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 <math.h>
  28 #include <ortp/telephonyevents.h>
  29 #include <ortp/zrtp.h>
  30 #include "mediastreamer2/mediastream.h"
  31 #include "mediastreamer2/mseventqueue.h"
  32 #include "mediastreamer2/msvolume.h"
  33 #include "mediastreamer2/msequalizer.h"
  34 #include "mediastreamer2/dtmfgen.h"
  35
  36 #ifdef INET6
  37 #ifndef WIN32
  38 #include <netdb.h>
  39 #endif
  40 #endif
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #include "liblinphone_gitversion.h"
  45 #else
  46 #ifndef LIBLINPHONE_GIT_VERSION
  47 #define LIBLINPHONE_GIT_VERSION "unknown"
  48 #endif
  49 #endif
  50
  51
  52 /*#define UNSTANDART_GSM_11K 1*/
  53
  54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  55
  56 static const char *liblinphone_version=
  57 #ifdef LIBLINPHONE_GIT_VERSION
  58         LIBLINPHONE_GIT_VERSION
  59 #else
  60         LIBLINPHONE_VERSION
  61 #endif
  62 ;
  63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  64 static void linphone_core_run_hooks(LinphoneCore *lc);
  65 static void linphone_core_free_hooks(LinphoneCore *lc);
  66
  67 #include "enum.h"
  68
  69 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  71
  72 /* relative path where is stored local ring*/
  73 #define LOCAL_RING "rings/oldphone.wav"
  74 /* same for remote ring (ringback)*/
  75 #define REMOTE_RING "ringback.wav"
  76 #define HOLD_MUSIC "rings/toy-mono.wav"
  77
  78
  79 extern SalCallbacks linphone_sal_callbacks;
  80
  81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  82 {
  83   obj->_func=func;
  84   obj->_user_data=ud;
  85 }
  86
  87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  89         return 0;
  90 }
  91
  92
  93 /*prevent a gcc bug with %c*/
  94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  95 #if !defined(_WIN32_WCE)
  96         return strftime(s, max, fmt, tm);
  97 #else
  98         return 0;
  99         /*FIXME*/
 100 #endif /*_WIN32_WCE*/
 101 }
 102
 103 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
 104         struct tm loctime;
 105 #ifdef WIN32
 106 #if !defined(_WIN32_WCE)
 107         loctime=*localtime(&start_time);
 108         /*FIXME*/
 109 #endif /*_WIN32_WCE*/
 110 #else
 111         localtime_r(&start_time,&loctime);
 112 #endif
 113         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 114 }
 115
 116 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 117         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 118         cl->dir=call->dir;
 119         cl->start_date_time=call->start_time;
 120         set_call_log_date(cl,cl->start_date_time);
 121         cl->from=from;
 122         cl->to=to;
 123     cl->status=LinphoneCallAborted; /*default status*/
 124         return cl;
 125 }
 126
 127 void call_logs_write_to_config_file(LinphoneCore *lc){
 128         MSList *elem;
 129         char logsection[32];
 130         int i;
 131         char *tmp;
 132         LpConfig *cfg=lc->config;
 133
 134         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 135
 136         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 137                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 138                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 139                 lp_config_clean_section(cfg,logsection);
 140                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 141                 lp_config_set_int(cfg,logsection,"status",cl->status);
 142                 tmp=linphone_address_as_string(cl->from);
 143                 lp_config_set_string(cfg,logsection,"from",tmp);
 144                 ms_free(tmp);
 145                 tmp=linphone_address_as_string(cl->to);
 146                 lp_config_set_string(cfg,logsection,"to",tmp);
 147                 ms_free(tmp);
 148                 if (cl->start_date_time)
 149                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 150                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 151                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 152                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 153                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 154                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 155                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 156         }
 157         for(;i<lc->max_call_logs;++i){
 158                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 159                 lp_config_clean_section(cfg,logsection);
 160         }
 161 }
 162
 163 static time_t string_to_time(const char *date){
 164 #ifndef WIN32
 165         struct tm tmtime={0};
 166         strptime(date,"%c",&tmtime);
 167         return mktime(&tmtime);
 168 #else
 169         return 0;
 170 #endif
 171 }
 172
 173 static void call_logs_read_from_config_file(LinphoneCore *lc){
 174         char logsection[32];
 175         int i;
 176         const char *tmp;
 177         uint64_t sec;
 178         LpConfig *cfg=lc->config;
 179         for(i=0;;++i){
 180                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 181                 if (lp_config_has_section(cfg,logsection)){
 182                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 183                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 184                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 185                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 186                         if (tmp) cl->from=linphone_address_new(tmp);
 187                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 188                         if (tmp) cl->to=linphone_address_new(tmp);
 189                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 190                         if (sec) {
 191                                 /*new call log format with date expressed in seconds */
 192                                 cl->start_date_time=(time_t)sec;
 193                                 set_call_log_date(cl,cl->start_date_time);
 194                         }else{
 195                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 196                                 if (tmp) {
 197                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 198                                         cl->start_date_time=string_to_time(cl->start_date);
 199                                 }
 200                         }
 201                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 202                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 203                         if (tmp) cl->refkey=ms_strdup(tmp);
 204                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 205                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 206                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 207                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 208                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 209                 }else break;
 210         }
 211 }
 212
 213
 214
 215 /**
 216  * @addtogroup call_logs
 217  * @{
 218 **/
 219
 220 /**
 221  * Returns a human readable string describing the call.
 222  *
 223  * @note: the returned char* must be freed by the application (use ms_free()).
 224 **/
 225 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 226         char *status;
 227         char *tmp;
 228         char *from=linphone_address_as_string (cl->from);
 229         char *to=linphone_address_as_string (cl->to);
 230         switch(cl->status){
 231                 case LinphoneCallAborted:
 232                         status=_("aborted");
 233                         break;
 234                 case LinphoneCallSuccess:
 235                         status=_("completed");
 236                         break;
 237                 case LinphoneCallMissed:
 238                         status=_("missed");
 239                         break;
 240                 default:
 241                         status="unknown";
 242         }
 243         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 244                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 245                         cl->start_date,
 246                         from,
 247                         to,
 248                         status,
 249                         cl->duration/60,
 250                         cl->duration%60);
 251         ms_free(from);
 252         ms_free(to);
 253         return tmp;
 254 }
 255
 256 /**
 257  * Returns RTP statistics computed locally regarding the call.
 258  *
 259 **/
 260 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 261         return &cl->local_stats;
 262 }
 263
 264 /**
 265  * Returns RTP statistics computed by remote end and sent back via RTCP.
 266  *
 267  * @note Not implemented yet.
 268 **/
 269 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 270         return &cl->remote_stats;
 271 }
 272
 273 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 274         cl->user_pointer=up;
 275 }
 276
 277 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 278         return cl->user_pointer;
 279 }
 280
 281
 282
 283 /**
 284  * Associate a persistent reference key to the call log.
 285  *
 286  * The reference key can be for example an id to an external database.
 287  * It is stored in the config file, thus can survive to process exits/restarts.
 288  *
 289 **/
 290 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 291         if (cl->refkey!=NULL){
 292                 ms_free(cl->refkey);
 293                 cl->refkey=NULL;
 294         }
 295         if (refkey) cl->refkey=ms_strdup(refkey);
 296 }
 297
 298 /**
 299  * Get the persistent reference key associated to the call log.
 300  *
 301  * The reference key can be for example an id to an external database.
 302  * It is stored in the config file, thus can survive to process exits/restarts.
 303  *
 304 **/
 305 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 306         return cl->refkey;
 307 }
 308
 309 /** @} */
 310
 311 void linphone_call_log_destroy(LinphoneCallLog *cl){
 312         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 313         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 314         if (cl->refkey!=NULL) ms_free(cl->refkey);
 315         if (cl->call_id) ms_free((void*)cl->call_id);
 316         ms_free(cl);
 317 }
 318
 319 /**
 320  * Returns TRUE if the LinphoneCall asked to autoanswer
 321  *
 322 **/
 323 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 324         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 325         if(call)
 326                 return sal_call_autoanswer_asked(call->op);
 327         else
 328                 return FALSE;
 329 }
 330
 331 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 332         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 333         if (call)  return linphone_call_get_duration(call);
 334         return -1;
 335 }
 336
 337 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 338         LinphoneCall *call=linphone_core_get_current_call(lc);
 339         if (call==NULL) return NULL;
 340         return linphone_call_get_remote_address(call);
 341 }
 342
 343 /**
 344  * Enable logs in supplied FILE*.
 345  *
 346  * @ingroup misc
 347  *
 348  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 349  *
 350 **/
 351 void linphone_core_enable_logs(FILE *file){
 352         if (file==NULL) file=stdout;
 353         ortp_set_log_file(file);
 354         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 355 }
 356
 357 /**
 358  * Enable logs through the user's supplied log callback.
 359  *
 360  * @ingroup misc
 361  *
 362  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 363  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 364  *
 365 **/
 366 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 367         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 368         ortp_set_log_handler(logfunc);
 369 }
 370
 371 /**
 372  * Entirely disable logging.
 373  *
 374  * @ingroup misc
 375 **/
 376 void linphone_core_disable_logs(){
 377         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 378 }
 379
 380
 381 static void net_config_read (LinphoneCore *lc)
 382 {
 383         int tmp;
 384         const char *tmpstr;
 385         LpConfig *config=lc->config;
 386
 387         lc->net_conf.nat_address_ip = NULL;
 388         tmp=lp_config_get_int(config,"net","download_bw",0);
 389         linphone_core_set_download_bandwidth(lc,tmp);
 390         tmp=lp_config_get_int(config,"net","upload_bw",0);
 391         linphone_core_set_upload_bandwidth(lc,tmp);
 392         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 393         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 394         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 395         linphone_core_set_nat_address(lc,tmpstr);
 396         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 397         linphone_core_set_firewall_policy(lc,tmp);
 398         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 399         lc->net_conf.nat_sdp_only=tmp;
 400         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 401         linphone_core_set_mtu(lc,tmp);
 402         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 403         linphone_core_set_download_ptime(lc,tmp);
 404
 405 }
 406
 407 static void build_sound_devices_table(LinphoneCore *lc){
 408         const char **devices;
 409         const char **old;
 410         int ndev;
 411         int i;
 412         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 413         ndev=ms_list_size(elem);
 414         devices=ms_malloc((ndev+1)*sizeof(const char *));
 415         for (i=0;elem!=NULL;elem=elem->next,i++){
 416                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 417         }
 418         devices[ndev]=NULL;
 419         old=lc->sound_conf.cards;
 420         lc->sound_conf.cards=devices;
 421         if (old!=NULL) ms_free(old);
 422 }
 423
 424 static void sound_config_read(LinphoneCore *lc)
 425 {
 426         int tmp;
 427         const char *tmpbuf;
 428         const char *devid;
 429 #ifdef __linux
 430         /*alsadev let the user use custom alsa device within linphone*/
 431         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 432         if (devid){
 433                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 434                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 435         }
 436         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 437         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 438 #endif
 439         /* retrieve all sound devices */
 440         build_sound_devices_table(lc);
 441
 442         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 443         linphone_core_set_playback_device(lc,devid);
 444
 445         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 446         linphone_core_set_ringer_device(lc,devid);
 447
 448         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 449         linphone_core_set_capture_device(lc,devid);
 450
 451 /*
 452         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 453         linphone_core_set_play_level(lc,tmp);
 454         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 455         linphone_core_set_ring_level(lc,tmp);
 456         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 457         linphone_core_set_rec_level(lc,tmp);
 458         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 459         linphone_core_set_sound_source(lc,tmpbuf[0]);
 460 */
 461
 462         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 463         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 464         if (ortp_file_exist(tmpbuf)==-1) {
 465                 ms_warning("%s does not exist",tmpbuf);
 466                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 467         }
 468         if (strstr(tmpbuf,".wav")==NULL){
 469                 /* it currently uses old sound files, so replace them */
 470                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 471         }
 472         linphone_core_set_ring(lc,tmpbuf);
 473
 474         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 475         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 476         if (ortp_file_exist(tmpbuf)==-1){
 477                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 478         }
 479         if (strstr(tmpbuf,".wav")==NULL){
 480                 /* it currently uses old sound files, so replace them */
 481                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 482         }
 483         linphone_core_set_ringback(lc,tmpbuf);
 484
 485         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 486         check_sound_device(lc);
 487         lc->sound_conf.latency=0;
 488 #ifndef __ios
 489     tmp=TRUE;
 490 #else
 491     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 492 #endif
 493     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 494         linphone_core_enable_echo_cancellation(lc,tmp);
 495         linphone_core_enable_echo_limiter(lc,
 496                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 497         linphone_core_enable_agc(lc,
 498                 lp_config_get_int(lc->config,"sound","agc",0));
 499
 500         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 501         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 502
 503         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 504
 505         /*just parse requested stream feature once at start to print out eventual errors*/
 506         linphone_core_get_audio_features(lc);
 507 }
 508
 509 static void sip_config_read(LinphoneCore *lc)
 510 {
 511         char *contact;
 512         const char *tmpstr;
 513         LCSipTransports tr;
 514         int i,tmp;
 515         int ipv6;
 516         int random_port;
 517
 518         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 519         linphone_core_set_use_info_for_dtmf(lc,tmp);
 520
 521         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 522                 sal_use_session_timers(lc->sal,200);
 523         }
 524
 525         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 526         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 527         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 528         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 529
 530         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",1);
 531         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 532
 533         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 534         if (ipv6==-1){
 535                 ipv6=0;
 536         }
 537         linphone_core_enable_ipv6(lc,ipv6);
 538         memset(&tr,0,sizeof(tr));
 539
 540         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 541         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 542         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 543
 544         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 545                 random_port=(0xDFFF&random())+1024;
 546         else random_port=0;
 547
 548         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 549                 tr.udp_port=5060;
 550         }
 551
 552         if (tr.udp_port>0 && random_port){
 553                 tr.udp_port=random_port;
 554                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 555         }else if (tr.tcp_port>0 && random_port){
 556                 tr.tcp_port=random_port;
 557                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 558         }else if (tr.tls_port>0 && random_port){
 559                 tr.tls_port=random_port;
 560                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 561         }
 562
 563 #ifdef __linux
 564         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 565 #else
 566         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 567 #endif
 568         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 569         linphone_core_verify_server_cn(lc,lp_config_get_int(lc->config,"sip","verify_server_cn",TRUE));
 570         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
 571         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 572         /*start listening on ports*/
 573         linphone_core_set_sip_transports(lc,&tr);
 574
 575         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 576         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 577                 const char *hostname=NULL;
 578                 const char *username=NULL;
 579 #ifdef HAVE_GETENV
 580                 hostname=getenv("HOST");
 581                 username=getenv("USER");
 582                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 583 #endif /*HAVE_GETENV*/
 584                 if (hostname==NULL)
 585                         hostname="unknown-host";
 586                 if (username==NULL){
 587                         username="toto";
 588                 }
 589                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 590                 linphone_core_set_primary_contact(lc,contact);
 591                 ms_free(contact);
 592         }
 593
 594         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 595         linphone_core_set_guess_hostname(lc,tmp);
 596
 597
 598         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 599         linphone_core_set_inc_timeout(lc,tmp);
 600
 601         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 602         linphone_core_set_in_call_timeout(lc,tmp);
 603
 604         /* get proxies config */
 605         for(i=0;; i++){
 606                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 607                 if (cfg!=NULL){
 608                         linphone_core_add_proxy_config(lc,cfg);
 609                 }else{
 610                         break;
 611                 }
 612         }
 613         /* get the default proxy */
 614         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 615         linphone_core_set_default_proxy_index(lc,tmp);
 616
 617         /* read authentication information */
 618         for(i=0;; i++){
 619                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 620                 if (ai!=NULL){
 621                         linphone_core_add_auth_info(lc,ai);
 622                         linphone_auth_info_destroy(ai);
 623                 }else{
 624                         break;
 625                 }
 626         }
 627         /*this is to filter out unsupported encryption schemes*/
 628         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 629
 630         /*for tuning or test*/
 631         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 632         lc->sip_conf.register_only_when_network_is_up=
 633                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 634         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 635         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 636         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 637         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 638         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 639         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 640         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 641 }
 642
 643 static void rtp_config_read(LinphoneCore *lc)
 644 {
 645         int min_port, max_port;
 646         int jitt_comp;
 647         int nortp_timeout;
 648         bool_t rtp_no_xmit_on_audio_mute;
 649         bool_t adaptive_jitt_comp_enabled;
 650
 651         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 652                 if (min_port <= 0) min_port = 1;
 653                 if (max_port > 65535) max_port = 65535;
 654                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 655         } else {
 656                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 657                 linphone_core_set_audio_port(lc, min_port);
 658         }
 659
 660         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 661                 if (min_port <= 0) min_port = 1;
 662                 if (max_port > 65535) max_port = 65535;
 663                 linphone_core_set_video_port_range(lc, min_port, max_port);
 664         } else {
 665                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 666                 linphone_core_set_video_port(lc, min_port);
 667         }
 668
 669         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 670         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 671         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 672         if (jitt_comp==0) jitt_comp=60;
 673         linphone_core_set_video_jittcomp(lc,jitt_comp);
 674         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 675         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 676         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 677         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 678         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 679         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 680         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 681         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 682 }
 683
 684 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 685         PayloadType *candidate=NULL;
 686         int i;
 687         PayloadType *it;
 688         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 689                 it=rtp_profile_get_payload(prof,i);
 690                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 691                         && (clock_rate==it->clock_rate || clock_rate<=0)
 692                         && (channels==it->channels || channels<=0) ){
 693                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 694                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 695                                 /*exact match*/
 696                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 697                                 return it;
 698                         }else {
 699                                 if (candidate){
 700                                         if (it->recv_fmtp==NULL) candidate=it;
 701                                 }else candidate=it;
 702                         }
 703                 }
 704         }
 705         if (candidate && recv_fmtp){
 706                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 707         }
 708         return candidate;
 709 }
 710
 711 static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
 712         char codeckey[50];
 713         const char *mime,*fmtp;
 714         int rate,channels,enabled;
 715         PayloadType *pt;
 716         LpConfig *config=lc->config;
 717
 718         *ret=NULL;
 719         snprintf(codeckey,50,"%s_%i",type,index);
 720         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 721         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 722
 723         rate=lp_config_get_int(config,codeckey,"rate",8000);
 724         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 725         channels=lp_config_get_int(config,codeckey,"channels",0);
 726         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 727         pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
 728         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 729         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 730         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 731                         mime,rate,fmtp ? fmtp : "");
 732         *ret=pt;
 733         return TRUE;
 734 }
 735
 736 #define RANK_END 10000
 737
 738 typedef struct codec_desc{
 739         const char *name;
 740         int rate;
 741 }codec_desc_t;
 742
 743 static codec_desc_t codec_pref_order[]={
 744         {"SILK", 16000},
 745         {"speex", 16000},
 746         {"speex", 8000},
 747         {"pcmu",8000},
 748         {"pcma",8000},
 749         {"VP8",90000},
 750         {"H264",90000},
 751         {"MP4V-ES",90000},
 752         {NULL,0}
 753 };
 754
 755 static int find_codec_rank(const char *mime, int clock_rate){
 756         int i;
 757         for(i=0;codec_pref_order[i].name!=NULL;++i){
 758                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 759                         return i;
 760         }
 761         return RANK_END;
 762 }
 763
 764 static int codec_compare(const PayloadType *a, const PayloadType *b){
 765         int ra,rb;
 766         ra=find_codec_rank(a->mime_type,a->clock_rate);
 767         rb=find_codec_rank(b->mime_type,b->clock_rate);
 768         if (ra>rb) return 1;
 769         if (ra<rb) return -1;
 770         return 0;
 771 }
 772
 773 static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
 774         int i;
 775         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 776                 PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
 777                 if (pt){
 778                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 779                                 pt=NULL;
 780                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 781                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 782                                 pt=NULL;
 783                         }
 784                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 785                                 if (ms_list_find(l,pt)==NULL){
 786                                         /*unranked codecs are disabled by default*/
 787                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 788                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 789                                         }
 790                                         ms_message("Adding new codec %s/%i with fmtp %s",
 791                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 792                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 793                                 }
 794                         }
 795                 }
 796         }
 797         return l;
 798 }
 799
 800 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 801         MSList *elem;
 802         for (elem=l;elem!=NULL;elem=elem->next){
 803                 PayloadType *ept=(PayloadType*)elem->data;
 804                 if (pt==ept)
 805                         return l;
 806         }
 807         l=ms_list_append(l,pt);
 808         return l;
 809 }
 810
 811 static void codecs_config_read(LinphoneCore *lc)
 812 {
 813         int i;
 814         PayloadType *pt;
 815         MSList *audio_codecs=NULL;
 816         MSList *video_codecs=NULL;
 817         for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
 818                 if (pt){
 819                         if (!ms_filter_codec_supported(pt->mime_type)){
 820                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 821                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 822                 }
 823         }
 824         audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
 825         for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
 826                 if (pt){
 827                         if (!ms_filter_codec_supported(pt->mime_type)){
 828                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 829                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 830                 }
 831         }
 832         video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
 833         linphone_core_set_audio_codecs(lc,audio_codecs);
 834         linphone_core_set_video_codecs(lc,video_codecs);
 835         linphone_core_update_allocated_audio_bandwidth(lc);
 836 }
 837
 838 static void build_video_devices_table(LinphoneCore *lc){
 839         const MSList *elem;
 840         int i;
 841         int ndev;
 842         const char **devices;
 843         if (lc->video_conf.cams)
 844                 ms_free(lc->video_conf.cams);
 845         /* retrieve all video devices */
 846         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 847         ndev=ms_list_size(elem);
 848         devices=ms_malloc((ndev+1)*sizeof(const char *));
 849         for (i=0;elem!=NULL;elem=elem->next,i++){
 850                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 851         }
 852         devices[ndev]=NULL;
 853         lc->video_conf.cams=devices;
 854 }
 855
 856 static void video_config_read(LinphoneCore *lc){
 857 #ifdef VIDEO_ENABLED
 858         int capture, display, self_view;
 859 #endif
 860         const char *str;
 861 #ifdef VIDEO_ENABLED
 862         LinphoneVideoPolicy vpol;
 863         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 864 #endif
 865         build_video_devices_table(lc);
 866
 867         str=lp_config_get_string(lc->config,"video","device",NULL);
 868         if (str && str[0]==0) str=NULL;
 869         linphone_core_set_video_device(lc,str);
 870
 871         linphone_core_set_preferred_video_size_by_name(lc,
 872                 lp_config_get_string(lc->config,"video","size","cif"));
 873
 874 #ifdef VIDEO_ENABLED
 875         capture=lp_config_get_int(lc->config,"video","capture",1);
 876         display=lp_config_get_int(lc->config,"video","display",1);
 877         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 878         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 879         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 880         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 881         if(lc->video_conf.displaytype)
 882                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 883
 884         linphone_core_enable_video(lc,capture,display);
 885         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 886         linphone_core_enable_self_view(lc,self_view);
 887         linphone_core_set_video_policy(lc,&vpol);
 888 #endif
 889 }
 890
 891 static void ui_config_read(LinphoneCore *lc)
 892 {
 893         LinphoneFriend *lf;
 894         int i;
 895         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 896                 linphone_core_add_friend(lc,lf);
 897         }
 898         call_logs_read_from_config_file(lc);
 899 }
 900
 901 /*
 902 static void autoreplier_config_init(LinphoneCore *lc)
 903 {
 904         autoreplier_config_t *config=&lc->autoreplier_conf;
 905         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 906         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 907         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 908         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 909         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 910         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 911 }
 912 */
 913
 914 bool_t linphone_core_tunnel_available(void){
 915 #ifdef TUNNEL_ENABLED
 916         return TRUE;
 917 #else
 918         return FALSE;
 919 #endif
 920 }
 921
 922 /**
 923  * Enable adaptive rate control (experimental feature, audio-only).
 924  *
 925  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 926  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 927  * available bandwidth.
 928 **/
 929 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 930         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 931 }
 932
 933 /**
 934  * Returns whether adaptive rate control is enabled.
 935  *
 936  * See linphone_core_enable_adaptive_rate_control().
 937 **/
 938 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 939         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 940 }
 941
 942 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 943         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 944 }
 945
 946 /**
 947  * Sets maximum available download bandwidth
 948  *
 949  * @ingroup media_parameters
 950  *
 951  * This is IP bandwidth, in kbit/s.
 952  * This information is used signaled to other parties during
 953  * calls (within SDP messages) so that the remote end can have
 954  * sufficient knowledge to properly configure its audio & video
 955  * codec output bitrate to not overflow available bandwidth.
 956  *
 957  * @param lc the LinphoneCore object
 958  * @param bw the bandwidth in kbits/s, 0 for infinite
 959  */
 960 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 961         lc->net_conf.download_bw=bw;
 962         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 963 }
 964
 965 /**
 966  * Sets maximum available upload bandwidth
 967  *
 968  * @ingroup media_parameters
 969  *
 970  * This is IP bandwidth, in kbit/s.
 971  * This information is used by liblinphone together with remote
 972  * side available bandwidth signaled in SDP messages to properly
 973  * configure audio & video codec's output bitrate.
 974  *
 975  * @param lc the LinphoneCore object
 976  * @param bw the bandwidth in kbits/s, 0 for infinite
 977  */
 978 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 979         lc->net_conf.upload_bw=bw;
 980         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 981 }
 982
 983 /**
 984  * Retrieve the maximum available download bandwidth.
 985  *
 986  * @ingroup media_parameters
 987  *
 988  * This value was set by linphone_core_set_download_bandwidth().
 989  *
 990 **/
 991 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 992         return lc->net_conf.download_bw;
 993 }
 994
 995 /**
 996  * Retrieve the maximum available upload bandwidth.
 997  *
 998  * @ingroup media_parameters
 999  *
1000  * This value was set by linphone_core_set_upload_bandwidth().
1001  *
1002 **/
1003 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1004         return lc->net_conf.upload_bw;
1005 }
1006 /**
1007  * Set audio packetization time linphone expects to receive from peer
1008  */
1009 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1010         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1011 }
1012
1013 /**
1014  * Get audio packetization time linphone expects to receive from peer
1015  */
1016 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1017         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1018 }
1019
1020 /**
1021  * Set audio packetization time linphone will send (in absence of requirement from peer)
1022  * A value of 0 stands for the current codec default packetization time.
1023  *
1024 **/
1025 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1026         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1027 }
1028
1029 /**
1030  * Set audio packetization time linphone will send (in absence of requirement from peer)
1031  * A value of 0 stands for the current codec default packetization time.
1032  *
1033 **/
1034 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1035         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1036 }
1037
1038
1039
1040 /**
1041  * Returns liblinphone's version as a string.
1042  *
1043  * @ingroup misc
1044  *
1045 **/
1046 const char * linphone_core_get_version(void){
1047         return liblinphone_version;
1048 }
1049
1050 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1051         PayloadType *pt;
1052         pt=payload_type_clone(const_pt);
1053         if (number==-1){
1054                 /*look for a free number */
1055                 MSList *elem;
1056                 int i;
1057                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1058                         bool_t already_assigned=FALSE;
1059                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1060                                 PayloadType *it=(PayloadType*)elem->data;
1061                                 if (payload_type_get_number(it)==i){
1062                                         already_assigned=TRUE;
1063                                         break;
1064                                 }
1065                         }
1066                         if (!already_assigned){
1067                                 number=i;
1068                                 lc->dyn_pt=i+1;
1069                                 break;
1070                         }
1071                 }
1072                 if (number==-1){
1073                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1074                 }
1075         }
1076         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1077         payload_type_set_number(pt,number);
1078         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1079         rtp_profile_set_payload(lc->default_profile,number,pt);
1080         lc->payload_types=ms_list_append(lc->payload_types,pt);
1081 }
1082
1083 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1084         RtpProfile *prof=&av_profile;
1085         int i;
1086         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1087                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1088                 if (pt){
1089                         if (payload_type_get_number(pt)!=i){
1090                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1091                         }
1092                 }
1093         }
1094 }
1095
1096 static void linphone_core_free_payload_types(LinphoneCore *lc){
1097         rtp_profile_clear_all(lc->default_profile);
1098         rtp_profile_destroy(lc->default_profile);
1099         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1100         ms_list_free(lc->payload_types);
1101         lc->payload_types=NULL;
1102 }
1103
1104 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1105         lc->state=gstate;
1106         if (lc->vtable.global_state_changed){
1107                 lc->vtable.global_state_changed(lc,gstate,message);
1108         }
1109 }
1110 static void misc_config_read (LinphoneCore *lc) {
1111         LpConfig *config=lc->config;
1112     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1113     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1114 }
1115
1116
1117
1118
1119 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1120     const char *factory_config_path, void * userdata)
1121 {
1122         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1123         memset (lc, 0, sizeof (LinphoneCore));
1124         lc->data=userdata;
1125         lc->ringstream_autorelease=TRUE;
1126
1127         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1128
1129         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1130         ortp_init();
1131         lc->dyn_pt=96;
1132         lc->default_profile=rtp_profile_new("default profile");
1133         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1134         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1135         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1136         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1137         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1138         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1139         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1140         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1141
1142 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1143         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1144          - to workaround potential packet losses
1145          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1146          */
1147         _linphone_core_configure_resolver();
1148 #endif
1149
1150 #ifdef ENABLE_NONSTANDARD_GSM
1151         {
1152                 PayloadType *pt;
1153                 pt=payload_type_clone(&payload_type_gsm);
1154                 pt->clock_rate=11025;
1155                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1156                 pt->clock_rate=22050;
1157                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1158                 payload_type_destroy(pt);
1159         }
1160 #endif
1161
1162 #ifdef VIDEO_ENABLED
1163         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1164         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1165         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1166         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1167         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1168         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1169         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1170         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1171         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1172 #endif
1173
1174         /*add all payload type for which we don't care about the number */
1175         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1176         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1177         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1178         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1179         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1180         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1181         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1182         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1183         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1184         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1185         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1186         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1187         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1188         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1189         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1190         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1191         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1192         linphone_core_handle_static_payloads(lc);
1193
1194         ms_init();
1195         /* create a mediastreamer2 event queue and set it as global */
1196         /* This allows to run event's callback in linphone_core_iterate() */
1197         lc->msevq=ms_event_queue_new();
1198         ms_set_global_event_queue(lc->msevq);
1199
1200         lc->config=lp_config_new(config_path);
1201         if (factory_config_path)
1202                 lp_config_read_file(lc->config,factory_config_path);
1203
1204         lc->sal=sal_init();
1205         sal_set_user_pointer(lc->sal,lc);
1206         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1207
1208         lc->network_last_check = 0;
1209         lc->network_last_status = FALSE;
1210
1211         sip_setup_register_all();
1212         sound_config_read(lc);
1213         net_config_read(lc);
1214         rtp_config_read(lc);
1215         codecs_config_read(lc);
1216         sip_config_read(lc); /* this will start eXosip*/
1217         video_config_read(lc);
1218         //autoreplier_config_init(&lc->autoreplier_conf);
1219         lc->presence_mode=LinphoneStatusOnline;
1220         misc_config_read(lc);
1221         ui_config_read(lc);
1222 #ifdef TUNNEL_ENABLED
1223         lc->tunnel=linphone_core_tunnel_new(lc);
1224         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1225 #endif
1226 #ifdef BUILD_UPNP
1227         lc->upnp = linphone_upnp_context_new(lc);
1228 #endif  //BUILD_UPNP
1229         if (lc->vtable.display_status)
1230                 lc->vtable.display_status(lc,_("Ready"));
1231         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1232         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1233 }
1234
1235 /**
1236  * Instanciates a LinphoneCore object.
1237  * @ingroup initializing
1238  *
1239  * The LinphoneCore object is the primary handle for doing all phone actions.
1240  * It should be unique within your application.
1241  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1242  * @param config_path a path to a config file. If it does not exists it will be created.
1243  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1244  *             become persistent over the life of the LinphoneCore object.
1245  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1246  * @param factory_config_path a path to a read-only config file that can be used to
1247  *        to store hard-coded preference such as proxy settings or internal preferences.
1248  *        The settings in this factory file always override the one in the normal config file.
1249  *        It is OPTIONAL, use NULL if unneeded.
1250  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1251  *        callbacks) using linphone_core_get_user_data().
1252  *
1253 **/
1254 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1255                                                 const char *config_path, const char *factory_config_path, void * userdata)
1256 {
1257         LinphoneCore *core=ms_new(LinphoneCore,1);
1258         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1259         return core;
1260 }
1261
1262 /**
1263  * Returns the list of available audio codecs.
1264  *
1265  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1266  * structure holding the codec information.
1267  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1268  * (such as the order of codecs).
1269 **/
1270 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1271 {
1272         return lc->codecs_conf.audio_codecs;
1273 }
1274
1275 /**
1276  * Returns the list of available video codecs.
1277  *
1278  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1279  * structure holding the codec information.
1280  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1281  * (such as the order of codecs).
1282 **/
1283 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1284 {
1285         return lc->codecs_conf.video_codecs;
1286 }
1287
1288 /**
1289  * Sets the local "from" identity.
1290  *
1291  * @ingroup proxies
1292  * This data is used in absence of any proxy configuration or when no
1293  * default proxy configuration is set. See LinphoneProxyConfig
1294 **/
1295 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1296 {
1297         LinphoneAddress *ctt;
1298
1299         if ((ctt=linphone_address_new(contact))==0) {
1300                 ms_error("Bad contact url: %s",contact);
1301                 return -1;
1302         }
1303         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1304         lc->sip_conf.contact=ms_strdup(contact);
1305         if (lc->sip_conf.guessed_contact!=NULL){
1306                 ms_free(lc->sip_conf.guessed_contact);
1307                 lc->sip_conf.guessed_contact=NULL;
1308         }
1309         linphone_address_destroy(ctt);
1310         return 0;
1311 }
1312
1313
1314 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1315 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1316         const char *ip;
1317         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1318             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1319                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1320                 return;
1321         }
1322 #ifdef BUILD_UPNP
1323         else if (lc->upnp != NULL && linphone_core_get_firewall_policy(lc)==LinphonePolicyUseUpnp &&
1324                         linphone_upnp_context_get_state(lc->upnp) == LinphoneUpnpStateOk) {
1325                 ip = linphone_upnp_context_get_external_ipaddress(lc->upnp);
1326                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1327                 return;
1328         }
1329 #endif  //BUILD_UPNP
1330         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1331                 return;
1332         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1333         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1334 }
1335
1336 static void update_primary_contact(LinphoneCore *lc){
1337         char *guessed=NULL;
1338         char tmp[LINPHONE_IPADDR_SIZE];
1339
1340         LinphoneAddress *url;
1341         if (lc->sip_conf.guessed_contact!=NULL){
1342                 ms_free(lc->sip_conf.guessed_contact);
1343                 lc->sip_conf.guessed_contact=NULL;
1344         }
1345         url=linphone_address_new(lc->sip_conf.contact);
1346         if (!url){
1347                 ms_error("Could not parse identity contact !");
1348                 url=linphone_address_new("sip:unknown@unkwownhost");
1349         }
1350         linphone_core_get_local_ip(lc, NULL, tmp);
1351         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1352                 ms_warning("Local loopback network only !");
1353                 lc->sip_conf.loopback_only=TRUE;
1354         }else lc->sip_conf.loopback_only=FALSE;
1355         linphone_address_set_domain(url,tmp);
1356         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1357         guessed=linphone_address_as_string(url);
1358         lc->sip_conf.guessed_contact=guessed;
1359         linphone_address_destroy(url);
1360 }
1361
1362 /**
1363  * Returns the default identity when no proxy configuration is used.
1364  *
1365  * @ingroup proxies
1366 **/
1367 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1368         char *identity;
1369
1370         if (lc->sip_conf.guess_hostname){
1371                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1372                         update_primary_contact(lc);
1373                 }
1374                 identity=lc->sip_conf.guessed_contact;
1375         }else{
1376                 identity=lc->sip_conf.contact;
1377         }
1378         return identity;
1379 }
1380
1381 /**
1382  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1383  *
1384  * @ingroup proxies
1385 **/
1386 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1387         lc->sip_conf.guess_hostname=val;
1388 }
1389
1390 /**
1391  * Returns TRUE if hostname part of primary contact is guessed automatically.
1392  *
1393  * @ingroup proxies
1394 **/
1395 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1396         return lc->sip_conf.guess_hostname;
1397 }
1398
1399 /**
1400  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1401  * instead of const char*
1402  *
1403  * @ingroup proxies
1404 **/
1405 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1406         return linphone_address_new(linphone_core_get_primary_contact(lc));
1407 }
1408
1409 /**
1410  * Sets the list of audio codecs.
1411  *
1412  * @ingroup media_parameters
1413  * The list is taken by the LinphoneCore thus the application should not free it.
1414  * This list is made of struct PayloadType describing the codec parameters.
1415 **/
1416 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1417 {
1418         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1419         lc->codecs_conf.audio_codecs=codecs;
1420         _linphone_core_codec_config_write(lc);
1421         return 0;
1422 }
1423
1424 /**
1425  * Sets the list of video codecs.
1426  *
1427  * @ingroup media_parameters
1428  * The list is taken by the LinphoneCore thus the application should not free it.
1429  * This list is made of struct PayloadType describing the codec parameters.
1430 **/
1431 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1432 {
1433         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1434         lc->codecs_conf.video_codecs=codecs;
1435         _linphone_core_codec_config_write(lc);
1436         return 0;
1437 }
1438
1439 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1440 {
1441         return lc->friends;
1442 }
1443
1444 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1445 {
1446         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1447 }
1448
1449 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1450 {
1451         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1452 }
1453
1454 /**
1455  * Returns the nominal audio jitter buffer size in milliseconds.
1456  *
1457  * @ingroup media_parameters
1458 **/
1459 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1460 {
1461         return lc->rtp_conf.audio_jitt_comp;
1462 }
1463
1464 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1465 {
1466         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1467 }
1468
1469 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1470 {
1471         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1472 }
1473
1474 /**
1475  * Returns the nominal video jitter buffer size in milliseconds.
1476  *
1477  * @ingroup media_parameters
1478 **/
1479 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1480 {
1481         return lc->rtp_conf.video_jitt_comp;
1482 }
1483
1484 /**
1485  * Returns the UDP port used for audio streaming.
1486  *
1487  * @ingroup network_parameters
1488 **/
1489 int linphone_core_get_audio_port(const LinphoneCore *lc)
1490 {
1491         return lc->rtp_conf.audio_rtp_min_port;
1492 }
1493
1494 /**
1495  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1496  *
1497  * @ingroup network_parameters
1498  */
1499 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1500 {
1501         *min_port = lc->rtp_conf.audio_rtp_min_port;
1502         *max_port = lc->rtp_conf.audio_rtp_max_port;
1503 }
1504
1505 /**
1506  * Returns the UDP port used for video streaming.
1507  *
1508  * @ingroup network_parameters
1509 **/
1510 int linphone_core_get_video_port(const LinphoneCore *lc){
1511         return lc->rtp_conf.video_rtp_min_port;
1512 }
1513
1514 /**
1515  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1516  *
1517  * @ingroup network_parameters
1518  */
1519 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1520 {
1521         *min_port = lc->rtp_conf.video_rtp_min_port;
1522         *max_port = lc->rtp_conf.video_rtp_max_port;
1523 }
1524
1525
1526 /**
1527  * Returns the value in seconds of the no-rtp timeout.
1528  *
1529  * @ingroup media_parameters
1530  * When no RTP or RTCP packets have been received for a while
1531  * LinphoneCore will consider the call is broken (remote end crashed or
1532  * disconnected from the network), and thus will terminate the call.
1533  * The no-rtp timeout is the duration above which the call is considered broken.
1534 **/
1535 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1536         return lc->rtp_conf.nortp_timeout;
1537 }
1538
1539 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1540         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1541 }
1542
1543 /**
1544  * Sets the nominal audio jitter buffer size in milliseconds.
1545  *
1546  * @ingroup media_parameters
1547 **/
1548 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1549 {
1550         lc->rtp_conf.audio_jitt_comp=value;
1551 }
1552
1553 /**
1554  * Sets the nominal video jitter buffer size in milliseconds.
1555  *
1556  * @ingroup media_parameters
1557 **/
1558 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1559 {
1560         lc->rtp_conf.video_jitt_comp=value;
1561 }
1562
1563 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1564         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1565 }
1566
1567 /**
1568  * Sets the UDP port used for audio streaming.
1569  *
1570  * @ingroup network_parameters
1571 **/
1572 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1573 {
1574         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1575 }
1576
1577 /**
1578  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1579  */
1580 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1581 {
1582         lc->rtp_conf.audio_rtp_min_port=min_port;
1583         lc->rtp_conf.audio_rtp_max_port=max_port;
1584 }
1585
1586 /**
1587  * Sets the UDP port used for video streaming.
1588  *
1589  * @ingroup network_parameters
1590 **/
1591 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1592         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1593 }
1594
1595 /**
1596  * Sets the UDP port range from which to randomly select the port used for video streaming.
1597  */
1598 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1599 {
1600         lc->rtp_conf.video_rtp_min_port=min_port;
1601         lc->rtp_conf.video_rtp_max_port=max_port;
1602 }
1603
1604 /**
1605  * Sets the no-rtp timeout value in seconds.
1606  *
1607  * @ingroup media_parameters
1608  * See linphone_core_get_nortp_timeout() for details.
1609 **/
1610 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1611         lc->rtp_conf.nortp_timeout=nortp_timeout;
1612 }
1613
1614 /**
1615  * Indicates whether SIP INFO is used for sending digits.
1616  *
1617  * @ingroup media_parameters
1618 **/
1619 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1620 {
1621         return lc->sip_conf.use_info;
1622 }
1623
1624 /**
1625  * Sets whether SIP INFO is to be used for sending digits.
1626  *
1627  * @ingroup media_parameters
1628 **/
1629 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1630 {
1631         lc->sip_conf.use_info=use_info;
1632 }
1633
1634 /**
1635  * Indicates whether RFC2833 is used for sending digits.
1636  *
1637  * @ingroup media_parameters
1638 **/
1639 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1640 {
1641         return lc->sip_conf.use_rfc2833;
1642 }
1643
1644 /**
1645  * Sets whether RFC2833 is to be used for sending digits.
1646  *
1647  * @ingroup media_parameters
1648 **/
1649 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1650 {
1651         lc->sip_conf.use_rfc2833=use_rfc2833;
1652 }
1653
1654 /**
1655  * Returns the UDP port used by SIP.
1656  *
1657  * Deprecated: use linphone_core_get_sip_transports() instead.
1658  * @ingroup network_parameters
1659 **/
1660 int linphone_core_get_sip_port(LinphoneCore *lc)
1661 {
1662         LCSipTransports *tr=&lc->sip_conf.transports;
1663         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1664 }
1665
1666 static char _ua_name[64]="Linphone";
1667 static char _ua_version[64]=LINPHONE_VERSION;
1668
1669 #ifdef HAVE_EXOSIP_GET_VERSION
1670 extern const char *eXosip_get_version();
1671 #endif
1672
1673 static void apply_user_agent(LinphoneCore *lc){
1674         char ua_string[256];
1675         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1676 #ifdef HAVE_EXOSIP_GET_VERSION
1677                  eXosip_get_version()
1678 #else
1679                  "unknown"
1680 #endif
1681         );
1682         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1683 }
1684
1685 /**
1686  * Sets the user agent string used in SIP messages.
1687  *
1688  * @ingroup misc
1689 **/
1690 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1691         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1692         strncpy(_ua_version,ver,sizeof(_ua_version));
1693         apply_user_agent(lc);
1694 }
1695
1696 const char *linphone_core_get_user_agent_name(void){
1697         return _ua_name;
1698 }
1699
1700 const char *linphone_core_get_user_agent_version(void){
1701         return _ua_version;
1702 }
1703
1704 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1705         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1706         ms_warning("%s",msg);
1707         if (lc->vtable.display_warning)
1708                 lc->vtable.display_warning(lc,msg);
1709         ms_free(msg);
1710 }
1711
1712 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1713         return
1714                 tr2->udp_port==tr1->udp_port &&
1715                 tr2->tcp_port==tr1->tcp_port &&
1716                 tr2->dtls_port==tr1->dtls_port &&
1717                 tr2->tls_port==tr1->tls_port;
1718 }
1719
1720 static int apply_transports(LinphoneCore *lc){
1721         Sal *sal=lc->sal;
1722         const char *anyaddr;
1723         LCSipTransports *tr=&lc->sip_conf.transports;
1724
1725         /*first of all invalidate all current registrations so that we can register again with new transports*/
1726         __linphone_core_invalidate_registers(lc);
1727
1728         if (lc->sip_conf.ipv6_enabled)
1729                 anyaddr="::0";
1730         else
1731                 anyaddr="0.0.0.0";
1732
1733         sal_unlisten_ports(sal);
1734         if (tr->udp_port>0){
1735                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1736                         transport_error(lc,"udp",tr->udp_port);
1737                         return -1;
1738                 }
1739         }
1740         if (tr->tcp_port>0){
1741                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1742                         transport_error(lc,"tcp",tr->tcp_port);
1743                 }
1744         }
1745         if (tr->tls_port>0){
1746                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1747                         transport_error(lc,"tls",tr->tls_port);
1748                 }
1749         }
1750         apply_user_agent(lc);
1751         return 0;
1752 }
1753
1754 /**
1755  * Sets the ports to be used for each of transport (UDP or TCP)
1756  *
1757  * A zero value port for a given transport means the transport
1758  * is not used.
1759  *
1760  * @ingroup network_parameters
1761 **/
1762 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1763
1764         if (transports_unchanged(tr,&lc->sip_conf.transports))
1765                 return 0;
1766         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1767
1768         if (linphone_core_ready(lc)){
1769                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1770                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1771                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1772         }
1773
1774         if (lc->sal==NULL) return 0;
1775         return apply_transports(lc);
1776 }
1777
1778 /**
1779  * Retrieves the ports used for each transport (udp, tcp).
1780  * A zero value port for a given transport means the transport
1781  * is not used.
1782  * @ingroup network_parameters
1783 **/
1784 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1785         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1786         return 0;
1787 }
1788
1789 /**
1790  * Sets the UDP port to be used by SIP.
1791  *
1792  * Deprecated: use linphone_core_set_sip_transports() instead.
1793  * @ingroup network_parameters
1794 **/
1795 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1796 {
1797         LCSipTransports tr;
1798         memset(&tr,0,sizeof(tr));
1799         tr.udp_port=port;
1800         linphone_core_set_sip_transports (lc,&tr);
1801 }
1802
1803 /**
1804  * Returns TRUE if IPv6 is enabled.
1805  *
1806  * @ingroup network_parameters
1807  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1808 **/
1809 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1810         return lc->sip_conf.ipv6_enabled;
1811 }
1812
1813 /**
1814  * Turns IPv6 support on or off.
1815  *
1816  * @ingroup network_parameters
1817  *
1818  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1819  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1820  * By default IPv6 support is off.
1821 **/
1822 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1823         if (lc->sip_conf.ipv6_enabled!=val){
1824                 lc->sip_conf.ipv6_enabled=val;
1825                 if (lc->sal){
1826                         /* we need to restart eXosip */
1827                         apply_transports(lc);
1828                 }
1829         }
1830 }
1831
1832
1833 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1834         char result[LINPHONE_IPADDR_SIZE];
1835         bool_t new_status=lc->network_last_status;
1836
1837         /* only do the network up checking every five seconds */
1838         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1839                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1840                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1841                         new_status=TRUE;
1842                 }else new_status=FALSE;
1843                 lc->network_last_check=curtime;
1844                 if (new_status!=lc->network_last_status) {
1845                         if (new_status){
1846                                 ms_message("New local ip address is %s",result);
1847                         }
1848                         set_network_reachable(lc,new_status, curtime);
1849                         lc->network_last_status=new_status;
1850                 }
1851         }
1852 }
1853
1854 static void proxy_update(LinphoneCore *lc){
1855         MSList *elem,*next;
1856         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1857         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1858                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1859                 next=elem->next;
1860                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1861                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1862                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1863                         linphone_proxy_config_destroy(cfg);
1864                 }
1865         }
1866 }
1867
1868 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1869         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1870         if (lf!=NULL){
1871                 lf->info=info;
1872                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1873                 if (lc->vtable.buddy_info_updated)
1874                         lc->vtable.buddy_info_updated(lc,lf);
1875         }else{
1876                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1877         }
1878 }
1879
1880 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1881         MSList *elem;
1882         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1883         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1884                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1885                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1886                         if (req->results!=NULL){
1887                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1888                                 ms_list_free(req->results);
1889                                 req->results=NULL;
1890                                 assign_buddy_info(lc,i);
1891                         }
1892                         sip_setup_context_buddy_lookup_free(ctx,req);
1893                         elem->data=NULL;
1894                 }
1895         }
1896         /*purge completed requests */
1897         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1898                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1899         }
1900 }
1901
1902 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1903         const MSList *elem;
1904         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1905         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1906                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1907                 if (lf->info==NULL){
1908                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1909                                 if (linphone_address_get_username(lf->uri)!=NULL){
1910                                         BuddyLookupRequest *req;
1911                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1912                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1913                                         buddy_lookup_request_set_key(req,tmp);
1914                                         buddy_lookup_request_set_max_results(req,1);
1915                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1916                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1917                                         ms_free(tmp);
1918                                 }
1919                         }
1920                 }
1921         }
1922 }
1923
1924 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1925         LinphoneProxyConfig *cfg=NULL;
1926         linphone_core_get_default_proxy(lc,&cfg);
1927         if (cfg){
1928                 if (lc->bl_refresh){
1929                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1930                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1931                                 linphone_core_grab_buddy_infos(lc,cfg);
1932                                 lc->bl_refresh=FALSE;
1933                         }
1934                 }
1935                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1936         }
1937 }
1938
1939 /**
1940  * Main loop function. It is crucial that your application call it periodically.
1941  *
1942  * @ingroup initializing
1943  * linphone_core_iterate() performs various backgrounds tasks:
1944  * - receiving of SIP messages
1945  * - handles timers and timeout
1946  * - performs registration to proxies
1947  * - authentication retries
1948  * The application MUST call this function periodically, in its main loop.
1949  * Be careful that this function must be called from the same thread as
1950  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1951  * serialized with a mutex.
1952 **/
1953 void linphone_core_iterate(LinphoneCore *lc){
1954         MSList *calls;
1955         LinphoneCall *call;
1956         time_t curtime=time(NULL);
1957         int elapsed;
1958         bool_t one_second_elapsed=FALSE;
1959
1960         if (curtime-lc->prevtime>=1){
1961                 lc->prevtime=curtime;
1962                 one_second_elapsed=TRUE;
1963         }
1964
1965         if (lc->ecc!=NULL){
1966                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1967                 if (ecs!=LinphoneEcCalibratorInProgress){
1968                         if (lc->ecc->cb)
1969                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1970                         if (ecs==LinphoneEcCalibratorDone){
1971                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1972                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1973                         } else if (ecs == LinphoneEcCalibratorFailed) {
1974                                 lp_config_set_int(lc->config, "sound", "ec_delay", LP_CONFIG_DEFAULT_INT(lc->config, "ec_delay", 250));
1975                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
1976                                 linphone_core_enable_echo_cancellation(lc, FALSE);
1977                         }
1978                         ec_calibrator_destroy(lc->ecc);
1979                         lc->ecc=NULL;
1980                 }
1981         }
1982
1983         if (lc->preview_finished){
1984                 lc->preview_finished=0;
1985                 ring_stop(lc->ringstream);
1986                 lc->ringstream=NULL;
1987                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1988         }
1989
1990         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1991             && (curtime-lc->dmfs_playing_start_time)>5){
1992                 ring_stop(lc->ringstream);
1993                 lc->ringstream=NULL;
1994                 lc->dmfs_playing_start_time=0;
1995         }
1996
1997         sal_iterate(lc->sal);
1998         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1999         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
2000
2001         proxy_update(lc);
2002
2003         //we have to iterate for each call
2004         calls= lc->calls;
2005         while(calls!= NULL){
2006                 call = (LinphoneCall *)calls->data;
2007                 elapsed = curtime-call->start_time;
2008                  /* get immediately a reference to next one in case the one
2009                  we are going to examine is destroy and removed during
2010                  linphone_core_start_invite() */
2011                 calls=calls->next;
2012                 linphone_call_background_tasks(call,one_second_elapsed);
2013                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
2014                         /*start the call even if the OPTIONS reply did not arrive*/
2015                         if (call->ice_session != NULL) {
2016                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2017                                                 ,linphone_core_get_stun_server(lc));
2018                                 linphone_call_delete_ice_session(call);
2019                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2020                         }
2021 #ifdef BUILD_UPNP
2022                         if (call->upnp_session != NULL) {
2023                                 ms_warning("uPnP mapping has not finished yet, proceeded with the call without uPnP anyway.");
2024                                 linphone_call_delete_upnp_session(call);
2025                         }
2026 #endif //BUILD_UPNP
2027                         linphone_core_start_invite(lc,call);
2028                 }
2029                 if (call->state==LinphoneCallIncomingReceived){
2030                         ms_message("incoming call ringing for %i seconds",elapsed);
2031                         if (elapsed>lc->sip_conf.inc_timeout){
2032                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2033                                 call->log->status=LinphoneCallMissed;
2034                                 call->reason=LinphoneReasonNotAnswered;
2035                                 linphone_core_terminate_call(lc,call);
2036                         }
2037                 }
2038                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2039                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2040                         linphone_core_terminate_call(lc,call);
2041                 }
2042         }
2043
2044         if (linphone_core_video_preview_enabled(lc)){
2045                 if (lc->previewstream==NULL && lc->calls==NULL)
2046                         toggle_video_preview(lc,TRUE);
2047 #ifdef VIDEO_ENABLED
2048                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2049 #endif
2050         }else{
2051                 if (lc->previewstream!=NULL)
2052                         toggle_video_preview(lc,FALSE);
2053         }
2054
2055         linphone_core_run_hooks(lc);
2056         linphone_core_do_plugin_tasks(lc);
2057
2058         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2059             (curtime-lc->netup_time)>3){
2060                 linphone_core_send_initial_subscribes(lc);
2061                 lc->initial_subscribes_sent=TRUE;
2062         }
2063
2064         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2065                 lp_config_sync(lc->config);
2066         }
2067 }
2068
2069 /**
2070  * Interpret a call destination as supplied by the user, and returns a fully qualified
2071  * LinphoneAddress.
2072  *
2073  * A sip address should look like DisplayName <sip:username@domain:port> .
2074  * Basically this function performs the following tasks
2075  * - if a phone number is entered, prepend country prefix of the default proxy
2076  *   configuration, eventually escape the '+' by 00.
2077  * - if no domain part is supplied, append the domain name of the default proxy
2078  * - if no sip: is present, prepend it
2079  *
2080  * The result is a syntaxically correct SIP address.
2081 **/
2082
2083 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2084         enum_lookup_res_t *enumres=NULL;
2085         char *enum_domain=NULL;
2086         LinphoneProxyConfig *proxy=lc->default_proxy;;
2087         char *tmpurl;
2088         LinphoneAddress *uri;
2089
2090         if (is_enum(url,&enum_domain)){
2091                 if (lc->vtable.display_status!=NULL)
2092                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2093                 if (enum_lookup(enum_domain,&enumres)<0){
2094                         if (lc->vtable.display_status!=NULL)
2095                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2096                         ms_free(enum_domain);
2097                         return NULL;
2098                 }
2099                 ms_free(enum_domain);
2100                 tmpurl=enumres->sip_address[0];
2101                 uri=linphone_address_new(tmpurl);
2102                 enum_lookup_res_free(enumres);
2103                 return uri;
2104         }
2105         /* check if we have a "sip:" */
2106         if (strstr(url,"sip:")==NULL){
2107                 /* this doesn't look like a true sip uri */
2108                 if (strchr(url,'@')!=NULL){
2109                         /* seems like sip: is missing !*/
2110                         tmpurl=ms_strdup_printf("sip:%s",url);
2111                         uri=linphone_address_new(tmpurl);
2112                         ms_free(tmpurl);
2113                         if (uri){
2114                                 return uri;
2115                         }
2116                 }
2117
2118                 if (proxy!=NULL){
2119                         /* append the proxy domain suffix */
2120                         const char *identity=linphone_proxy_config_get_identity(proxy);
2121                         char normalized_username[128];
2122                         uri=linphone_address_new(identity);
2123                         if (uri==NULL){
2124                                 return NULL;
2125                         }
2126                         linphone_address_set_display_name(uri,NULL);
2127                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2128                                                                 sizeof(normalized_username));
2129                         linphone_address_set_username(uri,normalized_username);
2130                         return uri;
2131                 }else return NULL;
2132         }
2133         uri=linphone_address_new(url);
2134         if (uri!=NULL){
2135                 return uri;
2136         }
2137         /* else we could not do anything with url given by user, so display an error */
2138         if (lc->vtable.display_warning!=NULL){
2139                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2140         }
2141         return NULL;
2142 }
2143
2144 /**
2145  * Returns the default identity SIP address.
2146  *
2147  * @ingroup proxies
2148  * This is an helper function:
2149  *
2150  * If no default proxy is set, this will return the primary contact (
2151  * see linphone_core_get_primary_contact() ). If a default proxy is set
2152  * it returns the registered identity on the proxy.
2153 **/
2154 const char * linphone_core_get_identity(LinphoneCore *lc){
2155         LinphoneProxyConfig *proxy=NULL;
2156         const char *from;
2157         linphone_core_get_default_proxy(lc,&proxy);
2158         if (proxy!=NULL) {
2159                 from=linphone_proxy_config_get_identity(proxy);
2160         }else from=linphone_core_get_primary_contact(lc);
2161         return from;
2162 }
2163
2164 const char * linphone_core_get_route(LinphoneCore *lc){
2165         LinphoneProxyConfig *proxy=NULL;
2166         const char *route=NULL;
2167         linphone_core_get_default_proxy(lc,&proxy);
2168         if (proxy!=NULL) {
2169                 route=linphone_proxy_config_get_route(proxy);
2170         }
2171         return route;
2172 }
2173
2174 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2175         if (call->refer_pending){
2176                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2177                 LinphoneCall *newcall;
2178                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2179                 cp->referer=call;
2180                 ms_message("Starting new call to refered address %s",call->refer_to);
2181                 call->refer_pending=FALSE;
2182                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2183                 linphone_call_params_destroy(cp);
2184                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2185         }
2186 }
2187
2188 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2189         if (referer->op!=NULL){
2190                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2191         }
2192 }
2193
2194 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2195         const MSList *elem;
2196         LinphoneProxyConfig *found_cfg=NULL;
2197         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2198
2199         /*always prefer the default proxy if it is matching the destination uri*/
2200         if (default_cfg){
2201                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2202                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2203                         return default_cfg;
2204         }
2205
2206         /*otherwise iterate through the other proxy config and return the first matching*/
2207         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2208                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2209                 const char *domain=linphone_proxy_config_get_domain(cfg);
2210                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2211                         found_cfg=cfg;
2212                         break;
2213                 }
2214         }
2215         return found_cfg;
2216 }
2217
2218 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2219         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2220         if (cfg==NULL)
2221                 linphone_core_get_default_proxy (lc,&cfg);
2222         if (cfg!=NULL){
2223                 if (route) *route=linphone_proxy_config_get_route(cfg);
2224                 return linphone_proxy_config_get_identity (cfg);
2225         }
2226         return linphone_core_get_primary_contact (lc);
2227 }
2228
2229 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2230         LinphoneAddress *ctt;
2231         const char *localip=call->localip;
2232
2233         /* first use user's supplied ip address if asked*/
2234         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2235                 ctt=linphone_core_get_primary_contact_parsed(lc);
2236                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2237                         linphone_core_get_nat_address_resolved(lc));
2238         }
2239
2240         /* if already choosed, don't change it */
2241         if (call->op && sal_op_get_contact(call->op)!=NULL){
2242                 return NULL;
2243         }
2244         /* if the ping OPTIONS request succeeded use the contact guessed from the
2245          received, rport*/
2246         if (call->ping_op){
2247                 const char *guessed=sal_op_get_contact(call->ping_op);
2248                 if (guessed){
2249                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2250                         return ms_strdup(guessed);
2251                 }
2252         }
2253
2254         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2255         if (dest_proxy && dest_proxy->op){
2256                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2257                 if (fixed_contact) {
2258                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2259                         return ms_strdup(fixed_contact);
2260                 }
2261         }
2262
2263         ctt=linphone_core_get_primary_contact_parsed(lc);
2264
2265         if (ctt!=NULL){
2266                 char *ret;
2267                 /*otherwise use supllied localip*/
2268                 linphone_address_set_domain(ctt,localip);
2269                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2270                 ret=linphone_address_as_string_uri_only(ctt);
2271                 linphone_address_destroy(ctt);
2272                 ms_message("Contact has been fixed using local ip to %s",ret);
2273                 return ret;
2274         }
2275         return NULL;
2276 }
2277
2278 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2279         bool_t ice_ready = FALSE;
2280         bool_t upnp_ready = FALSE;
2281         bool_t ping_ready = FALSE;
2282
2283         if (call->ice_session != NULL) {
2284                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2285         } else {
2286                 ice_ready = TRUE;
2287         }
2288 #ifdef BUILD_UPNP
2289         if (call->upnp_session != NULL) {
2290                 if (linphone_upnp_session_get_state(call->upnp_session) == LinphoneUpnpStateOk) upnp_ready = TRUE;
2291         } else {
2292                 upnp_ready = TRUE;
2293         }
2294 #endif //BUILD_UPNP
2295         if (call->ping_op != NULL) {
2296                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2297         } else {
2298                 ping_ready = TRUE;
2299         }
2300
2301         if ((ice_ready == TRUE) && (upnp_ready == TRUE) && (ping_ready == TRUE)) {
2302                 return linphone_core_start_invite(lc, call);
2303         }
2304         return 0;
2305 }
2306
2307 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2308         int err;
2309         char *contact;
2310         char *real_url,*barmsg;
2311         char *from;
2312         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2313
2314         /*try to be best-effort in giving real local or routable contact address */
2315         contact=get_fixed_contact(lc,call,dest_proxy);
2316         if (contact){
2317                 sal_op_set_contact(call->op, contact);
2318                 ms_free(contact);
2319         }
2320         linphone_core_stop_dtmf_stream(lc);
2321         linphone_call_init_media_streams(call);
2322         if (lc->ringstream==NULL)
2323                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2324         linphone_call_make_local_media_description(lc,call);
2325         if (!lc->sip_conf.sdp_200_ack){
2326                 call->media_pending=TRUE;
2327                 sal_call_set_local_media_description(call->op,call->localdesc);
2328         }
2329         real_url=linphone_address_as_string(call->log->to);
2330         from=linphone_address_as_string(call->log->from);
2331         err=sal_call(call->op,from,real_url);
2332         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2333
2334         if (lc->sip_conf.sdp_200_ack){
2335                 call->media_pending=TRUE;
2336                 sal_call_set_local_media_description(call->op,call->localdesc);
2337         }
2338         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2339         if (lc->vtable.display_status!=NULL)
2340                 lc->vtable.display_status(lc,barmsg);
2341         ms_free(barmsg);
2342
2343         if (err<0){
2344                 if (lc->vtable.display_status!=NULL)
2345                         lc->vtable.display_status(lc,_("Could not call"));
2346                 linphone_call_stop_media_streams(call);
2347                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2348         }else {
2349                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2350         }
2351         ms_free(real_url);
2352         ms_free(from);
2353         return err;
2354 }
2355
2356 /**
2357  * Initiates an outgoing call
2358  *
2359  * @ingroup call_control
2360  * @param lc the LinphoneCore object
2361  * @param url the destination of the call (sip address, or phone number).
2362  *
2363  * The application doesn't own a reference to the returned LinphoneCall object.
2364  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2365  *
2366  * @return a LinphoneCall object or NULL in case of failure
2367 **/
2368 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2369         LinphoneCall *call;
2370         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2371         p->has_video &= !!lc->video_policy.automatically_initiate;
2372         call=linphone_core_invite_with_params(lc,url,p);
2373         linphone_call_params_destroy(p);
2374         return call;
2375 }
2376
2377
2378 /**
2379  * Initiates an outgoing call according to supplied call parameters
2380  *
2381  * @ingroup call_control
2382  * @param lc the LinphoneCore object
2383  * @param url the destination of the call (sip address, or phone number).
2384  * @param p call parameters
2385  *
2386  * The application doesn't own a reference to the returned LinphoneCall object.
2387  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2388  *
2389  * @return a LinphoneCall object or NULL in case of failure
2390 **/
2391 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2392         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2393         if (addr){
2394                 LinphoneCall *call;
2395                 call=linphone_core_invite_address_with_params(lc,addr,p);
2396                 linphone_address_destroy(addr);
2397                 return call;
2398         }
2399         return NULL;
2400 }
2401
2402 /**
2403  * Initiates an outgoing call given a destination LinphoneAddress
2404  *
2405  * @ingroup call_control
2406  * @param lc the LinphoneCore object
2407  * @param addr the destination of the call (sip address).
2408  *
2409  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2410  * created by linphone_core_interpret_url().
2411  * The application doesn't own a reference to the returned LinphoneCall object.
2412  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2413  *
2414  * @return a LinphoneCall object or NULL in case of failure
2415 **/
2416 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2417         LinphoneCall *call;
2418         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2419         p->has_video &= !!lc->video_policy.automatically_initiate;
2420         call=linphone_core_invite_address_with_params (lc,addr,p);
2421         linphone_call_params_destroy(p);
2422         return call;
2423 }
2424
2425
2426 /**
2427  * Initiates an outgoing call given a destination LinphoneAddress
2428  *
2429  * @ingroup call_control
2430  * @param lc the LinphoneCore object
2431  * @param addr the destination of the call (sip address).
2432         @param params call parameters
2433  *
2434  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2435  * created by linphone_core_interpret_url().
2436  * The application doesn't own a reference to the returned LinphoneCall object.
2437  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2438  *
2439  * @return a LinphoneCall object or NULL in case of failure
2440 **/
2441 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2442 {
2443         const char *route=NULL;
2444         const char *from=NULL;
2445         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2446         LinphoneAddress *parsed_url2=NULL;
2447         char *real_url=NULL;
2448         LinphoneCall *call;
2449         bool_t defer = FALSE;
2450
2451         linphone_core_preempt_sound_resources(lc);
2452
2453         if(!linphone_core_can_we_add_call(lc)){
2454                 if (lc->vtable.display_warning)
2455                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2456                 return NULL;
2457         }
2458         linphone_core_get_default_proxy(lc,&proxy);
2459         route=linphone_core_get_route(lc);
2460
2461         real_url=linphone_address_as_string(addr);
2462         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2463
2464         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2465                 ms_message("Overriding default proxy setting for this call:");
2466                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2467         }
2468
2469         if (dest_proxy!=NULL)
2470                 from=linphone_proxy_config_get_identity(dest_proxy);
2471         else if (proxy!=NULL)
2472                 from=linphone_proxy_config_get_identity(proxy);
2473
2474         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2475         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2476
2477         parsed_url2=linphone_address_new(from);
2478
2479         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2480         call->dest_proxy=dest_proxy;
2481         sal_op_set_route(call->op,route);
2482
2483         if(linphone_core_add_call(lc,call)!= 0)
2484         {
2485                 ms_warning("we had a problem in adding the call into the invite ... weird");
2486                 linphone_call_unref(call);
2487                 return NULL;
2488         }
2489         /* this call becomes now the current one*/
2490         lc->current_call=call;
2491         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2492         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2493                 /* Defer the start of the call after the ICE gathering process. */
2494                 linphone_call_init_media_streams(call);
2495                 linphone_call_start_media_streams_for_ice_gathering(call);
2496                 call->start_time=time(NULL);
2497                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2498                         /* Ice candidates gathering failed, proceed with the call anyway. */
2499                         linphone_call_delete_ice_session(call);
2500                         linphone_call_stop_media_streams_for_ice_gathering(call);
2501                 } else {
2502                         defer = TRUE;
2503                 }
2504         }
2505         else if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseUpnp) {
2506 #ifdef BUILD_UPNP
2507                 linphone_call_init_media_streams(call);
2508                 call->start_time=time(NULL);
2509                 if (linphone_core_update_upnp(lc,call)<0) {
2510                         /* uPnP port mappings failed, proceed with the call anyway. */
2511                         linphone_call_delete_upnp_session(call);
2512                 } else {
2513                         defer = TRUE;
2514                 }
2515 #endif //BUILD_UPNP
2516         }
2517
2518         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2519                 /*defer the start of the call after the OPTIONS ping*/
2520                 call->ping_replied=FALSE;
2521                 call->ping_op=sal_op_new(lc->sal);
2522                 sal_ping(call->ping_op,from,real_url);
2523                 sal_op_set_user_pointer(call->ping_op,call);
2524                 call->start_time=time(NULL);
2525         }else{
2526                 if (defer==FALSE) linphone_core_start_invite(lc,call);
2527         }
2528
2529         if (real_url!=NULL) ms_free(real_url);
2530         return call;
2531 }
2532
2533 /**
2534  * Performs a simple call transfer to the specified destination.
2535  *
2536  * The remote endpoint is expected to issue a new call to the specified destination.
2537  * The current call remains active and thus can be later paused or terminated.
2538 **/
2539 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2540 {
2541         char *real_url=NULL;
2542         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2543
2544         if (!real_parsed_url){
2545                 /* bad url */
2546                 return -1;
2547         }
2548         if (call==NULL){
2549                 ms_warning("No established call to refer.");
2550                 return -1;
2551         }
2552         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2553         real_url=linphone_address_as_string (real_parsed_url);
2554         sal_call_refer(call->op,real_url);
2555         ms_free(real_url);
2556         linphone_address_destroy(real_parsed_url);
2557         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2558         return 0;
2559 }
2560
2561 /**
2562  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2563  * @param lc linphone core object
2564  * @param call a running call you want to transfer
2565  * @param dest a running call whose remote person will receive the transfer
2566  *
2567  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2568  * The destination call is a call previously established to introduce the transfered person.
2569  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2570  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2571  * close the call with us (the 'dest' call).
2572 **/
2573 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2574         int result = sal_call_refer_with_replaces (call->op,dest->op);
2575         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2576         return result;
2577 }
2578
2579 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2580         LinphoneCall *call = linphone_core_get_current_call(lc);
2581         if(call != NULL)
2582         {
2583                 if(call->dir==LinphoneCallIncoming
2584                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2585                         return TRUE;
2586         }
2587         return FALSE;
2588 }
2589
2590 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md){
2591         if (linphone_core_is_media_encryption_mandatory(lc) && linphone_core_get_media_encryption(lc)==LinphoneMediaEncryptionSRTP){
2592                 int i;
2593                 for(i=0;i<md->nstreams;i++){
2594                         SalStreamDescription *sd=&md->streams[i];
2595                         if (sd->proto!=SalProtoRtpSavp){
2596                                 return TRUE;
2597                         }
2598                 }
2599         }
2600         return FALSE;
2601 }
2602
2603 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2604         char *barmesg;
2605         char *tmp;
2606         LinphoneAddress *from_parsed;
2607         SalMediaDescription *md;
2608         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2609         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2610
2611         linphone_call_make_local_media_description(lc,call);
2612         sal_call_set_local_media_description(call->op,call->localdesc);
2613         md=sal_call_get_final_media_description(call->op);
2614         if (md){
2615                 if (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md)){
2616                         sal_call_decline(call->op,SalReasonMedia,NULL);
2617                         linphone_call_unref(call);
2618                         return;
2619                 }
2620         }
2621
2622         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2623         linphone_address_clean(from_parsed);
2624         tmp=linphone_address_as_string(from_parsed);
2625         linphone_address_destroy(from_parsed);
2626         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2627             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2628         if (lc->vtable.show) lc->vtable.show(lc);
2629         if (lc->vtable.display_status)
2630             lc->vtable.display_status(lc,barmesg);
2631
2632         /* play the ring if this is the only call*/
2633         if (ms_list_size(lc->calls)==1){
2634                 lc->current_call=call;
2635                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2636                         ring_stop(lc->ringstream);
2637                         lc->ringstream=NULL;
2638                         lc->dmfs_playing_start_time=0;
2639                 }
2640                 if (lc->sound_conf.ring_sndcard!=NULL){
2641                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2642                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2643                                 ms_message("Starting local ring...");
2644                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2645                         }
2646                         else
2647                         {
2648                                 ms_message("the local ring is already started");
2649                         }
2650                 }
2651         }else{
2652                 /* else play a tone within the context of the current call */
2653                 call->ringing_beep=TRUE;
2654                 linphone_core_play_tone(lc);
2655         }
2656
2657         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2658
2659         if (call->state==LinphoneCallIncomingReceived){
2660                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2661
2662                 if (propose_early_media || ringback_tone!=NULL){
2663                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2664                         md=sal_call_get_final_media_description(call->op);
2665                         linphone_core_update_streams(lc,call,md);
2666                 }
2667                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2668                         linphone_core_accept_call(lc,call);
2669                 }
2670         }
2671         linphone_call_unref(call);
2672
2673         ms_free(barmesg);
2674         ms_free(tmp);
2675 }
2676
2677 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2678         const char *subject;
2679         call->camera_active=call->params.has_video;
2680         if (call->ice_session != NULL) {
2681                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2682         }
2683 #ifdef BUILD_UPNP
2684         if(call->upnp_session != NULL) {
2685                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2686         }
2687 #endif //BUILD_UPNP
2688         if (call->params.in_conference){
2689                 subject="Conference";
2690         }else{
2691                 subject="Media change";
2692         }
2693         if (lc->vtable.display_status)
2694                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2695         sal_call_set_local_media_description (call->op,call->localdesc);
2696         return sal_call_update(call->op,subject);
2697 }
2698
2699 /**
2700  * @ingroup call_control
2701  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2702  *
2703  * In this version this is limited to the following use cases:
2704  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2705  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2706  *
2707  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2708  * @param lc the core
2709  * @param call the call to be updated
2710  * @param params the new call parameters to use. (may be NULL)
2711  * @return 0 if successful, -1 otherwise.
2712 **/
2713 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2714         int err=0;
2715         if (params!=NULL){
2716                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2717 #ifdef VIDEO_ENABLED
2718                 bool_t has_video = call->params.has_video;
2719
2720                 // Video removing
2721                 if((call->videostream != NULL) && !params->has_video) {
2722                         if (call->ice_session != NULL) {
2723                                 ice_session_remove_check_list(call->ice_session, call->videostream->ms.ice_check_list);
2724                                 call->videostream->ms.ice_check_list = NULL;
2725                         }
2726 #ifdef BUILD_UPNP
2727                         if(call->upnp_session != NULL) {
2728                                 if (linphone_core_update_upnp(lc, call)<0) {
2729                                         /* uPnP port mappings failed, proceed with the call anyway. */
2730                                         linphone_call_delete_upnp_session(call);
2731                                 }
2732                         }
2733 #endif //BUILD_UPNP
2734                 }
2735
2736                 call->params = *params;
2737                 linphone_call_make_local_media_description(lc, call);
2738
2739                 // Video adding
2740                 if (!has_video && call->params.has_video) {
2741                         if (call->ice_session != NULL) {
2742                                 /* Defer call update until the ICE candidates gathering process has finished. */
2743                                 ms_message("Defer call update to gather ICE candidates");
2744                                 linphone_call_init_video_stream(call);
2745                                 video_stream_prepare_video(call->videostream);
2746                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2747                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2748                                         linphone_call_delete_ice_session(call);
2749                                 } else {
2750                                         return err;
2751                                 }
2752                         }
2753 #ifdef BUILD_UPNP
2754                         if(call->upnp_session != NULL) {
2755                                 ms_message("Defer call update to add uPnP port mappings");
2756                                 linphone_call_init_video_stream(call);
2757                                 video_stream_prepare_video(call->videostream);
2758                                 if (linphone_core_update_upnp(lc, call)<0) {
2759                                         /* uPnP port mappings failed, proceed with the call anyway. */
2760                                         linphone_call_delete_upnp_session(call);
2761                                 } else {
2762                                         return err;
2763                                 }
2764                         }
2765 #endif //BUILD_UPNP
2766                 }
2767 #endif
2768                 err = linphone_core_start_update_call(lc, call);
2769         }else{
2770 #ifdef VIDEO_ENABLED
2771                 if (call->videostream!=NULL){
2772                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2773                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2774                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2775                         }else video_stream_update_video_params(call->videostream);
2776                 }
2777 #endif
2778         }
2779
2780         return err;
2781 }
2782
2783 /**
2784  * @ingroup call_control
2785  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2786  *
2787  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2788  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2789  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2790  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2791  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2792  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2793  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2794  *
2795  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2796 **/
2797 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2798         if (call->state==LinphoneCallUpdatedByRemote){
2799                 call->defer_update=TRUE;
2800                 return 0;
2801         }
2802         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2803         return -1;
2804 }
2805
2806 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2807         SalMediaDescription *md;
2808         if (call->ice_session != NULL) {
2809                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2810                         /* Defer the sending of the answer until there are no losing pairs left. */
2811                         return 0;
2812                 }
2813                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2814         }
2815 #ifdef BUILD_UPNP
2816         if(call->upnp_session != NULL) {
2817                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
2818         }
2819 #endif //BUILD_UPNP
2820         sal_call_set_local_media_description(call->op,call->localdesc);
2821         sal_call_accept(call->op);
2822         md=sal_call_get_final_media_description(call->op);
2823         if (md && !sal_media_description_empty(md))
2824                 linphone_core_update_streams (lc,call,md);
2825         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2826         return 0;
2827 }
2828
2829 /**
2830  * @ingroup call_control
2831  * Accept call modifications initiated by other end.
2832  *
2833  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2834  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2835  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2836  * requested by the other party, such as whether a video stream is requested.
2837  *
2838  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2839  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2840  * If params is not NULL, then the update will be accepted according to the parameters passed.
2841  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2842  * (see linphone_call_params_enable_video()).
2843  * @param lc the linphone core object.
2844  * @param call the LinphoneCall object
2845  * @param params a LinphoneCallParams object describing the call parameters to accept.
2846  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2847 **/
2848 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2849 #ifdef VIDEO_ENABLED
2850         bool_t old_has_video = call->params.has_video;
2851 #endif
2852         if (call->state!=LinphoneCallUpdatedByRemote){
2853                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2854                          linphone_call_state_to_string(call->state));
2855                 return -1;
2856         }
2857         if (params==NULL){
2858                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2859         }else
2860                 call->params=*params;
2861
2862         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2863                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2864                 call->params.has_video=FALSE;
2865         }
2866         if (call->current_params.in_conference) {
2867                 ms_warning("Video isn't supported in conference");
2868                 call->params.has_video = FALSE;
2869         }
2870         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2871         call->camera_active=call->params.has_video;
2872         linphone_call_make_local_media_description(lc,call);
2873         if (call->ice_session != NULL) {
2874                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2875 #ifdef VIDEO_ENABLED
2876                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2877                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2878                                 linphone_call_init_video_stream(call);
2879                                 video_stream_prepare_video(call->videostream);
2880                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2881                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2882                                         linphone_call_delete_ice_session(call);
2883                                 } else return 0;
2884                         }
2885                 }
2886 #endif //VIDEO_ENABLED
2887         }
2888
2889 #if BUILD_UPNP
2890         if(call->upnp_session != NULL) {
2891                 linphone_core_update_upnp_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2892 #ifdef VIDEO_ENABLED
2893                 if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2894                         linphone_call_init_video_stream(call);
2895                         video_stream_prepare_video(call->videostream);
2896                         if (linphone_core_update_upnp(lc, call)<0) {
2897                                 /* uPnP update failed, proceed with the call anyway. */
2898                                 linphone_call_delete_upnp_session(call);
2899                         } else return 0;
2900                 }
2901 #endif //VIDEO_ENABLED
2902         }
2903 #endif //BUILD_UPNP
2904
2905         linphone_core_start_accept_call_update(lc, call);
2906         return 0;
2907 }
2908
2909 /**
2910  * Accept an incoming call.
2911  *
2912  * @ingroup call_control
2913  * Basically the application is notified of incoming calls within the
2914  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2915  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2916  * The application can later accept the call using this method.
2917  * @param lc the LinphoneCore object
2918  * @param call the LinphoneCall object representing the call to be answered.
2919  *
2920 **/
2921 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2922         return linphone_core_accept_call_with_params(lc,call,NULL);
2923 }
2924
2925 /**
2926  * Accept an incoming call, with parameters.
2927  *
2928  * @ingroup call_control
2929  * Basically the application is notified of incoming calls within the
2930  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2931  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2932  * The application can later accept the call using
2933  * this method.
2934  * @param lc the LinphoneCore object
2935  * @param call the LinphoneCall object representing the call to be answered.
2936  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2937  *
2938 **/
2939 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2940 {
2941         LinphoneProxyConfig *cfg=NULL;
2942         const char *contact=NULL;
2943         SalOp *replaced;
2944         SalMediaDescription *new_md;
2945         bool_t was_ringing=FALSE;
2946
2947         if (call==NULL){
2948                 //if just one call is present answer the only one ...
2949                 if(linphone_core_get_calls_nb (lc) != 1)
2950                         return -1;
2951                 else
2952                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2953         }
2954
2955         if (call->state==LinphoneCallConnected){
2956                 /*call already accepted*/
2957                 return -1;
2958         }
2959
2960         /* check if this call is supposed to replace an already running one*/
2961         replaced=sal_call_get_replaces(call->op);
2962         if (replaced){
2963                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2964                 if (rc){
2965                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2966                                    call,rc);
2967                         linphone_core_terminate_call(lc,rc);
2968                 }
2969         }
2970
2971         if (lc->current_call!=call){
2972                 linphone_core_preempt_sound_resources(lc);
2973         }
2974
2975         /*stop ringing */
2976         if (lc->ringstream!=NULL) {
2977                 ms_message("stop ringing");
2978                 ring_stop(lc->ringstream);
2979                 ms_message("ring stopped");
2980                 lc->ringstream=NULL;
2981                 was_ringing=TRUE;
2982         }
2983         if (call->ringing_beep){
2984                 linphone_core_stop_dtmf(lc);
2985                 call->ringing_beep=FALSE;
2986         }
2987
2988         linphone_core_get_default_proxy(lc,&cfg);
2989         call->dest_proxy=cfg;
2990         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2991
2992         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2993                 ms_message("Overriding default proxy setting for this call:");
2994                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2995         }
2996         /*try to be best-effort in giving real local or routable contact address*/
2997         contact=get_fixed_contact(lc,call,call->dest_proxy);
2998         if (contact)
2999                 sal_op_set_contact(call->op,contact);
3000
3001         if (params){
3002                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
3003                 call->params=*params;
3004                 // There might not be a md if the INVITE was lacking an SDP
3005                 // In this case we use the parameters as is.
3006                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
3007                 call->camera_active=call->params.has_video;
3008                 linphone_call_make_local_media_description(lc,call);
3009                 sal_call_set_local_media_description(call->op,call->localdesc);
3010         }
3011
3012         if (call->audiostream==NULL)
3013                 linphone_call_init_media_streams(call);
3014         if (!was_ringing && call->audiostream->ms.ticker==NULL){
3015                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
3016         }
3017
3018         sal_call_accept(call->op);
3019         if (lc->vtable.display_status!=NULL)
3020                 lc->vtable.display_status(lc,_("Connected."));
3021         lc->current_call=call;
3022         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
3023         new_md=sal_call_get_final_media_description(call->op);
3024         linphone_core_update_streams(lc, call, new_md);
3025         if (new_md){
3026                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
3027         }else call->media_pending=TRUE;
3028
3029         ms_message("call answered.");
3030         return 0;
3031 }
3032
3033 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
3034         sal_call_terminate(call->op);
3035
3036         /*stop ringing*/
3037         if (lc->ringstream!=NULL) {
3038                 ring_stop(lc->ringstream);
3039                 lc->ringstream=NULL;
3040         }
3041         linphone_call_stop_media_streams(call);
3042
3043 #ifdef BUILD_UPNP
3044         linphone_call_delete_upnp_session(call);
3045 #endif //BUILD_UPNP
3046
3047         if (lc->vtable.display_status!=NULL)
3048                 lc->vtable.display_status(lc,_("Call aborted") );
3049         linphone_call_set_state(call,LinphoneCallError,error);
3050         return 0;
3051 }
3052
3053 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
3054         if (call->state==LinphoneCallIncomingReceived){
3055                 if (call->reason!=LinphoneReasonNotAnswered)
3056                         call->reason=LinphoneReasonDeclined;
3057         }
3058         /*stop ringing*/
3059         if (lc->ringstream!=NULL) {
3060                 ring_stop(lc->ringstream);
3061                 lc->ringstream=NULL;
3062         }
3063
3064         linphone_call_stop_media_streams(call);
3065
3066 #ifdef BUILD_UPNP
3067         linphone_call_delete_upnp_session(call);
3068 #endif //BUILD_UPNP
3069
3070         if (lc->vtable.display_status!=NULL)
3071                 lc->vtable.display_status(lc,_("Call ended") );
3072         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
3073 }
3074
3075 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
3076         if (call->state==LinphoneCallIncomingReceived){
3077                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
3078                 call->reason=LinphoneReasonDeclined;
3079                 terminate_call(lc,call);
3080         }else{
3081                 ms_error("Bad state for call redirection.");
3082                 return -1;
3083     }
3084         return 0;
3085 }
3086
3087
3088 /**
3089  * Terminates a call.
3090  *
3091  * @ingroup call_control
3092  * @param lc the LinphoneCore
3093  * @param the_call the LinphoneCall object representing the call to be terminated.
3094 **/
3095 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
3096 {
3097         LinphoneCall *call;
3098         if (the_call == NULL){
3099                 call = linphone_core_get_current_call(lc);
3100                 if (ms_list_size(lc->calls)==1){
3101                         call=(LinphoneCall*)lc->calls->data;
3102                 }else{
3103                         ms_warning("No unique call to terminate !");
3104                         return -1;
3105                 }
3106         }
3107         else
3108         {
3109                 call = the_call;
3110         }
3111         sal_call_terminate(call->op);
3112         terminate_call(lc,call);
3113         return 0;
3114 }
3115
3116 /**
3117  * Decline a pending incoming call, with a reason.
3118  * @param lc the linphone core
3119  * @param call the LinphoneCall, must be in the IncomingReceived state.
3120  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3121 **/
3122 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3123         SalReason sal_reason=SalReasonUnknown;
3124         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3125                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3126                 return -1;
3127         }
3128         switch(reason){
3129                 case LinphoneReasonDeclined:
3130                         sal_reason=SalReasonDeclined;
3131                 break;
3132                 case LinphoneReasonBusy:
3133                         sal_reason=SalReasonBusy;
3134                 break;
3135                 default:
3136                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3137                         return -1;
3138                 break;
3139         }
3140         sal_call_decline(call->op,sal_reason,NULL);
3141         terminate_call(lc,call);
3142         return 0;
3143 }
3144
3145 /**
3146  * Terminates all the calls.
3147  *
3148  * @ingroup call_control
3149  * @param lc The LinphoneCore
3150 **/
3151 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3152         MSList *calls=lc->calls;
3153         while(calls) {
3154                 LinphoneCall *c=(LinphoneCall*)calls->data;
3155                 calls=calls->next;
3156                 linphone_core_terminate_call(lc,c);
3157         }
3158         return 0;
3159 }
3160
3161 /**
3162  * Returns the current list of calls.
3163  *
3164  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3165  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3166  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3167  *
3168  * @ingroup call_control
3169 **/
3170 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3171 {
3172         return lc->calls;
3173 }
3174
3175 /**
3176  * Returns TRUE if there is a call running.
3177  *
3178  * @ingroup call_control
3179 **/
3180 bool_t linphone_core_in_call(const LinphoneCore *lc){
3181         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3182 }
3183
3184 /**
3185  * Returns The _LinphoneCall struct of the current call if one is in call
3186  *
3187  * @ingroup call_control
3188 **/
3189 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3190 {
3191         return lc->current_call;
3192 }
3193
3194 /**
3195  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3196  * this file will be played to the remote user.
3197  *
3198  * @ingroup call_control
3199 **/
3200 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3201 {
3202         const char *subject=NULL;
3203
3204         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3205                 ms_warning("Cannot pause this call, it is not active.");
3206                 return -1;
3207         }
3208         linphone_call_make_local_media_description(lc,call);
3209         if (call->ice_session != NULL) {
3210                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3211         }
3212 #ifdef BUILD_UPNP
3213         if(call->upnp_session != NULL) {
3214                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3215         }
3216 #endif //BUILD_UPNP
3217         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3218                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3219                 subject="Call on hold";
3220         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3221                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3222                 subject="Call on hold for me too";
3223         }else{
3224                 ms_error("No reason to pause this call, it is already paused or inactive.");
3225                 return -1;
3226         }
3227         sal_call_set_local_media_description(call->op,call->localdesc);
3228         if (sal_call_update(call->op,subject) != 0){
3229                 if (lc->vtable.display_warning)
3230                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3231         }
3232         lc->current_call=NULL;
3233         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3234         if (lc->vtable.display_status)
3235                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3236         if (call->audiostream || call->videostream)
3237                 linphone_call_stop_media_streams (call);
3238         return 0;
3239 }
3240
3241 /**
3242  * Pause all currently running calls.
3243 **/
3244 int linphone_core_pause_all_calls(LinphoneCore *lc){
3245         const MSList *elem;
3246         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3247                 LinphoneCall *call=(LinphoneCall *)elem->data;
3248                 LinphoneCallState cs=linphone_call_get_state(call);
3249                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3250                         linphone_core_pause_call(lc,call);
3251                 }
3252         }
3253         return 0;
3254 }
3255
3256 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3257         LinphoneCall *current_call;
3258         if (linphone_core_is_in_conference(lc)){
3259                 linphone_core_leave_conference(lc);
3260                 return;
3261         }
3262         current_call=linphone_core_get_current_call(lc);
3263         if(current_call != NULL){
3264                 ms_message("Pausing automatically the current call.");
3265                 linphone_core_pause_call(lc,current_call);
3266         }
3267 }
3268
3269 /**
3270  * Resumes the call.
3271  *
3272  * @ingroup call_control
3273 **/
3274 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3275 {
3276         char temp[255]={0};
3277         LinphoneCall *call = the_call;
3278         const char *subject="Call resuming";
3279
3280         if(call->state!=LinphoneCallPaused ){
3281                 ms_warning("we cannot resume a call that has not been established and paused before");
3282                 return -1;
3283         }
3284         if (call->params.in_conference==FALSE){
3285                 linphone_core_preempt_sound_resources(lc);
3286                 ms_message("Resuming call %p",call);
3287         }
3288
3289         /* Stop playing music immediately. If remote side is a conference it
3290          prevents the participants to hear it while the 200OK comes back.*/
3291         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3292
3293         linphone_call_make_local_media_description(lc,the_call);
3294         if (call->ice_session != NULL) {
3295                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3296         }
3297 #ifdef BUILD_UPNP
3298         if(call->upnp_session != NULL) {
3299                 linphone_core_update_local_media_description_from_upnp(call->localdesc, call->upnp_session);
3300         }
3301 #endif //BUILD_UPNP
3302         sal_call_set_local_media_description(call->op,call->localdesc);
3303         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3304         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3305         if(sal_call_update(call->op,subject) != 0){
3306                 return -1;
3307         }
3308         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3309         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3310         if (lc->vtable.display_status)
3311                 lc->vtable.display_status(lc,temp);
3312         return 0;
3313 }
3314
3315 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3316         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3317         return !linphone_address_weak_equal (addr,raddr);
3318 }
3319
3320 /**
3321  * Get the call with the remote_address specified
3322  * @param lc
3323  * @param remote_address
3324  * @return the LinphoneCall of the call if found
3325  */
3326 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3327         LinphoneAddress *raddr=linphone_address_new(remote_address);
3328         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3329         if (elem) return (LinphoneCall*) elem->data;
3330         return NULL;
3331 }
3332
3333 int linphone_core_send_publish(LinphoneCore *lc,
3334                                LinphoneOnlineStatus presence_mode)
3335 {
3336         const MSList *elem;
3337         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3338                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3339                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3340         }
3341         return 0;
3342 }
3343
3344 /**
3345  * Set the incoming call timeout in seconds.
3346  *
3347  * @ingroup call_control
3348  * If an incoming call isn't answered for this timeout period, it is
3349  * automatically declined.
3350 **/
3351 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3352         lc->sip_conf.inc_timeout=seconds;
3353         if (linphone_core_ready(lc)){
3354                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3355         }
3356 }
3357
3358 /**
3359  * Returns the incoming call timeout
3360  *
3361  * @ingroup call_control
3362  * See linphone_core_set_inc_timeout() for details.
3363 **/
3364 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3365         return lc->sip_conf.inc_timeout;
3366 }
3367
3368 /**
3369  * Set the in call timeout in seconds.
3370  *
3371  * @ingroup call_control
3372  * After this timeout period, the call is automatically hangup.
3373 **/
3374 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3375         lc->sip_conf.in_call_timeout=seconds;
3376 }
3377
3378 /**
3379  * Returns the in call timeout
3380  *
3381  * @ingroup call_control
3382  * See linphone_core_set_in_call_timeout() for details.
3383 **/
3384 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3385         return lc->sip_conf.in_call_timeout;
3386 }
3387
3388 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3389                                                                                                         const char *contact,
3390                                                                                                         LinphoneOnlineStatus presence_mode)
3391 {
3392         if (minutes_away>0) lc->minutes_away=minutes_away;
3393
3394         if (lc->alt_contact!=NULL) {
3395                 ms_free(lc->alt_contact);
3396                 lc->alt_contact=NULL;
3397         }
3398         if (contact) lc->alt_contact=ms_strdup(contact);
3399         if (lc->presence_mode!=presence_mode){
3400                 linphone_core_notify_all_friends(lc,presence_mode);
3401                 /*
3402                    Improve the use of all LINPHONE_STATUS available.
3403                    !TODO Do not mix "presence status" with "answer status code"..
3404                    Use correct parameter to follow sip_if_match/sip_etag.
3405                  */
3406                 linphone_core_send_publish(lc,presence_mode);
3407         }
3408         lc->presence_mode=presence_mode;
3409 }
3410
3411 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3412         return lc->presence_mode;
3413 }
3414
3415 /**
3416  * Get playback sound level in 0-100 scale.
3417  *
3418  * @ingroup media_parameters
3419 **/
3420 int linphone_core_get_play_level(LinphoneCore *lc)
3421 {
3422         return lc->sound_conf.play_lev;
3423 }
3424
3425 /**
3426  * Get ring sound level in 0-100 scale
3427  *
3428  * @ingroup media_parameters
3429 **/
3430 int linphone_core_get_ring_level(LinphoneCore *lc)
3431 {
3432         return lc->sound_conf.ring_lev;
3433 }
3434
3435 /**
3436  * Get sound capture level in 0-100 scale
3437  *
3438  * @ingroup media_parameters
3439 **/
3440 int linphone_core_get_rec_level(LinphoneCore *lc){
3441         return lc->sound_conf.rec_lev;
3442 }
3443
3444 /**
3445  * Set sound ring level in 0-100 scale
3446  *
3447  * @ingroup media_parameters
3448 **/
3449 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3450         MSSndCard *sndcard;
3451         lc->sound_conf.ring_lev=level;
3452         sndcard=lc->sound_conf.ring_sndcard;
3453         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3454 }
3455
3456 /**
3457  * Allow to control microphone level:  gain in db
3458  *
3459  * @ingroup media_parameters
3460 **/
3461 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3462         float gain=gaindb;
3463         LinphoneCall *call=linphone_core_get_current_call (lc);
3464         AudioStream *st;
3465
3466         lc->sound_conf.soft_mic_lev=gaindb;
3467
3468         if (linphone_core_ready(lc)){
3469                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3470         }
3471
3472         if (call==NULL || (st=call->audiostream)==NULL){
3473                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3474                 return;
3475         }
3476         if (st->volrecv){
3477                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3478         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3479 }
3480
3481 /**
3482  * Get microphone gain in db.
3483  *
3484  * @ingroup media_parameters
3485 **/
3486 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3487         return lc->sound_conf.soft_mic_lev;
3488 }
3489
3490 /**
3491  * Allow to control play level before entering sound card:  gain in db
3492  *
3493  * @ingroup media_parameters
3494 **/
3495 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3496         float gain=gaindb;
3497         LinphoneCall *call=linphone_core_get_current_call (lc);
3498         AudioStream *st;
3499
3500         lc->sound_conf.soft_play_lev=gaindb;
3501         if (linphone_core_ready(lc)){
3502                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3503         }
3504
3505         if (call==NULL || (st=call->audiostream)==NULL){
3506                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3507                 return;
3508         }
3509         if (st->volrecv){
3510                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3511         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3512 }
3513
3514 /**
3515  * Get playback gain in db before entering  sound card.
3516  *
3517  * @ingroup media_parameters
3518 **/
3519 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3520         return lc->sound_conf.soft_play_lev;
3521 }
3522
3523 /**
3524  * Set sound playback level in 0-100 scale
3525  *
3526  * @ingroup media_parameters
3527 **/
3528 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3529         MSSndCard *sndcard;
3530         lc->sound_conf.play_lev=level;
3531         sndcard=lc->sound_conf.play_sndcard;
3532         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3533 }
3534
3535 /**
3536  * Set sound capture level in 0-100 scale
3537  *
3538  * @ingroup media_parameters
3539 **/
3540 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3541 {
3542         MSSndCard *sndcard;
3543         lc->sound_conf.rec_lev=level;
3544         sndcard=lc->sound_conf.capt_sndcard;
3545         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3546 }
3547
3548 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3549         MSSndCard *sndcard=NULL;
3550         if (devid!=NULL){
3551                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3552                 if (sndcard!=NULL &&
3553                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3554                         ms_warning("%s card does not have the %s capability, ignoring.",
3555                                 devid,
3556                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3557                         sndcard=NULL;
3558                 }
3559         }
3560         if (sndcard==NULL) {
3561                 /* get a card that has read+write capabilities */
3562                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3563                 /* otherwise refine to the first card having the right capability*/
3564                 if (sndcard==NULL){
3565                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3566                         for(;elem!=NULL;elem=elem->next){
3567                                 sndcard=(MSSndCard*)elem->data;
3568                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3569                         }
3570                 }
3571                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3572                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3573                         if (elem) sndcard=(MSSndCard*)elem->data;
3574         }
3575         }
3576         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3577         return sndcard;
3578 }
3579
3580 /**
3581  * Returns true if the specified sound device can capture sound.
3582  *
3583  * @ingroup media_parameters
3584  * @param lc The LinphoneCore object
3585  * @param devid the device name as returned by linphone_core_get_sound_devices()
3586 **/
3587 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3588         MSSndCard *sndcard;
3589         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3590         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3591         return FALSE;
3592 }
3593
3594 /**
3595  * Returns true if the specified sound device can play sound.
3596  *
3597  * @ingroup media_parameters
3598  * @param lc The LinphoneCore object
3599  * @param devid the device name as returned by linphone_core_get_sound_devices()
3600 **/
3601 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3602         MSSndCard *sndcard;
3603         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3604         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3605         return FALSE;
3606 }
3607
3608 /**
3609  * Sets the sound device used for ringing.
3610  *
3611  * @ingroup media_parameters
3612  * @param lc The LinphoneCore object
3613  * @param devid the device name as returned by linphone_core_get_sound_devices()
3614 **/
3615 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3616         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3617         lc->sound_conf.ring_sndcard=card;
3618         if (card && linphone_core_ready(lc))
3619                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3620         return 0;
3621 }
3622
3623 /**
3624  * Sets the sound device used for playback.
3625  *
3626  * @ingroup media_parameters
3627  * @param lc The LinphoneCore object
3628  * @param devid the device name as returned by linphone_core_get_sound_devices()
3629 **/
3630 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3631         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3632         lc->sound_conf.play_sndcard=card;
3633         if (card &&  linphone_core_ready(lc))
3634                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3635         return 0;
3636 }
3637
3638 /**
3639  * Sets the sound device used for capture.
3640  *
3641  * @ingroup media_parameters
3642  * @param lc The LinphoneCore object
3643  * @param devid the device name as returned by linphone_core_get_sound_devices()
3644 **/
3645 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3646         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3647         lc->sound_conf.capt_sndcard=card;
3648         if (card &&  linphone_core_ready(lc))
3649                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3650         return 0;
3651 }
3652
3653 /**
3654  * Returns the name of the currently assigned sound device for ringing.
3655  *
3656  * @ingroup media_parameters
3657  * @param lc The LinphoneCore object
3658 **/
3659 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3660 {
3661         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3662         return NULL;
3663 }
3664
3665 /**
3666  * Returns the name of the currently assigned sound device for playback.
3667  *
3668  * @ingroup media_parameters
3669  * @param lc The LinphoneCore object
3670 **/
3671 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3672 {
3673         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3674 }
3675
3676 /**
3677  * Returns the name of the currently assigned sound device for capture.
3678  *
3679  * @ingroup media_parameters
3680  * @param lc The LinphoneCore object
3681 **/
3682 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3683 {
3684         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3685 }
3686
3687 /**
3688  * Returns an unmodifiable array of available sound devices.
3689  *
3690  * The array is NULL terminated.
3691  *
3692  * @ingroup media_parameters
3693  * @param lc The LinphoneCore object
3694 **/
3695 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3696         return lc->sound_conf.cards;
3697 }
3698
3699 /**
3700  * Returns an unmodifiable array of available video capture devices.
3701  *
3702  * @ingroup media_parameters
3703  * The array is NULL terminated.
3704 **/
3705 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3706         return lc->video_conf.cams;
3707 }
3708
3709 /**
3710  * Update detection of sound devices.
3711  *
3712  * Use this function when the application is notified of USB plug events, so that
3713  * list of available hardwares for sound playback and capture is updated.
3714  **/
3715 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3716         const char *ringer,*playback,*capture;
3717         ringer=linphone_core_get_ringer_device(lc);
3718         playback=linphone_core_get_playback_device(lc);
3719         capture=linphone_core_get_capture_device(lc);
3720         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3721         build_sound_devices_table(lc);
3722         linphone_core_set_ringer_device(lc,ringer);
3723         linphone_core_set_playback_device(lc,playback);
3724         linphone_core_set_capture_device(lc,capture);
3725 }
3726
3727 /**
3728  * Update detection of camera devices.
3729  *
3730  * Use this function when the application is notified of USB plug events, so that
3731  * list of available hardwares for video capture is updated.
3732  **/
3733 void linphone_core_reload_video_devices(LinphoneCore *lc){
3734         const char *devid;
3735         devid=linphone_core_get_video_device(lc);
3736         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3737         build_video_devices_table(lc);
3738         linphone_core_set_video_device(lc,devid);
3739 }
3740
3741 char linphone_core_get_sound_source(LinphoneCore *lc)
3742 {
3743         return lc->sound_conf.source;
3744 }
3745
3746 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3747 {
3748         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3749         lc->sound_conf.source=source;
3750         if (!sndcard) return;
3751         switch(source){
3752                 case 'm':
3753                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3754                         break;
3755                 case 'l':
3756                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3757                         break;
3758         }
3759
3760 }
3761
3762
3763 /**
3764  * Sets the path to a wav file used for ringing.
3765  *
3766  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3767  * @param lc The LinphoneCore object
3768  *
3769  * @ingroup media_parameters
3770 **/
3771 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3772         if (lc->sound_conf.local_ring!=0){
3773                 ms_free(lc->sound_conf.local_ring);
3774                 lc->sound_conf.local_ring=NULL;
3775         }
3776         if (path)
3777                 lc->sound_conf.local_ring=ms_strdup(path);
3778         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3779                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3780 }
3781
3782 /**
3783  * Returns the path to the wav file used for ringing.
3784  *
3785  * @param lc The LinphoneCore object
3786  * @ingroup media_parameters
3787 **/
3788 const char *linphone_core_get_ring(const LinphoneCore *lc){
3789         return lc->sound_conf.local_ring;
3790 }
3791
3792 /**
3793  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3794  *
3795  * @param path
3796  * @param lc The LinphoneCore object
3797  *
3798  * @ingroup media_parameters
3799 **/
3800 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3801         sal_set_root_ca(lc->sal, path);
3802 }
3803
3804 /**
3805  * Gets the path to a file or folder containing trusted root CAs (PEM format)
3806  *
3807  * @param lc The LinphoneCore object
3808  *
3809  * @ingroup media_parameters
3810 **/
3811 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3812         return sal_get_root_ca(lc->sal);
3813 }
3814
3815 /**
3816  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3817 **/
3818 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3819         sal_verify_server_certificates(lc->sal,yesno);
3820 }
3821
3822 /**
3823  * Specify whether the tls server certificate common name must be verified when connecting to a SIP/TLS server.
3824 **/
3825 void linphone_core_verify_server_cn(LinphoneCore *lc, bool_t yesno){
3826         sal_verify_server_cn(lc->sal,yesno);
3827 }
3828
3829 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3830         LinphoneCore *lc=(LinphoneCore*)ud;
3831         lc->preview_finished=1;
3832 }
3833
3834 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3835 {
3836         if (lc->ringstream!=0){
3837                 ms_warning("Cannot start ring now,there's already a ring being played");
3838                 return -1;
3839         }
3840         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3841         lc->preview_finished=0;
3842         if (lc->sound_conf.ring_sndcard!=NULL){
3843                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3844                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3845         }
3846         return 0;
3847 }
3848
3849 /**
3850  * Sets the path to a wav file used for ringing back.
3851  *
3852  * Ringback means the ring that is heard when it's ringing at the remote party.
3853  * The file must be a wav 16bit linear.
3854  *
3855  * @ingroup media_parameters
3856 **/
3857 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3858         if (lc->sound_conf.remote_ring!=0){
3859                 ms_free(lc->sound_conf.remote_ring);
3860         }
3861         lc->sound_conf.remote_ring=ms_strdup(path);
3862 }
3863
3864 /**
3865  * Returns the path to the wav file used for ringing back.
3866  *
3867  * @ingroup media_parameters
3868 **/
3869 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3870         return lc->sound_conf.remote_ring;
3871 }
3872
3873 /**
3874  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3875  *
3876  * @ingroup media_parameters
3877 **/
3878 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3879         lc->sound_conf.ec=val;
3880         if ( linphone_core_ready(lc))
3881                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3882 }
3883
3884
3885 /**
3886  * Returns TRUE if echo cancellation is enabled.
3887  *
3888  * @ingroup media_parameters
3889 **/
3890 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3891         return lc->sound_conf.ec;
3892 }
3893
3894 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3895         lc->sound_conf.ea=val;
3896 }
3897
3898 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3899         return lc->sound_conf.ea;
3900 }
3901
3902 /**
3903  * Mutes or unmutes the local microphone.
3904  *
3905  * @ingroup media_parameters
3906 **/
3907 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3908         LinphoneCall *call=linphone_core_get_current_call(lc);
3909         AudioStream *st=NULL;
3910         if (linphone_core_is_in_conference(lc)){
3911                 lc->conf_ctx.local_muted=val;
3912                 st=lc->conf_ctx.local_participant;
3913         }else if (call==NULL){
3914                 ms_warning("linphone_core_mute_mic(): No current call !");
3915                 return;
3916         }else{
3917                 st=call->audiostream;
3918                 call->audio_muted=val;
3919         }
3920         if (st!=NULL){
3921                 audio_stream_set_mic_gain(st,
3922                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
3923                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3924                         audio_stream_mute_rtp(st,val);
3925                 }
3926
3927         }
3928 }
3929 /**
3930  * Returns whether microphone is muted.
3931 **/
3932 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3933         LinphoneCall *call=linphone_core_get_current_call(lc);
3934         if (linphone_core_is_in_conference(lc)){
3935                 return lc->conf_ctx.local_muted;
3936         }else if (call==NULL){
3937                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3938                 return FALSE;
3939         }
3940         return call->audio_muted;
3941 }
3942
3943 // returns rtp transmission status for an active stream
3944 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3945 // was set on then rtp transmission is also muted
3946 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3947         LinphoneCall *call=linphone_core_get_current_call(lc);
3948         if (call==NULL){
3949                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3950                 return FALSE;
3951         }
3952         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3953                 return call->audio_muted;
3954         }
3955         return FALSE;
3956 }
3957
3958 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3959         lc->sound_conf.agc=val;
3960 }
3961
3962 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3963         return lc->sound_conf.agc;
3964 }
3965
3966 /**
3967  * Send the specified dtmf.
3968  *
3969  * @ingroup media_parameters
3970  * This function only works during calls. The dtmf is automatically played to the user.
3971  * @param lc The LinphoneCore object
3972  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3973  *
3974 **/
3975 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3976 {
3977         LinphoneCall *call=linphone_core_get_current_call(lc);
3978         if (call==NULL){
3979                 ms_warning("linphone_core_send_dtmf(): no active call");
3980                 return;
3981         }
3982         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3983         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3984         {
3985                 /* In Band DTMF */
3986                 if (call->audiostream!=NULL){
3987                         audio_stream_send_dtmf(call->audiostream,dtmf);
3988                 }
3989                 else
3990                 {
3991                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3992                 }
3993         }
3994         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3995                 /* Out of Band DTMF (use INFO method) */
3996                 sal_call_send_dtmf(call->op,dtmf);
3997         }
3998 }
3999
4000 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
4001         if (lc->net_conf.stun_server!=NULL)
4002                 ms_free(lc->net_conf.stun_server);
4003         if (server)
4004                 lc->net_conf.stun_server=ms_strdup(server);
4005         else lc->net_conf.stun_server=NULL;
4006         if (linphone_core_ready(lc))
4007                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
4008 }
4009
4010 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
4011         return lc->net_conf.stun_server;
4012 }
4013
4014 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
4015         return lc->net_conf.relay;
4016 }
4017
4018 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
4019         if (lc->net_conf.relay!=NULL){
4020                 ms_free(lc->net_conf.relay);
4021                 lc->net_conf.relay=NULL;
4022         }
4023         if (addr){
4024                 lc->net_conf.relay=ms_strdup(addr);
4025         }
4026         return 0;
4027 }
4028
4029 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
4030 {
4031         if (lc->net_conf.nat_address!=NULL){
4032                 ms_free(lc->net_conf.nat_address);
4033         }
4034         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
4035         else lc->net_conf.nat_address=NULL;
4036         if (lc->sip_conf.contact) update_primary_contact(lc);
4037 }
4038
4039 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
4040         return lc->net_conf.nat_address;
4041 }
4042
4043 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
4044 {
4045         struct sockaddr_storage ss;
4046         socklen_t ss_len;
4047         int error;
4048         char ipstring [INET6_ADDRSTRLEN];
4049
4050         if (lc->net_conf.nat_address==NULL) return NULL;
4051
4052         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
4053                 return lc->net_conf.nat_address;
4054         }
4055
4056         error = getnameinfo((struct sockaddr *)&ss, ss_len,
4057                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
4058         if (error) {
4059                 return lc->net_conf.nat_address;
4060         }
4061
4062         if (lc->net_conf.nat_address_ip!=NULL){
4063                 ms_free(lc->net_conf.nat_address_ip);
4064         }
4065         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
4066         return lc->net_conf.nat_address_ip;
4067 }
4068
4069 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
4070         lc->net_conf.firewall_policy=pol;
4071         if (lc->sip_conf.contact) update_primary_contact(lc);
4072         if (linphone_core_ready(lc))
4073                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
4074 }
4075
4076 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
4077         return lc->net_conf.firewall_policy;
4078 }
4079
4080 /**
4081  * Get the list of call logs (past calls).
4082  *
4083  * @ingroup call_logs
4084 **/
4085 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
4086         return lc->call_logs;
4087 }
4088
4089 /**
4090  * Erase the call log.
4091  *
4092  * @ingroup call_logs
4093 **/
4094 void linphone_core_clear_call_logs(LinphoneCore *lc){
4095         lc->missed_calls=0;
4096         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4097         lc->call_logs=ms_list_free(lc->call_logs);
4098         call_logs_write_to_config_file(lc);
4099 }
4100
4101 /**
4102  * Returns number of missed calls.
4103  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
4104 **/
4105 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
4106         return lc->missed_calls;
4107 }
4108
4109 /**
4110  * Resets the counter of missed calls.
4111 **/
4112 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
4113         lc->missed_calls=0;
4114 }
4115
4116 /**
4117  * Remove a specific call log from call history list.
4118  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
4119  * @param lc the linphone core object
4120  * @param a LinphoneCallLog object.
4121 **/
4122 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
4123         lc->call_logs = ms_list_remove(lc->call_logs, cl);
4124         call_logs_write_to_config_file(lc);
4125         linphone_call_log_destroy(cl);
4126 }
4127
4128 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4129 #ifdef VIDEO_ENABLED
4130         if (val){
4131                 if (lc->previewstream==NULL){
4132                         lc->previewstream=video_preview_new();
4133                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4134                         if (lc->video_conf.displaytype)
4135                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4136                         if (lc->preview_window_id!=0)
4137                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4138                         video_preview_start(lc->previewstream,lc->video_conf.device);
4139                 }
4140         }else{
4141                 if (lc->previewstream!=NULL){
4142                         video_preview_stop(lc->previewstream);
4143                         lc->previewstream=NULL;
4144                 }
4145         }
4146 #endif
4147 }
4148
4149 /**
4150  * Enables video globally.
4151  *
4152  * @ingroup media_parameters
4153  * This function does not have any effect during calls. It just indicates LinphoneCore to
4154  * initiate future calls with video or not. The two boolean parameters indicate in which
4155  * direction video is enabled. Setting both to false disables video entirely.
4156  *
4157  * @param lc The LinphoneCore object
4158  * @param vcap_enabled indicates whether video capture is enabled
4159  * @param display_enabled indicates whether video display should be shown
4160  *
4161 **/
4162 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4163 #ifndef VIDEO_ENABLED
4164         if (vcap_enabled || display_enabled)
4165                 ms_warning("This version of linphone was built without video support.");
4166 #endif
4167         lc->video_conf.capture=vcap_enabled;
4168         lc->video_conf.display=display_enabled;
4169         if (linphone_core_ready(lc)){
4170                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4171                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4172         }
4173         /* need to re-apply network bandwidth settings*/
4174         linphone_core_set_download_bandwidth(lc,
4175                 linphone_core_get_download_bandwidth(lc));
4176         linphone_core_set_upload_bandwidth(lc,
4177                 linphone_core_get_upload_bandwidth(lc));
4178 }
4179
4180 bool_t linphone_core_video_supported(LinphoneCore *lc){
4181 #ifdef VIDEO_ENABLED
4182         return TRUE;
4183 #else
4184         return FALSE;
4185 #endif
4186 }
4187
4188 /**
4189  * Returns TRUE if video is enabled, FALSE otherwise.
4190  * @ingroup media_parameters
4191 **/
4192 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4193         return (lc->video_conf.display || lc->video_conf.capture);
4194 }
4195
4196 /**
4197  * Sets the default policy for video.
4198  * This policy defines whether:
4199  * - video shall be initiated by default for outgoing calls
4200  * - video shall be accepter by default for incoming calls
4201  * @ingroup media_parameters
4202 **/
4203 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4204         lc->video_policy=*policy;
4205         if (linphone_core_ready(lc)){
4206                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4207                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4208         }
4209 }
4210
4211 /**
4212  * Get the default policy for video.
4213  * See linphone_core_set_video_policy() for more details.
4214  * @ingroup media_parameters
4215 **/
4216 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4217         return &lc->video_policy;
4218 }
4219
4220 /**
4221  * Controls video preview enablement.
4222  *
4223  * @ingroup media_parameters
4224  * Video preview refers to the action of displaying the local webcam image
4225  * to the user while not in call.
4226 **/
4227 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4228         lc->video_conf.show_local=val;
4229         if (linphone_core_ready(lc))
4230                 lp_config_set_int(lc->config,"video","show_local",val);
4231 }
4232
4233 /**
4234  * Returns TRUE if video previewing is enabled.
4235  * @ingroup media_parameters
4236 **/
4237 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4238         return lc->video_conf.show_local;
4239 }
4240
4241 /**
4242  * Enables or disable self view during calls.
4243  *
4244  * @ingroup media_parameters
4245  * Self-view refers to having local webcam image inserted in corner
4246  * of the video window during calls.
4247  * This function works at any time, including during calls.
4248 **/
4249 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4250 #ifdef VIDEO_ENABLED
4251         LinphoneCall *call=linphone_core_get_current_call (lc);
4252         lc->video_conf.selfview=val;
4253         if (call && call->videostream){
4254                 video_stream_enable_self_view(call->videostream,val);
4255         }
4256         if (linphone_core_ready(lc)){
4257                 lp_config_set_int(lc->config,"video","self_view",val);
4258         }
4259 #endif
4260 }
4261
4262 /**
4263  * Returns TRUE if self-view is enabled, FALSE otherwise.
4264  *
4265  * @ingroup media_parameters
4266  *
4267  * Refer to linphone_core_enable_self_view() for details.
4268 **/
4269 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4270         return lc->video_conf.selfview;
4271 }
4272
4273 /**
4274  * Sets the active video device.
4275  *
4276  * @ingroup media_parameters
4277  * @param lc The LinphoneCore object
4278  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4279 **/
4280 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4281         MSWebCam *olddev=lc->video_conf.device;
4282         const char *vd;
4283         if (id!=NULL){
4284                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4285                 if (lc->video_conf.device==NULL){
4286                         ms_warning("Could not find video device %s",id);
4287                 }
4288         }
4289         if (lc->video_conf.device==NULL)
4290                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4291         if (olddev!=NULL && olddev!=lc->video_conf.device){
4292                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4293         }
4294         if ( linphone_core_ready(lc) && lc->video_conf.device){
4295                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4296                 if (vd && strstr(vd,"Static picture")!=NULL){
4297                         vd=NULL;
4298                 }
4299                 lp_config_set_string(lc->config,"video","device",vd);
4300         }
4301         return 0;
4302 }
4303
4304 /**
4305  * Returns the name of the currently active video device.
4306  *
4307  * @param lc The LinphoneCore object
4308  * @ingroup media_parameters
4309 **/
4310 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4311         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4312         return NULL;
4313 }
4314
4315 #ifdef VIDEO_ENABLED
4316 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4317         VideoStream *vs = NULL;
4318         LinphoneCall *call=linphone_core_get_current_call (lc);
4319         /* Select the video stream from the call in the first place */
4320         if (call && call->videostream) {
4321                 vs = call->videostream;
4322         }
4323         /* If not in call, select the video stream from the preview */
4324         if (vs == NULL && lc->previewstream) {
4325                 vs = lc->previewstream;
4326         }
4327         return vs;
4328 }
4329 #endif
4330
4331 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4332 #ifdef VIDEO_ENABLED
4333         VideoStream *vs=get_active_video_stream(lc);
4334         /* If we have a video stream (either preview, either from call), we
4335                  have a source and it is using the static picture filter, then
4336                  force the filter to use that picture. */
4337         if (vs && vs->source) {
4338                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4339                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4340                                                                                                                 (void *)path);
4341                 }
4342         }
4343         /* Tell the static image filter to use that image from now on so
4344                  that the image will be used next time it has to be read */
4345         ms_static_image_set_default_image(path);
4346 #else
4347         ms_warning("Video support not compiled.");
4348 #endif
4349         return 0;
4350 }
4351
4352 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4353         const char *path=NULL;
4354 #ifdef VIDEO_ENABLED
4355         path=ms_static_image_get_default_image();
4356 #else
4357         ms_warning("Video support not compiled.");
4358 #endif
4359         return path;
4360 }
4361
4362 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4363 #ifdef VIDEO_ENABLED
4364         VideoStream *vs = NULL;
4365
4366         vs=get_active_video_stream(lc);
4367
4368         /* If we have a video stream (either preview, either from call), we
4369                  have a source and it is using the static picture filter, then
4370                  force the filter to use that picture. */
4371         if (vs && vs->source) {
4372                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4373                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4374                 }
4375         }
4376 #else
4377         ms_warning("Video support not compiled.");
4378 #endif
4379         return 0;
4380 }
4381
4382 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4383 #ifdef VIDEO_ENABLED
4384         VideoStream *vs = NULL;
4385         vs=get_active_video_stream(lc);
4386         /* If we have a video stream (either preview, either from call), we
4387                  have a source and it is using the static picture filter, then
4388                  force the filter to use that picture. */
4389         if (vs && vs->source) {
4390                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4391
4392                         float fps;
4393
4394                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4395                         return fps;
4396                 }
4397         }
4398 #else
4399         ms_warning("Video support not compiled.");
4400 #endif
4401         return 0;
4402 }
4403
4404 /**
4405  * Returns the native window handle of the video window, casted as an unsigned long.
4406  *
4407  * @ingroup media_parameters
4408 **/
4409 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4410 #ifdef VIDEO_ENABLED
4411         LinphoneCall *call=linphone_core_get_current_call (lc);
4412         if (call && call->videostream)
4413                 return video_stream_get_native_window_id(call->videostream);
4414         if (lc->previewstream)
4415                 return video_stream_get_native_window_id(lc->previewstream);
4416 #endif
4417         return lc->video_window_id;
4418 }
4419
4420 /**@ingroup media_parameters
4421  * Set the native video window id where the video is to be displayed.
4422  * If not set the core will create its own window.
4423 **/
4424 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4425 #ifdef VIDEO_ENABLED
4426         LinphoneCall *call=linphone_core_get_current_call(lc);
4427         lc->video_window_id=id;
4428         if (call!=NULL && call->videostream){
4429                 video_stream_set_native_window_id(call->videostream,id);
4430         }
4431 #endif
4432 }
4433
4434 /**
4435  * Returns the native window handle of the video preview window, casted as an unsigned long.
4436  *
4437  * @ingroup media_parameters
4438 **/
4439 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4440 #ifdef VIDEO_ENABLED
4441         LinphoneCall *call=linphone_core_get_current_call (lc);
4442         if (call && call->videostream)
4443                 return video_stream_get_native_preview_window_id(call->videostream);
4444         if (lc->previewstream)
4445                 return video_preview_get_native_window_id(lc->previewstream);
4446 #endif
4447         return lc->preview_window_id;
4448 }
4449
4450 /**
4451  * @ingroup media_parameters
4452  * Set the native window id where the preview video (local camera) is to be displayed.
4453  * This has to be used in conjonction with linphone_core_use_preview_window().
4454  * If not set the core will create its own window.
4455 **/
4456 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4457         lc->preview_window_id=id;
4458 #ifdef VIDEO_ENABLED
4459         LinphoneCall *call=linphone_core_get_current_call(lc);
4460         if (call!=NULL && call->videostream){
4461                 video_stream_set_native_preview_window_id(call->videostream,id);
4462         }else if (lc->previewstream){
4463                 video_preview_set_native_window_id(lc->previewstream,id);
4464         }
4465 #endif
4466 }
4467
4468 /**
4469  * Can be used to disable video showing to free XV port
4470 **/
4471 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4472 #ifdef VIDEO_ENABLED
4473         ms_error("linphone_core_show_video %d", show);
4474         LinphoneCall *call=linphone_core_get_current_call(lc);
4475         if (call!=NULL && call->videostream){
4476                 video_stream_show_video(call->videostream,show);
4477         }
4478 #endif
4479 }
4480
4481 /**
4482  * Tells the core to use a separate window for local camera preview video, instead of
4483  * inserting local view within the remote video window.
4484  *
4485 **/
4486 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4487         lc->use_preview_window=yesno;
4488 }
4489 /**
4490  * @ingroup media_parameters
4491  *returns current device orientation
4492  */
4493 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4494         return lc->device_rotation;
4495 }
4496 /**
4497  * @ingroup media_parameters
4498  * Tells the core the device current orientation. This can be used by capture filters
4499  * on mobile devices to select between portrait/landscape mode and to produce properly
4500  * oriented images. The exact meaning of the value in rotation if left to each device
4501  * specific implementations.
4502  *@param lc  object.
4503  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4504  *
4505 **/
4506 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4507 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4508         lc->device_rotation = rotation;
4509 #ifdef VIDEO_ENABLED
4510         LinphoneCall *call=linphone_core_get_current_call(lc);
4511         if (call!=NULL && call->videostream){
4512                 video_stream_set_device_rotation(call->videostream,rotation);
4513         }
4514 #endif
4515 }
4516
4517 static MSVideoSizeDef supported_resolutions[]={
4518 #ifdef ENABLE_HD
4519         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4520         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4521 #endif
4522         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4523         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4524         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4525         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4526         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4527         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4528         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4529         {       {0,0}                   ,       NULL    }
4530 };
4531
4532 /**
4533  * Returns the zero terminated table of supported video resolutions.
4534  *
4535  * @ingroup media_parameters
4536 **/
4537 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4538         return supported_resolutions;
4539 }
4540
4541 static MSVideoSize video_size_get_by_name(const char *name){
4542         MSVideoSizeDef *pdef=supported_resolutions;
4543         MSVideoSize null_vsize={0,0};
4544         for(;pdef->name!=NULL;pdef++){
4545                 if (strcasecmp(name,pdef->name)==0){
4546                         return pdef->vsize;
4547                 }
4548         }
4549         ms_warning("Video resolution %s is not supported in linphone.",name);
4550         return null_vsize;
4551 }
4552
4553 static const char *video_size_get_name(MSVideoSize vsize){
4554         MSVideoSizeDef *pdef=supported_resolutions;
4555         for(;pdef->name!=NULL;pdef++){
4556                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4557                         return pdef->name;
4558                 }
4559         }
4560         return NULL;
4561 }
4562
4563 static bool_t video_size_supported(MSVideoSize vsize){
4564         if (video_size_get_name(vsize)) return TRUE;
4565         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4566         return FALSE;
4567 }
4568
4569 /**
4570  * Sets the preferred video size.
4571  *
4572  * @ingroup media_parameters
4573  * This applies only to the stream that is captured and sent to the remote party,
4574  * since we accept all standard video size on the receive path.
4575 **/
4576 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4577         if (video_size_supported(vsize)){
4578                 MSVideoSize oldvsize=lc->video_conf.vsize;
4579                 lc->video_conf.vsize=vsize;
4580                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4581                         toggle_video_preview(lc,FALSE);
4582                         toggle_video_preview(lc,TRUE);
4583                 }
4584                 if ( linphone_core_ready(lc))
4585                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4586         }
4587 }
4588
4589 /**
4590  * Sets the preferred video size by its name.
4591  *
4592  * @ingroup media_parameters
4593  * This is identical to linphone_core_set_preferred_video_size() except
4594  * that it takes the name of the video resolution as input.
4595  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4596 **/
4597 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4598         MSVideoSize vsize=video_size_get_by_name(name);
4599         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4600         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4601         else linphone_core_set_preferred_video_size(lc,default_vsize);
4602 }
4603
4604 /**
4605  * Returns the current preferred video size for sending.
4606  *
4607  * @ingroup media_parameters
4608 **/
4609 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4610         return lc->video_conf.vsize;
4611 }
4612
4613 /**
4614  * Ask the core to stream audio from and to files, instead of using the soundcard.
4615 **/
4616 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4617         lc->use_files=yesno;
4618 }
4619
4620 /**
4621  * Sets a wav file to be played when putting somebody on hold,
4622  * or when files are used instead of soundcards (see linphone_core_use_files()).
4623  *
4624  * The file must be a 16 bit linear wav file.
4625 **/
4626 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4627         LinphoneCall *call=linphone_core_get_current_call(lc);
4628         if (lc->play_file!=NULL){
4629                 ms_free(lc->play_file);
4630                 lc->play_file=NULL;
4631         }
4632         if (file!=NULL) {
4633                 lc->play_file=ms_strdup(file);
4634                 if (call && call->audiostream && call->audiostream->ms.ticker)
4635                         audio_stream_play(call->audiostream,file);
4636         }
4637 }
4638
4639
4640 /**
4641  * Sets a wav file where incoming stream is to be recorded,
4642  * when files are used instead of soundcards (see linphone_core_use_files()).
4643  *
4644  * The file must be a 16 bit linear wav file.
4645 **/
4646 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4647         LinphoneCall *call=linphone_core_get_current_call(lc);
4648         if (lc->rec_file!=NULL){
4649                 ms_free(lc->rec_file);
4650                 lc->rec_file=NULL;
4651         }
4652         if (file!=NULL) {
4653                 lc->rec_file=ms_strdup(file);
4654                 if (call && call->audiostream)
4655                         audio_stream_record(call->audiostream,file);
4656         }
4657 }
4658
4659
4660 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4661         LinphoneCall *call=linphone_core_get_current_call (lc);
4662         AudioStream *stream=NULL;
4663         if (call){
4664                 stream=call->audiostream;
4665         }else if (linphone_core_is_in_conference(lc)){
4666                 stream=lc->conf_ctx.local_participant;
4667         }
4668         if (stream){
4669                 return stream->dtmfgen;
4670         }
4671         if (lc->ringstream==NULL){
4672                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4673                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4674                 if (ringcard == NULL)
4675                         return NULL;
4676
4677                 lc->ringstream=ring_start(NULL,0,ringcard);
4678                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4679                 lc->dmfs_playing_start_time=time(NULL);
4680         }else{
4681                 if (lc->dmfs_playing_start_time!=0)
4682                         lc->dmfs_playing_start_time=time(NULL);
4683         }
4684         return lc->ringstream->gendtmf;
4685 }
4686
4687 /**
4688  * @ingroup media_parameters
4689  * Plays a dtmf sound to the local user.
4690  * @param lc #LinphoneCore
4691  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4692  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4693 **/
4694 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4695         MSFilter *f=get_dtmf_gen(lc);
4696         if (f==NULL){
4697                 ms_error("No dtmf generator at this time !");
4698                 return;
4699         }
4700
4701         if (duration_ms>0)
4702                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4703         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4704 }
4705
4706 /**
4707  * @ingroup media_parameters
4708  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4709  * @param lc #LinphoneCore
4710 **/
4711 void linphone_core_play_tone(LinphoneCore *lc){
4712         MSFilter *f=get_dtmf_gen(lc);
4713         MSDtmfGenCustomTone def;
4714         if (f==NULL){
4715                 ms_error("No dtmf generator at this time !");
4716                 return;
4717         }
4718         def.duration=300;
4719         def.frequency=500;
4720         def.amplitude=1;
4721         def.interval=2000;
4722         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4723 }
4724
4725 /**
4726  * @ingroup media_parameters
4727  *
4728  * Stops playing a dtmf started by linphone_core_play_dtmf().
4729 **/
4730 void linphone_core_stop_dtmf(LinphoneCore *lc){
4731         MSFilter *f=get_dtmf_gen(lc);
4732         if (f!=NULL)
4733                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4734 }
4735
4736
4737
4738 /**
4739  * Retrieves the user pointer that was given to linphone_core_new()
4740  *
4741  * @ingroup initializing
4742 **/
4743 void *linphone_core_get_user_data(LinphoneCore *lc){
4744         return lc->data;
4745 }
4746
4747 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4748         lc->data=userdata;
4749 }
4750
4751 int linphone_core_get_mtu(const LinphoneCore *lc){
4752         return lc->net_conf.mtu;
4753 }
4754
4755 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4756         lc->net_conf.mtu=mtu;
4757         if (mtu>0){
4758                 if (mtu<500){
4759                         ms_error("MTU too small !");
4760                         mtu=500;
4761                 }
4762                 ms_set_mtu(mtu);
4763                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4764         }else ms_set_mtu(0);//use mediastreamer2 default value
4765 }
4766
4767 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4768         lc->wait_cb=cb;
4769         lc->wait_ctx=user_context;
4770 }
4771
4772 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4773         if (lc->wait_cb){
4774                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4775         }
4776 }
4777
4778 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4779         if (lc->wait_cb){
4780                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4781         }else{
4782 #ifdef WIN32
4783                 Sleep(50000);
4784 #else
4785                 usleep(50000);
4786 #endif
4787         }
4788 }
4789
4790 void linphone_core_stop_waiting(LinphoneCore *lc){
4791         if (lc->wait_cb){
4792                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4793         }
4794 }
4795
4796 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4797         lc->rtptf=factories;
4798 }
4799
4800 /**
4801  * Retrieve RTP statistics regarding current call.
4802  * @param local RTP statistics computed locally.
4803  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4804  *
4805  * @note Remote RTP statistics is not implemented yet.
4806  *
4807  * @returns 0 or -1 if no call is running.
4808 **/
4809
4810 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4811         LinphoneCall *call=linphone_core_get_current_call (lc);
4812         if (call!=NULL){
4813                 if (call->audiostream!=NULL){
4814                         memset(remote,0,sizeof(*remote));
4815                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4816                         return 0;
4817                 }
4818         }
4819         return -1;
4820 }
4821
4822 void net_config_uninit(LinphoneCore *lc)
4823 {
4824         net_config_t *config=&lc->net_conf;
4825
4826         if (config->stun_server!=NULL){
4827                 ms_free(lc->net_conf.stun_server);
4828         }
4829         if (config->nat_address!=NULL){
4830                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4831                 ms_free(lc->net_conf.nat_address);
4832         }
4833         if (lc->net_conf.nat_address_ip !=NULL){
4834                 ms_free(lc->net_conf.nat_address_ip);
4835         }
4836         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4837 }
4838
4839
4840 void sip_config_uninit(LinphoneCore *lc)
4841 {
4842         MSList *elem;
4843         int i;
4844         sip_config_t *config=&lc->sip_conf;
4845
4846         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4847         lp_config_set_string(lc->config,"sip","contact",config->contact);
4848         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4849         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
4850         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4851         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4852         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4853         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4854
4855
4856
4857
4858         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4859                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4860                 linphone_proxy_config_edit(cfg);        /* to unregister */
4861         }
4862
4863         for (i=0;i<20;i++){
4864                 sal_iterate(lc->sal);
4865 #ifndef WIN32
4866                 usleep(100000);
4867 #else
4868                 Sleep(100);
4869 #endif
4870         }
4871
4872         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4873         ms_list_free(config->proxies);
4874         config->proxies=NULL;
4875
4876         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4877
4878         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4879         ms_list_free(lc->auth_info);
4880         lc->auth_info=NULL;
4881
4882         sal_uninit(lc->sal);
4883         lc->sal=NULL;
4884
4885         if (lc->sip_conf.guessed_contact)
4886                 ms_free(lc->sip_conf.guessed_contact);
4887         if (config->contact)
4888                 ms_free(config->contact);
4889
4890 }
4891
4892 void rtp_config_uninit(LinphoneCore *lc)
4893 {
4894         rtp_config_t *config=&lc->rtp_conf;
4895         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4896                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4897         } else {
4898                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4899         }
4900         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4901                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4902         } else {
4903                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4904         }
4905         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4906         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4907         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4908         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4909         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4910 }
4911
4912 static void sound_config_uninit(LinphoneCore *lc)
4913 {
4914         sound_config_t *config=&lc->sound_conf;
4915         ms_free(config->cards);
4916
4917         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4918         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
4919         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
4920
4921         if (config->local_ring) ms_free(config->local_ring);
4922         if (config->remote_ring) ms_free(config->remote_ring);
4923         ms_snd_card_manager_destroy();
4924 }
4925
4926 static void video_config_uninit(LinphoneCore *lc)
4927 {
4928         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4929         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4930         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4931         if (lc->video_conf.cams)
4932                 ms_free(lc->video_conf.cams);
4933 }
4934
4935 void _linphone_core_codec_config_write(LinphoneCore *lc){
4936         if (linphone_core_ready(lc)){
4937                 PayloadType *pt;
4938                 codecs_config_t *config=&lc->codecs_conf;
4939                 MSList *node;
4940                 char key[50];
4941                 int index;
4942                 index=0;
4943                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4944                         pt=(PayloadType*)(node->data);
4945                         sprintf(key,"audio_codec_%i",index);
4946                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4947                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4948                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4949                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4950                         index++;
4951                 }
4952                 sprintf(key,"audio_codec_%i",index);
4953                 lp_config_clean_section (lc->config,key);
4954
4955                 index=0;
4956                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4957                         pt=(PayloadType*)(node->data);
4958                         sprintf(key,"video_codec_%i",index);
4959                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4960                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4961                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4962                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4963                         index++;
4964                 }
4965                 sprintf(key,"video_codec_%i",index);
4966                 lp_config_clean_section (lc->config,key);
4967         }
4968 }
4969
4970 static void codecs_config_uninit(LinphoneCore *lc)
4971 {
4972         _linphone_core_codec_config_write(lc);
4973         ms_list_free(lc->codecs_conf.audio_codecs);
4974         ms_list_free(lc->codecs_conf.video_codecs);
4975 }
4976
4977 void ui_config_uninit(LinphoneCore* lc)
4978 {
4979         if (lc->friends){
4980                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4981                 ms_list_free(lc->friends);
4982                 lc->friends=NULL;
4983         }
4984 }
4985
4986 /**
4987  * Returns the LpConfig object used to manage the storage (config) file.
4988  *
4989  * @ingroup misc
4990  * The application can use the LpConfig object to insert its own private
4991  * sections and pairs of key=value in the configuration file.
4992  *
4993 **/
4994 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4995         return lc->config;
4996 }
4997
4998 static void linphone_core_uninit(LinphoneCore *lc)
4999 {
5000         linphone_core_free_hooks(lc);
5001         while(lc->calls)
5002         {
5003                 LinphoneCall *the_call = lc->calls->data;
5004                 linphone_core_terminate_call(lc,the_call);
5005                 linphone_core_iterate(lc);
5006 #ifdef WIN32
5007                 Sleep(50000);
5008 #else
5009                 usleep(50000);
5010 #endif
5011         }
5012
5013 #ifdef BUILD_UPNP
5014         linphone_upnp_context_destroy(lc->upnp);
5015         lc->upnp = NULL;
5016 #endif  //BUILD_UPNP
5017
5018         if (lc->friends)
5019                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
5020         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
5021 #ifdef VIDEO_ENABLED
5022         if (lc->previewstream!=NULL){
5023                 video_preview_stop(lc->previewstream);
5024                 lc->previewstream=NULL;
5025         }
5026 #endif
5027         ms_event_queue_destroy(lc->msevq);
5028         lc->msevq=NULL;
5029         /* save all config */
5030         net_config_uninit(lc);
5031         rtp_config_uninit(lc);
5032         if (lc->ringstream) ring_stop(lc->ringstream);
5033         sound_config_uninit(lc);
5034         video_config_uninit(lc);
5035         codecs_config_uninit(lc);
5036         ui_config_uninit(lc);
5037         sip_config_uninit(lc);
5038         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
5039         lp_config_destroy(lc->config);
5040         lc->config = NULL; /* Mark the config as NULL to block further calls */
5041         sip_setup_unregister_all();
5042
5043         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
5044         lc->call_logs=ms_list_free(lc->call_logs);
5045
5046         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
5047         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
5048
5049         linphone_core_free_payload_types(lc);
5050         ortp_exit();
5051         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
5052 #ifdef TUNNEL_ENABLED
5053         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
5054 #endif
5055 }
5056
5057 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
5058         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
5059         // second get the list of available proxies
5060         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5061         for(;elem!=NULL;elem=elem->next){
5062                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5063                 if (linphone_proxy_config_register_enabled(cfg) ) {
5064                         if (!isReachable) {
5065                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
5066                         }else{
5067                                 cfg->commit=TRUE;
5068                         }
5069                 }
5070         }
5071         lc->netup_time=curtime;
5072         lc->network_reachable=isReachable;
5073         if(!isReachable) {
5074                 sal_reset_transports(lc->sal);
5075         }
5076 }
5077
5078 void linphone_core_refresh_registers(LinphoneCore* lc) {
5079         const MSList *elem;
5080         if (!lc->network_reachable) {
5081                 ms_warning("Refresh register operation not available (network unreachable)");
5082                 return;
5083         }
5084         elem=linphone_core_get_proxy_config_list(lc);
5085         for(;elem!=NULL;elem=elem->next){
5086                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5087                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
5088                         linphone_proxy_config_refresh_register(cfg);
5089                 }
5090         }
5091 }
5092
5093 void __linphone_core_invalidate_registers(LinphoneCore* lc){
5094         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5095         for(;elem!=NULL;elem=elem->next){
5096                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5097                 if (linphone_proxy_config_register_enabled(cfg)) {
5098                         linphone_proxy_config_edit(cfg);
5099                         linphone_proxy_config_done(cfg);
5100                 }
5101         }
5102 }
5103
5104 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
5105         //first disable automatic mode
5106         if (lc->auto_net_state_mon) {
5107                 ms_message("Disabling automatic network state monitoring");
5108                 lc->auto_net_state_mon=FALSE;
5109         }
5110         set_network_reachable(lc,isReachable, ms_time(NULL));
5111 }
5112
5113 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
5114         return lc->network_reachable;
5115 }
5116 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
5117         return sal_get_socket(lc->sal);
5118 }
5119 /**
5120  * Destroys a LinphoneCore
5121  *
5122  * @ingroup initializing
5123 **/
5124 void linphone_core_destroy(LinphoneCore *lc){
5125         linphone_core_uninit(lc);
5126         ms_free(lc);
5127 }
5128 /**
5129  * Get the number of Call
5130  *
5131  * @ingroup call_control
5132 **/
5133 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5134         return  ms_list_size(lc->calls);;
5135 }
5136
5137 /**
5138  * Check if we do not have exceed the number of simultaneous call
5139  *
5140  * @ingroup call_control
5141 **/
5142 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5143 {
5144         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5145                 return TRUE;
5146         ms_message("Maximum amount of simultaneous calls reached !");
5147         return FALSE;
5148 }
5149
5150
5151 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5152 {
5153         if(linphone_core_can_we_add_call(lc))
5154         {
5155                 lc->calls = ms_list_append(lc->calls,call);
5156                 return 0;
5157         }
5158         return -1;
5159 }
5160
5161 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5162 {
5163         MSList *it;
5164         MSList *the_calls = lc->calls;
5165
5166         it=ms_list_find(the_calls,call);
5167         if (it)
5168         {
5169                 the_calls = ms_list_remove_link(the_calls,it);
5170         }
5171         else
5172         {
5173                 ms_warning("could not find the call into the list\n");
5174                 return -1;
5175         }
5176         lc->calls = the_calls;
5177         return 0;
5178 }
5179
5180 /**
5181  * Specifiies a ring back tone to be played to far end during incoming calls.
5182 **/
5183 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5184         if (lc->sound_conf.ringback_tone){
5185                 ms_free(lc->sound_conf.ringback_tone);
5186                 lc->sound_conf.ringback_tone=NULL;
5187         }
5188         if (file)
5189                 lc->sound_conf.ringback_tone=ms_strdup(file);
5190 }
5191
5192 /**
5193  * Returns the ring back tone played to far end during incoming calls.
5194 **/
5195 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5196         return lc->sound_conf.ringback_tone;
5197 }
5198
5199 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5200         const MSList *elem;
5201         for(elem=from;elem!=NULL;elem=elem->next){
5202                 PayloadType *pt=(PayloadType*)elem->data;
5203                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5204                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5205                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5206                         return pt;
5207                 }
5208         }
5209         return NULL;
5210 }
5211
5212
5213 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5214         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5215         if (result)  {
5216                 return result;
5217         } else {
5218                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5219                 if (result) {
5220                         return result;
5221                 }
5222         }
5223         /*not found*/
5224         return NULL;
5225 }
5226
5227 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5228         switch(gs){
5229                 case LinphoneGlobalOff:
5230                         return "LinphoneGlobalOff";
5231                 break;
5232                 case LinphoneGlobalOn:
5233                         return "LinphoneGlobalOn";
5234                 break;
5235                 case LinphoneGlobalStartup:
5236                         return "LinphoneGlobalStartup";
5237                 break;
5238                 case LinphoneGlobalShutdown:
5239                         return "LinphoneGlobalShutdown";
5240                 break;
5241         }
5242         return NULL;
5243 }
5244
5245 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5246         return lc->state;
5247 }
5248
5249 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5250         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5251         linphone_core_init_default_params(lc, p);
5252         return p;
5253 }
5254
5255 const char *linphone_reason_to_string(LinphoneReason err){
5256         switch(err){
5257                 case LinphoneReasonNone:
5258                         return "No error";
5259                 case LinphoneReasonNoResponse:
5260                         return "No response";
5261                 case LinphoneReasonBadCredentials:
5262                         return "Bad credentials";
5263                 case LinphoneReasonDeclined:
5264                         return "Call declined";
5265                 case LinphoneReasonNotFound:
5266                         return "User not found";
5267                 case LinphoneReasonNotAnswered:
5268                         return "Not answered";
5269                 case LinphoneReasonBusy:
5270                         return "Busy";
5271         }
5272         return "unknown error";
5273 }
5274
5275 const char *linphone_error_to_string(LinphoneReason err){
5276         return linphone_reason_to_string(err);
5277 }
5278 /**
5279  * Enables signaling keep alive
5280  */
5281 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5282         if (enable > 0) {
5283                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5284         } else {
5285                 sal_set_keepalive_period(lc->sal,0);
5286         }
5287 }
5288 /**
5289  * Is signaling keep alive enabled
5290  */
5291 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5292         return sal_get_keepalive_period(lc->sal) > 0;
5293 }
5294
5295 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5296         get_dtmf_gen(lc); /*make sure ring stream is started*/
5297         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5298 }
5299
5300 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5301         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5302                 ring_stop(lc->ringstream);
5303                 lc->ringstream=NULL;
5304         }
5305 }
5306
5307 int linphone_core_get_max_calls(LinphoneCore *lc) {
5308         return lc->max_calls;
5309 }
5310 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5311         lc->max_calls=max;
5312 }
5313
5314 typedef struct Hook{
5315         LinphoneCoreIterateHook fun;
5316         void *data;
5317 }Hook;
5318
5319 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5320         Hook *h=ms_new(Hook,1);
5321         h->fun=hook;
5322         h->data=hook_data;
5323         return h;
5324 }
5325
5326 static void hook_invoke(Hook *h){
5327         h->fun(h->data);
5328 }
5329
5330 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5331         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5332 }
5333
5334 static void linphone_core_run_hooks(LinphoneCore *lc){
5335         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5336 }
5337
5338 static void linphone_core_free_hooks(LinphoneCore *lc){
5339         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5340         ms_list_free(lc->hooks);
5341         lc->hooks=NULL;
5342 }
5343
5344 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5345         MSList *elem;
5346         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5347                 Hook *h=(Hook*)elem->data;
5348                 if (h->fun==hook && h->data==hook_data){
5349                         ms_list_remove_link(lc->hooks,elem);
5350                         ms_free(h);
5351                         return;
5352                 }
5353         }
5354         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5355 }
5356
5357 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5358         if (lc->zrtp_secrets_cache != NULL) {
5359                 ms_free(lc->zrtp_secrets_cache);
5360         }
5361         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5362 }
5363
5364 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5365         return lc->zrtp_secrets_cache;
5366 }
5367
5368 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5369         if (uri == NULL) return NULL;
5370         MSList *calls=lc->calls;
5371         while(calls) {
5372                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5373                 calls=calls->next;
5374                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5375                 char *current_uri=linphone_address_as_string_uri_only(address);
5376                 if (strcmp(uri,current_uri)==0) {
5377                         ms_free(current_uri);
5378                         return c;
5379                 } else {
5380                         ms_free(current_uri);
5381                 }
5382         }
5383         return NULL;
5384 }
5385
5386
5387 /**
5388  * Check if a call will need the sound resources.
5389  *
5390  * @ingroup call_control
5391  * @param lc The LinphoneCore
5392 **/
5393 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5394         MSList *calls=lc->calls;
5395         while(calls) {
5396                 LinphoneCall *c=(LinphoneCall*)calls->data;
5397                 calls=calls->next;
5398                 switch (c->state) {
5399                         case LinphoneCallOutgoingInit:
5400                         case LinphoneCallOutgoingProgress:
5401                         case LinphoneCallOutgoingRinging:
5402                         case LinphoneCallOutgoingEarlyMedia:
5403                         case LinphoneCallConnected:
5404                         case LinphoneCallRefered:
5405                         case LinphoneCallIncomingEarlyMedia:
5406                         case LinphoneCallUpdating:
5407                                 return TRUE;
5408                         default:
5409                                 break;
5410                 }
5411         }
5412         return FALSE;
5413 }
5414
5415 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5416         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5417 }
5418
5419 /**
5420  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5421 **/
5422 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5423         switch(menc){
5424                 case LinphoneMediaEncryptionSRTP:
5425                         return ortp_srtp_supported();
5426                 case LinphoneMediaEncryptionZRTP:
5427                         return ortp_zrtp_available();
5428                 case LinphoneMediaEncryptionNone:
5429                         return TRUE;
5430         }
5431         return FALSE;
5432 }
5433
5434 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5435         const char *type="none";
5436         int ret=0;
5437         if (menc == LinphoneMediaEncryptionSRTP){
5438                 if (!ortp_srtp_supported()){
5439                         ms_warning("SRTP not supported by library.");
5440                         type="none";
5441                         ret=-1;
5442                 }else type="srtp";
5443         }else if (menc == LinphoneMediaEncryptionZRTP){
5444                 if (!ortp_zrtp_available()){
5445                         ms_warning("ZRTP not supported by library.");
5446                         type="none";
5447                         ret=-1;
5448                 }else type="zrtp";
5449         }
5450         lp_config_set_string(lc->config,"sip","media_encryption",type);
5451         return ret;
5452 }
5453
5454 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5455         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5456
5457         if (menc == NULL)
5458                 return LinphoneMediaEncryptionNone;
5459         else if (strcmp(menc, "srtp")==0)
5460                 return LinphoneMediaEncryptionSRTP;
5461         else if (strcmp(menc, "zrtp")==0)
5462                 return LinphoneMediaEncryptionZRTP;
5463         else
5464                 return LinphoneMediaEncryptionNone;
5465 }
5466
5467 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5468         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5469 }
5470
5471 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5472         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5473 }
5474
5475 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5476         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5477         params->media_encryption=linphone_core_get_media_encryption(lc);
5478         params->in_conference=FALSE;
5479 }
5480
5481
5482
5483 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5484         if (lc->device_id) ms_free(lc->device_id);
5485         lc->device_id=ms_strdup(device_id);
5486 }
5487 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5488         return lc->device_id;
5489 }
5490
5491 /**
5492  * Set the DSCP field for SIP signaling channel.
5493  *
5494  * @ingroup network_parameters
5495  * * The DSCP defines the quality of service in IP packets.
5496  *
5497 **/
5498 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5499         sal_set_dscp(lc->sal,dscp);
5500         if (linphone_core_ready(lc)){
5501                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5502                 apply_transports(lc);
5503         }
5504 }
5505
5506 /**
5507  * Get the DSCP field for SIP signaling channel.
5508  *
5509  * @ingroup network_parameters
5510  * * The DSCP defines the quality of service in IP packets.
5511  *
5512 **/
5513 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5514         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5515 }
5516
5517 /**
5518  * Set the DSCP field for outgoing audio streams.
5519  *
5520  * @ingroup network_parameters
5521  * The DSCP defines the quality of service in IP packets.
5522  *
5523 **/
5524 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5525         if (linphone_core_ready(lc))
5526                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5527 }
5528
5529 /**
5530  * Get the DSCP field for outgoing audio streams.
5531  *
5532  * @ingroup network_parameters
5533  * The DSCP defines the quality of service in IP packets.
5534  *
5535 **/
5536 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5537         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5538 }
5539
5540 /**
5541  * Set the DSCP field for outgoing video streams.
5542  *
5543  * @ingroup network_parameters
5544  * The DSCP defines the quality of service in IP packets.
5545  *
5546 **/
5547 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5548         if (linphone_core_ready(lc))
5549                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5550
5551 }
5552
5553 /**
5554  * Get the DSCP field for outgoing video streams.
5555  *
5556  * @ingroup network_parameters
5557  * The DSCP defines the quality of service in IP packets.
5558  *
5559 **/
5560 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5561         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5562 }