static void add_local_endpoint(LinphoneConference *conf,LinphoneCore *lc){ /*create a dummy audiostream in order to extract the local part of it */ /* network address and ports have no meaning and are not used here. */ AudioStream *st=audio_stream_new(65000,65001,FALSE); MSSndCard *playcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard; MSSndCard *captcard=lc->sound_conf.capt_sndcard; const MSAudioConferenceParams *params=ms_audio_conference_get_params(conf->conf); conf->local_dummy_profile=make_dummy_profile(params->samplerate); audio_stream_start_full(st, conf->local_dummy_profile, "127.0.0.1", 65000, "127.0.0.1", 65001, 0, 40, NULL, NULL, playcard, captcard, linphone_core_echo_cancellation_enabled(lc) ); _post_configure_audio_stream(st,lc,FALSE); conf->local_participant=st; conf->local_endpoint=ms_audio_endpoint_get_from_stream(st,FALSE); ms_audio_conference_add_member(conf->conf,conf->local_endpoint); }
bool_t linphone_call_echo_cancellation_enabled(LinphoneCall *call) { if (call!=NULL && call->audiostream!=NULL && call->audiostream->ec){ bool_t val; ms_filter_call_method(call->audiostream->ec,MS_ECHO_CANCELLER_GET_BYPASS_MODE,&val); return !val; } else { return linphone_core_echo_cancellation_enabled(call->core); } }
void linphone_call_init_media_streams(LinphoneCall *call){ LinphoneCore *lc=call->core; SalMediaDescription *md=call->localdesc; AudioStream *audiostream; call->audiostream=audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc)); if (linphone_core_echo_limiter_enabled(lc)){ const char *type=lp_config_get_string(lc->config,"sound","el_type","mic"); if (strcasecmp(type,"mic")==0) audio_stream_enable_echo_limiter(audiostream,ELControlMic); else if (strcasecmp(type,"full")==0) audio_stream_enable_echo_limiter(audiostream,ELControlFull); } audio_stream_enable_gain_control(audiostream,TRUE); if (linphone_core_echo_cancellation_enabled(lc)){ int len,delay,framesize; const char *statestr=lp_config_get_string(lc->config,"sound","ec_state",NULL); len=lp_config_get_int(lc->config,"sound","ec_tail_len",0); delay=lp_config_get_int(lc->config,"sound","ec_delay",0); framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0); audio_stream_set_echo_canceller_params(audiostream,len,delay,framesize); if (statestr && audiostream->ec){ ms_filter_call_method(audiostream->ec,MS_ECHO_CANCELLER_SET_STATE_STRING,(void*)statestr); } } audio_stream_enable_automatic_gain_control(audiostream,linphone_core_agc_enabled(lc)); { int enabled=lp_config_get_int(lc->config,"sound","noisegate",0); audio_stream_enable_noise_gate(audiostream,enabled); } if (lc->a_rtp) rtp_session_set_transports(audiostream->session,lc->a_rtp,lc->a_rtcp); call->audiostream_app_evq = ortp_ev_queue_new(); rtp_session_register_event_queue(audiostream->session,call->audiostream_app_evq); #ifdef VIDEO_ENABLED if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0){ call->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc)); if( lc->video_conf.displaytype != NULL) video_stream_set_display_filter_name(call->videostream,lc->video_conf.displaytype); video_stream_set_event_callback(call->videostream,video_stream_event_cb, call); if (lc->v_rtp) rtp_session_set_transports(call->videostream->session,lc->v_rtp,lc->v_rtcp); call->videostream_app_evq = ortp_ev_queue_new(); rtp_session_register_event_queue(call->videostream->session,call->videostream_app_evq); #ifdef TEST_EXT_RENDERER video_stream_set_render_callback(call->videostream,rendercb,NULL); #endif } #else call->videostream=NULL; #endif }
void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone){ LinphoneCore *lc=call->core; LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc); const char *tool="linphone-" LINPHONE_VERSION; char *cname; int used_pt=-1; #ifdef VIDEO_ENABLED const SalStreamDescription *vstream=sal_media_description_find_stream(call->resultdesc, SalProtoRtpAvp,SalVideo); #endif bool_t use_arc=linphone_core_adaptive_rate_control_enabled(lc); if(call->audiostream == NULL) { ms_fatal("start_media_stream() called without prior init !"); return; } call->current_params = call->params; /* adjust rtp jitter compensation. It must be at least the latency of the sound card */ int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp); if (call->media_start_time==0) call->media_start_time=time(NULL); cname=linphone_address_as_string_uri_only(me); { const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc, SalProtoRtpAvp,SalAudio); if (stream && stream->dir!=SalStreamInactive && stream->port!=0){ MSSndCard *playcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard; MSSndCard *captcard=lc->sound_conf.capt_sndcard; const char *playfile=lc->play_file; const char *recfile=lc->rec_file; call->audio_profile=make_profile(call,call->resultdesc,stream,&used_pt); bool_t use_ec,use_arc_audio=use_arc; if (used_pt!=-1){ if (playcard==NULL) { ms_warning("No card defined for playback !"); } if (captcard==NULL) { ms_warning("No card defined for capture !"); } /*Replace soundcard filters by inactive file players or recorders when placed in recvonly or sendonly mode*/ if (stream->port==0 || stream->dir==SalStreamRecvOnly){ captcard=NULL; playfile=NULL; }else if (stream->dir==SalStreamSendOnly){ playcard=NULL; captcard=NULL; recfile=NULL; /*And we will eventually play "playfile" if set by the user*/ /*playfile=NULL;*/ } if (send_ringbacktone){ captcard=NULL; playfile=NULL;/* it is setup later*/ } /*if playfile are supplied don't use soundcards*/ if (lc->use_files) { captcard=NULL; playcard=NULL; } use_ec=captcard==NULL ? FALSE : linphone_core_echo_cancellation_enabled(lc); #if defined(VIDEO_ENABLED) if (vstream && vstream->dir!=SalStreamInactive && vstream->payloads!=NULL){ /*when video is used, do not make adaptive rate control on audio, it is stupid.*/ use_arc_audio=FALSE; #if defined(ANDROID) /*On android we have to disable the echo canceller to preserve CPU for video codecs */ use_ec=FALSE; #endif } #endif audio_stream_enable_adaptive_bitrate_control(call->audiostream,use_arc_audio); audio_stream_start_full( call->audiostream, call->audio_profile, stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr, stream->port, stream->port+1, used_pt, jitt_comp, playfile, recfile, playcard, captcard, use_ec ); post_configure_audio_streams(call); if (all_inputs_muted && !send_ringbacktone){ audio_stream_set_mic_gain(call->audiostream,0); } if (stream->dir==SalStreamSendOnly && playfile!=NULL){ int pause_time=500; ms_filter_call_method(call->audiostream->soundread,MS_FILE_PLAYER_LOOP,&pause_time); } if (send_ringbacktone){ setup_ring_player(lc,call); } audio_stream_set_rtcp_information(call->audiostream, cname, tool); }else ms_warning("No audio stream accepted ?"); } } #ifdef VIDEO_ENABLED { used_pt=-1; /* shutdown preview */ if (lc->previewstream!=NULL) { video_preview_stop(lc->previewstream); lc->previewstream=NULL; } call->current_params.has_video=FALSE; if (vstream && vstream->dir!=SalStreamInactive && vstream->port!=0) { const char *addr=vstream->addr[0]!='\0' ? vstream->addr : call->resultdesc->addr; call->video_profile=make_profile(call,call->resultdesc,vstream,&used_pt); if (used_pt!=-1){ VideoStreamDir dir=VideoStreamSendRecv; MSWebCam *cam=lc->video_conf.device; bool_t is_inactive=FALSE; call->current_params.has_video=TRUE; video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc)); video_stream_enable_self_view(call->videostream,lc->video_conf.selfview); if (lc->video_window_id!=0) video_stream_set_native_window_id(call->videostream,lc->video_window_id); if (lc->preview_window_id!=0) video_stream_set_native_preview_window_id (call->videostream,lc->preview_window_id); video_stream_use_preview_video_window (call->videostream,lc->use_preview_window); if (vstream->dir==SalStreamSendOnly && lc->video_conf.capture ){ cam=get_nowebcam_device(); dir=VideoStreamSendOnly; }else if (vstream->dir==SalStreamRecvOnly && lc->video_conf.display ){ dir=VideoStreamRecvOnly; }else if (vstream->dir==SalStreamSendRecv){ if (lc->video_conf.display && lc->video_conf.capture) dir=VideoStreamSendRecv; else if (lc->video_conf.display) dir=VideoStreamRecvOnly; else dir=VideoStreamSendOnly; }else{ ms_warning("video stream is inactive."); /*either inactive or incompatible with local capabilities*/ is_inactive=TRUE; } if (call->camera_active==FALSE || all_inputs_muted){ cam=get_nowebcam_device(); } if (!is_inactive){ video_stream_set_direction (call->videostream, dir); video_stream_start(call->videostream, call->video_profile, addr, vstream->port, vstream->port+1, used_pt, jitt_comp, cam); video_stream_set_rtcp_information(call->videostream, cname,tool); } }else ms_warning("No video stream accepted."); }else{ ms_warning("No valid video stream defined."); } } #endif call->all_muted=all_inputs_muted; call->playing_ringbacktone=send_ringbacktone; call->up_bw=linphone_core_get_upload_bandwidth(lc); if (ortp_zrtp_available()) { OrtpZrtpParams params; params.zid=get_hexa_zrtp_identifier(lc); params.zid_file=lc->zrtp_secrets_cache; audio_stream_enable_zrtp(call->audiostream,¶ms); } goto end; end: ms_free(cname); linphone_address_destroy(me); }