| /* $Id$ */ |
| /* |
| * Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com) |
| * Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #include <pjsua-lib/pjsua.h> |
| #include <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; |
| |
| /* Open sound dev */ |
| static pj_status_t open_snd_dev(pjmedia_snd_port_param *param); |
| /* Close existing sound device */ |
| static void close_snd_dev(void); |
| /* Create audio device param */ |
| static pj_status_t create_aud_param(pjmedia_aud_param *param, |
| pjmedia_aud_dev_index capture_dev, |
| pjmedia_aud_dev_index playback_dev, |
| unsigned clock_rate, |
| unsigned channel_count, |
| unsigned samples_per_frame, |
| unsigned bits_per_sample); |
| |
| |
| 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; |
| pjmedia_audio_codec_config codec_cfg; |
| pj_status_t status; |
| |
| /* To suppress warning about unused var when all codecs are disabled */ |
| PJ_UNUSED_ARG(codec_id); |
| |
| pj_log_push_indent(); |
| |
| /* Specify which audio device settings are save-able */ |
| pjsua_var.aud_svmask = 0xFFFFFFFF; |
| /* These are not-settable */ |
| pjsua_var.aud_svmask &= ~(PJMEDIA_AUD_DEV_CAP_EXT_FORMAT | |
| PJMEDIA_AUD_DEV_CAP_INPUT_SIGNAL_METER | |
| PJMEDIA_AUD_DEV_CAP_OUTPUT_SIGNAL_METER); |
| /* EC settings use different API */ |
| pjsua_var.aud_svmask &= ~(PJMEDIA_AUD_DEV_CAP_EC | |
| PJMEDIA_AUD_DEV_CAP_EC_TAIL); |
| |
| /* 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); |
| goto on_error; |
| } |
| |
| /* |
| * Register all codecs |
| */ |
| pjmedia_audio_codec_config_default(&codec_cfg); |
| codec_cfg.speex.quality = pjsua_var.media_cfg.quality; |
| codec_cfg.speex.complexity = -1; |
| codec_cfg.ilbc.mode = pjsua_var.media_cfg.ilbc_mode; |
| |
| #if PJMEDIA_HAS_PASSTHROUGH_CODECS |
| /* Register passthrough codecs */ |
| { |
| unsigned aud_idx; |
| unsigned ext_fmt_cnt = 0; |
| pjmedia_format ext_fmts[32]; |
| |
| /* List extended formats supported by audio devices */ |
| for (aud_idx = 0; aud_idx < pjmedia_aud_dev_count(); ++aud_idx) { |
| pjmedia_aud_dev_info aud_info; |
| unsigned i; |
| |
| status = pjmedia_aud_dev_get_info(aud_idx, &aud_info); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error querying audio device info", |
| status); |
| goto on_error; |
| } |
| |
| /* Collect extended formats supported by this audio device */ |
| for (i = 0; i < aud_info.ext_fmt_cnt; ++i) { |
| unsigned j; |
| pj_bool_t is_listed = PJ_FALSE; |
| |
| /* See if this extended format is already in the list */ |
| for (j = 0; j < ext_fmt_cnt && !is_listed; ++j) { |
| if (ext_fmts[j].id == aud_info.ext_fmt[i].id && |
| ext_fmts[j].det.aud.avg_bps == |
| aud_info.ext_fmt[i].det.aud.avg_bps) |
| { |
| is_listed = PJ_TRUE; |
| } |
| } |
| |
| /* Put this format into the list, if it is not in the list */ |
| if (!is_listed) |
| ext_fmts[ext_fmt_cnt++] = aud_info.ext_fmt[i]; |
| |
| pj_assert(ext_fmt_cnt <= PJ_ARRAY_SIZE(ext_fmts)); |
| } |
| } |
| |
| /* Init the passthrough codec with supported formats only */ |
| codec_cfg.passthrough.setting.fmt_cnt = ext_fmt_cnt; |
| codec_cfg.passthrough.setting.fmts = ext_fmts; |
| codec_cfg.passthrough.setting.ilbc_mode = cfg->ilbc_mode; |
| } |
| #endif /* PJMEDIA_HAS_PASSTHROUGH_CODECS */ |
| |
| /* Register all codecs */ |
| status = pjmedia_codec_register_audio_codecs(pjsua_var.med_endpt, |
| &codec_cfg); |
| if (status != PJ_SUCCESS) { |
| PJ_PERROR(1,(THIS_FILE, status, "Error registering codecs")); |
| goto on_error; |
| } |
| |
| /* 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); |
| |
| /* 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); |
| |
| |
| /* 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); |
| goto on_error; |
| } |
| |
| /* Are we using the audio switchboard (a.k.a APS-Direct)? */ |
| pjsua_var.is_mswitch = pjmedia_conf_get_master_port(pjsua_var.mconf) |
| ->info.signature == PJMEDIA_CONF_SWITCH_SIGNATURE; |
| |
| /* 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); |
| |
| #if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) |
| /* Initialize SRTP library. */ |
| status = pjmedia_srtp_init_lib(); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing SRTP library", |
| status); |
| goto on_error; |
| } |
| #endif |
| |
| /* Video */ |
| #if PJMEDIA_HAS_VIDEO |
| status = pjsua_vid_subsys_init(); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| #endif |
| |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| |
| on_error: |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* Check if sound device is idle. */ |
| static void check_snd_dev_idle() |
| { |
| unsigned call_cnt; |
| |
| /* Get the call count, we shouldn't close the sound device when there is |
| * any calls active. |
| */ |
| call_cnt = pjsua_call_get_count(); |
| |
| /* When this function is called from pjsua_media_channel_deinit() upon |
| * disconnecting call, actually the call count hasn't been updated/ |
| * decreased. So we put additional check here, if there is only one |
| * call and it's in DISCONNECTED state, there is actually no active |
| * call. |
| */ |
| if (call_cnt == 1) { |
| pjsua_call_id call_id; |
| pj_status_t status; |
| |
| status = pjsua_enum_calls(&call_id, &call_cnt); |
| if (status == PJ_SUCCESS && call_cnt > 0 && |
| !pjsua_call_is_active(call_id)) |
| { |
| call_cnt = 0; |
| } |
| } |
| |
| /* Activate sound device auto-close timer if sound device is idle. |
| * It is idle when there is no port connection in the bridge and |
| * there is no active call. |
| * |
| * Note: this block is now valid if no snd dev is used because of #1299 |
| */ |
| if ((pjsua_var.snd_port!=NULL || pjsua_var.null_snd!=NULL || |
| pjsua_var.no_snd) && |
| pjsua_var.snd_idle_timer.id == PJ_FALSE && |
| pjmedia_conf_get_connect_count(pjsua_var.mconf) == 0 && |
| call_cnt == 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); |
| |
| PJSUA_LOCK(); |
| if (entry->id) { |
| 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(); |
| } |
| PJSUA_UNLOCK(); |
| } |
| |
| |
| /* |
| * Start pjsua media subsystem. |
| */ |
| pj_status_t pjsua_media_subsys_start(void) |
| { |
| pj_status_t status; |
| |
| pj_log_push_indent(); |
| |
| #if DISABLED_FOR_TICKET_1185 |
| /* Create media for calls, if none is specified */ |
| if (pjsua_var.calls[0].media[0].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) { |
| pj_log_pop_indent(); |
| return status; |
| } |
| } |
| #endif |
| |
| pj_timer_entry_init(&pjsua_var.snd_idle_timer, PJ_FALSE, NULL, |
| &close_snd_timer_cb); |
| |
| /* Video */ |
| #if PJMEDIA_HAS_VIDEO |
| status = pjsua_vid_subsys_start(); |
| if (status != PJ_SUCCESS) { |
| pj_log_pop_indent(); |
| return status; |
| } |
| #endif |
| |
| /* Perform NAT detection */ |
| status = pjsua_detect_nat_type(); |
| if (status != PJ_SUCCESS) { |
| PJ_PERROR(1,(THIS_FILE, status, "NAT type detection failed")); |
| } |
| |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * Destroy pjsua media subsystem. |
| */ |
| pj_status_t pjsua_media_subsys_destroy(unsigned flags) |
| { |
| unsigned i; |
| |
| PJ_LOG(4,(THIS_FILE, "Shutting down media..")); |
| pj_log_push_indent(); |
| |
| 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) { |
| unsigned strm_idx; |
| pjsua_call *call = &pjsua_var.calls[i]; |
| for (strm_idx=0; strm_idx<call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| if (call_med->tp_st != PJSUA_MED_TP_IDLE) { |
| pjsua_media_channel_deinit(i); |
| } |
| if (call_med->tp && call_med->tp_auto_del) { |
| /* TODO: check if we're not allowed to send to network in the |
| * "flags", and if so do not do TURN allocation... |
| */ |
| PJ_UNUSED_ARG(flags); |
| pjmedia_transport_close(call_med->tp); |
| } |
| call_med->tp = NULL; |
| } |
| } |
| |
| /* Destroy media endpoint. */ |
| if (pjsua_var.med_endpt) { |
| |
| # if PJMEDIA_HAS_VIDEO |
| pjsua_vid_subsys_destroy(); |
| # endif |
| |
| 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; |
| |
| pj_log_pop_indent(); |
| |
| 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 = 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; |
| |
| if (next_rtp_port == 0) |
| next_rtp_port = (pj_uint16_t)40000; |
| |
| 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 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; |
| } |
| |
| /* Apply QoS to RTP socket, if specified */ |
| status = pj_sock_apply_qos2(sock[0], cfg->qos_type, |
| &cfg->qos_params, |
| 2, THIS_FILE, "RTP socket"); |
| |
| /* Bind RTP socket */ |
| 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 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; |
| } |
| |
| /* Apply QoS to RTCP socket, if specified */ |
| status = pj_sock_apply_qos2(sock[1], cfg->qos_type, |
| &cfg->qos_params, |
| 2, THIS_FILE, "RTCP socket"); |
| |
| /* Bind RTCP socket */ |
| 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; |
| } |
| |
| /* Create normal UDP media transports */ |
| static pj_status_t create_udp_media_transport(const pjsua_transport_config *cfg, |
| pjsua_call_media *call_med) |
| { |
| pjmedia_sock_info skinfo; |
| pj_status_t status; |
| |
| 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, &call_med->tp); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create media transport", |
| status); |
| goto on_error; |
| } |
| |
| pjmedia_transport_simulate_lost(call_med->tp, PJMEDIA_DIR_ENCODING, |
| pjsua_var.media_cfg.tx_drop_pct); |
| |
| pjmedia_transport_simulate_lost(call_med->tp, PJMEDIA_DIR_DECODING, |
| pjsua_var.media_cfg.rx_drop_pct); |
| |
| call_med->tp_ready = PJ_SUCCESS; |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| if (call_med->tp) |
| pjmedia_transport_close(call_med->tp); |
| |
| return status; |
| } |
| |
| #if DISABLED_FOR_TICKET_1185 |
| /* Create normal UDP media transports */ |
| static pj_status_t create_udp_media_transports(pjsua_transport_config *cfg) |
| { |
| unsigned i; |
| pj_status_t status; |
| |
| for (i=0; i < pjsua_var.ua_cfg.max_calls; ++i) { |
| pjsua_call *call = &pjsua_var.calls[i]; |
| unsigned strm_idx; |
| |
| for (strm_idx=0; strm_idx < call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| |
| status = create_udp_media_transport(cfg, &call_med->tp); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| } |
| } |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| for (i=0; i < pjsua_var.ua_cfg.max_calls; ++i) { |
| pjsua_call *call = &pjsua_var.calls[i]; |
| unsigned strm_idx; |
| |
| for (strm_idx=0; strm_idx < call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| |
| if (call_med->tp) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = NULL; |
| } |
| } |
| } |
| return status; |
| } |
| #endif |
| |
| /* 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) |
| { |
| pjsua_call_media *call_med = (pjsua_call_media*)tp->user_data; |
| |
| if (!call_med) |
| return; |
| |
| switch (op) { |
| case PJ_ICE_STRANS_OP_INIT: |
| PJSUA_LOCK(); |
| call_med->tp_ready = result; |
| if (call_med->med_create_cb) |
| (*call_med->med_create_cb)(call_med, result, |
| call_med->call->secure_level, NULL); |
| PJSUA_UNLOCK(); |
| break; |
| case PJ_ICE_STRANS_OP_NEGOTIATION: |
| if (result != PJ_SUCCESS) { |
| call_med->state = PJSUA_CALL_MEDIA_ERROR; |
| call_med->dir = PJMEDIA_DIR_NONE; |
| |
| if (call_med->call && pjsua_var.ua_cfg.cb.on_call_media_state) { |
| pjsua_var.ua_cfg.cb.on_call_media_state(call_med->call->index); |
| } |
| } else if (call_med->call) { |
| /* Send UPDATE if default transport address is different than |
| * what was advertised (ticket #881) |
| */ |
| pjmedia_transport_info tpinfo; |
| pjmedia_ice_transport_info *ii = NULL; |
| unsigned i; |
| |
| pjmedia_transport_info_init(&tpinfo); |
| pjmedia_transport_get_info(tp, &tpinfo); |
| for (i=0; i<tpinfo.specific_info_cnt; ++i) { |
| if (tpinfo.spc_info[i].type==PJMEDIA_TRANSPORT_TYPE_ICE) { |
| ii = (pjmedia_ice_transport_info*) |
| tpinfo.spc_info[i].buffer; |
| break; |
| } |
| } |
| |
| if (ii && ii->role==PJ_ICE_SESS_ROLE_CONTROLLING && |
| pj_sockaddr_cmp(&tpinfo.sock_info.rtp_addr_name, |
| &call_med->rtp_addr)) |
| { |
| pj_bool_t use_update; |
| const pj_str_t STR_UPDATE = { "UPDATE", 6 }; |
| pjsip_dialog_cap_status support_update; |
| pjsip_dialog *dlg; |
| |
| dlg = call_med->call->inv->dlg; |
| support_update = pjsip_dlg_remote_has_cap(dlg, PJSIP_H_ALLOW, |
| NULL, &STR_UPDATE); |
| use_update = (support_update == PJSIP_DIALOG_CAP_SUPPORTED); |
| |
| PJ_LOG(4,(THIS_FILE, |
| "ICE default transport address has changed for " |
| "call %d, sending %s", |
| call_med->call->index, |
| (use_update ? "UPDATE" : "re-INVITE"))); |
| |
| if (use_update) |
| pjsua_call_update(call_med->call->index, 0, NULL); |
| else |
| pjsua_call_reinvite(call_med->call->index, 0, NULL); |
| } |
| } |
| break; |
| case PJ_ICE_STRANS_OP_KEEP_ALIVE: |
| if (result != PJ_SUCCESS) { |
| PJ_PERROR(4,(THIS_FILE, result, |
| "ICE keep alive failure for transport %d:%d", |
| call_med->call->index, call_med->idx)); |
| } |
| if (pjsua_var.ua_cfg.cb.on_call_media_transport_state) { |
| pjsua_med_tp_state_info info; |
| |
| pj_bzero(&info, sizeof(info)); |
| info.med_idx = call_med->idx; |
| info.state = call_med->tp_st; |
| info.status = result; |
| info.ext_info = &op; |
| (*pjsua_var.ua_cfg.cb.on_call_media_transport_state)( |
| call_med->call->index, &info); |
| } |
| if (pjsua_var.ua_cfg.cb.on_ice_transport_error) { |
| pjsua_call_id id = call_med->call->index; |
| (*pjsua_var.ua_cfg.cb.on_ice_transport_error)(id, op, result, |
| NULL); |
| } |
| 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_transport( |
| const pjsua_transport_config *cfg, |
| pjsua_call_media *call_med, |
| pj_bool_t async) |
| { |
| char stunip[PJ_INET6_ADDRSTRLEN]; |
| pj_ice_strans_cfg ice_cfg; |
| pjmedia_ice_cb ice_cb; |
| char name[32]; |
| unsigned comp_cnt; |
| pj_status_t status; |
| |
| /* Make sure STUN server resolution has completed */ |
| status = 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; |
| |
| ice_cfg.opt = pjsua_var.media_cfg.ice_opt; |
| |
| /* 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); |
| } |
| if (pjsua_var.media_cfg.ice_max_host_cands >= 0) |
| ice_cfg.stun.max_host_cands = pjsua_var.media_cfg.ice_max_host_cands; |
| |
| /* Copy QoS setting to STUN setting */ |
| ice_cfg.stun.cfg.qos_type = cfg->qos_type; |
| pj_memcpy(&ice_cfg.stun.cfg.qos_params, &cfg->qos_params, |
| sizeof(cfg->qos_params)); |
| |
| /* 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)); |
| |
| /* Copy QoS setting to TURN setting */ |
| ice_cfg.turn.cfg.qos_type = cfg->qos_type; |
| pj_memcpy(&ice_cfg.turn.cfg.qos_params, &cfg->qos_params, |
| sizeof(cfg->qos_params)); |
| } |
| |
| pj_bzero(&ice_cb, sizeof(pjmedia_ice_cb)); |
| ice_cb.on_ice_complete = &on_ice_complete; |
| pj_ansi_snprintf(name, sizeof(name), "icetp%02d", call_med->idx); |
| call_med->tp_ready = PJ_EPENDING; |
| |
| comp_cnt = 1; |
| if (PJMEDIA_ADVERTISE_RTCP && !pjsua_var.media_cfg.ice_no_rtcp) |
| ++comp_cnt; |
| |
| status = pjmedia_ice_create3(pjsua_var.med_endpt, name, comp_cnt, |
| &ice_cfg, &ice_cb, 0, call_med, |
| &call_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 */ |
| if (!async) { |
| PJSUA_UNLOCK(); |
| while (call_med->tp_ready == PJ_EPENDING) { |
| pjsua_handle_events(100); |
| } |
| PJSUA_LOCK(); |
| } |
| |
| if (async && call_med->tp_ready == PJ_EPENDING) { |
| return PJ_EPENDING; |
| } else if (call_med->tp_ready != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error initializing ICE media transport", |
| call_med->tp_ready); |
| status = call_med->tp_ready; |
| goto on_error; |
| } |
| |
| pjmedia_transport_simulate_lost(call_med->tp, PJMEDIA_DIR_ENCODING, |
| pjsua_var.media_cfg.tx_drop_pct); |
| |
| pjmedia_transport_simulate_lost(call_med->tp, PJMEDIA_DIR_DECODING, |
| pjsua_var.media_cfg.rx_drop_pct); |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| if (call_med->tp != NULL) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = NULL; |
| } |
| |
| return status; |
| } |
| |
| #if DISABLED_FOR_TICKET_1185 |
| /* Create ICE media transports (when ice is enabled) */ |
| static pj_status_t create_ice_media_transports(pjsua_transport_config *cfg) |
| { |
| unsigned i; |
| pj_status_t status; |
| |
| for (i=0; i < pjsua_var.ua_cfg.max_calls; ++i) { |
| pjsua_call *call = &pjsua_var.calls[i]; |
| unsigned strm_idx; |
| |
| for (strm_idx=0; strm_idx < call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| |
| status = create_ice_media_transport(cfg, call_med); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| } |
| } |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| for (i=0; i < pjsua_var.ua_cfg.max_calls; ++i) { |
| pjsua_call *call = &pjsua_var.calls[i]; |
| unsigned strm_idx; |
| |
| for (strm_idx=0; strm_idx < call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| |
| if (call_med->tp) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = NULL; |
| } |
| } |
| } |
| return status; |
| } |
| #endif |
| |
| #if DISABLED_FOR_TICKET_1185 |
| /* |
| * Create 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) { |
| pjsua_call *call = &pjsua_var.calls[i]; |
| unsigned strm_idx; |
| |
| for (strm_idx=0; strm_idx < call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| |
| if (call_med->tp && call_med->tp_auto_del) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = NULL; |
| call_med->tp_orig = NULL; |
| } |
| } |
| } |
| |
| /* Copy config */ |
| pjsua_transport_config_dup(pjsua_var.pool, &cfg, app_cfg); |
| |
| /* Create the transports */ |
| if (pjsua_var.media_cfg.enable_ice) { |
| status = create_ice_media_transports(&cfg); |
| } else { |
| status = create_udp_media_transports(&cfg); |
| } |
| |
| /* Set media transport auto_delete to True */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| pjsua_call *call = &pjsua_var.calls[i]; |
| unsigned strm_idx; |
| |
| for (strm_idx=0; strm_idx < call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| |
| call_med->tp_auto_del = PJ_TRUE; |
| } |
| } |
| |
| PJSUA_UNLOCK(); |
| |
| return status; |
| } |
| |
| /* |
| * Attach application's created media transports. |
| */ |
| PJ_DEF(pj_status_t) pjsua_media_transports_attach(pjsua_media_transport tp[], |
| unsigned count, |
| pj_bool_t auto_delete) |
| { |
| unsigned i; |
| |
| PJ_ASSERT_RETURN(tp && count==pjsua_var.ua_cfg.max_calls, PJ_EINVAL); |
| |
| /* Assign the media transports */ |
| for (i=0; i<pjsua_var.ua_cfg.max_calls; ++i) { |
| pjsua_call *call = &pjsua_var.calls[i]; |
| unsigned strm_idx; |
| |
| for (strm_idx=0; strm_idx < call->med_cnt; ++strm_idx) { |
| pjsua_call_media *call_med = &call->media[strm_idx]; |
| |
| if (call_med->tp && call_med->tp_auto_del) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = NULL; |
| call_med->tp_orig = NULL; |
| } |
| } |
| |
| PJ_TODO(remove_pjsua_media_transports_attach); |
| |
| call->media[0].tp = tp[i].transport; |
| call->media[0].tp_auto_del = auto_delete; |
| } |
| |
| return PJ_SUCCESS; |
| } |
| #endif |
| |
| /* Go through the list of media in the SDP, find acceptable media, and |
| * sort them based on the "quality" of the media, and store the indexes |
| * in the specified array. Media with the best quality will be listed |
| * first in the array. The quality factors considered currently is |
| * encryption. |
| */ |
| static void sort_media(const pjmedia_sdp_session *sdp, |
| const pj_str_t *type, |
| pjmedia_srtp_use use_srtp, |
| pj_uint8_t midx[], |
| unsigned *p_count, |
| unsigned *p_total_count) |
| { |
| unsigned i; |
| unsigned count = 0; |
| int score[PJSUA_MAX_CALL_MEDIA]; |
| |
| pj_assert(*p_count >= PJSUA_MAX_CALL_MEDIA); |
| pj_assert(*p_total_count >= PJSUA_MAX_CALL_MEDIA); |
| |
| *p_count = 0; |
| *p_total_count = 0; |
| for (i=0; i<PJSUA_MAX_CALL_MEDIA; ++i) |
| score[i] = 1; |
| |
| /* Score each media */ |
| for (i=0; i<sdp->media_count && count<PJSUA_MAX_CALL_MEDIA; ++i) { |
| const pjmedia_sdp_media *m = sdp->media[i]; |
| const pjmedia_sdp_conn *c; |
| |
| /* Skip different media */ |
| if (pj_stricmp(&m->desc.media, type) != 0) { |
| score[count++] = -22000; |
| continue; |
| } |
| |
| c = m->conn? m->conn : sdp->conn; |
| |
| /* Supported transports */ |
| if (pj_stricmp2(&m->desc.transport, "RTP/SAVP")==0) { |
| switch (use_srtp) { |
| case PJMEDIA_SRTP_MANDATORY: |
| case PJMEDIA_SRTP_OPTIONAL: |
| ++score[i]; |
| break; |
| case PJMEDIA_SRTP_DISABLED: |
| //--score[i]; |
| score[i] -= 5; |
| break; |
| } |
| } else if (pj_stricmp2(&m->desc.transport, "RTP/AVP")==0) { |
| switch (use_srtp) { |
| case PJMEDIA_SRTP_MANDATORY: |
| //--score[i]; |
| score[i] -= 5; |
| break; |
| case PJMEDIA_SRTP_OPTIONAL: |
| /* No change in score */ |
| break; |
| case PJMEDIA_SRTP_DISABLED: |
| ++score[i]; |
| break; |
| } |
| } else { |
| score[i] -= 10; |
| } |
| |
| /* Is media disabled? */ |
| if (m->desc.port == 0) |
| score[i] -= 10; |
| |
| /* Is media inactive? */ |
| if (pjmedia_sdp_media_find_attr2(m, "inactive", NULL) || |
| pj_strcmp2(&c->addr, "0.0.0.0") == 0) |
| { |
| //score[i] -= 10; |
| score[i] -= 1; |
| } |
| |
| ++count; |
| } |
| |
| /* Created sorted list based on quality */ |
| for (i=0; i<count; ++i) { |
| unsigned j; |
| int best = 0; |
| |
| for (j=1; j<count; ++j) { |
| if (score[j] > score[best]) |
| best = j; |
| } |
| /* Don't put media with negative score, that media is unacceptable |
| * for us. |
| */ |
| midx[i] = (pj_uint8_t)best; |
| if (score[best] >= 0) |
| (*p_count)++; |
| if (score[best] > -22000) |
| (*p_total_count)++; |
| |
| score[best] = -22000; |
| |
| } |
| } |
| |
| /* Callback to receive media events */ |
| pj_status_t call_media_on_event(pjmedia_event *event, |
| void *user_data) |
| { |
| pjsua_call_media *call_med = (pjsua_call_media*)user_data; |
| pjsua_call *call = call_med->call; |
| pj_status_t status = PJ_SUCCESS; |
| |
| switch(event->type) { |
| case PJMEDIA_EVENT_KEYFRAME_MISSING: |
| if (call->opt.req_keyframe_method & PJSUA_VID_REQ_KEYFRAME_SIP_INFO) |
| { |
| pj_timestamp now; |
| |
| pj_get_timestamp(&now); |
| if (pj_elapsed_msec(&call_med->last_req_keyframe, &now) >= |
| PJSUA_VID_REQ_KEYFRAME_INTERVAL) |
| { |
| pjsua_msg_data msg_data; |
| const pj_str_t SIP_INFO = {"INFO", 4}; |
| const char *BODY_TYPE = "application/media_control+xml"; |
| const char *BODY = |
| "<?xml version=\"1.0\" encoding=\"utf-8\" ?>" |
| "<media_control><vc_primitive><to_encoder>" |
| "<picture_fast_update/>" |
| "</to_encoder></vc_primitive></media_control>"; |
| |
| PJ_LOG(4,(THIS_FILE, |
| "Sending video keyframe request via SIP INFO")); |
| |
| pjsua_msg_data_init(&msg_data); |
| pj_cstr(&msg_data.content_type, BODY_TYPE); |
| pj_cstr(&msg_data.msg_body, BODY); |
| status = pjsua_call_send_request(call->index, &SIP_INFO, |
| &msg_data); |
| if (status != PJ_SUCCESS) { |
| pj_perror(3, THIS_FILE, status, |
| "Failed requesting keyframe via SIP INFO"); |
| } else { |
| call_med->last_req_keyframe = now; |
| } |
| } |
| } |
| break; |
| |
| default: |
| break; |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_call_media_event && call) { |
| (*pjsua_var.ua_cfg.cb.on_call_media_event)(call->index, |
| call_med->idx, event); |
| } |
| |
| return status; |
| } |
| |
| /* Set media transport state and notify the application via the callback. */ |
| void set_media_tp_state(pjsua_call_media *call_med, |
| pjsua_med_tp_st tp_st) |
| { |
| if (pjsua_var.ua_cfg.cb.on_call_media_transport_state && |
| call_med->tp_st != tp_st) |
| { |
| pjsua_med_tp_state_info info; |
| |
| pj_bzero(&info, sizeof(info)); |
| info.med_idx = call_med->idx; |
| info.state = tp_st; |
| info.status = call_med->tp_ready; |
| (*pjsua_var.ua_cfg.cb.on_call_media_transport_state)( |
| call_med->call->index, &info); |
| } |
| |
| call_med->tp_st = tp_st; |
| } |
| |
| /* Callback to resume pjsua_call_media_init() after media transport |
| * creation is completed. |
| */ |
| static pj_status_t call_media_init_cb(pjsua_call_media *call_med, |
| pj_status_t status, |
| int security_level, |
| int *sip_err_code) |
| { |
| pjsua_acc *acc = &pjsua_var.acc[call_med->call->acc_id]; |
| pjmedia_transport_info tpinfo; |
| int err_code = 0; |
| |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| if (call_med->tp_st == PJSUA_MED_TP_CREATING) |
| set_media_tp_state(call_med, PJSUA_MED_TP_IDLE); |
| |
| if (!call_med->tp_orig && |
| pjsua_var.ua_cfg.cb.on_create_media_transport) |
| { |
| call_med->use_custom_med_tp = PJ_TRUE; |
| } else |
| call_med->use_custom_med_tp = PJ_FALSE; |
| |
| #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->tp_orig) { |
| pjmedia_srtp_setting srtp_opt; |
| pjmedia_transport *srtp = NULL; |
| |
| /* Check if SRTP requires secure signaling */ |
| if (acc->cfg.use_srtp != PJMEDIA_SRTP_DISABLED) { |
| if (security_level < acc->cfg.srtp_secure_signaling) { |
| err_code = PJSIP_SC_NOT_ACCEPTABLE; |
| status = PJSIP_ESESSIONINSECURE; |
| goto on_error; |
| } |
| } |
| |
| /* Always create SRTP adapter */ |
| pjmedia_srtp_setting_default(&srtp_opt); |
| srtp_opt.close_member_tp = PJ_TRUE; |
| /* If media session has been ever established, let's use remote's |
| * preference in SRTP usage policy, especially when it is stricter. |
| */ |
| if (call_med->rem_srtp_use > acc->cfg.use_srtp) |
| srtp_opt.use = call_med->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) { |
| err_code = PJSIP_SC_INTERNAL_SERVER_ERROR; |
| goto on_error; |
| } |
| |
| /* Set SRTP as current media transport */ |
| call_med->tp_orig = call_med->tp; |
| call_med->tp = srtp; |
| } |
| #else |
| call_med->tp_orig = call_med->tp; |
| PJ_UNUSED_ARG(security_level); |
| #endif |
| |
| |
| pjmedia_transport_info_init(&tpinfo); |
| pjmedia_transport_get_info(call_med->tp, &tpinfo); |
| |
| pj_sockaddr_cp(&call_med->rtp_addr, &tpinfo.sock_info.rtp_addr_name); |
| |
| |
| on_error: |
| if (status != PJ_SUCCESS && call_med->tp) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = NULL; |
| } |
| |
| if (sip_err_code) |
| *sip_err_code = err_code; |
| |
| if (call_med->med_init_cb) { |
| pjsua_med_tp_state_info info; |
| |
| pj_bzero(&info, sizeof(info)); |
| info.status = status; |
| info.state = call_med->tp_st; |
| info.med_idx = call_med->idx; |
| info.sip_err_code = err_code; |
| (*call_med->med_init_cb)(call_med->call->index, &info); |
| } |
| |
| return status; |
| } |
| |
| /* Initialize the media line */ |
| pj_status_t pjsua_call_media_init(pjsua_call_media *call_med, |
| pjmedia_type type, |
| const pjsua_transport_config *tcfg, |
| int security_level, |
| int *sip_err_code, |
| pj_bool_t async, |
| pjsua_med_tp_state_cb cb) |
| { |
| pj_status_t status = PJ_SUCCESS; |
| |
| /* |
| * Note: this function may be called when the media already exists |
| * (e.g. in reinvites, updates, etc.) |
| */ |
| call_med->type = type; |
| |
| /* Create the media transport for initial call. */ |
| if (call_med->tp == NULL) { |
| #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| pjsua_acc *acc = &pjsua_var.acc[call_med->call->acc_id]; |
| |
| /* While in initial call, set default video devices */ |
| if (type == PJMEDIA_TYPE_VIDEO) { |
| call_med->strm.v.rdr_dev = acc->cfg.vid_rend_dev; |
| call_med->strm.v.cap_dev = acc->cfg.vid_cap_dev; |
| if (call_med->strm.v.rdr_dev == PJMEDIA_VID_DEFAULT_RENDER_DEV) { |
| pjmedia_vid_dev_info info; |
| pjmedia_vid_dev_get_info(call_med->strm.v.rdr_dev, &info); |
| call_med->strm.v.rdr_dev = info.id; |
| } |
| if (call_med->strm.v.cap_dev == PJMEDIA_VID_DEFAULT_CAPTURE_DEV) { |
| pjmedia_vid_dev_info info; |
| pjmedia_vid_dev_get_info(call_med->strm.v.cap_dev, &info); |
| call_med->strm.v.cap_dev = info.id; |
| } |
| } |
| #endif |
| |
| set_media_tp_state(call_med, PJSUA_MED_TP_CREATING); |
| |
| if (pjsua_var.media_cfg.enable_ice) { |
| status = create_ice_media_transport(tcfg, call_med, async); |
| if (async && status == PJ_EPENDING) { |
| /* We will resume call media initialization in the |
| * on_ice_complete() callback. |
| */ |
| call_med->med_create_cb = &call_media_init_cb; |
| call_med->med_init_cb = cb; |
| |
| return PJ_EPENDING; |
| } |
| } else { |
| status = create_udp_media_transport(tcfg, call_med); |
| } |
| |
| if (status != PJ_SUCCESS) { |
| PJ_PERROR(1,(THIS_FILE, status, "Error creating media transport")); |
| return status; |
| } |
| |
| /* Media transport creation completed immediately, so |
| * we don't need to call the callback. |
| */ |
| call_med->med_init_cb = NULL; |
| |
| } else if (call_med->tp_st == PJSUA_MED_TP_DISABLED) { |
| /* Media is being reenabled. */ |
| set_media_tp_state(call_med, PJSUA_MED_TP_INIT); |
| } |
| |
| return call_media_init_cb(call_med, status, security_level, |
| sip_err_code); |
| } |
| |
| /* Callback to resume pjsua_media_channel_init() after media transport |
| * initialization is completed. |
| */ |
| static pj_status_t media_channel_init_cb(pjsua_call_id call_id, |
| const pjsua_med_tp_state_info *info) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pj_status_t status = (info? info->status : PJ_SUCCESS); |
| unsigned mi; |
| |
| if (info) { |
| pj_mutex_lock(call->med_ch_mutex); |
| |
| /* Set the callback to NULL to indicate that the async operation |
| * has completed. |
| */ |
| call->media[info->med_idx].med_init_cb = NULL; |
| |
| /* In case of failure, save the information to be returned |
| * by the last media transport to finish. |
| */ |
| if (info->status != PJ_SUCCESS) |
| pj_memcpy(&call->med_ch_info, info, sizeof(info)); |
| |
| /* Check whether all the call's medias have finished calling their |
| * callbacks. |
| */ |
| for (mi=0; mi < call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| |
| if (call_med->med_init_cb || |
| call_med->tp_st == PJSUA_MED_TP_NULL) |
| { |
| pj_mutex_unlock(call->med_ch_mutex); |
| return PJ_SUCCESS; |
| } |
| |
| if (call_med->tp_ready != PJ_SUCCESS) |
| status = call_med->tp_ready; |
| } |
| |
| /* OK, we are called by the last media transport finished. */ |
| pj_mutex_unlock(call->med_ch_mutex); |
| } |
| |
| if (call->med_ch_mutex) { |
| pj_mutex_destroy(call->med_ch_mutex); |
| call->med_ch_mutex = NULL; |
| } |
| |
| if (status != PJ_SUCCESS) { |
| pjsua_media_channel_deinit(call_id); |
| goto on_error; |
| } |
| |
| /* Tell the media transport of a new offer/answer session */ |
| for (mi=0; mi < call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| |
| /* Note: tp may be NULL if this media line is disabled */ |
| if (call_med->tp && call_med->tp_st == PJSUA_MED_TP_IDLE) { |
| pj_pool_t *tmp_pool = call->async_call.pool_prov; |
| |
| if (!tmp_pool) { |
| tmp_pool = (call->inv? call->inv->pool_prov: |
| call->async_call.dlg->pool); |
| } |
| |
| if (call_med->use_custom_med_tp) { |
| unsigned custom_med_tp_flags = 0; |
| |
| /* Use custom media transport returned by the application */ |
| call_med->tp = |
| (*pjsua_var.ua_cfg.cb.on_create_media_transport) |
| (call_id, mi, call_med->tp, |
| custom_med_tp_flags); |
| if (!call_med->tp) { |
| status = |
| PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE); |
| } |
| } |
| |
| if (call_med->tp) { |
| status = pjmedia_transport_media_create( |
| call_med->tp, tmp_pool, |
| 0, call->async_call.rem_sdp, mi); |
| } |
| if (status != PJ_SUCCESS) { |
| call->med_ch_info.status = status; |
| call->med_ch_info.med_idx = mi; |
| call->med_ch_info.state = call_med->tp_st; |
| call->med_ch_info.sip_err_code = PJSIP_SC_NOT_ACCEPTABLE; |
| pjsua_media_channel_deinit(call_id); |
| goto on_error; |
| } |
| |
| set_media_tp_state(call_med, PJSUA_MED_TP_INIT); |
| } |
| } |
| |
| call->med_ch_info.status = PJ_SUCCESS; |
| |
| on_error: |
| if (call->med_ch_cb) |
| (*call->med_ch_cb)(call->index, &call->med_ch_info); |
| |
| 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, |
| pj_bool_t async, |
| pjsua_med_tp_state_cb cb) |
| { |
| const pj_str_t STR_AUDIO = { "audio", 5 }; |
| const pj_str_t STR_VIDEO = { "video", 5 }; |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pjsua_acc *acc = &pjsua_var.acc[call->acc_id]; |
| pj_uint8_t maudidx[PJSUA_MAX_CALL_MEDIA]; |
| unsigned maudcnt = PJ_ARRAY_SIZE(maudidx); |
| unsigned mtotaudcnt = PJ_ARRAY_SIZE(maudidx); |
| pj_uint8_t mvididx[PJSUA_MAX_CALL_MEDIA]; |
| unsigned mvidcnt = PJ_ARRAY_SIZE(mvididx); |
| unsigned mtotvidcnt = PJ_ARRAY_SIZE(mvididx); |
| unsigned mi; |
| pj_bool_t pending_med_tp = PJ_FALSE; |
| pj_bool_t reinit = PJ_FALSE; |
| pj_status_t status; |
| |
| PJ_UNUSED_ARG(role); |
| |
| /* |
| * Note: this function may be called when the media already exists |
| * (e.g. in reinvites, updates, etc). |
| */ |
| |
| if (pjsua_get_state() != PJSUA_STATE_RUNNING) |
| return PJ_EBUSY; |
| |
| if (async) { |
| pj_pool_t *tmppool = (call->inv? call->inv->pool_prov: |
| call->async_call.dlg->pool); |
| |
| status = pj_mutex_create_simple(tmppool, NULL, &call->med_ch_mutex); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| if (call->inv && call->inv->state == PJSIP_INV_STATE_CONFIRMED) |
| reinit = PJ_TRUE; |
| |
| PJ_LOG(4,(THIS_FILE, "Call %d: %sinitializing media..", |
| call_id, (reinit?"re-":"") )); |
| |
| pj_log_push_indent(); |
| |
| #if DISABLED_FOR_TICKET_1185 |
| /* Return error if media transport has not been created yet |
| * (e.g. application is starting) |
| */ |
| for (i=0; i<call->med_cnt; ++i) { |
| if (call->media[i].tp == NULL) { |
| status = PJ_EBUSY; |
| goto on_error; |
| } |
| } |
| #endif |
| |
| /* Get media count for each media type */ |
| if (rem_sdp) { |
| sort_media(rem_sdp, &STR_AUDIO, acc->cfg.use_srtp, |
| maudidx, &maudcnt, &mtotaudcnt); |
| if (maudcnt==0) { |
| /* Expecting audio in the offer */ |
| if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE_HERE; |
| pjsua_media_channel_deinit(call_id); |
| status = PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE_HERE); |
| goto on_error; |
| } |
| |
| #if PJMEDIA_HAS_VIDEO |
| sort_media(rem_sdp, &STR_VIDEO, acc->cfg.use_srtp, |
| mvididx, &mvidcnt, &mtotvidcnt); |
| #else |
| mvidcnt = mtotvidcnt = 0; |
| PJ_UNUSED_ARG(STR_VIDEO); |
| #endif |
| |
| /* Update media count only when remote add any media, this media count |
| * must never decrease. Also note that we shouldn't apply the media |
| * count setting (of the call setting) before the SDP negotiation. |
| */ |
| if (call->med_cnt < rem_sdp->media_count) |
| call->med_cnt = PJ_MIN(rem_sdp->media_count, PJSUA_MAX_CALL_MEDIA); |
| |
| call->rem_offerer = PJ_TRUE; |
| call->rem_aud_cnt = maudcnt; |
| call->rem_vid_cnt = mvidcnt; |
| |
| } else { |
| |
| /* If call already established, calculate media count from current |
| * local active SDP and call setting. Otherwise, calculate media |
| * count from the call setting only. |
| */ |
| if (reinit) { |
| pjmedia_sdp_session *sdp; |
| |
| status = pjmedia_sdp_neg_get_active_local(call->inv->neg, &sdp); |
| pj_assert(status == PJ_SUCCESS); |
| |
| sort_media(sdp, &STR_AUDIO, acc->cfg.use_srtp, |
| maudidx, &maudcnt, &mtotaudcnt); |
| pj_assert(maudcnt > 0); |
| |
| sort_media(sdp, &STR_VIDEO, acc->cfg.use_srtp, |
| mvididx, &mvidcnt, &mtotvidcnt); |
| |
| /* Call setting may add or remove media. Adding media is done by |
| * enabling any disabled/port-zeroed media first, then adding new |
| * media whenever needed. Removing media is done by disabling |
| * media with the lowest 'quality'. |
| */ |
| |
| /* Check if we need to add new audio */ |
| if (maudcnt < call->opt.audio_cnt && |
| mtotaudcnt < call->opt.audio_cnt) |
| { |
| for (mi = 0; mi < call->opt.audio_cnt - mtotaudcnt; ++mi) |
| maudidx[maudcnt++] = (pj_uint8_t)call->med_cnt++; |
| |
| mtotaudcnt = call->opt.audio_cnt; |
| } |
| maudcnt = call->opt.audio_cnt; |
| |
| /* Check if we need to add new video */ |
| if (mvidcnt < call->opt.video_cnt && |
| mtotvidcnt < call->opt.video_cnt) |
| { |
| for (mi = 0; mi < call->opt.video_cnt - mtotvidcnt; ++mi) |
| mvididx[mvidcnt++] = (pj_uint8_t)call->med_cnt++; |
| |
| mtotvidcnt = call->opt.video_cnt; |
| } |
| mvidcnt = call->opt.video_cnt; |
| |
| } else { |
| |
| maudcnt = mtotaudcnt = call->opt.audio_cnt; |
| for (mi=0; mi<maudcnt; ++mi) { |
| maudidx[mi] = (pj_uint8_t)mi; |
| } |
| mvidcnt = mtotvidcnt = call->opt.video_cnt; |
| for (mi=0; mi<mvidcnt; ++mi) { |
| mvididx[mi] = (pj_uint8_t)(maudcnt + mi); |
| } |
| call->med_cnt = maudcnt + mvidcnt; |
| |
| /* Need to publish supported media? */ |
| if (call->opt.flag & PJSUA_CALL_INCLUDE_DISABLED_MEDIA) { |
| if (mtotaudcnt == 0) { |
| mtotaudcnt = 1; |
| maudidx[0] = (pj_uint8_t)call->med_cnt++; |
| } |
| #if PJMEDIA_HAS_VIDEO |
| if (mtotvidcnt == 0) { |
| mtotvidcnt = 1; |
| mvididx[0] = (pj_uint8_t)call->med_cnt++; |
| } |
| #endif |
| } |
| } |
| |
| call->rem_offerer = PJ_FALSE; |
| } |
| |
| if (call->med_cnt == 0) { |
| /* Expecting at least one media */ |
| if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE_HERE; |
| pjsua_media_channel_deinit(call_id); |
| status = PJSIP_ERRNO_FROM_SIP_STATUS(PJSIP_SC_NOT_ACCEPTABLE_HERE); |
| goto on_error; |
| } |
| |
| if (async) { |
| call->med_ch_cb = cb; |
| } |
| |
| if (rem_sdp) { |
| call->async_call.rem_sdp = |
| pjmedia_sdp_session_clone(call->inv->pool_prov, rem_sdp); |
| } else { |
| call->async_call.rem_sdp = NULL; |
| } |
| |
| call->async_call.pool_prov = tmp_pool; |
| |
| /* Initialize each media line */ |
| for (mi=0; mi < call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| pj_bool_t enabled = PJ_FALSE; |
| pjmedia_type media_type = PJMEDIA_TYPE_UNKNOWN; |
| |
| if (pj_memchr(maudidx, mi, mtotaudcnt * sizeof(maudidx[0]))) { |
| media_type = PJMEDIA_TYPE_AUDIO; |
| if (call->opt.audio_cnt && |
| pj_memchr(maudidx, mi, maudcnt * sizeof(maudidx[0]))) |
| { |
| enabled = PJ_TRUE; |
| } |
| } else if (pj_memchr(mvididx, mi, mtotvidcnt * sizeof(mvididx[0]))) { |
| media_type = PJMEDIA_TYPE_VIDEO; |
| if (call->opt.video_cnt && |
| pj_memchr(mvididx, mi, mvidcnt * sizeof(mvididx[0]))) |
| { |
| enabled = PJ_TRUE; |
| } |
| } |
| |
| if (enabled) { |
| status = pjsua_call_media_init(call_med, media_type, |
| &acc->cfg.rtp_cfg, |
| security_level, sip_err_code, |
| async, |
| (async? &media_channel_init_cb: |
| NULL)); |
| if (status == PJ_EPENDING) { |
| pending_med_tp = PJ_TRUE; |
| } else if (status != PJ_SUCCESS) { |
| if (pending_med_tp) { |
| /* Save failure information. */ |
| call_med->tp_ready = status; |
| pj_bzero(&call->med_ch_info, sizeof(call->med_ch_info)); |
| call->med_ch_info.status = status; |
| call->med_ch_info.state = call_med->tp_st; |
| call->med_ch_info.med_idx = call_med->idx; |
| if (sip_err_code) |
| call->med_ch_info.sip_err_code = *sip_err_code; |
| |
| /* We will return failure in the callback later. */ |
| return PJ_EPENDING; |
| } |
| |
| pjsua_media_channel_deinit(call_id); |
| goto on_error; |
| } |
| } else { |
| /* By convention, the media is disabled if transport is NULL |
| * or transport state is PJSUA_MED_TP_DISABLED. |
| */ |
| if (call_med->tp) { |
| // Don't close transport here, as SDP negotiation has not been |
| // done and stream may be still active. |
| //pjmedia_transport_close(call_med->tp); |
| //call_med->tp = NULL; |
| pj_assert(call_med->tp_st == PJSUA_MED_TP_INIT || |
| call_med->tp_st == PJSUA_MED_TP_RUNNING); |
| set_media_tp_state(call_med, PJSUA_MED_TP_DISABLED); |
| } |
| |
| /* Put media type just for info */ |
| call_med->type = media_type; |
| } |
| } |
| |
| call->audio_idx = maudidx[0]; |
| |
| PJ_LOG(4,(THIS_FILE, "Media index %d selected for audio call %d", |
| call->audio_idx, call->index)); |
| |
| if (pending_med_tp) { |
| /* We shouldn't use temporary pool anymore. */ |
| call->async_call.pool_prov = NULL; |
| /* We have a pending media transport initialization. */ |
| pj_log_pop_indent(); |
| return PJ_EPENDING; |
| } |
| |
| /* Media transport initialization completed immediately, so |
| * we don't need to call the callback. |
| */ |
| call->med_ch_cb = NULL; |
| |
| status = media_channel_init_cb(call_id, NULL); |
| if (status != PJ_SUCCESS && sip_err_code) |
| *sip_err_code = call->med_ch_info.sip_err_code; |
| |
| pj_log_pop_indent(); |
| return status; |
| |
| on_error: |
| if (call->med_ch_mutex) { |
| pj_mutex_destroy(call->med_ch_mutex); |
| call->med_ch_mutex = NULL; |
| } |
| |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* Create SDP based on the current media channel. Note that, this function |
| * will not modify the media channel, so when receiving new offer or |
| * updating media count (via call setting), media channel must be reinit'd |
| * (using pjsua_media_channel_init()) first before calling this function. |
| */ |
| 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_err_code) |
| { |
| enum { MAX_MEDIA = PJSUA_MAX_CALL_MEDIA }; |
| pjmedia_sdp_session *sdp; |
| pj_sockaddr origin; |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pjmedia_sdp_neg_state sdp_neg_state = PJMEDIA_SDP_NEG_STATE_NULL; |
| unsigned mi; |
| pj_status_t status; |
| |
| if (pjsua_get_state() != PJSUA_STATE_RUNNING) |
| return PJ_EBUSY; |
| |
| #if 0 |
| // This function should not really change the media channel. |
| if (rem_sdp) { |
| /* If this is a re-offer, let's re-initialize media as remote may |
| * add or remove media |
| */ |
| if (call->inv && call->inv->state == PJSIP_INV_STATE_CONFIRMED) { |
| status = pjsua_media_channel_init(call_id, PJSIP_ROLE_UAS, |
| call->secure_level, pool, |
| rem_sdp, sip_err_code, |
| PJ_FALSE, NULL); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| } else { |
| /* Audio is first in our offer, by convention */ |
| // The audio_idx should not be changed here, as this function may be |
| // called in generating re-offer and the current active audio index |
| // can be anywhere. |
| //call->audio_idx = 0; |
| } |
| #endif |
| |
| #if 0 |
| // Since r3512, old-style hold should have got transport, created by |
| // pjsua_media_channel_init() in initial offer/answer or remote reoffer. |
| /* Create media if it's not created. This could happen when call is |
| * currently on-hold (with the old style hold) |
| */ |
| if (call->media[call->audio_idx].tp == NULL) { |
| 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_err_code); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| #endif |
| |
| /* Get SDP negotiator state */ |
| if (call->inv && call->inv->neg) |
| sdp_neg_state = pjmedia_sdp_neg_get_state(call->inv->neg); |
| |
| /* Get one address to use in the origin field */ |
| pj_bzero(&origin, sizeof(origin)); |
| for (mi=0; mi<call->med_cnt; ++mi) { |
| pjmedia_transport_info tpinfo; |
| |
| if (call->media[mi].tp == NULL) |
| continue; |
| |
| pjmedia_transport_info_init(&tpinfo); |
| pjmedia_transport_get_info(call->media[mi].tp, &tpinfo); |
| pj_sockaddr_cp(&origin, &tpinfo.sock_info.rtp_addr_name); |
| break; |
| } |
| |
| /* Create the base (blank) SDP */ |
| status = pjmedia_endpt_create_base_sdp(pjsua_var.med_endpt, pool, NULL, |
| &origin, &sdp); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| /* Process each media line */ |
| for (mi=0; mi<call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| pjmedia_sdp_media *m = NULL; |
| pjmedia_transport_info tpinfo; |
| |
| if (rem_sdp && mi >= rem_sdp->media_count) { |
| /* Remote might have removed some media lines. */ |
| break; |
| } |
| |
| if (call_med->tp == NULL || call_med->tp_st == PJSUA_MED_TP_DISABLED) |
| { |
| /* |
| * This media is disabled. Just create a valid SDP with zero |
| * port. |
| */ |
| if (rem_sdp) { |
| /* Just clone the remote media and deactivate it */ |
| m = pjmedia_sdp_media_clone_deactivate(pool, |
| rem_sdp->media[mi]); |
| } else { |
| m = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_media); |
| m->desc.transport = pj_str("RTP/AVP"); |
| m->desc.fmt_count = 1; |
| m->conn = PJ_POOL_ZALLOC_T(pool, pjmedia_sdp_conn); |
| m->conn->net_type = pj_str("IN"); |
| m->conn->addr_type = pj_str("IP4"); |
| m->conn->addr = pj_str("127.0.0.1"); |
| |
| switch (call_med->type) { |
| case PJMEDIA_TYPE_AUDIO: |
| m->desc.media = pj_str("audio"); |
| m->desc.fmt[0] = pj_str("0"); |
| break; |
| case PJMEDIA_TYPE_VIDEO: |
| m->desc.media = pj_str("video"); |
| m->desc.fmt[0] = pj_str("31"); |
| break; |
| default: |
| /* This must be us generating re-offer, and some unknown |
| * media may exist, so just clone from active local SDP |
| * (and it should have been deactivated already). |
| */ |
| pj_assert(call->inv && call->inv->neg && |
| sdp_neg_state == PJMEDIA_SDP_NEG_STATE_DONE); |
| { |
| const pjmedia_sdp_session *s_; |
| pjmedia_sdp_neg_get_active_local(call->inv->neg, &s_); |
| |
| pj_assert(mi < s_->media_count); |
| m = pjmedia_sdp_media_clone(pool, s_->media[mi]); |
| m->desc.port = 0; |
| } |
| break; |
| } |
| } |
| |
| sdp->media[sdp->media_count++] = m; |
| continue; |
| } |
| |
| /* Get transport address info */ |
| pjmedia_transport_info_init(&tpinfo); |
| pjmedia_transport_get_info(call_med->tp, &tpinfo); |
| |
| /* Ask pjmedia endpoint to create SDP media line */ |
| switch (call_med->type) { |
| case PJMEDIA_TYPE_AUDIO: |
| status = pjmedia_endpt_create_audio_sdp(pjsua_var.med_endpt, pool, |
| &tpinfo.sock_info, 0, &m); |
| break; |
| #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| case PJMEDIA_TYPE_VIDEO: |
| status = pjmedia_endpt_create_video_sdp(pjsua_var.med_endpt, pool, |
| &tpinfo.sock_info, 0, &m); |
| break; |
| #endif |
| default: |
| pj_assert(!"Invalid call_med media type"); |
| return PJ_EBUG; |
| } |
| |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| sdp->media[sdp->media_count++] = m; |
| |
| /* Give to transport */ |
| status = pjmedia_transport_encode_sdp(call_med->tp, pool, |
| sdp, rem_sdp, mi); |
| if (status != PJ_SUCCESS) { |
| if (sip_err_code) *sip_err_code = PJSIP_SC_NOT_ACCEPTABLE; |
| return status; |
| } |
| |
| /* Copy c= line of the first media to session level, |
| * if there's none. |
| */ |
| if (sdp->conn == NULL) { |
| sdp->conn = pjmedia_sdp_conn_clone(pool, m->conn); |
| } |
| } |
| |
| /* 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); |
| |
| } |
| |
| |
| #if DISABLED_FOR_TICKET_1185 && defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0) |
| /* Check if SRTP is in optional mode and configured to use duplicated |
| * media, i.e: secured and unsecured version, in the SDP offer. |
| */ |
| if (!rem_sdp && |
| pjsua_var.acc[call->acc_id].cfg.use_srtp == PJMEDIA_SRTP_OPTIONAL && |
| pjsua_var.acc[call->acc_id].cfg.srtp_optional_dup_offer) |
| { |
| unsigned i; |
| |
| for (i = 0; i < sdp->media_count; ++i) { |
| pjmedia_sdp_media *m = sdp->media[i]; |
| |
| /* Check if this media is unsecured but has SDP "crypto" |
| * attribute. |
| */ |
| if (pj_stricmp2(&m->desc.transport, "RTP/AVP") == 0 && |
| pjmedia_sdp_media_find_attr2(m, "crypto", NULL) != NULL) |
| { |
| if (i == (unsigned)call->audio_idx && |
| sdp_neg_state == PJMEDIA_SDP_NEG_STATE_DONE) |
| { |
| /* This is a session update, and peer has chosen the |
| * unsecured version, so let's make this unsecured too. |
| */ |
| pjmedia_sdp_media_remove_all_attr(m, "crypto"); |
| } else { |
| /* This is new offer, duplicate media so we'll have |
| * secured (with "RTP/SAVP" transport) and and unsecured |
| * versions. |
| */ |
| pjmedia_sdp_media *new_m; |
| |
| /* Duplicate this media and apply secured transport */ |
| new_m = pjmedia_sdp_media_clone(pool, m); |
| pj_strdup2(pool, &new_m->desc.transport, "RTP/SAVP"); |
| |
| /* Remove the "crypto" attribute in the unsecured media */ |
| pjmedia_sdp_media_remove_all_attr(m, "crypto"); |
| |
| /* Insert the new media before the unsecured media */ |
| if (sdp->media_count < PJMEDIA_MAX_SDP_MEDIA) { |
| pj_array_insert(sdp->media, sizeof(new_m), |
| sdp->media_count, i, &new_m); |
| ++sdp->media_count; |
| ++i; |
| } |
| } |
| } |
| } |
| } |
| #endif |
| |
| call->rem_offerer = (rem_sdp != NULL); |
| |
| *p_sdp = sdp; |
| return PJ_SUCCESS; |
| } |
| |
| |
| static void stop_media_session(pjsua_call_id call_id) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| unsigned mi; |
| |
| pj_log_push_indent(); |
| |
| for (mi=0; mi<call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| |
| if (call_med->type == PJMEDIA_TYPE_AUDIO) { |
| pjmedia_stream *strm = call_med->strm.a.stream; |
| pjmedia_rtcp_stat stat; |
| |
| if (strm) { |
| if (call_med->strm.a.conf_slot != PJSUA_INVALID_ID) { |
| if (pjsua_var.mconf) { |
| pjsua_conf_remove_port(call_med->strm.a.conf_slot); |
| } |
| call_med->strm.a.conf_slot = PJSUA_INVALID_ID; |
| } |
| |
| if ((call_med->dir & PJMEDIA_DIR_ENCODING) && |
| (pjmedia_stream_get_stat(strm, &stat) == PJ_SUCCESS)) |
| { |
| /* Save RTP timestamp & sequence, so when media session is |
| * restarted, those values will be restored as the initial |
| * RTP timestamp & sequence of the new media session. So in |
| * the same call session, RTP timestamp and sequence are |
| * guaranteed to be contigue. |
| */ |
| call_med->rtp_tx_seq_ts_set = 1 | (1 << 1); |
| call_med->rtp_tx_seq = stat.rtp_tx_last_seq; |
| call_med->rtp_tx_ts = stat.rtp_tx_last_ts; |
| } |
| |
| if (pjsua_var.ua_cfg.cb.on_stream_destroyed) { |
| pjsua_var.ua_cfg.cb.on_stream_destroyed(call_id, strm, mi); |
| } |
| |
| pjmedia_stream_destroy(strm); |
| call_med->strm.a.stream = NULL; |
| } |
| } |
| |
| #if PJMEDIA_HAS_VIDEO |
| else if (call_med->type == PJMEDIA_TYPE_VIDEO) { |
| stop_video_stream(call_med); |
| } |
| #endif |
| |
| PJ_LOG(4,(THIS_FILE, "Media session call%02d:%d is destroyed", |
| call_id, mi)); |
| call_med->prev_state = call_med->state; |
| call_med->state = PJSUA_CALL_MEDIA_NONE; |
| } |
| |
| pj_log_pop_indent(); |
| } |
| |
| pj_status_t pjsua_media_channel_deinit(pjsua_call_id call_id) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| unsigned mi; |
| |
| PJSUA_LOCK(); |
| for (mi=0; mi<call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| |
| if (call_med->tp_st == PJSUA_MED_TP_CREATING) { |
| /* We will do the deinitialization after media transport |
| * creation is completed. |
| */ |
| call->async_call.med_ch_deinit = PJ_TRUE; |
| PJSUA_UNLOCK(); |
| return PJ_SUCCESS; |
| } |
| } |
| PJSUA_UNLOCK(); |
| |
| PJ_LOG(4,(THIS_FILE, "Call %d: deinitializing media..", call_id)); |
| pj_log_push_indent(); |
| |
| for (mi=0; mi<call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| |
| if (call_med->type == PJMEDIA_TYPE_AUDIO && call_med->strm.a.stream) |
| pjmedia_stream_send_rtcp_bye(call_med->strm.a.stream); |
| } |
| |
| stop_media_session(call_id); |
| |
| for (mi=0; mi<call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| |
| if (call_med->tp_st > PJSUA_MED_TP_IDLE) { |
| pjmedia_transport_media_stop(call_med->tp); |
| set_media_tp_state(call_med, PJSUA_MED_TP_IDLE); |
| } |
| |
| //if (call_med->tp_orig && call_med->tp && |
| // call_med->tp != call_med->tp_orig) |
| //{ |
| // pjmedia_transport_close(call_med->tp); |
| // call_med->tp = call_med->tp_orig; |
| //} |
| if (call_med->tp) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = call_med->tp_orig = NULL; |
| } |
| call_med->tp_orig = NULL; |
| } |
| |
| check_snd_dev_idle(); |
| pj_log_pop_indent(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /* |
| * DTMF callback from the stream. |
| */ |
| static void dtmf_callback(pjmedia_stream *strm, void *user_data, |
| int digit) |
| { |
| PJ_UNUSED_ARG(strm); |
| |
| pj_log_push_indent(); |
| |
| /* 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_log_pop_indent(); |
| } |
| |
| |
| static pj_status_t audio_channel_update(pjsua_call_media *call_med, |
| pj_pool_t *tmp_pool, |
| const pjmedia_sdp_session *local_sdp, |
| const pjmedia_sdp_session *remote_sdp) |
| { |
| pjsua_call *call = call_med->call; |
| pjmedia_stream_info the_si, *si = &the_si; |
| pjmedia_port *media_port; |
| unsigned strm_idx = call_med->idx; |
| pj_status_t status; |
| |
| PJ_LOG(4,(THIS_FILE,"Audio channel update..")); |
| pj_log_push_indent(); |
| |
| status = pjmedia_stream_info_from_sdp(si, tmp_pool, pjsua_var.med_endpt, |
| local_sdp, remote_sdp, strm_idx); |
| if (status != PJ_SUCCESS) |
| goto on_return; |
| |
| si->rtcp_sdes_bye_disabled = PJ_TRUE; |
| |
| /* Check if no media is active */ |
| if (si->dir == PJMEDIA_DIR_NONE) { |
| /* Call media state */ |
| call_med->state = PJSUA_CALL_MEDIA_NONE; |
| |
| /* Call media direction */ |
| call_med->dir = PJMEDIA_DIR_NONE; |
| |
| } else { |
| pjmedia_transport_info tp_info; |
| |
| /* Start/restart media transport */ |
| status = pjmedia_transport_media_start(call_med->tp, |
| tmp_pool, local_sdp, |
| remote_sdp, strm_idx); |
| if (status != PJ_SUCCESS) |
| goto on_return; |
| |
| set_media_tp_state(call_med, 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) { |
| unsigned 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_med->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_med->ssrc; |
| |
| /* Set RTP timestamp & sequence, normally these value are intialized |
| * automatically when stream session created, but for some cases (e.g: |
| * call reinvite, call update) timestamp and sequence need to be kept |
| * contigue. |
| */ |
| si->rtp_ts = call_med->rtp_tx_ts; |
| si->rtp_seq = call_med->rtp_tx_seq; |
| si->rtp_seq_ts_set = call_med->rtp_tx_seq_ts_set; |
| |
| #if defined(PJMEDIA_STREAM_ENABLE_KA) && PJMEDIA_STREAM_ENABLE_KA!=0 |
| /* Enable/disable stream keep-alive and NAT hole punch. */ |
| si->use_ka = pjsua_var.acc[call->acc_id].cfg.use_stream_ka; |
| #endif |
| |
| /* Create session based on session info. */ |
| status = pjmedia_stream_create(pjsua_var.med_endpt, NULL, si, |
| call_med->tp, NULL, |
| &call_med->strm.a.stream); |
| if (status != PJ_SUCCESS) { |
| goto on_return; |
| } |
| |
| /* Start stream */ |
| status = pjmedia_stream_start(call_med->strm.a.stream); |
| if (status != PJ_SUCCESS) { |
| goto on_return; |
| } |
| |
| if (call_med->prev_state == PJSUA_CALL_MEDIA_NONE) |
| pjmedia_stream_send_rtcp_sdes(call_med->strm.a.stream); |
| |
| /* If DTMF callback is installed by application, install our |
| * callback to the session. |
| */ |
| if (pjsua_var.ua_cfg.cb.on_dtmf_digit) { |
| pjmedia_stream_set_dtmf_callback(call_med->strm.a.stream, |
| &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_stream_get_port(call_med->strm.a.stream, &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->index, |
| call_med->strm.a.stream, |
| strm_idx, &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_prov, |
| media_port, |
| &port_name, |
| (unsigned*) |
| &call_med->strm.a.conf_slot); |
| if (status != PJ_SUCCESS) { |
| goto on_return; |
| } |
| } |
| |
| /* Call media direction */ |
| call_med->dir = si->dir; |
| |
| /* Call media state */ |
| if (call->local_hold) |
| call_med->state = PJSUA_CALL_MEDIA_LOCAL_HOLD; |
| else if (call_med->dir == PJMEDIA_DIR_DECODING) |
| call_med->state = PJSUA_CALL_MEDIA_REMOTE_HOLD; |
| else |
| call_med->state = PJSUA_CALL_MEDIA_ACTIVE; |
| } |
| |
| /* Print info. */ |
| { |
| char info[80]; |
| int info_len = 0; |
| int len; |
| const char *dir; |
| |
| switch (si->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)", strm_idx, |
| (int)si->fmt.encoding_name.slen, |
| si->fmt.encoding_name.ptr, |
| dir); |
| if (len > 0) |
| info_len += len; |
| PJ_LOG(4,(THIS_FILE,"Audio updated%s", info)); |
| } |
| |
| on_return: |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| pj_status_t pjsua_media_channel_update(pjsua_call_id call_id, |
| const pjmedia_sdp_session *local_sdp, |
| const pjmedia_sdp_session *remote_sdp) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| pjsua_acc *acc = &pjsua_var.acc[call->acc_id]; |
| pj_pool_t *tmp_pool = call->inv->pool_prov; |
| unsigned mi; |
| pj_bool_t got_media = PJ_FALSE; |
| pj_status_t status = PJ_SUCCESS; |
| |
| const pj_str_t STR_AUDIO = { "audio", 5 }; |
| const pj_str_t STR_VIDEO = { "video", 5 }; |
| pj_uint8_t maudidx[PJSUA_MAX_CALL_MEDIA]; |
| unsigned maudcnt = PJ_ARRAY_SIZE(maudidx); |
| unsigned mtotaudcnt = PJ_ARRAY_SIZE(maudidx); |
| pj_uint8_t mvididx[PJSUA_MAX_CALL_MEDIA]; |
| unsigned mvidcnt = PJ_ARRAY_SIZE(mvididx); |
| unsigned mtotvidcnt = PJ_ARRAY_SIZE(mvididx); |
| pj_bool_t need_renego_sdp = PJ_FALSE; |
| |
| if (pjsua_get_state() != PJSUA_STATE_RUNNING) |
| return PJ_EBUSY; |
| |
| PJ_LOG(4,(THIS_FILE, "Call %d: updating media..", call_id)); |
| pj_log_push_indent(); |
| |
| /* Destroy existing media session, if any. */ |
| stop_media_session(call->index); |
| |
| /* Call media count must be at least equal to SDP media. Note that |
| * it may not be equal when remote removed any SDP media line. |
| */ |
| pj_assert(call->med_cnt >= local_sdp->media_count); |
| |
| /* Reset audio_idx first */ |
| call->audio_idx = -1; |
| |
| /* Sort audio/video based on "quality" */ |
| sort_media(local_sdp, &STR_AUDIO, acc->cfg.use_srtp, |
| maudidx, &maudcnt, &mtotaudcnt); |
| #if PJMEDIA_HAS_VIDEO |
| sort_media(local_sdp, &STR_VIDEO, acc->cfg.use_srtp, |
| mvididx, &mvidcnt, &mtotvidcnt); |
| #else |
| PJ_UNUSED_ARG(STR_VIDEO); |
| mvidcnt = mtotvidcnt = 0; |
| #endif |
| |
| /* Applying media count limitation. Note that in generating SDP answer, |
| * no media count limitation applied, as we didn't know yet which media |
| * would pass the SDP negotiation. |
| */ |
| if (maudcnt > call->opt.audio_cnt || mvidcnt > call->opt.video_cnt) |
| { |
| pjmedia_sdp_session *local_sdp2; |
| |
| maudcnt = PJ_MIN(maudcnt, call->opt.audio_cnt); |
| mvidcnt = PJ_MIN(mvidcnt, call->opt.video_cnt); |
| local_sdp2 = pjmedia_sdp_session_clone(tmp_pool, local_sdp); |
| |
| for (mi=0; mi < local_sdp2->media_count; ++mi) { |
| pjmedia_sdp_media *m = local_sdp2->media[mi]; |
| |
| if (m->desc.port == 0 || |
| pj_memchr(maudidx, mi, maudcnt*sizeof(maudidx[0])) || |
| pj_memchr(mvididx, mi, mvidcnt*sizeof(mvididx[0]))) |
| { |
| continue; |
| } |
| |
| /* Deactivate this media */ |
| pjmedia_sdp_media_deactivate(tmp_pool, m); |
| } |
| |
| local_sdp = local_sdp2; |
| need_renego_sdp = PJ_TRUE; |
| } |
| |
| /* Process each media stream */ |
| for (mi=0; mi < call->med_cnt; ++mi) { |
| pjsua_call_media *call_med = &call->media[mi]; |
| |
| if (mi >= local_sdp->media_count || |
| mi >= remote_sdp->media_count) |
| { |
| /* This may happen when remote removed any SDP media lines in |
| * its re-offer. |
| */ |
| continue; |
| #if 0 |
| /* Something is wrong */ |
| PJ_LOG(1,(THIS_FILE, "Error updating media for call %d: " |
| "invalid media index %d in SDP", call_id, mi)); |
| status = PJMEDIA_SDP_EINSDP; |
| goto on_error; |
| #endif |
| } |
| |
| switch (call_med->type) { |
| case PJMEDIA_TYPE_AUDIO: |
| status = audio_channel_update(call_med, tmp_pool, |
| local_sdp, remote_sdp); |
| if (call->audio_idx==-1 && status==PJ_SUCCESS && |
| call_med->strm.a.stream) |
| { |
| call->audio_idx = mi; |
| } |
| break; |
| #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| case PJMEDIA_TYPE_VIDEO: |
| status = video_channel_update(call_med, tmp_pool, |
| local_sdp, remote_sdp); |
| break; |
| #endif |
| default: |
| status = PJMEDIA_EINVALIMEDIATYPE; |
| break; |
| } |
| |
| /* Close the transport of deactivated media, need this here as media |
| * can be deactivated by the SDP negotiation and the max media count |
| * (account) setting. |
| */ |
| if (local_sdp->media[mi]->desc.port==0 && call_med->tp) { |
| pjmedia_transport_close(call_med->tp); |
| call_med->tp = call_med->tp_orig = NULL; |
| set_media_tp_state(call_med, PJSUA_MED_TP_IDLE); |
| } |
| |
| if (status != PJ_SUCCESS) { |
| PJ_PERROR(1,(THIS_FILE, status, "Error updating media call%02d:%d", |
| call_id, mi)); |
| } else { |
| got_media = PJ_TRUE; |
| } |
| } |
| |
| /* Perform SDP re-negotiation if needed. */ |
| if (got_media && need_renego_sdp) { |
| pjmedia_sdp_neg *neg = call->inv->neg; |
| |
| /* This should only happen when we are the answerer. */ |
| PJ_ASSERT_RETURN(neg && !pjmedia_sdp_neg_was_answer_remote(neg), |
| PJMEDIA_SDPNEG_EINSTATE); |
| |
| status = pjmedia_sdp_neg_set_remote_offer(tmp_pool, neg, remote_sdp); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| status = pjmedia_sdp_neg_set_local_answer(tmp_pool, neg, local_sdp); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| status = pjmedia_sdp_neg_negotiate(tmp_pool, neg, 0); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| } |
| |
| pj_log_pop_indent(); |
| return (got_media? PJ_SUCCESS : PJMEDIA_SDPNEG_ENOMEDIA); |
| |
| on_error: |
| pj_log_pop_indent(); |
| 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[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) |
| { |
| pj_status_t status = PJ_SUCCESS; |
| |
| PJ_LOG(4,(THIS_FILE, "%s connect: %d --> %d", |
| (pjsua_var.is_mswitch ? "Switch" : "Conf"), |
| source, sink)); |
| pj_log_push_indent(); |
| |
| /* If sound device idle timer is active, cancel it first. */ |
| PJSUA_LOCK(); |
| 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; |
| } |
| PJSUA_UNLOCK(); |
| |
| |
| /* For audio switchboard (i.e. APS-Direct): |
| * Check if sound device need to be reopened, i.e: its attributes |
| * (format, clock rate, channel count) must match to peer's. |
| * Note that sound device can be reopened only if it doesn't have |
| * any connection. |
| */ |
| if (pjsua_var.is_mswitch) { |
| pjmedia_conf_port_info port0_info; |
| pjmedia_conf_port_info peer_info; |
| unsigned peer_id; |
| pj_bool_t need_reopen = PJ_FALSE; |
| |
| peer_id = (source!=0)? source : sink; |
| status = pjmedia_conf_get_port_info(pjsua_var.mconf, peer_id, |
| &peer_info); |
| pj_assert(status == PJ_SUCCESS); |
| |
| status = pjmedia_conf_get_port_info(pjsua_var.mconf, 0, &port0_info); |
| pj_assert(status == PJ_SUCCESS); |
| |
| /* Check if sound device is instantiated. */ |
| need_reopen = (pjsua_var.snd_port==NULL && pjsua_var.null_snd==NULL && |
| !pjsua_var.no_snd); |
| |
| /* Check if sound device need to reopen because it needs to modify |
| * settings to match its peer. Sound device must be idle in this case |
| * though. |
| */ |
| if (!need_reopen && |
| port0_info.listener_cnt==0 && port0_info.transmitter_cnt==0) |
| { |
| need_reopen = (peer_info.format.id != port0_info.format.id || |
| peer_info.format.det.aud.avg_bps != |
| port0_info.format.det.aud.avg_bps || |
| peer_info.clock_rate != port0_info.clock_rate || |
| peer_info.channel_count!=port0_info.channel_count); |
| } |
| |
| if (need_reopen) { |
| if (pjsua_var.cap_dev != NULL_SND_DEV_ID) { |
| pjmedia_snd_port_param param; |
| |
| /* Create parameter based on peer info */ |
| status = create_aud_param(¶m.base, pjsua_var.cap_dev, |
| pjsua_var.play_dev, |
| peer_info.clock_rate, |
| peer_info.channel_count, |
| peer_info.samples_per_frame, |
| peer_info.bits_per_sample); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error opening sound device", |
| status); |
| goto on_return; |
| } |
| |
| /* And peer format */ |
| if (peer_info.format.id != PJMEDIA_FORMAT_PCM) { |
| param.base.flags |= PJMEDIA_AUD_DEV_CAP_EXT_FORMAT; |
| param.base.ext_fmt = peer_info.format; |
| } |
| |
| param.options = 0; |
| status = open_snd_dev(¶m); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error opening sound device", |
| status); |
| goto on_return; |
| } |
| } else { |
| /* Null-audio */ |
| 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); |
| goto on_return; |
| } |
| } |
| } else if (pjsua_var.no_snd) { |
| if (!pjsua_var.snd_is_on) { |
| pjsua_var.snd_is_on = PJ_TRUE; |
| /* Notify app */ |
| if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| } |
| } |
| } |
| |
| } else { |
| /* The bridge version */ |
| |
| /* 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); |
| goto on_return; |
| } |
| } else if (pjsua_var.no_snd && !pjsua_var.snd_is_on) { |
| pjsua_var.snd_is_on = PJ_TRUE; |
| /* Notify app */ |
| if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| } |
| } |
| } |
| |
| status = pjmedia_conf_connect_port(pjsua_var.mconf, source, sink, 0); |
| |
| on_return: |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* |
| * 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; |
| |
| PJ_LOG(4,(THIS_FILE, "%s disconnect: %d -x- %d", |
| (pjsua_var.is_mswitch ? "Switch" : "Conf"), |
| source, sink)); |
| pj_log_push_indent(); |
| |
| status = pjmedia_conf_disconnect_port(pjsua_var.mconf, source, sink); |
| check_snd_dev_idle(); |
| |
| pj_log_pop_indent(); |
| 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 = NULL; |
| pjmedia_port *port; |
| pj_status_t status = PJ_SUCCESS; |
| |
| if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player)) |
| return PJ_ETOOMANY; |
| |
| PJ_LOG(4,(THIS_FILE, "Creating file player: %.*s..", |
| (int)filename->slen, filename->ptr)); |
| pj_log_push_indent(); |
| |
| 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 */ |
| pj_assert(0); |
| status = PJ_EBUG; |
| goto on_error; |
| } |
| |
| pj_memcpy(path, filename->ptr, filename->slen); |
| path[filename->slen] = '\0'; |
| |
| pool = pjsua_pool_create(get_basename(path, filename->slen), 1000, 1000); |
| if (!pool) { |
| status = PJ_ENOMEM; |
| goto on_error; |
| } |
| |
| 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_perror(THIS_FILE, "Unable to open file for playback", status); |
| goto on_error; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| port, filename, &slot); |
| if (status != PJ_SUCCESS) { |
| pjmedia_port_destroy(port); |
| pjsua_perror(THIS_FILE, "Unable to add file to conference bridge", |
| status); |
| goto on_error; |
| } |
| |
| 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(); |
| |
| PJ_LOG(4,(THIS_FILE, "Player created, id=%d, slot=%d", file_id, slot)); |
| |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| |
| on_error: |
| PJSUA_UNLOCK(); |
| if (pool) pj_pool_release(pool); |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* |
| * 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 = NULL; |
| pjmedia_port *port; |
| pj_status_t status = PJ_SUCCESS; |
| |
| if (pjsua_var.player_cnt >= PJ_ARRAY_SIZE(pjsua_var.player)) |
| return PJ_ETOOMANY; |
| |
| PJ_LOG(4,(THIS_FILE, "Creating playlist with %d file(s)..", file_count)); |
| pj_log_push_indent(); |
| |
| 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 */ |
| pj_assert(0); |
| status = PJ_EBUG; |
| goto on_error; |
| } |
| |
| |
| ptime = pjsua_var.mconf_cfg.samples_per_frame * 1000 / |
| pjsua_var.media_cfg.clock_rate; |
| |
| pool = pjsua_pool_create("playlist", 1000, 1000); |
| if (!pool) { |
| status = PJ_ENOMEM; |
| goto on_error; |
| } |
| |
| status = pjmedia_wav_playlist_create(pool, label, |
| file_names, file_count, |
| ptime, options, 0, &port); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to create playlist", status); |
| goto on_error; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| port, &port->info.name, &slot); |
| if (status != PJ_SUCCESS) { |
| pjmedia_port_destroy(port); |
| pjsua_perror(THIS_FILE, "Unable to add port", status); |
| goto on_error; |
| } |
| |
| 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(); |
| |
| PJ_LOG(4,(THIS_FILE, "Playlist created, id=%d, slot=%d", file_id, slot)); |
| |
| pj_log_pop_indent(); |
| |
| return PJ_SUCCESS; |
| |
| on_error: |
| PJSUA_UNLOCK(); |
| if (pool) pj_pool_release(pool); |
| pj_log_pop_indent(); |
| |
| return status; |
| } |
| |
| |
| /* |
| * 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); |
| |
| PJ_LOG(4,(THIS_FILE, "Destroying player %d..", id)); |
| pj_log_push_indent(); |
| |
| 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(); |
| pj_log_pop_indent(); |
| |
| 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 = NULL; |
| pjmedia_port *port; |
| pj_status_t status = PJ_SUCCESS; |
| |
| /* 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); |
| |
| PJ_LOG(4,(THIS_FILE, "Creating recorder %.*s..", |
| (int)filename->slen, filename->ptr)); |
| pj_log_push_indent(); |
| |
| if (pjsua_var.rec_cnt >= PJ_ARRAY_SIZE(pjsua_var.recorder)) { |
| pj_log_pop_indent(); |
| 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)); |
| pj_log_pop_indent(); |
| 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 */ |
| pj_assert(0); |
| status = PJ_EBUG; |
| goto on_return; |
| } |
| |
| pj_memcpy(path, filename->ptr, filename->slen); |
| path[filename->slen] = '\0'; |
| |
| pool = pjsua_pool_create(get_basename(path, filename->slen), 1000, 1000); |
| if (!pool) { |
| status = PJ_ENOMEM; |
| goto on_return; |
| } |
| |
| 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_perror(THIS_FILE, "Unable to open file for recording", status); |
| goto on_return; |
| } |
| |
| status = pjmedia_conf_add_port(pjsua_var.mconf, pool, |
| port, filename, &slot); |
| if (status != PJ_SUCCESS) { |
| pjmedia_port_destroy(port); |
| goto on_return; |
| } |
| |
| 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(); |
| |
| PJ_LOG(4,(THIS_FILE, "Recorder created, id=%d, slot=%d", file_id, slot)); |
| |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| |
| on_return: |
| PJSUA_UNLOCK(); |
| if (pool) pj_pool_release(pool); |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* |
| * 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); |
| |
| PJ_LOG(4,(THIS_FILE, "Destroying recorder %d..", id)); |
| pj_log_push_indent(); |
| |
| 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(); |
| pj_log_pop_indent(); |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| /***************************************************************************** |
| * Sound devices. |
| */ |
| |
| /* |
| * Enum sound devices. |
| */ |
| |
| PJ_DEF(pj_status_t) pjsua_enum_aud_devs( pjmedia_aud_dev_info info[], |
| unsigned *count) |
| { |
| unsigned i, dev_count; |
| |
| dev_count = pjmedia_aud_dev_count(); |
| |
| if (dev_count > *count) dev_count = *count; |
| |
| for (i=0; i<dev_count; ++i) { |
| pj_status_t status; |
| |
| status = pjmedia_aud_dev_get_info(i, &info[i]); |
| if (status != PJ_SUCCESS) |
| return status; |
| } |
| |
| *count = dev_count; |
| |
| return PJ_SUCCESS; |
| } |
| |
| |
| PJ_DEF(pj_status_t) pjsua_enum_snd_devs( pjmedia_snd_dev_info info[], |
| unsigned *count) |
| { |
| unsigned i, dev_count; |
| |
| dev_count = pjmedia_aud_dev_count(); |
| |
| if (dev_count > *count) dev_count = *count; |
| pj_bzero(info, dev_count * sizeof(pjmedia_snd_dev_info)); |
| |
| for (i=0; i<dev_count; ++i) { |
| pjmedia_aud_dev_info ai; |
| pj_status_t status; |
| |
| status = pjmedia_aud_dev_get_info(i, &ai); |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| strncpy(info[i].name, ai.name, sizeof(info[i].name)); |
| info[i].name[sizeof(info[i].name)-1] = '\0'; |
| info[i].input_count = ai.input_count; |
| info[i].output_count = ai.output_count; |
| info[i].default_samples_per_sec = ai.default_samples_per_sec; |
| } |
| |
| *count = dev_count; |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* Create audio device parameter to open the device */ |
| static pj_status_t create_aud_param(pjmedia_aud_param *param, |
| pjmedia_aud_dev_index capture_dev, |
| pjmedia_aud_dev_index playback_dev, |
| unsigned clock_rate, |
| unsigned channel_count, |
| unsigned samples_per_frame, |
| unsigned bits_per_sample) |
| { |
| pj_status_t status; |
| |
| /* Normalize device ID with new convention about default device ID */ |
| if (playback_dev == PJMEDIA_AUD_DEFAULT_CAPTURE_DEV) |
| playback_dev = PJMEDIA_AUD_DEFAULT_PLAYBACK_DEV; |
| |
| /* Create default parameters for the device */ |
| status = pjmedia_aud_dev_default_param(capture_dev, param); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error retrieving default audio " |
| "device parameters", status); |
| return status; |
| } |
| param->dir = PJMEDIA_DIR_CAPTURE_PLAYBACK; |
| param->rec_id = capture_dev; |
| param->play_id = playback_dev; |
| param->clock_rate = clock_rate; |
| param->channel_count = channel_count; |
| param->samples_per_frame = samples_per_frame; |
| param->bits_per_sample = bits_per_sample; |
| |
| /* Update the setting with user preference */ |
| #define update_param(cap, field) \ |
| if (pjsua_var.aud_param.flags & cap) { \ |
| param->flags |= cap; \ |
| param->field = pjsua_var.aud_param.field; \ |
| } |
| update_param( PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING, input_vol); |
| update_param( PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, output_vol); |
| update_param( PJMEDIA_AUD_DEV_CAP_INPUT_ROUTE, input_route); |
| update_param( PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE, output_route); |
| #undef update_param |
| |
| /* Latency settings */ |
| param->flags |= (PJMEDIA_AUD_DEV_CAP_INPUT_LATENCY | |
| PJMEDIA_AUD_DEV_CAP_OUTPUT_LATENCY); |
| param->input_latency_ms = pjsua_var.media_cfg.snd_rec_latency; |
| param->output_latency_ms = pjsua_var.media_cfg.snd_play_latency; |
| |
| /* EC settings */ |
| if (pjsua_var.media_cfg.ec_tail_len) { |
| param->flags |= (PJMEDIA_AUD_DEV_CAP_EC | PJMEDIA_AUD_DEV_CAP_EC_TAIL); |
| param->ec_enabled = PJ_TRUE; |
| param->ec_tail_ms = pjsua_var.media_cfg.ec_tail_len; |
| } else { |
| param->flags &= ~(PJMEDIA_AUD_DEV_CAP_EC|PJMEDIA_AUD_DEV_CAP_EC_TAIL); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* Internal: the first time the audio device is opened (during app |
| * startup), retrieve the audio settings such as volume level |
| * so that aud_get_settings() will work. |
| */ |
| static pj_status_t update_initial_aud_param() |
| { |
| pjmedia_aud_stream *strm; |
| pjmedia_aud_param param; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(pjsua_var.snd_port != NULL, PJ_EBUG); |
| |
| strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| |
| status = pjmedia_aud_stream_get_param(strm, ¶m); |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Error audio stream " |
| "device parameters", status); |
| return status; |
| } |
| |
| #define update_saved_param(cap, field) \ |
| if (param.flags & cap) { \ |
| pjsua_var.aud_param.flags |= cap; \ |
| pjsua_var.aud_param.field = param.field; \ |
| } |
| |
| update_saved_param(PJMEDIA_AUD_DEV_CAP_INPUT_VOLUME_SETTING, input_vol); |
| update_saved_param(PJMEDIA_AUD_DEV_CAP_OUTPUT_VOLUME_SETTING, output_vol); |
| update_saved_param(PJMEDIA_AUD_DEV_CAP_INPUT_ROUTE, input_route); |
| update_saved_param(PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE, output_route); |
| #undef update_saved_param |
| |
| return PJ_SUCCESS; |
| } |
| |
| /* Get format name */ |
| static const char *get_fmt_name(pj_uint32_t id) |
| { |
| static char name[8]; |
| |
| if (id == PJMEDIA_FORMAT_L16) |
| return "PCM"; |
| pj_memcpy(name, &id, 4); |
| name[4] = '\0'; |
| return name; |
| } |
| |
| /* Open sound device with the setting. */ |
| static pj_status_t open_snd_dev(pjmedia_snd_port_param *param) |
| { |
| pjmedia_port *conf_port; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(param, PJ_EINVAL); |
| |
| /* Check if NULL sound device is used */ |
| if (NULL_SND_DEV_ID==param->base.rec_id || |
| NULL_SND_DEV_ID==param->base.play_id) |
| { |
| return pjsua_set_null_snd_dev(); |
| } |
| |
| /* Close existing sound port */ |
| close_snd_dev(); |
| |
| /* Notify app */ |
| if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| } |
| |
| /* 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 sound device %s@%d/%d/%dms", |
| get_fmt_name(param->base.ext_fmt.id), |
| param->base.clock_rate, param->base.channel_count, |
| param->base.samples_per_frame / param->base.channel_count * |
| 1000 / param->base.clock_rate)); |
| pj_log_push_indent(); |
| |
| status = pjmedia_snd_port_create2( pjsua_var.snd_pool, |
| param, &pjsua_var.snd_port); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| /* Get the port0 of the conference bridge. */ |
| conf_port = pjmedia_conf_get_master_port(pjsua_var.mconf); |
| pj_assert(conf_port != NULL); |
| |
| /* For conference bridge, resample if necessary if the bridge's |
| * clock rate is different than the sound device's clock rate. |
| */ |
| if (!pjsua_var.is_mswitch && |
| param->base.ext_fmt.id == PJMEDIA_FORMAT_PCM && |
| PJMEDIA_PIA_SRATE(&conf_port->info) != param->base.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, |
| param->base.clock_rate, |
| resample_opt, |
| &resample_port); |
| if (status != PJ_SUCCESS) { |
| char errmsg[PJ_ERR_MSG_SIZE]; |
| pj_strerror(status, errmsg, sizeof(errmsg)); |
| PJ_LOG(4, (THIS_FILE, |
| "Error creating resample port: %s", |
| errmsg)); |
| close_snd_dev(); |
| goto on_error; |
| } |
| |
| conf_port = resample_port; |
| } |
| |
| /* Otherwise for audio switchboard, the switch's port0 setting is |
| * derived from the sound device setting, so update the setting. |
| */ |
| if (pjsua_var.is_mswitch) { |
| if (param->base.flags & PJMEDIA_AUD_DEV_CAP_EXT_FORMAT) { |
| conf_port->info.fmt = param->base.ext_fmt; |
| } else { |
| unsigned bps, ptime_usec; |
| bps = param->base.clock_rate * param->base.bits_per_sample; |
| ptime_usec = param->base.samples_per_frame / |
| param->base.channel_count * 1000000 / |
| param->base.clock_rate; |
| pjmedia_format_init_audio(&conf_port->info.fmt, |
| PJMEDIA_FORMAT_PCM, |
| param->base.clock_rate, |
| param->base.channel_count, |
| param->base.bits_per_sample, |
| ptime_usec, |
| bps, bps); |
| } |
| } |
| |
| |
| /* 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; |
| goto on_error; |
| } |
| |
| /* Save the device IDs */ |
| pjsua_var.cap_dev = param->base.rec_id; |
| pjsua_var.play_dev = param->base.play_id; |
| |
| /* Update sound device name. */ |
| { |
| pjmedia_aud_dev_info rec_info; |
| pjmedia_aud_stream *strm; |
| pjmedia_aud_param si; |
| pj_str_t tmp; |
| |
| strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| status = pjmedia_aud_stream_get_param(strm, &si); |
| if (status == PJ_SUCCESS) |
| status = pjmedia_aud_dev_get_info(si.rec_id, &rec_info); |
| |
| if (status==PJ_SUCCESS) { |
| if (param->base.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)", |
| rec_info.name, |
| param->base.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, rec_info.name)); |
| } |
| } |
| |
| /* Any error is not major, let it through */ |
| status = PJ_SUCCESS; |
| } |
| |
| /* If this is the first time the audio device is open, retrieve some |
| * settings from the device (such as volume settings) so that the |
| * pjsua_snd_get_setting() work. |
| */ |
| if (pjsua_var.aud_open_cnt == 0) { |
| update_initial_aud_param(); |
| ++pjsua_var.aud_open_cnt; |
| } |
| |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| |
| on_error: |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* Close existing sound device */ |
| static void close_snd_dev(void) |
| { |
| pj_log_push_indent(); |
| |
| /* Notify app */ |
| if (pjsua_var.snd_is_on && pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(0); |
| } |
| |
| /* Close sound device */ |
| if (pjsua_var.snd_port) { |
| pjmedia_aud_dev_info cap_info, play_info; |
| pjmedia_aud_stream *strm; |
| pjmedia_aud_param param; |
| |
| strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| pjmedia_aud_stream_get_param(strm, ¶m); |
| |
| if (pjmedia_aud_dev_get_info(param.rec_id, &cap_info) != PJ_SUCCESS) |
| cap_info.name[0] = '\0'; |
| if (pjmedia_aud_dev_get_info(param.play_id, &play_info) != PJ_SUCCESS) |
| play_info.name[0] = '\0'; |
| |
| 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; |
| pjsua_var.snd_is_on = PJ_FALSE; |
| |
| pj_log_pop_indent(); |
| } |
| |
| |
| /* |
| * 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) |
| { |
| unsigned alt_cr_cnt = 1; |
| unsigned alt_cr[] = {0, 44100, 48000, 32000, 16000, 8000}; |
| unsigned i; |
| pj_status_t status = -1; |
| |
| PJ_LOG(4,(THIS_FILE, "Set sound device: capture=%d, playback=%d", |
| capture_dev, playback_dev)); |
| pj_log_push_indent(); |
| |
| /* Null-sound */ |
| if (capture_dev==NULL_SND_DEV_ID && playback_dev==NULL_SND_DEV_ID) { |
| status = pjsua_set_null_snd_dev(); |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| /* Set default clock rate */ |
| alt_cr[0] = pjsua_var.media_cfg.snd_clock_rate; |
| if (alt_cr[0] == 0) |
| alt_cr[0] = pjsua_var.media_cfg.clock_rate; |
| |
| /* Allow retrying of different clock rate if we're using conference |
| * bridge (meaning audio format is always PCM), otherwise lock on |
| * to one clock rate. |
| */ |
| if (pjsua_var.is_mswitch) { |
| alt_cr_cnt = 1; |
| } else { |
| alt_cr_cnt = PJ_ARRAY_SIZE(alt_cr); |
| } |
| |
| /* Attempts to open the sound device with different clock rates */ |
| for (i=0; i<alt_cr_cnt; ++i) { |
| pjmedia_snd_port_param param; |
| unsigned samples_per_frame; |
| |
| /* Create the default audio param */ |
| samples_per_frame = alt_cr[i] * |
| pjsua_var.media_cfg.audio_frame_ptime * |
| pjsua_var.media_cfg.channel_count / 1000; |
| status = create_aud_param(¶m.base, capture_dev, playback_dev, |
| alt_cr[i], pjsua_var.media_cfg.channel_count, |
| samples_per_frame, 16); |
| if (status != PJ_SUCCESS) |
| goto on_error; |
| |
| /* Open! */ |
| param.options = 0; |
| status = open_snd_dev(¶m); |
| if (status == PJ_SUCCESS) |
| break; |
| } |
| |
| if (status != PJ_SUCCESS) { |
| pjsua_perror(THIS_FILE, "Unable to open sound device", status); |
| goto on_error; |
| } |
| |
| pjsua_var.no_snd = PJ_FALSE; |
| pjsua_var.snd_is_on = PJ_TRUE; |
| |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| |
| on_error: |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /* |
| * 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; |
| |
| PJ_LOG(4,(THIS_FILE, "Setting null sound device..")); |
| pj_log_push_indent(); |
| |
| |
| /* Close existing sound device */ |
| close_snd_dev(); |
| |
| /* Notify app */ |
| if (pjsua_var.ua_cfg.cb.on_snd_dev_operation) { |
| (*pjsua_var.ua_cfg.cb.on_snd_dev_operation)(1); |
| } |
| |
| /* 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); |
| pj_log_pop_indent(); |
| 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; |
| |
| pjsua_var.no_snd = PJ_FALSE; |
| pjsua_var.snd_is_on = PJ_TRUE; |
| |
| pj_log_pop_indent(); |
| 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; |
| } |
| |
| |
| /* |
| * Check whether the sound device is currently active. |
| */ |
| PJ_DEF(pj_bool_t) pjsua_snd_is_active(void) |
| { |
| return pjsua_var.snd_port != NULL; |
| } |
| |
| |
| /* |
| * Configure sound device setting to the sound device being used. |
| */ |
| PJ_DEF(pj_status_t) pjsua_snd_set_setting( pjmedia_aud_dev_cap cap, |
| const void *pval, |
| pj_bool_t keep) |
| { |
| pj_status_t status; |
| |
| /* Check if we are allowed to set the cap */ |
| if ((cap & pjsua_var.aud_svmask) == 0) { |
| return PJMEDIA_EAUD_INVCAP; |
| } |
| |
| /* If sound is active, set it immediately */ |
| if (pjsua_snd_is_active()) { |
| pjmedia_aud_stream *strm; |
| |
| strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| status = pjmedia_aud_stream_set_cap(strm, cap, pval); |
| } else { |
| status = PJ_SUCCESS; |
| } |
| |
| if (status != PJ_SUCCESS) |
| return status; |
| |
| /* Save in internal param for later device open */ |
| if (keep) { |
| status = pjmedia_aud_param_set_cap(&pjsua_var.aud_param, |
| cap, pval); |
| } |
| |
| return status; |
| } |
| |
| /* |
| * Retrieve a sound device setting. |
| */ |
| PJ_DEF(pj_status_t) pjsua_snd_get_setting( pjmedia_aud_dev_cap cap, |
| void *pval) |
| { |
| /* If sound device has never been opened before, open it to |
| * retrieve the initial setting from the device (e.g. audio |
| * volume) |
| */ |
| if (pjsua_var.aud_open_cnt==0) { |
| PJ_LOG(4,(THIS_FILE, "Opening sound device to get initial settings")); |
| pjsua_set_snd_dev(pjsua_var.cap_dev, pjsua_var.play_dev); |
| close_snd_dev(); |
| } |
| |
| if (pjsua_snd_is_active()) { |
| /* Sound is active, retrieve from device directly */ |
| pjmedia_aud_stream *strm; |
| |
| strm = pjmedia_snd_port_get_snd_stream(pjsua_var.snd_port); |
| return pjmedia_aud_stream_get_cap(strm, cap, pval); |
| } else { |
| /* Otherwise retrieve from internal param */ |
| return pjmedia_aud_param_get_cap(&pjsua_var.aud_param, |
| cap, pval); |
| } |
| } |
| |
| |
| /***************************************************************************** |
| * 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) { |
| pj_bzero(&id[i], sizeof(pjsua_codec_info)); |
| |
| 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 (count > 1? PJ_ETOOMANY : 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 *codec_id, |
| const pjmedia_codec_param *param) |
| { |
| const pjmedia_codec_info *info[2]; |
| pjmedia_codec_mgr *codec_mgr; |
| unsigned count = 2; |
| 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; |
| |
| /* Codec ID should be specific, except for G.722.1 */ |
| if (count > 1 && |
| pj_strnicmp2(codec_id, "G7221/16", 8) != 0 && |
| pj_strnicmp2(codec_id, "G7221/32", 8) != 0) |
| { |
| pj_assert(!"Codec ID is not specific"); |
| return PJ_ETOOMANY; |
| } |
| |
| status = pjmedia_codec_mgr_set_default_param(codec_mgr, info[0], param); |
| return status; |
| } |
| |
| |
| pj_status_t pjsua_media_apply_xml_control(pjsua_call_id call_id, |
| const pj_str_t *xml_st) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| const pj_str_t PICT_FAST_UPDATE = {"picture_fast_update", 19}; |
| |
| #if PJMEDIA_HAS_VIDEO |
| if (pj_strstr(xml_st, &PICT_FAST_UPDATE)) { |
| unsigned i; |
| |
| PJ_LOG(4,(THIS_FILE, "Received keyframe request via SIP INFO")); |
| |
| for (i = 0; i < call->med_cnt; ++i) { |
| pjsua_call_media *cm = &call->media[i]; |
| if (cm->type != PJMEDIA_TYPE_VIDEO || !cm->strm.v.stream) |
| continue; |
| |
| pjmedia_vid_stream_send_keyframe(cm->strm.v.stream); |
| } |
| |
| return PJ_SUCCESS; |
| } |
| #endif |
| |
| /* Just to avoid compiler warning of unused var */ |
| PJ_UNUSED_ARG(xml_st); |
| |
| return PJ_ENOTSUP; |
| } |
| |