| /* $Id$ */ |
| /* |
| * Copyright (C) 2003-2006 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 10 |
| #define FPS (1000/PTIME) |
| #define DEFAULT_RTP_PORT 4000 |
| |
| |
| /* 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; |
| |
| /* Copy configuration */ |
| pj_memcpy(&pjsua_var.media_cfg, cfg, sizeof(*cfg)); |
| |
| /* Normalize configuration */ |
| #if defined(PJ_DARWINOS) && PJ_DARWINOS!=0 |
| pjsua_var.media_cfg.clock_rate = 44100; |
| #endif |
| |
| 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; |
| static pj_uint16_t rtp_port; |
| pj_sockaddr_in mapped_addr[2]; |
| pj_status_t status = PJ_SUCCESS; |
| pj_sock_t sock[2]; |
| |
| if (rtp_port == 0) |
| rtp_port = (pj_uint16_t)cfg->port; |
| |
| for (i=0; i<2; ++i) |
| sock[i] = PJ_INVALID_SOCKET; |
| |
| |
| /* Loop retry to bind RTP and RTCP sockets. */ |
| for (i=0; i<RTP_RETRY; ++i, 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], cfg->ip_addr.s_addr, 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], cfg->ip_addr.s_addr, |
| (pj_uint16_t)(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 (cfg->stun_config.stun_srv1.slen) { |
| status=pj_stun_get_mapped_addr(&pjsua_var.cp.factory, 2, sock, |
| &cfg->stun_config.stun_srv1, |
| cfg->stun_config.stun_port1, |
| &cfg->stun_config.stun_srv2, |
| cfg->stun_config.stun_port2, |
| 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 { |
| const pj_str_t *hostname; |
| pj_sockaddr_in addr; |
| |
| /* Get local IP address. */ |
| hostname = pj_gethostname(); |
| |
| pj_bzero( &addr, sizeof(addr)); |
| addr.sin_family = PJ_AF_INET; |
| status = pj_sockaddr_in_set_str_addr( &addr, hostname); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unresolvable local hostname", |
| status); |
| goto on_error; |
| } |
| |
| for (i=0; i<2; ++i) |
| pj_memcpy(&mapped_addr[i], &addr, sizeof(addr)); |
| |
| mapped_addr[0].sin_port=pj_htons((pj_uint16_t)rtp_port); |
| mapped_addr[1].sin_port=pj_htons((pj_uint16_t)(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))); |
| |
| 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) { |
| /* Error opening sound device, use null device */ |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| PJ_LOG(4,(THIS_FILE, |
| "Error opening default sound device (%s (status=%d)). " |
| "Will use NULL device instead", |
| errmsg, status)); |
| |
| status = pjsua_set_null_snd_dev(); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error opening NULL 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<(int)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; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * 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) { |
| pjsua_var.calls[i].med_tp->op->destroy(pjsua_var.calls[i].med_tp); |
| pjsua_var.calls[i].med_tp = NULL; |
| } |
| } |
| |
| /* Copy config */ |
| pj_memcpy(&cfg, app_cfg, sizeof(*app_cfg)); |
| pjsua_normalize_stun_config(&cfg.stun_config); |
| |
| /* Create each media transport */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| |
| status = create_rtp_rtcp_sock(&cfg, &pjsua_var.calls[i].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, |
| &pjsua_var.calls[i].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); |
| |
| } |
| |
| PJSUA_UNLOCK(); |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| if (pjsua_var.calls[i].med_tp != NULL) { |
| pjsua_var.calls[i].med_tp->op->destroy(pjsua_var.calls[i].med_tp); |
| pjsua_var.calls[i].med_tp = NULL; |
| } |
| } |
| |
| PJSUA_UNLOCK(); |
| |
| return status; |
| } |
| |
| |
| /* |
| * 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); |
| } |
| |
| |
| /***************************************************************************** |
| * 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[128]; |
| 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(); |
| return status; |
| } |
| |
| 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; |
| } |
| |
| |
| /* |
| * 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); |
| |
| 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 file_format, |
| const pj_str_t *encoding, |
| pj_ssize_t max_size, |
| unsigned options, |
| pjsua_recorder_id *p_id) |
| { |
| unsigned slot, file_id; |
| char path[128]; |
| pjmedia_port *port; |
| pj_status_t status; |
| |
| /* Don't support max_size at present */ |
| PJ_ASSERT_RETURN(max_size == 0, PJ_EINVAL); |
| |
| /* Don't support file format at present */ |
| PJ_ASSERT_RETURN(file_format == 0, PJ_EINVAL); |
| |
| /* Don't support encoding at present */ |
| PJ_ASSERT_RETURN(encoding == NULL, PJ_EINVAL); |
| |
| if (pjsua_var.rec_cnt >= PJ_ARRAY_SIZE(pjsua_var.recorder)) |
| return PJ_ETOOMANY; |
| |
| 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'; |
| 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); |
| 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; |
| } |
| |
| |
| /* |
| * 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 *cap_info, *play_info; |
| pj_status_t status; |
| |
| /* Close existing sound port */ |
| close_snd_dev(); |
| |
| |
| cap_info = pjmedia_snd_get_dev_info(capture_dev); |
| play_info = pjmedia_snd_get_dev_info(playback_dev); |
| |
| PJ_LOG(4,(THIS_FILE, "Opening %s sound playback device and " |
| "%s sound capture device..", |
| play_info->name, cap_info->name)); |
| |
| /* Create the sound device. Sound port will start immediately. */ |
| status = pjmedia_snd_port_create(pjsua_var.pool, capture_dev, |
| playback_dev, |
| pjsua_var.media_cfg.clock_rate, 1, |
| pjsua_var.media_cfg.clock_rate/FPS, |
| 16, 0, &pjsua_var.snd_port); |
| 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); |
| |
| /* 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; |
| |
| 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; |
| } |