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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <ortp/telephonyevents.h>
  28 #include <ortp/zrtp.h>
  29 #include "mediastreamer2/mediastream.h"
  30 #include "mediastreamer2/mseventqueue.h"
  31 #include "mediastreamer2/msvolume.h"
  32 #include "mediastreamer2/msequalizer.h"
  33 #include "mediastreamer2/dtmfgen.h"
  34
  35 #ifdef INET6
  36 #ifndef WIN32
  37 #include <netdb.h>
  38 #endif
  39 #endif
  40
  41 #ifdef HAVE_CONFIG_H
  42 #include "config.h"
  43 #endif
  44
  45 /*#define UNSTANDART_GSM_11K 1*/
  46
  47 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  48
  49 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  50 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  51 static void linphone_core_run_hooks(LinphoneCore *lc);
  52 static void linphone_core_free_hooks(LinphoneCore *lc);
  53
  54 #include "enum.h"
  55 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  56 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  57 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  58
  59 /* relative path where is stored local ring*/
  60 #define LOCAL_RING "rings/oldphone.wav"
  61 /* same for remote ring (ringback)*/
  62 #define REMOTE_RING "ringback.wav"
  63 #define HOLD_MUSIC "rings/toy-mono.wav"
  64
  65
  66 extern SalCallbacks linphone_sal_callbacks;
  67
  68 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  69 {
  70   obj->_func=func;
  71   obj->_user_data=ud;
  72 }
  73
  74 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  75         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  76         return 0;
  77 }
  78
  79
  80 /*prevent a gcc bug with %c*/
  81 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  82 #if !defined(_WIN32_WCE)
  83         return strftime(s, max, fmt, tm);
  84 #else
  85         return 0;
  86         /*FIXME*/
  87 #endif /*_WIN32_WCE*/
  88 }
  89
  90 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  91         struct tm loctime;
  92 #ifdef WIN32
  93 #if !defined(_WIN32_WCE)
  94         loctime=*localtime(&start_time);
  95         /*FIXME*/
  96 #endif /*_WIN32_WCE*/
  97 #else
  98         localtime_r(&start_time,&loctime);
  99 #endif
 100         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 101 }
 102
 103 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 104         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 105         cl->dir=call->dir;
 106         cl->start_date_time=call->start_time;
 107         set_call_log_date(cl,cl->start_date_time);
 108         cl->from=from;
 109         cl->to=to;
 110     cl->status=LinphoneCallAborted; /*default status*/
 111         return cl;
 112 }
 113
 114 void call_logs_write_to_config_file(LinphoneCore *lc){
 115         MSList *elem;
 116         char logsection[32];
 117         int i;
 118         char *tmp;
 119         LpConfig *cfg=lc->config;
 120
 121         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 122
 123         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 124                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 125                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 126                 lp_config_clean_section(cfg,logsection);
 127                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 128                 lp_config_set_int(cfg,logsection,"status",cl->status);
 129                 tmp=linphone_address_as_string(cl->from);
 130                 lp_config_set_string(cfg,logsection,"from",tmp);
 131                 ms_free(tmp);
 132                 tmp=linphone_address_as_string(cl->to);
 133                 lp_config_set_string(cfg,logsection,"to",tmp);
 134                 ms_free(tmp);
 135                 if (cl->start_date_time)
 136                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 137                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 138                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 139                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 140                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 141                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 142                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 143         }
 144         for(;i<lc->max_call_logs;++i){
 145                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 146                 lp_config_clean_section(cfg,logsection);
 147         }
 148 }
 149
 150 static time_t string_to_time(const char *date){
 151 #ifndef WIN32
 152         struct tm tmtime={0};
 153         strptime(date,"%c",&tmtime);
 154         return mktime(&tmtime);
 155 #else
 156         return 0;
 157 #endif
 158 }
 159
 160 static void call_logs_read_from_config_file(LinphoneCore *lc){
 161         char logsection[32];
 162         int i;
 163         const char *tmp;
 164         uint64_t sec;
 165         LpConfig *cfg=lc->config;
 166         for(i=0;;++i){
 167                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 168                 if (lp_config_has_section(cfg,logsection)){
 169                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 170                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 171                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 172                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 173                         if (tmp) cl->from=linphone_address_new(tmp);
 174                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 175                         if (tmp) cl->to=linphone_address_new(tmp);
 176                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 177                         if (sec) {
 178                                 /*new call log format with date expressed in seconds */
 179                                 cl->start_date_time=(time_t)sec;
 180                                 set_call_log_date(cl,cl->start_date_time);
 181                         }else{
 182                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 183                                 if (tmp) {
 184                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 185                                         cl->start_date_time=string_to_time(cl->start_date);
 186                                 }
 187                         }
 188                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 189                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 190                         if (tmp) cl->refkey=ms_strdup(tmp);
 191                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 192                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 193                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 194                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 195                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 196                 }else break;
 197         }
 198 }
 199
 200
 201
 202 /**
 203  * @addtogroup call_logs
 204  * @{
 205 **/
 206
 207 /**
 208  * Returns a human readable string describing the call.
 209  *
 210  * @note: the returned char* must be freed by the application (use ms_free()).
 211 **/
 212 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 213         char *status;
 214         char *tmp;
 215         char *from=linphone_address_as_string (cl->from);
 216         char *to=linphone_address_as_string (cl->to);
 217         switch(cl->status){
 218                 case LinphoneCallAborted:
 219                         status=_("aborted");
 220                         break;
 221                 case LinphoneCallSuccess:
 222                         status=_("completed");
 223                         break;
 224                 case LinphoneCallMissed:
 225                         status=_("missed");
 226                         break;
 227                 default:
 228                         status="unknown";
 229         }
 230         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 231                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 232                         cl->start_date,
 233                         from,
 234                         to,
 235                         status,
 236                         cl->duration/60,
 237                         cl->duration%60);
 238         ms_free(from);
 239         ms_free(to);
 240         return tmp;
 241 }
 242
 243 /**
 244  * Returns RTP statistics computed locally regarding the call.
 245  *
 246 **/
 247 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 248         return &cl->local_stats;
 249 }
 250
 251 /**
 252  * Returns RTP statistics computed by remote end and sent back via RTCP.
 253  *
 254  * @note Not implemented yet.
 255 **/
 256 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 257         return &cl->remote_stats;
 258 }
 259
 260 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 261         cl->user_pointer=up;
 262 }
 263
 264 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 265         return cl->user_pointer;
 266 }
 267
 268
 269
 270 /**
 271  * Associate a persistent reference key to the call log.
 272  *
 273  * The reference key can be for example an id to an external database.
 274  * It is stored in the config file, thus can survive to process exits/restarts.
 275  *
 276 **/
 277 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 278         if (cl->refkey!=NULL){
 279                 ms_free(cl->refkey);
 280                 cl->refkey=NULL;
 281         }
 282         if (refkey) cl->refkey=ms_strdup(refkey);
 283 }
 284
 285 /**
 286  * Get the persistent reference key associated to the call log.
 287  *
 288  * The reference key can be for example an id to an external database.
 289  * It is stored in the config file, thus can survive to process exits/restarts.
 290  *
 291 **/
 292 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 293         return cl->refkey;
 294 }
 295
 296 /** @} */
 297
 298 void linphone_call_log_destroy(LinphoneCallLog *cl){
 299         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 300         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 301         if (cl->refkey!=NULL) ms_free(cl->refkey);
 302         if (cl->call_id) ms_free((void*)cl->call_id);
 303         ms_free(cl);
 304 }
 305
 306 /**
 307  * Returns TRUE if the LinphoneCall asked to autoanswer
 308  *
 309 **/
 310 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 311         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 312         if(call)
 313                 return sal_call_autoanswer_asked(call->op);
 314         else
 315                 return FALSE;
 316 }
 317
 318 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 319         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 320         if (call)  return linphone_call_get_duration(call);
 321         return -1;
 322 }
 323
 324 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 325         LinphoneCall *call=linphone_core_get_current_call(lc);
 326         if (call==NULL) return NULL;
 327         return linphone_call_get_remote_address(call);
 328 }
 329
 330 /**
 331  * Enable logs in supplied FILE*.
 332  *
 333  * @ingroup misc
 334  *
 335  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 336  *
 337 **/
 338 void linphone_core_enable_logs(FILE *file){
 339         if (file==NULL) file=stdout;
 340         ortp_set_log_file(file);
 341         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 342 }
 343
 344 /**
 345  * Enable logs through the user's supplied log callback.
 346  *
 347  * @ingroup misc
 348  *
 349  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 350  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 351  *
 352 **/
 353 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 354         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 355         ortp_set_log_handler(logfunc);
 356 }
 357
 358 /**
 359  * Entirely disable logging.
 360  *
 361  * @ingroup misc
 362 **/
 363 void linphone_core_disable_logs(){
 364         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 365 }
 366
 367
 368 static void net_config_read (LinphoneCore *lc)
 369 {
 370         int tmp;
 371         const char *tmpstr;
 372         LpConfig *config=lc->config;
 373
 374         lc->net_conf.nat_address_ip = NULL;
 375         tmp=lp_config_get_int(config,"net","download_bw",0);
 376         linphone_core_set_download_bandwidth(lc,tmp);
 377         tmp=lp_config_get_int(config,"net","upload_bw",0);
 378         linphone_core_set_upload_bandwidth(lc,tmp);
 379         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 380         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 381         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 382         linphone_core_set_nat_address(lc,tmpstr);
 383         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 384         linphone_core_set_firewall_policy(lc,tmp);
 385         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 386         lc->net_conf.nat_sdp_only=tmp;
 387         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 388         linphone_core_set_mtu(lc,tmp);
 389         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 390         linphone_core_set_download_ptime(lc,tmp);
 391
 392 }
 393
 394 static void build_sound_devices_table(LinphoneCore *lc){
 395         const char **devices;
 396         const char **old;
 397         int ndev;
 398         int i;
 399         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 400         ndev=ms_list_size(elem);
 401         devices=ms_malloc((ndev+1)*sizeof(const char *));
 402         for (i=0;elem!=NULL;elem=elem->next,i++){
 403                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 404         }
 405         devices[ndev]=NULL;
 406         old=lc->sound_conf.cards;
 407         lc->sound_conf.cards=devices;
 408         if (old!=NULL) ms_free(old);
 409 }
 410
 411 static void sound_config_read(LinphoneCore *lc)
 412 {
 413         int tmp;
 414         const char *tmpbuf;
 415         const char *devid;
 416         float gain=0;
 417 #ifdef __linux
 418         /*alsadev let the user use custom alsa device within linphone*/
 419         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 420         if (devid){
 421                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 422                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 423         }
 424         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 425         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 426 #endif
 427         /* retrieve all sound devices */
 428         build_sound_devices_table(lc);
 429
 430         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 431         linphone_core_set_playback_device(lc,devid);
 432
 433         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 434         linphone_core_set_ringer_device(lc,devid);
 435
 436         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 437         linphone_core_set_capture_device(lc,devid);
 438
 439 /*
 440         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 441         linphone_core_set_play_level(lc,tmp);
 442         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 443         linphone_core_set_ring_level(lc,tmp);
 444         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 445         linphone_core_set_rec_level(lc,tmp);
 446         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 447         linphone_core_set_sound_source(lc,tmpbuf[0]);
 448 */
 449
 450         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 451         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 452         if (ortp_file_exist(tmpbuf)==-1) {
 453                 ms_warning("%s does not exist",tmpbuf);
 454                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 455         }
 456         if (strstr(tmpbuf,".wav")==NULL){
 457                 /* it currently uses old sound files, so replace them */
 458                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 459         }
 460         linphone_core_set_ring(lc,tmpbuf);
 461
 462         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 463         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 464         if (ortp_file_exist(tmpbuf)==-1){
 465                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 466         }
 467         if (strstr(tmpbuf,".wav")==NULL){
 468                 /* it currently uses old sound files, so replace them */
 469                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 470         }
 471         linphone_core_set_ringback(lc,tmpbuf);
 472
 473         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 474         check_sound_device(lc);
 475         lc->sound_conf.latency=0;
 476 #ifndef __ios
 477     tmp=TRUE;
 478 #else
 479     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 480 #endif
 481     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 482         linphone_core_enable_echo_cancellation(lc,tmp);
 483         linphone_core_enable_echo_limiter(lc,
 484                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 485         linphone_core_enable_agc(lc,
 486                 lp_config_get_int(lc->config,"sound","agc",0));
 487
 488         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 489         linphone_core_set_playback_gain_db (lc,gain);
 490
 491         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 492
 493         /*just parse requested stream feature once at start to print out eventual errors*/
 494         linphone_core_get_audio_features(lc);
 495 }
 496
 497 static void sip_config_read(LinphoneCore *lc)
 498 {
 499         char *contact;
 500         const char *tmpstr;
 501         LCSipTransports tr;
 502         int i,tmp;
 503         int ipv6;
 504         int random_port;
 505
 506         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 507         linphone_core_set_use_info_for_dtmf(lc,tmp);
 508
 509         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 510                 sal_use_session_timers(lc->sal,200);
 511         }
 512
 513         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 514         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 515         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 516         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 517
 518         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 519         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 520
 521         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 522         if (ipv6==-1){
 523                 ipv6=0;
 524         }
 525         linphone_core_enable_ipv6(lc,ipv6);
 526         memset(&tr,0,sizeof(tr));
 527
 528         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 529         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 530         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 531
 532         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 533                 random_port=(0xDFFF&random())+1024;
 534         else random_port=0;
 535
 536         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 537                 tr.udp_port=5060;
 538         }
 539
 540         if (tr.udp_port>0 && random_port){
 541                 tr.udp_port=random_port;
 542                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 543         }else if (tr.tcp_port>0 && random_port){
 544                 tr.tcp_port=random_port;
 545                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 546         }else if (tr.tls_port>0 && random_port){
 547                 tr.tls_port=random_port;
 548                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 549         }
 550
 551 #ifdef __linux
 552         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 553 #else
 554         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 555 #endif
 556         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 557         /*start listening on ports*/
 558         linphone_core_set_sip_transports(lc,&tr);
 559
 560         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 561         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 562                 const char *hostname=NULL;
 563                 const char *username=NULL;
 564 #ifdef HAVE_GETENV
 565                 hostname=getenv("HOST");
 566                 username=getenv("USER");
 567                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 568 #endif /*HAVE_GETENV*/
 569                 if (hostname==NULL)
 570                         hostname="unknown-host";
 571                 if (username==NULL){
 572                         username="toto";
 573                 }
 574                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 575                 linphone_core_set_primary_contact(lc,contact);
 576                 ms_free(contact);
 577         }
 578
 579         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 580         linphone_core_set_guess_hostname(lc,tmp);
 581
 582
 583         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 584         linphone_core_set_inc_timeout(lc,tmp);
 585
 586         /* get proxies config */
 587         for(i=0;; i++){
 588                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 589                 if (cfg!=NULL){
 590                         linphone_core_add_proxy_config(lc,cfg);
 591                 }else{
 592                         break;
 593                 }
 594         }
 595         /* get the default proxy */
 596         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 597         linphone_core_set_default_proxy_index(lc,tmp);
 598
 599         /* read authentication information */
 600         for(i=0;; i++){
 601                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 602                 if (ai!=NULL){
 603                         linphone_core_add_auth_info(lc,ai);
 604                         linphone_auth_info_destroy(ai);
 605                 }else{
 606                         break;
 607                 }
 608         }
 609         /*this is to filter out unsupported encryption schemes*/
 610         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 611
 612         /*for tuning or test*/
 613         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 614         lc->sip_conf.register_only_when_network_is_up=
 615                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 616         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 617         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 618         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 619         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 620         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 621         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 622         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 623 }
 624
 625 static void rtp_config_read(LinphoneCore *lc)
 626 {
 627         int port;
 628         int jitt_comp;
 629         int nortp_timeout;
 630         bool_t rtp_no_xmit_on_audio_mute;
 631         bool_t adaptive_jitt_comp_enabled;
 632
 633         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 634         linphone_core_set_audio_port(lc,port);
 635
 636         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 637         if (port==0) port=9078;
 638         linphone_core_set_video_port(lc,port);
 639
 640         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 641         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 642         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 643         if (jitt_comp==0) jitt_comp=60;
 644         linphone_core_set_video_jittcomp(lc,jitt_comp);
 645         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 646         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 647         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 648         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 649         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 650         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 651         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 652         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 653 }
 654
 655 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 656         PayloadType *candidate=NULL;
 657         int i;
 658         PayloadType *it;
 659         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 660                 it=rtp_profile_get_payload(prof,i);
 661                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 662                         && (clock_rate==it->clock_rate || clock_rate<=0)
 663                         && (channels==it->channels || channels<=0) ){
 664                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 665                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 666                                 /*exact match*/
 667                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 668                                 return it;
 669                         }else {
 670                                 if (candidate){
 671                                         if (it->recv_fmtp==NULL) candidate=it;
 672                                 }else candidate=it;
 673                         }
 674                 }
 675         }
 676         if (candidate && recv_fmtp){
 677                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 678         }
 679         return candidate;
 680 }
 681
 682 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 683         char codeckey[50];
 684         const char *mime,*fmtp;
 685         int rate,channels,enabled;
 686         PayloadType *pt;
 687
 688         *ret=NULL;
 689         snprintf(codeckey,50,"%s_%i",type,index);
 690         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 691         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 692
 693         rate=lp_config_get_int(config,codeckey,"rate",8000);
 694         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 695         channels=lp_config_get_int(config,codeckey,"channels",0);
 696         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 697         pt=find_payload(&av_profile,mime,rate,channels,fmtp);
 698         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 699         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 700         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 701                         mime,rate,fmtp ? fmtp : "");
 702         *ret=pt;
 703         return TRUE;
 704 }
 705
 706 #define RANK_END 10000
 707
 708 typedef struct codec_desc{
 709         const char *name;
 710         int rate;
 711 }codec_desc_t;
 712
 713 static codec_desc_t codec_pref_order[]={
 714         {"SILK", 16000},
 715         {"speex", 16000},
 716         {"speex", 8000},
 717         {"pcmu",8000},
 718         {"pcma",8000},
 719         {"VP8",90000},
 720         {"H264",90000},
 721         {"MP4V-ES",90000},
 722         {NULL,0}
 723 };
 724
 725 static int find_codec_rank(const char *mime, int clock_rate){
 726         int i;
 727         for(i=0;codec_pref_order[i].name!=NULL;++i){
 728                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 729                         return i;
 730         }
 731         return RANK_END;
 732 }
 733
 734 static int codec_compare(const PayloadType *a, const PayloadType *b){
 735         int ra,rb;
 736         ra=find_codec_rank(a->mime_type,a->clock_rate);
 737         rb=find_codec_rank(b->mime_type,b->clock_rate);
 738         if (ra>rb) return 1;
 739         if (ra<rb) return -1;
 740         return 0;
 741 }
 742
 743 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 744         int i;
 745         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 746                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 747                 if (pt){
 748                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 749                                 pt=NULL;
 750                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 751                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 752                                 pt=NULL;
 753                         }
 754                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 755                                 if (ms_list_find(l,pt)==NULL){
 756                                         /*unranked codecs are disabled by default*/
 757                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 758                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 759                                         }
 760                                         ms_message("Adding new codec %s/%i with fmtp %s",
 761                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 762                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 763                                 }
 764                         }
 765                 }
 766         }
 767         return l;
 768 }
 769
 770 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 771         MSList *elem;
 772         for (elem=l;elem!=NULL;elem=elem->next){
 773                 PayloadType *ept=(PayloadType*)elem->data;
 774                 if (pt==ept)
 775                         return l;
 776         }
 777         l=ms_list_append(l,pt);
 778         return l;
 779 }
 780
 781 static void codecs_config_read(LinphoneCore *lc)
 782 {
 783         int i;
 784         PayloadType *pt;
 785         MSList *audio_codecs=NULL;
 786         MSList *video_codecs=NULL;
 787         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 788                 if (pt){
 789                         if (!ms_filter_codec_supported(pt->mime_type)){
 790                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 791                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 792                 }
 793         }
 794         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 795         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 796                 if (pt){
 797                         if (!ms_filter_codec_supported(pt->mime_type)){
 798                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 799                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 800                 }
 801         }
 802         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 803         linphone_core_set_audio_codecs(lc,audio_codecs);
 804         linphone_core_set_video_codecs(lc,video_codecs);
 805         linphone_core_update_allocated_audio_bandwidth(lc);
 806 }
 807
 808 static void build_video_devices_table(LinphoneCore *lc){
 809         const MSList *elem;
 810         int i;
 811         int ndev;
 812         const char **devices;
 813         if (lc->video_conf.cams)
 814                 ms_free(lc->video_conf.cams);
 815         /* retrieve all video devices */
 816         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 817         ndev=ms_list_size(elem);
 818         devices=ms_malloc((ndev+1)*sizeof(const char *));
 819         for (i=0;elem!=NULL;elem=elem->next,i++){
 820                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 821         }
 822         devices[ndev]=NULL;
 823         lc->video_conf.cams=devices;
 824 }
 825
 826 static void video_config_read(LinphoneCore *lc){
 827 #ifdef VIDEO_ENABLED
 828         int capture, display, self_view;
 829 #endif
 830         const char *str;
 831 #ifdef VIDEO_ENABLED
 832         LinphoneVideoPolicy vpol;
 833         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 834 #endif
 835         build_video_devices_table(lc);
 836
 837         str=lp_config_get_string(lc->config,"video","device",NULL);
 838         if (str && str[0]==0) str=NULL;
 839         linphone_core_set_video_device(lc,str);
 840
 841         linphone_core_set_preferred_video_size_by_name(lc,
 842                 lp_config_get_string(lc->config,"video","size","cif"));
 843
 844 #ifdef VIDEO_ENABLED
 845         capture=lp_config_get_int(lc->config,"video","capture",1);
 846         display=lp_config_get_int(lc->config,"video","display",1);
 847         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 848         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 849         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 850         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 851         if(lc->video_conf.displaytype)
 852                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 853
 854         linphone_core_enable_video(lc,capture,display);
 855         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 856         linphone_core_enable_self_view(lc,self_view);
 857         linphone_core_set_video_policy(lc,&vpol);
 858 #endif
 859 }
 860
 861 static void ui_config_read(LinphoneCore *lc)
 862 {
 863         LinphoneFriend *lf;
 864         int i;
 865         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 866                 linphone_core_add_friend(lc,lf);
 867         }
 868         call_logs_read_from_config_file(lc);
 869 }
 870
 871 /*
 872 static void autoreplier_config_init(LinphoneCore *lc)
 873 {
 874         autoreplier_config_t *config=&lc->autoreplier_conf;
 875         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 876         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 877         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 878         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 879         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 880         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 881 }
 882 */
 883
 884 bool_t linphone_core_tunnel_available(void){
 885 #ifdef TUNNEL_ENABLED
 886         return TRUE;
 887 #else
 888         return FALSE;
 889 #endif
 890 }
 891
 892 /**
 893  * Enable adaptive rate control (experimental feature, audio-only).
 894  *
 895  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 896  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 897  * available bandwidth.
 898 **/
 899 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 900         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 901 }
 902
 903 /**
 904  * Returns whether adaptive rate control is enabled.
 905  *
 906  * See linphone_core_enable_adaptive_rate_control().
 907 **/
 908 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 909         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 910 }
 911
 912 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 913         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 914 }
 915
 916 /**
 917  * Sets maximum available download bandwidth
 918  *
 919  * @ingroup media_parameters
 920  *
 921  * This is IP bandwidth, in kbit/s.
 922  * This information is used signaled to other parties during
 923  * calls (within SDP messages) so that the remote end can have
 924  * sufficient knowledge to properly configure its audio & video
 925  * codec output bitrate to not overflow available bandwidth.
 926  *
 927  * @param lc the LinphoneCore object
 928  * @param bw the bandwidth in kbits/s, 0 for infinite
 929  */
 930 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 931         lc->net_conf.download_bw=bw;
 932         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 933 }
 934
 935 /**
 936  * Sets maximum available upload bandwidth
 937  *
 938  * @ingroup media_parameters
 939  *
 940  * This is IP bandwidth, in kbit/s.
 941  * This information is used by liblinphone together with remote
 942  * side available bandwidth signaled in SDP messages to properly
 943  * configure audio & video codec's output bitrate.
 944  *
 945  * @param lc the LinphoneCore object
 946  * @param bw the bandwidth in kbits/s, 0 for infinite
 947  */
 948 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 949         lc->net_conf.upload_bw=bw;
 950         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 951 }
 952
 953 /**
 954  * Retrieve the maximum available download bandwidth.
 955  *
 956  * @ingroup media_parameters
 957  *
 958  * This value was set by linphone_core_set_download_bandwidth().
 959  *
 960 **/
 961 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 962         return lc->net_conf.download_bw;
 963 }
 964
 965 /**
 966  * Retrieve the maximum available upload bandwidth.
 967  *
 968  * @ingroup media_parameters
 969  *
 970  * This value was set by linphone_core_set_upload_bandwidth().
 971  *
 972 **/
 973 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 974         return lc->net_conf.upload_bw;
 975 }
 976 /**
 977  * Set audio packetization time linphone expects to receive from peer
 978  */
 979 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 980         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
 981 }
 982
 983 /**
 984  * Get audio packetization time linphone expects to receive from peer
 985  */
 986 int linphone_core_get_download_ptime(LinphoneCore *lc) {
 987         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
 988 }
 989
 990 /**
 991  * Set audio packetization time linphone will send (in absence of requirement from peer)
 992  * A value of 0 stands for the current codec default packetization time.
 993  *
 994 **/
 995 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
 996         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
 997 }
 998
 999 /**
1000  * Set audio packetization time linphone will send (in absence of requirement from peer)
1001  * A value of 0 stands for the current codec default packetization time.
1002  *
1003 **/
1004 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1005         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1006 }
1007
1008
1009
1010 /**
1011  * Returns liblinphone's version as a string.
1012  *
1013  * @ingroup misc
1014  *
1015 **/
1016 const char * linphone_core_get_version(void){
1017         return liblinphone_version;
1018 }
1019
1020 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1021         PayloadType *pt;
1022         pt=payload_type_clone(const_pt);
1023         if (number==-1){
1024                 /*look for a free number */
1025                 MSList *elem;
1026                 int i;
1027                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1028                         bool_t already_assigned=FALSE;
1029                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1030                                 PayloadType *it=(PayloadType*)elem->data;
1031                                 if (payload_type_get_number(it)==i){
1032                                         already_assigned=TRUE;
1033                                         break;
1034                                 }
1035                         }
1036                         if (!already_assigned){
1037                                 number=i;
1038                                 lc->dyn_pt=i+1;
1039                                 break;
1040                         }
1041                 }
1042                 if (number==-1){
1043                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1044                 }
1045         }
1046         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1047         payload_type_set_number(pt,number);
1048         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1049         rtp_profile_set_payload(&av_profile,number,pt);
1050         lc->payload_types=ms_list_append(lc->payload_types,pt);
1051 }
1052
1053 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1054         RtpProfile *prof=&av_profile;
1055         int i;
1056         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1057                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1058                 if (pt){
1059                         if (payload_type_get_number(pt)!=i){
1060                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1061                         }
1062                 }
1063         }
1064 }
1065
1066 static void linphone_core_free_payload_types(LinphoneCore *lc){
1067         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1068         ms_list_free(lc->payload_types);
1069         lc->payload_types=NULL;
1070 }
1071
1072 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1073         lc->state=gstate;
1074         if (lc->vtable.global_state_changed){
1075                 lc->vtable.global_state_changed(lc,gstate,message);
1076         }
1077 }
1078 static void misc_config_read (LinphoneCore *lc) {
1079         LpConfig *config=lc->config;
1080     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1081     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1082 }
1083
1084
1085
1086
1087 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1088     const char *factory_config_path, void * userdata)
1089 {
1090         memset (lc, 0, sizeof (LinphoneCore));
1091         lc->data=userdata;
1092         lc->ringstream_autorelease=TRUE;
1093
1094         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1095
1096         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1097         ortp_init();
1098         lc->dyn_pt=96;
1099         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1100         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1101         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1102         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1103         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1104         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1105         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1106         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1107
1108 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1109         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1110          - to workaround potential packet losses
1111          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1112          */
1113         _linphone_core_configure_resolver();
1114 #endif
1115
1116 #ifdef ENABLE_NONSTANDARD_GSM
1117         {
1118                 PayloadType *pt;
1119                 pt=payload_type_clone(&payload_type_gsm);
1120                 pt->clock_rate=11025;
1121                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1122                 pt->clock_rate=22050;
1123                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1124                 payload_type_destroy(pt);
1125         }
1126 #endif
1127
1128 #ifdef VIDEO_ENABLED
1129         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1130         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1131         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1132         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1133         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1134         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1135         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1136         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1137         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1138 #endif
1139
1140         /*add all payload type for which we don't care about the number */
1141         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1142         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1143         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1144         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1145         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1146         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1147         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1148         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1149         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1150         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1151         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1152         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1153         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1154         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1155         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1156         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1157         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1158         linphone_core_handle_static_payloads(lc);
1159
1160         ms_init();
1161         /* create a mediastreamer2 event queue and set it as global */
1162         /* This allows to run event's callback in linphone_core_iterate() */
1163         lc->msevq=ms_event_queue_new();
1164         ms_set_global_event_queue(lc->msevq);
1165
1166         lc->config=lp_config_new(config_path);
1167         if (factory_config_path)
1168                 lp_config_read_file(lc->config,factory_config_path);
1169
1170         lc->sal=sal_init();
1171         sal_set_user_pointer(lc->sal,lc);
1172         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1173
1174         sip_setup_register_all();
1175         sound_config_read(lc);
1176         net_config_read(lc);
1177         rtp_config_read(lc);
1178         codecs_config_read(lc);
1179         sip_config_read(lc); /* this will start eXosip*/
1180         video_config_read(lc);
1181         //autoreplier_config_init(&lc->autoreplier_conf);
1182         lc->presence_mode=LinphoneStatusOnline;
1183         misc_config_read(lc);
1184         ui_config_read(lc);
1185 #ifdef TUNNEL_ENABLED
1186         lc->tunnel=linphone_core_tunnel_new(lc);
1187         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1188 #endif
1189         if (lc->vtable.display_status)
1190                 lc->vtable.display_status(lc,_("Ready"));
1191         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1192         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1193 }
1194
1195 /**
1196  * Instanciates a LinphoneCore object.
1197  * @ingroup initializing
1198  *
1199  * The LinphoneCore object is the primary handle for doing all phone actions.
1200  * It should be unique within your application.
1201  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1202  * @param config_path a path to a config file. If it does not exists it will be created.
1203  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1204  *             become persistent over the life of the LinphoneCore object.
1205  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1206  * @param factory_config_path a path to a read-only config file that can be used to
1207  *        to store hard-coded preference such as proxy settings or internal preferences.
1208  *        The settings in this factory file always override the one in the normal config file.
1209  *        It is OPTIONAL, use NULL if unneeded.
1210  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1211  *        callbacks) using linphone_core_get_user_data().
1212  *
1213 **/
1214 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1215                                                 const char *config_path, const char *factory_config_path, void * userdata)
1216 {
1217         LinphoneCore *core=ms_new(LinphoneCore,1);
1218         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1219         return core;
1220 }
1221
1222 /**
1223  * Returns the list of available audio codecs.
1224  *
1225  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1226  * structure holding the codec information.
1227  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1228  * (such as the order of codecs).
1229 **/
1230 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1231 {
1232         return lc->codecs_conf.audio_codecs;
1233 }
1234
1235 /**
1236  * Returns the list of available video codecs.
1237  *
1238  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1239  * structure holding the codec information.
1240  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1241  * (such as the order of codecs).
1242 **/
1243 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1244 {
1245         return lc->codecs_conf.video_codecs;
1246 }
1247
1248 /**
1249  * Sets the local "from" identity.
1250  *
1251  * @ingroup proxies
1252  * This data is used in absence of any proxy configuration or when no
1253  * default proxy configuration is set. See LinphoneProxyConfig
1254 **/
1255 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1256 {
1257         LinphoneAddress *ctt;
1258
1259         if ((ctt=linphone_address_new(contact))==0) {
1260                 ms_error("Bad contact url: %s",contact);
1261                 return -1;
1262         }
1263         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1264         lc->sip_conf.contact=ms_strdup(contact);
1265         if (lc->sip_conf.guessed_contact!=NULL){
1266                 ms_free(lc->sip_conf.guessed_contact);
1267                 lc->sip_conf.guessed_contact=NULL;
1268         }
1269         linphone_address_destroy(ctt);
1270         return 0;
1271 }
1272
1273
1274 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1275 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1276         const char *ip;
1277         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1278             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1279                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1280                 return;
1281         }
1282         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1283                 return;
1284         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1285         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1286 }
1287
1288 static void update_primary_contact(LinphoneCore *lc){
1289         char *guessed=NULL;
1290         char tmp[LINPHONE_IPADDR_SIZE];
1291
1292         LinphoneAddress *url;
1293         if (lc->sip_conf.guessed_contact!=NULL){
1294                 ms_free(lc->sip_conf.guessed_contact);
1295                 lc->sip_conf.guessed_contact=NULL;
1296         }
1297         url=linphone_address_new(lc->sip_conf.contact);
1298         if (!url){
1299                 ms_error("Could not parse identity contact !");
1300                 url=linphone_address_new("sip:unknown@unkwownhost");
1301         }
1302         linphone_core_get_local_ip(lc, NULL, tmp);
1303         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1304                 ms_warning("Local loopback network only !");
1305                 lc->sip_conf.loopback_only=TRUE;
1306         }else lc->sip_conf.loopback_only=FALSE;
1307         linphone_address_set_domain(url,tmp);
1308         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1309         guessed=linphone_address_as_string(url);
1310         lc->sip_conf.guessed_contact=guessed;
1311         linphone_address_destroy(url);
1312 }
1313
1314 /**
1315  * Returns the default identity when no proxy configuration is used.
1316  *
1317  * @ingroup proxies
1318 **/
1319 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1320         char *identity;
1321
1322         if (lc->sip_conf.guess_hostname){
1323                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1324                         update_primary_contact(lc);
1325                 }
1326                 identity=lc->sip_conf.guessed_contact;
1327         }else{
1328                 identity=lc->sip_conf.contact;
1329         }
1330         return identity;
1331 }
1332
1333 /**
1334  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1335  *
1336  * @ingroup proxies
1337 **/
1338 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1339         lc->sip_conf.guess_hostname=val;
1340 }
1341
1342 /**
1343  * Returns TRUE if hostname part of primary contact is guessed automatically.
1344  *
1345  * @ingroup proxies
1346 **/
1347 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1348         return lc->sip_conf.guess_hostname;
1349 }
1350
1351 /**
1352  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1353  * instead of const char*
1354  *
1355  * @ingroup proxies
1356 **/
1357 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1358         return linphone_address_new(linphone_core_get_primary_contact(lc));
1359 }
1360
1361 /**
1362  * Sets the list of audio codecs.
1363  *
1364  * @ingroup media_parameters
1365  * The list is taken by the LinphoneCore thus the application should not free it.
1366  * This list is made of struct PayloadType describing the codec parameters.
1367 **/
1368 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1369 {
1370         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1371         lc->codecs_conf.audio_codecs=codecs;
1372         _linphone_core_codec_config_write(lc);
1373         return 0;
1374 }
1375
1376 /**
1377  * Sets the list of video codecs.
1378  *
1379  * @ingroup media_parameters
1380  * The list is taken by the LinphoneCore thus the application should not free it.
1381  * This list is made of struct PayloadType describing the codec parameters.
1382 **/
1383 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1384 {
1385         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1386         lc->codecs_conf.video_codecs=codecs;
1387         _linphone_core_codec_config_write(lc);
1388         return 0;
1389 }
1390
1391 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1392 {
1393         return lc->friends;
1394 }
1395
1396 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1397 {
1398         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1399 }
1400
1401 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1402 {
1403         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1404 }
1405
1406 /**
1407  * Returns the nominal audio jitter buffer size in milliseconds.
1408  *
1409  * @ingroup media_parameters
1410 **/
1411 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1412 {
1413         return lc->rtp_conf.audio_jitt_comp;
1414 }
1415
1416 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1417 {
1418         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1419 }
1420
1421 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1422 {
1423         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1424 }
1425
1426 /**
1427  * Returns the nominal video jitter buffer size in milliseconds.
1428  *
1429  * @ingroup media_parameters
1430 **/
1431 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1432 {
1433         return lc->rtp_conf.video_jitt_comp;
1434 }
1435
1436 /**
1437  * Returns the UDP port used for audio streaming.
1438  *
1439  * @ingroup network_parameters
1440 **/
1441 int linphone_core_get_audio_port(const LinphoneCore *lc)
1442 {
1443         return lc->rtp_conf.audio_rtp_port;
1444 }
1445
1446 /**
1447  * Returns the UDP port used for video streaming.
1448  *
1449  * @ingroup network_parameters
1450 **/
1451 int linphone_core_get_video_port(const LinphoneCore *lc){
1452         return lc->rtp_conf.video_rtp_port;
1453 }
1454
1455
1456 /**
1457  * Returns the value in seconds of the no-rtp timeout.
1458  *
1459  * @ingroup media_parameters
1460  * When no RTP or RTCP packets have been received for a while
1461  * LinphoneCore will consider the call is broken (remote end crashed or
1462  * disconnected from the network), and thus will terminate the call.
1463  * The no-rtp timeout is the duration above which the call is considered broken.
1464 **/
1465 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1466         return lc->rtp_conf.nortp_timeout;
1467 }
1468
1469 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1470         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1471 }
1472
1473 /**
1474  * Sets the nominal audio jitter buffer size in milliseconds.
1475  *
1476  * @ingroup media_parameters
1477 **/
1478 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1479 {
1480         lc->rtp_conf.audio_jitt_comp=value;
1481 }
1482
1483 /**
1484  * Sets the nominal video jitter buffer size in milliseconds.
1485  *
1486  * @ingroup media_parameters
1487 **/
1488 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1489 {
1490         lc->rtp_conf.video_jitt_comp=value;
1491 }
1492
1493 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1494         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1495 }
1496
1497 /**
1498  * Sets the UDP port used for audio streaming.
1499  *
1500  * @ingroup network_parameters
1501 **/
1502 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1503 {
1504         lc->rtp_conf.audio_rtp_port=port;
1505 }
1506
1507 /**
1508  * Sets the UDP port used for video streaming.
1509  *
1510  * @ingroup network_parameters
1511 **/
1512 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1513         lc->rtp_conf.video_rtp_port=port;
1514 }
1515
1516 /**
1517  * Sets the no-rtp timeout value in seconds.
1518  *
1519  * @ingroup media_parameters
1520  * See linphone_core_get_nortp_timeout() for details.
1521 **/
1522 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1523         lc->rtp_conf.nortp_timeout=nortp_timeout;
1524 }
1525
1526 /**
1527  * Indicates whether SIP INFO is used for sending digits.
1528  *
1529  * @ingroup media_parameters
1530 **/
1531 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1532 {
1533         return lc->sip_conf.use_info;
1534 }
1535
1536 /**
1537  * Sets whether SIP INFO is to be used for sending digits.
1538  *
1539  * @ingroup media_parameters
1540 **/
1541 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1542 {
1543         lc->sip_conf.use_info=use_info;
1544 }
1545
1546 /**
1547  * Indicates whether RFC2833 is used for sending digits.
1548  *
1549  * @ingroup media_parameters
1550 **/
1551 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1552 {
1553         return lc->sip_conf.use_rfc2833;
1554 }
1555
1556 /**
1557  * Sets whether RFC2833 is to be used for sending digits.
1558  *
1559  * @ingroup media_parameters
1560 **/
1561 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1562 {
1563         lc->sip_conf.use_rfc2833=use_rfc2833;
1564 }
1565
1566 /**
1567  * Returns the UDP port used by SIP.
1568  *
1569  * Deprecated: use linphone_core_get_sip_transports() instead.
1570  * @ingroup network_parameters
1571 **/
1572 int linphone_core_get_sip_port(LinphoneCore *lc)
1573 {
1574         LCSipTransports *tr=&lc->sip_conf.transports;
1575         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1576 }
1577
1578 static char _ua_name[64]="Linphone";
1579 static char _ua_version[64]=LINPHONE_VERSION;
1580
1581 #ifdef HAVE_EXOSIP_GET_VERSION
1582 extern const char *eXosip_get_version();
1583 #endif
1584
1585 static void apply_user_agent(LinphoneCore *lc){
1586         char ua_string[256];
1587         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1588 #ifdef HAVE_EXOSIP_GET_VERSION
1589                  eXosip_get_version()
1590 #else
1591                  "unknown"
1592 #endif
1593         );
1594         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1595 }
1596
1597 /**
1598  * Sets the user agent string used in SIP messages.
1599  *
1600  * @ingroup misc
1601 **/
1602 void linphone_core_set_user_agent(const char *name, const char *ver){
1603         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1604         strncpy(_ua_version,ver,sizeof(_ua_version));
1605 }
1606
1607 const char *linphone_core_get_user_agent_name(void){
1608         return _ua_name;
1609 }
1610
1611 const char *linphone_core_get_user_agent_version(void){
1612         return _ua_version;
1613 }
1614
1615 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1616         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1617         ms_warning("%s",msg);
1618         if (lc->vtable.display_warning)
1619                 lc->vtable.display_warning(lc,msg);
1620         ms_free(msg);
1621 }
1622
1623 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1624         return
1625                 tr2->udp_port==tr1->udp_port &&
1626                 tr2->tcp_port==tr1->tcp_port &&
1627                 tr2->dtls_port==tr1->dtls_port &&
1628                 tr2->tls_port==tr1->tls_port;
1629 }
1630
1631 static int apply_transports(LinphoneCore *lc){
1632         Sal *sal=lc->sal;
1633         const char *anyaddr;
1634         LCSipTransports *tr=&lc->sip_conf.transports;
1635
1636         /*first of all invalidate all current registrations so that we can register again with new transports*/
1637         __linphone_core_invalidate_registers(lc);
1638
1639         if (lc->sip_conf.ipv6_enabled)
1640                 anyaddr="::0";
1641         else
1642                 anyaddr="0.0.0.0";
1643
1644         sal_unlisten_ports(sal);
1645         if (tr->udp_port>0){
1646                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1647                         transport_error(lc,"udp",tr->udp_port);
1648                         return -1;
1649                 }
1650         }
1651         if (tr->tcp_port>0){
1652                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1653                         transport_error(lc,"tcp",tr->tcp_port);
1654                 }
1655         }
1656         if (tr->tls_port>0){
1657                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1658                         transport_error(lc,"tls",tr->tls_port);
1659                 }
1660         }
1661         apply_user_agent(lc);
1662         return 0;
1663 }
1664
1665 /**
1666  * Sets the ports to be used for each of transport (UDP or TCP)
1667  *
1668  * A zero value port for a given transport means the transport
1669  * is not used.
1670  *
1671  * @ingroup network_parameters
1672 **/
1673 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1674
1675         if (transports_unchanged(tr,&lc->sip_conf.transports))
1676                 return 0;
1677         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1678
1679         if (linphone_core_ready(lc)){
1680                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1681                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1682                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1683         }
1684
1685         if (lc->sal==NULL) return 0;
1686         return apply_transports(lc);
1687 }
1688
1689 /**
1690  * Retrieves the ports used for each transport (udp, tcp).
1691  * A zero value port for a given transport means the transport
1692  * is not used.
1693  * @ingroup network_parameters
1694 **/
1695 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1696         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1697         return 0;
1698 }
1699
1700 /**
1701  * Sets the UDP port to be used by SIP.
1702  *
1703  * Deprecated: use linphone_core_set_sip_transports() instead.
1704  * @ingroup network_parameters
1705 **/
1706 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1707 {
1708         LCSipTransports tr;
1709         memset(&tr,0,sizeof(tr));
1710         tr.udp_port=port;
1711         linphone_core_set_sip_transports (lc,&tr);
1712 }
1713
1714 /**
1715  * Returns TRUE if IPv6 is enabled.
1716  *
1717  * @ingroup network_parameters
1718  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1719 **/
1720 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1721         return lc->sip_conf.ipv6_enabled;
1722 }
1723
1724 /**
1725  * Turns IPv6 support on or off.
1726  *
1727  * @ingroup network_parameters
1728  *
1729  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1730  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1731  * By default IPv6 support is off.
1732 **/
1733 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1734         if (lc->sip_conf.ipv6_enabled!=val){
1735                 lc->sip_conf.ipv6_enabled=val;
1736                 if (lc->sal){
1737                         /* we need to restart eXosip */
1738                         apply_transports(lc);
1739                 }
1740         }
1741 }
1742
1743
1744 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1745         static time_t last_check=0;
1746         static bool_t last_status=FALSE;
1747         char result[LINPHONE_IPADDR_SIZE];
1748         bool_t new_status=last_status;
1749
1750         /* only do the network up checking every five seconds */
1751         if (last_check==0 || (curtime-last_check)>=5){
1752                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1753                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1754                         new_status=TRUE;
1755                 }else new_status=FALSE;
1756                 last_check=curtime;
1757                 if (new_status!=last_status) {
1758                         if (new_status){
1759                                 ms_message("New local ip address is %s",result);
1760                         }
1761                         set_network_reachable(lc,new_status, curtime);
1762                         last_status=new_status;
1763                 }
1764         }
1765 }
1766
1767 static void proxy_update(LinphoneCore *lc){
1768         MSList *elem,*next;
1769         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1770         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1771                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1772                 next=elem->next;
1773                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1774                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1775                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1776                         linphone_proxy_config_destroy(cfg);
1777                 }
1778         }
1779 }
1780
1781 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1782         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1783         if (lf!=NULL){
1784                 lf->info=info;
1785                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1786                 if (lc->vtable.buddy_info_updated)
1787                         lc->vtable.buddy_info_updated(lc,lf);
1788         }else{
1789                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1790         }
1791 }
1792
1793 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1794         MSList *elem;
1795         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1796         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1797                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1798                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1799                         if (req->results!=NULL){
1800                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1801                                 ms_list_free(req->results);
1802                                 req->results=NULL;
1803                                 assign_buddy_info(lc,i);
1804                         }
1805                         sip_setup_context_buddy_lookup_free(ctx,req);
1806                         elem->data=NULL;
1807                 }
1808         }
1809         /*purge completed requests */
1810         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1811                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1812         }
1813 }
1814
1815 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1816         const MSList *elem;
1817         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1818         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1819                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1820                 if (lf->info==NULL){
1821                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1822                                 if (linphone_address_get_username(lf->uri)!=NULL){
1823                                         BuddyLookupRequest *req;
1824                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1825                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1826                                         buddy_lookup_request_set_key(req,tmp);
1827                                         buddy_lookup_request_set_max_results(req,1);
1828                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1829                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1830                                         ms_free(tmp);
1831                                 }
1832                         }
1833                 }
1834         }
1835 }
1836
1837 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1838         LinphoneProxyConfig *cfg=NULL;
1839         linphone_core_get_default_proxy(lc,&cfg);
1840         if (cfg){
1841                 if (lc->bl_refresh){
1842                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1843                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1844                                 linphone_core_grab_buddy_infos(lc,cfg);
1845                                 lc->bl_refresh=FALSE;
1846                         }
1847                 }
1848                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1849         }
1850 }
1851
1852 /**
1853  * Main loop function. It is crucial that your application call it periodically.
1854  *
1855  * @ingroup initializing
1856  * linphone_core_iterate() performs various backgrounds tasks:
1857  * - receiving of SIP messages
1858  * - handles timers and timeout
1859  * - performs registration to proxies
1860  * - authentication retries
1861  * The application MUST call this function periodically, in its main loop.
1862  * Be careful that this function must be called from the same thread as
1863  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1864  * serialized with a mutex.
1865 **/
1866 void linphone_core_iterate(LinphoneCore *lc){
1867         MSList *calls;
1868         LinphoneCall *call;
1869         time_t curtime=time(NULL);
1870         int elapsed;
1871         bool_t one_second_elapsed=FALSE;
1872
1873         if (curtime-lc->prevtime>=1){
1874                 lc->prevtime=curtime;
1875                 one_second_elapsed=TRUE;
1876         }
1877
1878         if (lc->ecc!=NULL){
1879                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1880                 if (ecs!=LinphoneEcCalibratorInProgress){
1881                         if (lc->ecc->cb)
1882                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1883                         if (ecs==LinphoneEcCalibratorDone){
1884                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1885                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1886                         }
1887                         ec_calibrator_destroy(lc->ecc);
1888                         lc->ecc=NULL;
1889                 }
1890         }
1891
1892         if (lc->preview_finished){
1893                 lc->preview_finished=0;
1894                 ring_stop(lc->ringstream);
1895                 lc->ringstream=NULL;
1896                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1897         }
1898
1899         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1900             && (curtime-lc->dmfs_playing_start_time)>5){
1901                 ring_stop(lc->ringstream);
1902                 lc->ringstream=NULL;
1903                 lc->dmfs_playing_start_time=0;
1904         }
1905
1906         sal_iterate(lc->sal);
1907         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1908         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1909
1910         proxy_update(lc);
1911
1912         //we have to iterate for each call
1913         calls= lc->calls;
1914         while(calls!= NULL){
1915                 call = (LinphoneCall *)calls->data;
1916                  /* get immediately a reference to next one in case the one
1917                  we are going to examine is destroy and removed during
1918                  linphone_core_start_invite() */
1919                 calls=calls->next;
1920                 linphone_call_background_tasks(call,one_second_elapsed);
1921                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1922                         /*start the call even if the OPTIONS reply did not arrive*/
1923                         if (call->ice_session != NULL) {
1924                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
1925                                                 ,linphone_core_get_stun_server(lc));
1926                                 linphone_call_delete_ice_session(call);
1927                                 linphone_call_stop_media_streams_for_ice_gathering(call);
1928                         }
1929                         linphone_core_start_invite(lc,call);
1930                 }
1931                 if (call->state==LinphoneCallIncomingReceived){
1932                         elapsed=curtime-call->start_time;
1933                         ms_message("incoming call ringing for %i seconds",elapsed);
1934                         if (elapsed>lc->sip_conf.inc_timeout){
1935                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
1936                                 call->log->status=LinphoneCallMissed;
1937                                 call->reason=LinphoneReasonNotAnswered;
1938                                 linphone_core_terminate_call(lc,call);
1939                         }
1940                 }
1941         }
1942
1943         if (linphone_core_video_preview_enabled(lc)){
1944                 if (lc->previewstream==NULL && lc->calls==NULL)
1945                         toggle_video_preview(lc,TRUE);
1946 #ifdef VIDEO_ENABLED
1947                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1948 #endif
1949         }else{
1950                 if (lc->previewstream!=NULL)
1951                         toggle_video_preview(lc,FALSE);
1952         }
1953
1954         linphone_core_run_hooks(lc);
1955         linphone_core_do_plugin_tasks(lc);
1956
1957         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1958             (curtime-lc->netup_time)>3){
1959                 linphone_core_send_initial_subscribes(lc);
1960                 lc->initial_subscribes_sent=TRUE;
1961         }
1962
1963         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1964                 lp_config_sync(lc->config);
1965         }
1966 }
1967
1968 /**
1969  * Interpret a call destination as supplied by the user, and returns a fully qualified
1970  * LinphoneAddress.
1971  *
1972  * A sip address should look like DisplayName <sip:username@domain:port> .
1973  * Basically this function performs the following tasks
1974  * - if a phone number is entered, prepend country prefix of the default proxy
1975  *   configuration, eventually escape the '+' by 00.
1976  * - if no domain part is supplied, append the domain name of the default proxy
1977  * - if no sip: is present, prepend it
1978  *
1979  * The result is a syntaxically correct SIP address.
1980 **/
1981
1982 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1983         enum_lookup_res_t *enumres=NULL;
1984         char *enum_domain=NULL;
1985         LinphoneProxyConfig *proxy=lc->default_proxy;;
1986         char *tmpurl;
1987         LinphoneAddress *uri;
1988
1989         if (is_enum(url,&enum_domain)){
1990                 if (lc->vtable.display_status!=NULL)
1991                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1992                 if (enum_lookup(enum_domain,&enumres)<0){
1993                         if (lc->vtable.display_status!=NULL)
1994                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1995                         ms_free(enum_domain);
1996                         return NULL;
1997                 }
1998                 ms_free(enum_domain);
1999                 tmpurl=enumres->sip_address[0];
2000                 uri=linphone_address_new(tmpurl);
2001                 enum_lookup_res_free(enumres);
2002                 return uri;
2003         }
2004         /* check if we have a "sip:" */
2005         if (strstr(url,"sip:")==NULL){
2006                 /* this doesn't look like a true sip uri */
2007                 if (strchr(url,'@')!=NULL){
2008                         /* seems like sip: is missing !*/
2009                         tmpurl=ms_strdup_printf("sip:%s",url);
2010                         uri=linphone_address_new(tmpurl);
2011                         ms_free(tmpurl);
2012                         if (uri){
2013                                 return uri;
2014                         }
2015                 }
2016
2017                 if (proxy!=NULL){
2018                         /* append the proxy domain suffix */
2019                         const char *identity=linphone_proxy_config_get_identity(proxy);
2020                         char normalized_username[128];
2021                         uri=linphone_address_new(identity);
2022                         if (uri==NULL){
2023                                 return NULL;
2024                         }
2025                         linphone_address_set_display_name(uri,NULL);
2026                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2027                                                                 sizeof(normalized_username));
2028                         linphone_address_set_username(uri,normalized_username);
2029                         return uri;
2030                 }else return NULL;
2031         }
2032         uri=linphone_address_new(url);
2033         if (uri!=NULL){
2034                 return uri;
2035         }
2036         /* else we could not do anything with url given by user, so display an error */
2037         if (lc->vtable.display_warning!=NULL){
2038                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2039         }
2040         return NULL;
2041 }
2042
2043 /**
2044  * Returns the default identity SIP address.
2045  *
2046  * @ingroup proxies
2047  * This is an helper function:
2048  *
2049  * If no default proxy is set, this will return the primary contact (
2050  * see linphone_core_get_primary_contact() ). If a default proxy is set
2051  * it returns the registered identity on the proxy.
2052 **/
2053 const char * linphone_core_get_identity(LinphoneCore *lc){
2054         LinphoneProxyConfig *proxy=NULL;
2055         const char *from;
2056         linphone_core_get_default_proxy(lc,&proxy);
2057         if (proxy!=NULL) {
2058                 from=linphone_proxy_config_get_identity(proxy);
2059         }else from=linphone_core_get_primary_contact(lc);
2060         return from;
2061 }
2062
2063 const char * linphone_core_get_route(LinphoneCore *lc){
2064         LinphoneProxyConfig *proxy=NULL;
2065         const char *route=NULL;
2066         linphone_core_get_default_proxy(lc,&proxy);
2067         if (proxy!=NULL) {
2068                 route=linphone_proxy_config_get_route(proxy);
2069         }
2070         return route;
2071 }
2072
2073 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2074         if (call->refer_pending){
2075                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2076                 LinphoneCall *newcall;
2077                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2078                 cp->referer=call;
2079                 ms_message("Starting new call to refered address %s",call->refer_to);
2080                 call->refer_pending=FALSE;
2081                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2082                 linphone_call_params_destroy(cp);
2083                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2084         }
2085 }
2086
2087 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2088         if (referer->op!=NULL){
2089                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2090         }
2091 }
2092
2093 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2094         const MSList *elem;
2095         LinphoneProxyConfig *found_cfg=NULL;
2096         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2097
2098         /*always prefer the default proxy if it is matching the destination uri*/
2099         if (default_cfg){
2100                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2101                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2102                         return default_cfg;
2103         }
2104
2105         /*otherwise iterate through the other proxy config and return the first matching*/
2106         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2107                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2108                 const char *domain=linphone_proxy_config_get_domain(cfg);
2109                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2110                         found_cfg=cfg;
2111                         break;
2112                 }
2113         }
2114         return found_cfg;
2115 }
2116
2117 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2118         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2119         if (cfg==NULL)
2120                 linphone_core_get_default_proxy (lc,&cfg);
2121         if (cfg!=NULL){
2122                 if (route) *route=linphone_proxy_config_get_route(cfg);
2123                 return linphone_proxy_config_get_identity (cfg);
2124         }
2125         return linphone_core_get_primary_contact (lc);
2126 }
2127
2128 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2129         LinphoneAddress *ctt;
2130         const char *localip=call->localip;
2131
2132         /* first use user's supplied ip address if asked*/
2133         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2134                 ctt=linphone_core_get_primary_contact_parsed(lc);
2135                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2136                         linphone_core_get_nat_address_resolved(lc));
2137         }
2138
2139         /* if already choosed, don't change it */
2140         if (call->op && sal_op_get_contact(call->op)!=NULL){
2141                 return NULL;
2142         }
2143         /* if the ping OPTIONS request succeeded use the contact guessed from the
2144          received, rport*/
2145         if (call->ping_op){
2146                 const char *guessed=sal_op_get_contact(call->ping_op);
2147                 if (guessed){
2148                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2149                         return ms_strdup(guessed);
2150                 }
2151         }
2152
2153         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2154         if (dest_proxy && dest_proxy->op){
2155                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2156                 if (fixed_contact) {
2157                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2158                         return ms_strdup(fixed_contact);
2159                 }
2160         }
2161
2162         ctt=linphone_core_get_primary_contact_parsed(lc);
2163
2164         if (ctt!=NULL){
2165                 char *ret;
2166                 /*otherwise use supllied localip*/
2167                 linphone_address_set_domain(ctt,localip);
2168                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2169                 ret=linphone_address_as_string_uri_only(ctt);
2170                 linphone_address_destroy(ctt);
2171                 ms_message("Contact has been fixed using local ip to %s",ret);
2172                 return ret;
2173         }
2174         return NULL;
2175 }
2176
2177 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2178         bool_t ice_ready = FALSE;
2179         bool_t ping_ready = FALSE;
2180
2181         if (call->ice_session != NULL) {
2182                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2183         } else {
2184                 ice_ready = TRUE;
2185         }
2186         if (call->ping_op != NULL) {
2187                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2188         } else {
2189                 ping_ready = TRUE;
2190         }
2191
2192         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2193                 return linphone_core_start_invite(lc, call);
2194         }
2195         return 0;
2196 }
2197
2198 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2199         int err;
2200         char *contact;
2201         char *real_url,*barmsg;
2202         char *from;
2203         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2204
2205         /*try to be best-effort in giving real local or routable contact address */
2206         contact=get_fixed_contact(lc,call,dest_proxy);
2207         if (contact){
2208                 sal_op_set_contact(call->op, contact);
2209                 ms_free(contact);
2210         }
2211         linphone_core_stop_dtmf_stream(lc);
2212         linphone_call_init_media_streams(call);
2213         if (lc->ringstream==NULL)
2214                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2215         call->localdesc=create_local_media_description(lc,call);
2216         if (!lc->sip_conf.sdp_200_ack){
2217                 call->media_pending=TRUE;
2218                 sal_call_set_local_media_description(call->op,call->localdesc);
2219         }
2220         real_url=linphone_address_as_string(call->log->to);
2221         from=linphone_address_as_string(call->log->from);
2222         err=sal_call(call->op,from,real_url);
2223         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2224
2225         if (lc->sip_conf.sdp_200_ack){
2226                 call->media_pending=TRUE;
2227                 sal_call_set_local_media_description(call->op,call->localdesc);
2228         }
2229         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2230         if (lc->vtable.display_status!=NULL)
2231                 lc->vtable.display_status(lc,barmsg);
2232         ms_free(barmsg);
2233
2234         if (err<0){
2235                 if (lc->vtable.display_status!=NULL)
2236                         lc->vtable.display_status(lc,_("Could not call"));
2237                 linphone_call_stop_media_streams(call);
2238                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2239         }else {
2240                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2241         }
2242         ms_free(real_url);
2243         ms_free(from);
2244         return err;
2245 }
2246
2247 /**
2248  * Initiates an outgoing call
2249  *
2250  * @ingroup call_control
2251  * @param lc the LinphoneCore object
2252  * @param url the destination of the call (sip address, or phone number).
2253  *
2254  * The application doesn't own a reference to the returned LinphoneCall object.
2255  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2256  *
2257  * @return a LinphoneCall object or NULL in case of failure
2258 **/
2259 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2260         LinphoneCall *call;
2261         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2262         p->has_video &= !!lc->video_policy.automatically_initiate;
2263         call=linphone_core_invite_with_params(lc,url,p);
2264         linphone_call_params_destroy(p);
2265         return call;
2266 }
2267
2268
2269 /**
2270  * Initiates an outgoing call according to supplied call parameters
2271  *
2272  * @ingroup call_control
2273  * @param lc the LinphoneCore object
2274  * @param url the destination of the call (sip address, or phone number).
2275  * @param p call parameters
2276  *
2277  * The application doesn't own a reference to the returned LinphoneCall object.
2278  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2279  *
2280  * @return a LinphoneCall object or NULL in case of failure
2281 **/
2282 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2283         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2284         if (addr){
2285                 LinphoneCall *call;
2286                 call=linphone_core_invite_address_with_params(lc,addr,p);
2287                 linphone_address_destroy(addr);
2288                 return call;
2289         }
2290         return NULL;
2291 }
2292
2293 /**
2294  * Initiates an outgoing call given a destination LinphoneAddress
2295  *
2296  * @ingroup call_control
2297  * @param lc the LinphoneCore object
2298  * @param addr the destination of the call (sip address).
2299  *
2300  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2301  * created by linphone_core_interpret_url().
2302  * The application doesn't own a reference to the returned LinphoneCall object.
2303  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2304  *
2305  * @return a LinphoneCall object or NULL in case of failure
2306 **/
2307 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2308         LinphoneCall *call;
2309         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2310         p->has_video &= !!lc->video_policy.automatically_initiate;
2311         call=linphone_core_invite_address_with_params (lc,addr,p);
2312         linphone_call_params_destroy(p);
2313         return call;
2314 }
2315
2316
2317 /**
2318  * Initiates an outgoing call given a destination LinphoneAddress
2319  *
2320  * @ingroup call_control
2321  * @param lc the LinphoneCore object
2322  * @param addr the destination of the call (sip address).
2323         @param params call parameters
2324  *
2325  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2326  * created by linphone_core_interpret_url().
2327  * The application doesn't own a reference to the returned LinphoneCall object.
2328  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2329  *
2330  * @return a LinphoneCall object or NULL in case of failure
2331 **/
2332 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2333 {
2334         const char *route=NULL;
2335         const char *from=NULL;
2336         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2337         LinphoneAddress *parsed_url2=NULL;
2338         char *real_url=NULL;
2339         LinphoneCall *call;
2340         bool_t use_ice = FALSE;
2341
2342         linphone_core_preempt_sound_resources(lc);
2343
2344         if(!linphone_core_can_we_add_call(lc)){
2345                 if (lc->vtable.display_warning)
2346                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2347                 return NULL;
2348         }
2349         linphone_core_get_default_proxy(lc,&proxy);
2350         route=linphone_core_get_route(lc);
2351
2352         real_url=linphone_address_as_string(addr);
2353         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2354
2355         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2356                 ms_message("Overriding default proxy setting for this call:");
2357                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2358         }
2359
2360         if (dest_proxy!=NULL)
2361                 from=linphone_proxy_config_get_identity(dest_proxy);
2362         else if (proxy!=NULL)
2363                 from=linphone_proxy_config_get_identity(proxy);
2364
2365         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2366         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2367
2368         parsed_url2=linphone_address_new(from);
2369
2370         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2371         call->dest_proxy=dest_proxy;
2372         sal_op_set_route(call->op,route);
2373
2374         if(linphone_core_add_call(lc,call)!= 0)
2375         {
2376                 ms_warning("we had a problem in adding the call into the invite ... weird");
2377                 linphone_call_unref(call);
2378                 return NULL;
2379         }
2380         /* this call becomes now the current one*/
2381         lc->current_call=call;
2382         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2383         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2384                 /* Defer the start of the call after the ICE gathering process. */
2385                 linphone_call_init_media_streams(call);
2386                 linphone_call_start_media_streams_for_ice_gathering(call);
2387                 call->start_time=time(NULL);
2388                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2389                         /* Ice candidates gathering failed, proceed with the call anyway. */
2390                         linphone_call_delete_ice_session(call);
2391                         linphone_call_stop_media_streams_for_ice_gathering(call);
2392                 } else {
2393                         use_ice = TRUE;
2394                 }
2395         }
2396
2397         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2398                 /*defer the start of the call after the OPTIONS ping*/
2399                 call->ping_replied=FALSE;
2400                 call->ping_op=sal_op_new(lc->sal);
2401                 sal_ping(call->ping_op,from,real_url);
2402                 sal_op_set_user_pointer(call->ping_op,call);
2403                 call->start_time=time(NULL);
2404         }else{
2405                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2406         }
2407
2408         if (real_url!=NULL) ms_free(real_url);
2409         return call;
2410 }
2411
2412 /**
2413  * Performs a simple call transfer to the specified destination.
2414  *
2415  * The remote endpoint is expected to issue a new call to the specified destination.
2416  * The current call remains active and thus can be later paused or terminated.
2417 **/
2418 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2419 {
2420         char *real_url=NULL;
2421         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2422
2423         if (!real_parsed_url){
2424                 /* bad url */
2425                 return -1;
2426         }
2427         if (call==NULL){
2428                 ms_warning("No established call to refer.");
2429                 return -1;
2430         }
2431         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2432         real_url=linphone_address_as_string (real_parsed_url);
2433         sal_call_refer(call->op,real_url);
2434         ms_free(real_url);
2435         linphone_address_destroy(real_parsed_url);
2436         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2437         return 0;
2438 }
2439
2440 /**
2441  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2442  * @param lc linphone core object
2443  * @param call a running call you want to transfer
2444  * @param dest a running call whose remote person will receive the transfer
2445  *
2446  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2447  * The destination call is a call previously established to introduce the transfered person.
2448  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2449  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2450  * close the call with us (the 'dest' call).
2451 **/
2452 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2453         int result = sal_call_refer_with_replaces (call->op,dest->op);
2454         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2455         return result;
2456 }
2457
2458 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2459         LinphoneCall *call = linphone_core_get_current_call(lc);
2460         if(call != NULL)
2461         {
2462                 if(call->dir==LinphoneCallIncoming
2463                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2464                         return TRUE;
2465         }
2466         return FALSE;
2467 }
2468
2469 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2470         char *barmesg;
2471         char *tmp;
2472         LinphoneAddress *from_parsed;
2473         SalMediaDescription *md;
2474         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2475         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2476
2477         call->localdesc=create_local_media_description(lc,call);
2478         sal_call_set_local_media_description(call->op,call->localdesc);
2479         md=sal_call_get_final_media_description(call->op);
2480         if (md && sal_media_description_empty(md)){
2481                 sal_call_decline(call->op,SalReasonMedia,NULL);
2482                 linphone_call_unref(call);
2483                 return;
2484         }
2485
2486         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2487         linphone_address_clean(from_parsed);
2488         tmp=linphone_address_as_string(from_parsed);
2489         linphone_address_destroy(from_parsed);
2490         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2491             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2492         if (lc->vtable.show) lc->vtable.show(lc);
2493         if (lc->vtable.display_status)
2494             lc->vtable.display_status(lc,barmesg);
2495
2496         /* play the ring if this is the only call*/
2497         if (ms_list_size(lc->calls)==1){
2498                 lc->current_call=call;
2499                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2500                         ring_stop(lc->ringstream);
2501                         lc->ringstream=NULL;
2502                         lc->dmfs_playing_start_time=0;
2503                 }
2504                 if (lc->sound_conf.ring_sndcard!=NULL){
2505                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2506                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2507                                 ms_message("Starting local ring...");
2508                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2509                         }
2510                         else
2511                         {
2512                                 ms_message("the local ring is already started");
2513                         }
2514                 }
2515         }else{
2516                 /* else play a tone within the context of the current call */
2517                 call->ringing_beep=TRUE;
2518                 linphone_core_play_tone(lc);
2519         }
2520
2521         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2522
2523         if (call->state==LinphoneCallIncomingReceived){
2524                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2525
2526                 if (propose_early_media || ringback_tone!=NULL){
2527                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2528                         md=sal_call_get_final_media_description(call->op);
2529                         linphone_core_update_streams(lc,call,md);
2530                 }
2531                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2532                         linphone_core_accept_call(lc,call);
2533                 }
2534         }
2535         linphone_call_unref(call);
2536
2537         ms_free(barmesg);
2538         ms_free(tmp);
2539 }
2540
2541 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2542         const char *subject;
2543         call->camera_active=call->params.has_video;
2544         if (call->ice_session != NULL)
2545                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2546
2547         if (call->params.in_conference){
2548                 subject="Conference";
2549         }else{
2550                 subject="Media change";
2551         }
2552         if (lc->vtable.display_status)
2553                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2554         sal_call_set_local_media_description (call->op,call->localdesc);
2555         return sal_call_update(call->op,subject);
2556 }
2557
2558 /**
2559  * @ingroup call_control
2560  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2561  *
2562  * In this version this is limited to the following use cases:
2563  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2564  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2565  *
2566  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2567  * @param lc the core
2568  * @param call the call to be updated
2569  * @param params the new call parameters to use. (may be NULL)
2570  * @return 0 if successful, -1 otherwise.
2571 **/
2572 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2573         int err=0;
2574         if (params!=NULL){
2575                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2576 #ifdef VIDEO_ENABLED
2577                 bool_t has_video = call->params.has_video;
2578                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2579                         ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2580                         call->videostream->ice_check_list = NULL;
2581                 }
2582                 call->params = *params;
2583                 update_local_media_description(lc, call);
2584                 if ((call->ice_session != NULL) && !has_video && params->has_video) {
2585                         /* Defer call update until the ICE candidates gathering process has finished. */
2586                         ms_message("Defer call update to gather ICE candidates");
2587                         linphone_call_init_video_stream(call);
2588                         video_stream_prepare_video(call->videostream);
2589                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2590                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2591                                 linphone_call_delete_ice_session(call);
2592                         } else return err;
2593                 }
2594 #endif
2595                 err = linphone_core_start_update_call(lc, call);
2596         }else{
2597 #ifdef VIDEO_ENABLED
2598                 if (call->videostream!=NULL){
2599                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2600                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2601                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2602                         }else video_stream_update_video_params(call->videostream);
2603                 }
2604 #endif
2605         }
2606
2607         return err;
2608 }
2609
2610 /**
2611  * @ingroup call_control
2612  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2613  *
2614  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2615  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2616  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2617  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2618  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2619  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2620  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2621  *
2622  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2623 **/
2624 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2625         if (call->state==LinphoneCallUpdatedByRemote){
2626                 call->defer_update=TRUE;
2627                 return 0;
2628         }
2629         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2630         return -1;
2631 }
2632
2633 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2634         SalMediaDescription *md;
2635         if (call->ice_session != NULL) {
2636                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2637                         /* Defer the sending of the answer until there are no losing pairs left. */
2638                         return 0;
2639                 }
2640                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2641         }
2642         sal_call_set_local_media_description(call->op,call->localdesc);
2643         sal_call_accept(call->op);
2644         md=sal_call_get_final_media_description(call->op);
2645         if (md && !sal_media_description_empty(md))
2646                 linphone_core_update_streams (lc,call,md);
2647         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2648         return 0;
2649 }
2650
2651 /**
2652  * @ingroup call_control
2653  * Accept call modifications initiated by other end.
2654  *
2655  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2656  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2657  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2658  * requested by the other party, such as whether a video stream is requested.
2659  *
2660  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2661  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2662  * If params is not NULL, then the update will be accepted according to the parameters passed.
2663  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2664  * (see linphone_call_params_enable_video()).
2665  * @param lc the linphone core object.
2666  * @param call the LinphoneCall object
2667  * @param params a LinphoneCallParams object describing the call parameters to accept.
2668  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2669 **/
2670 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2671 #ifdef VIDEO_ENABLED
2672         bool_t old_has_video = call->params.has_video;
2673 #endif
2674         if (call->state!=LinphoneCallUpdatedByRemote){
2675                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2676                          linphone_call_state_to_string(call->state));
2677                 return -1;
2678         }
2679         if (params==NULL){
2680                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2681         }else
2682                 call->params=*params;
2683
2684         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2685                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2686                 call->params.has_video=FALSE;
2687         }
2688         if (call->current_params.in_conference) {
2689                 ms_warning("Video isn't supported in conference");
2690                 call->params.has_video = FALSE;
2691         }
2692         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2693         call->camera_active=call->params.has_video;
2694         update_local_media_description(lc,call);
2695         if (call->ice_session != NULL) {
2696                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2697 #ifdef VIDEO_ENABLED
2698                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2699                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2700                                 linphone_call_init_video_stream(call);
2701                                 video_stream_prepare_video(call->videostream);
2702                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2703                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2704                                         linphone_call_delete_ice_session(call);
2705                                 } else return 0;
2706                         }
2707                 }
2708 #endif
2709         }
2710         linphone_core_start_accept_call_update(lc, call);
2711         return 0;
2712 }
2713
2714 /**
2715  * Accept an incoming call.
2716  *
2717  * @ingroup call_control
2718  * Basically the application is notified of incoming calls within the
2719  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2720  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2721  * The application can later accept the call using this method.
2722  * @param lc the LinphoneCore object
2723  * @param call the LinphoneCall object representing the call to be answered.
2724  *
2725 **/
2726 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2727         return linphone_core_accept_call_with_params(lc,call,NULL);
2728 }
2729
2730 /**
2731  * Accept an incoming call, with parameters.
2732  *
2733  * @ingroup call_control
2734  * Basically the application is notified of incoming calls within the
2735  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2736  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2737  * The application can later accept the call using
2738  * this method.
2739  * @param lc the LinphoneCore object
2740  * @param call the LinphoneCall object representing the call to be answered.
2741  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2742  *
2743 **/
2744 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2745 {
2746         LinphoneProxyConfig *cfg=NULL;
2747         const char *contact=NULL;
2748         SalOp *replaced;
2749         SalMediaDescription *new_md;
2750         bool_t was_ringing=FALSE;
2751
2752         if (call==NULL){
2753                 //if just one call is present answer the only one ...
2754                 if(linphone_core_get_calls_nb (lc) != 1)
2755                         return -1;
2756                 else
2757                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2758         }
2759
2760         if (call->state==LinphoneCallConnected){
2761                 /*call already accepted*/
2762                 return -1;
2763         }
2764
2765         /* check if this call is supposed to replace an already running one*/
2766         replaced=sal_call_get_replaces(call->op);
2767         if (replaced){
2768                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2769                 if (rc){
2770                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2771                                    call,rc);
2772                         linphone_core_terminate_call(lc,rc);
2773                 }
2774         }
2775
2776         if (lc->current_call!=call){
2777                 linphone_core_preempt_sound_resources(lc);
2778         }
2779
2780         /*stop ringing */
2781         if (lc->ringstream!=NULL) {
2782                 ms_message("stop ringing");
2783                 ring_stop(lc->ringstream);
2784                 ms_message("ring stopped");
2785                 lc->ringstream=NULL;
2786                 was_ringing=TRUE;
2787         }
2788         if (call->ringing_beep){
2789                 linphone_core_stop_dtmf(lc);
2790                 call->ringing_beep=FALSE;
2791         }
2792
2793         linphone_core_get_default_proxy(lc,&cfg);
2794         call->dest_proxy=cfg;
2795         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2796
2797         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2798                 ms_message("Overriding default proxy setting for this call:");
2799                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2800         }
2801         /*try to be best-effort in giving real local or routable contact address*/
2802         contact=get_fixed_contact(lc,call,call->dest_proxy);
2803         if (contact)
2804                 sal_op_set_contact(call->op,contact);
2805
2806         if (params){
2807                 call->params=*params;
2808                 call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2809                 call->camera_active=call->params.has_video;
2810                 update_local_media_description(lc,call);
2811                 sal_call_set_local_media_description(call->op,call->localdesc);
2812         }
2813
2814         if (call->audiostream==NULL)
2815                 linphone_call_init_media_streams(call);
2816         if (!was_ringing && call->audiostream->ticker==NULL){
2817                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2818         }
2819
2820         sal_call_accept(call->op);
2821         if (lc->vtable.display_status!=NULL)
2822                 lc->vtable.display_status(lc,_("Connected."));
2823         lc->current_call=call;
2824         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2825         new_md=sal_call_get_final_media_description(call->op);
2826         linphone_core_update_streams(lc, call, new_md);
2827         if (new_md){
2828                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2829         }else call->media_pending=TRUE;
2830
2831         ms_message("call answered.");
2832         return 0;
2833 }
2834
2835 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2836         sal_call_terminate(call->op);
2837
2838         /*stop ringing*/
2839         if (lc->ringstream!=NULL) {
2840                 ring_stop(lc->ringstream);
2841                 lc->ringstream=NULL;
2842         }
2843         linphone_call_stop_media_streams(call);
2844         if (lc->vtable.display_status!=NULL)
2845                 lc->vtable.display_status(lc,_("Call aborted") );
2846         linphone_call_set_state(call,LinphoneCallError,error);
2847         return 0;
2848 }
2849
2850 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2851         if (call->state==LinphoneCallIncomingReceived){
2852                 if (call->reason!=LinphoneReasonNotAnswered)
2853                         call->reason=LinphoneReasonDeclined;
2854         }
2855         /*stop ringing*/
2856         if (lc->ringstream!=NULL) {
2857                 ring_stop(lc->ringstream);
2858                 lc->ringstream=NULL;
2859         }
2860
2861         linphone_call_stop_media_streams(call);
2862         if (lc->vtable.display_status!=NULL)
2863                 lc->vtable.display_status(lc,_("Call ended") );
2864 }
2865
2866 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2867         if (call->state==LinphoneCallIncomingReceived){
2868                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2869                 call->reason=LinphoneReasonDeclined;
2870                 terminate_call(lc,call);
2871                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2872         }else{
2873                 ms_error("Bad state for call redirection.");
2874                 return -1;
2875     }
2876         return 0;
2877 }
2878
2879
2880 /**
2881  * Terminates a call.
2882  *
2883  * @ingroup call_control
2884  * @param lc the LinphoneCore
2885  * @param the_call the LinphoneCall object representing the call to be terminated.
2886 **/
2887 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2888 {
2889         LinphoneCall *call;
2890         if (the_call == NULL){
2891                 call = linphone_core_get_current_call(lc);
2892                 if (ms_list_size(lc->calls)==1){
2893                         call=(LinphoneCall*)lc->calls->data;
2894                 }else{
2895                         ms_warning("No unique call to terminate !");
2896                         return -1;
2897                 }
2898         }
2899         else
2900         {
2901                 call = the_call;
2902         }
2903         sal_call_terminate(call->op);
2904         terminate_call(lc,call);
2905
2906         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2907         return 0;
2908 }
2909
2910 /**
2911  * Terminates all the calls.
2912  *
2913  * @ingroup call_control
2914  * @param lc The LinphoneCore
2915 **/
2916 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2917         MSList *calls=lc->calls;
2918         while(calls) {
2919                 LinphoneCall *c=(LinphoneCall*)calls->data;
2920                 calls=calls->next;
2921                 linphone_core_terminate_call(lc,c);
2922         }
2923         return 0;
2924 }
2925
2926 /**
2927  * Returns the current list of calls.
2928  *
2929  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2930  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2931  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2932  *
2933  * @ingroup call_control
2934 **/
2935 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2936 {
2937         return lc->calls;
2938 }
2939
2940 /**
2941  * Returns TRUE if there is a call running.
2942  *
2943  * @ingroup call_control
2944 **/
2945 bool_t linphone_core_in_call(const LinphoneCore *lc){
2946         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2947 }
2948
2949 /**
2950  * Returns The _LinphoneCall struct of the current call if one is in call
2951  *
2952  * @ingroup call_control
2953 **/
2954 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2955 {
2956         return lc->current_call;
2957 }
2958
2959 /**
2960  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2961  * this file will be played to the remote user.
2962  *
2963  * @ingroup call_control
2964 **/
2965 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2966 {
2967         const char *subject=NULL;
2968
2969         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2970                 ms_warning("Cannot pause this call, it is not active.");
2971                 return -1;
2972         }
2973         update_local_media_description(lc,call);
2974         if (call->ice_session != NULL)
2975                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2976         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2977                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2978                 subject="Call on hold";
2979         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2980                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2981                 subject="Call on hold for me too";
2982         }else{
2983                 ms_error("No reason to pause this call, it is already paused or inactive.");
2984                 return -1;
2985         }
2986         sal_call_set_local_media_description(call->op,call->localdesc);
2987         if (sal_call_update(call->op,subject) != 0){
2988                 if (lc->vtable.display_warning)
2989                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2990         }
2991         lc->current_call=NULL;
2992         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2993         if (lc->vtable.display_status)
2994                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2995         if (call->audiostream || call->videostream)
2996                 linphone_call_stop_media_streams (call);
2997         return 0;
2998 }
2999
3000 /**
3001  * Pause all currently running calls.
3002 **/
3003 int linphone_core_pause_all_calls(LinphoneCore *lc){
3004         const MSList *elem;
3005         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3006                 LinphoneCall *call=(LinphoneCall *)elem->data;
3007                 LinphoneCallState cs=linphone_call_get_state(call);
3008                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3009                         linphone_core_pause_call(lc,call);
3010                 }
3011         }
3012         return 0;
3013 }
3014
3015 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3016         LinphoneCall *current_call;
3017         if (linphone_core_is_in_conference(lc)){
3018                 linphone_core_leave_conference(lc);
3019                 return;
3020         }
3021         current_call=linphone_core_get_current_call(lc);
3022         if(current_call != NULL){
3023                 ms_message("Pausing automatically the current call.");
3024                 linphone_core_pause_call(lc,current_call);
3025         }
3026 }
3027
3028 /**
3029  * Resumes the call.
3030  *
3031  * @ingroup call_control
3032 **/
3033 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3034 {
3035         char temp[255]={0};
3036         LinphoneCall *call = the_call;
3037         const char *subject="Call resuming";
3038
3039         if(call->state!=LinphoneCallPaused ){
3040                 ms_warning("we cannot resume a call that has not been established and paused before");
3041                 return -1;
3042         }
3043         if (call->params.in_conference==FALSE){
3044                 linphone_core_preempt_sound_resources(lc);
3045                 ms_message("Resuming call %p",call);
3046         }
3047
3048         /* Stop playing music immediately. If remote side is a conference it
3049          prevents the participants to hear it while the 200OK comes back.*/
3050         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3051
3052         update_local_media_description(lc,the_call);
3053         if (call->ice_session != NULL)
3054                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3055         sal_call_set_local_media_description(call->op,call->localdesc);
3056         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3057         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3058         if(sal_call_update(call->op,subject) != 0){
3059                 return -1;
3060         }
3061         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3062         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3063         if (lc->vtable.display_status)
3064                 lc->vtable.display_status(lc,temp);
3065         return 0;
3066 }
3067
3068 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3069         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3070         return !linphone_address_weak_equal (addr,raddr);
3071 }
3072
3073 /**
3074  * Get the call with the remote_address specified
3075  * @param lc
3076  * @param remote_address
3077  * @return the LinphoneCall of the call if found
3078  */
3079 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3080         LinphoneAddress *raddr=linphone_address_new(remote_address);
3081         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3082         if (elem) return (LinphoneCall*) elem->data;
3083         return NULL;
3084 }
3085
3086 int linphone_core_send_publish(LinphoneCore *lc,
3087                                LinphoneOnlineStatus presence_mode)
3088 {
3089         const MSList *elem;
3090         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3091                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3092                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3093         }
3094         return 0;
3095 }
3096
3097 /**
3098  * Set the incoming call timeout in seconds.
3099  *
3100  * @ingroup call_control
3101  * If an incoming call isn't answered for this timeout period, it is
3102  * automatically declined.
3103 **/
3104 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3105         lc->sip_conf.inc_timeout=seconds;
3106 }
3107
3108 /**
3109  * Returns the incoming call timeout
3110  *
3111  * @ingroup call_control
3112  * See linphone_core_set_inc_timeout() for details.
3113 **/
3114 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3115         return lc->sip_conf.inc_timeout;
3116 }
3117
3118 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3119                                                                                                         const char *contact,
3120                                                                                                         LinphoneOnlineStatus presence_mode)
3121 {
3122         if (minutes_away>0) lc->minutes_away=minutes_away;
3123
3124         if (lc->alt_contact!=NULL) {
3125                 ms_free(lc->alt_contact);
3126                 lc->alt_contact=NULL;
3127         }
3128         if (contact) lc->alt_contact=ms_strdup(contact);
3129         if (lc->presence_mode!=presence_mode){
3130                 linphone_core_notify_all_friends(lc,presence_mode);
3131                 /*
3132                    Improve the use of all LINPHONE_STATUS available.
3133                    !TODO Do not mix "presence status" with "answer status code"..
3134                    Use correct parameter to follow sip_if_match/sip_etag.
3135                  */
3136                 linphone_core_send_publish(lc,presence_mode);
3137         }
3138         lc->presence_mode=presence_mode;
3139 }
3140
3141 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3142         return lc->presence_mode;
3143 }
3144
3145 /**
3146  * Get playback sound level in 0-100 scale.
3147  *
3148  * @ingroup media_parameters
3149 **/
3150 int linphone_core_get_play_level(LinphoneCore *lc)
3151 {
3152         return lc->sound_conf.play_lev;
3153 }
3154
3155 /**
3156  * Get ring sound level in 0-100 scale
3157  *
3158  * @ingroup media_parameters
3159 **/
3160 int linphone_core_get_ring_level(LinphoneCore *lc)
3161 {
3162         return lc->sound_conf.ring_lev;
3163 }
3164
3165 /**
3166  * Get sound capture level in 0-100 scale
3167  *
3168  * @ingroup media_parameters
3169 **/
3170 int linphone_core_get_rec_level(LinphoneCore *lc){
3171         return lc->sound_conf.rec_lev;
3172 }
3173
3174 /**
3175  * Set sound ring level in 0-100 scale
3176  *
3177  * @ingroup media_parameters
3178 **/
3179 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3180         MSSndCard *sndcard;
3181         lc->sound_conf.ring_lev=level;
3182         sndcard=lc->sound_conf.ring_sndcard;
3183         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3184 }
3185
3186 /**
3187  * Allow to control play level before entering sound card:  gain in db
3188  *
3189  * @ingroup media_parameters
3190 **/
3191 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3192         float gain=gaindb;
3193         LinphoneCall *call=linphone_core_get_current_call (lc);
3194         AudioStream *st;
3195
3196         lc->sound_conf.soft_play_lev=gaindb;
3197
3198         if (call==NULL || (st=call->audiostream)==NULL){
3199                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3200                 return;
3201         }
3202         if (st->volrecv){
3203                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3204         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3205 }
3206
3207 /**
3208  * Get playback gain in db before entering  sound card.
3209  *
3210  * @ingroup media_parameters
3211 **/
3212 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3213         return lc->sound_conf.soft_play_lev;
3214 }
3215
3216 /**
3217  * Set sound playback level in 0-100 scale
3218  *
3219  * @ingroup media_parameters
3220 **/
3221 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3222         MSSndCard *sndcard;
3223         lc->sound_conf.play_lev=level;
3224         sndcard=lc->sound_conf.play_sndcard;
3225         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3226 }
3227
3228 /**
3229  * Set sound capture level in 0-100 scale
3230  *
3231  * @ingroup media_parameters
3232 **/
3233 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3234 {
3235         MSSndCard *sndcard;
3236         lc->sound_conf.rec_lev=level;
3237         sndcard=lc->sound_conf.capt_sndcard;
3238         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3239 }
3240
3241 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3242         MSSndCard *sndcard=NULL;
3243         if (devid!=NULL){
3244                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3245                 if (sndcard!=NULL &&
3246                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3247                         ms_warning("%s card does not have the %s capability, ignoring.",
3248                                 devid,
3249                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3250                         sndcard=NULL;
3251                 }
3252         }
3253         if (sndcard==NULL) {
3254                 /* get a card that has read+write capabilities */
3255                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3256                 /* otherwise refine to the first card having the right capability*/
3257                 if (sndcard==NULL){
3258                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3259                         for(;elem!=NULL;elem=elem->next){
3260                                 sndcard=(MSSndCard*)elem->data;
3261                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3262                         }
3263                 }
3264                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3265                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3266                         if (elem) sndcard=(MSSndCard*)elem->data;
3267         }
3268         }
3269         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3270         return sndcard;
3271 }
3272
3273 /**
3274  * Returns true if the specified sound device can capture sound.
3275  *
3276  * @ingroup media_parameters
3277  * @param lc The LinphoneCore object
3278  * @param devid the device name as returned by linphone_core_get_sound_devices()
3279 **/
3280 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3281         MSSndCard *sndcard;
3282         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3283         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3284         return FALSE;
3285 }
3286
3287 /**
3288  * Returns true if the specified sound device can play sound.
3289  *
3290  * @ingroup media_parameters
3291  * @param lc The LinphoneCore object
3292  * @param devid the device name as returned by linphone_core_get_sound_devices()
3293 **/
3294 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3295         MSSndCard *sndcard;
3296         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3297         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3298         return FALSE;
3299 }
3300
3301 /**
3302  * Sets the sound device used for ringing.
3303  *
3304  * @ingroup media_parameters
3305  * @param lc The LinphoneCore object
3306  * @param devid the device name as returned by linphone_core_get_sound_devices()
3307 **/
3308 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3309         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3310         lc->sound_conf.ring_sndcard=card;
3311         if (card && linphone_core_ready(lc))
3312                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3313         return 0;
3314 }
3315
3316 /**
3317  * Sets the sound device used for playback.
3318  *
3319  * @ingroup media_parameters
3320  * @param lc The LinphoneCore object
3321  * @param devid the device name as returned by linphone_core_get_sound_devices()
3322 **/
3323 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3324         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3325         lc->sound_conf.play_sndcard=card;
3326         if (card &&  linphone_core_ready(lc))
3327                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3328         return 0;
3329 }
3330
3331 /**
3332  * Sets the sound device used for capture.
3333  *
3334  * @ingroup media_parameters
3335  * @param lc The LinphoneCore object
3336  * @param devid the device name as returned by linphone_core_get_sound_devices()
3337 **/
3338 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3339         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3340         lc->sound_conf.capt_sndcard=card;
3341         if (card &&  linphone_core_ready(lc))
3342                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3343         return 0;
3344 }
3345
3346 /**
3347  * Returns the name of the currently assigned sound device for ringing.
3348  *
3349  * @ingroup media_parameters
3350  * @param lc The LinphoneCore object
3351 **/
3352 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3353 {
3354         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3355         return NULL;
3356 }
3357
3358 /**
3359  * Returns the name of the currently assigned sound device for playback.
3360  *
3361  * @ingroup media_parameters
3362  * @param lc The LinphoneCore object
3363 **/
3364 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3365 {
3366         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3367 }
3368
3369 /**
3370  * Returns the name of the currently assigned sound device for capture.
3371  *
3372  * @ingroup media_parameters
3373  * @param lc The LinphoneCore object
3374 **/
3375 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3376 {
3377         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3378 }
3379
3380 /**
3381  * Returns an unmodifiable array of available sound devices.
3382  *
3383  * The array is NULL terminated.
3384  *
3385  * @ingroup media_parameters
3386  * @param lc The LinphoneCore object
3387 **/
3388 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3389         return lc->sound_conf.cards;
3390 }
3391
3392 /**
3393  * Returns an unmodifiable array of available video capture devices.
3394  *
3395  * @ingroup media_parameters
3396  * The array is NULL terminated.
3397 **/
3398 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3399         return lc->video_conf.cams;
3400 }
3401
3402 /**
3403  * Update detection of sound devices.
3404  *
3405  * Use this function when the application is notified of USB plug events, so that
3406  * list of available hardwares for sound playback and capture is updated.
3407  **/
3408 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3409         const char *ringer,*playback,*capture;
3410         ringer=linphone_core_get_ringer_device(lc);
3411         playback=linphone_core_get_playback_device(lc);
3412         capture=linphone_core_get_capture_device(lc);
3413         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3414         build_sound_devices_table(lc);
3415         linphone_core_set_ringer_device(lc,ringer);
3416         linphone_core_set_playback_device(lc,playback);
3417         linphone_core_set_capture_device(lc,capture);
3418 }
3419
3420 /**
3421  * Update detection of camera devices.
3422  *
3423  * Use this function when the application is notified of USB plug events, so that
3424  * list of available hardwares for video capture is updated.
3425  **/
3426 void linphone_core_reload_video_devices(LinphoneCore *lc){
3427         const char *devid;
3428         devid=linphone_core_get_video_device(lc);
3429         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3430         build_video_devices_table(lc);
3431         linphone_core_set_video_device(lc,devid);
3432 }
3433
3434 char linphone_core_get_sound_source(LinphoneCore *lc)
3435 {
3436         return lc->sound_conf.source;
3437 }
3438
3439 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3440 {
3441         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3442         lc->sound_conf.source=source;
3443         if (!sndcard) return;
3444         switch(source){
3445                 case 'm':
3446                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3447                         break;
3448                 case 'l':
3449                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3450                         break;
3451         }
3452
3453 }
3454
3455
3456 /**
3457  * Sets the path to a wav file used for ringing.
3458  *
3459  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3460  * @param lc The LinphoneCore object
3461  *
3462  * @ingroup media_parameters
3463 **/
3464 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3465         if (lc->sound_conf.local_ring!=0){
3466                 ms_free(lc->sound_conf.local_ring);
3467                 lc->sound_conf.local_ring=NULL;
3468         }
3469         if (path)
3470                 lc->sound_conf.local_ring=ms_strdup(path);
3471         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3472                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3473 }
3474
3475 /**
3476  * Returns the path to the wav file used for ringing.
3477  *
3478  * @param lc The LinphoneCore object
3479  * @ingroup media_parameters
3480 **/
3481 const char *linphone_core_get_ring(const LinphoneCore *lc){
3482         return lc->sound_conf.local_ring;
3483 }
3484
3485 /**
3486  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3487  *
3488  * @param path
3489  * @param lc The LinphoneCore object
3490  *
3491  * @ingroup media_parameters
3492 **/
3493 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3494         sal_set_root_ca(lc->sal, path);
3495 }
3496
3497 /**
3498  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3499 **/
3500 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3501         sal_verify_server_certificates(lc->sal,yesno);
3502 }
3503
3504 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3505         LinphoneCore *lc=(LinphoneCore*)ud;
3506         lc->preview_finished=1;
3507 }
3508
3509 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3510 {
3511         if (lc->ringstream!=0){
3512                 ms_warning("Cannot start ring now,there's already a ring being played");
3513                 return -1;
3514         }
3515         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3516         lc->preview_finished=0;
3517         if (lc->sound_conf.ring_sndcard!=NULL){
3518                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3519                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3520         }
3521         return 0;
3522 }
3523
3524 /**
3525  * Sets the path to a wav file used for ringing back.
3526  *
3527  * Ringback means the ring that is heard when it's ringing at the remote party.
3528  * The file must be a wav 16bit linear.
3529  *
3530  * @ingroup media_parameters
3531 **/
3532 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3533         if (lc->sound_conf.remote_ring!=0){
3534                 ms_free(lc->sound_conf.remote_ring);
3535         }
3536         lc->sound_conf.remote_ring=ms_strdup(path);
3537 }
3538
3539 /**
3540  * Returns the path to the wav file used for ringing back.
3541  *
3542  * @ingroup media_parameters
3543 **/
3544 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3545         return lc->sound_conf.remote_ring;
3546 }
3547
3548 /**
3549  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3550  *
3551  * @ingroup media_parameters
3552 **/
3553 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3554         lc->sound_conf.ec=val;
3555         if ( linphone_core_ready(lc))
3556                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3557 }
3558
3559
3560 /**
3561  * Returns TRUE if echo cancellation is enabled.
3562  *
3563  * @ingroup media_parameters
3564 **/
3565 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3566         return lc->sound_conf.ec;
3567 }
3568
3569 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3570         lc->sound_conf.ea=val;
3571 }
3572
3573 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3574         return lc->sound_conf.ea;
3575 }
3576
3577 /**
3578  * Mutes or unmutes the local microphone.
3579  *
3580  * @ingroup media_parameters
3581 **/
3582 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3583         LinphoneCall *call=linphone_core_get_current_call(lc);
3584         AudioStream *st=NULL;
3585         if (linphone_core_is_in_conference(lc)){
3586                 lc->conf_ctx.local_muted=val;
3587                 st=lc->conf_ctx.local_participant;
3588         }else if (call==NULL){
3589                 ms_warning("linphone_core_mute_mic(): No current call !");
3590                 return;
3591         }else{
3592                 st=call->audiostream;
3593                 call->audio_muted=val;
3594         }
3595         if (st!=NULL){
3596                 audio_stream_set_mic_gain(st,
3597                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3598                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3599                         audio_stream_mute_rtp(st,val);
3600                 }
3601
3602         }
3603 }
3604 /**
3605  * Returns whether microphone is muted.
3606 **/
3607 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3608         LinphoneCall *call=linphone_core_get_current_call(lc);
3609         if (linphone_core_is_in_conference(lc)){
3610                 return lc->conf_ctx.local_muted;
3611         }else if (call==NULL){
3612                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3613                 return FALSE;
3614         }
3615         return call->audio_muted;
3616 }
3617
3618 // returns rtp transmission status for an active stream
3619 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3620 // was set on then rtp transmission is also muted
3621 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3622         LinphoneCall *call=linphone_core_get_current_call(lc);
3623         if (call==NULL){
3624                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3625                 return FALSE;
3626         }
3627         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3628                 return call->audio_muted;
3629         }
3630         return FALSE;
3631 }
3632
3633 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3634         lc->sound_conf.agc=val;
3635 }
3636
3637 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3638         return lc->sound_conf.agc;
3639 }
3640
3641 /**
3642  * Send the specified dtmf.
3643  *
3644  * @ingroup media_parameters
3645  * This function only works during calls. The dtmf is automatically played to the user.
3646  * @param lc The LinphoneCore object
3647  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3648  *
3649 **/
3650 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3651 {
3652         LinphoneCall *call=linphone_core_get_current_call(lc);
3653         if (call==NULL){
3654                 ms_warning("linphone_core_send_dtmf(): no active call");
3655                 return;
3656         }
3657         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3658         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3659         {
3660                 /* In Band DTMF */
3661                 if (call->audiostream!=NULL){
3662                         audio_stream_send_dtmf(call->audiostream,dtmf);
3663                 }
3664                 else
3665                 {
3666                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3667                 }
3668         }
3669         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3670                 /* Out of Band DTMF (use INFO method) */
3671                 sal_call_send_dtmf(call->op,dtmf);
3672         }
3673 }
3674
3675 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3676         if (lc->net_conf.stun_server!=NULL)
3677                 ms_free(lc->net_conf.stun_server);
3678         if (server)
3679                 lc->net_conf.stun_server=ms_strdup(server);
3680         else lc->net_conf.stun_server=NULL;
3681         if (linphone_core_ready(lc))
3682                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3683 }
3684
3685 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3686         return lc->net_conf.stun_server;
3687 }
3688
3689 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3690         return lc->net_conf.relay;
3691 }
3692
3693 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3694         if (lc->net_conf.relay!=NULL){
3695                 ms_free(lc->net_conf.relay);
3696                 lc->net_conf.relay=NULL;
3697         }
3698         if (addr){
3699                 lc->net_conf.relay=ms_strdup(addr);
3700         }
3701         return 0;
3702 }
3703
3704 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3705 {
3706         if (lc->net_conf.nat_address!=NULL){
3707                 ms_free(lc->net_conf.nat_address);
3708         }
3709         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3710         else lc->net_conf.nat_address=NULL;
3711         if (lc->sip_conf.contact) update_primary_contact(lc);
3712 }
3713
3714 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3715         return lc->net_conf.nat_address;
3716 }
3717
3718 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3719 {
3720         struct sockaddr_storage ss;
3721         socklen_t ss_len;
3722         int error;
3723         char ipstring [INET6_ADDRSTRLEN];
3724
3725         if (lc->net_conf.nat_address==NULL) return NULL;
3726
3727         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3728                 return lc->net_conf.nat_address;
3729         }
3730
3731         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3732                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3733         if (error) {
3734                 return lc->net_conf.nat_address;
3735         }
3736
3737         if (lc->net_conf.nat_address_ip!=NULL){
3738                 ms_free(lc->net_conf.nat_address_ip);
3739         }
3740         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3741         return lc->net_conf.nat_address_ip;
3742 }
3743
3744 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3745         lc->net_conf.firewall_policy=pol;
3746         if (lc->sip_conf.contact) update_primary_contact(lc);
3747         if (linphone_core_ready(lc))
3748                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3749 }
3750
3751 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3752         return lc->net_conf.firewall_policy;
3753 }
3754
3755 /**
3756  * Get the list of call logs (past calls).
3757  *
3758  * @ingroup call_logs
3759 **/
3760 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3761         return lc->call_logs;
3762 }
3763
3764 /**
3765  * Erase the call log.
3766  *
3767  * @ingroup call_logs
3768 **/
3769 void linphone_core_clear_call_logs(LinphoneCore *lc){
3770         lc->missed_calls=0;
3771         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3772         lc->call_logs=ms_list_free(lc->call_logs);
3773         call_logs_write_to_config_file(lc);
3774 }
3775
3776 /**
3777  * Returns number of missed calls.
3778  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3779 **/
3780 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3781         return lc->missed_calls;
3782 }
3783
3784 /**
3785  * Resets the counter of missed calls.
3786 **/
3787 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3788         lc->missed_calls=0;
3789 }
3790
3791 /**
3792  * Remove a specific call log from call history list.
3793  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3794  * @param lc the linphone core object
3795  * @param a LinphoneCallLog object.
3796 **/
3797 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3798         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3799         call_logs_write_to_config_file(lc);
3800         linphone_call_log_destroy(cl);
3801 }
3802
3803 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3804 #ifdef VIDEO_ENABLED
3805         if (val){
3806                 if (lc->previewstream==NULL){
3807                         lc->previewstream=video_preview_new();
3808                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3809                         if (lc->video_conf.displaytype)
3810                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3811                         if (lc->preview_window_id!=0)
3812                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3813                         video_preview_start(lc->previewstream,lc->video_conf.device);
3814                 }
3815         }else{
3816                 if (lc->previewstream!=NULL){
3817                         video_preview_stop(lc->previewstream);
3818                         lc->previewstream=NULL;
3819                 }
3820         }
3821 #endif
3822 }
3823
3824 /**
3825  * Enables video globally.
3826  *
3827  * @ingroup media_parameters
3828  * This function does not have any effect during calls. It just indicates LinphoneCore to
3829  * initiate future calls with video or not. The two boolean parameters indicate in which
3830  * direction video is enabled. Setting both to false disables video entirely.
3831  *
3832  * @param lc The LinphoneCore object
3833  * @param vcap_enabled indicates whether video capture is enabled
3834  * @param display_enabled indicates whether video display should be shown
3835  *
3836 **/
3837 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3838 #ifndef VIDEO_ENABLED
3839         if (vcap_enabled || display_enabled)
3840                 ms_warning("This version of linphone was built without video support.");
3841 #endif
3842         lc->video_conf.capture=vcap_enabled;
3843         lc->video_conf.display=display_enabled;
3844         if (linphone_core_ready(lc)){
3845                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
3846                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
3847         }
3848         /* need to re-apply network bandwidth settings*/
3849         linphone_core_set_download_bandwidth(lc,
3850                 linphone_core_get_download_bandwidth(lc));
3851         linphone_core_set_upload_bandwidth(lc,
3852                 linphone_core_get_upload_bandwidth(lc));
3853 }
3854
3855 bool_t linphone_core_video_supported(LinphoneCore *lc){
3856 #ifdef VIDEO_ENABLED
3857         return TRUE;
3858 #else
3859         return FALSE;
3860 #endif
3861 }
3862
3863 /**
3864  * Returns TRUE if video is enabled, FALSE otherwise.
3865  * @ingroup media_parameters
3866 **/
3867 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3868         return (lc->video_conf.display || lc->video_conf.capture);
3869 }
3870
3871 /**
3872  * Sets the default policy for video.
3873  * This policy defines whether:
3874  * - video shall be initiated by default for outgoing calls
3875  * - video shall be accepter by default for incoming calls
3876  * @ingroup media_parameters
3877 **/
3878 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3879         lc->video_policy=*policy;
3880         if (linphone_core_ready(lc)){
3881                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3882                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3883         }
3884 }
3885
3886 /**
3887  * Get the default policy for video.
3888  * See linphone_core_set_video_policy() for more details.
3889  * @ingroup media_parameters
3890 **/
3891 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3892         return &lc->video_policy;
3893 }
3894
3895 /**
3896  * Controls video preview enablement.
3897  *
3898  * @ingroup media_parameters
3899  * Video preview refers to the action of displaying the local webcam image
3900  * to the user while not in call.
3901 **/
3902 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3903         lc->video_conf.show_local=val;
3904         if (linphone_core_ready(lc))
3905                 lp_config_set_int(lc->config,"video","show_local",val);
3906 }
3907
3908 /**
3909  * Returns TRUE if video previewing is enabled.
3910  * @ingroup media_parameters
3911 **/
3912 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3913         return lc->video_conf.show_local;
3914 }
3915
3916 /**
3917  * Enables or disable self view during calls.
3918  *
3919  * @ingroup media_parameters
3920  * Self-view refers to having local webcam image inserted in corner
3921  * of the video window during calls.
3922  * This function works at any time, including during calls.
3923 **/
3924 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3925 #ifdef VIDEO_ENABLED
3926         LinphoneCall *call=linphone_core_get_current_call (lc);
3927         lc->video_conf.selfview=val;
3928         if (call && call->videostream){
3929                 video_stream_enable_self_view(call->videostream,val);
3930         }
3931         if (linphone_core_ready(lc)){
3932                 lp_config_set_int(lc->config,"video","self_view",val);
3933         }
3934 #endif
3935 }
3936
3937 /**
3938  * Returns TRUE if self-view is enabled, FALSE otherwise.
3939  *
3940  * @ingroup media_parameters
3941  *
3942  * Refer to linphone_core_enable_self_view() for details.
3943 **/
3944 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3945         return lc->video_conf.selfview;
3946 }
3947
3948 /**
3949  * Sets the active video device.
3950  *
3951  * @ingroup media_parameters
3952  * @param lc The LinphoneCore object
3953  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3954 **/
3955 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3956         MSWebCam *olddev=lc->video_conf.device;
3957         const char *vd;
3958         if (id!=NULL){
3959                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3960                 if (lc->video_conf.device==NULL){
3961                         ms_warning("Could not found video device %s",id);
3962                 }
3963         }
3964         if (lc->video_conf.device==NULL)
3965                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3966         if (olddev!=NULL && olddev!=lc->video_conf.device){
3967                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3968         }
3969         if ( linphone_core_ready(lc) && lc->video_conf.device){
3970                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3971                 if (vd && strstr(vd,"Static picture")!=NULL){
3972                         vd=NULL;
3973                 }
3974                 lp_config_set_string(lc->config,"video","device",vd);
3975         }
3976         return 0;
3977 }
3978
3979 /**
3980  * Returns the name of the currently active video device.
3981  *
3982  * @param lc The LinphoneCore object
3983  * @ingroup media_parameters
3984 **/
3985 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3986         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3987         return NULL;
3988 }
3989
3990 #ifdef VIDEO_ENABLED
3991 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3992         VideoStream *vs = NULL;
3993         LinphoneCall *call=linphone_core_get_current_call (lc);
3994         /* Select the video stream from the call in the first place */
3995         if (call && call->videostream) {
3996                 vs = call->videostream;
3997         }
3998         /* If not in call, select the video stream from the preview */
3999         if (vs == NULL && lc->previewstream) {
4000                 vs = lc->previewstream;
4001         }
4002         return vs;
4003 }
4004 #endif
4005
4006 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4007 #ifdef VIDEO_ENABLED
4008         VideoStream *vs=get_active_video_stream(lc);
4009         /* If we have a video stream (either preview, either from call), we
4010                  have a source and it is using the static picture filter, then
4011                  force the filter to use that picture. */
4012         if (vs && vs->source) {
4013                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4014                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4015                                                                                                                 (void *)path);
4016                 }
4017         }
4018         /* Tell the static image filter to use that image from now on so
4019                  that the image will be used next time it has to be read */
4020         ms_static_image_set_default_image(path);
4021 #else
4022         ms_warning("Video support not compiled.");
4023 #endif
4024         return 0;
4025 }
4026
4027 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4028 #ifdef VIDEO_ENABLED
4029         VideoStream *vs = NULL;
4030
4031         vs=get_active_video_stream(lc);
4032
4033         /* If we have a video stream (either preview, either from call), we
4034                  have a source and it is using the static picture filter, then
4035                  force the filter to use that picture. */
4036         if (vs && vs->source) {
4037                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4038                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4039                 }
4040         }
4041 #else
4042         ms_warning("Video support not compiled.");
4043 #endif
4044         return 0;
4045 }
4046
4047 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4048 #ifdef VIDEO_ENABLED
4049         VideoStream *vs = NULL;
4050         vs=get_active_video_stream(lc);
4051         /* If we have a video stream (either preview, either from call), we
4052                  have a source and it is using the static picture filter, then
4053                  force the filter to use that picture. */
4054         if (vs && vs->source) {
4055                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4056
4057                         float fps;
4058
4059                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4060                         return fps;
4061                 }
4062         }
4063 #else
4064         ms_warning("Video support not compiled.");
4065 #endif
4066         return 0;
4067 }
4068
4069 /**
4070  * Returns the native window handle of the video window, casted as an unsigned long.
4071  *
4072  * @ingroup media_parameters
4073 **/
4074 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4075 #ifdef VIDEO_ENABLED
4076         LinphoneCall *call=linphone_core_get_current_call (lc);
4077         if (call && call->videostream)
4078                 return video_stream_get_native_window_id(call->videostream);
4079         if (lc->previewstream)
4080                 return video_stream_get_native_window_id(lc->previewstream);
4081 #endif
4082         return lc->video_window_id;
4083 }
4084
4085 /**@ingroup media_parameters
4086  * Set the native video window id where the video is to be displayed.
4087  * If not set the core will create its own window.
4088 **/
4089 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4090 #ifdef VIDEO_ENABLED
4091         LinphoneCall *call=linphone_core_get_current_call(lc);
4092         lc->video_window_id=id;
4093         if (call!=NULL && call->videostream){
4094                 video_stream_set_native_window_id(call->videostream,id);
4095         }
4096 #endif
4097 }
4098
4099 /**
4100  * Returns the native window handle of the video preview window, casted as an unsigned long.
4101  *
4102  * @ingroup media_parameters
4103 **/
4104 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4105 #ifdef VIDEO_ENABLED
4106         LinphoneCall *call=linphone_core_get_current_call (lc);
4107         if (call && call->videostream)
4108                 return video_stream_get_native_preview_window_id(call->videostream);
4109         if (lc->previewstream)
4110                 return video_preview_get_native_window_id(lc->previewstream);
4111 #endif
4112         return lc->preview_window_id;
4113 }
4114
4115 /**
4116  * @ingroup media_parameters
4117  * Set the native window id where the preview video (local camera) is to be displayed.
4118  * This has to be used in conjonction with linphone_core_use_preview_window().
4119  * If not set the core will create its own window.
4120 **/
4121 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4122         lc->preview_window_id=id;
4123 #ifdef VIDEO_ENABLED
4124         LinphoneCall *call=linphone_core_get_current_call(lc);
4125         if (call!=NULL && call->videostream){
4126                 video_stream_set_native_preview_window_id(call->videostream,id);
4127         }else if (lc->previewstream){
4128                 video_preview_set_native_window_id(lc->previewstream,id);
4129         }
4130 #endif
4131 }
4132
4133 /**
4134  * Can be used to disable video showing to free XV port
4135 **/
4136 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4137 #ifdef VIDEO_ENABLED
4138         ms_error("linphone_core_show_video %d", show);
4139         LinphoneCall *call=linphone_core_get_current_call(lc);
4140         if (call!=NULL && call->videostream){
4141                 video_stream_show_video(call->videostream,show);
4142         }
4143 #endif
4144 }
4145
4146 /**
4147  * Tells the core to use a separate window for local camera preview video, instead of
4148  * inserting local view within the remote video window.
4149  *
4150 **/
4151 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4152         lc->use_preview_window=yesno;
4153 }
4154 /**
4155  * @ingroup media_parameters
4156  *returns current device orientation
4157  */
4158 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4159         return lc->device_rotation;
4160 }
4161 /**
4162  * @ingroup media_parameters
4163  * Tells the core the device current orientation. This can be used by capture filters
4164  * on mobile devices to select between portrait/landscape mode and to produce properly
4165  * oriented images. The exact meaning of the value in rotation if left to each device
4166  * specific implementations.
4167  *@param lc  object.
4168  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4169  *
4170 **/
4171 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4172 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4173         lc->device_rotation = rotation;
4174 #ifdef VIDEO_ENABLED
4175         LinphoneCall *call=linphone_core_get_current_call(lc);
4176         if (call!=NULL && call->videostream){
4177                 video_stream_set_device_rotation(call->videostream,rotation);
4178         }
4179 #endif
4180 }
4181
4182 static MSVideoSizeDef supported_resolutions[]={
4183 #ifdef ENABLE_HD
4184         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4185         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4186 #endif
4187         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4188         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4189         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4190         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4191         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4192         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4193         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4194         {       {0,0}                   ,       NULL    }
4195 };
4196
4197 /**
4198  * Returns the zero terminated table of supported video resolutions.
4199  *
4200  * @ingroup media_parameters
4201 **/
4202 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4203         return supported_resolutions;
4204 }
4205
4206 static MSVideoSize video_size_get_by_name(const char *name){
4207         MSVideoSizeDef *pdef=supported_resolutions;
4208         MSVideoSize null_vsize={0,0};
4209         for(;pdef->name!=NULL;pdef++){
4210                 if (strcasecmp(name,pdef->name)==0){
4211                         return pdef->vsize;
4212                 }
4213         }
4214         ms_warning("Video resolution %s is not supported in linphone.",name);
4215         return null_vsize;
4216 }
4217
4218 static const char *video_size_get_name(MSVideoSize vsize){
4219         MSVideoSizeDef *pdef=supported_resolutions;
4220         for(;pdef->name!=NULL;pdef++){
4221                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4222                         return pdef->name;
4223                 }
4224         }
4225         return NULL;
4226 }
4227
4228 static bool_t video_size_supported(MSVideoSize vsize){
4229         if (video_size_get_name(vsize)) return TRUE;
4230         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4231         return FALSE;
4232 }
4233
4234 /**
4235  * Sets the preferred video size.
4236  *
4237  * @ingroup media_parameters
4238  * This applies only to the stream that is captured and sent to the remote party,
4239  * since we accept all standard video size on the receive path.
4240 **/
4241 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4242         if (video_size_supported(vsize)){
4243                 MSVideoSize oldvsize=lc->video_conf.vsize;
4244                 lc->video_conf.vsize=vsize;
4245                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4246                         toggle_video_preview(lc,FALSE);
4247                         toggle_video_preview(lc,TRUE);
4248                 }
4249                 if ( linphone_core_ready(lc))
4250                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4251         }
4252 }
4253
4254 /**
4255  * Sets the preferred video size by its name.
4256  *
4257  * @ingroup media_parameters
4258  * This is identical to linphone_core_set_preferred_video_size() except
4259  * that it takes the name of the video resolution as input.
4260  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4261 **/
4262 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4263         MSVideoSize vsize=video_size_get_by_name(name);
4264         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4265         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4266         else linphone_core_set_preferred_video_size(lc,default_vsize);
4267 }
4268
4269 /**
4270  * Returns the current preferred video size for sending.
4271  *
4272  * @ingroup media_parameters
4273 **/
4274 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4275         return lc->video_conf.vsize;
4276 }
4277
4278 /**
4279  * Ask the core to stream audio from and to files, instead of using the soundcard.
4280 **/
4281 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4282         lc->use_files=yesno;
4283 }
4284
4285 /**
4286  * Sets a wav file to be played when putting somebody on hold,
4287  * or when files are used instead of soundcards (see linphone_core_use_files()).
4288  *
4289  * The file must be a 16 bit linear wav file.
4290 **/
4291 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4292         LinphoneCall *call=linphone_core_get_current_call(lc);
4293         if (lc->play_file!=NULL){
4294                 ms_free(lc->play_file);
4295                 lc->play_file=NULL;
4296         }
4297         if (file!=NULL) {
4298                 lc->play_file=ms_strdup(file);
4299                 if (call && call->audiostream && call->audiostream->ticker)
4300                         audio_stream_play(call->audiostream,file);
4301         }
4302 }
4303
4304
4305 /**
4306  * Sets a wav file where incoming stream is to be recorded,
4307  * when files are used instead of soundcards (see linphone_core_use_files()).
4308  *
4309  * The file must be a 16 bit linear wav file.
4310 **/
4311 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4312         LinphoneCall *call=linphone_core_get_current_call(lc);
4313         if (lc->rec_file!=NULL){
4314                 ms_free(lc->rec_file);
4315                 lc->rec_file=NULL;
4316         }
4317         if (file!=NULL) {
4318                 lc->rec_file=ms_strdup(file);
4319                 if (call && call->audiostream)
4320                         audio_stream_record(call->audiostream,file);
4321         }
4322 }
4323
4324
4325 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4326         LinphoneCall *call=linphone_core_get_current_call (lc);
4327         AudioStream *stream=NULL;
4328         if (call){
4329                 stream=call->audiostream;
4330         }else if (linphone_core_is_in_conference(lc)){
4331                 stream=lc->conf_ctx.local_participant;
4332         }
4333         if (stream){
4334                 return stream->dtmfgen;
4335         }
4336         if (lc->ringstream==NULL){
4337                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4338                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4339                 if (ringcard == NULL)
4340                         return NULL;
4341
4342                 lc->ringstream=ring_start(NULL,0,ringcard);
4343                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4344                 lc->dmfs_playing_start_time=time(NULL);
4345         }else{
4346                 if (lc->dmfs_playing_start_time!=0)
4347                         lc->dmfs_playing_start_time=time(NULL);
4348         }
4349         return lc->ringstream->gendtmf;
4350 }
4351
4352 /**
4353  * @ingroup media_parameters
4354  * Plays a dtmf sound to the local user.
4355  * @param lc #LinphoneCore
4356  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4357  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4358 **/
4359 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4360         MSFilter *f=get_dtmf_gen(lc);
4361         if (f==NULL){
4362                 ms_error("No dtmf generator at this time !");
4363                 return;
4364         }
4365
4366         if (duration_ms>0)
4367                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4368         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4369 }
4370
4371 /**
4372  * @ingroup media_parameters
4373  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4374  * @param lc #LinphoneCore
4375 **/
4376 void linphone_core_play_tone(LinphoneCore *lc){
4377         MSFilter *f=get_dtmf_gen(lc);
4378         MSDtmfGenCustomTone def;
4379         if (f==NULL){
4380                 ms_error("No dtmf generator at this time !");
4381                 return;
4382         }
4383         def.duration=300;
4384         def.frequency=500;
4385         def.amplitude=1;
4386         def.interval=2000;
4387         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4388 }
4389
4390 /**
4391  * @ingroup media_parameters
4392  *
4393  * Stops playing a dtmf started by linphone_core_play_dtmf().
4394 **/
4395 void linphone_core_stop_dtmf(LinphoneCore *lc){
4396         MSFilter *f=get_dtmf_gen(lc);
4397         if (f!=NULL)
4398                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4399 }
4400
4401
4402
4403 /**
4404  * Retrieves the user pointer that was given to linphone_core_new()
4405  *
4406  * @ingroup initializing
4407 **/
4408 void *linphone_core_get_user_data(LinphoneCore *lc){
4409         return lc->data;
4410 }
4411
4412 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4413         lc->data=userdata;
4414 }
4415
4416 int linphone_core_get_mtu(const LinphoneCore *lc){
4417         return lc->net_conf.mtu;
4418 }
4419
4420 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4421         lc->net_conf.mtu=mtu;
4422         if (mtu>0){
4423                 if (mtu<500){
4424                         ms_error("MTU too small !");
4425                         mtu=500;
4426                 }
4427                 ms_set_mtu(mtu);
4428                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4429         }else ms_set_mtu(0);//use mediastreamer2 default value
4430 }
4431
4432 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4433         lc->wait_cb=cb;
4434         lc->wait_ctx=user_context;
4435 }
4436
4437 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4438         if (lc->wait_cb){
4439                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4440         }
4441 }
4442
4443 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4444         if (lc->wait_cb){
4445                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4446         }else{
4447 #ifdef WIN32
4448                 Sleep(50000);
4449 #else
4450                 usleep(50000);
4451 #endif
4452         }
4453 }
4454
4455 void linphone_core_stop_waiting(LinphoneCore *lc){
4456         if (lc->wait_cb){
4457                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4458         }
4459 }
4460
4461 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4462         lc->rtptf=factories;
4463 }
4464
4465 /**
4466  * Retrieve RTP statistics regarding current call.
4467  * @param local RTP statistics computed locally.
4468  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4469  *
4470  * @note Remote RTP statistics is not implemented yet.
4471  *
4472  * @returns 0 or -1 if no call is running.
4473 **/
4474
4475 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4476         LinphoneCall *call=linphone_core_get_current_call (lc);
4477         if (call!=NULL){
4478                 if (call->audiostream!=NULL){
4479                         memset(remote,0,sizeof(*remote));
4480                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4481                         return 0;
4482                 }
4483         }
4484         return -1;
4485 }
4486
4487 void net_config_uninit(LinphoneCore *lc)
4488 {
4489         net_config_t *config=&lc->net_conf;
4490
4491         if (config->stun_server!=NULL){
4492                 ms_free(lc->net_conf.stun_server);
4493         }
4494         if (config->nat_address!=NULL){
4495                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4496                 ms_free(lc->net_conf.nat_address);
4497         }
4498         if (lc->net_conf.nat_address_ip !=NULL){
4499                 ms_free(lc->net_conf.nat_address_ip);
4500         }
4501         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4502 }
4503
4504
4505 void sip_config_uninit(LinphoneCore *lc)
4506 {
4507         MSList *elem;
4508         int i;
4509         sip_config_t *config=&lc->sip_conf;
4510
4511         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4512         lp_config_set_string(lc->config,"sip","contact",config->contact);
4513         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4514         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4515         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4516         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4517         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4518
4519
4520
4521
4522         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4523                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4524                 linphone_proxy_config_edit(cfg);        /* to unregister */
4525         }
4526
4527         for (i=0;i<20;i++){
4528                 sal_iterate(lc->sal);
4529 #ifndef WIN32
4530                 usleep(100000);
4531 #else
4532                 Sleep(100);
4533 #endif
4534         }
4535
4536         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4537         ms_list_free(config->proxies);
4538         config->proxies=NULL;
4539
4540         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4541
4542         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4543         ms_list_free(lc->auth_info);
4544         lc->auth_info=NULL;
4545
4546         sal_uninit(lc->sal);
4547         lc->sal=NULL;
4548
4549         if (lc->sip_conf.guessed_contact)
4550                 ms_free(lc->sip_conf.guessed_contact);
4551         if (config->contact)
4552                 ms_free(config->contact);
4553
4554 }
4555
4556 void rtp_config_uninit(LinphoneCore *lc)
4557 {
4558         rtp_config_t *config=&lc->rtp_conf;
4559         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4560         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4561         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4562         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4563         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4564         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4565         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4566 }
4567
4568 static void sound_config_uninit(LinphoneCore *lc)
4569 {
4570         sound_config_t *config=&lc->sound_conf;
4571         ms_free(config->cards);
4572
4573         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4574
4575         if (config->local_ring) ms_free(config->local_ring);
4576         if (config->remote_ring) ms_free(config->remote_ring);
4577         ms_snd_card_manager_destroy();
4578 }
4579
4580 static void video_config_uninit(LinphoneCore *lc)
4581 {
4582         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4583         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4584         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4585         if (lc->video_conf.cams)
4586                 ms_free(lc->video_conf.cams);
4587 }
4588
4589 void _linphone_core_codec_config_write(LinphoneCore *lc){
4590         if (linphone_core_ready(lc)){
4591                 PayloadType *pt;
4592                 codecs_config_t *config=&lc->codecs_conf;
4593                 MSList *node;
4594                 char key[50];
4595                 int index;
4596                 index=0;
4597                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4598                         pt=(PayloadType*)(node->data);
4599                         sprintf(key,"audio_codec_%i",index);
4600                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4601                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4602                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4603                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4604                         index++;
4605                 }
4606                 sprintf(key,"audio_codec_%i",index);
4607                 lp_config_clean_section (lc->config,key);
4608
4609                 index=0;
4610                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4611                         pt=(PayloadType*)(node->data);
4612                         sprintf(key,"video_codec_%i",index);
4613                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4614                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4615                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4616                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4617                         index++;
4618                 }
4619                 sprintf(key,"video_codec_%i",index);
4620                 lp_config_clean_section (lc->config,key);
4621         }
4622 }
4623
4624 static void codecs_config_uninit(LinphoneCore *lc)
4625 {
4626         _linphone_core_codec_config_write(lc);
4627         ms_list_free(lc->codecs_conf.audio_codecs);
4628         ms_list_free(lc->codecs_conf.video_codecs);
4629 }
4630
4631 void ui_config_uninit(LinphoneCore* lc)
4632 {
4633         if (lc->friends){
4634                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4635                 ms_list_free(lc->friends);
4636                 lc->friends=NULL;
4637         }
4638 }
4639
4640 /**
4641  * Returns the LpConfig object used to manage the storage (config) file.
4642  *
4643  * @ingroup misc
4644  * The application can use the LpConfig object to insert its own private
4645  * sections and pairs of key=value in the configuration file.
4646  *
4647 **/
4648 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4649         return lc->config;
4650 }
4651
4652 static void linphone_core_uninit(LinphoneCore *lc)
4653 {
4654         linphone_core_free_hooks(lc);
4655         while(lc->calls)
4656         {
4657                 LinphoneCall *the_call = lc->calls->data;
4658                 linphone_core_terminate_call(lc,the_call);
4659                 linphone_core_iterate(lc);
4660 #ifdef WIN32
4661                 Sleep(50000);
4662 #else
4663                 usleep(50000);
4664 #endif
4665         }
4666         if (lc->friends)
4667                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4668         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4669 #ifdef VIDEO_ENABLED
4670         if (lc->previewstream!=NULL){
4671                 video_preview_stop(lc->previewstream);
4672                 lc->previewstream=NULL;
4673         }
4674 #endif
4675         ms_event_queue_destroy(lc->msevq);
4676         lc->msevq=NULL;
4677         /* save all config */
4678         net_config_uninit(lc);
4679         rtp_config_uninit(lc);
4680         if (lc->ringstream) ring_stop(lc->ringstream);
4681         sound_config_uninit(lc);
4682         video_config_uninit(lc);
4683         codecs_config_uninit(lc);
4684         ui_config_uninit(lc);
4685         sip_config_uninit(lc);
4686         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4687         lp_config_destroy(lc->config);
4688         lc->config = NULL; /* Mark the config as NULL to block further calls */
4689         sip_setup_unregister_all();
4690
4691         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4692         lc->call_logs=ms_list_free(lc->call_logs);
4693
4694         linphone_core_free_payload_types(lc);
4695         ortp_exit();
4696         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4697 #ifdef TUNNEL_ENABLED
4698         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4699 #endif
4700 }
4701
4702 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4703         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4704         // second get the list of available proxies
4705         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4706         for(;elem!=NULL;elem=elem->next){
4707                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4708                 if (linphone_proxy_config_register_enabled(cfg) ) {
4709                         if (!isReachable) {
4710                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4711                         }else{
4712                                 cfg->commit=TRUE;
4713                         }
4714                 }
4715         }
4716         lc->netup_time=curtime;
4717         lc->network_reachable=isReachable;
4718         if(!isReachable) {
4719                 sal_reset_transports(lc->sal);
4720         }
4721 }
4722
4723 void linphone_core_refresh_registers(LinphoneCore* lc) {
4724         const MSList *elem;
4725         if (!lc->network_reachable) {
4726                 ms_warning("Refresh register operation not available (network unreachable)");
4727                 return;
4728         }
4729         elem=linphone_core_get_proxy_config_list(lc);
4730         for(;elem!=NULL;elem=elem->next){
4731                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4732                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4733                         linphone_proxy_config_refresh_register(cfg);
4734                 }
4735         }
4736 }
4737
4738 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4739         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4740         for(;elem!=NULL;elem=elem->next){
4741                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4742                 if (linphone_proxy_config_register_enabled(cfg)) {
4743                         linphone_proxy_config_edit(cfg);
4744                         linphone_proxy_config_done(cfg);
4745                 }
4746         }
4747 }
4748
4749 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4750         //first disable automatic mode
4751         if (lc->auto_net_state_mon) {
4752                 ms_message("Disabling automatic network state monitoring");
4753                 lc->auto_net_state_mon=FALSE;
4754         }
4755         set_network_reachable(lc,isReachable, ms_time(NULL));
4756 }
4757
4758 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4759         return lc->network_reachable;
4760 }
4761 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4762         return sal_get_socket(lc->sal);
4763 }
4764 /**
4765  * Destroys a LinphoneCore
4766  *
4767  * @ingroup initializing
4768 **/
4769 void linphone_core_destroy(LinphoneCore *lc){
4770         linphone_core_uninit(lc);
4771         ms_free(lc);
4772 }
4773 /**
4774  * Get the number of Call
4775  *
4776  * @ingroup call_control
4777 **/
4778 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4779         return  ms_list_size(lc->calls);;
4780 }
4781
4782 /**
4783  * Check if we do not have exceed the number of simultaneous call
4784  *
4785  * @ingroup call_control
4786 **/
4787 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4788 {
4789         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4790                 return TRUE;
4791         ms_message("Maximum amount of simultaneous calls reached !");
4792         return FALSE;
4793 }
4794
4795
4796 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4797 {
4798         if(linphone_core_can_we_add_call(lc))
4799         {
4800                 lc->calls = ms_list_append(lc->calls,call);
4801                 return 0;
4802         }
4803         return -1;
4804 }
4805
4806 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4807 {
4808         MSList *it;
4809         MSList *the_calls = lc->calls;
4810
4811         it=ms_list_find(the_calls,call);
4812         if (it)
4813         {
4814                 the_calls = ms_list_remove_link(the_calls,it);
4815         }
4816         else
4817         {
4818                 ms_warning("could not find the call into the list\n");
4819                 return -1;
4820         }
4821         lc->calls = the_calls;
4822         return 0;
4823 }
4824
4825 /**
4826  * Specifiies a ring back tone to be played to far end during incoming calls.
4827 **/
4828 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4829         if (lc->sound_conf.ringback_tone){
4830                 ms_free(lc->sound_conf.ringback_tone);
4831                 lc->sound_conf.ringback_tone=NULL;
4832         }
4833         if (file)
4834                 lc->sound_conf.ringback_tone=ms_strdup(file);
4835 }
4836
4837 /**
4838  * Returns the ring back tone played to far end during incoming calls.
4839 **/
4840 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4841         return lc->sound_conf.ringback_tone;
4842 }
4843
4844 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
4845         const MSList *elem;
4846         for(elem=from;elem!=NULL;elem=elem->next){
4847                 PayloadType *pt=(PayloadType*)elem->data;
4848                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
4849                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
4850                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
4851                         return pt;
4852                 }
4853         }
4854         return NULL;
4855 }
4856
4857
4858 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
4859         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
4860         if (result)  {
4861                 return result;
4862         } else {
4863                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
4864                 if (result) {
4865                         return result;
4866                 }
4867         }
4868         /*not found*/
4869         return NULL;
4870 }
4871
4872 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4873         switch(gs){
4874                 case LinphoneGlobalOff:
4875                         return "LinphoneGlobalOff";
4876                 break;
4877                 case LinphoneGlobalOn:
4878                         return "LinphoneGlobalOn";
4879                 break;
4880                 case LinphoneGlobalStartup:
4881                         return "LinphoneGlobalStartup";
4882                 break;
4883                 case LinphoneGlobalShutdown:
4884                         return "LinphoneGlobalShutdown";
4885                 break;
4886         }
4887         return NULL;
4888 }
4889
4890 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4891         return lc->state;
4892 }
4893
4894 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4895         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4896         linphone_core_init_default_params(lc, p);
4897         return p;
4898 }
4899
4900 const char *linphone_reason_to_string(LinphoneReason err){
4901         switch(err){
4902                 case LinphoneReasonNone:
4903                         return "No error";
4904                 case LinphoneReasonNoResponse:
4905                         return "No response";
4906                 case LinphoneReasonBadCredentials:
4907                         return "Bad credentials";
4908                 case LinphoneReasonDeclined:
4909                         return "Call declined";
4910                 case LinphoneReasonNotFound:
4911                         return "User not found";
4912                 case LinphoneReasonNotAnswered:
4913                         return "Not answered";
4914         }
4915         return "unknown error";
4916 }
4917
4918 const char *linphone_error_to_string(LinphoneReason err){
4919         return linphone_reason_to_string(err);
4920 }
4921 /**
4922  * Enables signaling keep alive
4923  */
4924 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4925         if (enable > 0) {
4926                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4927         } else {
4928                 sal_set_keepalive_period(lc->sal,0);
4929         }
4930 }
4931 /**
4932  * Is signaling keep alive enabled
4933  */
4934 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4935         return sal_get_keepalive_period(lc->sal) > 0;
4936 }
4937
4938 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4939         get_dtmf_gen(lc); /*make sure ring stream is started*/
4940         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4941 }
4942
4943 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4944         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
4945                 ring_stop(lc->ringstream);
4946                 lc->ringstream=NULL;
4947         }
4948 }
4949
4950 int linphone_core_get_max_calls(LinphoneCore *lc) {
4951         return lc->max_calls;
4952 }
4953 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4954         lc->max_calls=max;
4955 }
4956
4957 typedef struct Hook{
4958         LinphoneCoreIterateHook fun;
4959         void *data;
4960 }Hook;
4961
4962 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4963         Hook *h=ms_new(Hook,1);
4964         h->fun=hook;
4965         h->data=hook_data;
4966         return h;
4967 }
4968
4969 static void hook_invoke(Hook *h){
4970         h->fun(h->data);
4971 }
4972
4973 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4974         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4975 }
4976
4977 static void linphone_core_run_hooks(LinphoneCore *lc){
4978         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4979 }
4980
4981 static void linphone_core_free_hooks(LinphoneCore *lc){
4982         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4983         ms_list_free(lc->hooks);
4984         lc->hooks=NULL;
4985 }
4986
4987 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4988         MSList *elem;
4989         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4990                 Hook *h=(Hook*)elem->data;
4991                 if (h->fun==hook && h->data==hook_data){
4992                         ms_list_remove_link(lc->hooks,elem);
4993                         ms_free(h);
4994                         return;
4995                 }
4996         }
4997         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4998 }
4999
5000 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5001         if (lc->zrtp_secrets_cache != NULL) {
5002                 ms_free(lc->zrtp_secrets_cache);
5003         }
5004         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5005 }
5006
5007 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5008         if (uri == NULL) return NULL;
5009         MSList *calls=lc->calls;
5010         while(calls) {
5011                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5012                 calls=calls->next;
5013                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5014                 char *current_uri=linphone_address_as_string_uri_only(address);
5015                 if (strcmp(uri,current_uri)==0) {
5016                         ms_free(current_uri);
5017                         return c;
5018                 } else {
5019                         ms_free(current_uri);
5020                 }
5021         }
5022         return NULL;
5023 }
5024
5025
5026 /**
5027  * Check if a call will need the sound resources.
5028  *
5029  * @ingroup call_control
5030  * @param lc The LinphoneCore
5031 **/
5032 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5033         MSList *calls=lc->calls;
5034         while(calls) {
5035                 LinphoneCall *c=(LinphoneCall*)calls->data;
5036                 calls=calls->next;
5037                 switch (c->state) {
5038                         case LinphoneCallOutgoingInit:
5039                         case LinphoneCallOutgoingProgress:
5040                         case LinphoneCallOutgoingRinging:
5041                         case LinphoneCallOutgoingEarlyMedia:
5042                         case LinphoneCallConnected:
5043                         case LinphoneCallRefered:
5044                         case LinphoneCallIncomingEarlyMedia:
5045                         case LinphoneCallUpdating:
5046                                 return TRUE;
5047                         default:
5048                                 break;
5049                 }
5050         }
5051         return FALSE;
5052 }
5053
5054 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5055         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5056 }
5057
5058 /**
5059  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5060 **/
5061 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5062         switch(menc){
5063                 case LinphoneMediaEncryptionSRTP:
5064                         return ortp_srtp_supported();
5065                 case LinphoneMediaEncryptionZRTP:
5066                         return ortp_zrtp_available();
5067                 case LinphoneMediaEncryptionNone:
5068                         return TRUE;
5069         }
5070         return FALSE;
5071 }
5072
5073 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5074         const char *type="none";
5075         int ret=0;
5076         if (menc == LinphoneMediaEncryptionSRTP){
5077                 if (!ortp_srtp_supported()){
5078                         ms_warning("SRTP not supported by library.");
5079                         type="none";
5080                         ret=-1;
5081                 }else type="srtp";
5082         }else if (menc == LinphoneMediaEncryptionZRTP){
5083                 if (!ortp_zrtp_available()){
5084                         ms_warning("ZRTP not supported by library.");
5085                         type="none";
5086                         ret=-1;
5087                 }else type="zrtp";
5088         }
5089         lp_config_set_string(lc->config,"sip","media_encryption",type);
5090         return ret;
5091 }
5092
5093 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5094         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5095
5096         if (menc == NULL)
5097                 return LinphoneMediaEncryptionNone;
5098         else if (strcmp(menc, "srtp")==0)
5099                 return LinphoneMediaEncryptionSRTP;
5100         else if (strcmp(menc, "zrtp")==0)
5101                 return LinphoneMediaEncryptionZRTP;
5102         else
5103                 return LinphoneMediaEncryptionNone;
5104 }
5105
5106 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5107         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5108 }
5109
5110 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5111         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5112 }
5113
5114 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5115         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5116         params->media_encryption=linphone_core_get_media_encryption(lc);
5117         params->in_conference=FALSE;
5118 }
5119
5120 void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
5121         VideoStream* vstream = call->videostream;
5122         if (vstream) {
5123                 float zoom[3];
5124
5125                 if (zoom_factor < 1)
5126                         zoom_factor = 1;
5127                 float halfsize = 0.5 * 1.0 / zoom_factor;
5128
5129                 if ((*cx - halfsize) < 0)
5130                         *cx = 0 + halfsize;
5131                 if ((*cx + halfsize) > 1)
5132                         *cx = 1 - halfsize;
5133                 if ((*cy - halfsize) < 0)
5134                         *cy = 0 + halfsize;
5135                 if ((*cy + halfsize) > 1)
5136                         *cy = 1 - halfsize;
5137
5138                 zoom[0] = zoom_factor;
5139                 zoom[1] = *cx;
5140                 zoom[2] = *cy;
5141                 ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
5142         }else ms_warning("Could not apply zoom: video output wasn't activated.");
5143 }
5144
5145 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5146         if (lc->device_id) ms_free(lc->device_id);
5147         lc->device_id=ms_strdup(device_id);
5148 }
5149 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5150         return lc->device_id;
5151 }
5152
5153 /**
5154  * Set the DSCP field for SIP signaling channel.
5155  *
5156  * @ingroup network_parameters
5157  * * The DSCP defines the quality of service in IP packets.
5158  *
5159 **/
5160 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5161         sal_set_dscp(lc->sal,dscp);
5162         if (linphone_core_ready(lc))
5163                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5164 }
5165
5166 /**
5167  * Get the DSCP field for SIP signaling channel.
5168  *
5169  * @ingroup network_parameters
5170  * * The DSCP defines the quality of service in IP packets.
5171  *
5172 **/
5173 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5174         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5175 }
5176
5177 /**
5178  * Set the DSCP field for outgoing audio streams.
5179  *
5180  * @ingroup network_parameters
5181  * The DSCP defines the quality of service in IP packets.
5182  *
5183 **/
5184 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5185         if (linphone_core_ready(lc))
5186                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5187 }
5188
5189 /**
5190  * Get the DSCP field for outgoing audio streams.
5191  *
5192  * @ingroup network_parameters
5193  * The DSCP defines the quality of service in IP packets.
5194  *
5195 **/
5196 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5197         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5198 }
5199
5200 /**
5201  * Set the DSCP field for outgoing video streams.
5202  *
5203  * @ingroup network_parameters
5204  * The DSCP defines the quality of service in IP packets.
5205  *
5206 **/
5207 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5208         if (linphone_core_ready(lc))
5209                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5210
5211 }
5212
5213 /**
5214  * Get the DSCP field for outgoing video streams.
5215  *
5216  * @ingroup network_parameters
5217  * The DSCP defines the quality of service in IP packets.
5218  *
5219 **/
5220 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5221         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5222 }