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| if (pjsua_var.calls[i].med_tp) { |
| (*pjsua_var.calls[i].med_tp->op->destroy)(pjsua_var.calls[i].med_tp); |
| pjsua_var.calls[i].med_tp = NULL; |
| } |
| } |
| |
| /* Destroy media endpoint. */ |
| if (pjsua_var.med_endpt) { |
| |
| /* Shutdown all codecs: */ |
| # if PJMEDIA_HAS_SPEEX_CODEC |
| pjmedia_codec_speex_deinit(); |
| # endif /* PJMEDIA_HAS_SPEEX_CODEC */ |
| |
| # if PJMEDIA_HAS_GSM_CODEC |
| pjmedia_codec_gsm_deinit(); |
| # endif /* PJMEDIA_HAS_GSM_CODEC */ |
| |
| # if PJMEDIA_HAS_G711_CODEC |
| pjmedia_codec_g711_deinit(); |
| # endif /* PJMEDIA_HAS_G711_CODEC */ |
| |
| # if PJMEDIA_HAS_G722_CODEC |
| pjmedia_codec_g722_deinit(); |
| # endif /* PJMEDIA_HAS_G722_CODEC */ |
| |
| # if PJMEDIA_HAS_L16_CODEC |
| pjmedia_codec_l16_deinit(); |
| # endif /* PJMEDIA_HAS_L16_CODEC */ |
| |
| pjmedia_endpt_destroy(pjsua_var.med_endpt); |
| pjsua_var.med_endpt = NULL; |
| |
| /* Deinitialize sound subsystem */ |
| // Not necessary, as pjmedia_snd_deinit() should have been called |
| // in pjmedia_endpt_destroy(). |
| //pjmedia_snd_deinit(); |
| } |
| |
| /* Reset RTP port */ |
| next_rtp_port = 0; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* Create normal UDP media transports */ |
| static pj_status_t create_udp_media_transports(pjsua_transport_config *cfg) |
| { |
| unsigned i; |
| pjmedia_sock_info skinfo; |
| pj_status_t status; |
| |
| /* Create each media transport */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| |
| status = create_rtp_rtcp_sock(cfg, &skinfo); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create RTP/RTCP socket", |
| status); |
| goto on_error; |
| } |
| |
| status = pjmedia_transport_udp_attach(pjsua_var.med_endpt, NULL, |
| &skinfo, 0, |
| &pjsua_var.calls[i].med_tp); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create media transport", |
| status); |
| goto on_error; |
| } |
| |
| pjmedia_transport_simulate_lost(pjsua_var.calls[i].med_tp, |
| PJMEDIA_DIR_ENCODING, |
| pjsua_var.media_cfg.tx_drop_pct); |
| |
| pjmedia_transport_simulate_lost(pjsua_var.calls[i].med_tp, |
| PJMEDIA_DIR_DECODING, |
| pjsua_var.media_cfg.rx_drop_pct); |
| |
| } |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| if (pjsua_var.calls[i].med_tp != NULL) { |
| pjmedia_transport_close(pjsua_var.calls[i].med_tp); |
| pjsua_var.calls[i].med_tp = NULL; |
| } |
| } |
| |
| return status; |
| } |
| |
| |
| /* This callback is called when ICE negotiation completes */ |
| static void on_ice_complete(pjmedia_transport *tp, |
| pj_ice_strans_op op, |
| pj_status_t result) |
| { |
| unsigned id; |
| pj_bool_t found = PJ_FALSE; |
| |
| /* Find call which has this media transport */ |
| |
| PJSUA_LOCK(); |
| |
| for (id=0; id<pjsua_var.ua_cfg.max_calls; ++id) { |
| if (pjsua_var.calls[id].med_tp == tp || |
| pjsua_var.calls[id].med_orig == tp) |
| { |
| found = PJ_TRUE; |
| break; |
| } |
| } |
| |
| PJSUA_UNLOCK(); |
| |
| if (!found) |
| return; |
| |
| switch (op) { |
| case PJ_ICE_STRANS_OP_INIT: |
| pjsua_var.calls[id].med_tp_ready = result; |
| break; |
| case PJ_ICE_STRANS_OP_NEGOTIATION: |
| if (result != PJ_SUCCESS) { |
| pjsua_var.calls[id].media_st = PJSUA_CALL_MEDIA_ERROR; |
| pjsua_var.calls[id].media_dir = PJMEDIA_DIR_NONE; |
| |
| if (pjsua_var.ua_cfg.cb.on_call_media_state) { |
| pjsua_var.ua_cfg.cb.on_call_media_state(id); |
| } |
| } |
| break; |
| } |
| } |
| |
| |
| /* Parse "HOST:PORT" format */ |
| static pj_status_t parse_host_port(const pj_str_t *host_port, |
| pj_str_t *host, pj_uint16_t *port) |
| { |
| pj_str_t str_port; |
| |
| str_port.ptr = pj_strchr(host_port, ':'); |
| if (str_port.ptr != NULL) { |
| int iport; |
| |
| host->ptr = host_port->ptr; |
| host->slen = (str_port.ptr - host->ptr); |
| str_port.ptr++; |
| str_port.slen = host_port->slen - host->slen - 1; |
| iport = (int)pj_strtoul(&str_port); |
| if (iport < 1 || iport > 65535) |
| return PJ_EINVAL; |
| *port = (pj_uint16_t)iport; |
| } else { |
| *host = *host_port; |
| *port = 0; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* Create ICE media transports (when ice is enabled) */ |
| static pj_status_t create_ice_media_transports(void) |
| { |
| char stunip[PJ_INET6_ADDRSTRLEN]; |
| pj_ice_strans_cfg ice_cfg; |
| unsigned i; |
| pj_status_t status; |
| |
| /* Make sure STUN server resolution has completed */ |
| status = pjsua_resolve_stun_server(PJ_TRUE); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error resolving STUN server", status); |
| return status; |
| } |
| |
| /* Create ICE stream transport configuration */ |
| pj_ice_strans_cfg_default(&ice_cfg); |
| pj_stun_config_init(&ice_cfg.stun_cfg, &pjsua_var.cp.factory, 0, |
| pjsip_endpt_get_ioqueue(pjsua_var.endpt), |
| pjsip_endpt_get_timer_heap(pjsua_var.endpt)); |
| |
| ice_cfg.af = pj_AF_INET(); |
| ice_cfg.resolver = pjsua_var.resolver; |
| |
| /* Configure STUN settings */ |
| if (pj_sockaddr_has_addr(&pjsua_var.stun_srv)) { |
| pj_sockaddr_print(&pjsua_var.stun_srv, stunip, sizeof(stunip), 0); |
| ice_cfg.stun.server = pj_str(stunip); |
| ice_cfg.stun.port = pj_sockaddr_get_port(&pjsua_var.stun_srv); |
| } |
| ice_cfg.stun.no_host_cands = pjsua_var.media_cfg.ice_no_host_cands; |
| |
| /* Configure TURN settings */ |
| if (pjsua_var.media_cfg.enable_turn) { |
| status = parse_host_port(&pjsua_var.media_cfg.turn_server, |
| &ice_cfg.turn.server, |
| &ice_cfg.turn.port); |
| if (status != PJ_SUCCESS || ice_cfg.turn.server.slen == 0) { |
| PJ_LOG(1,(THIS_FILE, "Invalid TURN server setting")); |
| return PJ_EINVAL; |
| } |
| if (ice_cfg.turn.port == 0) |
| ice_cfg.turn.port = 3479; |
| ice_cfg.turn.conn_type = pjsua_var.media_cfg.turn_conn_type; |
| pj_memcpy(&ice_cfg.turn.auth_cred, |
| &pjsua_var.media_cfg.turn_auth_cred, |
| sizeof(ice_cfg.turn.auth_cred)); |
| } |
| |
| /* Create each media transport */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| pjmedia_ice_cb ice_cb; |
| char name[32]; |
| unsigned comp_cnt; |
| |
| pj_bzero(&ice_cb, sizeof(pjmedia_ice_cb)); |
| ice_cb.on_ice_complete = &on_ice_complete; |
| pj_ansi_snprintf(name, sizeof(name), "icetp%02d", i); |
| pjsua_var.calls[i].med_tp_ready = PJ_EPENDING; |
| |
| comp_cnt = 1; |
| if (PJMEDIA_ADVERTISE_RTCP) |
| ++comp_cnt; |
| |
| status = pjmedia_ice_create(pjsua_var.med_endpt, name, comp_cnt, |
| &ice_cfg, &ice_cb, |
| &pjsua_var.calls[i].med_tp); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create ICE media transport", |
| status); |
| goto on_error; |
| } |
| |
| /* Wait until transport is initialized, or time out */ |
| PJSUA_UNLOCK(); |
| while (pjsua_var.calls[i].med_tp_ready == PJ_EPENDING) { |
| pjsua_handle_events(100); |
| } |
| PJSUA_LOCK(); |
| if (pjsua_var.calls[i].med_tp_ready != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing ICE media transport", |
| pjsua_var.calls[i].med_tp_ready); |
| status = pjsua_var.calls[i].med_tp_ready; |
| goto on_error; |
| } |
| |
| pjmedia_transport_simulate_lost(pjsua_var.calls[i].med_tp, |
| PJMEDIA_DIR_ENCODING, |
| pjsua_var.media_cfg.tx_drop_pct); |
| |
| pjmedia_transport_simulate_lost(pjsua_var.calls[i].med_tp, |
| PJMEDIA_DIR_DECODING, |
| pjsua_var.media_cfg.rx_drop_pct); |
| } |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| if (pjsua_var.calls[i].med_tp != NULL) { |
| pjmedia_transport_close(pjsua_var.calls[i].med_tp); |
| pjsua_var.calls[i].med_tp = NULL; |
| } |
| } |
| |
| return status; |
| } |
| |
| |
| /* |
| * Create UDP media transports for all the calls. This function creates |
| * one UDP media transport for each call. |
| */ |
| PJ_DEF(pj_status_t) pjsua_media_transports_create( |
| const pjsua_transport_config *app_cfg) |
| { |
| pjsua_transport_config cfg; |
| unsigned i; |
| pj_status_t status; |
| |
| |
| /* Make sure pjsua_init() has been called */ |
| PJ_ASSERT_RETURN(pjsua_var.ua_cfg.max_calls>0, PJ_EINVALIDOP); |
| |
| PJSUA_LOCK(); |
| |
| /* Delete existing media transports */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| if (pjsua_var.calls[i].med_tp != NULL) { |
| pjmedia_transport_close(pjsua_var.calls[i].med_tp); |
| pjsua_var.calls[i].med_tp = NULL; |
| } |
| } |
| |
| /* Copy config */ |
| pjsua_transport_config_dup(pjsua_var.pool, &cfg, app_cfg); |
| |
| if (pjsua_var.media_cfg.enable_ice) { |
| status = create_ice_media_transports(); |
| } else { |
| status = create_udp_media_transports(&cfg); |
| } |
| |
| |
| PJSUA_UNLOCK(); |
| |
| return status; |
| } |
| |
| |
| pj_status_t pjsua_media_channel_init(pjsua_call_id call_id, |
| pjsip_role_e role, |
| int security_level, |
| pj_pool_t *tmp_pool, |
| const pjmedia_sdp_session *rem_sdp, |
| int *sip_err_code) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pj_status_t status; |
| |
| #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) |
| pjsua_acc *acc = &pjsua_var.acc[call->acc_id]; |
| pjmedia_srtp_setting srtp_opt; |
| pjmedia_transport *srtp = NULL; |
| #endif |
| |
| PJ_UNUSED_ARG(role); |
| |
| /* Return error if media transport has not been created yet |
| * (e.g. application is starting) |
| */ |
| if (call->med_tp == NULL) { |
| return PJ_EBUSY; |
| } |
| |
| #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) |
| /* This function may be called when SRTP transport already exists |
| * (e.g: in re-invite, update), don't need to destroy/re-create. |
| */ |
| if (!call->med_orig || call->med_tp == call->med_orig) { |
| |
| /* Check if SRTP requires secure signaling */ |
| if (acc->cfg.use_srtp != PJMEDIA_SRTP_DISABLED) { |
| if (security_level < acc->cfg.srtp_secure_signaling) { |
| if (sip_err_code) |
| *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE; |
| return PJSIP_ESESSIONINSECURE; |
| } |
| } |
| |
| /* Always create SRTP adapter */ |
| pjmedia_srtp_setting_default(&srtp_opt); |
| srtp_opt.close_member_tp = PJ_FALSE; |
| /* If media session has been ever established, let's use remote's |
| * preference in SRTP usage policy, especially when it is stricter. |
| */ |
| if (call->rem_srtp_use > acc->cfg.use_srtp) |
| srtp_opt.use = call->rem_srtp_use; |
| else |
| srtp_opt.use = acc->cfg.use_srtp; |
| |
| status = pjmedia_transport_srtp_create(pjsua_var.med_endpt, |
| call->med_tp, |
| &srtp_opt, &srtp); |
| if (status != PJ_SUCCESS) { |
| if (sip_err_code) |
| *sip_err_code = PJSIP_SC_INTERNAL_SERVER_ERROR; |
| return status; |
| } |
| |
| /* Set SRTP as current media transport */ |
| call->med_orig = call->med_tp; |
| call->med_tp = srtp; |
| } |
| #else |
| call->med_orig = call->med_tp; |
| PJ_UNUSED_ARG(security_level); |
| #endif |
| |
| /* Find out which media line in SDP that we support. If we are offerer, |
| * audio will be at index 0 in SDP. |
| */ |
| if (rem_sdp == 0) { |
| call->audio_idx = 0; |
| } |
| /* Otherwise find out the candidate audio media line in SDP */ |
| else { |
| unsigned i; |
| pj_bool_t srtp_active; |
| |
| #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) |
| srtp_active = acc->cfg.use_srtp && srtp != NULL; |
| #else |
| srtp_active = PJ_FALSE; |
| #endif |
| |
| /* Media count must have been checked */ |
| pj_assert(rem_sdp->media_count != 0); |
| |
| for (i=0; i<rem_sdp->media_count; ++i) { |
| const pjmedia_sdp_media *m = rem_sdp->media[i]; |
| |
| /* Skip if media is not audio */ |
| if (pj_stricmp2(&m->desc.media, "audio") != 0) |
| continue; |
| |
| /* Skip if media is disabled */ |
| if (m->desc.port == 0) |
| continue; |
| |
| /* Skip if transport is not supported */ |
| if (pj_stricmp2(&m->desc.transport, "RTP/AVP") != 0 && |
| pj_stricmp2(&m->desc.transport, "RTP/SAVP") != 0) |
| { |
| continue; |
| } |
| |
| if (call->audio_idx == -1) { |
| call->audio_idx = i; |
| } else { |
| /* We've found multiple candidates. This could happen |
| * e.g. when remote is offering both RTP/AVP and RTP/AVP, |
| * or when remote for some reason offers two audio. |
| */ |
| |
| if (srtp_active && |
| pj_stricmp2(&m->desc.transport, "RTP/SAVP")==0) |
| { |
| /* Prefer RTP/SAVP when our media transport is SRTP */ |
| call->audio_idx = i; |
| } else if (!srtp_active && |
| pj_stricmp2(&m->desc.transport, "RTP/AVP")==0) |
| { |
| /* Prefer RTP/AVP when our media transport is NOT SRTP */ |
| call->audio_idx = i; |
| } |
| } |
| } |
| } |
| |
| /* Reject offer if we couldn't find a good m=audio line in offer */ |
| if (call->audio_idx < 0) { |
| if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE_HERE; |
| pjsua_media_channel_deinit(call_id); |
| return PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE_HERE); |
| } |
| |
| PJ_LOG(4,(THIS_FILE, "Media index %d selected for call %d", |
| call->audio_idx, call->index)); |
| |
| /* Create the media transport */ |
| status = pjmedia_transport_media_create(call->med_tp, tmp_pool, 0, |
| rem_sdp, call->audio_idx); |
| if (status != PJ_SUCCESS) { |
| if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE; |
| pjsua_media_channel_deinit(call_id); |
| return status; |
| } |
| |
| call->med_tp_st = PJSUA_MED_TP_INIT; |
| return PJ_SUCCESS; |
| } |
| |
| pj_status_t pjsua_media_channel_create_sdp(pjsua_call_id call_id, |
| pj_pool_t *pool, |
| const pjmedia_sdp_session *rem_sdp, |
| pjmedia_sdp_session **p_sdp, |
| int *sip_status_code) |
| { |
| enum { MAX_MEDIA = 1 }; |
| pjmedia_sdp_session *sdp; |
| pjmedia_transport_info tpinfo; |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pj_status_t status; |
| |
| /* Return error if media transport has not been created yet |
| * (e.g. application is starting) |
| */ |
| if (call->med_tp == NULL) { |
| return PJ_EBUSY; |
| } |
| |
| /* Media index must have been determined before */ |
| pj_assert(call->audio_idx != -1); |
| |
| /* Create media if it's not created. This could happen when call is |
| * currently on-hold |
| */ |
| if (call->med_tp_st == PJSUA_MED_TP_IDLE) { |
| pjsip_role_e role; |
| role = (rem_sdp ? PJSIP_ROLE_UAS : PJSIP_ROLE_UAC); |
| status = pjsua_media_channel_init(call_id, role, call->secure_level, |
| pool, rem_sdp, sip_status_code); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| /* Get media socket info */ |
| pjmedia_transport_info_init(&tpinfo); |
| pjmedia_transport_get_info(call->med_tp, &tpinfo); |
| |
| /* Create SDP */ |
| status = pjmedia_endpt_create_sdp(pjsua_var.med_endpt, pool, MAX_MEDIA, |
| &tpinfo.sock_info, &sdp); |
| if (status != PJ_SUCCESS) { |
| if (sip_status_code) *sip_status_code = 500; |
| return status; |
| } |
| |
| /* If we're answering and the selected media is not the first media |
| * in SDP, then fill in the unselected media with with zero port. |
| * Otherwise we'll crash in transport_encode_sdp() because the media |
| * lines are not aligned between offer and answer. |
| */ |
| if (rem_sdp && call->audio_idx != 0) { |
| unsigned i; |
| |
| for (i=0; i<rem_sdp->media_count; ++i) { |
| const pjmedia_sdp_media *rem_m = rem_sdp->media[i]; |
| pjmedia_sdp_media *m; |
| const pjmedia_sdp_attr *a; |
| |
| if ((int)i == call->audio_idx) |
| continue; |
| |
| m = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_media); |
| pj_strdup(pool, &m->desc.media, &rem_m->desc.media); |
| pj_strdup(pool, &m->desc.transport, &rem_m->desc.transport); |
| m->desc.port = 0; |
| |
| /* Add one format, copy from the offer. And copy the corresponding |
| * rtpmap and fmtp attributes too. |
| */ |
| m->desc.fmt_count = 1; |
| pj_strdup(pool, &m->desc.fmt[0], &rem_m->desc.fmt[0]); |
| if ((a=pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr, |
| "rtpmap", &m->desc.fmt[0])) != NULL) |
| { |
| m->attr[m->attr_count++] = pjmedia_sdp_attr_clone(pool, a); |
| } |
| if ((a=pjmedia_sdp_attr_find2(rem_m->attr_count, rem_m->attr, |
| "fmtp", &m->desc.fmt[0])) != NULL) |
| { |
| m->attr[m->attr_count++] = pjmedia_sdp_attr_clone(pool, a); |
| } |
| |
| if (i==sdp->media_count) |
| sdp->media[sdp->media_count++] = m; |
| else { |
| pj_array_insert(sdp->media, sizeof(sdp->media[0]), |
| sdp->media_count, i, &m); |
| ++sdp->media_count; |
| } |
| } |
| } |
| |
| /* Add NAT info in the SDP */ |
| if (pjsua_var.ua_cfg.nat_type_in_sdp) { |
| pjmedia_sdp_attr *a; |
| pj_str_t value; |
| char nat_info[80]; |
| |
| value.ptr = nat_info; |
| if (pjsua_var.ua_cfg.nat_type_in_sdp == 1) { |
| value.slen = pj_ansi_snprintf(nat_info, sizeof(nat_info), |
| "%d", pjsua_var.nat_type); |
| } else { |
| const char *type_name = pj_stun_get_nat_name(pjsua_var.nat_type); |
| value.slen = pj_ansi_snprintf(nat_info, sizeof(nat_info), |
| "%d %s", |
| pjsua_var.nat_type, |
| type_name); |
| } |
| |
| a = pjmedia_sdp_attr_create(pool, "X-nat", &value); |
| |
| pjmedia_sdp_attr_add(&sdp->attr_count, sdp->attr, a); |
| |
| } |
| |
| /* Give the SDP to media transport */ |
| status = pjmedia_transport_encode_sdp(call->med_tp, pool, sdp, rem_sdp, |
| call->audio_idx); |
| if (status != PJ_SUCCESS) { |
| if (sip_status_code) *sip_status_code = PJSIP_SC_NOT_ACCEPTABLE; |
| return status; |
| } |
| |
| *p_sdp = sdp; |
| return PJ_SUCCESS; |
| } |
| |
| |
| static void stop_media_session(pjsua_call_id call_id) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| |
| if (call->conf_slot != PJSUA_INVALID_ID) { |
| if (pjsua_var.mconf) { |
| pjsua_conf_remove_port(call->conf_slot); |
| } |
| call->conf_slot = PJSUA_INVALID_ID; |
| } |
| |
| if (call->session) { |
| if (pjsua_var.ua_cfg.cb.on_stream_destroyed) { |
| pjsua_var.ua_cfg.cb.on_stream_destroyed(call_id, call->session, 0); |
| } |
| |
| pjmedia_session_destroy(call->session); |
| call->session = NULL; |
| |
| PJ_LOG(4,(THIS_FILE, "Media session for call %d is destroyed", |
| call_id)); |
| |
| } |
| |
| call->media_st = PJSUA_CALL_MEDIA_NONE; |
| } |
| |
| pj_status_t pjsua_media_channel_deinit(pjsua_call_id call_id) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| |
| stop_media_session(call_id); |
| |
| if (call->med_tp_st != PJSUA_MED_TP_IDLE) { |
| pjmedia_transport_media_stop(call->med_tp); |
| call->med_tp_st = PJSUA_MED_TP_IDLE; |
| } |
| |
| if (call->med_orig && call->med_tp != call->med_orig) { |
| pjmedia_transport_close(call->med_tp); |
| call->med_tp = call->med_orig; |
| } |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * DTMF callback from the stream. |
| */ |
| static void dtmf_callback(pjmedia_stream *strm, void *user_data, |
| int digit) |
| { |
| PJ_UNUSED_ARG(strm); |
| |
| /* For discussions about call mutex protection related to this |
| * callback, please see ticket #460: |
| * http://trac.pjsip.org/repos/ticket/460#comment:4 |
| */ |
| if (pjsua_var.ua_cfg.cb.on_dtmf_digit) { |
| pjsua_call_id call_id; |
| |
| call_id = (pjsua_call_id)(long)user_data; |
| pjsua_var.ua_cfg.cb.on_dtmf_digit(call_id, digit); |
| } |
| } |
| |
| |
| pj_status_t pjsua_media_channel_update(pjsua_call_id call_id, |
| const pjmedia_sdp_session *local_sdp, |
| const pjmedia_sdp_session *remote_sdp) |
| { |
| int prev_media_st = 0; |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pjmedia_session_info sess_info; |
| pjmedia_stream_info *si = NULL; |
| pjmedia_port *media_port; |
| pj_status_t status; |
| |
| /* Destroy existing media session, if any. */ |
| prev_media_st = call->media_st; |
| stop_media_session(call->index); |
| |
| /* Create media session info based on SDP parameters. |
| */ |
| status = pjmedia_session_info_from_sdp( call->inv->dlg->pool, |
| pjsua_var.med_endpt, |
| PJMEDIA_MAX_SDP_MEDIA, &sess_info, |
| local_sdp, remote_sdp); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| /* Find which session is audio */ |
| PJ_ASSERT_RETURN(call->audio_idx != -1, PJ_EBUG); |
| PJ_ASSERT_RETURN(call->audio_idx < (int)sess_info.stream_cnt, PJ_EBUG); |
| si = &sess_info.stream_info[call->audio_idx]; |
| |
| /* Reset session info with only one media stream */ |
| sess_info.stream_cnt = 1; |
| if (si != &sess_info.stream_info[0]) |
| pj_memcpy(&sess_info.stream_info[0], si, sizeof(pjmedia_stream_info)); |
| |
| /* Check if media is put on-hold */ |
| if (sess_info.stream_cnt == 0 || si->dir == PJMEDIA_DIR_NONE) |
| { |
| |
| /* Determine who puts the call on-hold */ |
| if (prev_media_st == PJSUA_CALL_MEDIA_ACTIVE) { |
| if (pjmedia_sdp_neg_was_answer_remote(call->inv->neg)) { |
| /* It was local who offer hold */ |
| call->media_st = PJSUA_CALL_MEDIA_LOCAL_HOLD; |
| } else { |
| call->media_st = PJSUA_CALL_MEDIA_REMOTE_HOLD; |
| } |
| } |
| |
| call->media_dir = PJMEDIA_DIR_NONE; |
| |
| /* Shutdown transport's session */ |
| pjmedia_transport_media_stop(call->med_tp); |
| call->med_tp_st = PJSUA_MED_TP_IDLE; |
| |
| /* No need because we need keepalive? */ |
| |
| /* Close upper entry of transport stack */ |
| if (call->med_orig && (call->med_tp != call->med_orig)) { |
| pjmedia_transport_close(call->med_tp); |
| call->med_tp = call->med_orig; |
| } |
| |
| } else { |
| pjmedia_transport_info tp_info; |
| |
| /* Start/restart media transport */ |
| status = pjmedia_transport_media_start(call->med_tp, |
| call->inv->pool, |
| local_sdp, remote_sdp, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| call->med_tp_st = PJSUA_MED_TP_RUNNING; |
| |
| /* Get remote SRTP usage policy */ |
| pjmedia_transport_info_init(&tp_info); |
| pjmedia_transport_get_info(call->med_tp, &tp_info); |
| if (tp_info.specific_info_cnt > 0) { |
| int i; |
| for (i = 0; i < tp_info.specific_info_cnt; ++i) { |
| if (tp_info.spc_info[i].type == PJMEDIA_TRANSPORT_TYPE_SRTP) |
| { |
| pjmedia_srtp_info *srtp_info = |
| (pjmedia_srtp_info*) tp_info.spc_info[i].buffer; |
| |
| call->rem_srtp_use = srtp_info->peer_use; |
| break; |
| } |
| } |
| } |
| |
| /* Override ptime, if this option is specified. */ |
| if (pjsua_var.media_cfg.ptime != 0) { |
| si->param->setting.frm_per_pkt = (pj_uint8_t) |
| (pjsua_var.media_cfg.ptime / si->param->info.frm_ptime); |
| if (si->param->setting.frm_per_pkt == 0) |
| si->param->setting.frm_per_pkt = 1; |
| } |
| |
| /* Disable VAD, if this option is specified. */ |
| if (pjsua_var.media_cfg.no_vad) { |
| si->param->setting.vad = 0; |
| } |
| |
| |
| /* Optionally, application may modify other stream settings here |
| * (such as jitter buffer parameters, codec ptime, etc.) |
| */ |
| si->jb_init = pjsua_var.media_cfg.jb_init; |
| si->jb_min_pre = pjsua_var.media_cfg.jb_min_pre; |
| si->jb_max_pre = pjsua_var.media_cfg.jb_max_pre; |
| si->jb_max = pjsua_var.media_cfg.jb_max; |
| |
| /* Set SSRC */ |
| si->ssrc = call->ssrc; |
| |
| /* Create session based on session info. */ |
| status = pjmedia_session_create( pjsua_var.med_endpt, &sess_info, |
| &call->med_tp, |
| call, &call->session ); |
| if (status != PJ_SUCCESS) { |
| return status; |
| } |
| |
| /* If DTMF callback is installed by application, install our |
| * callback to the session. |
| */ |
| if (pjsua_var.ua_cfg.cb.on_dtmf_digit) { |
| pjmedia_session_set_dtmf_callback(call->session, 0, |
| &dtmf_callback, |
| (void*)(long)(call->index)); |
| } |
| |
| /* Get the port interface of the first stream in the session. |
| * We need the port interface to add to the conference bridge. |
| */ |
| pjmedia_session_get_port(call->session, 0, &media_port); |
| |
| /* Notify application about stream creation. |
| * Note: application may modify media_port to point to different |
| * media port |
| */ |
| if (pjsua_var.ua_cfg.cb.on_stream_created) { |
| pjsua_var.ua_cfg.cb.on_stream_created(call_id, call->session, |
| 0, &media_port); |
| } |
| |
| /* |
| * Add the call to conference bridge. |
| */ |
| { |
| char tmp[PJSIP_MAX_URL_SIZE]; |
| pj_str_t port_name; |
| |
| port_name.ptr = tmp; |
| port_name.slen = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, |
| call->inv->dlg->remote.info->uri, |
| tmp, sizeof(tmp)); |
| if (port_name.slen < 1) { |
| port_name = pj_str("call"); |
| } |
| status = pjmedia_conf_add_port( pjsua_var.mconf, call->inv->pool, |
| media_port, |
| &port_name, |
| (unsigned*)&call->conf_slot); |
| if (status != PJ_SUCCESS) { |
| return status; |
| } |
| } |
| |
| /* Call's media state is active */ |
| call->media_st = PJSUA_CALL_MEDIA_ACTIVE; |
| call->media_dir = si->dir; |
| } |
| |
| /* Print info. */ |
| { |
| char info[80]; |
| int info_len = 0; |
| unsigned i; |
| |
| for (i=0; i<sess_info.stream_cnt; ++i) { |
| int len; |
| const char *dir; |
| pjmedia_stream_info *strm_info = &sess_info.stream_info[i]; |
| |
| switch (strm_info->dir) { |
| case PJMEDIA_DIR_NONE: |
| dir = "inactive"; |
| break; |
| case PJMEDIA_DIR_ENCODING: |
| dir = "sendonly"; |
| break; |
| case PJMEDIA_DIR_DECODING: |
| dir = "recvonly"; |
| break; |
| case PJMEDIA_DIR_ENCODING_DECODING: |
| dir = "sendrecv"; |
| break; |
| default: |
| dir = "unknown"; |
| break; |
| } |
| len = pj_ansi_sprintf( info+info_len, |
| ", stream #%d: %.*s (%s)", i, |
| (int)strm_info->fmt.encoding_name.slen, |
| strm_info->fmt.encoding_name.ptr, |
| dir); |
| if (len > 0) |
| info_len += len; |
| } |
| PJ_LOG(4,(THIS_FILE,"Media updates%s", info)); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Get maxinum number of conference ports. |
| */ |
| PJ_DEF(unsigned) pjsua_conf_get_max_ports(void) |
| { |
| return pjsua_var.media_cfg.max_media_ports; |
| } |
| |
| |
| /* |
| * Get current number of active ports in the bridge. |
| */ |
| PJ_DEF(unsigned) pjsua_conf_get_active_ports(void) |
| { |
| unsigned ports[PJSUA_MAX_CONF_PORTS]; |
| unsigned count = PJ_ARRAY_SIZE(ports); |
| pj_status_t status; |
| |
| status = pjmedia_conf_enum_ports(pjsua_var.mconf, ports, &count); |
| if (status != PJ_SUCCESS) |
| count = 0; |
| |
| return count; |
| } |
| |
| |
| /* |
| * Enumerate all conference ports. |
| */ |
| PJ_DEF(pj_status_t) pjsua_enum_conf_ports(pjsua_conf_port_id id[], |
| unsigned *count) |
| { |
| return pjmedia_conf_enum_ports(pjsua_var.mconf, (unsigned*)id, count); |
| } |
| |
| |
| /* |
| * Get information about the specified conference port |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_get_port_info( pjsua_conf_port_id id, |
| pjsua_conf_port_info *info) |
| { |
| pjmedia_conf_port_info cinfo; |
| unsigned i; |
| pj_status_t status; |
| |
| status = pjmedia_conf_get_port_info( pjsua_var.mconf, id, &cinfo); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| pj_bzero(info, sizeof(*info)); |
| info->slot_id = id; |
| info->name = cinfo.name; |
| info->clock_rate = cinfo.clock_rate; |
| info->channel_count = cinfo.channel_count; |
| info->samples_per_frame = cinfo.samples_per_frame; |
| info->bits_per_sample = cinfo.bits_per_sample; |
| |
| /* Build array of listeners */ |
| info->listener_cnt = cinfo.listener_cnt; |
| for (i=0; i<cinfo.listener_cnt; ++i) { |
| info->listeners[i] = cinfo.listener_slots[i]; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Add arbitrary media port to PJSUA's conference bridge. |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_add_port( pj_pool_t *pool, |
| pjmedia_port *port, |
| pjsua_conf_port_id *p_id) |
| { |
| pj_status_t status; |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| port, NULL, (unsigned*)p_id); |
| if (status != PJ_SUCCESS) { |
| if (p_id) |
| *p_id = PJSUA_INVALID_ID; |
| } |
| |
| return status; |
| } |
| |
| |
| /* |
| * Remove arbitrary slot from the conference bridge. |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_remove_port(pjsua_conf_port_id id) |
| { |
| pj_status_t status; |
| |
| status = pjmedia_conf_remove_port(pjsua_var.mconf, (unsigned)id); |
| check_snd_dev_idle(); |
| |
| return status; |
| } |
| |
| |
| /* |
| * Establish unidirectional media flow from souce to sink. |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_connect( pjsua_conf_port_id source, |
| pjsua_conf_port_id sink) |
| { |
| /* If sound device idle timer is active, cancel it first. */ |
| if (pjsua_var.snd_idle_timer.id) { |
| pjsip_endpt_cancel_timer(pjsua_var.endpt, &pjsua_var.snd_idle_timer); |
| pjsua_var.snd_idle_timer.id = PJ_FALSE; |
| } |
| |
| /* Create sound port if none is instantiated */ |
| if (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL && |
| !pjsua_var.no_snd) |
| { |
| pj_status_t status; |
| |
| status = pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error opening sound device", status); |
| return status; |
| } |
| } |
| |
| return pjmedia_conf_connect_port(pjsua_var.mconf, source, sink, 0); |
| } |
| |
| |
| /* |
| * Disconnect media flow from the source to destination port. |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_disconnect( pjsua_conf_port_id source, |
| pjsua_conf_port_id sink) |
| { |
| pj_status_t status; |
| |
| status = pjmedia_conf_disconnect_port(pjsua_var.mconf, source, sink); |
| check_snd_dev_idle(); |
| |
| return status; |
| } |
| |
| |
| /* |
| * Adjust the signal level to be transmitted from the bridge to the |
| * specified port by making it louder or quieter. |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_adjust_tx_level(pjsua_conf_port_id slot, |
| float level) |
| { |
| return pjmedia_conf_adjust_tx_level(pjsua_var.mconf, slot, |
| (int)((level-1) * 128)); |
| } |
| |
| /* |
| * Adjust the signal level to be received from the specified port (to |
| * the bridge) by making it louder or quieter. |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_adjust_rx_level(pjsua_conf_port_id slot, |
| float level) |
| { |
| return pjmedia_conf_adjust_rx_level(pjsua_var.mconf, slot, |
| (int)((level-1) * 128)); |
| } |
| |
| |
| /* |
| * Get last signal level transmitted to or received from the specified port. |
| */ |
| PJ_DEF(pj_status_t) pjsua_conf_get_signal_level(pjsua_conf_port_id slot, |
| unsigned *tx_level, |
| unsigned *rx_level) |
| { |
| return pjmedia_conf_get_signal_level(pjsua_var.mconf, slot, |
| tx_level, rx_level); |
| } |
| |
| /***************************************************************************** |
| * File player. |
| */ |
| |
| static char* get_basename(const char *path, unsigned len) |
| { |
| char *p = ((char*)path) + len; |
| |
| if (len==0) |
| return p; |
| |
| for (--p; p!=path && *p!='/' && *p!='\\'; ) --p; |
| |
| return (p==path) ? p : p+1; |
| } |
| |
| |
| /* |
| * Create a file player, and automatically connect this player to |
| * the conference bridge. |
| */ |
| PJ_DEF(pj_status_t) pjsua_player_create( const pj_str_t *filename, |
| unsigned options, |
| pjsua_player_id *p_id) |
| { |
| unsigned slot, file_id; |
| char path[PJ_MAXPATH]; |
| pj_pool_t *pool; |
| pjmedia_port *port; |
| pj_status_t status; |
| |
| if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player)) |
| return PJ_ETOOMANY; |
| |
| PJSUA_LOCK(); |
| |
| for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.player); ++file_id) { |
| if (pjsua_var.player[file_id].port == NULL) |
| break; |
| } |
| |
| if (file_id == PJ_ARRAY_SIZE(pjsua_var.player)) { |
| /* This is unexpected */ |
| PJSUA_UNLOCK(); |
| pj_assert(0); |
| return PJ_EBUG; |
| } |
| |
| pj_memcpy(path, filename->ptr, filename->slen); |
| path[filename->slen] = '\0'; |
| |
| pool = pjsua_pool_create(get_basename(path, filename->slen), 1000, 1000); |
| if (!pool) { |
| PJSUA_UNLOCK(); |
| return PJ_ENOMEM; |
| } |
| |
| status = pjmedia_wav_player_port_create( |
| pool, path, |
| pjsua_var.mconf_cfg.samples_per_frame * |
| 1000 / pjsua_var.media_cfg.channel_count / |
| pjsua_var.media_cfg.clock_rate, |
| options, 0, &port); |
| if (status != PJ_SUCCESS) { |
| PJSUA_UNLOCK(); |
| pjsua_perror(THIS_FILE, "Unable to open file for playback", status); |
| pj_pool_release(pool); |
| return status; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| port, filename, &slot); |
| if (status != PJ_SUCCESS) { |
| pjmedia_port_destroy(port); |
| PJSUA_UNLOCK(); |
| pjsua_perror(THIS_FILE, "Unable to add file to conference bridge", |
| status); |
| pj_pool_release(pool); |
| return status; |
| } |
| |
| pjsua_var.player[file_id].type = 0; |
| pjsua_var.player[file_id].pool = pool; |
| pjsua_var.player[file_id].port = port; |
| pjsua_var.player[file_id].slot = slot; |
| |
| if (p_id) *p_id = file_id; |
| |
| ++pjsua_var.player_cnt; |
| |
| PJSUA_UNLOCK(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Create a file playlist media port, and automatically add the port |
| * to the conference bridge. |
| */ |
| PJ_DEF(pj_status_t) pjsua_playlist_create( const pj_str_t file_names[], |
| unsigned file_count, |
| const pj_str_t *label, |
| unsigned options, |
| pjsua_player_id *p_id) |
| { |
| unsigned slot, file_id, ptime; |
| pj_pool_t *pool; |
| pjmedia_port *port; |
| pj_status_t status; |
| |
| if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player)) |
| return PJ_ETOOMANY; |
| |
| PJSUA_LOCK(); |
| |
| for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.player); ++file_id) { |
| if (pjsua_var.player[file_id].port == NULL) |
| break; |
| } |
| |
| if (file_id == PJ_ARRAY_SIZE(pjsua_var.player)) { |
| /* This is unexpected */ |
| PJSUA_UNLOCK(); |
| pj_assert(0); |
| return PJ_EBUG; |
| } |
| |
| |
| ptime = pjsua_var.mconf_cfg.samples_per_frame * 1000 / |
| pjsua_var.media_cfg.clock_rate; |
| |
| pool = pjsua_pool_create("playlist", 1000, 1000); |
| if (!pool) { |
| PJSUA_UNLOCK(); |
| return PJ_ENOMEM; |
| } |
| |
| status = pjmedia_wav_playlist_create(pool, label, |
| file_names, file_count, |
| ptime, options, 0, &port); |
| if (status != PJ_SUCCESS) { |
| PJSUA_UNLOCK(); |
| pjsua_perror(THIS_FILE, "Unable to create playlist", status); |
| pj_pool_release(pool); |
| return status; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| port, &port->info.name, &slot); |
| if (status != PJ_SUCCESS) { |
| pjmedia_port_destroy(port); |
| PJSUA_UNLOCK(); |
| pjsua_perror(THIS_FILE, "Unable to add port", status); |
| pj_pool_release(pool); |
| return status; |
| } |
| |
| pjsua_var.player[file_id].type = 1; |
| pjsua_var.player[file_id].pool = pool; |
| pjsua_var.player[file_id].port = port; |
| pjsua_var.player[file_id].slot = slot; |
| |
| if (p_id) *p_id = file_id; |
| |
| ++pjsua_var.player_cnt; |
| |
| PJSUA_UNLOCK(); |
| return PJ_SUCCESS; |
| |
| } |
| |
| |
| /* |
| * Get conference port ID associated with player. |
| */ |
| PJ_DEF(pjsua_conf_port_id) pjsua_player_get_conf_port(pjsua_player_id id) |
| { |
| PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| |
| return pjsua_var.player[id].slot; |
| } |
| |
| /* |
| * Get the media port for the player. |
| */ |
| PJ_DEF(pj_status_t) pjsua_player_get_port( pjsua_player_id id, |
| pjmedia_port **p_port) |
| { |
| PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| PJ_ASSERT_RETURN(p_port != NULL, PJ_EINVAL); |
| |
| *p_port = pjsua_var.player[id].port; |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* |
| * Set playback position. |
| */ |
| PJ_DEF(pj_status_t) pjsua_player_set_pos( pjsua_player_id id, |
| pj_uint32_t samples) |
| { |
| PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.player[id].type == 0, PJ_EINVAL); |
| |
| return pjmedia_wav_player_port_set_pos(pjsua_var.player[id].port, samples); |
| } |
| |
| |
| /* |
| * Close the file, remove the player from the bridge, and free |
| * resources associated with the file player. |
| */ |
| PJ_DEF(pj_status_t) pjsua_player_destroy(pjsua_player_id id) |
| { |
| PJ_ASSERT_RETURN(id>=0&&id<(int)PJ_ARRAY_SIZE(pjsua_var.player), PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.player[id].port != NULL, PJ_EINVAL); |
| |
| PJSUA_LOCK(); |
| |
| if (pjsua_var.player[id].port) { |
| pjsua_conf_remove_port(pjsua_var.player[id].slot); |
| pjmedia_port_destroy(pjsua_var.player[id].port); |
| pjsua_var.player[id].port = NULL; |
| pjsua_var.player[id].slot = 0xFFFF; |
| pj_pool_release(pjsua_var.player[id].pool); |
| pjsua_var.player[id].pool = NULL; |
| pjsua_var.player_cnt--; |
| } |
| |
| PJSUA_UNLOCK(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /***************************************************************************** |
| * File recorder. |
| */ |
| |
| /* |
| * Create a file recorder, and automatically connect this recorder to |
| * the conference bridge. |
| */ |
| PJ_DEF(pj_status_t) pjsua_recorder_create( const pj_str_t *filename, |
| unsigned enc_type, |
| void *enc_param, |
| pj_ssize_t max_size, |
| unsigned options, |
| pjsua_recorder_id *p_id) |
| { |
| enum Format |
| { |
| FMT_UNKNOWN, |
| FMT_WAV, |
| FMT_MP3, |
| }; |
| unsigned slot, file_id; |
| char path[PJ_MAXPATH]; |
| pj_str_t ext; |
| int file_format; |
| pj_pool_t *pool; |
| pjmedia_port *port; |
| pj_status_t status; |
| |
| /* Filename must present */ |
| PJ_ASSERT_RETURN(filename != NULL, PJ_EINVAL); |
| |
| /* Don't support max_size at present */ |
| PJ_ASSERT_RETURN(max_size == 0 || max_size == -1, PJ_EINVAL); |
| |
| /* Don't support encoding type at present */ |
| PJ_ASSERT_RETURN(enc_type == 0, PJ_EINVAL); |
| |
| if (pjsua_var.rec_cnt >= PJ_ARRAY_SIZE(pjsua_var.recorder)) |
| return PJ_ETOOMANY; |
| |
| /* Determine the file format */ |
| ext.ptr = filename->ptr + filename->slen - 4; |
| ext.slen = 4; |
| |
| if (pj_stricmp2(&ext, ".wav") == 0) |
| file_format = FMT_WAV; |
| else if (pj_stricmp2(&ext, ".mp3") == 0) |
| file_format = FMT_MP3; |
| else { |
| PJ_LOG(1,(THIS_FILE, "pjsua_recorder_create() error: unable to " |
| "determine file format for %.*s", |
| (int)filename->slen, filename->ptr)); |
| return PJ_ENOTSUP; |
| } |
| |
| PJSUA_LOCK(); |
| |
| for (file_id=0; file_id<PJ_ARRAY_SIZE(pjsua_var.recorder); ++file_id) { |
| if (pjsua_var.recorder[file_id].port == NULL) |
| break; |
| } |
| |
| if (file_id == PJ_ARRAY_SIZE(pjsua_var.recorder)) { |
| /* This is unexpected */ |
| PJSUA_UNLOCK(); |
| pj_assert(0); |
| return PJ_EBUG; |
| } |
| |
| pj_memcpy(path, filename->ptr, filename->slen); |
| path[filename->slen] = '\0'; |
| |
| pool = pjsua_pool_create(get_basename(path, filename->slen), 1000, 1000); |
| if (!pool) { |
| PJSUA_UNLOCK(); |
| return PJ_ENOMEM; |
| } |
| |
| if (file_format == FMT_WAV) { |
| status = pjmedia_wav_writer_port_create(pool, path, |
| pjsua_var.media_cfg.clock_rate, |
| pjsua_var.mconf_cfg.channel_count, |
| pjsua_var.mconf_cfg.samples_per_frame, |
| pjsua_var.mconf_cfg.bits_per_sample, |
| options, 0, &port); |
| } else { |
| PJ_UNUSED_ARG(enc_param); |
| port = NULL; |
| status = PJ_ENOTSUP; |
| } |
| |
| if (status != PJ_SUCCESS) { |
| PJSUA_UNLOCK(); |
| pjsua_perror(THIS_FILE, "Unable to open file for recording", status); |
| pj_pool_release(pool); |
| return status; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| port, filename, &slot); |
| if (status != PJ_SUCCESS) { |
| pjmedia_port_destroy(port); |
| PJSUA_UNLOCK(); |
| pj_pool_release(pool); |
| return status; |
| } |
| |
| pjsua_var.recorder[file_id].port = port; |
| pjsua_var.recorder[file_id].slot = slot; |
| pjsua_var.recorder[file_id].pool = pool; |
| |
| if (p_id) *p_id = file_id; |
| |
| ++pjsua_var.rec_cnt; |
| |
| PJSUA_UNLOCK(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Get conference port associated with recorder. |
| */ |
| PJ_DEF(pjsua_conf_port_id) pjsua_recorder_get_conf_port(pjsua_recorder_id id) |
| { |
| PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.recorder), |
| PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| |
| return pjsua_var.recorder[id].slot; |
| } |
| |
| /* |
| * Get the media port for the recorder. |
| */ |
| PJ_DEF(pj_status_t) pjsua_recorder_get_port( pjsua_recorder_id id, |
| pjmedia_port **p_port) |
| { |
| PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.recorder), |
| PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| PJ_ASSERT_RETURN(p_port != NULL, PJ_EINVAL); |
| |
| *p_port = pjsua_var.recorder[id].port; |
| return PJ_SUCCESS; |
| } |
| |
| /* |
| * Destroy recorder (this will complete recording). |
| */ |
| PJ_DEF(pj_status_t) pjsua_recorder_destroy(pjsua_recorder_id id) |
| { |
| PJ_ASSERT_RETURN(id>=0 && id<(int)PJ_ARRAY_SIZE(pjsua_var.recorder), |
| PJ_EINVAL); |
| PJ_ASSERT_RETURN(pjsua_var.recorder[id].port != NULL, PJ_EINVAL); |
| |
| PJSUA_LOCK(); |
| |
| if (pjsua_var.recorder[id].port) { |
| pjsua_conf_remove_port(pjsua_var.recorder[id].slot); |
| pjmedia_port_destroy(pjsua_var.recorder[id].port); |
| pjsua_var.recorder[id].port = NULL; |
| pjsua_var.recorder[id].slot = 0xFFFF; |
| pj_pool_release(pjsua_var.recorder[id].pool); |
| pjsua_var.recorder[id].pool = NULL; |
| pjsua_var.rec_cnt--; |
| } |
| |
| PJSUA_UNLOCK(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /***************************************************************************** |
| * Sound devices. |
| */ |
| |
| /* |
| * Enum sound devices. |
| */ |
| PJ_DEF(pj_status_t) pjsua_enum_snd_devs( pjmedia_snd_dev_info info[], |
| unsigned *count) |
| { |
| unsigned i, dev_count; |
| |
| dev_count = pjmedia_snd_get_dev_count(); |
| |
| if (dev_count > *count) dev_count = *count; |
| |
| for (i=0; i<dev_count; ++i) { |
| const pjmedia_snd_dev_info *ci; |
| |
| ci = pjmedia_snd_get_dev_info(i); |
| pj_memcpy(&info[i], ci, sizeof(*ci)); |
| } |
| |
| *count = dev_count; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* Close existing sound device */ |
| static void close_snd_dev(void) |
| { |
| /* Close sound device */ |
| if (pjsua_var.snd_port) { |
| const pjmedia_snd_dev_info *cap_info, *play_info; |
| |
| cap_info = pjmedia_snd_get_dev_info(pjsua_var.cap_dev); |
| play_info = pjmedia_snd_get_dev_info(pjsua_var.play_dev); |
| |
| PJ_LOG(4,(THIS_FILE, "Closing %s sound playback device and " |
| "%s sound capture device", |
| play_info->name, cap_info->name)); |
| |
| pjmedia_snd_port_disconnect(pjsua_var.snd_port); |
| pjmedia_snd_port_destroy(pjsua_var.snd_port); |
| pjsua_var.snd_port = NULL; |
| } |
| |
| /* Close null sound device */ |
| if (pjsua_var.null_snd) { |
| PJ_LOG(4,(THIS_FILE, "Closing null sound device..")); |
| pjmedia_master_port_destroy(pjsua_var.null_snd, PJ_FALSE); |
| pjsua_var.null_snd = NULL; |
| } |
| |
| if (pjsua_var.snd_pool) |
| pj_pool_release(pjsua_var.snd_pool); |
| pjsua_var.snd_pool = NULL; |
| } |
| |
| /* |
| * Select or change sound device. Application may call this function at |
| * any time to replace current sound device. |
| */ |
| PJ_DEF(pj_status_t) pjsua_set_snd_dev( int capture_dev, |
| int playback_dev) |
| { |
| pjmedia_port *conf_port; |
| const pjmedia_snd_dev_info *play_info; |
| unsigned clock_rates[] = {0, 22050, 44100, 48000, 32000, 16000, |
| 8000}; |
| unsigned selected_clock_rate = 0; |
| unsigned i; |
| pjmedia_snd_stream *strm; |
| pjmedia_snd_stream_info si; |
| pj_str_t tmp; |
| pj_status_t status = -1; |
| |
| /* Check if NULL sound device is used */ |
| if (NULL_SND_DEV_ID == capture_dev || NULL_SND_DEV_ID == playback_dev) { |
| return pjsua_set_null_snd_dev(); |
| } |
| |
| /* Close existing sound port */ |
| close_snd_dev(); |
| |
| /* Create memory pool for sound device. */ |
| pjsua_var.snd_pool = pjsua_pool_create("pjsua_snd", 4000, 4000); |
| PJ_ASSERT_RETURN(pjsua_var.snd_pool, PJ_ENOMEM); |
| |
| /* Set default clock rate */ |
| clock_rates[0] = pjsua_var.media_cfg.snd_clock_rate; |
| if (clock_rates[0] == 0) |
| clock_rates[0] = pjsua_var.media_cfg.clock_rate; |
| |
| /* Get the port0 of the conference bridge. */ |
| conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| pj_assert(conf_port != NULL); |
| |
| /* Attempts to open the sound device with different clock rates */ |
| for (i=0; i<PJ_ARRAY_SIZE(clock_rates); ++i) { |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| unsigned fps; |
| |
| PJ_LOG(4,(THIS_FILE, |
| "pjsua_set_snd_dev(): attempting to open devices " |
| "@%d Hz", clock_rates[i])); |
| |
| /* Create the sound device. Sound port will start immediately. */ |
| fps = 1000 / pjsua_var.media_cfg.audio_frame_ptime; |
| status = pjmedia_snd_port_create(pjsua_var.snd_pool, capture_dev, |
| playback_dev, |
| clock_rates[i], |
| pjsua_var.media_cfg.channel_count, |
| clock_rates[i]/fps * |
| pjsua_var.media_cfg.channel_count, |
| 16, 0, &pjsua_var.snd_port); |
| |
| if (status == PJ_SUCCESS) { |
| selected_clock_rate = clock_rates[i]; |
| |
| /* If there's mismatch between sound port and conference's port, |
| * create a resample port to bridge them. |
| */ |
| if (selected_clock_rate != pjsua_var.media_cfg.clock_rate) { |
| pjmedia_port *resample_port; |
| unsigned resample_opt = 0; |
| |
| if (pjsua_var.media_cfg.quality >= 3 && |
| pjsua_var.media_cfg.quality <= 4) |
| { |
| resample_opt |= PJMEDIA_RESAMPLE_USE_SMALL_FILTER; |
| } |
| else if (pjsua_var.media_cfg.quality < 3) { |
| resample_opt |= PJMEDIA_RESAMPLE_USE_LINEAR; |
| } |
| |
| status = pjmedia_resample_port_create(pjsua_var.snd_pool, |
| conf_port, |
| selected_clock_rate, |
| resample_opt, |
| &resample_port); |
| if (status != PJ_SUCCESS) { |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| PJ_LOG(4, (THIS_FILE, |
| "Error creating resample port, trying next " |
| "clock rate", |
| errmsg)); |
| pjmedia_snd_port_destroy(pjsua_var.snd_port); |
| pjsua_var.snd_port = NULL; |
| continue; |
| } else { |
| conf_port = resample_port; |
| break; |
| } |
| |
| } else { |
| break; |
| } |
| } |
| |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| PJ_LOG(4, (THIS_FILE, "..failed: %s", errmsg)); |
| } |
| |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to open sound device", status); |
| return status; |
| } |
| |
| /* Set AEC */ |
| pjmedia_snd_port_set_ec( pjsua_var.snd_port, pjsua_var.snd_pool, |
| pjsua_var.media_cfg.ec_tail_len, |
| pjsua_var.media_cfg.ec_options); |
| |
| /* Connect sound port to the bridge */ |
| status = pjmedia_snd_port_connect(pjsua_var.snd_port, |
| conf_port ); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to connect conference port to " |
| "sound device", status); |
| pjmedia_snd_port_destroy(pjsua_var.snd_port); |
| pjsua_var.snd_port = NULL; |
| return status; |
| } |
| |
| /* Save the device IDs */ |
| pjsua_var.cap_dev = capture_dev; |
| pjsua_var.play_dev = playback_dev; |
| |
| /* Update sound device name. */ |
| strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| pjmedia_snd_stream_get_info(strm, &si); |
| play_info = pjmedia_snd_get_dev_info(si.rec_id); |
| |
| if (si.clock_rate != pjsua_var.media_cfg.clock_rate) { |
| char tmp_buf[128]; |
| int tmp_buf_len = sizeof(tmp_buf); |
| |
| tmp_buf_len = pj_ansi_snprintf(tmp_buf, sizeof(tmp_buf)-1, "%s (%dKHz)", |
| play_info->name, si.clock_rate/1000); |
| pj_strset(&tmp, tmp_buf, tmp_buf_len); |
| pjmedia_conf_set_port0_name(pjsua_var.mconf, &tmp); |
| } else { |
| pjmedia_conf_set_port0_name(pjsua_var.mconf, |
| pj_cstr(&tmp, play_info->name)); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Get currently active sound devices. If sound devices has not been created |
| * (for example when pjsua_start() is not called), it is possible that |
| * the function returns PJ_SUCCESS with -1 as device IDs. |
| */ |
| PJ_DEF(pj_status_t) pjsua_get_snd_dev(int *capture_dev, |
| int *playback_dev) |
| { |
| if (capture_dev) { |
| *capture_dev = pjsua_var.cap_dev; |
| } |
| if (playback_dev) { |
| *playback_dev = pjsua_var.play_dev; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Use null sound device. |
| */ |
| PJ_DEF(pj_status_t) pjsua_set_null_snd_dev(void) |
| { |
| pjmedia_port *conf_port; |
| pj_status_t status; |
| |
| /* Close existing sound device */ |
| close_snd_dev(); |
| |
| /* Create memory pool for sound device. */ |
| pjsua_var.snd_pool = pjsua_pool_create("pjsua_snd", 4000, 4000); |
| PJ_ASSERT_RETURN(pjsua_var.snd_pool, PJ_ENOMEM); |
| |
| PJ_LOG(4,(THIS_FILE, "Opening null sound device..")); |
| |
| /* Get the port0 of the conference bridge. */ |
| conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| pj_assert(conf_port != NULL); |
| |
| /* Create master port, connecting port0 of the conference bridge to |
| * a null port. |
| */ |
| status = pjmedia_master_port_create(pjsua_var.snd_pool, pjsua_var.null_port, |
| conf_port, 0, &pjsua_var.null_snd); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create null sound device", |
| status); |
| return status; |
| } |
| |
| /* Start the master port */ |
| status = pjmedia_master_port_start(pjsua_var.null_snd); |
| PJ_ASSERT_RETURN(status == PJ_SUCCESS, status); |
| |
| pjsua_var.cap_dev = NULL_SND_DEV_ID; |
| pjsua_var.play_dev = NULL_SND_DEV_ID; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| |
| /* |
| * Use no device! |
| */ |
| PJ_DEF(pjmedia_port*) pjsua_set_no_snd_dev(void) |
| { |
| /* Close existing sound device */ |
| close_snd_dev(); |
| |
| pjsua_var.no_snd = PJ_TRUE; |
| return pjmedia_conf_get_master_port(pjsua_var.mconf); |
| } |
| |
| |
| /* |
| * Configure the AEC settings of the sound port. |
| */ |
| PJ_DEF(pj_status_t) pjsua_set_ec(unsigned tail_ms, unsigned options) |
| { |
| pjsua_var.media_cfg.ec_tail_len = tail_ms; |
| |
| if (pjsua_var.snd_port) |
| return pjmedia_snd_port_set_ec( pjsua_var.snd_port, pjsua_var.pool, |
| tail_ms, options); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Get current AEC tail length. |
| */ |
| PJ_DEF(pj_status_t) pjsua_get_ec_tail(unsigned *p_tail_ms) |
| { |
| *p_tail_ms = pjsua_var.media_cfg.ec_tail_len; |
| return PJ_SUCCESS; |
| } |
| |
| |
| /***************************************************************************** |
| * Codecs. |
| */ |
| |
| /* |
| * Enum all supported codecs in the system. |
| */ |
| PJ_DEF(pj_status_t) pjsua_enum_codecs( pjsua_codec_info id[], |
| unsigned *p_count ) |
| { |
| pjmedia_codec_mgr *codec_mgr; |
| pjmedia_codec_info info[32]; |
| unsigned i, count, prio[32]; |
| pj_status_t status; |
| |
| codec_mgr = pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt); |
| count = PJ_ARRAY_SIZE(info); |
| status = pjmedia_codec_mgr_enum_codecs( codec_mgr, &count, info, prio); |
| if (status != PJ_SUCCESS) { |
| *p_count = 0; |
| return status; |
| } |
| |
| if (count > *p_count) count = *p_count; |
| |
| for (i=0; i<count; ++i) { |
| pjmedia_codec_info_to_id(&info[i], id[i].buf_, sizeof(id[i].buf_)); |
| id[i].codec_id = pj_str(id[i].buf_); |
| id[i].priority = (pj_uint8_t) prio[i]; |
| } |
| |
| *p_count = count; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Change codec priority. |
| */ |
| PJ_DEF(pj_status_t) pjsua_codec_set_priority( const pj_str_t *codec_id, |
| pj_uint8_t priority ) |
| { |
| const pj_str_t all = { NULL, 0 }; |
| pjmedia_codec_mgr *codec_mgr; |
| |
| codec_mgr = pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt); |
| |
| if (codec_id->slen==1 && *codec_id->ptr=='*') |
| codec_id = &all; |
| |
| return pjmedia_codec_mgr_set_codec_priority(codec_mgr, codec_id, |
| priority); |
| } |
| |
| |
| /* |
| * Get codec parameters. |
| */ |
| PJ_DEF(pj_status_t) pjsua_codec_get_param( const pj_str_t *codec_id, |
| pjmedia_codec_param *param ) |
| { |
| const pj_str_t all = { NULL, 0 }; |
| const pjmedia_codec_info *info; |
| pjmedia_codec_mgr *codec_mgr; |
| unsigned count = 1; |
| pj_status_t status; |
| |
| codec_mgr = pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt); |
| |
| if (codec_id->slen==1 && *codec_id->ptr=='*') |
| codec_id = &all; |
| |
| status = pjmedia_codec_mgr_find_codecs_by_id(codec_mgr, codec_id, |
| &count, &info, NULL); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| if (count != 1) |
| return PJ_ENOTFOUND; |
| |
| status = pjmedia_codec_mgr_get_default_param( codec_mgr, info, param); |
| return status; |
| } |
| |
| |
| /* |
| * Set codec parameters. |
| */ |
| PJ_DEF(pj_status_t) pjsua_codec_set_param( const pj_str_t *id, |
| const pjmedia_codec_param *param) |
| { |
| PJ_UNUSED_ARG(id); |
| PJ_UNUSED_ARG(param); |
| PJ_TODO(set_codec_param); |
| return PJ_SUCCESS; |
| } |