/* linphone Copyright (C) 2010 Belledonne Communications SARL (simon.morlat@linphone.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. */ #ifdef WIN32 #include #endif #include "linphonecore.h" #include "sipsetup.h" #include "lpconfig.h" #include "private.h" #include "mediastreamer2/mediastream.h" #include "mediastreamer2/msvolume.h" #include "mediastreamer2/msequalizer.h" #include "mediastreamer2/msfileplayer.h" #include "mediastreamer2/msjpegwriter.h" #ifdef VIDEO_ENABLED static MSWebCam *get_nowebcam_device(){ return ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),"StaticImage: Static picture"); } #endif static MSList *make_codec_list(LinphoneCore *lc, const MSList *codecs, int bandwidth_limit){ MSList *l=NULL; const MSList *it; for(it=codecs;it!=NULL;it=it->next){ PayloadType *pt=(PayloadType*)it->data; if (pt->flags & PAYLOAD_TYPE_ENABLED){ if (bandwidth_limit>0 && !linphone_core_is_payload_type_usable_for_bandwidth(lc,pt,bandwidth_limit)){ ms_message("Codec %s/%i eliminated because of audio bandwidth constraint.",pt->mime_type,pt->clock_rate); continue; } if (linphone_core_check_payload_type_usability(lc,pt)){ l=ms_list_append(l,payload_type_clone(pt)); } } } return l; } SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call){ MSList *l; PayloadType *pt; const char *me=linphone_core_get_identity(lc); LinphoneAddress *addr=linphone_address_new(me); const char *username=linphone_address_get_username (addr); SalMediaDescription *md=sal_media_description_new(); md->nstreams=1; strncpy(md->addr,call->localip,sizeof(md->addr)); strncpy(md->username,username,sizeof(md->username)); md->bandwidth=linphone_core_get_download_bandwidth(lc); /*set audio capabilities */ strncpy(md->streams[0].addr,call->localip,sizeof(md->streams[0].addr)); md->streams[0].port=call->audio_port; md->streams[0].proto=SalProtoRtpAvp; md->streams[0].type=SalAudio; md->streams[0].ptime=lc->net_conf.down_ptime; l=make_codec_list(lc,lc->codecs_conf.audio_codecs,call->params.audio_bw); pt=payload_type_clone(rtp_profile_get_payload_from_mime(&av_profile,"telephone-event")); l=ms_list_append(l,pt); md->streams[0].payloads=l; if (call->params.has_video){ md->nstreams++; md->streams[1].port=call->video_port; md->streams[1].proto=SalProtoRtpAvp; md->streams[1].type=SalVideo; l=make_codec_list(lc,lc->codecs_conf.video_codecs,0); md->streams[1].payloads=l; } linphone_address_destroy(addr); return md; } static int find_port_offset(LinphoneCore *lc){ int offset; MSList *elem; int audio_port; bool_t already_used=FALSE; for(offset=0;offset<100;offset+=2){ audio_port=linphone_core_get_audio_port (lc)+offset; already_used=FALSE; for(elem=lc->calls;elem!=NULL;elem=elem->next){ LinphoneCall *call=(LinphoneCall*)elem->data; if (call->audio_port==audio_port) { already_used=TRUE; break; } } if (!already_used) break; } if (offset==100){ ms_error("Could not find any free port !"); return -1; } return offset; } static void linphone_call_init_common(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){ int port_offset; call->refcnt=1; call->state=LinphoneCallIdle; call->start_time=time(NULL); call->media_start_time=0; call->log=linphone_call_log_new(call, from, to); linphone_core_notify_all_friends(call->core,LinphoneStatusOnThePhone); port_offset=find_port_offset (call->core); if (port_offset==-1) return; call->audio_port=linphone_core_get_audio_port(call->core)+port_offset; call->video_port=linphone_core_get_video_port(call->core)+port_offset; } static void discover_mtu(LinphoneCore *lc, const char *remote){ int mtu; if (lc->net_conf.mtu==0 ){ /*attempt to discover mtu*/ mtu=ms_discover_mtu(remote); if (mtu>0){ ms_set_mtu(mtu); ms_message("Discovered mtu is %i, RTP payload max size is %i", mtu, ms_get_payload_max_size()); } } } LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params) { LinphoneCall *call=ms_new0(LinphoneCall,1); call->dir=LinphoneCallOutgoing; call->op=sal_op_new(lc->sal); sal_op_set_user_pointer(call->op,call); call->core=lc; linphone_core_get_local_ip(lc,linphone_address_get_domain(to),call->localip); linphone_call_init_common(call,from,to); call->params=*params; call->localdesc=create_local_media_description (lc,call); call->camera_active=params->has_video; if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun) linphone_core_run_stun_tests(call->core,call); discover_mtu(lc,linphone_address_get_domain (to)); if (params->referer){ sal_call_set_referer (call->op,params->referer->op); } return call; } LinphoneCall * linphone_call_new_incoming(LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op){ LinphoneCall *call=ms_new0(LinphoneCall,1); char *to_str; char *from_str; call->dir=LinphoneCallIncoming; sal_op_set_user_pointer(op,call); call->op=op; call->core=lc; if (lc->sip_conf.ping_with_options){ /*the following sends an option request back to the caller so that we get a chance to discover our nat'd address before answering.*/ call->ping_op=sal_op_new(lc->sal); to_str=linphone_address_as_string(to); from_str=linphone_address_as_string(from); sal_op_set_route(call->ping_op,sal_op_get_network_origin(call->op)); sal_op_set_user_pointer(call->ping_op,call); sal_ping(call->ping_op,to_str,from_str); ms_free(to_str); ms_free(from_str); } linphone_address_clean(from); linphone_core_get_local_ip(lc,linphone_address_get_domain(from),call->localip); linphone_call_init_common(call, from, to); call->params.has_video=linphone_core_video_enabled(lc); call->localdesc=create_local_media_description (lc,call); call->camera_active=call->params.has_video; if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun) linphone_core_run_stun_tests(call->core,call); discover_mtu(lc,linphone_address_get_domain(from)); return call; } /* this function is called internally to get rid of a call. It performs the following tasks: - remove the call from the internal list of calls - unref the LinphoneCall object - update the call logs accordingly */ static void linphone_call_set_terminated(LinphoneCall *call){ LinphoneCallStatus status=LinphoneCallAborted; LinphoneCore *lc=call->core; linphone_core_update_allocated_audio_bandwidth(lc); if (call->state==LinphoneCallEnd){ if (call->reason==LinphoneReasonDeclined){ status=LinphoneCallDeclined; } else status=LinphoneCallSuccess; } linphone_call_log_completed(call->log,call, status); if (call == lc->current_call){ ms_message("Resetting the current call"); lc->current_call=NULL; } if (linphone_core_del_call(lc,call) != 0){ ms_error("Could not remove the call from the list !!!"); } if (ms_list_size(lc->calls)==0) linphone_core_notify_all_friends(lc,lc->presence_mode); if (call->op!=NULL) { /* so that we cannot have anymore upcalls for SAL concerning this call*/ sal_op_release(call->op); call->op=NULL; } linphone_call_unref(call); } const char *linphone_call_state_to_string(LinphoneCallState cs){ switch (cs){ case LinphoneCallIdle: return "LinphoneCallIdle"; case LinphoneCallIncomingReceived: return "LinphoneCallIncomingReceived"; case LinphoneCallOutgoingInit: return "LinphoneCallOutgoingInit"; case LinphoneCallOutgoingProgress: return "LinphoneCallOutgoingProgress"; case LinphoneCallOutgoingRinging: return "LinphoneCallOutgoingRinging"; case LinphoneCallOutgoingEarlyMedia: return "LinphoneCallOutgoingEarlyMedia"; case LinphoneCallConnected: return "LinphoneCallConnected"; case LinphoneCallStreamsRunning: return "LinphoneCallStreamsRunning"; case LinphoneCallPausing: return "LinphoneCallPausing"; case LinphoneCallPaused: return "LinphoneCallPaused"; case LinphoneCallResuming: return "LinphoneCallResuming"; case LinphoneCallRefered: return "LinphoneCallRefered"; case LinphoneCallError: return "LinphoneCallError"; case LinphoneCallEnd: return "LinphoneCallEnd"; case LinphoneCallPausedByRemote: return "LinphoneCallPausedByRemote"; case LinphoneCallUpdatedByRemote: return "LinphoneCallUpdatedByRemote"; case LinphoneCallIncomingEarlyMedia: return "LinphoneCallIncomingEarlyMedia"; case LinphoneCallUpdated: return "LinphoneCallUpdated"; } return "undefined state"; } void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message){ LinphoneCore *lc=call->core; bool_t finalize_call=FALSE; if (call->state!=cstate){ ms_message("Call %p: moving from state %s to %s",call,linphone_call_state_to_string(call->state), linphone_call_state_to_string(cstate)); if (cstate!=LinphoneCallRefered){ /*LinphoneCallRefered is rather an event, not a state. Indeed it does not change the state of the call (still paused or running)*/ call->state=cstate; } if (cstate==LinphoneCallEnd || cstate==LinphoneCallError){ finalize_call=TRUE; linphone_call_ref(call); linphone_call_set_terminated (call); } if (lc->vtable.call_state_changed) lc->vtable.call_state_changed(lc,call,cstate,message); if (finalize_call) linphone_call_unref(call); } } static void linphone_call_destroy(LinphoneCall *obj) { if (obj->op!=NULL) { sal_op_release(obj->op); obj->op=NULL; } if (obj->resultdesc!=NULL) { sal_media_description_unref(obj->resultdesc); obj->resultdesc=NULL; } if (obj->localdesc!=NULL) { sal_media_description_unref(obj->localdesc); obj->localdesc=NULL; } if (obj->ping_op) { sal_op_release(obj->ping_op); } if (obj->refer_to){ ms_free(obj->refer_to); } ms_free(obj); } /** * @addtogroup call_control * @{ **/ /** * Increments the call 's reference count. * An application that wishes to retain a pointer to call object * must use this function to unsure the pointer remains * valid. Once the application no more needs this pointer, * it must call linphone_call_unref(). **/ void linphone_call_ref(LinphoneCall *obj){ obj->refcnt++; } /** * Decrements the call object reference count. * See linphone_call_ref(). **/ void linphone_call_unref(LinphoneCall *obj){ obj->refcnt--; if (obj->refcnt==0){ linphone_call_destroy(obj); } } /** * Returns current parameters associated to the call. **/ const LinphoneCallParams * linphone_call_get_current_params(const LinphoneCall *call){ return &call->current_params; } /** * Returns the remote address associated to this call * **/ const LinphoneAddress * linphone_call_get_remote_address(const LinphoneCall *call){ return call->dir==LinphoneCallIncoming ? call->log->from : call->log->to; } /** * Returns the remote address associated to this call as a string. * * The result string must be freed by user using ms_free(). **/ char *linphone_call_get_remote_address_as_string(const LinphoneCall *call){ return linphone_address_as_string(linphone_call_get_remote_address(call)); } /** * Retrieves the call's current state. **/ LinphoneCallState linphone_call_get_state(const LinphoneCall *call){ return call->state; } /** * Returns the reason for a call termination (either error or normal termination) **/ LinphoneReason linphone_call_get_reason(const LinphoneCall *call){ return call->reason; } /** * Get the user_pointer in the LinphoneCall * * @ingroup call_control * * return user_pointer an opaque user pointer that can be retrieved at any time **/ void *linphone_call_get_user_pointer(LinphoneCall *call) { return call->user_pointer; } /** * Set the user_pointer in the LinphoneCall * * @ingroup call_control * * the user_pointer is an opaque user pointer that can be retrieved at any time in the LinphoneCall **/ void linphone_call_set_user_pointer(LinphoneCall *call, void *user_pointer) { call->user_pointer = user_pointer; } /** * Returns the call log associated to this call. **/ LinphoneCallLog *linphone_call_get_call_log(const LinphoneCall *call){ return call->log; } /** * Returns the refer-to uri (if the call was transfered). **/ const char *linphone_call_get_refer_to(const LinphoneCall *call){ return call->refer_to; } /** * Returns direction of the call (incoming or outgoing). **/ LinphoneCallDir linphone_call_get_dir(const LinphoneCall *call){ return call->log->dir; } /** * Returns the far end's user agent description string, if available. **/ const char *linphone_call_get_remote_user_agent(LinphoneCall *call){ if (call->op){ return sal_op_get_remote_ua (call->op); } return NULL; } /** * Returns true if this calls has received a transfer that has not been * executed yet. * Pending transfers are executed when this call is being paused or closed, * locally or by remote endpoint. * If the call is already paused while receiving the transfer request, the * transfer immediately occurs. **/ bool_t linphone_call_has_transfer_pending(const LinphoneCall *call){ return call->refer_pending; } /** * Returns call's duration in seconds. **/ int linphone_call_get_duration(const LinphoneCall *call){ if (call->media_start_time==0) return 0; return time(NULL)-call->media_start_time; } /** * Indicate whether camera input should be sent to remote end. **/ void linphone_call_enable_camera (LinphoneCall *call, bool_t enable){ #ifdef VIDEO_ENABLED if (call->videostream!=NULL && call->videostream->ticker!=NULL){ LinphoneCore *lc=call->core; MSWebCam *nowebcam=get_nowebcam_device(); if (call->camera_active!=enable && lc->video_conf.device!=nowebcam){ video_stream_change_camera(call->videostream, enable ? lc->video_conf.device : nowebcam); } } call->camera_active=enable; #endif } /** * Take a photo of currently received video and write it into a jpeg file. **/ int linphone_call_take_video_snapshot(LinphoneCall *call, const char *file){ #ifdef VIDEO_ENABLED if (call->videostream!=NULL && call->videostream->jpegwriter!=NULL){ return ms_filter_call_method(call->videostream->jpegwriter,MS_JPEG_WRITER_TAKE_SNAPSHOT,(void*)file); } ms_warning("Cannot take snapshot: no currently running video stream on this call."); return -1; #endif return -1; } /** * **/ bool_t linphone_call_camera_enabled (const LinphoneCall *call){ return call->camera_active; } /** * **/ void linphone_call_params_enable_video(LinphoneCallParams *cp, bool_t enabled){ cp->has_video=enabled; } /** * **/ bool_t linphone_call_params_video_enabled(const LinphoneCallParams *cp){ return cp->has_video; } /** * Enable sending of real early media (during outgoing calls). **/ void linphone_call_params_enable_early_media_sending(LinphoneCallParams *cp, bool_t enabled){ cp->real_early_media=enabled; } bool_t linphone_call_params_early_media_sending_enabled(const LinphoneCallParams *cp){ return cp->real_early_media; } /** * Refine bandwidth settings for this call by setting a bandwidth limit for audio streams. * As a consequence, codecs whose bitrates are not compatible with this limit won't be used. **/ void linphone_call_params_set_audio_bandwidth_limit(LinphoneCallParams *cp, int bandwidth){ cp->audio_bw=bandwidth; } /** * **/ LinphoneCallParams * linphone_call_params_copy(const LinphoneCallParams *cp){ LinphoneCallParams *ncp=ms_new0(LinphoneCallParams,1); memcpy(ncp,cp,sizeof(LinphoneCallParams)); return ncp; } /** * **/ void linphone_call_params_destroy(LinphoneCallParams *p){ ms_free(p); } /** * @} **/ #ifdef TEST_EXT_RENDERER static void rendercb(void *data, const MSPicture *local, const MSPicture *remote){ ms_message("rendercb, local buffer=%p, remote buffer=%p", local ? local->planes[0] : NULL, remote? remote->planes[0] : NULL); } #endif 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; 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); } 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); #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); #ifdef TEST_EXT_RENDERER video_stream_set_render_callback(call->videostream,rendercb,NULL); #endif } #else call->videostream=NULL; #endif } static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'}; static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){ LinphoneCore* lc = (LinphoneCore*)user_data; if (dtmf<0 || dtmf>15){ ms_warning("Bad dtmf value %i",dtmf); return; } if (lc->vtable.dtmf_received != NULL) lc->vtable.dtmf_received(lc, linphone_core_get_current_call(lc), dtmf_tab[dtmf]); } static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){ if (st->equalizer){ MSFilter *f=st->equalizer; int enabled=lp_config_get_int(lc->config,"sound","eq_active",0); const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL); ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled); if (enabled){ if (gains){ do{ int bytes; MSEqualizerGain g; if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){ ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain); ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g); gains+=bytes; }else break; }while(1); } } } } static void post_configure_audio_streams(LinphoneCall*call){ AudioStream *st=call->audiostream; LinphoneCore *lc=call->core; float mic_gain=lp_config_get_float(lc->config,"sound","mic_gain",1); float thres = 0; float recv_gain; float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05); float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0); int dc_removal=lp_config_get_int(lc->config,"sound","dc_removal",0); if (!call->audio_muted) audio_stream_set_mic_gain(st,mic_gain); else audio_stream_set_mic_gain(st,0); recv_gain = lc->sound_conf.soft_play_lev; if (recv_gain != 0) { linphone_core_set_playback_gain_db (lc,recv_gain); } if (st->volsend){ ms_filter_call_method(st->volsend,MS_VOLUME_REMOVE_DC,&dc_removal); } if (linphone_core_echo_limiter_enabled(lc)){ float speed=lp_config_get_float(lc->config,"sound","el_speed",-1); thres=lp_config_get_float(lc->config,"sound","el_thres",-1); float force=lp_config_get_float(lc->config,"sound","el_force",-1); int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1); MSFilter *f=NULL; if (st->el_type!=ELInactive){ f=st->volsend; if (speed==-1) speed=0.03; if (force==-1) force=25; ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed); ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force); if (thres!=-1) ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres); if (sustain!=-1) ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain); } } if (st->volsend){ ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres); ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain); } if (st->volrecv){ /* parameters for a limited noise-gate effect, using echo limiter threshold */ float floorgain = 1/mic_gain; ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&thres); ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&floorgain); } parametrize_equalizer(lc,st); if (lc->vtable.dtmf_received!=NULL){ /* replace by our default action*/ audio_stream_play_received_dtmfs(call->audiostream,FALSE); rtp_session_signal_connect(call->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc); } } static RtpProfile *make_profile(LinphoneCall *call, const SalMediaDescription *md, const SalStreamDescription *desc, int *used_pt){ int bw; const MSList *elem; RtpProfile *prof=rtp_profile_new("Call profile"); bool_t first=TRUE; int remote_bw=0; LinphoneCore *lc=call->core; *used_pt=-1; for(elem=desc->payloads;elem!=NULL;elem=elem->next){ PayloadType *pt=(PayloadType*)elem->data; int number; if (first) { if (desc->type==SalAudio){ linphone_core_update_allocated_audio_bandwidth_in_call(call,pt); } *used_pt=payload_type_get_number(pt); first=FALSE; } if (desc->bandwidth>0) remote_bw=desc->bandwidth; else if (md->bandwidth>0) { /*case where b=AS is given globally, not per stream*/ remote_bw=md->bandwidth; if (desc->type==SalVideo){ remote_bw=get_video_bandwidth(remote_bw,call->audio_bw); } } if (desc->type==SalAudio){ bw=get_min_bandwidth(call->audio_bw,remote_bw); }else bw=get_min_bandwidth(get_video_bandwidth(linphone_core_get_upload_bandwidth (lc),call->audio_bw),remote_bw); if (bw>0) pt->normal_bitrate=bw*1000; else if (desc->type==SalAudio){ pt->normal_bitrate=-1; } if (desc->ptime>0){ char tmp[40]; snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime); payload_type_append_send_fmtp(pt,tmp); } number=payload_type_get_number(pt); if (rtp_profile_get_payload(prof,number)!=NULL){ ms_warning("A payload type with number %i already exists in profile !",number); }else rtp_profile_set_payload(prof,number,pt); } return prof; } static void setup_ring_player(LinphoneCore *lc, LinphoneCall *call){ int pause_time=3000; audio_stream_play(call->audiostream,lc->sound_conf.ringback_tone); ms_filter_call_method(call->audiostream->soundread,MS_FILE_PLAYER_LOOP,&pause_time); } 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 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){ 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; 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; 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) && defined(ANDROID) /*On android we have to disable the echo canceller to preserve CPU for video codecs */ if (vstream && vstream->dir!=SalStreamInactive && vstream->payloads!=NULL) use_ec=FALSE; #endif 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 (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) { 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); goto end; end: ms_free(cname); linphone_address_destroy(me); } static void linphone_call_log_fill_stats(LinphoneCallLog *log, AudioStream *st){ audio_stream_get_local_rtp_stats (st,&log->local_stats); } void linphone_call_stop_media_streams(LinphoneCall *call){ if (call->audiostream!=NULL) { linphone_call_log_fill_stats (call->log,call->audiostream); audio_stream_stop(call->audiostream); call->audiostream=NULL; } #ifdef VIDEO_ENABLED if (call->videostream!=NULL){ video_stream_stop(call->videostream); call->videostream=NULL; } #endif if (call->audio_profile){ rtp_profile_clear_all(call->audio_profile); rtp_profile_destroy(call->audio_profile); call->audio_profile=NULL; } if (call->video_profile){ rtp_profile_clear_all(call->video_profile); rtp_profile_destroy(call->video_profile); call->video_profile=NULL; } }