| /* $Id$ */ |
| /* |
| * Copyright (C) 2003-2007 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 PTIME 20 |
| #define FPS (1000/PTIME) |
| #define DEFAULT_RTP_PORT 4000 |
| |
| /* Next RTP port to be used */ |
| static pj_uint16_t next_rtp_port; |
| |
| /* Close existing sound device */ |
| static void close_snd_dev(void); |
| |
| |
| /** |
| * Init media subsystems. |
| */ |
| pj_status_t pjsua_media_subsys_init(const pjsua_media_config *cfg) |
| { |
| pj_str_t codec_id; |
| unsigned opt; |
| pj_status_t status; |
| |
| /* To suppress warning about unused var when all codecs are disabled */ |
| PJ_UNUSED_ARG(codec_id); |
| |
| /* Copy configuration */ |
| pj_memcpy(&pjsua_var.media_cfg, cfg, sizeof(*cfg)); |
| |
| /* Normalize configuration */ |
| |
| 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, |
| pjsua_var.media_cfg.quality); |
| 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_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.samples_per_frame = pjsua_var.media_cfg.clock_rate * |
| PTIME / 1000; |
| pjsua_var.mconf_cfg.channel_count = 1; |
| pjsua_var.mconf_cfg.bits_per_sample = 16; |
| |
| /* 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, |
| "Media stack initialization has returned error", |
| 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); |
| |
| 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; |
| 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], 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], 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, 3478, |
| &stun_srv, 3478, |
| mapped_addr); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "STUN resolve error", status); |
| goto on_error; |
| } |
| |
| 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 (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 { |
| pj_in_addr addr; |
| |
| /* Get local IP address. */ |
| status = pj_gethostip(&addr); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| for (i=0; i<2; ++i) |
| mapped_addr[i].sin_addr = 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:%d", |
| pj_inet_ntoa(skinfo->rtp_addr_name.sin_addr), |
| pj_ntohs(skinfo->rtp_addr_name.sin_port))); |
| PJ_LOG(4,(THIS_FILE, "RTCP socket reachable at %s:%d", |
| pj_inet_ntoa(skinfo->rtcp_addr_name.sin_addr), |
| pj_ntohs(skinfo->rtcp_addr_name.sin_port))); |
| |
| 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; |
| } |
| |
| |
| /* |
| * 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; |
| } |
| |
| /* Create sound port if none is created yet */ |
| if (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL && |
| !pjsua_var.no_snd) |
| { |
| 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 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_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 */ |
| 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_udp_simulate_lost(pjsua_var.calls[i].med_tp, |
| PJMEDIA_DIR_ENCODING, |
| pjsua_var.media_cfg.tx_drop_pct); |
| |
| pjmedia_transport_udp_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 ICE media transports (when ice is enabled) */ |
| static pj_status_t create_ice_media_transports(pjsua_transport_config *cfg) |
| { |
| unsigned i; |
| pj_sockaddr_in addr; |
| 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; |
| } |
| |
| pj_sockaddr_in_init(&addr, 0, (pj_uint16_t)cfg->port); |
| |
| /* Create each media transport */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| pj_ice_strans_comp comp; |
| int next_port; |
| |
| status = pjmedia_ice_create(pjsua_var.med_endpt, NULL, 2, |
| &pjsua_var.stun_cfg, |
| &pjsua_var.calls[i].med_tp); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create ICE media transport", |
| status); |
| goto on_error; |
| } |
| |
| status = pjmedia_ice_start_init(pjsua_var.calls[i].med_tp, 0, &addr, |
| &pjsua_var.stun_srv.ipv4, NULL); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error starting ICE transport", |
| status); |
| goto on_error; |
| } |
| |
| pjmedia_ice_get_comp(pjsua_var.calls[i].med_tp, 1, &comp); |
| next_port = pj_ntohs(comp.local_addr.ipv4.sin_port); |
| next_port += 2; |
| addr.sin_port = pj_htons((pj_uint16_t)next_port); |
| } |
| |
| /* Wait until all ICE transports are ready */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| |
| /* Wait until interface status is PJ_SUCCESS */ |
| for (;;) { |
| status = pjmedia_ice_get_init_status(pjsua_var.calls[i].med_tp); |
| if (status == PJ_EPENDING) |
| pjsua_handle_events(100); |
| else |
| break; |
| } |
| |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, |
| "Error adding STUN address to ICE media transport", |
| status); |
| goto on_error; |
| } |
| |
| } |
| |
| 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(&cfg); |
| } 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) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| |
| if (pjsua_var.media_cfg.enable_ice) { |
| pj_ice_sess_role ice_role; |
| pj_status_t status; |
| |
| ice_role = (role==PJSIP_ROLE_UAC ? PJ_ICE_SESS_ROLE_CONTROLLING : |
| PJ_ICE_SESS_ROLE_CONTROLLED); |
| |
| /* Restart ICE */ |
| pjmedia_ice_stop_ice(call->med_tp); |
| |
| status = pjmedia_ice_init_ice(call->med_tp, ice_role, NULL, NULL); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| pj_status_t pjsua_media_channel_create_sdp(pjsua_call_id call_id, |
| pj_pool_t *pool, |
| pjmedia_sdp_session **p_sdp) |
| { |
| pjmedia_sdp_session *sdp; |
| pjmedia_sock_info skinfo; |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pj_status_t status; |
| |
| /* Get media socket info */ |
| pjmedia_transport_get_info(call->med_tp, &skinfo); |
| |
| /* Create SDP */ |
| status = pjmedia_endpt_create_sdp(pjsua_var.med_endpt, pool, 1, |
| &skinfo, &sdp); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| if (pjsua_var.media_cfg.enable_ice) { |
| status = pjmedia_ice_modify_sdp(call->med_tp, pool, sdp); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| } |
| |
| *p_sdp = sdp; |
| return PJ_SUCCESS; |
| |
| on_error: |
| pjsua_media_channel_deinit(call_id); |
| return status; |
| |
| } |
| |
| |
| 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) { |
| pjmedia_conf_remove_port(pjsua_var.mconf, call->conf_slot); |
| call->conf_slot = PJSUA_INVALID_ID; |
| } |
| |
| if (call->session) { |
| 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 (pjsua_var.media_cfg.enable_ice) { |
| pjmedia_ice_stop_ice(call->med_tp); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * DTMF callback from the stream. |
| */ |
| static void dtmf_callback(pjmedia_stream *strm, void *user_data, |
| int digit) |
| { |
| PJ_UNUSED_ARG(strm); |
| |
| if (pjsua_var.ua_cfg.cb.on_dtmf_digit) { |
| pjsua_call_id call_id; |
| |
| call_id = (pjsua_call_id)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_port *media_port; |
| pj_str_t port_name; |
| char tmp[PJSIP_MAX_URL_SIZE]; |
| 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. |
| * We only support one stream per session at the moment |
| */ |
| status = pjmedia_session_info_from_sdp( call->inv->dlg->pool, |
| pjsua_var.med_endpt, |
| 1,&sess_info, |
| local_sdp, remote_sdp); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| |
| /* Check if media is put on-hold */ |
| if (sess_info.stream_cnt == 0 || |
| sess_info.stream_info[0].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 ICE session */ |
| if (pjsua_var.media_cfg.enable_ice) { |
| pjmedia_ice_stop_ice(call->med_tp); |
| } |
| |
| /* No need because we need keepalive? */ |
| |
| } else { |
| |
| /* Start ICE */ |
| if (pjsua_var.media_cfg.enable_ice) { |
| status = pjmedia_ice_start_ice(call->med_tp, call->inv->pool, |
| remote_sdp, 0); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| /* Override ptime, if this option is specified. */ |
| if (pjsua_var.media_cfg.ptime != 0) { |
| sess_info.stream_info[0].param->setting.frm_per_pkt = (pj_uint8_t) |
| (pjsua_var.media_cfg.ptime / sess_info.stream_info[0].param->info.frm_ptime); |
| if (sess_info.stream_info[0].param->setting.frm_per_pkt == 0) |
| sess_info.stream_info[0].param->setting.frm_per_pkt = 1; |
| } |
| |
| /* Disable VAD, if this option is specified. */ |
| if (pjsua_var.media_cfg.no_vad) { |
| sess_info.stream_info[0].param->setting.vad = 0; |
| } |
| |
| |
| /* Optionally, application may modify other stream settings here |
| * (such as jitter buffer parameters, codec ptime, etc.) |
| */ |
| sess_info.stream_info[0].jb_init = pjsua_var.media_cfg.jb_init; |
| sess_info.stream_info[0].jb_min_pre = pjsua_var.media_cfg.jb_min_pre; |
| sess_info.stream_info[0].jb_max_pre = pjsua_var.media_cfg.jb_max_pre; |
| sess_info.stream_info[0].jb_max = pjsua_var.media_cfg.jb_max; |
| |
| /* 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*)(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); |
| |
| |
| /* |
| * Add the call to conference bridge. |
| */ |
| 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 = sess_info.stream_info[0].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[256]; |
| 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) |
| { |
| return pjmedia_conf_remove_port(pjsua_var.mconf, (unsigned)id); |
| } |
| |
| |
| /* |
| * 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) |
| { |
| 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) |
| { |
| return pjmedia_conf_disconnect_port(pjsua_var.mconf, source, sink); |
| } |
| |
| |
| /* |
| * 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. |
| */ |
| |
| /* |
| * 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]; |
| 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'; |
| status = pjmedia_wav_player_port_create(pjsua_var.pool, path, |
| pjsua_var.mconf_cfg.samples_per_frame * |
| 1000 / 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); |
| return status; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pjsua_var.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); |
| return status; |
| } |
| |
| pjsua_var.player[file_id].type = 0; |
| 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; |
| 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; |
| |
| status = pjmedia_wav_playlist_create(pjsua_var.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); |
| return status; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pjsua_var.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); |
| return status; |
| } |
| |
| pjsua_var.player[file_id].type = 1; |
| 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<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_recorder_id id, |
| pjmedia_port **p_port) |
| { |
| PJ_ASSERT_RETURN(id>=0 && id<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<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<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) { |
| pjmedia_conf_remove_port(pjsua_var.mconf, |
| 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; |
| 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; |
| 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'; |
| |
| if (file_format == FMT_WAV) { |
| status = pjmedia_wav_writer_port_create(pjsua_var.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 if (file_format == FMT_MP3) { |
| status = pjmedia_mp3_writer_port_create(pjsua_var.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, |
| enc_param, &port); |
| } else { |
| port = NULL; |
| status = PJ_ENOTSUP; |
| } |
| |
| if (status != PJ_SUCCESS) { |
| PJSUA_UNLOCK(); |
| pjsua_perror(THIS_FILE, "Unable to open file for recording", status); |
| return status; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pjsua_var.pool, |
| port, filename, &slot); |
| if (status != PJ_SUCCESS) { |
| pjmedia_port_destroy(port); |
| PJSUA_UNLOCK(); |
| return status; |
| } |
| |
| pjsua_var.recorder[file_id].port = port; |
| pjsua_var.recorder[file_id].slot = slot; |
| |
| 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<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<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<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) { |
| pjmedia_conf_remove_port(pjsua_var.mconf, |
| 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; |
| 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; |
| } |
| } |
| |
| /* |
| * 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, 11025, 32000, 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; |
| |
| /* Close existing sound port */ |
| close_snd_dev(); |
| |
| |
| /* Set default clock rate */ |
| clock_rates[0] = pjsua_var.media_cfg.clock_rate; |
| |
| /* 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]; |
| |
| 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. */ |
| status = pjmedia_snd_port_create(pjsua_var.pool, capture_dev, |
| playback_dev, |
| clock_rates[i], 1, |
| clock_rates[i]/FPS, |
| 16, 0, &pjsua_var.snd_port); |
| |
| if (status == PJ_SUCCESS) { |
| selected_clock_rate = clock_rates[i]; |
| 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; |
| } |
| |
| /* Get the port0 of the conference bridge. */ |
| conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| pj_assert(conf_port != NULL); |
| |
| /* Set AEC */ |
| pjmedia_snd_port_set_ec( pjsua_var.snd_port, pjsua_var.pool, |
| pjsua_var.media_cfg.ec_tail_len, |
| pjsua_var.media_cfg.ec_options); |
| |
| /* 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; |
| |
| status = pjmedia_resample_port_create(pjsua_var.pool, conf_port, |
| selected_clock_rate, 0, |
| &resample_port); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror("Error creating resample port", THIS_FILE, status); |
| return status; |
| } |
| |
| conf_port = resample_port; |
| } |
| |
| /* 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); |
| |
| 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(); |
| |
| 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.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); |
| |
| 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 ) |
| { |
| pjmedia_codec_mgr *codec_mgr; |
| |
| codec_mgr = pjmedia_endpt_get_codec_mgr(pjsua_var.med_endpt); |
| |
| 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 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); |
| |
| 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; |
| } |