4 Copyright (C) 2010 Belledonne Communications SARL
5 (simon.morlat@linphone.org)
7 This program is free software; you can redistribute it and/or
8 modify it under the terms of the GNU General Public License
9 as published by the Free Software Foundation; either version 2
10 of the License, or (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #include "linphonecore.h"
30 #include "mediastreamer2/mediastream.h"
31 #include "mediastreamer2/msvolume.h"
32 #include "mediastreamer2/msequalizer.h"
33 #include "mediastreamer2/msfileplayer.h"
34 #include "mediastreamer2/msjpegwriter.h"
35 #include "mediastreamer2/mseventqueue.h"
38 static MSWebCam *get_nowebcam_device(){
39 return ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),"StaticImage: Static picture");
44 static MSList *make_codec_list(LinphoneCore *lc, const MSList *codecs, int bandwidth_limit){
47 for(it=codecs;it!=NULL;it=it->next){
48 PayloadType *pt=(PayloadType*)it->data;
49 if (pt->flags & PAYLOAD_TYPE_ENABLED){
50 if (bandwidth_limit>0 && !linphone_core_is_payload_type_usable_for_bandwidth(lc,pt,bandwidth_limit)){
51 ms_message("Codec %s/%i eliminated because of audio bandwidth constraint.",pt->mime_type,pt->clock_rate);
54 if (linphone_core_check_payload_type_usability(lc,pt)){
55 l=ms_list_append(l,payload_type_clone(pt));
62 static SalMediaDescription *_create_local_media_description(LinphoneCore *lc, LinphoneCall *call, unsigned int session_id, unsigned int session_ver){
65 const char *me=linphone_core_get_identity(lc);
66 LinphoneAddress *addr=linphone_address_new(me);
67 const char *username=linphone_address_get_username (addr);
68 SalMediaDescription *md=sal_media_description_new();
70 md->session_id=session_id;
71 md->session_ver=session_ver;
73 strncpy(md->addr,call->localip,sizeof(md->addr));
74 strncpy(md->username,username,sizeof(md->username));
75 md->bandwidth=linphone_core_get_download_bandwidth(lc);
77 /*set audio capabilities */
78 strncpy(md->streams[0].addr,call->localip,sizeof(md->streams[0].addr));
79 md->streams[0].port=call->audio_port;
80 md->streams[0].proto=SalProtoRtpAvp;
81 md->streams[0].type=SalAudio;
82 md->streams[0].ptime=lc->net_conf.down_ptime;
83 l=make_codec_list(lc,lc->codecs_conf.audio_codecs,call->params.audio_bw);
84 pt=payload_type_clone(rtp_profile_get_payload_from_mime(&av_profile,"telephone-event"));
85 l=ms_list_append(l,pt);
86 md->streams[0].payloads=l;
89 if (call->params.has_video){
91 md->streams[1].port=call->video_port;
92 md->streams[1].proto=SalProtoRtpAvp;
93 md->streams[1].type=SalVideo;
94 l=make_codec_list(lc,lc->codecs_conf.video_codecs,0);
95 md->streams[1].payloads=l;
97 linphone_address_destroy(addr);
101 void update_local_media_description(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription **md){
103 *md = _create_local_media_description(lc,call,0,0);
105 unsigned int id = (*md)->session_id;
106 unsigned int ver = (*md)->session_ver+1;
107 sal_media_description_unref(*md);
108 *md = _create_local_media_description(lc,call,id,ver);
112 SalMediaDescription *create_local_media_description(LinphoneCore *lc, LinphoneCall *call){
113 unsigned int id=rand() & 0xfff;
114 return _create_local_media_description(lc,call,id,id);
117 static int find_port_offset(LinphoneCore *lc){
121 bool_t already_used=FALSE;
122 for(offset=0;offset<100;offset+=2){
123 audio_port=linphone_core_get_audio_port (lc)+offset;
125 for(elem=lc->calls;elem!=NULL;elem=elem->next){
126 LinphoneCall *call=(LinphoneCall*)elem->data;
127 if (call->audio_port==audio_port) {
132 if (!already_used) break;
135 ms_error("Could not find any free port !");
141 static void linphone_call_init_common(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
144 call->state=LinphoneCallIdle;
145 call->start_time=time(NULL);
146 call->media_start_time=0;
147 call->log=linphone_call_log_new(call, from, to);
148 call->owns_call_log=TRUE;
149 linphone_core_notify_all_friends(call->core,LinphoneStatusOnThePhone);
150 port_offset=find_port_offset (call->core);
151 if (port_offset==-1) return;
152 call->audio_port=linphone_core_get_audio_port(call->core)+port_offset;
153 call->video_port=linphone_core_get_video_port(call->core)+port_offset;
157 static void discover_mtu(LinphoneCore *lc, const char *remote){
159 if (lc->net_conf.mtu==0 ){
160 /*attempt to discover mtu*/
161 mtu=ms_discover_mtu(remote);
164 ms_message("Discovered mtu is %i, RTP payload max size is %i",
165 mtu, ms_get_payload_max_size());
170 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params)
172 LinphoneCall *call=ms_new0(LinphoneCall,1);
173 call->dir=LinphoneCallOutgoing;
174 call->op=sal_op_new(lc->sal);
175 sal_op_set_user_pointer(call->op,call);
177 linphone_core_get_local_ip(lc,linphone_address_get_domain(to),call->localip);
178 linphone_call_init_common(call,from,to);
179 call->params=*params;
180 call->localdesc=create_local_media_description (lc,call);
181 call->camera_active=params->has_video;
182 if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
183 linphone_core_run_stun_tests(call->core,call);
184 discover_mtu(lc,linphone_address_get_domain (to));
185 if (params->referer){
186 sal_call_set_referer (call->op,params->referer->op);
191 LinphoneCall * linphone_call_new_incoming(LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op){
192 LinphoneCall *call=ms_new0(LinphoneCall,1);
195 call->dir=LinphoneCallIncoming;
196 sal_op_set_user_pointer(op,call);
200 if (lc->sip_conf.ping_with_options){
201 /*the following sends an option request back to the caller so that
202 we get a chance to discover our nat'd address before answering.*/
203 call->ping_op=sal_op_new(lc->sal);
204 from_str=linphone_address_as_string(from);
205 sal_op_set_route(call->ping_op,sal_op_get_network_origin(call->op));
206 sal_op_set_user_pointer(call->ping_op,call);
207 sal_ping(call->ping_op,linphone_core_find_best_identity(lc,from,NULL),from_str);
211 linphone_address_clean(from);
212 linphone_core_get_local_ip(lc,linphone_address_get_domain(from),call->localip);
213 linphone_call_init_common(call, from, to);
214 call->params.has_video=linphone_core_video_enabled(lc);
215 call->localdesc=create_local_media_description (lc,call);
216 call->camera_active=call->params.has_video;
217 if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
218 linphone_core_run_stun_tests(call->core,call);
219 discover_mtu(lc,linphone_address_get_domain(from));
223 /* this function is called internally to get rid of a call.
224 It performs the following tasks:
225 - remove the call from the internal list of calls
226 - unref the LinphoneCall object
227 - update the call logs accordingly
230 static void linphone_call_set_terminated(LinphoneCall *call){
231 LinphoneCore *lc=call->core;
233 linphone_core_update_allocated_audio_bandwidth(lc);
235 call->owns_call_log=FALSE;
236 linphone_call_log_completed(call);
239 if (call == lc->current_call){
240 ms_message("Resetting the current call");
241 lc->current_call=NULL;
244 if (linphone_core_del_call(lc,call) != 0){
245 ms_error("Could not remove the call from the list !!!");
248 if (ms_list_size(lc->calls)==0)
249 linphone_core_notify_all_friends(lc,lc->presence_mode);
253 const char *linphone_call_state_to_string(LinphoneCallState cs){
255 case LinphoneCallIdle:
256 return "LinphoneCallIdle";
257 case LinphoneCallIncomingReceived:
258 return "LinphoneCallIncomingReceived";
259 case LinphoneCallOutgoingInit:
260 return "LinphoneCallOutgoingInit";
261 case LinphoneCallOutgoingProgress:
262 return "LinphoneCallOutgoingProgress";
263 case LinphoneCallOutgoingRinging:
264 return "LinphoneCallOutgoingRinging";
265 case LinphoneCallOutgoingEarlyMedia:
266 return "LinphoneCallOutgoingEarlyMedia";
267 case LinphoneCallConnected:
268 return "LinphoneCallConnected";
269 case LinphoneCallStreamsRunning:
270 return "LinphoneCallStreamsRunning";
271 case LinphoneCallPausing:
272 return "LinphoneCallPausing";
273 case LinphoneCallPaused:
274 return "LinphoneCallPaused";
275 case LinphoneCallResuming:
276 return "LinphoneCallResuming";
277 case LinphoneCallRefered:
278 return "LinphoneCallRefered";
279 case LinphoneCallError:
280 return "LinphoneCallError";
281 case LinphoneCallEnd:
282 return "LinphoneCallEnd";
283 case LinphoneCallPausedByRemote:
284 return "LinphoneCallPausedByRemote";
285 case LinphoneCallUpdatedByRemote:
286 return "LinphoneCallUpdatedByRemote";
287 case LinphoneCallIncomingEarlyMedia:
288 return "LinphoneCallIncomingEarlyMedia";
289 case LinphoneCallUpdated:
290 return "LinphoneCallUpdated";
291 case LinphoneCallReleased:
292 return "LinphoneCallReleased";
294 return "undefined state";
297 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message){
298 LinphoneCore *lc=call->core;
300 if (call->state!=cstate){
301 if (call->state==LinphoneCallEnd || call->state==LinphoneCallError){
302 if (cstate!=LinphoneCallReleased){
303 ms_warning("Spurious call state change from %s to %s, ignored.",linphone_call_state_to_string(call->state),
304 linphone_call_state_to_string(cstate));
308 ms_message("Call %p: moving from state %s to %s",call,linphone_call_state_to_string(call->state),
309 linphone_call_state_to_string(cstate));
310 if (cstate!=LinphoneCallRefered){
311 /*LinphoneCallRefered is rather an event, not a state.
312 Indeed it does not change the state of the call (still paused or running)*/
315 if (cstate==LinphoneCallEnd || cstate==LinphoneCallError){
316 if (call->reason==LinphoneReasonDeclined){
317 call->log->status=LinphoneCallDeclined;
319 linphone_call_set_terminated (call);
321 if (cstate == LinphoneCallConnected) {
322 call->log->status=LinphoneCallSuccess;
325 if (lc->vtable.call_state_changed)
326 lc->vtable.call_state_changed(lc,call,cstate,message);
327 if (cstate==LinphoneCallReleased){
328 if (call->op!=NULL) {
329 /* so that we cannot have anymore upcalls for SAL
330 concerning this call*/
331 sal_op_release(call->op);
334 linphone_call_unref(call);
339 static void linphone_call_destroy(LinphoneCall *obj)
342 sal_op_release(obj->op);
345 if (obj->resultdesc!=NULL) {
346 sal_media_description_unref(obj->resultdesc);
347 obj->resultdesc=NULL;
349 if (obj->localdesc!=NULL) {
350 sal_media_description_unref(obj->localdesc);
354 sal_op_release(obj->ping_op);
357 ms_free(obj->refer_to);
359 if (obj->owns_call_log)
360 linphone_call_log_destroy(obj->log);
365 * @addtogroup call_control
370 * Increments the call 's reference count.
371 * An application that wishes to retain a pointer to call object
372 * must use this function to unsure the pointer remains
373 * valid. Once the application no more needs this pointer,
374 * it must call linphone_call_unref().
376 void linphone_call_ref(LinphoneCall *obj){
381 * Decrements the call object reference count.
382 * See linphone_call_ref().
384 void linphone_call_unref(LinphoneCall *obj){
387 linphone_call_destroy(obj);
392 * Returns current parameters associated to the call.
394 const LinphoneCallParams * linphone_call_get_current_params(const LinphoneCall *call){
395 return &call->current_params;
399 * Returns the remote address associated to this call
402 const LinphoneAddress * linphone_call_get_remote_address(const LinphoneCall *call){
403 return call->dir==LinphoneCallIncoming ? call->log->from : call->log->to;
407 * Returns the remote address associated to this call as a string.
409 * The result string must be freed by user using ms_free().
411 char *linphone_call_get_remote_address_as_string(const LinphoneCall *call){
412 return linphone_address_as_string(linphone_call_get_remote_address(call));
416 * Retrieves the call's current state.
418 LinphoneCallState linphone_call_get_state(const LinphoneCall *call){
423 * Returns the reason for a call termination (either error or normal termination)
425 LinphoneReason linphone_call_get_reason(const LinphoneCall *call){
430 * Get the user_pointer in the LinphoneCall
432 * @ingroup call_control
434 * return user_pointer an opaque user pointer that can be retrieved at any time
436 void *linphone_call_get_user_pointer(LinphoneCall *call)
438 return call->user_pointer;
442 * Set the user_pointer in the LinphoneCall
444 * @ingroup call_control
446 * the user_pointer is an opaque user pointer that can be retrieved at any time in the LinphoneCall
448 void linphone_call_set_user_pointer(LinphoneCall *call, void *user_pointer)
450 call->user_pointer = user_pointer;
454 * Returns the call log associated to this call.
456 LinphoneCallLog *linphone_call_get_call_log(const LinphoneCall *call){
461 * Returns the refer-to uri (if the call was transfered).
463 const char *linphone_call_get_refer_to(const LinphoneCall *call){
464 return call->refer_to;
468 * Returns direction of the call (incoming or outgoing).
470 LinphoneCallDir linphone_call_get_dir(const LinphoneCall *call){
471 return call->log->dir;
475 * Returns the far end's user agent description string, if available.
477 const char *linphone_call_get_remote_user_agent(LinphoneCall *call){
479 return sal_op_get_remote_ua (call->op);
485 * Returns true if this calls has received a transfer that has not been
487 * Pending transfers are executed when this call is being paused or closed,
488 * locally or by remote endpoint.
489 * If the call is already paused while receiving the transfer request, the
490 * transfer immediately occurs.
492 bool_t linphone_call_has_transfer_pending(const LinphoneCall *call){
493 return call->refer_pending;
497 * Returns call's duration in seconds.
499 int linphone_call_get_duration(const LinphoneCall *call){
500 if (call->media_start_time==0) return 0;
501 return time(NULL)-call->media_start_time;
505 * Returns the call object this call is replacing, if any.
506 * Call replacement can occur during call transfers.
507 * By default, the core automatically terminates the replaced call and accept the new one.
508 * This function allows the application to know whether a new incoming call is a one that replaces another one.
510 LinphoneCall *linphone_call_get_replaced_call(LinphoneCall *call){
511 SalOp *op=sal_call_get_replaces(call->op);
513 return (LinphoneCall*)sal_op_get_user_pointer(op);
519 * Indicate whether camera input should be sent to remote end.
521 void linphone_call_enable_camera (LinphoneCall *call, bool_t enable){
523 if (call->videostream!=NULL && call->videostream->ticker!=NULL){
524 LinphoneCore *lc=call->core;
525 MSWebCam *nowebcam=get_nowebcam_device();
526 if (call->camera_active!=enable && lc->video_conf.device!=nowebcam){
527 video_stream_change_camera(call->videostream,
528 enable ? lc->video_conf.device : nowebcam);
531 call->camera_active=enable;
536 * Take a photo of currently received video and write it into a jpeg file.
538 int linphone_call_take_video_snapshot(LinphoneCall *call, const char *file){
540 if (call->videostream!=NULL && call->videostream->jpegwriter!=NULL){
541 return ms_filter_call_method(call->videostream->jpegwriter,MS_JPEG_WRITER_TAKE_SNAPSHOT,(void*)file);
543 ms_warning("Cannot take snapshot: no currently running video stream on this call.");
550 * Returns TRUE if camera pictures are sent to the remote party.
552 bool_t linphone_call_camera_enabled (const LinphoneCall *call){
553 return call->camera_active;
557 * Enable video stream.
559 void linphone_call_params_enable_video(LinphoneCallParams *cp, bool_t enabled){
560 cp->has_video=enabled;
564 * Returns whether video is enabled.
566 bool_t linphone_call_params_video_enabled(const LinphoneCallParams *cp){
567 return cp->has_video;
571 * Enable sending of real early media (during outgoing calls).
573 void linphone_call_params_enable_early_media_sending(LinphoneCallParams *cp, bool_t enabled){
574 cp->real_early_media=enabled;
577 bool_t linphone_call_params_early_media_sending_enabled(const LinphoneCallParams *cp){
578 return cp->real_early_media;
582 * Refine bandwidth settings for this call by setting a bandwidth limit for audio streams.
583 * As a consequence, codecs whose bitrates are not compatible with this limit won't be used.
585 void linphone_call_params_set_audio_bandwidth_limit(LinphoneCallParams *cp, int bandwidth){
586 cp->audio_bw=bandwidth;
592 LinphoneCallParams * linphone_call_params_copy(const LinphoneCallParams *cp){
593 LinphoneCallParams *ncp=ms_new0(LinphoneCallParams,1);
594 memcpy(ncp,cp,sizeof(LinphoneCallParams));
601 void linphone_call_params_destroy(LinphoneCallParams *p){
610 #ifdef TEST_EXT_RENDERER
611 static void rendercb(void *data, const MSPicture *local, const MSPicture *remote){
612 ms_message("rendercb, local buffer=%p, remote buffer=%p",
613 local ? local->planes[0] : NULL, remote? remote->planes[0] : NULL);
618 static void video_stream_event_cb(void *user_pointer, const MSFilter *f, const unsigned int event_id, const void *args){
619 ms_warning("In linphonecall.c: video_stream_event_cb");
621 case MS_VIDEO_DECODER_DECODING_ERRORS:
622 ms_warning("Case is MS_VIDEO_DECODER_DECODING_ERRORS");
623 linphone_call_send_vfu_request((LinphoneCall*) user_pointer);
626 ms_warning("Unhandled event %i", event_id);
632 void linphone_call_init_media_streams(LinphoneCall *call){
633 LinphoneCore *lc=call->core;
634 SalMediaDescription *md=call->localdesc;
635 AudioStream *audiostream;
637 call->audiostream=audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc));
638 if (linphone_core_echo_limiter_enabled(lc)){
639 const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
640 if (strcasecmp(type,"mic")==0)
641 audio_stream_enable_echo_limiter(audiostream,ELControlMic);
642 else if (strcasecmp(type,"full")==0)
643 audio_stream_enable_echo_limiter(audiostream,ELControlFull);
645 audio_stream_enable_gain_control(audiostream,TRUE);
646 if (linphone_core_echo_cancellation_enabled(lc)){
647 int len,delay,framesize;
648 const char *statestr=lp_config_get_string(lc->config,"sound","ec_state",NULL);
649 len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
650 delay=lp_config_get_int(lc->config,"sound","ec_delay",0);
651 framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0);
652 audio_stream_set_echo_canceller_params(audiostream,len,delay,framesize);
653 if (statestr && audiostream->ec){
654 ms_filter_call_method(audiostream->ec,MS_ECHO_CANCELLER_SET_STATE_STRING,(void*)statestr);
657 audio_stream_enable_automatic_gain_control(audiostream,linphone_core_agc_enabled(lc));
659 int enabled=lp_config_get_int(lc->config,"sound","noisegate",0);
660 audio_stream_enable_noise_gate(audiostream,enabled);
663 rtp_session_set_transports(audiostream->session,lc->a_rtp,lc->a_rtcp);
667 if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0){
668 call->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc));
669 if( lc->video_conf.displaytype != NULL)
670 video_stream_set_display_filter_name(call->videostream,lc->video_conf.displaytype);
671 video_stream_set_event_callback(call->videostream,video_stream_event_cb, call);
673 rtp_session_set_transports(call->videostream->session,lc->v_rtp,lc->v_rtcp);
674 #ifdef TEST_EXT_RENDERER
675 video_stream_set_render_callback(call->videostream,rendercb,NULL);
679 call->videostream=NULL;
684 static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'};
686 static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){
687 LinphoneCore* lc = (LinphoneCore*)user_data;
688 if (dtmf<0 || dtmf>15){
689 ms_warning("Bad dtmf value %i",dtmf);
692 if (lc->vtable.dtmf_received != NULL)
693 lc->vtable.dtmf_received(lc, linphone_core_get_current_call(lc), dtmf_tab[dtmf]);
696 static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){
698 MSFilter *f=st->equalizer;
699 int enabled=lp_config_get_int(lc->config,"sound","eq_active",0);
700 const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL);
701 ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled);
707 if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){
708 ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain);
709 ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g);
719 static void post_configure_audio_streams(LinphoneCall*call){
720 AudioStream *st=call->audiostream;
721 LinphoneCore *lc=call->core;
722 float mic_gain=lp_config_get_float(lc->config,"sound","mic_gain",1);
725 float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05);
726 float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0);
727 int dc_removal=lp_config_get_int(lc->config,"sound","dc_removal",0);
729 if (!call->audio_muted)
730 audio_stream_set_mic_gain(st,mic_gain);
732 audio_stream_set_mic_gain(st,0);
734 recv_gain = lc->sound_conf.soft_play_lev;
735 if (recv_gain != 0) {
736 linphone_core_set_playback_gain_db (lc,recv_gain);
739 ms_filter_call_method(st->volsend,MS_VOLUME_REMOVE_DC,&dc_removal);
740 float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
741 thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
742 float force=lp_config_get_float(lc->config,"sound","el_force",-1);
743 int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1);
744 float transmit_thres=lp_config_get_float(lc->config,"sound","el_transmit_thres",-1);
747 if (speed==-1) speed=0.03;
748 if (force==-1) force=25;
749 ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed);
750 ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
752 ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
754 ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain);
755 if (transmit_thres!=-1)
756 ms_filter_call_method(f,MS_VOLUME_SET_EA_TRANSMIT_THRESHOLD,&transmit_thres);
758 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres);
759 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain);
762 /* parameters for a limited noise-gate effect, using echo limiter threshold */
763 float floorgain = 1/mic_gain;
764 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&thres);
765 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&floorgain);
767 parametrize_equalizer(lc,st);
768 if (lc->vtable.dtmf_received!=NULL){
769 /* replace by our default action*/
770 audio_stream_play_received_dtmfs(call->audiostream,FALSE);
771 rtp_session_signal_connect(call->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc);
778 static RtpProfile *make_profile(LinphoneCall *call, const SalMediaDescription *md, const SalStreamDescription *desc, int *used_pt){
781 RtpProfile *prof=rtp_profile_new("Call profile");
784 LinphoneCore *lc=call->core;
787 for(elem=desc->payloads;elem!=NULL;elem=elem->next){
788 PayloadType *pt=(PayloadType*)elem->data;
792 if (desc->type==SalAudio){
793 linphone_core_update_allocated_audio_bandwidth_in_call(call,pt);
795 *used_pt=payload_type_get_number(pt);
798 if (desc->bandwidth>0) remote_bw=desc->bandwidth;
799 else if (md->bandwidth>0) {
800 /*case where b=AS is given globally, not per stream*/
801 remote_bw=md->bandwidth;
802 if (desc->type==SalVideo){
803 remote_bw=get_video_bandwidth(remote_bw,call->audio_bw);
807 if (desc->type==SalAudio){
808 bw=get_min_bandwidth(call->audio_bw,remote_bw);
809 }else bw=get_min_bandwidth(get_video_bandwidth(linphone_core_get_upload_bandwidth (lc),call->audio_bw),remote_bw);
810 if (bw>0) pt->normal_bitrate=bw*1000;
811 else if (desc->type==SalAudio){
812 pt->normal_bitrate=-1;
816 snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime);
817 payload_type_append_send_fmtp(pt,tmp);
819 number=payload_type_get_number(pt);
820 if (rtp_profile_get_payload(prof,number)!=NULL){
821 ms_warning("A payload type with number %i already exists in profile !",number);
823 rtp_profile_set_payload(prof,number,pt);
829 static void setup_ring_player(LinphoneCore *lc, LinphoneCall *call){
831 audio_stream_play(call->audiostream,lc->sound_conf.ringback_tone);
832 ms_filter_call_method(call->audiostream->soundread,MS_FILE_PLAYER_LOOP,&pause_time);
836 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone){
837 LinphoneCore *lc=call->core;
838 LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
839 const char *tool="linphone-" LINPHONE_VERSION;
843 const SalStreamDescription *vstream=sal_media_description_find_stream(call->resultdesc,
844 SalProtoRtpAvp,SalVideo);
847 if(call->audiostream == NULL)
849 ms_fatal("start_media_stream() called without prior init !");
852 call->current_params = call->params;
853 /* adjust rtp jitter compensation. It must be at least the latency of the sound card */
854 int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp);
856 if (call->media_start_time==0) call->media_start_time=time(NULL);
858 cname=linphone_address_as_string_uri_only(me);
860 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
861 SalProtoRtpAvp,SalAudio);
862 if (stream && stream->dir!=SalStreamInactive && stream->port!=0){
863 MSSndCard *playcard=lc->sound_conf.lsd_card ?
864 lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
865 MSSndCard *captcard=lc->sound_conf.capt_sndcard;
866 const char *playfile=lc->play_file;
867 const char *recfile=lc->rec_file;
868 call->audio_profile=make_profile(call,call->resultdesc,stream,&used_pt);
872 if (playcard==NULL) {
873 ms_warning("No card defined for playback !");
875 if (captcard==NULL) {
876 ms_warning("No card defined for capture !");
878 /*Replace soundcard filters by inactive file players or recorders
879 when placed in recvonly or sendonly mode*/
880 if (stream->port==0 || stream->dir==SalStreamRecvOnly){
883 }else if (stream->dir==SalStreamSendOnly){
887 /*And we will eventually play "playfile" if set by the user*/
890 if (send_ringbacktone){
892 playfile=NULL;/* it is setup later*/
894 /*if playfile are supplied don't use soundcards*/
899 use_ec=captcard==NULL ? FALSE : linphone_core_echo_cancellation_enabled(lc);
900 #if defined(VIDEO_ENABLED) && defined(ANDROID)
901 /*On android we have to disable the echo canceller to preserve CPU for video codecs */
902 if (vstream && vstream->dir!=SalStreamInactive && vstream->payloads!=NULL)
905 audio_stream_start_full(
908 stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
919 post_configure_audio_streams(call);
920 if (all_inputs_muted && !send_ringbacktone){
921 audio_stream_set_mic_gain(call->audiostream,0);
923 if (stream->dir==SalStreamSendOnly && playfile!=NULL){
925 ms_filter_call_method(call->audiostream->soundread,MS_FILE_PLAYER_LOOP,&pause_time);
927 if (send_ringbacktone){
928 setup_ring_player(lc,call);
930 audio_stream_set_rtcp_information(call->audiostream, cname, tool);
931 }else ms_warning("No audio stream accepted ?");
938 /* shutdown preview */
939 if (lc->previewstream!=NULL) {
940 video_preview_stop(lc->previewstream);
941 lc->previewstream=NULL;
943 call->current_params.has_video=FALSE;
944 if (vstream && vstream->dir!=SalStreamInactive && vstream->port!=0) {
945 const char *addr=vstream->addr[0]!='\0' ? vstream->addr : call->resultdesc->addr;
946 call->video_profile=make_profile(call,call->resultdesc,vstream,&used_pt);
948 VideoStreamDir dir=VideoStreamSendRecv;
949 MSWebCam *cam=lc->video_conf.device;
950 bool_t is_inactive=FALSE;
952 call->current_params.has_video=TRUE;
954 video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
955 video_stream_enable_self_view(call->videostream,lc->video_conf.selfview);
956 if (lc->video_window_id!=0)
957 video_stream_set_native_window_id(call->videostream,lc->video_window_id);
958 if (lc->preview_window_id!=0)
959 video_stream_set_native_preview_window_id (call->videostream,lc->preview_window_id);
960 video_stream_use_preview_video_window (call->videostream,lc->use_preview_window);
962 if (vstream->dir==SalStreamSendOnly && lc->video_conf.capture ){
963 cam=get_nowebcam_device();
964 dir=VideoStreamSendOnly;
965 }else if (vstream->dir==SalStreamRecvOnly && lc->video_conf.display ){
966 dir=VideoStreamRecvOnly;
967 }else if (vstream->dir==SalStreamSendRecv){
968 if (lc->video_conf.display && lc->video_conf.capture)
969 dir=VideoStreamSendRecv;
970 else if (lc->video_conf.display)
971 dir=VideoStreamRecvOnly;
973 dir=VideoStreamSendOnly;
975 ms_warning("video stream is inactive.");
976 /*either inactive or incompatible with local capabilities*/
979 if (call->camera_active==FALSE || all_inputs_muted){
980 cam=get_nowebcam_device();
983 video_stream_set_direction (call->videostream, dir);
984 video_stream_start(call->videostream,
985 call->video_profile, addr, vstream->port,
987 used_pt, jitt_comp, cam);
988 video_stream_set_rtcp_information(call->videostream, cname,tool);
990 }else ms_warning("No video stream accepted.");
992 ms_warning("No valid video stream defined.");
996 call->all_muted=all_inputs_muted;
997 call->playing_ringbacktone=send_ringbacktone;
998 call->up_bw=linphone_core_get_upload_bandwidth(lc);
1003 linphone_address_destroy(me);
1006 static void linphone_call_log_fill_stats(LinphoneCallLog *log, AudioStream *st){
1007 audio_stream_get_local_rtp_stats (st,&log->local_stats);
1010 void linphone_call_stop_media_streams(LinphoneCall *call){
1011 if (call->audiostream!=NULL) {
1012 if (call->audiostream->ec){
1013 const char *state_str=NULL;
1014 ms_filter_call_method(call->audiostream->ec,MS_ECHO_CANCELLER_GET_STATE_STRING,&state_str);
1016 ms_message("Writing echo canceller state, %i bytes",strlen(state_str));
1017 lp_config_set_string(call->core->config,"sound","ec_state",state_str);
1020 linphone_call_log_fill_stats (call->log,call->audiostream);
1021 audio_stream_stop(call->audiostream);
1022 call->audiostream=NULL;
1024 #ifdef VIDEO_ENABLED
1025 if (call->videostream!=NULL){
1026 video_stream_stop(call->videostream);
1027 call->videostream=NULL;
1029 ms_event_queue_skip(call->core->msevq);
1032 if (call->audio_profile){
1033 rtp_profile_clear_all(call->audio_profile);
1034 rtp_profile_destroy(call->audio_profile);
1035 call->audio_profile=NULL;
1037 if (call->video_profile){
1038 rtp_profile_clear_all(call->video_profile);
1039 rtp_profile_destroy(call->video_profile);
1040 call->video_profile=NULL;
1044 #ifdef VIDEO_ENABLED
1046 * Request remote side to send us VFU.
1048 void linphone_call_send_vfu_request(LinphoneCall *call)
1050 if (LinphoneCallStreamsRunning == linphone_call_get_state(call))
1051 sal_call_send_vfu_request(call->op);
1055 void linphone_call_enable_echo_cancellation(LinphoneCall *call, bool_t enable) {
1056 if (call!=NULL && call->audiostream!=NULL && call->audiostream->ec){
1057 bool_t bypass_mode = !enable;
1058 ms_filter_call_method(call->audiostream->ec,MS_ECHO_CANCELLER_SET_BYPASS_MODE,&bypass_mode);
1061 bool_t linphone_call_echo_cancellation_enabled(LinphoneCall *call) {
1062 if (call!=NULL && call->audiostream!=NULL && call->audiostream->ec){
1064 ms_filter_call_method(call->audiostream->ec,MS_ECHO_CANCELLER_GET_BYPASS_MODE,&val);
1067 return linphone_core_echo_cancellation_enabled(call->core);
1071 void linphone_call_enable_echo_limiter(LinphoneCall *call, bool_t val){
1072 if (call!=NULL && call->audiostream!=NULL ) {
1074 const char *type=lp_config_get_string(call->core->config,"sound","el_type","mic");
1075 if (strcasecmp(type,"mic")==0)
1076 audio_stream_enable_echo_limiter(call->audiostream,ELControlMic);
1077 else if (strcasecmp(type,"full")==0)
1078 audio_stream_enable_echo_limiter(call->audiostream,ELControlFull);
1080 audio_stream_enable_echo_limiter(call->audiostream,ELInactive);
1085 bool_t linphone_call_echo_limiter_enabled(const LinphoneCall *call){
1086 if (call!=NULL && call->audiostream!=NULL ){
1087 return call->audiostream->el_type !=ELInactive ;
1089 return linphone_core_echo_limiter_enabled(call->core);
1094 * Returns the measured sound volume played locally (received from remote)
1095 * It is expressed in dbm0.
1097 float linphone_call_get_play_volume(LinphoneCall *call){
1098 AudioStream *st=call->audiostream;
1099 if (st && st->volsend){
1101 ms_filter_call_method(st->volsend,MS_VOLUME_GET,&vol);
1105 return LINPHONE_VOLUME_DB_LOWEST;
1109 * Returns the measured sound volume recorded locally (sent to remote)
1110 * It is expressed in dbm0.
1112 float linphone_call_get_record_volume(LinphoneCall *call){
1113 AudioStream *st=call->audiostream;
1114 if (st && st->volrecv){
1116 ms_filter_call_method(st->volrecv,MS_VOLUME_GET,&vol);
1120 return LINPHONE_VOLUME_DB_LOWEST;
1124 static void display_bandwidth(RtpSession *as, RtpSession *vs){
1125 ms_message("bandwidth usage: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
1126 (as!=NULL) ? (rtp_session_compute_recv_bandwidth(as)*1e-3) : 0,
1127 (as!=NULL) ? (rtp_session_compute_send_bandwidth(as)*1e-3) : 0,
1128 (vs!=NULL) ? (rtp_session_compute_recv_bandwidth(vs)*1e-3) : 0,
1129 (vs!=NULL) ? (rtp_session_compute_send_bandwidth(vs)*1e-3) : 0);
1132 static void linphone_core_disconnected(LinphoneCore *lc, LinphoneCall *call){
1136 from = linphone_call_get_remote_address_as_string(call);
1139 snprintf(temp,sizeof(temp),"Remote end %s seems to have disconnected, the call is going to be closed.",from);
1144 snprintf(temp,sizeof(temp),"Remote end seems to have disconnected, the call is going to be closed.");
1146 if (lc->vtable.display_warning!=NULL)
1147 lc->vtable.display_warning(lc,temp);
1148 linphone_core_terminate_call(lc,call);
1151 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed){
1152 int disconnect_timeout = linphone_core_get_nortp_timeout(call->core);
1153 bool_t disconnected=FALSE;
1155 if (call->state==LinphoneCallStreamsRunning && one_second_elapsed){
1156 RtpSession *as=NULL,*vs=NULL;
1157 float audio_load=0, video_load=0;
1158 if (call->audiostream!=NULL){
1159 as=call->audiostream->session;
1160 if (call->audiostream->ticker)
1161 audio_load=ms_ticker_get_average_load(call->audiostream->ticker);
1163 if (call->videostream!=NULL){
1164 if (call->videostream->ticker)
1165 video_load=ms_ticker_get_average_load(call->videostream->ticker);
1166 vs=call->videostream->session;
1168 display_bandwidth(as,vs);
1169 ms_message("Thread processing load: audio=%f\tvideo=%f",audio_load,video_load);
1171 #ifdef VIDEO_ENABLED
1172 if (call->videostream!=NULL)
1173 video_stream_iterate(call->videostream);
1175 if (one_second_elapsed && call->audiostream!=NULL && disconnect_timeout>0 )
1176 disconnected=!audio_stream_alive(call->audiostream,disconnect_timeout);
1178 linphone_core_disconnected(call->core,call);
1181 void linphone_call_log_completed(LinphoneCall *call){
1182 LinphoneCore *lc=call->core;
1184 call->log->duration=time(NULL)-call->start_time;
1186 if (call->log->status==LinphoneCallMissed){
1189 info=ortp_strdup_printf(ngettext("You have missed %i call.",
1190 "You have missed %i calls.", lc->missed_calls),
1192 if (lc->vtable.display_status!=NULL)
1193 lc->vtable.display_status(lc,info);
1196 lc->call_logs=ms_list_prepend(lc->call_logs,(void *)call->log);
1197 if (ms_list_size(lc->call_logs)>lc->max_call_logs){
1198 MSList *elem,*prevelem=NULL;
1199 /*find the last element*/
1200 for(elem=lc->call_logs;elem!=NULL;elem=elem->next){
1204 linphone_call_log_destroy((LinphoneCallLog*)elem->data);
1205 lc->call_logs=ms_list_remove_link(lc->call_logs,elem);
1207 if (lc->vtable.call_log_updated!=NULL){
1208 lc->vtable.call_log_updated(lc,call->log);
1210 call_logs_write_to_config_file(lc);