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