diff options
Diffstat (limited to 'pjsip/src/pjsua-lib/pjsua_media.c')
| -rw-r--r-- | pjsip/src/pjsua-lib/pjsua_media.c | 2232 |
1 files changed, 250 insertions, 1982 deletions
diff --git a/pjsip/src/pjsua-lib/pjsua_media.c b/pjsip/src/pjsua-lib/pjsua_media.c index fb3936b6..2810a24b 100644 --- a/pjsip/src/pjsua-lib/pjsua_media.c +++ b/pjsip/src/pjsua-lib/pjsua_media.c @@ -25,30 +25,13 @@ #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) @@ -64,14 +47,8 @@ static void pjsua_media_config_dup(pj_pool_t *pool, */ 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 */ @@ -115,137 +92,9 @@ pj_status_t pjsua_media_subsys_init(const pjsua_media_config *cfg) 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); + status = pjsua_aud_subsys_init(); + if (status != PJ_SUCCESS) 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. */ @@ -272,82 +121,6 @@ on_error: return status; } - -/* Check if sound device is idle. */ -static void check_snd_dev_idle() -{ - unsigned call_cnt; - - /* Check if the sound device auto-close feature is disabled. */ - if (pjsua_var.media_cfg.snd_auto_close_time < 0) - return; - - /* Check if the sound device is currently closed. */ - if (!pjsua_var.snd_is_on) - return; - - /* 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. - */ - if (pjsua_var.snd_idle_timer.id == PJ_FALSE && - call_cnt == 0 && - pjmedia_conf_get_connect_count(pjsua_var.mconf) == 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. */ @@ -374,13 +147,18 @@ pj_status_t pjsua_media_subsys_start(void) } #endif - pj_timer_entry_init(&pjsua_var.snd_idle_timer, PJ_FALSE, NULL, - &close_snd_timer_cb); + /* Audio */ + status = pjsua_aud_subsys_start(); + if (status != PJ_SUCCESS) { + pj_log_pop_indent(); + return status; + } /* Video */ #if PJMEDIA_HAS_VIDEO status = pjsua_vid_subsys_start(); if (status != PJ_SUCCESS) { + pjsua_aud_subsys_destroy(); pj_log_pop_indent(); return status; } @@ -407,32 +185,8 @@ pj_status_t pjsua_media_subsys_destroy(unsigned flags) 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; - } + if (pjsua_var.med_endpt) { + pjsua_aud_subsys_destroy(); } /* Close media transports */ @@ -1327,8 +1081,8 @@ pj_status_t call_media_on_event(pjmedia_event *event, } /* 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) +void pjsua_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) @@ -1362,7 +1116,7 @@ static pj_status_t call_media_init_cb(pjsua_call_media *call_med, goto on_return; if (call_med->tp_st == PJSUA_MED_TP_CREATING) - set_media_tp_state(call_med, PJSUA_MED_TP_IDLE); + pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_IDLE); if (!call_med->tp_orig && pjsua_var.ua_cfg.cb.on_create_media_transport) @@ -1466,26 +1220,15 @@ pj_status_t pjsua_call_media_init(pjsua_call_media *call_med, /* 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; - } + status = pjsua_vid_channel_init(call_med); + if (status != PJ_SUCCESS) + return status; } #endif - set_media_tp_state(call_med, PJSUA_MED_TP_CREATING); + pjsua_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); @@ -1514,7 +1257,7 @@ pj_status_t pjsua_call_media_init(pjsua_call_media *call_med, } else if (call_med->tp_st == PJSUA_MED_TP_DISABLED) { /* Media is being reenabled. */ - set_media_tp_state(call_med, PJSUA_MED_TP_INIT); + pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_INIT); } return call_media_init_cb(call_med, status, security_level, @@ -1615,7 +1358,7 @@ static pj_status_t media_channel_init_cb(pjsua_call_id call_id, goto on_return; } - set_media_tp_state(call_med, PJSUA_MED_TP_INIT); + pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_INIT); } } @@ -1880,7 +1623,7 @@ pj_status_t pjsua_media_channel_init(pjsua_call_id call_id, //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); + pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_DISABLED); } /* Put media type just for info */ @@ -2242,43 +1985,12 @@ static void stop_media_session(pjsua_call_id call_id) 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; - } + pjsua_aud_stop_stream(call_med); } #if PJMEDIA_HAS_VIDEO else if (call_med->type == PJMEDIA_TYPE_VIDEO) { - stop_video_stream(call_med); + pjsua_vid_stop_stream(call_med); } #endif @@ -2314,13 +2026,6 @@ pj_status_t pjsua_media_channel_deinit(pjsua_call_id call_id) 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) { @@ -2328,7 +2033,7 @@ pj_status_t pjsua_media_channel_deinit(pjsua_call_id call_id) 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); + pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_IDLE); } //if (call_med->tp_orig && call_med->tp && @@ -2344,252 +2049,12 @@ pj_status_t pjsua_media_channel_deinit(pjsua_call_id call_id) 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) @@ -2689,25 +2154,238 @@ pj_status_t pjsua_media_channel_update(pjsua_call_id call_id, #endif } - switch (call_med->type) { - case PJMEDIA_TYPE_AUDIO: - status = audio_channel_update(call_med, tmp_pool, - local_sdp, remote_sdp); + if (call_med->type==PJMEDIA_TYPE_AUDIO) { + pjmedia_stream_info the_si, *si = &the_si; + + status = pjmedia_stream_info_from_sdp(si, tmp_pool, pjsua_var.med_endpt, + local_sdp, remote_sdp, mi); + if (status != PJ_SUCCESS) { + PJ_PERROR(1,(THIS_FILE, status, + "pjmedia_stream_info_from_sdp() failed " + "for call_id %d media %d", + call_id, mi)); + continue; + } + + /* Check if no media is active */ + if (si->dir == PJMEDIA_DIR_NONE) { + /* Update call media state and direction */ + call_med->state = PJSUA_CALL_MEDIA_NONE; + call_med->dir = PJMEDIA_DIR_NONE; + + } else { + pjmedia_transport_info tp_info; + + /* Start/restart media transport based on info in SDP */ + status = pjmedia_transport_media_start(call_med->tp, + tmp_pool, local_sdp, + remote_sdp, mi); + if (status != PJ_SUCCESS) { + PJ_PERROR(1,(THIS_FILE, status, + "pjmedia_transport_media_start() failed " + "for call_id %d media %d", + call_id, mi)); + continue; + } + + pjsua_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; + } + } + } + + /* 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; + } + + /* Call implementation */ + status = pjsua_aud_channel_update(call_med, tmp_pool, si, + local_sdp, remote_sdp); + if (status != PJ_SUCCESS) { + PJ_PERROR(1,(THIS_FILE, status, + "pjsua_aud_channel_update() failed " + "for call_id %d media %d", + call_id, mi)); + continue; + } + + /* Print info. */ + if (status == PJ_SUCCESS) { + 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)", mi, + (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)); + } + + if (call->audio_idx==-1 && status==PJ_SUCCESS && - call_med->strm.a.stream) + si->dir != PJMEDIA_DIR_NONE) { 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; + } else if (call_med->type==PJMEDIA_TYPE_VIDEO) { + pjmedia_vid_stream_info the_si, *si = &the_si; + + status = pjmedia_vid_stream_info_from_sdp(si, tmp_pool, pjsua_var.med_endpt, + local_sdp, remote_sdp, mi); + if (status != PJ_SUCCESS) { + PJ_PERROR(1,(THIS_FILE, status, + "pjmedia_vid_stream_info_from_sdp() failed " + "for call_id %d media %d", + call_id, mi)); + continue; + } + + /* 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, mi); + if (status != PJ_SUCCESS) { + PJ_PERROR(1,(THIS_FILE, status, + "pjmedia_transport_media_start() failed " + "for call_id %d media %d", + call_id, mi)); + continue; + } + + pjsua_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 *sri; + sri=(pjmedia_srtp_info*)tp_info.spc_info[i].buffer; + call_med->rem_srtp_use = sri->peer_use; + break; + } + } + } + + /* 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; + } + + status = pjsua_vid_channel_update(call_med, tmp_pool, si, + local_sdp, remote_sdp); + if (status != PJ_SUCCESS) { + PJ_PERROR(1,(THIS_FILE, status, + "pjmedia_transport_media_start() failed " + "for call_id %d media %d", + call_id, mi)); + continue; + } + + /* 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)", mi, + (int)si->codec_info.encoding_name.slen, + si->codec_info.encoding_name.ptr, + dir); + if (len > 0) + info_len += len; + PJ_LOG(4,(THIS_FILE,"Video updated%s", info)); + } + #endif - default: + } else { status = PJMEDIA_EINVALIMEDIATYPE; - break; } /* Close the transport of deactivated media, need this here as media @@ -2717,7 +2395,7 @@ pj_status_t pjsua_media_channel_update(pjsua_call_id call_id, 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); + pjsua_set_media_tp_state(call_med, PJSUA_MED_TP_IDLE); } if (status != PJ_SUCCESS) { @@ -2757,1416 +2435,6 @@ on_error: 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; - } - - pjsua_var.snd_is_on = PJ_TRUE; - - 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. */ |