sjero.net Git - linphone/blob - coreapi/linphonecall.c

   1
   2 /*
   3 linphone
   4 Copyright (C) 2010  Belledonne Communications SARL
   5  (simon.morlat@linphone.org)
   6
   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.
  11
  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.
  16
  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.
  20 */
  21 #ifdef WIN32
  22 #include <time.h>
  23 #endif
  24 #include "linphonecore.h"
  25 #include "sipsetup.h"
  26 #include "lpconfig.h"
  27 #include "private.h"
  28
  29
  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
  36 #ifdef VIDEO_ENABLED
  37 static MSWebCam *get_nowebcam_device(){
  38         return ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),"StaticImage: Static picture");
  39 }
  40 #endif
  41
  42
  43 static MSList *make_codec_list(LinphoneCore *lc, const MSList *codecs, bool_t only_one_codec){
  44         MSList *l=NULL;
  45         const MSList *it;
  46         for(it=codecs;it!=NULL;it=it->next){
  47                 PayloadType *pt=(PayloadType*)it->data;
  48                 if ((pt->flags & PAYLOAD_TYPE_ENABLED) && linphone_core_check_payload_type_usability(lc,pt)){
  49                         l=ms_list_append(l,payload_type_clone(pt));
  50                         if (only_one_codec) break;
  51                 }
  52         }
  53         return l;
  54 }
  55
  56 SalMediaDescription *create_local_media_description(LinphoneCore *lc,
  57                 LinphoneCall *call, bool_t with_video, bool_t only_one_codec){
  58         MSList *l;
  59         PayloadType *pt;
  60         const char *me=linphone_core_get_identity(lc);
  61         LinphoneAddress *addr=linphone_address_new(me);
  62         const char *username=linphone_address_get_username (addr);
  63         SalMediaDescription *md=sal_media_description_new();
  64
  65         md->nstreams=1;
  66         strncpy(md->addr,call->localip,sizeof(md->addr));
  67         strncpy(md->username,username,sizeof(md->username));
  68         md->bandwidth=linphone_core_get_download_bandwidth(lc);
  69         /*set audio capabilities */
  70         strncpy(md->streams[0].addr,call->localip,sizeof(md->streams[0].addr));
  71         md->streams[0].port=call->audio_port;
  72         md->streams[0].proto=SalProtoRtpAvp;
  73         md->streams[0].type=SalAudio;
  74         md->streams[0].ptime=lc->net_conf.down_ptime;
  75         l=make_codec_list(lc,lc->codecs_conf.audio_codecs,only_one_codec);
  76         pt=payload_type_clone(rtp_profile_get_payload_from_mime(&av_profile,"telephone-event"));
  77         l=ms_list_append(l,pt);
  78         md->streams[0].payloads=l;
  79
  80         if (lc->dw_audio_bw>0)
  81                 md->streams[0].bandwidth=lc->dw_audio_bw;
  82
  83         if (with_video){
  84                 md->nstreams++;
  85                 md->streams[1].port=call->video_port;
  86                 md->streams[1].proto=SalProtoRtpAvp;
  87                 md->streams[1].type=SalVideo;
  88                 l=make_codec_list(lc,lc->codecs_conf.video_codecs,only_one_codec);
  89                 md->streams[1].payloads=l;
  90                 if (lc->dw_video_bw)
  91                         md->streams[1].bandwidth=lc->dw_video_bw;
  92         }
  93         linphone_address_destroy(addr);
  94         return md;
  95 }
  96
  97 static int find_port_offset(LinphoneCore *lc){
  98         int offset;
  99         MSList *elem;
 100         int audio_port;
 101         bool_t already_used=FALSE;
 102         for(offset=0;offset<100;offset+=2){
 103                 audio_port=linphone_core_get_audio_port (lc)+offset;
 104                 already_used=FALSE;
 105                 for(elem=lc->calls;elem!=NULL;elem=elem->next){
 106                         LinphoneCall *call=(LinphoneCall*)elem->data;
 107                         if (call->audio_port==audio_port) {
 108                                 already_used=TRUE;
 109                                 break;
 110                         }
 111                 }
 112                 if (!already_used) break;
 113         }
 114         if (offset==100){
 115                 ms_error("Could not find any free port !");
 116                 return -1;
 117         }
 118         return offset;
 119 }
 120
 121 static void linphone_call_init_common(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 122         int port_offset;
 123         call->refcnt=1;
 124         call->state=LinphoneCallIdle;
 125         call->start_time=time(NULL);
 126         call->media_start_time=0;
 127         call->log=linphone_call_log_new(call, from, to);
 128         linphone_core_notify_all_friends(call->core,LinphoneStatusOnThePhone);
 129         port_offset=find_port_offset (call->core);
 130         if (port_offset==-1) return;
 131         call->audio_port=linphone_core_get_audio_port(call->core)+port_offset;
 132         call->video_port=linphone_core_get_video_port(call->core)+port_offset;
 133
 134 }
 135
 136 static void discover_mtu(LinphoneCore *lc, const char *remote){
 137         int mtu;
 138         if (lc->net_conf.mtu==0 ){
 139                 /*attempt to discover mtu*/
 140                 mtu=ms_discover_mtu(remote);
 141                 if (mtu>0){
 142                         ms_set_mtu(mtu);
 143                         ms_message("Discovered mtu is %i, RTP payload max size is %i",
 144                                 mtu, ms_get_payload_max_size());
 145                 }
 146         }
 147 }
 148
 149 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params)
 150 {
 151         LinphoneCall *call=ms_new0(LinphoneCall,1);
 152         call->dir=LinphoneCallOutgoing;
 153         call->op=sal_op_new(lc->sal);
 154         sal_op_set_user_pointer(call->op,call);
 155         call->core=lc;
 156         linphone_core_get_local_ip(lc,linphone_address_get_domain(to),call->localip);
 157         linphone_call_init_common(call,from,to);
 158         call->params=*params;
 159         call->localdesc=create_local_media_description (lc,call,params->has_video,FALSE);
 160         call->camera_active=params->has_video;
 161         if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
 162                 linphone_core_run_stun_tests(call->core,call);
 163         discover_mtu(lc,linphone_address_get_domain (to));
 164         if (params->referer){
 165                 sal_call_set_referer (call->op,params->referer->op);
 166         }
 167         return call;
 168 }
 169
 170 LinphoneCall * linphone_call_new_incoming(LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op){
 171         LinphoneCall *call=ms_new0(LinphoneCall,1);
 172         char *to_str;
 173         char *from_str;
 174
 175         call->dir=LinphoneCallIncoming;
 176         sal_op_set_user_pointer(op,call);
 177         call->op=op;
 178         call->core=lc;
 179
 180         if (lc->sip_conf.ping_with_options){
 181                 /*the following sends an option request back to the caller so that
 182                  we get a chance to discover our nat'd address before answering.*/
 183                 call->ping_op=sal_op_new(lc->sal);
 184                 to_str=linphone_address_as_string(to);
 185                 from_str=linphone_address_as_string(from);
 186                 sal_op_set_route(call->ping_op,sal_op_get_network_origin(call->op));
 187                 sal_op_set_user_pointer(call->ping_op,call);
 188                 sal_ping(call->ping_op,to_str,from_str);
 189                 ms_free(to_str);
 190                 ms_free(from_str);
 191         }
 192
 193         linphone_address_clean(from);
 194         linphone_core_get_local_ip(lc,linphone_address_get_domain(from),call->localip);
 195         linphone_call_init_common(call, from, to);
 196         call->params.has_video=linphone_core_video_enabled(lc);
 197         call->localdesc=create_local_media_description (lc,call,
 198                                   call->params.has_video,lc->sip_conf.only_one_codec);
 199         call->camera_active=call->params.has_video;
 200         if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
 201                 linphone_core_run_stun_tests(call->core,call);
 202         discover_mtu(lc,linphone_address_get_domain(from));
 203         return call;
 204 }
 205
 206 /* this function is called internally to get rid of a call.
 207  It performs the following tasks:
 208  - remove the call from the internal list of calls
 209  - unref the LinphoneCall object
 210  - update the call logs accordingly
 211 */
 212
 213 static void linphone_call_set_terminated(LinphoneCall *call){
 214         LinphoneCallStatus status=LinphoneCallAborted;
 215         LinphoneCore *lc=call->core;
 216
 217         linphone_core_update_allocated_audio_bandwidth(lc);
 218         if (call->state==LinphoneCallEnd){
 219                 status=LinphoneCallSuccess;
 220
 221         }
 222         linphone_call_log_completed(call->log,call, status);
 223
 224         if (call == lc->current_call){
 225                 ms_message("Resetting the current call");
 226                 lc->current_call=NULL;
 227         }
 228
 229         if (linphone_core_del_call(lc,call) != 0){
 230                 ms_error("Could not remove the call from the list !!!");
 231         }
 232
 233         if (ms_list_size(lc->calls)==0)
 234                 linphone_core_notify_all_friends(lc,lc->presence_mode);
 235
 236         if (call->op!=NULL) {
 237                 /* so that we cannot have anymore upcalls for SAL
 238                  concerning this call*/
 239                 sal_op_release(call->op);
 240                 call->op=NULL;
 241         }
 242         linphone_call_unref(call);
 243 }
 244
 245 const char *linphone_call_state_to_string(LinphoneCallState cs){
 246         switch (cs){
 247                 case LinphoneCallIdle:
 248                         return "LinphoneCallIdle";
 249                 case LinphoneCallIncomingReceived:
 250                         return "LinphoneCallIncomingReceived";
 251                 case LinphoneCallOutgoingInit:
 252                         return "LinphoneCallOutgoingInit";
 253                 case LinphoneCallOutgoingProgress:
 254                         return "LinphoneCallOutgoingProgress";
 255                 case LinphoneCallOutgoingRinging:
 256                         return "LinphoneCallOutgoingRinging";
 257                 case LinphoneCallOutgoingEarlyMedia:
 258                         return "LinphoneCallOutgoingEarlyMedia";
 259                 case LinphoneCallConnected:
 260                         return "LinphoneCallConnected";
 261                 case LinphoneCallStreamsRunning:
 262                         return "LinphoneCallStreamsRunning";
 263                 case LinphoneCallPausing:
 264                         return "LinphoneCallPausing";
 265                 case LinphoneCallPaused:
 266                         return "LinphoneCallPaused";
 267                 case LinphoneCallResuming:
 268                         return "LinphoneCallResuming";
 269                 case LinphoneCallRefered:
 270                         return "LinphoneCallRefered";
 271                 case LinphoneCallError:
 272                         return "LinphoneCallRefered";
 273                 case LinphoneCallEnd:
 274                         return "LinphoneCallEnd";
 275                 case LinphoneCallPausedByRemote:
 276                         return "LinphoneCallPausedByRemote";
 277                 case LinphoneCallUpdatedByRemote:
 278                         return "LinphoneCallUpdatedByRemote";
 279         }
 280         return "undefined state";
 281 }
 282
 283 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message){
 284         LinphoneCore *lc=call->core;
 285         bool_t finalize_call=FALSE;
 286         if (call->state!=cstate){
 287                 ms_message("Call %p: moving from state %s to %s",call,linphone_call_state_to_string(call->state),
 288                            linphone_call_state_to_string(cstate));
 289                 if (cstate!=LinphoneCallRefered){
 290                         /*LinphoneCallRefered is rather an event, not a state.
 291                          Indeed it does not change the state of the call (still paused or running)*/
 292                         call->state=cstate;
 293                 }
 294                 if (cstate==LinphoneCallEnd || cstate==LinphoneCallError){
 295                         finalize_call=TRUE;
 296                         linphone_call_ref(call);
 297                         linphone_call_set_terminated (call);
 298                 }
 299                 if (lc->vtable.call_state_changed)
 300                         lc->vtable.call_state_changed(lc,call,cstate,message);
 301                 if (finalize_call)
 302                         linphone_call_unref(call);
 303         }
 304 }
 305
 306 static void linphone_call_destroy(LinphoneCall *obj)
 307 {
 308         if (obj->op!=NULL) {
 309                 sal_op_release(obj->op);
 310                 obj->op=NULL;
 311         }
 312         if (obj->resultdesc!=NULL) {
 313                 sal_media_description_unref(obj->resultdesc);
 314                 obj->resultdesc=NULL;
 315         }
 316         if (obj->localdesc!=NULL) {
 317                 sal_media_description_unref(obj->localdesc);
 318                 obj->localdesc=NULL;
 319         }
 320         if (obj->ping_op) {
 321                 sal_op_release(obj->ping_op);
 322         }
 323         if (obj->refer_to){
 324                 ms_free(obj->refer_to);
 325         }
 326         ms_free(obj);
 327 }
 328
 329 /**
 330  * @addtogroup call_control
 331  * @{
 332 **/
 333
 334 /**
 335  * Increments the call 's reference count.
 336  * An application that wishes to retain a pointer to call object
 337  * must use this function to unsure the pointer remains
 338  * valid. Once the application no more needs this pointer,
 339  * it must call linphone_call_unref().
 340 **/
 341 void linphone_call_ref(LinphoneCall *obj){
 342         obj->refcnt++;
 343 }
 344
 345 /**
 346  * Decrements the call object reference count.
 347  * See linphone_call_ref().
 348 **/
 349 void linphone_call_unref(LinphoneCall *obj){
 350         obj->refcnt--;
 351         if (obj->refcnt==0){
 352                 linphone_call_destroy(obj);
 353         }
 354 }
 355
 356 /**
 357  * Returns current parameters associated to the call.
 358 **/
 359 const LinphoneCallParams * linphone_call_get_current_params(const LinphoneCall *call){
 360         return &call->params;
 361 }
 362
 363 /**
 364  * Returns the remote address associated to this call
 365  *
 366 **/
 367 const LinphoneAddress * linphone_call_get_remote_address(const LinphoneCall *call){
 368         return call->dir==LinphoneCallIncoming ? call->log->from : call->log->to;
 369 }
 370
 371 /**
 372  * Returns the remote address associated to this call as a string.
 373  *
 374  * The result string must be freed by user using ms_free().
 375 **/
 376 char *linphone_call_get_remote_address_as_string(const LinphoneCall *call){
 377         return linphone_address_as_string(linphone_call_get_remote_address(call));
 378 }
 379
 380 /**
 381  * Retrieves the call's current state.
 382 **/
 383 LinphoneCallState linphone_call_get_state(const LinphoneCall *call){
 384         return call->state;
 385 }
 386
 387 /**
 388  * Get the user_pointer in the LinphoneCall
 389  *
 390  * @ingroup call_control
 391  *
 392  * return user_pointer an opaque user pointer that can be retrieved at any time
 393 **/
 394 void *linphone_call_get_user_pointer(LinphoneCall *call)
 395 {
 396         return call->user_pointer;
 397 }
 398
 399 /**
 400  * Set the user_pointer in the LinphoneCall
 401  *
 402  * @ingroup call_control
 403  *
 404  * the user_pointer is an opaque user pointer that can be retrieved at any time in the LinphoneCall
 405 **/
 406 void linphone_call_set_user_pointer(LinphoneCall *call, void *user_pointer)
 407 {
 408         call->user_pointer = user_pointer;
 409 }
 410
 411 /**
 412  * Returns the call log associated to this call.
 413 **/
 414 LinphoneCallLog *linphone_call_get_call_log(const LinphoneCall *call){
 415         return call->log;
 416 }
 417
 418 /**
 419  * Returns the refer-to uri (if the call was transfered).
 420 **/
 421 const char *linphone_call_get_refer_to(const LinphoneCall *call){
 422         return call->refer_to;
 423 }
 424
 425 /**
 426  * Returns direction of the call (incoming or outgoing).
 427 **/
 428 LinphoneCallDir linphone_call_get_dir(const LinphoneCall *call){
 429         return call->log->dir;
 430 }
 431
 432 /**
 433  * Returns the far end's user agent description string, if available.
 434 **/
 435 const char *linphone_call_get_remote_user_agent(LinphoneCall *call){
 436         if (call->op){
 437                 return sal_op_get_remote_ua (call->op);
 438         }
 439         return NULL;
 440 }
 441
 442 /**
 443  * Returns true if this calls has received a transfer that has not been
 444  * executed yet.
 445  * Pending transfers are executed when this call is being paused or closed,
 446  * locally or by remote endpoint.
 447  * If the call is already paused while receiving the transfer request, the
 448  * transfer immediately occurs.
 449 **/
 450 bool_t linphone_call_has_transfer_pending(const LinphoneCall *call){
 451         return call->refer_pending;
 452 }
 453
 454 /**
 455  * Returns call's duration in seconds.
 456 **/
 457 int linphone_call_get_duration(const LinphoneCall *call){
 458         if (call->media_start_time==0) return 0;
 459         return time(NULL)-call->media_start_time;
 460 }
 461
 462 /**
 463  * Indicate whether camera input should be sent to remote end.
 464 **/
 465 void linphone_call_enable_camera (LinphoneCall *call, bool_t enable){
 466 #ifdef VIDEO_ENABLED
 467         if (call->videostream!=NULL && call->videostream->ticker!=NULL){
 468                 LinphoneCore *lc=call->core;
 469                 MSWebCam *nowebcam=get_nowebcam_device();
 470                 if (call->camera_active!=enable && lc->video_conf.device!=nowebcam){
 471                         video_stream_change_camera(call->videostream,
 472                                      enable ? lc->video_conf.device : nowebcam);
 473                 }
 474         }
 475         call->camera_active=enable;
 476 #endif
 477 }
 478
 479 /**
 480  * Take a photo of currently received video and write it into a jpeg file.
 481 **/
 482 int linphone_call_take_video_snapshot(LinphoneCall *call, const char *file){
 483 #ifdef VIDEO_ENABLED
 484         if (call->videostream!=NULL && call->videostream->jpegwriter!=NULL){
 485                 return ms_filter_call_method(call->videostream->jpegwriter,MS_JPEG_WRITER_TAKE_SNAPSHOT,(void*)file);
 486         }
 487         ms_warning("Cannot take snapshot: no currently running video stream on this call.");
 488         return -1;
 489 #endif
 490         return -1;
 491 }
 492
 493 /**
 494  *
 495 **/
 496 bool_t linphone_call_camera_enabled (const LinphoneCall *call){
 497         return call->camera_active;
 498 }
 499
 500 /**
 501  *
 502 **/
 503 void linphone_call_params_enable_video(LinphoneCallParams *cp, bool_t enabled){
 504         cp->has_video=enabled;
 505 }
 506
 507 /**
 508  *
 509 **/
 510 bool_t linphone_call_params_video_enabled(const LinphoneCallParams *cp){
 511         return cp->has_video;
 512 }
 513
 514 /**
 515  *
 516 **/
 517 LinphoneCallParams * linphone_call_params_copy(const LinphoneCallParams *cp){
 518         LinphoneCallParams *ncp=ms_new0(LinphoneCallParams,1);
 519         memcpy(ncp,cp,sizeof(LinphoneCallParams));
 520         return ncp;
 521 }
 522
 523 /**
 524  *
 525 **/
 526 void linphone_call_params_destroy(LinphoneCallParams *p){
 527         ms_free(p);
 528 }
 529
 530 /**
 531  * @}
 532 **/
 533
 534
 535 #ifdef TEST_EXT_RENDERER
 536 static void rendercb(void *data, const MSPicture *local, const MSPicture *remote){
 537         ms_message("rendercb, local buffer=%p, remote buffer=%p",
 538                    local ? local->planes[0] : NULL, remote? remote->planes[0] : NULL);
 539 }
 540 #endif
 541
 542 void linphone_call_init_media_streams(LinphoneCall *call){
 543         LinphoneCore *lc=call->core;
 544         SalMediaDescription *md=call->localdesc;
 545         AudioStream *audiostream;
 546
 547         call->audiostream=audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc));
 548         if (linphone_core_echo_limiter_enabled(lc)){
 549                 const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
 550                 if (strcasecmp(type,"mic")==0)
 551                         audio_stream_enable_echo_limiter(audiostream,ELControlMic);
 552                 else if (strcasecmp(type,"full")==0)
 553                         audio_stream_enable_echo_limiter(audiostream,ELControlFull);
 554         }
 555         audio_stream_enable_gain_control(audiostream,TRUE);
 556         if (linphone_core_echo_cancellation_enabled(lc)){
 557                 int len,delay,framesize;
 558                 len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
 559                 delay=lp_config_get_int(lc->config,"sound","ec_delay",0);
 560                 framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0);
 561                 audio_stream_set_echo_canceller_params(audiostream,len,delay,framesize);
 562         }
 563         audio_stream_enable_automatic_gain_control(audiostream,linphone_core_agc_enabled(lc));
 564         {
 565                 int enabled=lp_config_get_int(lc->config,"sound","noisegate",0);
 566                 audio_stream_enable_noise_gate(audiostream,enabled);
 567         }
 568         if (lc->a_rtp)
 569                 rtp_session_set_transports(audiostream->session,lc->a_rtp,lc->a_rtcp);
 570
 571 #ifdef VIDEO_ENABLED
 572         if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0){
 573                 call->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc));
 574         if( lc->video_conf.displaytype != NULL)
 575                 video_stream_set_display_filter_name(call->videostream,lc->video_conf.displaytype);
 576 #ifdef TEST_EXT_RENDERER
 577                 video_stream_set_render_callback(call->videostream,rendercb,NULL);
 578 #endif
 579         }
 580 #else
 581         call->videostream=NULL;
 582 #endif
 583 }
 584
 585
 586 static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'};
 587
 588 static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){
 589         LinphoneCore* lc = (LinphoneCore*)user_data;
 590         if (dtmf<0 || dtmf>15){
 591                 ms_warning("Bad dtmf value %i",dtmf);
 592                 return;
 593         }
 594         if (lc->vtable.dtmf_received != NULL)
 595                 lc->vtable.dtmf_received(lc, linphone_core_get_current_call(lc), dtmf_tab[dtmf]);
 596 }
 597
 598 static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){
 599         if (st->equalizer){
 600                 MSFilter *f=st->equalizer;
 601                 int enabled=lp_config_get_int(lc->config,"sound","eq_active",0);
 602                 const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL);
 603                 ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled);
 604                 if (enabled){
 605                         if (gains){
 606                                 do{
 607                                         int bytes;
 608                                         MSEqualizerGain g;
 609                                         if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){
 610                                                 ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain);
 611                                                 ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g);
 612                                                 gains+=bytes;
 613                                         }else break;
 614                                 }while(1);
 615                         }
 616                 }
 617         }
 618 }
 619
 620
 621 static void post_configure_audio_streams(LinphoneCall*call){
 622         AudioStream *st=call->audiostream;
 623         LinphoneCore *lc=call->core;
 624         float mic_gain=lp_config_get_float(lc->config,"sound","mic_gain",1);
 625         float thres = 0;
 626         float recv_gain;
 627         float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05);
 628         float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0);
 629         int dc_removal=lp_config_get_int(lc->config,"sound","dc_removal",0);
 630
 631         if (mic_gain!=-1)
 632                 audio_stream_set_mic_gain(st,mic_gain);
 633         call->audio_muted=FALSE;
 634
 635         recv_gain = lc->sound_conf.soft_play_lev;
 636         if (recv_gain != 0) {
 637                 linphone_core_set_playback_gain_db (lc,recv_gain);
 638         }
 639         if (st->volsend){
 640                 ms_filter_call_method(st->volsend,MS_VOLUME_REMOVE_DC,&dc_removal);
 641         }
 642         if (linphone_core_echo_limiter_enabled(lc)){
 643                 float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
 644                 thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
 645                 float force=lp_config_get_float(lc->config,"sound","el_force",-1);
 646                 int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1);
 647                 MSFilter *f=NULL;
 648                 if (st->el_type!=ELInactive){
 649                         f=st->volsend;
 650                         if (speed==-1) speed=0.03;
 651                         if (force==-1) force=25;
 652                         ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed);
 653                         ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
 654                         if (thres!=-1)
 655                                 ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
 656                         if (sustain!=-1)
 657                                 ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain);
 658                 }
 659         }
 660
 661         if (st->volsend){
 662                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres);
 663                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain);
 664         }
 665         if (st->volrecv){
 666                 /* parameters for a limited noise-gate effect, using echo limiter threshold */
 667                 float floorgain = 1/mic_gain;
 668                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&thres);
 669                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&floorgain);
 670         }
 671         parametrize_equalizer(lc,st);
 672         if (lc->vtable.dtmf_received!=NULL){
 673                 /* replace by our default action*/
 674                 audio_stream_play_received_dtmfs(call->audiostream,FALSE);
 675                 rtp_session_signal_connect(call->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc);
 676         }
 677 }
 678
 679
 680
 681
 682 static RtpProfile *make_profile(LinphoneCore *lc, const SalMediaDescription *md, const SalStreamDescription *desc, int *used_pt){
 683         int bw;
 684         const MSList *elem;
 685         RtpProfile *prof=rtp_profile_new("Call profile");
 686         bool_t first=TRUE;
 687         int remote_bw=0;
 688         *used_pt=-1;
 689
 690         for(elem=desc->payloads;elem!=NULL;elem=elem->next){
 691                 PayloadType *pt=(PayloadType*)elem->data;
 692                 int number;
 693
 694                 if (first) {
 695                         if (desc->type==SalAudio){
 696                                 linphone_core_update_allocated_audio_bandwidth_in_call(lc,pt);
 697                         }
 698                         *used_pt=payload_type_get_number(pt);
 699                         first=FALSE;
 700                 }
 701                 if (desc->bandwidth>0) remote_bw=desc->bandwidth;
 702                 else if (md->bandwidth>0) {
 703                         /*case where b=AS is given globally, not per stream*/
 704                         remote_bw=md->bandwidth;
 705                         if (desc->type==SalVideo){
 706                                 remote_bw-=lc->audio_bw;
 707                         }
 708                 }
 709
 710                 if (desc->type==SalAudio){
 711                                 bw=get_min_bandwidth(lc->up_audio_bw,remote_bw);
 712                 }else bw=get_min_bandwidth(lc->up_video_bw,remote_bw);
 713                 if (bw>0) pt->normal_bitrate=bw*1000;
 714                 else if (desc->type==SalAudio){
 715                         pt->normal_bitrate=-1;
 716                 }
 717                 if (desc->ptime>0){
 718                         char tmp[40];
 719                         snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime);
 720                         payload_type_append_send_fmtp(pt,tmp);
 721                 }
 722                 number=payload_type_get_number(pt);
 723                 if (rtp_profile_get_payload(prof,number)!=NULL){
 724                         ms_warning("A payload type with number %i already exists in profile !",number);
 725                 }else
 726                         rtp_profile_set_payload(prof,number,pt);
 727         }
 728         return prof;
 729 }
 730
 731 static void setup_ring_player(LinphoneCore *lc, LinphoneCall *call){
 732         int pause_time=3000;
 733         audio_stream_play(call->audiostream,lc->sound_conf.ringback_tone);
 734         ms_filter_call_method(call->audiostream->soundread,MS_FILE_PLAYER_LOOP,&pause_time);
 735 }
 736
 737 static void _linphone_call_start_media_streams(LinphoneCall *call, bool_t send_early_media){
 738         LinphoneCore *lc=call->core;
 739         LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
 740         const char *tool="linphone-" LINPHONE_VERSION;
 741         char *cname;
 742         int used_pt=-1;
 743         if(call->audiostream == NULL)
 744         {
 745                 ms_fatal("start_media_stream() called without prior init !");
 746                 return;
 747         }
 748         /* adjust rtp jitter compensation. It must be at least the latency of the sound card */
 749         int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp);
 750
 751         if (call->media_start_time==0) call->media_start_time=time(NULL);
 752
 753         cname=linphone_address_as_string_uri_only(me);
 754         {
 755                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
 756                                                         SalProtoRtpAvp,SalAudio);
 757                 if (stream && stream->dir!=SalStreamInactive){
 758                         MSSndCard *playcard=lc->sound_conf.lsd_card ?
 759                                 lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
 760                         MSSndCard *captcard=lc->sound_conf.capt_sndcard;
 761                         const char *playfile=lc->play_file;
 762                         const char *recfile=lc->rec_file;
 763                         call->audio_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
 764                         if (used_pt!=-1){
 765                                 if (playcard==NULL) {
 766                                         ms_warning("No card defined for playback !");
 767                                 }
 768                                 if (captcard==NULL) {
 769                                         ms_warning("No card defined for capture !");
 770                                 }
 771                                 /*Replace soundcard filters by inactive file players or recorders
 772                                  when placed in recvonly or sendonly mode*/
 773                                 if (stream->port==0 || stream->dir==SalStreamRecvOnly){
 774                                         captcard=NULL;
 775                                         playfile=NULL;
 776                                 }else if (stream->dir==SalStreamSendOnly || send_early_media){
 777                                         playcard=NULL;
 778                                         captcard=NULL;
 779                                         recfile=NULL;
 780                                         if (send_early_media)
 781                                                 playfile=NULL;
 782                                 }
 783                                 /*if playfile are supplied don't use soundcards*/
 784                                 if (lc->use_files) {
 785                                         captcard=NULL;
 786                                         playcard=NULL;
 787                                 }
 788                                 audio_stream_start_full(
 789                                         call->audiostream,
 790                                         call->audio_profile,
 791                                         stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
 792                                         stream->port,
 793                                         stream->port+1,
 794                                         used_pt,
 795                                         jitt_comp,
 796                                         playfile,
 797                                         recfile,
 798                                         playcard,
 799                                         captcard,
 800                                         send_early_media ? FALSE : linphone_core_echo_cancellation_enabled(lc));
 801                                 post_configure_audio_streams(call);
 802                                 if (send_early_media) setup_ring_player(lc,call);
 803                                 audio_stream_set_rtcp_information(call->audiostream, cname, tool);
 804                         }else ms_warning("No audio stream accepted ?");
 805                 }
 806         }
 807 #ifdef VIDEO_ENABLED
 808         if (!send_early_media){
 809                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
 810                                                         SalProtoRtpAvp,SalVideo);
 811                 used_pt=-1;
 812                 /* shutdown preview */
 813                 if (lc->previewstream!=NULL) {
 814                         video_preview_stop(lc->previewstream);
 815                         lc->previewstream=NULL;
 816                 }
 817                 if (stream && stream->dir!=SalStreamInactive) {
 818                         const char *addr=stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr;
 819                         call->video_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
 820                         if (used_pt!=-1){
 821                                 VideoStreamDir dir=VideoStreamSendRecv;
 822                                 MSWebCam *cam=lc->video_conf.device;
 823                                 bool_t is_inactive=FALSE;
 824
 825                                 call->params.has_video=TRUE;
 826
 827                                 video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
 828                                 video_stream_enable_self_view(call->videostream,lc->video_conf.selfview);
 829                                 if (lc->video_window_id!=0)
 830                                         video_stream_set_native_window_id(call->videostream,lc->video_window_id);
 831                                 if (lc->preview_window_id!=0)
 832                                         video_stream_set_native_preview_window_id (call->videostream,lc->preview_window_id);
 833                                 video_stream_use_preview_video_window (call->videostream,lc->use_preview_window);
 834
 835                                 if (stream->dir==SalStreamSendOnly && lc->video_conf.capture ){
 836                                         cam=get_nowebcam_device();
 837                                         dir=VideoStreamSendOnly;
 838                                 }else if (stream->dir==SalStreamRecvOnly && lc->video_conf.display ){
 839                                         dir=VideoStreamRecvOnly;
 840                                 }else if (stream->dir==SalStreamSendRecv){
 841                                         if (lc->video_conf.display && lc->video_conf.capture)
 842                                                 dir=VideoStreamSendRecv;
 843                                         else if (lc->video_conf.display)
 844                                                 dir=VideoStreamRecvOnly;
 845                                         else
 846                                                 dir=VideoStreamSendOnly;
 847                                 }else{
 848                                         ms_warning("video stream is inactive.");
 849                                         /*either inactive or incompatible with local capabilities*/
 850                                         is_inactive=TRUE;
 851                                 }
 852                                 if (call->camera_active==FALSE){
 853                                         cam=get_nowebcam_device();
 854                                 }
 855                                 if (!is_inactive){
 856                                         video_stream_set_direction (call->videostream, dir);
 857                                         video_stream_start(call->videostream,
 858                                                 call->video_profile, addr, stream->port,
 859                                                 stream->port+1,
 860                                                 used_pt, jitt_comp, cam);
 861                                         video_stream_set_rtcp_information(call->videostream, cname,tool);
 862                                 }
 863                         }else ms_warning("No video stream accepted.");
 864                 }else{
 865                         ms_warning("No valid video stream defined.");
 866                 }
 867         }
 868 #endif
 869         goto end;
 870         end:
 871                 ms_free(cname);
 872                 linphone_address_destroy(me);
 873 }
 874
 875
 876 void linphone_call_start_media_streams(LinphoneCall *call){
 877         _linphone_call_start_media_streams(call,FALSE);
 878 }
 879
 880 void linphone_call_start_early_media(LinphoneCall *call){
 881         _linphone_call_start_media_streams(call,TRUE);
 882 }
 883
 884 static void linphone_call_log_fill_stats(LinphoneCallLog *log, AudioStream *st){
 885         audio_stream_get_local_rtp_stats (st,&log->local_stats);
 886 }
 887
 888 void linphone_call_stop_media_streams(LinphoneCall *call){
 889         if (call->audiostream!=NULL) {
 890                 linphone_call_log_fill_stats (call->log,call->audiostream);
 891                 audio_stream_stop(call->audiostream);
 892                 call->audiostream=NULL;
 893         }
 894 #ifdef VIDEO_ENABLED
 895         if (call->videostream!=NULL){
 896                 video_stream_stop(call->videostream);
 897                 call->videostream=NULL;
 898         }
 899
 900 #endif
 901         if (call->audio_profile){
 902                 rtp_profile_clear_all(call->audio_profile);
 903                 rtp_profile_destroy(call->audio_profile);
 904                 call->audio_profile=NULL;
 905         }
 906         if (call->video_profile){
 907                 rtp_profile_clear_all(call->video_profile);
 908                 rtp_profile_destroy(call->video_profile);
 909                 call->video_profile=NULL;
 910         }
 911 }
 912