| /* $Id$ */ |
| /* |
| * 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> |
| |
| #if defined(PJSUA_MEDIA_HAS_PJMEDIA) && PJSUA_MEDIA_HAS_PJMEDIA != 0 |
| |
| #define THIS_FILE "pjsua_aud.c" |
| #define NULL_SND_DEV_ID -99 |
| |
| /***************************************************************************** |
| * |
| * Prototypes |
| */ |
| /* 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); |
| |
| /***************************************************************************** |
| * |
| * Call API that are closely tied to PJMEDIA |
| */ |
| /* |
| * Check if call has an active media session. |
| */ |
| PJ_DEF(pj_bool_t) pjsua_call_has_media(pjsua_call_id call_id) |
| { |
| pjsua_call *call = &pjsua_var.calls[call_id]; |
| PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| PJ_EINVAL); |
| return call->audio_idx >= 0 && call->media[call->audio_idx].strm.a.stream; |
| } |
| |
| |
| /* |
| * Get the conference port identification associated with the call. |
| */ |
| PJ_DEF(pjsua_conf_port_id) pjsua_call_get_conf_port(pjsua_call_id call_id) |
| { |
| pjsua_call *call; |
| pjsua_conf_port_id port_id = PJSUA_INVALID_ID; |
| |
| PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| PJ_EINVAL); |
| |
| /* Use PJSUA_LOCK() instead of acquire_call(): |
| * https://trac.pjsip.org/repos/ticket/1371 |
| */ |
| PJSUA_LOCK(); |
| |
| if (!pjsua_call_is_active(call_id)) |
| goto on_return; |
| |
| call = &pjsua_var.calls[call_id]; |
| port_id = call->media[call->audio_idx].strm.a.conf_slot; |
| |
| on_return: |
| PJSUA_UNLOCK(); |
| |
| return port_id; |
| } |
| |
| |
| /* |
| * Get media stream info for the specified media index. |
| */ |
| PJ_DEF(pj_status_t) pjsua_call_get_stream_info( pjsua_call_id call_id, |
| unsigned med_idx, |
| pjsua_stream_info *psi) |
| { |
| pjsua_call *call; |
| pjsua_call_media *call_med; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| PJ_EINVAL); |
| PJ_ASSERT_RETURN(psi, PJ_EINVAL); |
| |
| PJSUA_LOCK(); |
| |
| call = &pjsua_var.calls[call_id]; |
| |
| if (med_idx >= call->med_cnt) { |
| PJSUA_UNLOCK(); |
| return PJ_EINVAL; |
| } |
| |
| call_med = &call->media[med_idx]; |
| psi->type = call_med->type; |
| switch (call_med->type) { |
| case PJMEDIA_TYPE_AUDIO: |
| status = pjmedia_stream_get_info(call_med->strm.a.stream, |
| &psi->info.aud); |
| break; |
| #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| case PJMEDIA_TYPE_VIDEO: |
| status = pjmedia_vid_stream_get_info(call_med->strm.v.stream, |
| &psi->info.vid); |
| break; |
| #endif |
| default: |
| status = PJMEDIA_EINVALIMEDIATYPE; |
| break; |
| } |
| |
| PJSUA_UNLOCK(); |
| return status; |
| } |
| |
| |
| /* |
| * Get media stream statistic for the specified media index. |
| */ |
| PJ_DEF(pj_status_t) pjsua_call_get_stream_stat( pjsua_call_id call_id, |
| unsigned med_idx, |
| pjsua_stream_stat *stat) |
| { |
| pjsua_call *call; |
| pjsua_call_media *call_med; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| PJ_EINVAL); |
| PJ_ASSERT_RETURN(stat, PJ_EINVAL); |
| |
| PJSUA_LOCK(); |
| |
| call = &pjsua_var.calls[call_id]; |
| |
| if (med_idx >= call->med_cnt) { |
| PJSUA_UNLOCK(); |
| return PJ_EINVAL; |
| } |
| |
| call_med = &call->media[med_idx]; |
| switch (call_med->type) { |
| case PJMEDIA_TYPE_AUDIO: |
| status = pjmedia_stream_get_stat(call_med->strm.a.stream, |
| &stat->rtcp); |
| if (status == PJ_SUCCESS) |
| status = pjmedia_stream_get_stat_jbuf(call_med->strm.a.stream, |
| &stat->jbuf); |
| break; |
| #if defined(PJMEDIA_HAS_VIDEO) && (PJMEDIA_HAS_VIDEO != 0) |
| case PJMEDIA_TYPE_VIDEO: |
| status = pjmedia_vid_stream_get_stat(call_med->strm.v.stream, |
| &stat->rtcp); |
| if (status == PJ_SUCCESS) |
| status = pjmedia_vid_stream_get_stat_jbuf(call_med->strm.v.stream, |
| &stat->jbuf); |
| break; |
| #endif |
| default: |
| status = PJMEDIA_EINVALIMEDIATYPE; |
| break; |
| } |
| |
| PJSUA_UNLOCK(); |
| return status; |
| } |
| |
| /* |
| * Send DTMF digits to remote using RFC 2833 payload formats. |
| */ |
| PJ_DEF(pj_status_t) pjsua_call_dial_dtmf( pjsua_call_id call_id, |
| const pj_str_t *digits) |
| { |
| pjsua_call *call; |
| pjsip_dialog *dlg = NULL; |
| pj_status_t status; |
| |
| PJ_ASSERT_RETURN(call_id>=0 && call_id<(int)pjsua_var.ua_cfg.max_calls, |
| PJ_EINVAL); |
| |
| PJ_LOG(4,(THIS_FILE, "Call %d dialing DTMF %.*s", |
| call_id, (int)digits->slen, digits->ptr)); |
| pj_log_push_indent(); |
| |
| status = acquire_call("pjsua_call_dial_dtmf()", call_id, &call, &dlg); |
| if (status != PJ_SUCCESS) |
| goto on_return; |
| |
| if (!pjsua_call_has_media(call_id)) { |
| PJ_LOG(3,(THIS_FILE, "Media is not established yet!")); |
| status = PJ_EINVALIDOP; |
| goto on_return; |
| } |
| |
| status = pjmedia_stream_dial_dtmf( |
| call->media[call->audio_idx].strm.a.stream, digits); |
| |
| on_return: |
| if (dlg) pjsip_dlg_dec_lock(dlg); |
| pj_log_pop_indent(); |
| return status; |
| } |
| |
| |
| /***************************************************************************** |
| * |
| * Audio media with PJMEDIA backend |
| */ |
| |
| /* Init pjmedia audio subsystem */ |
| pj_status_t pjsua_aud_subsys_init() |
| { |
| 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); |
| |
| /* |
| * 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 = |
| pjsua_var.media_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); |
| |
| return status; |
| |
| on_error: |
| return status; |
| } |
| |
| /* Check if sound device is idle. */ |
| void pjsua_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 second(s)", |
| pjsua_var.media_cfg.snd_auto_close_time)); |
| |
| entry->id = PJ_FALSE; |
| |
| close_snd_dev(); |
| } |
| PJSUA_UNLOCK(); |
| } |
| |
| pj_status_t pjsua_aud_subsys_start(void) |
| { |
| pj_status_t status = PJ_SUCCESS; |
| |
| pj_timer_entry_init(&pjsua_var.snd_idle_timer, PJ_FALSE, NULL, |
| &close_snd_timer_cb); |
| |
| pjsua_check_snd_dev_idle(); |
| return status; |
| } |
| |
| pj_status_t pjsua_aud_subsys_destroy() |
| { |
| unsigned i; |
| |
| close_snd_dev(); |
| |
| if (pjsua_var.mconf) { |
| pjmedia_conf_destroy(pjsua_var.mconf); |
| pjsua_var.mconf = NULL; |
| } |
| |
| if (pjsua_var.null_port) { |
| pjmedia_port_destroy(pjsua_var.null_port); |
| pjsua_var.null_port = NULL; |
| } |
| |
| /* Destroy file players */ |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.player); ++i) { |
| if (pjsua_var.player[i].port) { |
| pjmedia_port_destroy(pjsua_var.player[i].port); |
| pjsua_var.player[i].port = NULL; |
| } |
| } |
| |
| /* Destroy file recorders */ |
| for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.recorder); ++i) { |
| if (pjsua_var.recorder[i].port) { |
| pjmedia_port_destroy(pjsua_var.recorder[i].port); |
| pjsua_var.recorder[i].port = NULL; |
| } |
| } |
| |
| return PJ_SUCCESS; |
| } |
| |
| void pjsua_aud_stop_stream(pjsua_call_media *call_med) |
| { |
| pjmedia_stream *strm = call_med->strm.a.stream; |
| pjmedia_rtcp_stat stat; |
| |
| if (strm) { |
| pjmedia_stream_send_rtcp_bye(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_med->call->index, |
| strm, call_med->idx); |
| } |
| |
| pjmedia_stream_destroy(strm); |
| call_med->strm.a.stream = NULL; |
| } |
| |
| pjsua_check_snd_dev_idle(); |
| } |
| |
| /* |
| * 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)(pj_ssize_t)user_data; |
| pjsua_var.ua_cfg.cb.on_dtmf_digit(call_id, digit); |
| } |
| |
| pj_log_pop_indent(); |
| } |
| |
| /* Internal function: update audio channel after SDP negotiation. |
| * Warning: do not use temporary/flip-flop pool, e.g: inv->pool_prov, |
| * for creating stream, etc, as after SDP negotiation and when |
| * the SDP media is not changed, the stream should remain running |
| * while the temporary/flip-flop pool may be released. |
| */ |
| pj_status_t pjsua_aud_channel_update(pjsua_call_media *call_med, |
| pj_pool_t *tmp_pool, |
| pjmedia_stream_info *si, |
| const pjmedia_sdp_session *local_sdp, |
| const pjmedia_sdp_session *remote_sdp) |
| { |
| pjsua_call *call = call_med->call; |
| pjmedia_port *media_port; |
| unsigned strm_idx = call_med->idx; |
| pj_status_t status = PJ_SUCCESS; |
| |
| PJ_UNUSED_ARG(tmp_pool); |
| PJ_UNUSED_ARG(local_sdp); |
| PJ_UNUSED_ARG(remote_sdp); |
| |
| PJ_LOG(4,(THIS_FILE,"Audio channel update..")); |
| pj_log_push_indent(); |
| |
| si->rtcp_sdes_bye_disabled = pjsua_var.media_cfg.no_rtcp_sdes_bye; |
| |
| /* Check if no media is active */ |
| if (si->dir != PJMEDIA_DIR_NONE) { |
| |
| /* 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*)(pj_ssize_t)(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, |
| media_port, |
| &port_name, |
| (unsigned*) |
| &call_med->strm.a.conf_slot); |
| if (status != PJ_SUCCESS) { |
| goto on_return; |
| } |
| } |
| } |
| |
| on_return: |
| 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); |
| pjsua_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(); |
| |
| PJSUA_LOCK(); |
| |
| /* If sound device idle timer is active, cancel it first. */ |
| if (pjsua_var.snd_idle_timer.id) { |
| pjsip_endpt_cancel_timer(pjsua_var.endpt, &pjsua_var.snd_idle_timer); |
| pjsua_var.snd_idle_timer.id = PJ_FALSE; |
| } |
| |
| |
| /* 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; |
| |
| pjmedia_snd_port_param_default(¶m); |
| param.ec_options = pjsua_var.media_cfg.ec_options; |
| |
| /* 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) |
| { |
| 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); |
| } |
| } |
| } |
| |
| on_return: |
| PJSUA_UNLOCK(); |
| |
| if (status == PJ_SUCCESS) { |
| status = pjmedia_conf_connect_port(pjsua_var.mconf, source, sink, 0); |
| } |
| |
| 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); |
| pjsua_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, (unsigned)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, (unsigned)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); |
| } |
| |
| /* VAD settings */ |
| if (pjsua_var.media_cfg.no_vad) { |
| param->flags &= ~PJMEDIA_AUD_DEV_CAP_VAD; |
| } else { |
| param->flags |= PJMEDIA_AUD_DEV_CAP_VAD; |
| param->vad_enabled = PJ_TRUE; |
| } |
| |
| 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; |
| |
| tmp_buf_len = pj_ansi_snprintf(tmp_buf, sizeof(tmp_buf), |
| "%s (%dKHz)", |
| rec_info.name, |
| param->base.clock_rate/1000); |
| if (tmp_buf_len < 1 || tmp_buf_len >= (int)sizeof(tmp_buf)) |
| tmp_buf_len = sizeof(tmp_buf) - 1; |
| 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(); |
| |
| PJSUA_LOCK(); |
| |
| /* Null-sound */ |
| if (capture_dev==NULL_SND_DEV_ID && playback_dev==NULL_SND_DEV_ID) { |
| PJSUA_UNLOCK(); |
| 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; |
| pjmedia_snd_port_param_default(¶m); |
| param.ec_options = pjsua_var.media_cfg.ec_options; |
| 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; |
| |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| |
| on_error: |
| PJSUA_UNLOCK(); |
| 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) |
| { |
| PJSUA_LOCK(); |
| |
| if (capture_dev) { |
| *capture_dev = pjsua_var.cap_dev; |
| } |
| if (playback_dev) { |
| *playback_dev = pjsua_var.play_dev; |
| } |
| |
| PJSUA_UNLOCK(); |
| 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(); |
| |
| PJSUA_LOCK(); |
| |
| /* 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); |
| PJSUA_UNLOCK(); |
| 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; |
| |
| PJSUA_UNLOCK(); |
| pj_log_pop_indent(); |
| return PJ_SUCCESS; |
| } |
| |
| |
| |
| /* |
| * Use no device! |
| */ |
| PJ_DEF(pjmedia_port*) pjsua_set_no_snd_dev(void) |
| { |
| PJSUA_LOCK(); |
| |
| /* Close existing sound device */ |
| close_snd_dev(); |
| pjsua_var.no_snd = PJ_TRUE; |
| |
| PJSUA_UNLOCK(); |
| |
| 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) |
| { |
| pj_status_t status = PJ_SUCCESS; |
| |
| PJSUA_LOCK(); |
| |
| pjsua_var.media_cfg.ec_tail_len = tail_ms; |
| pjsua_var.media_cfg.ec_options = options; |
| |
| if (pjsua_var.snd_port) |
| status = pjmedia_snd_port_set_ec(pjsua_var.snd_port, pjsua_var.pool, |
| tail_ms, options); |
| |
| PJSUA_UNLOCK(); |
| return status; |
| } |
| |
| |
| /* |
| * 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; |
| } |
| |
| PJSUA_LOCK(); |
| |
| /* 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) { |
| PJSUA_UNLOCK(); |
| return status; |
| } |
| |
| /* Save in internal param for later device open */ |
| if (keep) { |
| status = pjmedia_aud_param_set_cap(&pjsua_var.aud_param, |
| cap, pval); |
| } |
| |
| PJSUA_UNLOCK(); |
| return status; |
| } |
| |
| /* |
| * Retrieve a sound device setting. |
| */ |
| PJ_DEF(pj_status_t) pjsua_snd_get_setting( pjmedia_aud_dev_cap cap, |
| void *pval) |
| { |
| pj_status_t status; |
| |
| PJSUA_LOCK(); |
| |
| /* 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); |
| status = pjmedia_aud_stream_get_cap(strm, cap, pval); |
| } else { |
| /* Otherwise retrieve from internal param */ |
| status = pjmedia_aud_param_get_cap(&pjsua_var.aud_param, |
| cap, pval); |
| } |
| |
| PJSUA_UNLOCK(); |
| return status; |
| } |
| |
| #endif /* PJSUA_MEDIA_HAS_PJMEDIA */ |