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
  34
  35
  36 static MSList *make_codec_list(LinphoneCore *lc, const MSList *codecs, bool_t only_one_codec){
  37         MSList *l=NULL;
  38         const MSList *it;
  39         for(it=codecs;it!=NULL;it=it->next){
  40                 PayloadType *pt=(PayloadType*)it->data;
  41                 if ((pt->flags & PAYLOAD_TYPE_ENABLED) && linphone_core_check_payload_type_usability(lc,pt)){
  42                         l=ms_list_append(l,payload_type_clone(pt));
  43                         if (only_one_codec) break;
  44                 }
  45         }
  46         return l;
  47 }
  48
  49 static SalMediaDescription *create_local_media_description(LinphoneCore *lc,
  50                 LinphoneCall *call, const char *username, bool_t only_one_codec){
  51         MSList *l;
  52         PayloadType *pt;
  53         SalMediaDescription *md=sal_media_description_new();
  54         md->nstreams=1;
  55         strncpy(md->addr,call->localip,sizeof(md->addr));
  56         strncpy(md->username,username,sizeof(md->username));
  57         md->bandwidth=linphone_core_get_download_bandwidth(lc);
  58         /*set audio capabilities */
  59         strncpy(md->streams[0].addr,call->localip,sizeof(md->streams[0].addr));
  60         md->streams[0].port=call->audio_port;
  61         md->streams[0].proto=SalProtoRtpAvp;
  62         md->streams[0].type=SalAudio;
  63         md->streams[0].ptime=lc->net_conf.down_ptime;
  64         l=make_codec_list(lc,lc->codecs_conf.audio_codecs,only_one_codec);
  65         pt=payload_type_clone(rtp_profile_get_payload_from_mime(&av_profile,"telephone-event"));
  66         l=ms_list_append(l,pt);
  67         md->streams[0].payloads=l;
  68
  69         if (lc->dw_audio_bw>0)
  70                 md->streams[0].bandwidth=lc->dw_audio_bw;
  71
  72         if (linphone_core_video_enabled (lc)){
  73                 md->nstreams++;
  74                 md->streams[1].port=call->video_port;
  75                 md->streams[1].proto=SalProtoRtpAvp;
  76                 md->streams[1].type=SalVideo;
  77                 l=make_codec_list(lc,lc->codecs_conf.video_codecs,only_one_codec);
  78                 md->streams[1].payloads=l;
  79                 if (lc->dw_video_bw)
  80                         md->streams[1].bandwidth=lc->dw_video_bw;
  81         }
  82         return md;
  83 }
  84
  85 static int find_port_offset(LinphoneCore *lc){
  86         int offset;
  87         MSList *elem;
  88         int audio_port;
  89         bool_t already_used=FALSE;
  90         for(offset=0;offset<100;offset+=2){
  91                 audio_port=linphone_core_get_audio_port (lc)+offset;
  92                 already_used=FALSE;
  93                 for(elem=lc->calls;elem!=NULL;elem=elem->next){
  94                         LinphoneCall *call=(LinphoneCall*)elem->data;
  95                         if (call->audio_port==audio_port) {
  96                                 already_used=TRUE;
  97                                 break;
  98                         }
  99                 }
 100                 if (!already_used) break;
 101         }
 102         if (offset==100){
 103                 ms_error("Could not find any free port !");
 104                 return -1;
 105         }
 106         return offset;
 107 }
 108
 109 static void linphone_call_init_common(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 110         int port_offset;
 111         call->refcnt=1;
 112         call->state=LinphoneCallIdle;
 113         call->start_time=time(NULL);
 114         call->media_start_time=0;
 115         call->log=linphone_call_log_new(call, from, to);
 116         linphone_core_notify_all_friends(call->core,LinphoneStatusOnThePhone);
 117         port_offset=find_port_offset (call->core);
 118         if (port_offset==-1) return;
 119         call->audio_port=linphone_core_get_audio_port(call->core)+port_offset;
 120         call->video_port=linphone_core_get_video_port(call->core)+port_offset;
 121
 122 }
 123
 124 static void discover_mtu(LinphoneCore *lc, const char *remote){
 125         int mtu;
 126         if (lc->net_conf.mtu==0 ){
 127                 /*attempt to discover mtu*/
 128                 mtu=ms_discover_mtu(remote);
 129                 if (mtu>0){
 130                         ms_set_mtu(mtu);
 131                         ms_message("Discovered mtu is %i, RTP payload max size is %i",
 132                                 mtu, ms_get_payload_max_size());
 133                 }
 134         }
 135 }
 136
 137 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to)
 138 {
 139         LinphoneCall *call=ms_new0(LinphoneCall,1);
 140         call->dir=LinphoneCallOutgoing;
 141         call->op=sal_op_new(lc->sal);
 142         sal_op_set_user_pointer(call->op,call);
 143         call->core=lc;
 144         linphone_core_get_local_ip(lc,linphone_address_get_domain(to),call->localip);
 145         linphone_call_init_common(call,from,to);
 146         call->localdesc=create_local_media_description (lc,call,
 147                 linphone_address_get_username(from),FALSE);
 148         if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
 149                 linphone_core_run_stun_tests(call->core,call);
 150         discover_mtu(lc,linphone_address_get_domain (to));
 151         return call;
 152 }
 153
 154 LinphoneCall * linphone_call_new_incoming(LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op){
 155         LinphoneCall *call=ms_new0(LinphoneCall,1);
 156         LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
 157         char *to_str;
 158         char *from_str;
 159
 160         call->dir=LinphoneCallIncoming;
 161         sal_op_set_user_pointer(op,call);
 162         call->op=op;
 163         call->core=lc;
 164
 165         if (lc->sip_conf.ping_with_options){
 166                 /*the following sends an option request back to the caller so that
 167                  we get a chance to discover our nat'd address before answering.*/
 168                 call->ping_op=sal_op_new(lc->sal);
 169                 to_str=linphone_address_as_string(to);
 170                 from_str=linphone_address_as_string(from);
 171                 sal_op_set_route(call->ping_op,sal_op_get_network_origin(call->op));
 172                 sal_op_set_user_pointer(call->ping_op,call);
 173                 sal_ping(call->ping_op,to_str,from_str);
 174                 ms_free(to_str);
 175                 ms_free(from_str);
 176         }
 177
 178         linphone_address_clean(from);
 179         linphone_core_get_local_ip(lc,linphone_address_get_domain(from),call->localip);
 180         linphone_call_init_common(call, from, to);
 181         call->localdesc=create_local_media_description (lc,call,
 182             linphone_address_get_username(me),lc->sip_conf.only_one_codec);
 183         if (linphone_core_get_firewall_policy(call->core)==LinphonePolicyUseStun)
 184                 linphone_core_run_stun_tests(call->core,call);
 185         discover_mtu(lc,linphone_address_get_domain(from));
 186         linphone_address_destroy(me);
 187         return call;
 188 }
 189
 190 /* this function is called internally to get rid of a call.
 191  It performs the following tasks:
 192  - remove the call from the internal list of calls
 193  - unref the LinphoneCall object
 194  - update the call logs accordingly
 195 */
 196
 197 static void linphone_call_set_terminated(LinphoneCall *call){
 198         LinphoneCallStatus status=LinphoneCallAborted;
 199         LinphoneCore *lc=call->core;
 200
 201         linphone_core_update_allocated_audio_bandwidth(lc);
 202         if (call->state==LinphoneCallEnd){
 203                 status=LinphoneCallSuccess;
 204
 205         }
 206         linphone_call_log_completed(call->log,call, status);
 207
 208         if (call == lc->current_call){
 209                 ms_message("Resetting the current call");
 210                 lc->current_call=NULL;
 211                 linphone_core_start_pending_refered_calls(lc);
 212         }
 213
 214         if (linphone_core_del_call(lc,call) != 0){
 215                 ms_error("Could not remove the call from the list !!!");
 216         }
 217
 218         if (ms_list_size(lc->calls)==0)
 219                 linphone_core_notify_all_friends(lc,lc->presence_mode);
 220
 221         if (call->op!=NULL) {
 222                 /* so that we cannot have anymore upcalls for SAL
 223                  concerning this call*/
 224                 sal_op_release(call->op);
 225                 call->op=NULL;
 226         }
 227         linphone_call_unref(call);
 228 }
 229
 230 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message){
 231         LinphoneCore *lc=call->core;
 232         bool_t finalize_call=FALSE;
 233         if (call->state!=cstate){
 234                 if (cstate!=LinphoneCallRefered){
 235                         /*LinphoneCallRefered is rather an event, not a state.
 236                          Indeed it does not change the state of the call (still paused or running)*/
 237                         call->state=cstate;
 238                 }
 239                 if (cstate==LinphoneCallEnd || cstate==LinphoneCallError){
 240                         finalize_call=TRUE;
 241                         linphone_call_ref(call);
 242                         linphone_call_set_terminated (call);
 243                 }
 244                 if (lc->vtable.call_state_changed)
 245                         lc->vtable.call_state_changed(lc,call,cstate,message);
 246                 if (finalize_call)
 247                         linphone_call_unref(call);
 248         }
 249 }
 250
 251 static void linphone_call_destroy(LinphoneCall *obj)
 252 {
 253         if (obj->op!=NULL) {
 254                 sal_op_release(obj->op);
 255                 obj->op=NULL;
 256         }
 257         if (obj->resultdesc!=NULL) {
 258                 sal_media_description_unref(obj->resultdesc);
 259                 obj->resultdesc=NULL;
 260         }
 261         if (obj->localdesc!=NULL) {
 262                 sal_media_description_unref(obj->localdesc);
 263                 obj->localdesc=NULL;
 264         }
 265         if (obj->ping_op) {
 266                 sal_op_release(obj->ping_op);
 267         }
 268         if (obj->refer_to){
 269                 ms_free(obj->refer_to);
 270         }
 271         ms_free(obj);
 272 }
 273
 274 /**
 275  * @addtogroup call_control
 276  * @{
 277 **/
 278
 279 /**
 280  * Increments the call 's reference count.
 281  * An application that wishes to retain a pointer to call object
 282  * must use this function to unsure the pointer remains
 283  * valid. Once the application no more needs this pointer,
 284  * it must call linphone_call_unref().
 285 **/
 286 void linphone_call_ref(LinphoneCall *obj){
 287         obj->refcnt++;
 288 }
 289
 290 /**
 291  * Decrements the call object reference count.
 292  * See linphone_call_ref().
 293 **/
 294 void linphone_call_unref(LinphoneCall *obj){
 295         obj->refcnt--;
 296         if (obj->refcnt==0)
 297                 linphone_call_destroy(obj);
 298 }
 299
 300 /**
 301  * Returns the remote address associated to this call
 302  *
 303 **/
 304 const LinphoneAddress * linphone_call_get_remote_address(const LinphoneCall *call){
 305         return call->dir==LinphoneCallIncoming ? call->log->from : call->log->to;
 306 }
 307
 308 /**
 309  * Returns the remote address associated to this call as a string.
 310  *
 311  * The result string must be freed by user using ms_free().
 312 **/
 313 char *linphone_call_get_remote_address_as_string(const LinphoneCall *call){
 314         return linphone_address_as_string(linphone_call_get_remote_address(call));
 315 }
 316
 317 /**
 318  * Retrieves the call's current state.
 319 **/
 320 LinphoneCallState linphone_call_get_state(const LinphoneCall *call){
 321         return call->state;
 322 }
 323
 324 /**
 325  * Get the user_pointer in the LinphoneCall
 326  *
 327  * @ingroup call_control
 328  *
 329  * return user_pointer an opaque user pointer that can be retrieved at any time
 330 **/
 331 void *linphone_call_get_user_pointer(LinphoneCall *call)
 332 {
 333         return call->user_pointer;
 334 }
 335
 336 /**
 337  * Set the user_pointer in the LinphoneCall
 338  *
 339  * @ingroup call_control
 340  *
 341  * the user_pointer is an opaque user pointer that can be retrieved at any time in the LinphoneCall
 342 **/
 343 void linphone_call_set_user_pointer(LinphoneCall *call, void *user_pointer)
 344 {
 345         call->user_pointer = user_pointer;
 346 }
 347
 348 /**
 349  * Returns the call log associated to this call.
 350 **/
 351 LinphoneCallLog *linphone_call_get_call_log(const LinphoneCall *call){
 352         return call->log;
 353 }
 354
 355 /**
 356  * Returns the refer-to uri (if the call was transfered).
 357 **/
 358 const char *linphone_call_get_refer_to(const LinphoneCall *call){
 359         return call->refer_to;
 360 }
 361
 362 LinphoneCallDir linphone_call_get_dir(const LinphoneCall *call){
 363         return call->log->dir;
 364 }
 365
 366 /**
 367  * Returns true if this calls has received a transfer that has not been
 368  * executed yet.
 369  * Pending transfers are executed when this call is being paused or closed,
 370  * locally or by remote endpoint.
 371  * If the call is already paused while receiving the transfer request, the
 372  * transfer immediately occurs.
 373 **/
 374 bool_t linphone_call_has_transfer_pending(const LinphoneCall *call){
 375         return call->refer_pending;
 376 }
 377
 378 /**
 379  * Returns call's duration in seconds.
 380 **/
 381 int linphone_call_get_duration(const LinphoneCall *call){
 382         if (call->media_start_time==0) return 0;
 383         return time(NULL)-call->media_start_time;
 384 }
 385
 386 /**
 387  * @}
 388 **/
 389
 390
 391 #ifdef TEST_EXT_RENDERER
 392 static void rendercb(void *data, const MSPicture *local, const MSPicture *remote){
 393         ms_message("rendercb, local buffer=%p, remote buffer=%p",
 394                    local ? local->planes[0] : NULL, remote? remote->planes[0] : NULL);
 395 }
 396 #endif
 397
 398 void linphone_call_init_media_streams(LinphoneCall *call){
 399         LinphoneCore *lc=call->core;
 400         SalMediaDescription *md=call->localdesc;
 401         AudioStream *audiostream;
 402
 403         call->audiostream=audiostream=audio_stream_new(md->streams[0].port,linphone_core_ipv6_enabled(lc));
 404         if (linphone_core_echo_limiter_enabled(lc)){
 405                 const char *type=lp_config_get_string(lc->config,"sound","el_type","mic");
 406                 if (strcasecmp(type,"mic")==0)
 407                         audio_stream_enable_echo_limiter(audiostream,ELControlMic);
 408                 else if (strcasecmp(type,"full")==0)
 409                         audio_stream_enable_echo_limiter(audiostream,ELControlFull);
 410         }
 411         audio_stream_enable_gain_control(audiostream,TRUE);
 412         if (linphone_core_echo_cancellation_enabled(lc)){
 413                 int len,delay,framesize;
 414                 len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
 415                 delay=lp_config_get_int(lc->config,"sound","ec_delay",0);
 416                 framesize=lp_config_get_int(lc->config,"sound","ec_framesize",0);
 417                 audio_stream_set_echo_canceller_params(audiostream,len,delay,framesize);
 418         }
 419         audio_stream_enable_automatic_gain_control(audiostream,linphone_core_agc_enabled(lc));
 420         {
 421                 int enabled=lp_config_get_int(lc->config,"sound","noisegate",0);
 422                 audio_stream_enable_noise_gate(audiostream,enabled);
 423         }
 424         if (lc->a_rtp)
 425                 rtp_session_set_transports(audiostream->session,lc->a_rtp,lc->a_rtcp);
 426
 427 #ifdef VIDEO_ENABLED
 428         if ((lc->video_conf.display || lc->video_conf.capture) && md->streams[1].port>0){
 429                 call->videostream=video_stream_new(md->streams[1].port,linphone_core_ipv6_enabled(lc));
 430 #ifdef TEST_EXT_RENDERER
 431                 video_stream_set_render_callback(call->videostream,rendercb,NULL);
 432 #endif
 433         }
 434 #else
 435         call->videostream=NULL;
 436 #endif
 437 }
 438
 439
 440 static int dtmf_tab[16]={'0','1','2','3','4','5','6','7','8','9','*','#','A','B','C','D'};
 441
 442 static void linphone_core_dtmf_received(RtpSession* s, int dtmf, void* user_data){
 443         LinphoneCore* lc = (LinphoneCore*)user_data;
 444         if (dtmf<0 || dtmf>15){
 445                 ms_warning("Bad dtmf value %i",dtmf);
 446                 return;
 447         }
 448         if (lc->vtable.dtmf_received != NULL)
 449                 lc->vtable.dtmf_received(lc, linphone_core_get_current_call(lc), dtmf_tab[dtmf]);
 450 }
 451
 452 static void parametrize_equalizer(LinphoneCore *lc, AudioStream *st){
 453         if (st->equalizer){
 454                 MSFilter *f=st->equalizer;
 455                 int enabled=lp_config_get_int(lc->config,"sound","eq_active",0);
 456                 const char *gains=lp_config_get_string(lc->config,"sound","eq_gains",NULL);
 457                 ms_filter_call_method(f,MS_EQUALIZER_SET_ACTIVE,&enabled);
 458                 if (enabled){
 459                         if (gains){
 460                                 do{
 461                                         int bytes;
 462                                         MSEqualizerGain g;
 463                                         if (sscanf(gains,"%f:%f:%f %n",&g.frequency,&g.gain,&g.width,&bytes)==3){
 464                                                 ms_message("Read equalizer gains: %f(~%f) --> %f",g.frequency,g.width,g.gain);
 465                                                 ms_filter_call_method(f,MS_EQUALIZER_SET_GAIN,&g);
 466                                                 gains+=bytes;
 467                                         }else break;
 468                                 }while(1);
 469                         }
 470                 }
 471         }
 472 }
 473
 474
 475 static void post_configure_audio_streams(LinphoneCall*call){
 476         AudioStream *st=call->audiostream;
 477         LinphoneCore *lc=call->core;
 478         float mic_gain=lp_config_get_float(lc->config,"sound","mic_gain",1);
 479         float thres = 0;
 480         float recv_gain;
 481         float ng_thres=lp_config_get_float(lc->config,"sound","ng_thres",0.05);
 482         float ng_floorgain=lp_config_get_float(lc->config,"sound","ng_floorgain",0);
 483         int dc_removal=lp_config_get_int(lc->config,"sound","dc_removal",0);
 484
 485         if (mic_gain!=-1)
 486                 audio_stream_set_mic_gain(st,mic_gain);
 487         call->audio_muted=FALSE;
 488
 489         recv_gain = lc->sound_conf.soft_play_lev;
 490         if (recv_gain != 0) {
 491                 linphone_core_set_playback_gain_db (lc,recv_gain);
 492         }
 493         if (st->volsend){
 494                 ms_filter_call_method(st->volsend,MS_VOLUME_REMOVE_DC,&dc_removal);
 495         }
 496         if (linphone_core_echo_limiter_enabled(lc)){
 497                 float speed=lp_config_get_float(lc->config,"sound","el_speed",-1);
 498                 thres=lp_config_get_float(lc->config,"sound","el_thres",-1);
 499                 float force=lp_config_get_float(lc->config,"sound","el_force",-1);
 500                 int sustain=lp_config_get_int(lc->config,"sound","el_sustain",-1);
 501                 MSFilter *f=NULL;
 502                 if (st->el_type!=ELInactive){
 503                         f=st->volsend;
 504                         if (speed==-1) speed=0.03;
 505                         if (force==-1) force=25;
 506                         ms_filter_call_method(f,MS_VOLUME_SET_EA_SPEED,&speed);
 507                         ms_filter_call_method(f,MS_VOLUME_SET_EA_FORCE,&force);
 508                         if (thres!=-1)
 509                                 ms_filter_call_method(f,MS_VOLUME_SET_EA_THRESHOLD,&thres);
 510                         if (sustain!=-1)
 511                                 ms_filter_call_method(f,MS_VOLUME_SET_EA_SUSTAIN,&sustain);
 512                 }
 513         }
 514
 515         if (st->volsend){
 516                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&ng_thres);
 517                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&ng_floorgain);
 518         }
 519         if (st->volrecv){
 520                 /* parameters for a limited noise-gate effect, using echo limiter threshold */
 521                 float floorgain = 1/mic_gain;
 522                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_THRESHOLD,&thres);
 523                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_NOISE_GATE_FLOORGAIN,&floorgain);
 524         }
 525         parametrize_equalizer(lc,st);
 526         if (lc->vtable.dtmf_received!=NULL){
 527                 /* replace by our default action*/
 528                 audio_stream_play_received_dtmfs(call->audiostream,FALSE);
 529                 rtp_session_signal_connect(call->audiostream->session,"telephone-event",(RtpCallback)linphone_core_dtmf_received,(unsigned long)lc);
 530         }
 531 }
 532
 533
 534
 535
 536 static RtpProfile *make_profile(LinphoneCore *lc, const SalMediaDescription *md, const SalStreamDescription *desc, int *used_pt){
 537         int bw;
 538         const MSList *elem;
 539         RtpProfile *prof=rtp_profile_new("Call profile");
 540         bool_t first=TRUE;
 541         int remote_bw=0;
 542         *used_pt=-1;
 543
 544         for(elem=desc->payloads;elem!=NULL;elem=elem->next){
 545                 PayloadType *pt=(PayloadType*)elem->data;
 546                 int number;
 547
 548                 if (first) {
 549                         if (desc->type==SalAudio){
 550                                 linphone_core_update_allocated_audio_bandwidth_in_call(lc,pt);
 551                         }
 552                         *used_pt=payload_type_get_number(pt);
 553                         first=FALSE;
 554                 }
 555                 if (desc->bandwidth>0) remote_bw=desc->bandwidth;
 556                 else if (md->bandwidth>0) {
 557                         /*case where b=AS is given globally, not per stream*/
 558                         remote_bw=md->bandwidth;
 559                         if (desc->type==SalVideo){
 560                                 remote_bw-=lc->audio_bw;
 561                         }
 562                 }
 563
 564                 if (desc->type==SalAudio){
 565                                 bw=get_min_bandwidth(lc->up_audio_bw,remote_bw);
 566                 }else bw=get_min_bandwidth(lc->up_video_bw,remote_bw);
 567                 if (bw>0) pt->normal_bitrate=bw*1000;
 568                 else if (desc->type==SalAudio){
 569                         pt->normal_bitrate=-1;
 570                 }
 571                 if (desc->ptime>0){
 572                         char tmp[40];
 573                         snprintf(tmp,sizeof(tmp),"ptime=%i",desc->ptime);
 574                         payload_type_append_send_fmtp(pt,tmp);
 575                 }
 576                 number=payload_type_get_number(pt);
 577                 if (rtp_profile_get_payload(prof,number)!=NULL){
 578                         ms_warning("A payload type with number %i already exists in profile !",number);
 579                         payload_type_destroy(pt);
 580                 }else
 581                         rtp_profile_set_payload(prof,number,pt);
 582         }
 583         return prof;
 584 }
 585
 586 void linphone_call_start_media_streams(LinphoneCall *call){
 587         LinphoneCore *lc=call->core;
 588         LinphoneAddress *me=linphone_core_get_primary_contact_parsed(lc);
 589         const char *tool="linphone-" LINPHONE_VERSION;
 590         char *cname;
 591         int used_pt=-1;
 592         if(call->audiostream == NULL)
 593         {
 594                 ms_fatal("start_media_stream() called without prior init !");
 595                 return;
 596         }
 597         /* adjust rtp jitter compensation. It must be at least the latency of the sound card */
 598         int jitt_comp=MAX(lc->sound_conf.latency,lc->rtp_conf.audio_jitt_comp);
 599
 600         if (call->media_start_time==0) call->media_start_time=time(NULL);
 601
 602         cname=linphone_address_as_string_uri_only(me);
 603         {
 604                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
 605                                                         SalProtoRtpAvp,SalAudio);
 606                 if (stream){
 607                         MSSndCard *playcard=lc->sound_conf.lsd_card ?
 608                                 lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard;
 609                         MSSndCard *captcard=lc->sound_conf.capt_sndcard;
 610                         const char *playfile=lc->play_file;
 611                         const char *recfile=lc->rec_file;
 612                         call->audio_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
 613                         if (used_pt!=-1){
 614                                 if (playcard==NULL) {
 615                                         ms_warning("No card defined for playback !");
 616                                 }
 617                                 if (captcard==NULL) {
 618                                         ms_warning("No card defined for capture !");
 619                                 }
 620                                 ms_message("streamdir is %i",stream->dir);
 621                                 /*Replace soundcard filters by inactive file players or recorders
 622                                  when placed in recvonly or sendonly mode*/
 623                                 if (stream->port==0 || stream->dir==SalStreamRecvOnly){
 624                                         captcard=NULL;
 625                                         playfile=NULL;
 626                                 }else if (stream->dir==SalStreamSendOnly){
 627                                         playcard=NULL;
 628                                         captcard=NULL;
 629                                         recfile=NULL;
 630                                 }
 631                                 /*if playfile are supplied don't use soundcards*/
 632                                 if (lc->use_files) {
 633                                         captcard=NULL;
 634                                         playcard=NULL;
 635                                 }
 636                                 audio_stream_start_full(
 637                                         call->audiostream,
 638                                         call->audio_profile,
 639                                         stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr,
 640                                         stream->port,
 641                                         stream->port+1,
 642                                         used_pt,
 643                                         jitt_comp,
 644                                         playfile,
 645                                         recfile,
 646                                         playcard,
 647                                         captcard,
 648                                         linphone_core_echo_cancellation_enabled(lc));
 649                                 post_configure_audio_streams(call);
 650                                 audio_stream_set_rtcp_information(call->audiostream, cname, tool);
 651                         }else ms_warning("No audio stream accepted ?");
 652                 }
 653         }
 654 #ifdef VIDEO_ENABLED
 655         {
 656                 const SalStreamDescription *stream=sal_media_description_find_stream(call->resultdesc,
 657                                                         SalProtoRtpAvp,SalVideo);
 658                 used_pt=-1;
 659                 /* shutdown preview */
 660                 if (lc->previewstream!=NULL) {
 661                         video_preview_stop(lc->previewstream);
 662                         lc->previewstream=NULL;
 663                 }
 664                 if (stream) {
 665                         const char *addr=stream->addr[0]!='\0' ? stream->addr : call->resultdesc->addr;
 666                         call->video_profile=make_profile(lc,call->resultdesc,stream,&used_pt);
 667                         if (used_pt!=-1){
 668                                 VideoStreamDir dir=VideoStreamSendRecv;
 669                                 MSWebCam *cam=lc->video_conf.device;
 670                                 bool_t is_inactive=FALSE;
 671
 672                                 video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
 673                                 video_stream_enable_self_view(call->videostream,lc->video_conf.selfview);
 674
 675                                 if (stream->dir==SalStreamSendOnly && lc->video_conf.capture ){
 676                                         cam=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),"Static picture");
 677                                         dir=VideoStreamSendOnly;
 678                                 }else if (stream->dir==SalStreamRecvOnly && lc->video_conf.display ){
 679                                         dir=VideoStreamRecvOnly;
 680                                 }else if (stream->dir==SalStreamSendRecv){
 681                                         if (lc->video_conf.display && lc->video_conf.capture)
 682                                                 dir=VideoStreamSendRecv;
 683                                         else if (lc->video_conf.display)
 684                                                 dir=VideoStreamRecvOnly;
 685                                         else
 686                                                 dir=VideoStreamSendOnly;
 687                                 }else{
 688                                         ms_warning("video stream is inactive.");
 689                                         /*either inactive or incompatible with local capabilities*/
 690                                         is_inactive=TRUE;
 691                                 }
 692                                 if (!is_inactive){
 693                                         video_stream_set_direction (call->videostream, dir);
 694                                         video_stream_start(call->videostream,
 695                                                 call->video_profile, addr, stream->port,
 696                                                 stream->port+1,
 697                                                 used_pt, jitt_comp, cam);
 698                                         video_stream_set_rtcp_information(call->videostream, cname,tool);
 699                                 }
 700                         }else ms_warning("No video stream accepted.");
 701                 }else{
 702                         ms_warning("No valid video stream defined.");
 703                 }
 704         }
 705 #endif
 706         goto end;
 707         end:
 708                 ms_free(cname);
 709                 linphone_address_destroy(me);
 710 }
 711
 712
 713
 714 static void linphone_call_log_fill_stats(LinphoneCallLog *log, AudioStream *st){
 715         audio_stream_get_local_rtp_stats (st,&log->local_stats);
 716 }
 717
 718 void linphone_call_stop_media_streams(LinphoneCall *call){
 719         if (call->audiostream!=NULL) {
 720                 linphone_call_log_fill_stats (call->log,call->audiostream);
 721                 audio_stream_stop(call->audiostream);
 722                 call->audiostream=NULL;
 723         }
 724 #ifdef VIDEO_ENABLED
 725         if (call->videostream!=NULL){
 726                 video_stream_stop(call->videostream);
 727                 call->videostream=NULL;
 728         }
 729
 730 #endif
 731         if (call->audio_profile){
 732                 rtp_profile_clear_all(call->audio_profile);
 733                 rtp_profile_destroy(call->audio_profile);
 734                 call->audio_profile=NULL;
 735         }
 736         if (call->video_profile){
 737                 rtp_profile_clear_all(call->video_profile);
 738                 rtp_profile_destroy(call->video_profile);
 739                 call->video_profile=NULL;
 740         }
 741 }
 742
 743