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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <math.h>
  28 #include <ortp/telephonyevents.h>
  29 #include <ortp/zrtp.h>
  30 #include "mediastreamer2/mediastream.h"
  31 #include "mediastreamer2/mseventqueue.h"
  32 #include "mediastreamer2/msvolume.h"
  33 #include "mediastreamer2/msequalizer.h"
  34 #include "mediastreamer2/dtmfgen.h"
  35
  36 #ifdef INET6
  37 #ifndef WIN32
  38 #include <netdb.h>
  39 #endif
  40 #endif
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #include "liblinphone_gitversion.h"
  45 #else
  46 #ifndef LIBLINPHONE_GIT_VERSION
  47 #define LIBLINPHONE_GIT_VERSION "unknown"
  48 #endif
  49 #endif
  50
  51
  52 /*#define UNSTANDART_GSM_11K 1*/
  53
  54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  55
  56 static const char *liblinphone_version=
  57 #ifdef LIBLINPHONE_GIT_VERSION
  58         LIBLINPHONE_GIT_VERSION
  59 #else
  60         LIBLINPHONE_VERSION
  61 #endif
  62 ;
  63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  64 static void linphone_core_run_hooks(LinphoneCore *lc);
  65 static void linphone_core_free_hooks(LinphoneCore *lc);
  66
  67 #include "enum.h"
  68
  69 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  70 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  71 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  72
  73 /* relative path where is stored local ring*/
  74 #define LOCAL_RING "rings/oldphone.wav"
  75 /* same for remote ring (ringback)*/
  76 #define REMOTE_RING "ringback.wav"
  77 #define HOLD_MUSIC "rings/toy-mono.wav"
  78
  79
  80 extern SalCallbacks linphone_sal_callbacks;
  81
  82 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  83 {
  84   obj->_func=func;
  85   obj->_user_data=ud;
  86 }
  87
  88 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  89         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  90         return 0;
  91 }
  92
  93
  94 /*prevent a gcc bug with %c*/
  95 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  96 #if !defined(_WIN32_WCE)
  97         return strftime(s, max, fmt, tm);
  98 #else
  99         return 0;
 100         /*FIXME*/
 101 #endif /*_WIN32_WCE*/
 102 }
 103
 104 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
 105         struct tm loctime;
 106 #ifdef WIN32
 107 #if !defined(_WIN32_WCE)
 108         loctime=*localtime(&start_time);
 109         /*FIXME*/
 110 #endif /*_WIN32_WCE*/
 111 #else
 112         localtime_r(&start_time,&loctime);
 113 #endif
 114         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 115 }
 116
 117 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 118         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 119         cl->dir=call->dir;
 120         cl->start_date_time=call->start_time;
 121         set_call_log_date(cl,cl->start_date_time);
 122         cl->from=from;
 123         cl->to=to;
 124     cl->status=LinphoneCallAborted; /*default status*/
 125         return cl;
 126 }
 127
 128 void call_logs_write_to_config_file(LinphoneCore *lc){
 129         MSList *elem;
 130         char logsection[32];
 131         int i;
 132         char *tmp;
 133         LpConfig *cfg=lc->config;
 134
 135         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 136
 137         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 138                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 139                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 140                 lp_config_clean_section(cfg,logsection);
 141                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 142                 lp_config_set_int(cfg,logsection,"status",cl->status);
 143                 tmp=linphone_address_as_string(cl->from);
 144                 lp_config_set_string(cfg,logsection,"from",tmp);
 145                 ms_free(tmp);
 146                 tmp=linphone_address_as_string(cl->to);
 147                 lp_config_set_string(cfg,logsection,"to",tmp);
 148                 ms_free(tmp);
 149                 if (cl->start_date_time)
 150                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 151                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 152                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 153                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 154                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 155                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 156                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 157         }
 158         for(;i<lc->max_call_logs;++i){
 159                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 160                 lp_config_clean_section(cfg,logsection);
 161         }
 162 }
 163
 164 static time_t string_to_time(const char *date){
 165 #ifndef WIN32
 166         struct tm tmtime={0};
 167         strptime(date,"%c",&tmtime);
 168         return mktime(&tmtime);
 169 #else
 170         return 0;
 171 #endif
 172 }
 173
 174 static void call_logs_read_from_config_file(LinphoneCore *lc){
 175         char logsection[32];
 176         int i;
 177         const char *tmp;
 178         uint64_t sec;
 179         LpConfig *cfg=lc->config;
 180         for(i=0;;++i){
 181                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 182                 if (lp_config_has_section(cfg,logsection)){
 183                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 184                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 185                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 186                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 187                         if (tmp) cl->from=linphone_address_new(tmp);
 188                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 189                         if (tmp) cl->to=linphone_address_new(tmp);
 190                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 191                         if (sec) {
 192                                 /*new call log format with date expressed in seconds */
 193                                 cl->start_date_time=(time_t)sec;
 194                                 set_call_log_date(cl,cl->start_date_time);
 195                         }else{
 196                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 197                                 if (tmp) {
 198                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 199                                         cl->start_date_time=string_to_time(cl->start_date);
 200                                 }
 201                         }
 202                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 203                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 204                         if (tmp) cl->refkey=ms_strdup(tmp);
 205                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 206                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 207                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 208                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 209                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 210                 }else break;
 211         }
 212 }
 213
 214
 215
 216 /**
 217  * @addtogroup call_logs
 218  * @{
 219 **/
 220
 221 /**
 222  * Returns a human readable string describing the call.
 223  *
 224  * @note: the returned char* must be freed by the application (use ms_free()).
 225 **/
 226 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 227         char *status;
 228         char *tmp;
 229         char *from=linphone_address_as_string (cl->from);
 230         char *to=linphone_address_as_string (cl->to);
 231         switch(cl->status){
 232                 case LinphoneCallAborted:
 233                         status=_("aborted");
 234                         break;
 235                 case LinphoneCallSuccess:
 236                         status=_("completed");
 237                         break;
 238                 case LinphoneCallMissed:
 239                         status=_("missed");
 240                         break;
 241                 default:
 242                         status="unknown";
 243         }
 244         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 245                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 246                         cl->start_date,
 247                         from,
 248                         to,
 249                         status,
 250                         cl->duration/60,
 251                         cl->duration%60);
 252         ms_free(from);
 253         ms_free(to);
 254         return tmp;
 255 }
 256
 257 /**
 258  * Returns RTP statistics computed locally regarding the call.
 259  *
 260 **/
 261 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 262         return &cl->local_stats;
 263 }
 264
 265 /**
 266  * Returns RTP statistics computed by remote end and sent back via RTCP.
 267  *
 268  * @note Not implemented yet.
 269 **/
 270 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 271         return &cl->remote_stats;
 272 }
 273
 274 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 275         cl->user_pointer=up;
 276 }
 277
 278 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 279         return cl->user_pointer;
 280 }
 281
 282
 283
 284 /**
 285  * Associate a persistent reference key to the call log.
 286  *
 287  * The reference key can be for example an id to an external database.
 288  * It is stored in the config file, thus can survive to process exits/restarts.
 289  *
 290 **/
 291 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 292         if (cl->refkey!=NULL){
 293                 ms_free(cl->refkey);
 294                 cl->refkey=NULL;
 295         }
 296         if (refkey) cl->refkey=ms_strdup(refkey);
 297 }
 298
 299 /**
 300  * Get the persistent reference key associated to the call log.
 301  *
 302  * The reference key can be for example an id to an external database.
 303  * It is stored in the config file, thus can survive to process exits/restarts.
 304  *
 305 **/
 306 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 307         return cl->refkey;
 308 }
 309
 310 /** @} */
 311
 312 void linphone_call_log_destroy(LinphoneCallLog *cl){
 313         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 314         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 315         if (cl->refkey!=NULL) ms_free(cl->refkey);
 316         if (cl->call_id) ms_free((void*)cl->call_id);
 317         ms_free(cl);
 318 }
 319
 320 /**
 321  * Returns TRUE if the LinphoneCall asked to autoanswer
 322  *
 323 **/
 324 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 325         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 326         if(call)
 327                 return sal_call_autoanswer_asked(call->op);
 328         else
 329                 return FALSE;
 330 }
 331
 332 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 333         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 334         if (call)  return linphone_call_get_duration(call);
 335         return -1;
 336 }
 337
 338 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 339         LinphoneCall *call=linphone_core_get_current_call(lc);
 340         if (call==NULL) return NULL;
 341         return linphone_call_get_remote_address(call);
 342 }
 343
 344 /**
 345  * Enable logs in supplied FILE*.
 346  *
 347  * @ingroup misc
 348  *
 349  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 350  *
 351 **/
 352 void linphone_core_enable_logs(FILE *file){
 353         if (file==NULL) file=stdout;
 354         ortp_set_log_file(file);
 355         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 356 }
 357
 358 /**
 359  * Enable logs through the user's supplied log callback.
 360  *
 361  * @ingroup misc
 362  *
 363  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 364  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 365  *
 366 **/
 367 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 368         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 369         ortp_set_log_handler(logfunc);
 370 }
 371
 372 /**
 373  * Entirely disable logging.
 374  *
 375  * @ingroup misc
 376 **/
 377 void linphone_core_disable_logs(){
 378         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 379 }
 380
 381
 382 static void net_config_read (LinphoneCore *lc)
 383 {
 384         int tmp;
 385         const char *tmpstr;
 386         LpConfig *config=lc->config;
 387
 388         lc->net_conf.nat_address_ip = NULL;
 389         tmp=lp_config_get_int(config,"net","download_bw",0);
 390         linphone_core_set_download_bandwidth(lc,tmp);
 391         tmp=lp_config_get_int(config,"net","upload_bw",0);
 392         linphone_core_set_upload_bandwidth(lc,tmp);
 393         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 394         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 395         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 396         linphone_core_set_nat_address(lc,tmpstr);
 397         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 398         linphone_core_set_firewall_policy(lc,tmp);
 399         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 400         lc->net_conf.nat_sdp_only=tmp;
 401         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 402         linphone_core_set_mtu(lc,tmp);
 403         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 404         linphone_core_set_download_ptime(lc,tmp);
 405
 406 }
 407
 408 static void build_sound_devices_table(LinphoneCore *lc){
 409         const char **devices;
 410         const char **old;
 411         int ndev;
 412         int i;
 413         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 414         ndev=ms_list_size(elem);
 415         devices=ms_malloc((ndev+1)*sizeof(const char *));
 416         for (i=0;elem!=NULL;elem=elem->next,i++){
 417                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 418         }
 419         devices[ndev]=NULL;
 420         old=lc->sound_conf.cards;
 421         lc->sound_conf.cards=devices;
 422         if (old!=NULL) ms_free(old);
 423 }
 424
 425 static void sound_config_read(LinphoneCore *lc)
 426 {
 427         int tmp;
 428         const char *tmpbuf;
 429         const char *devid;
 430 #ifdef __linux
 431         /*alsadev let the user use custom alsa device within linphone*/
 432         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 433         if (devid){
 434                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 435                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 436         }
 437         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 438         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 439 #endif
 440         /* retrieve all sound devices */
 441         build_sound_devices_table(lc);
 442
 443         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 444         linphone_core_set_playback_device(lc,devid);
 445
 446         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 447         linphone_core_set_ringer_device(lc,devid);
 448
 449         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 450         linphone_core_set_capture_device(lc,devid);
 451
 452 /*
 453         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 454         linphone_core_set_play_level(lc,tmp);
 455         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 456         linphone_core_set_ring_level(lc,tmp);
 457         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 458         linphone_core_set_rec_level(lc,tmp);
 459         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 460         linphone_core_set_sound_source(lc,tmpbuf[0]);
 461 */
 462
 463         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 464         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 465         if (ortp_file_exist(tmpbuf)==-1) {
 466                 ms_warning("%s does not exist",tmpbuf);
 467                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 468         }
 469         if (strstr(tmpbuf,".wav")==NULL){
 470                 /* it currently uses old sound files, so replace them */
 471                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 472         }
 473         linphone_core_set_ring(lc,tmpbuf);
 474
 475         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 476         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 477         if (ortp_file_exist(tmpbuf)==-1){
 478                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 479         }
 480         if (strstr(tmpbuf,".wav")==NULL){
 481                 /* it currently uses old sound files, so replace them */
 482                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 483         }
 484         linphone_core_set_ringback(lc,tmpbuf);
 485
 486         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 487         check_sound_device(lc);
 488         lc->sound_conf.latency=0;
 489 #ifndef __ios
 490     tmp=TRUE;
 491 #else
 492     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 493 #endif
 494     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 495         linphone_core_enable_echo_cancellation(lc,tmp);
 496         linphone_core_enable_echo_limiter(lc,
 497                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 498         linphone_core_enable_agc(lc,
 499                 lp_config_get_int(lc->config,"sound","agc",0));
 500
 501         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 502         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 503
 504         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 505
 506         /*just parse requested stream feature once at start to print out eventual errors*/
 507         linphone_core_get_audio_features(lc);
 508 }
 509
 510 static void sip_config_read(LinphoneCore *lc)
 511 {
 512         char *contact;
 513         const char *tmpstr;
 514         LCSipTransports tr;
 515         int i,tmp;
 516         int ipv6;
 517         int random_port;
 518
 519         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 520         linphone_core_set_use_info_for_dtmf(lc,tmp);
 521
 522         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 523                 sal_use_session_timers(lc->sal,200);
 524         }
 525
 526         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 527         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 528         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 529         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 530
 531         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",1);
 532         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 533
 534         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 535         if (ipv6==-1){
 536                 ipv6=0;
 537         }
 538         linphone_core_enable_ipv6(lc,ipv6);
 539         memset(&tr,0,sizeof(tr));
 540
 541         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 542         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 543         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 544
 545         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 546                 random_port=(0xDFFF&random())+1024;
 547         else random_port=0;
 548
 549         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 550                 tr.udp_port=5060;
 551         }
 552
 553         if (tr.udp_port>0 && random_port){
 554                 tr.udp_port=random_port;
 555                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 556         }else if (tr.tcp_port>0 && random_port){
 557                 tr.tcp_port=random_port;
 558                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 559         }else if (tr.tls_port>0 && random_port){
 560                 tr.tls_port=random_port;
 561                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 562         }
 563
 564 #ifdef __linux
 565         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 566 #else
 567         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 568 #endif
 569         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 570         linphone_core_verify_server_cn(lc,lp_config_get_int(lc->config,"sip","verify_server_cn",TRUE));
 571         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
 572         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 573         /*start listening on ports*/
 574         linphone_core_set_sip_transports(lc,&tr);
 575
 576         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 577         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 578                 const char *hostname=NULL;
 579                 const char *username=NULL;
 580 #ifdef HAVE_GETENV
 581                 hostname=getenv("HOST");
 582                 username=getenv("USER");
 583                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 584 #endif /*HAVE_GETENV*/
 585                 if (hostname==NULL)
 586                         hostname="unknown-host";
 587                 if (username==NULL){
 588                         username="toto";
 589                 }
 590                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 591                 linphone_core_set_primary_contact(lc,contact);
 592                 ms_free(contact);
 593         }
 594
 595         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 596         linphone_core_set_guess_hostname(lc,tmp);
 597
 598
 599         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 600         linphone_core_set_inc_timeout(lc,tmp);
 601
 602         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 603         linphone_core_set_in_call_timeout(lc,tmp);
 604
 605         /* get proxies config */
 606         for(i=0;; i++){
 607                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 608                 if (cfg!=NULL){
 609                         linphone_core_add_proxy_config(lc,cfg);
 610                 }else{
 611                         break;
 612                 }
 613         }
 614         /* get the default proxy */
 615         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 616         linphone_core_set_default_proxy_index(lc,tmp);
 617
 618         /* read authentication information */
 619         for(i=0;; i++){
 620                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 621                 if (ai!=NULL){
 622                         linphone_core_add_auth_info(lc,ai);
 623                         linphone_auth_info_destroy(ai);
 624                 }else{
 625                         break;
 626                 }
 627         }
 628         /*this is to filter out unsupported encryption schemes*/
 629         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 630
 631         /*for tuning or test*/
 632         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 633         lc->sip_conf.register_only_when_network_is_up=
 634                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 635         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 636         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 637         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 638         lc->sip_conf.tcp_tls_keepalive=lp_config_get_int(lc->config,"sip","tcp_tls_keepalive",0);
 639         linphone_core_enable_keep_alive(lc, (lc->sip_conf.keepalive_period > 0));
 640         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 641         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 642         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 643 }
 644
 645 static void rtp_config_read(LinphoneCore *lc)
 646 {
 647         int min_port, max_port;
 648         int jitt_comp;
 649         int nortp_timeout;
 650         bool_t rtp_no_xmit_on_audio_mute;
 651         bool_t adaptive_jitt_comp_enabled;
 652
 653         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 654                 if (min_port <= 0) min_port = 1;
 655                 if (max_port > 65535) max_port = 65535;
 656                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 657         } else {
 658                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 659                 linphone_core_set_audio_port(lc, min_port);
 660         }
 661
 662         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 663                 if (min_port <= 0) min_port = 1;
 664                 if (max_port > 65535) max_port = 65535;
 665                 linphone_core_set_video_port_range(lc, min_port, max_port);
 666         } else {
 667                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 668                 linphone_core_set_video_port(lc, min_port);
 669         }
 670
 671         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 672         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 673         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 674         if (jitt_comp==0) jitt_comp=60;
 675         linphone_core_set_video_jittcomp(lc,jitt_comp);
 676         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 677         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 678         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 679         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 680         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 681         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 682         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 683         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 684 }
 685
 686 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 687         PayloadType *candidate=NULL;
 688         int i;
 689         PayloadType *it;
 690         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 691                 it=rtp_profile_get_payload(prof,i);
 692                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 693                         && (clock_rate==it->clock_rate || clock_rate<=0)
 694                         && (channels==it->channels || channels<=0) ){
 695                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 696                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 697                                 /*exact match*/
 698                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 699                                 return it;
 700                         }else {
 701                                 if (candidate){
 702                                         if (it->recv_fmtp==NULL) candidate=it;
 703                                 }else candidate=it;
 704                         }
 705                 }
 706         }
 707         if (candidate && recv_fmtp){
 708                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 709         }
 710         return candidate;
 711 }
 712
 713 static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
 714         char codeckey[50];
 715         const char *mime,*fmtp;
 716         int rate,channels,enabled;
 717         PayloadType *pt;
 718         LpConfig *config=lc->config;
 719
 720         *ret=NULL;
 721         snprintf(codeckey,50,"%s_%i",type,index);
 722         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 723         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 724
 725         rate=lp_config_get_int(config,codeckey,"rate",8000);
 726         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 727         channels=lp_config_get_int(config,codeckey,"channels",0);
 728         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 729         pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
 730         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 731         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 732         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 733                         mime,rate,fmtp ? fmtp : "");
 734         *ret=pt;
 735         return TRUE;
 736 }
 737
 738 #define RANK_END 10000
 739
 740 typedef struct codec_desc{
 741         const char *name;
 742         int rate;
 743 }codec_desc_t;
 744
 745 static codec_desc_t codec_pref_order[]={
 746         {"SILK", 16000},
 747         {"speex", 16000},
 748         {"speex", 8000},
 749         {"pcmu",8000},
 750         {"pcma",8000},
 751         {"VP8",90000},
 752         {"H264",90000},
 753         {"MP4V-ES",90000},
 754         {NULL,0}
 755 };
 756
 757 static int find_codec_rank(const char *mime, int clock_rate){
 758         int i;
 759         for(i=0;codec_pref_order[i].name!=NULL;++i){
 760                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 761                         return i;
 762         }
 763         return RANK_END;
 764 }
 765
 766 static int codec_compare(const PayloadType *a, const PayloadType *b){
 767         int ra,rb;
 768         ra=find_codec_rank(a->mime_type,a->clock_rate);
 769         rb=find_codec_rank(b->mime_type,b->clock_rate);
 770         if (ra>rb) return 1;
 771         if (ra<rb) return -1;
 772         return 0;
 773 }
 774
 775 static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
 776         int i;
 777         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 778                 PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
 779                 if (pt){
 780                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 781                                 pt=NULL;
 782                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 783                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 784                                 pt=NULL;
 785                         }
 786                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 787                                 if (ms_list_find(l,pt)==NULL){
 788                                         /*unranked codecs are disabled by default*/
 789                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 790                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 791                                         }
 792                                         ms_message("Adding new codec %s/%i with fmtp %s",
 793                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 794                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 795                                 }
 796                         }
 797                 }
 798         }
 799         return l;
 800 }
 801
 802 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 803         MSList *elem;
 804         for (elem=l;elem!=NULL;elem=elem->next){
 805                 PayloadType *ept=(PayloadType*)elem->data;
 806                 if (pt==ept)
 807                         return l;
 808         }
 809         l=ms_list_append(l,pt);
 810         return l;
 811 }
 812
 813 static void codecs_config_read(LinphoneCore *lc)
 814 {
 815         int i;
 816         PayloadType *pt;
 817         MSList *audio_codecs=NULL;
 818         MSList *video_codecs=NULL;
 819         for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
 820                 if (pt){
 821                         if (!ms_filter_codec_supported(pt->mime_type)){
 822                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 823                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 824                 }
 825         }
 826         audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
 827         for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
 828                 if (pt){
 829                         if (!ms_filter_codec_supported(pt->mime_type)){
 830                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 831                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 832                 }
 833         }
 834         video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
 835         linphone_core_set_audio_codecs(lc,audio_codecs);
 836         linphone_core_set_video_codecs(lc,video_codecs);
 837         linphone_core_update_allocated_audio_bandwidth(lc);
 838 }
 839
 840 static void build_video_devices_table(LinphoneCore *lc){
 841         const MSList *elem;
 842         int i;
 843         int ndev;
 844         const char **devices;
 845         if (lc->video_conf.cams)
 846                 ms_free(lc->video_conf.cams);
 847         /* retrieve all video devices */
 848         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 849         ndev=ms_list_size(elem);
 850         devices=ms_malloc((ndev+1)*sizeof(const char *));
 851         for (i=0;elem!=NULL;elem=elem->next,i++){
 852                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 853         }
 854         devices[ndev]=NULL;
 855         lc->video_conf.cams=devices;
 856 }
 857
 858 static void video_config_read(LinphoneCore *lc){
 859 #ifdef VIDEO_ENABLED
 860         int capture, display, self_view;
 861 #endif
 862         const char *str;
 863 #ifdef VIDEO_ENABLED
 864         LinphoneVideoPolicy vpol;
 865         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 866 #endif
 867         build_video_devices_table(lc);
 868
 869         str=lp_config_get_string(lc->config,"video","device",NULL);
 870         if (str && str[0]==0) str=NULL;
 871         linphone_core_set_video_device(lc,str);
 872
 873         linphone_core_set_preferred_video_size_by_name(lc,
 874                 lp_config_get_string(lc->config,"video","size","cif"));
 875
 876 #ifdef VIDEO_ENABLED
 877         capture=lp_config_get_int(lc->config,"video","capture",1);
 878         display=lp_config_get_int(lc->config,"video","display",1);
 879         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 880         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 881         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 882         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 883         if(lc->video_conf.displaytype)
 884                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 885
 886         linphone_core_enable_video(lc,capture,display);
 887         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 888         linphone_core_enable_self_view(lc,self_view);
 889         linphone_core_set_video_policy(lc,&vpol);
 890 #endif
 891 }
 892
 893 static void ui_config_read(LinphoneCore *lc)
 894 {
 895         LinphoneFriend *lf;
 896         int i;
 897         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 898                 linphone_core_add_friend(lc,lf);
 899         }
 900         call_logs_read_from_config_file(lc);
 901 }
 902
 903 /*
 904 static void autoreplier_config_init(LinphoneCore *lc)
 905 {
 906         autoreplier_config_t *config=&lc->autoreplier_conf;
 907         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 908         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 909         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 910         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 911         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 912         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 913 }
 914 */
 915
 916 bool_t linphone_core_tunnel_available(void){
 917 #ifdef TUNNEL_ENABLED
 918         return TRUE;
 919 #else
 920         return FALSE;
 921 #endif
 922 }
 923
 924 /**
 925  * Enable adaptive rate control.
 926  *
 927  * @ingroup media_parameters
 928  *
 929  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 930  * control the output bitrate of the audio and video encoders, so that we can adapt to the network conditions and
 931  * available bandwidth. Control of the audio encoder is done in case of audio-only call, and control of the video encoder is done for audio & video calls.
 932  * Adaptive rate control feature is enabled by default.
 933 **/
 934 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 935         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 936 }
 937
 938 /**
 939  * Returns whether adaptive rate control is enabled.
 940  *
 941  * @ingroup media_parameters
 942  *
 943  * See linphone_core_enable_adaptive_rate_control().
 944 **/
 945 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 946         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 947 }
 948
 949 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 950         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 951 }
 952
 953 /**
 954  * Sets maximum available download bandwidth
 955  *
 956  * @ingroup media_parameters
 957  *
 958  * This is IP bandwidth, in kbit/s.
 959  * This information is used signaled to other parties during
 960  * calls (within SDP messages) so that the remote end can have
 961  * sufficient knowledge to properly configure its audio & video
 962  * codec output bitrate to not overflow available bandwidth.
 963  *
 964  * @param lc the LinphoneCore object
 965  * @param bw the bandwidth in kbits/s, 0 for infinite
 966  */
 967 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 968         lc->net_conf.download_bw=bw;
 969         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 970 }
 971
 972 /**
 973  * Sets maximum available upload bandwidth
 974  *
 975  * @ingroup media_parameters
 976  *
 977  * This is IP bandwidth, in kbit/s.
 978  * This information is used by liblinphone together with remote
 979  * side available bandwidth signaled in SDP messages to properly
 980  * configure audio & video codec's output bitrate.
 981  *
 982  * @param lc the LinphoneCore object
 983  * @param bw the bandwidth in kbits/s, 0 for infinite
 984  */
 985 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 986         lc->net_conf.upload_bw=bw;
 987         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 988 }
 989
 990 /**
 991  * Retrieve the maximum available download bandwidth.
 992  *
 993  * @ingroup media_parameters
 994  *
 995  * This value was set by linphone_core_set_download_bandwidth().
 996  *
 997 **/
 998 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 999         return lc->net_conf.download_bw;
1000 }
1001
1002 /**
1003  * Retrieve the maximum available upload bandwidth.
1004  *
1005  * @ingroup media_parameters
1006  *
1007  * This value was set by linphone_core_set_upload_bandwidth().
1008  *
1009 **/
1010 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1011         return lc->net_conf.upload_bw;
1012 }
1013 /**
1014  * Set audio packetization time linphone expects to receive from peer.
1015  * A value of zero means that ptime is not specified.
1016  * @ingroup media_parameters
1017  */
1018 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1019         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1020 }
1021
1022 /**
1023  * Get audio packetization time linphone expects to receive from peer.
1024  * A value of zero means that ptime is not specified.
1025  * @ingroup media_parameters
1026  */
1027 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1028         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1029 }
1030
1031 /**
1032  * Set audio packetization time linphone will send (in absence of requirement from peer)
1033  * A value of 0 stands for the current codec default packetization time.
1034  *
1035  * @ingroup media_parameters
1036 **/
1037 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1038         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1039 }
1040
1041 /**
1042  * Set audio packetization time linphone will send (in absence of requirement from peer)
1043  * A value of 0 stands for the current codec default packetization time.
1044  *
1045  *
1046  * @ingroup media_parameters
1047 **/
1048 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1049         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1050 }
1051
1052
1053
1054 /**
1055  * Returns liblinphone's version as a string.
1056  *
1057  * @ingroup misc
1058  *
1059 **/
1060 const char * linphone_core_get_version(void){
1061         return liblinphone_version;
1062 }
1063
1064 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1065         PayloadType *pt;
1066         pt=payload_type_clone(const_pt);
1067         if (number==-1){
1068                 /*look for a free number */
1069                 MSList *elem;
1070                 int i;
1071                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1072                         bool_t already_assigned=FALSE;
1073                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1074                                 PayloadType *it=(PayloadType*)elem->data;
1075                                 if (payload_type_get_number(it)==i){
1076                                         already_assigned=TRUE;
1077                                         break;
1078                                 }
1079                         }
1080                         if (!already_assigned){
1081                                 number=i;
1082                                 lc->dyn_pt=i+1;
1083                                 break;
1084                         }
1085                 }
1086                 if (number==-1){
1087                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1088                 }
1089         }
1090         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1091         payload_type_set_number(pt,number);
1092         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1093         rtp_profile_set_payload(lc->default_profile,number,pt);
1094         lc->payload_types=ms_list_append(lc->payload_types,pt);
1095 }
1096
1097 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1098         RtpProfile *prof=&av_profile;
1099         int i;
1100         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1101                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1102                 if (pt){
1103                         if (payload_type_get_number(pt)!=i){
1104                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1105                         }
1106                 }
1107         }
1108 }
1109
1110 static void linphone_core_free_payload_types(LinphoneCore *lc){
1111         rtp_profile_clear_all(lc->default_profile);
1112         rtp_profile_destroy(lc->default_profile);
1113         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1114         ms_list_free(lc->payload_types);
1115         lc->payload_types=NULL;
1116 }
1117
1118 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1119         lc->state=gstate;
1120         if (lc->vtable.global_state_changed){
1121                 lc->vtable.global_state_changed(lc,gstate,message);
1122         }
1123 }
1124 static void misc_config_read (LinphoneCore *lc) {
1125         LpConfig *config=lc->config;
1126     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1127     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1128 }
1129
1130
1131
1132
1133 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1134     const char *factory_config_path, void * userdata)
1135 {
1136         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1137         memset (lc, 0, sizeof (LinphoneCore));
1138         lc->data=userdata;
1139         lc->ringstream_autorelease=TRUE;
1140
1141         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1142
1143         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1144         ortp_init();
1145         lc->dyn_pt=96;
1146         lc->default_profile=rtp_profile_new("default profile");
1147         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1148         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1149         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1150         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1151         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1152         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1153         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1154         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1155
1156 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1157         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1158          - to workaround potential packet losses
1159          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1160          */
1161         _linphone_core_configure_resolver();
1162 #endif
1163
1164 #ifdef ENABLE_NONSTANDARD_GSM
1165         {
1166                 PayloadType *pt;
1167                 pt=payload_type_clone(&payload_type_gsm);
1168                 pt->clock_rate=11025;
1169                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1170                 pt->clock_rate=22050;
1171                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1172                 payload_type_destroy(pt);
1173         }
1174 #endif
1175
1176 #ifdef VIDEO_ENABLED
1177         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1178         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1179         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1180         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1181         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1182         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1183         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1184         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1185         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1186 #endif
1187
1188         /*add all payload type for which we don't care about the number */
1189         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1190         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1191         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1192         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1193         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1194         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1195         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1196         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1197         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1198         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1199         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1200         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1201         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1202         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1203         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1204         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1205         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1206         linphone_core_handle_static_payloads(lc);
1207
1208         ms_init();
1209         /* create a mediastreamer2 event queue and set it as global */
1210         /* This allows to run event's callback in linphone_core_iterate() */
1211         lc->msevq=ms_event_queue_new();
1212         ms_set_global_event_queue(lc->msevq);
1213
1214         lc->config=lp_config_new(config_path);
1215         if (factory_config_path)
1216                 lp_config_read_file(lc->config,factory_config_path);
1217
1218         lc->sal=sal_init();
1219         sal_set_user_pointer(lc->sal,lc);
1220         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1221
1222         lc->network_last_check = 0;
1223         lc->network_last_status = FALSE;
1224
1225         sip_setup_register_all();
1226         sound_config_read(lc);
1227         net_config_read(lc);
1228         rtp_config_read(lc);
1229         codecs_config_read(lc);
1230         sip_config_read(lc); /* this will start eXosip*/
1231         video_config_read(lc);
1232         //autoreplier_config_init(&lc->autoreplier_conf);
1233         lc->presence_mode=LinphoneStatusOnline;
1234         misc_config_read(lc);
1235         ui_config_read(lc);
1236 #ifdef TUNNEL_ENABLED
1237         lc->tunnel=linphone_core_tunnel_new(lc);
1238         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1239 #endif
1240         if (lc->vtable.display_status)
1241                 lc->vtable.display_status(lc,_("Ready"));
1242         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1243         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1244 }
1245
1246 /**
1247  * Instanciates a LinphoneCore object.
1248  * @ingroup initializing
1249  *
1250  * The LinphoneCore object is the primary handle for doing all phone actions.
1251  * It should be unique within your application.
1252  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1253  * @param config_path a path to a config file. If it does not exists it will be created.
1254  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1255  *             become persistent over the life of the LinphoneCore object.
1256  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1257  * @param factory_config_path a path to a read-only config file that can be used to
1258  *        to store hard-coded preference such as proxy settings or internal preferences.
1259  *        The settings in this factory file always override the one in the normal config file.
1260  *        It is OPTIONAL, use NULL if unneeded.
1261  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1262  *        callbacks) using linphone_core_get_user_data().
1263  *
1264 **/
1265 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1266                                                 const char *config_path, const char *factory_config_path, void * userdata)
1267 {
1268         LinphoneCore *core=ms_new(LinphoneCore,1);
1269         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1270         return core;
1271 }
1272
1273 /**
1274  * Returns the list of available audio codecs.
1275  *
1276  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1277  * structure holding the codec information.
1278  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1279  * (such as the order of codecs).
1280  * @ingroup media_parameters
1281 **/
1282 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1283 {
1284         return lc->codecs_conf.audio_codecs;
1285 }
1286
1287 /**
1288  * Returns the list of available video codecs.
1289  *
1290  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1291  * structure holding the codec information.
1292  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1293  * (such as the order of codecs).
1294  * @ingroup media_parameters
1295 **/
1296 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1297 {
1298         return lc->codecs_conf.video_codecs;
1299 }
1300
1301 /**
1302  * Sets the local "from" identity.
1303  *
1304  * @ingroup proxies
1305  * This data is used in absence of any proxy configuration or when no
1306  * default proxy configuration is set. See LinphoneProxyConfig
1307 **/
1308 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1309 {
1310         LinphoneAddress *ctt;
1311
1312         if ((ctt=linphone_address_new(contact))==0) {
1313                 ms_error("Bad contact url: %s",contact);
1314                 return -1;
1315         }
1316         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1317         lc->sip_conf.contact=ms_strdup(contact);
1318         if (lc->sip_conf.guessed_contact!=NULL){
1319                 ms_free(lc->sip_conf.guessed_contact);
1320                 lc->sip_conf.guessed_contact=NULL;
1321         }
1322         linphone_address_destroy(ctt);
1323         return 0;
1324 }
1325
1326
1327 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1328 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1329         const char *ip;
1330         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1331             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1332                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1333                 return;
1334         }
1335         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1336                 return;
1337         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1338         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1339 }
1340
1341 static void update_primary_contact(LinphoneCore *lc){
1342         char *guessed=NULL;
1343         char tmp[LINPHONE_IPADDR_SIZE];
1344
1345         LinphoneAddress *url;
1346         if (lc->sip_conf.guessed_contact!=NULL){
1347                 ms_free(lc->sip_conf.guessed_contact);
1348                 lc->sip_conf.guessed_contact=NULL;
1349         }
1350         url=linphone_address_new(lc->sip_conf.contact);
1351         if (!url){
1352                 ms_error("Could not parse identity contact !");
1353                 url=linphone_address_new("sip:unknown@unkwownhost");
1354         }
1355         linphone_core_get_local_ip(lc, NULL, tmp);
1356         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1357                 ms_warning("Local loopback network only !");
1358                 lc->sip_conf.loopback_only=TRUE;
1359         }else lc->sip_conf.loopback_only=FALSE;
1360         linphone_address_set_domain(url,tmp);
1361         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1362         guessed=linphone_address_as_string(url);
1363         lc->sip_conf.guessed_contact=guessed;
1364         linphone_address_destroy(url);
1365 }
1366
1367 /**
1368  * Returns the default identity when no proxy configuration is used.
1369  *
1370  * @ingroup proxies
1371 **/
1372 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1373         char *identity;
1374
1375         if (lc->sip_conf.guess_hostname){
1376                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1377                         update_primary_contact(lc);
1378                 }
1379                 identity=lc->sip_conf.guessed_contact;
1380         }else{
1381                 identity=lc->sip_conf.contact;
1382         }
1383         return identity;
1384 }
1385
1386 /**
1387  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1388  *
1389  * @ingroup proxies
1390 **/
1391 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1392         lc->sip_conf.guess_hostname=val;
1393 }
1394
1395 /**
1396  * Returns TRUE if hostname part of primary contact is guessed automatically.
1397  *
1398  * @ingroup proxies
1399 **/
1400 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1401         return lc->sip_conf.guess_hostname;
1402 }
1403
1404 /**
1405  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1406  * instead of const char*
1407  *
1408  * @ingroup proxies
1409 **/
1410 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1411         return linphone_address_new(linphone_core_get_primary_contact(lc));
1412 }
1413
1414 /**
1415  * Sets the list of audio codecs.
1416  *
1417  * @ingroup media_parameters
1418  * The list is taken by the LinphoneCore thus the application should not free it.
1419  * This list is made of struct PayloadType describing the codec parameters.
1420 **/
1421 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1422 {
1423         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1424         lc->codecs_conf.audio_codecs=codecs;
1425         _linphone_core_codec_config_write(lc);
1426         return 0;
1427 }
1428
1429 /**
1430  * Sets the list of video codecs.
1431  *
1432  * @ingroup media_parameters
1433  * The list is taken by the LinphoneCore thus the application should not free it.
1434  * This list is made of struct PayloadType describing the codec parameters.
1435 **/
1436 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1437 {
1438         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1439         lc->codecs_conf.video_codecs=codecs;
1440         _linphone_core_codec_config_write(lc);
1441         return 0;
1442 }
1443
1444 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1445 {
1446         return lc->friends;
1447 }
1448
1449 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1450 {
1451         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1452 }
1453
1454 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1455 {
1456         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1457 }
1458
1459 /**
1460  * Returns the nominal audio jitter buffer size in milliseconds.
1461  *
1462  * @ingroup media_parameters
1463 **/
1464 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1465 {
1466         return lc->rtp_conf.audio_jitt_comp;
1467 }
1468
1469 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1470 {
1471         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1472 }
1473
1474 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1475 {
1476         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1477 }
1478
1479 /**
1480  * Returns the nominal video jitter buffer size in milliseconds.
1481  *
1482  * @ingroup media_parameters
1483 **/
1484 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1485 {
1486         return lc->rtp_conf.video_jitt_comp;
1487 }
1488
1489 /**
1490  * Returns the UDP port used for audio streaming.
1491  *
1492  * @ingroup network_parameters
1493 **/
1494 int linphone_core_get_audio_port(const LinphoneCore *lc)
1495 {
1496         return lc->rtp_conf.audio_rtp_min_port;
1497 }
1498
1499 /**
1500  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1501  *
1502  * @ingroup network_parameters
1503  */
1504 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1505 {
1506         *min_port = lc->rtp_conf.audio_rtp_min_port;
1507         *max_port = lc->rtp_conf.audio_rtp_max_port;
1508 }
1509
1510 /**
1511  * Returns the UDP port used for video streaming.
1512  *
1513  * @ingroup network_parameters
1514 **/
1515 int linphone_core_get_video_port(const LinphoneCore *lc){
1516         return lc->rtp_conf.video_rtp_min_port;
1517 }
1518
1519 /**
1520  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1521  *
1522  * @ingroup network_parameters
1523  */
1524 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1525 {
1526         *min_port = lc->rtp_conf.video_rtp_min_port;
1527         *max_port = lc->rtp_conf.video_rtp_max_port;
1528 }
1529
1530
1531 /**
1532  * Returns the value in seconds of the no-rtp timeout.
1533  *
1534  * @ingroup media_parameters
1535  * When no RTP or RTCP packets have been received for a while
1536  * LinphoneCore will consider the call is broken (remote end crashed or
1537  * disconnected from the network), and thus will terminate the call.
1538  * The no-rtp timeout is the duration above which the call is considered broken.
1539 **/
1540 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1541         return lc->rtp_conf.nortp_timeout;
1542 }
1543
1544 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1545         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1546 }
1547
1548 /**
1549  * Sets the nominal audio jitter buffer size in milliseconds.
1550  *
1551  * @ingroup media_parameters
1552 **/
1553 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1554 {
1555         lc->rtp_conf.audio_jitt_comp=value;
1556 }
1557
1558 /**
1559  * Sets the nominal video jitter buffer size in milliseconds.
1560  *
1561  * @ingroup media_parameters
1562 **/
1563 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1564 {
1565         lc->rtp_conf.video_jitt_comp=value;
1566 }
1567
1568 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1569         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1570 }
1571
1572 /**
1573  * Sets the UDP port used for audio streaming.
1574  *
1575  * @ingroup network_parameters
1576 **/
1577 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1578 {
1579         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1580 }
1581
1582 /**
1583  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1584  * @ingroup media_parameters
1585  */
1586 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1587 {
1588         lc->rtp_conf.audio_rtp_min_port=min_port;
1589         lc->rtp_conf.audio_rtp_max_port=max_port;
1590 }
1591
1592 /**
1593  * Sets the UDP port used for video streaming.
1594  *
1595  * @ingroup network_parameters
1596 **/
1597 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1598         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1599 }
1600
1601 /**
1602  * Sets the UDP port range from which to randomly select the port used for video streaming.
1603  * @ingroup media_parameters
1604  */
1605 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1606 {
1607         lc->rtp_conf.video_rtp_min_port=min_port;
1608         lc->rtp_conf.video_rtp_max_port=max_port;
1609 }
1610
1611 /**
1612  * Sets the no-rtp timeout value in seconds.
1613  *
1614  * @ingroup media_parameters
1615  * See linphone_core_get_nortp_timeout() for details.
1616 **/
1617 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1618         lc->rtp_conf.nortp_timeout=nortp_timeout;
1619 }
1620
1621 /**
1622  * Indicates whether SIP INFO is used for sending digits.
1623  *
1624  * @ingroup media_parameters
1625 **/
1626 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1627 {
1628         return lc->sip_conf.use_info;
1629 }
1630
1631 /**
1632  * Sets whether SIP INFO is to be used for sending digits.
1633  *
1634  * @ingroup media_parameters
1635 **/
1636 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1637 {
1638         lc->sip_conf.use_info=use_info;
1639 }
1640
1641 /**
1642  * Indicates whether RFC2833 is used for sending digits.
1643  *
1644  * @ingroup media_parameters
1645 **/
1646 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1647 {
1648         return lc->sip_conf.use_rfc2833;
1649 }
1650
1651 /**
1652  * Sets whether RFC2833 is to be used for sending digits.
1653  *
1654  * @ingroup media_parameters
1655 **/
1656 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1657 {
1658         lc->sip_conf.use_rfc2833=use_rfc2833;
1659 }
1660
1661 /**
1662  * Returns the UDP port used by SIP.
1663  *
1664  * Deprecated: use linphone_core_get_sip_transports() instead.
1665  * @ingroup network_parameters
1666 **/
1667 int linphone_core_get_sip_port(LinphoneCore *lc)
1668 {
1669         LCSipTransports *tr=&lc->sip_conf.transports;
1670         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1671 }
1672
1673 static char _ua_name[64]="Linphone";
1674 static char _ua_version[64]=LINPHONE_VERSION;
1675
1676 #ifdef HAVE_EXOSIP_GET_VERSION
1677 extern const char *eXosip_get_version();
1678 #endif
1679
1680 static void apply_user_agent(LinphoneCore *lc){
1681         char ua_string[256];
1682         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1683 #ifdef HAVE_EXOSIP_GET_VERSION
1684                  eXosip_get_version()
1685 #else
1686                  "unknown"
1687 #endif
1688         );
1689         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1690 }
1691
1692 /**
1693  * Sets the user agent string used in SIP messages.
1694  *
1695  * @ingroup misc
1696 **/
1697 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1698         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1699         strncpy(_ua_version,ver,sizeof(_ua_version));
1700         apply_user_agent(lc);
1701 }
1702
1703 const char *linphone_core_get_user_agent_name(void){
1704         return _ua_name;
1705 }
1706
1707 const char *linphone_core_get_user_agent_version(void){
1708         return _ua_version;
1709 }
1710
1711 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1712         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1713         ms_warning("%s",msg);
1714         if (lc->vtable.display_warning)
1715                 lc->vtable.display_warning(lc,msg);
1716         ms_free(msg);
1717 }
1718
1719 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1720         return
1721                 tr2->udp_port==tr1->udp_port &&
1722                 tr2->tcp_port==tr1->tcp_port &&
1723                 tr2->dtls_port==tr1->dtls_port &&
1724                 tr2->tls_port==tr1->tls_port;
1725 }
1726
1727 static int apply_transports(LinphoneCore *lc){
1728         Sal *sal=lc->sal;
1729         const char *anyaddr;
1730         LCSipTransports *tr=&lc->sip_conf.transports;
1731
1732         /*first of all invalidate all current registrations so that we can register again with new transports*/
1733         __linphone_core_invalidate_registers(lc);
1734
1735         if (lc->sip_conf.ipv6_enabled)
1736                 anyaddr="::0";
1737         else
1738                 anyaddr="0.0.0.0";
1739
1740         sal_unlisten_ports(sal);
1741         if (tr->udp_port>0){
1742                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1743                         transport_error(lc,"udp",tr->udp_port);
1744                         return -1;
1745                 }
1746         }
1747         if (tr->tcp_port>0){
1748                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1749                         transport_error(lc,"tcp",tr->tcp_port);
1750                 }
1751         }
1752         if (tr->tls_port>0){
1753                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1754                         transport_error(lc,"tls",tr->tls_port);
1755                 }
1756         }
1757         apply_user_agent(lc);
1758         return 0;
1759 }
1760
1761 /**
1762  * Sets the ports to be used for each of transport (UDP or TCP)
1763  *
1764  * A zero value port for a given transport means the transport
1765  * is not used.
1766  *
1767  * @ingroup network_parameters
1768 **/
1769 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1770
1771         if (transports_unchanged(tr,&lc->sip_conf.transports))
1772                 return 0;
1773         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1774
1775         if (linphone_core_ready(lc)){
1776                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1777                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1778                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1779         }
1780
1781         if (lc->sal==NULL) return 0;
1782         return apply_transports(lc);
1783 }
1784
1785 /**
1786  * Retrieves the ports used for each transport (udp, tcp).
1787  * A zero value port for a given transport means the transport
1788  * is not used.
1789  * @ingroup network_parameters
1790 **/
1791 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1792         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1793         return 0;
1794 }
1795
1796 /**
1797  * Sets the UDP port to be used by SIP.
1798  *
1799  * Deprecated: use linphone_core_set_sip_transports() instead.
1800  * @ingroup network_parameters
1801 **/
1802 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1803 {
1804         LCSipTransports tr;
1805         memset(&tr,0,sizeof(tr));
1806         tr.udp_port=port;
1807         linphone_core_set_sip_transports (lc,&tr);
1808 }
1809
1810 /**
1811  * Returns TRUE if IPv6 is enabled.
1812  *
1813  * @ingroup network_parameters
1814  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1815 **/
1816 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1817         return lc->sip_conf.ipv6_enabled;
1818 }
1819
1820 /**
1821  * Turns IPv6 support on or off.
1822  *
1823  * @ingroup network_parameters
1824  *
1825  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1826  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1827  * By default IPv6 support is off.
1828 **/
1829 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1830         if (lc->sip_conf.ipv6_enabled!=val){
1831                 lc->sip_conf.ipv6_enabled=val;
1832                 if (lc->sal){
1833                         /* we need to restart eXosip */
1834                         apply_transports(lc);
1835                 }
1836         }
1837 }
1838
1839
1840 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1841         char result[LINPHONE_IPADDR_SIZE];
1842         bool_t new_status=lc->network_last_status;
1843
1844         /* only do the network up checking every five seconds */
1845         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1846                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1847                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1848                         new_status=TRUE;
1849                 }else new_status=FALSE;
1850                 lc->network_last_check=curtime;
1851                 if (new_status!=lc->network_last_status) {
1852                         if (new_status){
1853                                 ms_message("New local ip address is %s",result);
1854                         }
1855                         set_network_reachable(lc,new_status, curtime);
1856                         lc->network_last_status=new_status;
1857                 }
1858         }
1859 }
1860
1861 static void proxy_update(LinphoneCore *lc){
1862         MSList *elem,*next;
1863         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1864         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1865                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1866                 next=elem->next;
1867                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1868                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1869                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1870                         linphone_proxy_config_destroy(cfg);
1871                 }
1872         }
1873 }
1874
1875 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1876         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1877         if (lf!=NULL){
1878                 lf->info=info;
1879                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1880                 if (lc->vtable.buddy_info_updated)
1881                         lc->vtable.buddy_info_updated(lc,lf);
1882         }else{
1883                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1884         }
1885 }
1886
1887 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1888         MSList *elem;
1889         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1890         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1891                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1892                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1893                         if (req->results!=NULL){
1894                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1895                                 ms_list_free(req->results);
1896                                 req->results=NULL;
1897                                 assign_buddy_info(lc,i);
1898                         }
1899                         sip_setup_context_buddy_lookup_free(ctx,req);
1900                         elem->data=NULL;
1901                 }
1902         }
1903         /*purge completed requests */
1904         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1905                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1906         }
1907 }
1908
1909 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1910         const MSList *elem;
1911         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1912         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1913                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1914                 if (lf->info==NULL){
1915                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1916                                 if (linphone_address_get_username(lf->uri)!=NULL){
1917                                         BuddyLookupRequest *req;
1918                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1919                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1920                                         buddy_lookup_request_set_key(req,tmp);
1921                                         buddy_lookup_request_set_max_results(req,1);
1922                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1923                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1924                                         ms_free(tmp);
1925                                 }
1926                         }
1927                 }
1928         }
1929 }
1930
1931 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1932         LinphoneProxyConfig *cfg=NULL;
1933         linphone_core_get_default_proxy(lc,&cfg);
1934         if (cfg){
1935                 if (lc->bl_refresh){
1936                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1937                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1938                                 linphone_core_grab_buddy_infos(lc,cfg);
1939                                 lc->bl_refresh=FALSE;
1940                         }
1941                 }
1942                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1943         }
1944 }
1945
1946 /**
1947  * Main loop function. It is crucial that your application call it periodically.
1948  *
1949  * @ingroup initializing
1950  * linphone_core_iterate() performs various backgrounds tasks:
1951  * - receiving of SIP messages
1952  * - handles timers and timeout
1953  * - performs registration to proxies
1954  * - authentication retries
1955  * The application MUST call this function periodically, in its main loop.
1956  * Be careful that this function must be called from the same thread as
1957  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1958  * serialized with a mutex.
1959 **/
1960 void linphone_core_iterate(LinphoneCore *lc){
1961         MSList *calls;
1962         LinphoneCall *call;
1963         time_t curtime=time(NULL);
1964         int elapsed;
1965         bool_t one_second_elapsed=FALSE;
1966
1967         if (curtime-lc->prevtime>=1){
1968                 lc->prevtime=curtime;
1969                 one_second_elapsed=TRUE;
1970         }
1971
1972         if (lc->ecc!=NULL){
1973                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1974                 if (ecs!=LinphoneEcCalibratorInProgress){
1975                         if (lc->ecc->cb)
1976                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1977                         if (ecs==LinphoneEcCalibratorDone){
1978                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1979                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1980                         } else if (ecs == LinphoneEcCalibratorFailed) {
1981                                 lp_config_set_int(lc->config, "sound", "ec_delay", LP_CONFIG_DEFAULT_INT(lc->config, "ec_delay", 250));
1982                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
1983                                 linphone_core_enable_echo_cancellation(lc, FALSE);
1984                         }
1985                         ec_calibrator_destroy(lc->ecc);
1986                         lc->ecc=NULL;
1987                 }
1988         }
1989
1990         if (lc->preview_finished){
1991                 lc->preview_finished=0;
1992                 ring_stop(lc->ringstream);
1993                 lc->ringstream=NULL;
1994                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1995         }
1996
1997         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1998             && (curtime-lc->dmfs_playing_start_time)>5){
1999                 ring_stop(lc->ringstream);
2000                 lc->ringstream=NULL;
2001                 lc->dmfs_playing_start_time=0;
2002         }
2003
2004         sal_iterate(lc->sal);
2005         if (lc->msevq) ms_event_queue_pump(lc->msevq);
2006         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
2007
2008         proxy_update(lc);
2009
2010         //we have to iterate for each call
2011         calls= lc->calls;
2012         while(calls!= NULL){
2013                 call = (LinphoneCall *)calls->data;
2014                 elapsed = curtime-call->start_time;
2015                  /* get immediately a reference to next one in case the one
2016                  we are going to examine is destroy and removed during
2017                  linphone_core_start_invite() */
2018                 calls=calls->next;
2019                 linphone_call_background_tasks(call,one_second_elapsed);
2020                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
2021                         /*start the call even if the OPTIONS reply did not arrive*/
2022                         if (call->ice_session != NULL) {
2023                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2024                                                 ,linphone_core_get_stun_server(lc));
2025                                 linphone_call_delete_ice_session(call);
2026                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2027                         }
2028                         linphone_core_start_invite(lc,call);
2029                 }
2030                 if (call->state==LinphoneCallIncomingReceived){
2031                         ms_message("incoming call ringing for %i seconds",elapsed);
2032                         if (elapsed>lc->sip_conf.inc_timeout){
2033                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2034                                 call->log->status=LinphoneCallMissed;
2035                                 call->reason=LinphoneReasonNotAnswered;
2036                                 linphone_core_terminate_call(lc,call);
2037                         }
2038                 }
2039                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2040                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2041                         linphone_core_terminate_call(lc,call);
2042                 }
2043         }
2044
2045         if (linphone_core_video_preview_enabled(lc)){
2046                 if (lc->previewstream==NULL && lc->calls==NULL)
2047                         toggle_video_preview(lc,TRUE);
2048 #ifdef VIDEO_ENABLED
2049                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2050 #endif
2051         }else{
2052                 if (lc->previewstream!=NULL)
2053                         toggle_video_preview(lc,FALSE);
2054         }
2055
2056         linphone_core_run_hooks(lc);
2057         linphone_core_do_plugin_tasks(lc);
2058
2059         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2060             (curtime-lc->netup_time)>3){
2061                 linphone_core_send_initial_subscribes(lc);
2062                 lc->initial_subscribes_sent=TRUE;
2063         }
2064
2065         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2066                 lp_config_sync(lc->config);
2067         }
2068 }
2069
2070 /**
2071  * Interpret a call destination as supplied by the user, and returns a fully qualified
2072  * LinphoneAddress.
2073  *
2074  * @ingroup call_control
2075  *
2076  * A sip address should look like DisplayName <sip:username@domain:port> .
2077  * Basically this function performs the following tasks
2078  * - if a phone number is entered, prepend country prefix of the default proxy
2079  *   configuration, eventually escape the '+' by 00.
2080  * - if no domain part is supplied, append the domain name of the default proxy
2081  * - if no sip: is present, prepend it
2082  *
2083  * The result is a syntaxically correct SIP address.
2084 **/
2085
2086 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2087         enum_lookup_res_t *enumres=NULL;
2088         char *enum_domain=NULL;
2089         LinphoneProxyConfig *proxy=lc->default_proxy;;
2090         char *tmpurl;
2091         LinphoneAddress *uri;
2092
2093         if (is_enum(url,&enum_domain)){
2094                 if (lc->vtable.display_status!=NULL)
2095                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2096                 if (enum_lookup(enum_domain,&enumres)<0){
2097                         if (lc->vtable.display_status!=NULL)
2098                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2099                         ms_free(enum_domain);
2100                         return NULL;
2101                 }
2102                 ms_free(enum_domain);
2103                 tmpurl=enumres->sip_address[0];
2104                 uri=linphone_address_new(tmpurl);
2105                 enum_lookup_res_free(enumres);
2106                 return uri;
2107         }
2108         /* check if we have a "sip:" */
2109         if (strstr(url,"sip:")==NULL){
2110                 /* this doesn't look like a true sip uri */
2111                 if (strchr(url,'@')!=NULL){
2112                         /* seems like sip: is missing !*/
2113                         tmpurl=ms_strdup_printf("sip:%s",url);
2114                         uri=linphone_address_new(tmpurl);
2115                         ms_free(tmpurl);
2116                         if (uri){
2117                                 return uri;
2118                         }
2119                 }
2120
2121                 if (proxy!=NULL){
2122                         /* append the proxy domain suffix */
2123                         const char *identity=linphone_proxy_config_get_identity(proxy);
2124                         char normalized_username[128];
2125                         uri=linphone_address_new(identity);
2126                         if (uri==NULL){
2127                                 return NULL;
2128                         }
2129                         linphone_address_set_display_name(uri,NULL);
2130                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2131                                                                 sizeof(normalized_username));
2132                         linphone_address_set_username(uri,normalized_username);
2133                         return uri;
2134                 }else return NULL;
2135         }
2136         uri=linphone_address_new(url);
2137         if (uri!=NULL){
2138                 return uri;
2139         }
2140         /* else we could not do anything with url given by user, so display an error */
2141         if (lc->vtable.display_warning!=NULL){
2142                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2143         }
2144         return NULL;
2145 }
2146
2147 /**
2148  * Returns the default identity SIP address.
2149  *
2150  * @ingroup proxies
2151  * This is an helper function:
2152  *
2153  * If no default proxy is set, this will return the primary contact (
2154  * see linphone_core_get_primary_contact() ). If a default proxy is set
2155  * it returns the registered identity on the proxy.
2156 **/
2157 const char * linphone_core_get_identity(LinphoneCore *lc){
2158         LinphoneProxyConfig *proxy=NULL;
2159         const char *from;
2160         linphone_core_get_default_proxy(lc,&proxy);
2161         if (proxy!=NULL) {
2162                 from=linphone_proxy_config_get_identity(proxy);
2163         }else from=linphone_core_get_primary_contact(lc);
2164         return from;
2165 }
2166
2167 const char * linphone_core_get_route(LinphoneCore *lc){
2168         LinphoneProxyConfig *proxy=NULL;
2169         const char *route=NULL;
2170         linphone_core_get_default_proxy(lc,&proxy);
2171         if (proxy!=NULL) {
2172                 route=linphone_proxy_config_get_route(proxy);
2173         }
2174         return route;
2175 }
2176
2177 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2178         if (call->refer_pending){
2179                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2180                 LinphoneCall *newcall;
2181                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2182                 cp->referer=call;
2183                 ms_message("Starting new call to refered address %s",call->refer_to);
2184                 call->refer_pending=FALSE;
2185                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2186                 linphone_call_params_destroy(cp);
2187                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2188         }
2189 }
2190
2191 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2192         if (referer->op!=NULL){
2193                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2194         }
2195 }
2196
2197 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2198         const MSList *elem;
2199         LinphoneProxyConfig *found_cfg=NULL;
2200         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2201
2202         /*always prefer the default proxy if it is matching the destination uri*/
2203         if (default_cfg){
2204                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2205                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2206                         return default_cfg;
2207         }
2208
2209         /*otherwise iterate through the other proxy config and return the first matching*/
2210         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2211                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2212                 const char *domain=linphone_proxy_config_get_domain(cfg);
2213                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2214                         found_cfg=cfg;
2215                         break;
2216                 }
2217         }
2218         return found_cfg;
2219 }
2220
2221 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2222         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2223         if (cfg==NULL)
2224                 linphone_core_get_default_proxy (lc,&cfg);
2225         if (cfg!=NULL){
2226                 if (route) *route=linphone_proxy_config_get_route(cfg);
2227                 return linphone_proxy_config_get_identity (cfg);
2228         }
2229         return linphone_core_get_primary_contact (lc);
2230 }
2231
2232 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2233         LinphoneAddress *ctt;
2234         const char *localip=call->localip;
2235
2236         /* first use user's supplied ip address if asked*/
2237         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2238                 ctt=linphone_core_get_primary_contact_parsed(lc);
2239                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2240                         linphone_core_get_nat_address_resolved(lc));
2241         }
2242
2243         /* if already choosed, don't change it */
2244         if (call->op && sal_op_get_contact(call->op)!=NULL){
2245                 return NULL;
2246         }
2247         /* if the ping OPTIONS request succeeded use the contact guessed from the
2248          received, rport*/
2249         if (call->ping_op){
2250                 const char *guessed=sal_op_get_contact(call->ping_op);
2251                 if (guessed){
2252                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2253                         return ms_strdup(guessed);
2254                 }
2255         }
2256
2257         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2258         if (dest_proxy && dest_proxy->op){
2259                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2260                 if (fixed_contact) {
2261                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2262                         return ms_strdup(fixed_contact);
2263                 }
2264         }
2265
2266         ctt=linphone_core_get_primary_contact_parsed(lc);
2267
2268         if (ctt!=NULL){
2269                 char *ret;
2270                 /*otherwise use supllied localip*/
2271                 linphone_address_set_domain(ctt,localip);
2272                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2273                 ret=linphone_address_as_string_uri_only(ctt);
2274                 linphone_address_destroy(ctt);
2275                 ms_message("Contact has been fixed using local ip to %s",ret);
2276                 return ret;
2277         }
2278         return NULL;
2279 }
2280
2281 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2282         bool_t ice_ready = FALSE;
2283         bool_t ping_ready = FALSE;
2284
2285         if (call->ice_session != NULL) {
2286                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2287         } else {
2288                 ice_ready = TRUE;
2289         }
2290         if (call->ping_op != NULL) {
2291                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2292         } else {
2293                 ping_ready = TRUE;
2294         }
2295
2296         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2297                 return linphone_core_start_invite(lc, call);
2298         }
2299         return 0;
2300 }
2301
2302 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2303         int err;
2304         char *contact;
2305         char *real_url,*barmsg;
2306         char *from;
2307         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2308
2309         /*try to be best-effort in giving real local or routable contact address */
2310         contact=get_fixed_contact(lc,call,dest_proxy);
2311         if (contact){
2312                 sal_op_set_contact(call->op, contact);
2313                 ms_free(contact);
2314         }
2315         linphone_core_stop_dtmf_stream(lc);
2316         linphone_call_init_media_streams(call);
2317         if (lc->ringstream==NULL)
2318                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2319         linphone_call_make_local_media_description(lc,call);
2320         if (!lc->sip_conf.sdp_200_ack){
2321                 call->media_pending=TRUE;
2322                 sal_call_set_local_media_description(call->op,call->localdesc);
2323         }
2324         real_url=linphone_address_as_string(call->log->to);
2325         from=linphone_address_as_string(call->log->from);
2326         err=sal_call(call->op,from,real_url);
2327         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2328
2329         if (lc->sip_conf.sdp_200_ack){
2330                 call->media_pending=TRUE;
2331                 sal_call_set_local_media_description(call->op,call->localdesc);
2332         }
2333         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2334         if (lc->vtable.display_status!=NULL)
2335                 lc->vtable.display_status(lc,barmsg);
2336         ms_free(barmsg);
2337
2338         if (err<0){
2339                 if (lc->vtable.display_status!=NULL)
2340                         lc->vtable.display_status(lc,_("Could not call"));
2341                 linphone_call_stop_media_streams(call);
2342                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2343         }else {
2344                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2345         }
2346         ms_free(real_url);
2347         ms_free(from);
2348         return err;
2349 }
2350
2351 /**
2352  * Initiates an outgoing call
2353  *
2354  * @ingroup call_control
2355  * @param lc the LinphoneCore object
2356  * @param url the destination of the call (sip address, or phone number).
2357  *
2358  * The application doesn't own a reference to the returned LinphoneCall object.
2359  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2360  *
2361  * @return a LinphoneCall object or NULL in case of failure
2362 **/
2363 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2364         LinphoneCall *call;
2365         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2366         p->has_video &= !!lc->video_policy.automatically_initiate;
2367         call=linphone_core_invite_with_params(lc,url,p);
2368         linphone_call_params_destroy(p);
2369         return call;
2370 }
2371
2372
2373 /**
2374  * Initiates an outgoing call according to supplied call parameters
2375  *
2376  * @ingroup call_control
2377  * @param lc the LinphoneCore object
2378  * @param url the destination of the call (sip address, or phone number).
2379  * @param p call parameters
2380  *
2381  * The application doesn't own a reference to the returned LinphoneCall object.
2382  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2383  *
2384  * @return a LinphoneCall object or NULL in case of failure
2385 **/
2386 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2387         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2388         if (addr){
2389                 LinphoneCall *call;
2390                 call=linphone_core_invite_address_with_params(lc,addr,p);
2391                 linphone_address_destroy(addr);
2392                 return call;
2393         }
2394         return NULL;
2395 }
2396
2397 /**
2398  * Initiates an outgoing call given a destination LinphoneAddress
2399  *
2400  * @ingroup call_control
2401  * @param lc the LinphoneCore object
2402  * @param addr the destination of the call (sip address).
2403  *
2404  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2405  * created by linphone_core_interpret_url().
2406  * The application doesn't own a reference to the returned LinphoneCall object.
2407  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2408  *
2409  * @return a LinphoneCall object or NULL in case of failure
2410 **/
2411 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2412         LinphoneCall *call;
2413         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2414         p->has_video &= !!lc->video_policy.automatically_initiate;
2415         call=linphone_core_invite_address_with_params (lc,addr,p);
2416         linphone_call_params_destroy(p);
2417         return call;
2418 }
2419
2420
2421 /**
2422  * Initiates an outgoing call given a destination LinphoneAddress
2423  *
2424  * @ingroup call_control
2425  * @param lc the LinphoneCore object
2426  * @param addr the destination of the call (sip address).
2427         @param params call parameters
2428  *
2429  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2430  * created by linphone_core_interpret_url().
2431  * The application doesn't own a reference to the returned LinphoneCall object.
2432  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2433  *
2434  * @return a LinphoneCall object or NULL in case of failure
2435 **/
2436 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2437 {
2438         const char *route=NULL;
2439         const char *from=NULL;
2440         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2441         LinphoneAddress *parsed_url2=NULL;
2442         char *real_url=NULL;
2443         LinphoneCall *call;
2444         bool_t use_ice = FALSE;
2445
2446         linphone_core_preempt_sound_resources(lc);
2447
2448         if(!linphone_core_can_we_add_call(lc)){
2449                 if (lc->vtable.display_warning)
2450                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2451                 return NULL;
2452         }
2453         linphone_core_get_default_proxy(lc,&proxy);
2454         route=linphone_core_get_route(lc);
2455
2456         real_url=linphone_address_as_string(addr);
2457         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2458
2459         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2460                 ms_message("Overriding default proxy setting for this call:");
2461                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2462         }
2463
2464         if (dest_proxy!=NULL)
2465                 from=linphone_proxy_config_get_identity(dest_proxy);
2466         else if (proxy!=NULL)
2467                 from=linphone_proxy_config_get_identity(proxy);
2468
2469         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2470         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2471
2472         parsed_url2=linphone_address_new(from);
2473
2474         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2475         call->dest_proxy=dest_proxy;
2476         sal_op_set_route(call->op,route);
2477
2478         if(linphone_core_add_call(lc,call)!= 0)
2479         {
2480                 ms_warning("we had a problem in adding the call into the invite ... weird");
2481                 linphone_call_unref(call);
2482                 return NULL;
2483         }
2484         /* this call becomes now the current one*/
2485         lc->current_call=call;
2486         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2487         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2488                 /* Defer the start of the call after the ICE gathering process. */
2489                 linphone_call_init_media_streams(call);
2490                 linphone_call_start_media_streams_for_ice_gathering(call);
2491                 call->start_time=time(NULL);
2492                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2493                         /* Ice candidates gathering failed, proceed with the call anyway. */
2494                         linphone_call_delete_ice_session(call);
2495                         linphone_call_stop_media_streams_for_ice_gathering(call);
2496                 } else {
2497                         use_ice = TRUE;
2498                 }
2499         }
2500
2501         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2502                 /*defer the start of the call after the OPTIONS ping*/
2503                 call->ping_replied=FALSE;
2504                 call->ping_op=sal_op_new(lc->sal);
2505                 sal_ping(call->ping_op,from,real_url);
2506                 sal_op_set_user_pointer(call->ping_op,call);
2507                 call->start_time=time(NULL);
2508         }else{
2509                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2510         }
2511
2512         if (real_url!=NULL) ms_free(real_url);
2513         return call;
2514 }
2515
2516 /**
2517  * Performs a simple call transfer to the specified destination.
2518  *
2519  * @ingroup call_control
2520  * The remote endpoint is expected to issue a new call to the specified destination.
2521  * The current call remains active and thus can be later paused or terminated.
2522 **/
2523 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2524 {
2525         char *real_url=NULL;
2526         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2527
2528         if (!real_parsed_url){
2529                 /* bad url */
2530                 return -1;
2531         }
2532         if (call==NULL){
2533                 ms_warning("No established call to refer.");
2534                 return -1;
2535         }
2536         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2537         real_url=linphone_address_as_string (real_parsed_url);
2538         sal_call_refer(call->op,real_url);
2539         ms_free(real_url);
2540         linphone_address_destroy(real_parsed_url);
2541         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2542         return 0;
2543 }
2544
2545 /**
2546  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2547  * @param lc linphone core object
2548  * @param call a running call you want to transfer
2549  * @param dest a running call whose remote person will receive the transfer
2550  *
2551  * @ingroup call_control
2552  *
2553  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2554  * The destination call is a call previously established to introduce the transfered person.
2555  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2556  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2557  * close the call with us (the 'dest' call).
2558 **/
2559 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2560         int result = sal_call_refer_with_replaces (call->op,dest->op);
2561         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2562         return result;
2563 }
2564
2565 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2566         LinphoneCall *call = linphone_core_get_current_call(lc);
2567         if(call != NULL)
2568         {
2569                 if(call->dir==LinphoneCallIncoming
2570                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2571                         return TRUE;
2572         }
2573         return FALSE;
2574 }
2575
2576 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md){
2577         if (linphone_core_is_media_encryption_mandatory(lc) && linphone_core_get_media_encryption(lc)==LinphoneMediaEncryptionSRTP){
2578                 int i;
2579                 for(i=0;i<md->nstreams;i++){
2580                         SalStreamDescription *sd=&md->streams[i];
2581                         if (sd->proto!=SalProtoRtpSavp){
2582                                 return TRUE;
2583                         }
2584                 }
2585         }
2586         return FALSE;
2587 }
2588
2589 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2590         char *barmesg;
2591         char *tmp;
2592         LinphoneAddress *from_parsed;
2593         SalMediaDescription *md;
2594         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2595         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2596
2597         linphone_call_make_local_media_description(lc,call);
2598         sal_call_set_local_media_description(call->op,call->localdesc);
2599         md=sal_call_get_final_media_description(call->op);
2600         if (md){
2601                 if (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md)){
2602                         sal_call_decline(call->op,SalReasonMedia,NULL);
2603                         linphone_call_unref(call);
2604                         return;
2605                 }
2606         }
2607
2608         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2609         linphone_address_clean(from_parsed);
2610         tmp=linphone_address_as_string(from_parsed);
2611         linphone_address_destroy(from_parsed);
2612         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2613             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2614         if (lc->vtable.show) lc->vtable.show(lc);
2615         if (lc->vtable.display_status)
2616             lc->vtable.display_status(lc,barmesg);
2617
2618         /* play the ring if this is the only call*/
2619         if (ms_list_size(lc->calls)==1){
2620                 lc->current_call=call;
2621                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2622                         ring_stop(lc->ringstream);
2623                         lc->ringstream=NULL;
2624                         lc->dmfs_playing_start_time=0;
2625                 }
2626                 if (lc->sound_conf.ring_sndcard!=NULL){
2627                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2628                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2629                                 ms_message("Starting local ring...");
2630                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2631                         }
2632                         else
2633                         {
2634                                 ms_message("the local ring is already started");
2635                         }
2636                 }
2637         }else{
2638                 /* else play a tone within the context of the current call */
2639                 call->ringing_beep=TRUE;
2640                 linphone_core_play_tone(lc);
2641         }
2642
2643         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2644
2645         if (call->state==LinphoneCallIncomingReceived){
2646                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2647
2648                 if (propose_early_media || ringback_tone!=NULL){
2649                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2650                         md=sal_call_get_final_media_description(call->op);
2651                         linphone_core_update_streams(lc,call,md);
2652                 }
2653                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2654                         linphone_core_accept_call(lc,call);
2655                 }
2656         }
2657         linphone_call_unref(call);
2658
2659         ms_free(barmesg);
2660         ms_free(tmp);
2661 }
2662
2663 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2664         const char *subject;
2665         call->camera_active=call->params.has_video;
2666         if (call->ice_session != NULL)
2667                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2668
2669         if (call->params.in_conference){
2670                 subject="Conference";
2671         }else{
2672                 subject="Media change";
2673         }
2674         if (lc->vtable.display_status)
2675                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2676         sal_call_set_local_media_description (call->op,call->localdesc);
2677         return sal_call_update(call->op,subject);
2678 }
2679
2680 /**
2681  * @ingroup call_control
2682  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2683  *
2684  * In this version this is limited to the following use cases:
2685  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2686  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2687  *
2688  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2689  * @param lc the core
2690  * @param call the call to be updated
2691  * @param params the new call parameters to use. (may be NULL)
2692  * @return 0 if successful, -1 otherwise.
2693 **/
2694 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2695         int err=0;
2696         if (params!=NULL){
2697                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2698 #ifdef VIDEO_ENABLED
2699                 bool_t has_video = call->params.has_video;
2700                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2701                         ice_session_remove_check_list(call->ice_session, call->videostream->ms.ice_check_list);
2702                         call->videostream->ms.ice_check_list = NULL;
2703                 }
2704                 call->params = *params;
2705                 linphone_call_make_local_media_description(lc, call);
2706                 if ((call->ice_session != NULL) && !has_video && call->params.has_video) {
2707                         /* Defer call update until the ICE candidates gathering process has finished. */
2708                         ms_message("Defer call update to gather ICE candidates");
2709                         linphone_call_init_video_stream(call);
2710                         video_stream_prepare_video(call->videostream);
2711                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2712                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2713                                 linphone_call_delete_ice_session(call);
2714                         } else return err;
2715                 }
2716 #endif
2717                 err = linphone_core_start_update_call(lc, call);
2718         }else{
2719 #ifdef VIDEO_ENABLED
2720                 if (call->videostream!=NULL){
2721                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2722                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2723                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2724                         }else video_stream_update_video_params(call->videostream);
2725                 }
2726 #endif
2727         }
2728
2729         return err;
2730 }
2731
2732 /**
2733  * @ingroup call_control
2734  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2735  *
2736  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2737  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2738  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2739  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2740  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2741  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2742  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2743  *
2744  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2745 **/
2746 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2747         if (call->state==LinphoneCallUpdatedByRemote){
2748                 call->defer_update=TRUE;
2749                 return 0;
2750         }
2751         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2752         return -1;
2753 }
2754
2755 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2756         SalMediaDescription *md;
2757         if (call->ice_session != NULL) {
2758                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2759                         /* Defer the sending of the answer until there are no losing pairs left. */
2760                         return 0;
2761                 }
2762                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2763         }
2764         linphone_call_update_remote_session_id_and_ver(call);
2765         sal_call_set_local_media_description(call->op,call->localdesc);
2766         sal_call_accept(call->op);
2767         md=sal_call_get_final_media_description(call->op);
2768         if (md && !sal_media_description_empty(md))
2769                 linphone_core_update_streams (lc,call,md);
2770         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2771         return 0;
2772 }
2773
2774 /**
2775  * @ingroup call_control
2776  * Accept call modifications initiated by other end.
2777  *
2778  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2779  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2780  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2781  * requested by the other party, such as whether a video stream is requested.
2782  *
2783  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2784  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2785  * If params is not NULL, then the update will be accepted according to the parameters passed.
2786  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2787  * (see linphone_call_params_enable_video()).
2788  * @param lc the linphone core object.
2789  * @param call the LinphoneCall object
2790  * @param params a LinphoneCallParams object describing the call parameters to accept.
2791  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2792 **/
2793 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2794         SalMediaDescription *remote_desc;
2795         bool_t keep_sdp_version;
2796 #ifdef VIDEO_ENABLED
2797         bool_t old_has_video = call->params.has_video;
2798 #endif
2799         if (call->state!=LinphoneCallUpdatedByRemote){
2800                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2801                          linphone_call_state_to_string(call->state));
2802                 return -1;
2803         }
2804         remote_desc = sal_call_get_remote_media_description(call->op);
2805         keep_sdp_version = lp_config_get_int(lc->config, "sip", "keep_sdp_version", 0);
2806         if (keep_sdp_version &&(remote_desc->session_id == call->remote_session_id) && (remote_desc->session_ver == call->remote_session_ver)) {
2807                 /* Remote has sent an INVITE with the same SDP as before, so send a 200 OK with the same SDP as before. */
2808                 ms_warning("SDP version has not changed, send same SDP as before.");
2809                 sal_call_accept(call->op);
2810                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2811                 return 0;
2812         }
2813         if (params==NULL){
2814                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2815         }else
2816                 call->params=*params;
2817
2818         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2819                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2820                 call->params.has_video=FALSE;
2821         }
2822         if (call->current_params.in_conference) {
2823                 ms_warning("Video isn't supported in conference");
2824                 call->params.has_video = FALSE;
2825         }
2826         call->params.has_video &= linphone_core_media_description_contains_video_stream(remote_desc);
2827         call->camera_active=call->params.has_video;
2828         linphone_call_make_local_media_description(lc,call);
2829         if (call->ice_session != NULL) {
2830                 linphone_core_update_ice_from_remote_media_description(call, remote_desc);
2831 #ifdef VIDEO_ENABLED
2832                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2833                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2834                                 linphone_call_init_video_stream(call);
2835                                 video_stream_prepare_video(call->videostream);
2836                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2837                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2838                                         linphone_call_delete_ice_session(call);
2839                                 } else return 0;
2840                         }
2841                 }
2842 #endif
2843         }
2844         linphone_core_start_accept_call_update(lc, call);
2845         return 0;
2846 }
2847
2848 /**
2849  * Accept an incoming call.
2850  *
2851  * @ingroup call_control
2852  * Basically the application is notified of incoming calls within the
2853  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2854  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2855  * The application can later accept the call using this method.
2856  * @param lc the LinphoneCore object
2857  * @param call the LinphoneCall object representing the call to be answered.
2858  *
2859 **/
2860 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2861         return linphone_core_accept_call_with_params(lc,call,NULL);
2862 }
2863
2864 /**
2865  * Accept an incoming call, with parameters.
2866  *
2867  * @ingroup call_control
2868  * Basically the application is notified of incoming calls within the
2869  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2870  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2871  * The application can later accept the call using
2872  * this method.
2873  * @param lc the LinphoneCore object
2874  * @param call the LinphoneCall object representing the call to be answered.
2875  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2876  *
2877 **/
2878 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2879 {
2880         LinphoneProxyConfig *cfg=NULL;
2881         const char *contact=NULL;
2882         SalOp *replaced;
2883         SalMediaDescription *new_md;
2884         bool_t was_ringing=FALSE;
2885
2886         if (call==NULL){
2887                 //if just one call is present answer the only one ...
2888                 if(linphone_core_get_calls_nb (lc) != 1)
2889                         return -1;
2890                 else
2891                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2892         }
2893
2894         if (call->state==LinphoneCallConnected){
2895                 /*call already accepted*/
2896                 return -1;
2897         }
2898
2899         /* check if this call is supposed to replace an already running one*/
2900         replaced=sal_call_get_replaces(call->op);
2901         if (replaced){
2902                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2903                 if (rc){
2904                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2905                                    call,rc);
2906                         linphone_core_terminate_call(lc,rc);
2907                 }
2908         }
2909
2910         if (lc->current_call!=call){
2911                 linphone_core_preempt_sound_resources(lc);
2912         }
2913
2914         /*stop ringing */
2915         if (lc->ringstream!=NULL) {
2916                 ms_message("stop ringing");
2917                 ring_stop(lc->ringstream);
2918                 ms_message("ring stopped");
2919                 lc->ringstream=NULL;
2920                 was_ringing=TRUE;
2921         }
2922         if (call->ringing_beep){
2923                 linphone_core_stop_dtmf(lc);
2924                 call->ringing_beep=FALSE;
2925         }
2926
2927         linphone_core_get_default_proxy(lc,&cfg);
2928         call->dest_proxy=cfg;
2929         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2930
2931         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2932                 ms_message("Overriding default proxy setting for this call:");
2933                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2934         }
2935         /*try to be best-effort in giving real local or routable contact address*/
2936         contact=get_fixed_contact(lc,call,call->dest_proxy);
2937         if (contact)
2938                 sal_op_set_contact(call->op,contact);
2939
2940         if (params){
2941                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
2942                 call->params=*params;
2943                 // There might not be a md if the INVITE was lacking an SDP
2944                 // In this case we use the parameters as is.
2945                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
2946                 call->camera_active=call->params.has_video;
2947                 linphone_call_make_local_media_description(lc,call);
2948                 sal_call_set_local_media_description(call->op,call->localdesc);
2949         }
2950
2951         if (call->audiostream==NULL)
2952                 linphone_call_init_media_streams(call);
2953         if (!was_ringing && call->audiostream->ms.ticker==NULL){
2954                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2955         }
2956
2957         linphone_call_update_remote_session_id_and_ver(call);
2958         sal_call_accept(call->op);
2959         if (lc->vtable.display_status!=NULL)
2960                 lc->vtable.display_status(lc,_("Connected."));
2961         lc->current_call=call;
2962         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2963         new_md=sal_call_get_final_media_description(call->op);
2964         linphone_core_update_streams(lc, call, new_md);
2965         if (new_md){
2966                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2967         }else call->media_pending=TRUE;
2968
2969         ms_message("call answered.");
2970         return 0;
2971 }
2972
2973 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2974         sal_call_terminate(call->op);
2975
2976         /*stop ringing*/
2977         if (lc->ringstream!=NULL) {
2978                 ring_stop(lc->ringstream);
2979                 lc->ringstream=NULL;
2980         }
2981         linphone_call_stop_media_streams(call);
2982         if (lc->vtable.display_status!=NULL)
2983                 lc->vtable.display_status(lc,_("Call aborted") );
2984         linphone_call_set_state(call,LinphoneCallError,error);
2985         return 0;
2986 }
2987
2988 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2989         if (call->state==LinphoneCallIncomingReceived){
2990                 if (call->reason!=LinphoneReasonNotAnswered)
2991                         call->reason=LinphoneReasonDeclined;
2992         }
2993         /*stop ringing*/
2994         if (lc->ringstream!=NULL) {
2995                 ring_stop(lc->ringstream);
2996                 lc->ringstream=NULL;
2997         }
2998
2999         linphone_call_stop_media_streams(call);
3000         if (lc->vtable.display_status!=NULL)
3001                 lc->vtable.display_status(lc,_("Call ended") );
3002         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
3003 }
3004
3005 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
3006         if (call->state==LinphoneCallIncomingReceived){
3007                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
3008                 call->reason=LinphoneReasonDeclined;
3009                 terminate_call(lc,call);
3010         }else{
3011                 ms_error("Bad state for call redirection.");
3012                 return -1;
3013     }
3014         return 0;
3015 }
3016
3017
3018 /**
3019  * Terminates a call.
3020  *
3021  * @ingroup call_control
3022  * @param lc the LinphoneCore
3023  * @param the_call the LinphoneCall object representing the call to be terminated.
3024 **/
3025 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
3026 {
3027         LinphoneCall *call;
3028         if (the_call == NULL){
3029                 call = linphone_core_get_current_call(lc);
3030                 if (ms_list_size(lc->calls)==1){
3031                         call=(LinphoneCall*)lc->calls->data;
3032                 }else{
3033                         ms_warning("No unique call to terminate !");
3034                         return -1;
3035                 }
3036         }
3037         else
3038         {
3039                 call = the_call;
3040         }
3041         sal_call_terminate(call->op);
3042         terminate_call(lc,call);
3043         return 0;
3044 }
3045
3046 /**
3047  * Decline a pending incoming call, with a reason.
3048  *
3049  * @ingroup call_control
3050  *
3051  * @param lc the linphone core
3052  * @param call the LinphoneCall, must be in the IncomingReceived state.
3053  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3054 **/
3055 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3056         SalReason sal_reason=SalReasonUnknown;
3057         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3058                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3059                 return -1;
3060         }
3061         switch(reason){
3062                 case LinphoneReasonDeclined:
3063                         sal_reason=SalReasonDeclined;
3064                 break;
3065                 case LinphoneReasonBusy:
3066                         sal_reason=SalReasonBusy;
3067                 break;
3068                 default:
3069                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3070                         return -1;
3071                 break;
3072         }
3073         sal_call_decline(call->op,sal_reason,NULL);
3074         terminate_call(lc,call);
3075         return 0;
3076 }
3077
3078 /**
3079  * Terminates all the calls.
3080  *
3081  * @ingroup call_control
3082  * @param lc The LinphoneCore
3083 **/
3084 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3085         MSList *calls=lc->calls;
3086         while(calls) {
3087                 LinphoneCall *c=(LinphoneCall*)calls->data;
3088                 calls=calls->next;
3089                 linphone_core_terminate_call(lc,c);
3090         }
3091         return 0;
3092 }
3093
3094 /**
3095  * Returns the current list of calls.
3096  *
3097  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3098  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3099  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3100  *
3101  * @ingroup call_control
3102 **/
3103 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3104 {
3105         return lc->calls;
3106 }
3107
3108 /**
3109  * Returns TRUE if there is a call running.
3110  *
3111  * @ingroup call_control
3112 **/
3113 bool_t linphone_core_in_call(const LinphoneCore *lc){
3114         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3115 }
3116
3117 /**
3118  * Returns The _LinphoneCall struct of the current call if one is in call
3119  *
3120  * @ingroup call_control
3121 **/
3122 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3123 {
3124         return lc->current_call;
3125 }
3126
3127 /**
3128  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3129  * this file will be played to the remote user.
3130  *
3131  * @ingroup call_control
3132 **/
3133 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3134 {
3135         const char *subject=NULL;
3136
3137         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3138                 ms_warning("Cannot pause this call, it is not active.");
3139                 return -1;
3140         }
3141         linphone_call_make_local_media_description(lc,call);
3142         if (call->ice_session != NULL)
3143                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3144         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3145                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3146                 subject="Call on hold";
3147         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3148                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3149                 subject="Call on hold for me too";
3150         }else{
3151                 ms_error("No reason to pause this call, it is already paused or inactive.");
3152                 return -1;
3153         }
3154         sal_call_set_local_media_description(call->op,call->localdesc);
3155         if (sal_call_update(call->op,subject) != 0){
3156                 if (lc->vtable.display_warning)
3157                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3158         }
3159         lc->current_call=NULL;
3160         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3161         if (lc->vtable.display_status)
3162                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3163         if (call->audiostream || call->videostream)
3164                 linphone_call_stop_media_streams (call);
3165         return 0;
3166 }
3167
3168 /**
3169  * Pause all currently running calls.
3170  * @ingroup call_control
3171 **/
3172 int linphone_core_pause_all_calls(LinphoneCore *lc){
3173         const MSList *elem;
3174         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3175                 LinphoneCall *call=(LinphoneCall *)elem->data;
3176                 LinphoneCallState cs=linphone_call_get_state(call);
3177                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3178                         linphone_core_pause_call(lc,call);
3179                 }
3180         }
3181         return 0;
3182 }
3183
3184 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3185         LinphoneCall *current_call;
3186         if (linphone_core_is_in_conference(lc)){
3187                 linphone_core_leave_conference(lc);
3188                 return;
3189         }
3190         current_call=linphone_core_get_current_call(lc);
3191         if(current_call != NULL){
3192                 ms_message("Pausing automatically the current call.");
3193                 linphone_core_pause_call(lc,current_call);
3194         }
3195 }
3196
3197 /**
3198  * Resumes the call.
3199  *
3200  * @ingroup call_control
3201 **/
3202 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3203 {
3204         char temp[255]={0};
3205         LinphoneCall *call = the_call;
3206         const char *subject="Call resuming";
3207
3208         if(call->state!=LinphoneCallPaused ){
3209                 ms_warning("we cannot resume a call that has not been established and paused before");
3210                 return -1;
3211         }
3212         if (call->params.in_conference==FALSE){
3213                 linphone_core_preempt_sound_resources(lc);
3214                 ms_message("Resuming call %p",call);
3215         }
3216
3217         /* Stop playing music immediately. If remote side is a conference it
3218          prevents the participants to hear it while the 200OK comes back.*/
3219         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3220
3221         linphone_call_make_local_media_description(lc,the_call);
3222         if (call->ice_session != NULL)
3223                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3224         sal_call_set_local_media_description(call->op,call->localdesc);
3225         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3226         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3227         if(sal_call_update(call->op,subject) != 0){
3228                 return -1;
3229         }
3230         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3231         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3232         if (lc->vtable.display_status)
3233                 lc->vtable.display_status(lc,temp);
3234         return 0;
3235 }
3236
3237 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3238         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3239         return !linphone_address_weak_equal (addr,raddr);
3240 }
3241
3242 /**
3243  * Get the call with the remote_address specified
3244  * @param lc
3245  * @param remote_address
3246  * @return the LinphoneCall of the call if found
3247  *
3248  * @ingroup call_control
3249  */
3250 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3251         LinphoneAddress *raddr=linphone_address_new(remote_address);
3252         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3253         if (elem) return (LinphoneCall*) elem->data;
3254         return NULL;
3255 }
3256
3257 int linphone_core_send_publish(LinphoneCore *lc,
3258                                LinphoneOnlineStatus presence_mode)
3259 {
3260         const MSList *elem;
3261         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3262                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3263                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3264         }
3265         return 0;
3266 }
3267
3268 /**
3269  * Set the incoming call timeout in seconds.
3270  *
3271  * @ingroup call_control
3272  * If an incoming call isn't answered for this timeout period, it is
3273  * automatically declined.
3274 **/
3275 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3276         lc->sip_conf.inc_timeout=seconds;
3277         if (linphone_core_ready(lc)){
3278                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3279         }
3280 }
3281
3282 /**
3283  * Returns the incoming call timeout
3284  *
3285  * @ingroup call_control
3286  * See linphone_core_set_inc_timeout() for details.
3287 **/
3288 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3289         return lc->sip_conf.inc_timeout;
3290 }
3291
3292 /**
3293  * Set the in call timeout in seconds.
3294  *
3295  * @ingroup call_control
3296  * After this timeout period, the call is automatically hangup.
3297 **/
3298 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3299         lc->sip_conf.in_call_timeout=seconds;
3300 }
3301
3302 /**
3303  * Returns the in call timeout
3304  *
3305  * @ingroup call_control
3306  * See linphone_core_set_in_call_timeout() for details.
3307 **/
3308 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3309         return lc->sip_conf.in_call_timeout;
3310 }
3311
3312 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3313                                                                                                         const char *contact,
3314                                                                                                         LinphoneOnlineStatus presence_mode)
3315 {
3316         if (minutes_away>0) lc->minutes_away=minutes_away;
3317
3318         if (lc->alt_contact!=NULL) {
3319                 ms_free(lc->alt_contact);
3320                 lc->alt_contact=NULL;
3321         }
3322         if (contact) lc->alt_contact=ms_strdup(contact);
3323         if (lc->presence_mode!=presence_mode){
3324                 linphone_core_notify_all_friends(lc,presence_mode);
3325                 /*
3326                    Improve the use of all LINPHONE_STATUS available.
3327                    !TODO Do not mix "presence status" with "answer status code"..
3328                    Use correct parameter to follow sip_if_match/sip_etag.
3329                  */
3330                 linphone_core_send_publish(lc,presence_mode);
3331         }
3332         lc->presence_mode=presence_mode;
3333 }
3334
3335 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3336         return lc->presence_mode;
3337 }
3338
3339 /**
3340  * Get playback sound level in 0-100 scale.
3341  *
3342  * @ingroup media_parameters
3343 **/
3344 int linphone_core_get_play_level(LinphoneCore *lc)
3345 {
3346         return lc->sound_conf.play_lev;
3347 }
3348
3349 /**
3350  * Get ring sound level in 0-100 scale
3351  *
3352  * @ingroup media_parameters
3353 **/
3354 int linphone_core_get_ring_level(LinphoneCore *lc)
3355 {
3356         return lc->sound_conf.ring_lev;
3357 }
3358
3359 /**
3360  * Get sound capture level in 0-100 scale
3361  *
3362  * @ingroup media_parameters
3363 **/
3364 int linphone_core_get_rec_level(LinphoneCore *lc){
3365         return lc->sound_conf.rec_lev;
3366 }
3367
3368 /**
3369  * Set sound ring level in 0-100 scale
3370  *
3371  * @ingroup media_parameters
3372 **/
3373 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3374         MSSndCard *sndcard;
3375         lc->sound_conf.ring_lev=level;
3376         sndcard=lc->sound_conf.ring_sndcard;
3377         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3378 }
3379
3380 /**
3381  * Allow to control microphone level:  gain in db
3382  *
3383  * @ingroup media_parameters
3384 **/
3385 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3386         float gain=gaindb;
3387         LinphoneCall *call=linphone_core_get_current_call (lc);
3388         AudioStream *st;
3389
3390         lc->sound_conf.soft_mic_lev=gaindb;
3391
3392         if (linphone_core_ready(lc)){
3393                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3394         }
3395
3396         if (call==NULL || (st=call->audiostream)==NULL){
3397                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3398                 return;
3399         }
3400         if (st->volrecv){
3401                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3402         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3403 }
3404
3405 /**
3406  * Get microphone gain in db.
3407  *
3408  * @ingroup media_parameters
3409 **/
3410 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3411         return lc->sound_conf.soft_mic_lev;
3412 }
3413
3414 /**
3415  * Allow to control play level before entering sound card:  gain in db
3416  *
3417  * @ingroup media_parameters
3418 **/
3419 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3420         float gain=gaindb;
3421         LinphoneCall *call=linphone_core_get_current_call (lc);
3422         AudioStream *st;
3423
3424         lc->sound_conf.soft_play_lev=gaindb;
3425         if (linphone_core_ready(lc)){
3426                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3427         }
3428
3429         if (call==NULL || (st=call->audiostream)==NULL){
3430                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3431                 return;
3432         }
3433         if (st->volrecv){
3434                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3435         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3436 }
3437
3438 /**
3439  * Get playback gain in db before entering  sound card.
3440  *
3441  * @ingroup media_parameters
3442 **/
3443 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3444         return lc->sound_conf.soft_play_lev;
3445 }
3446
3447 /**
3448  * Set sound playback level in 0-100 scale
3449  *
3450  * @ingroup media_parameters
3451 **/
3452 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3453         MSSndCard *sndcard;
3454         lc->sound_conf.play_lev=level;
3455         sndcard=lc->sound_conf.play_sndcard;
3456         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3457 }
3458
3459 /**
3460  * Set sound capture level in 0-100 scale
3461  *
3462  * @ingroup media_parameters
3463 **/
3464 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3465 {
3466         MSSndCard *sndcard;
3467         lc->sound_conf.rec_lev=level;
3468         sndcard=lc->sound_conf.capt_sndcard;
3469         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3470 }
3471
3472 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3473         MSSndCard *sndcard=NULL;
3474         if (devid!=NULL){
3475                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3476                 if (sndcard!=NULL &&
3477                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3478                         ms_warning("%s card does not have the %s capability, ignoring.",
3479                                 devid,
3480                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3481                         sndcard=NULL;
3482                 }
3483         }
3484         if (sndcard==NULL) {
3485                 /* get a card that has read+write capabilities */
3486                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3487                 /* otherwise refine to the first card having the right capability*/
3488                 if (sndcard==NULL){
3489                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3490                         for(;elem!=NULL;elem=elem->next){
3491                                 sndcard=(MSSndCard*)elem->data;
3492                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3493                         }
3494                 }
3495                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3496                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3497                         if (elem) sndcard=(MSSndCard*)elem->data;
3498         }
3499         }
3500         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3501         return sndcard;
3502 }
3503
3504 /**
3505  * Returns true if the specified sound device can capture sound.
3506  *
3507  * @ingroup media_parameters
3508  * @param lc The LinphoneCore object
3509  * @param devid the device name as returned by linphone_core_get_sound_devices()
3510 **/
3511 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3512         MSSndCard *sndcard;
3513         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3514         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3515         return FALSE;
3516 }
3517
3518 /**
3519  * Returns true if the specified sound device can play sound.
3520  *
3521  * @ingroup media_parameters
3522  * @param lc The LinphoneCore object
3523  * @param devid the device name as returned by linphone_core_get_sound_devices()
3524 **/
3525 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3526         MSSndCard *sndcard;
3527         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3528         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3529         return FALSE;
3530 }
3531
3532 /**
3533  * Sets the sound device used for ringing.
3534  *
3535  * @ingroup media_parameters
3536  * @param lc The LinphoneCore object
3537  * @param devid the device name as returned by linphone_core_get_sound_devices()
3538 **/
3539 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3540         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3541         lc->sound_conf.ring_sndcard=card;
3542         if (card && linphone_core_ready(lc))
3543                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3544         return 0;
3545 }
3546
3547 /**
3548  * Sets the sound device used for playback.
3549  *
3550  * @ingroup media_parameters
3551  * @param lc The LinphoneCore object
3552  * @param devid the device name as returned by linphone_core_get_sound_devices()
3553 **/
3554 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3555         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3556         lc->sound_conf.play_sndcard=card;
3557         if (card &&  linphone_core_ready(lc))
3558                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3559         return 0;
3560 }
3561
3562 /**
3563  * Sets the sound device used for capture.
3564  *
3565  * @ingroup media_parameters
3566  * @param lc The LinphoneCore object
3567  * @param devid the device name as returned by linphone_core_get_sound_devices()
3568 **/
3569 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3570         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3571         lc->sound_conf.capt_sndcard=card;
3572         if (card &&  linphone_core_ready(lc))
3573                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3574         return 0;
3575 }
3576
3577 /**
3578  * Returns the name of the currently assigned sound device for ringing.
3579  *
3580  * @ingroup media_parameters
3581  * @param lc The LinphoneCore object
3582 **/
3583 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3584 {
3585         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3586         return NULL;
3587 }
3588
3589 /**
3590  * Returns the name of the currently assigned sound device for playback.
3591  *
3592  * @ingroup media_parameters
3593  * @param lc The LinphoneCore object
3594 **/
3595 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3596 {
3597         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3598 }
3599
3600 /**
3601  * Returns the name of the currently assigned sound device for capture.
3602  *
3603  * @ingroup media_parameters
3604  * @param lc The LinphoneCore object
3605 **/
3606 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3607 {
3608         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3609 }
3610
3611 /**
3612  * Returns an unmodifiable array of available sound devices.
3613  *
3614  * The array is NULL terminated.
3615  *
3616  * @ingroup media_parameters
3617  * @param lc The LinphoneCore object
3618 **/
3619 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3620         return lc->sound_conf.cards;
3621 }
3622
3623 /**
3624  * Returns an unmodifiable array of available video capture devices.
3625  *
3626  * @ingroup media_parameters
3627  * The array is NULL terminated.
3628 **/
3629 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3630         return lc->video_conf.cams;
3631 }
3632
3633 /**
3634  * Update detection of sound devices.
3635  *
3636  * Use this function when the application is notified of USB plug events, so that
3637  * list of available hardwares for sound playback and capture is updated.
3638  **/
3639 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3640         const char *ringer,*playback,*capture;
3641         ringer=linphone_core_get_ringer_device(lc);
3642         playback=linphone_core_get_playback_device(lc);
3643         capture=linphone_core_get_capture_device(lc);
3644         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3645         build_sound_devices_table(lc);
3646         linphone_core_set_ringer_device(lc,ringer);
3647         linphone_core_set_playback_device(lc,playback);
3648         linphone_core_set_capture_device(lc,capture);
3649 }
3650
3651 /**
3652  * Update detection of camera devices.
3653  *
3654  * Use this function when the application is notified of USB plug events, so that
3655  * list of available hardwares for video capture is updated.
3656  **/
3657 void linphone_core_reload_video_devices(LinphoneCore *lc){
3658         const char *devid;
3659         devid=linphone_core_get_video_device(lc);
3660         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3661         build_video_devices_table(lc);
3662         linphone_core_set_video_device(lc,devid);
3663 }
3664
3665 char linphone_core_get_sound_source(LinphoneCore *lc)
3666 {
3667         return lc->sound_conf.source;
3668 }
3669
3670 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3671 {
3672         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3673         lc->sound_conf.source=source;
3674         if (!sndcard) return;
3675         switch(source){
3676                 case 'm':
3677                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3678                         break;
3679                 case 'l':
3680                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3681                         break;
3682         }
3683
3684 }
3685
3686
3687 /**
3688  * Sets the path to a wav file used for ringing.
3689  *
3690  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3691  * @param lc The LinphoneCore object
3692  *
3693  * @ingroup media_parameters
3694 **/
3695 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3696         if (lc->sound_conf.local_ring!=0){
3697                 ms_free(lc->sound_conf.local_ring);
3698                 lc->sound_conf.local_ring=NULL;
3699         }
3700         if (path)
3701                 lc->sound_conf.local_ring=ms_strdup(path);
3702         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3703                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3704 }
3705
3706 /**
3707  * Returns the path to the wav file used for ringing.
3708  *
3709  * @param lc The LinphoneCore object
3710  * @ingroup media_parameters
3711 **/
3712 const char *linphone_core_get_ring(const LinphoneCore *lc){
3713         return lc->sound_conf.local_ring;
3714 }
3715
3716 /**
3717  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3718  *
3719  * @param path
3720  * @param lc The LinphoneCore object
3721  *
3722  * @ingroup initializing
3723 **/
3724 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3725         sal_set_root_ca(lc->sal, path);
3726 }
3727
3728 /**
3729  * Gets the path to a file or folder containing the trusted root CAs (PEM format)
3730  *
3731  * @param lc The LinphoneCore object
3732  *
3733  * @ingroup initializing
3734 **/
3735 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3736         return sal_get_root_ca(lc->sal);
3737 }
3738
3739 /**
3740  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3741  *
3742  * @ingroup initializing
3743 **/
3744 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3745         sal_verify_server_certificates(lc->sal,yesno);
3746 }
3747
3748 /**
3749  * Specify whether the tls server certificate common name must be verified when connecting to a SIP/TLS server.
3750  * @ingroup initializing
3751 **/
3752 void linphone_core_verify_server_cn(LinphoneCore *lc, bool_t yesno){
3753         sal_verify_server_cn(lc->sal,yesno);
3754 }
3755
3756 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3757         LinphoneCore *lc=(LinphoneCore*)ud;
3758         lc->preview_finished=1;
3759 }
3760
3761 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3762 {
3763         if (lc->ringstream!=0){
3764                 ms_warning("Cannot start ring now,there's already a ring being played");
3765                 return -1;
3766         }
3767         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3768         lc->preview_finished=0;
3769         if (lc->sound_conf.ring_sndcard!=NULL){
3770                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3771                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3772         }
3773         return 0;
3774 }
3775
3776 /**
3777  * Sets the path to a wav file used for ringing back.
3778  *
3779  * Ringback means the ring that is heard when it's ringing at the remote party.
3780  * The file must be a wav 16bit linear.
3781  *
3782  * @ingroup media_parameters
3783 **/
3784 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3785         if (lc->sound_conf.remote_ring!=0){
3786                 ms_free(lc->sound_conf.remote_ring);
3787         }
3788         lc->sound_conf.remote_ring=ms_strdup(path);
3789 }
3790
3791 /**
3792  * Returns the path to the wav file used for ringing back.
3793  *
3794  * @ingroup media_parameters
3795 **/
3796 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3797         return lc->sound_conf.remote_ring;
3798 }
3799
3800 /**
3801  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3802  *
3803  * @ingroup media_parameters
3804 **/
3805 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3806         lc->sound_conf.ec=val;
3807         if ( linphone_core_ready(lc))
3808                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3809 }
3810
3811
3812 /**
3813  * Returns TRUE if echo cancellation is enabled.
3814  *
3815  * @ingroup media_parameters
3816 **/
3817 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3818         return lc->sound_conf.ec;
3819 }
3820
3821 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3822         lc->sound_conf.ea=val;
3823 }
3824
3825 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3826         return lc->sound_conf.ea;
3827 }
3828
3829 /**
3830  * Mutes or unmutes the local microphone.
3831  *
3832  * @ingroup media_parameters
3833 **/
3834 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3835         LinphoneCall *call=linphone_core_get_current_call(lc);
3836         AudioStream *st=NULL;
3837         if (linphone_core_is_in_conference(lc)){
3838                 lc->conf_ctx.local_muted=val;
3839                 st=lc->conf_ctx.local_participant;
3840         }else if (call==NULL){
3841                 ms_warning("linphone_core_mute_mic(): No current call !");
3842                 return;
3843         }else{
3844                 st=call->audiostream;
3845                 call->audio_muted=val;
3846         }
3847         if (st!=NULL){
3848                 audio_stream_set_mic_gain(st,
3849                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
3850                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3851                         audio_stream_mute_rtp(st,val);
3852                 }
3853
3854         }
3855 }
3856 /**
3857  * Returns whether microphone is muted.
3858 **/
3859 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3860         LinphoneCall *call=linphone_core_get_current_call(lc);
3861         if (linphone_core_is_in_conference(lc)){
3862                 return lc->conf_ctx.local_muted;
3863         }else if (call==NULL){
3864                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3865                 return FALSE;
3866         }
3867         return call->audio_muted;
3868 }
3869
3870 // returns rtp transmission status for an active stream
3871 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3872 // was set on then rtp transmission is also muted
3873 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3874         LinphoneCall *call=linphone_core_get_current_call(lc);
3875         if (call==NULL){
3876                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3877                 return FALSE;
3878         }
3879         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3880                 return call->audio_muted;
3881         }
3882         return FALSE;
3883 }
3884
3885 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3886         lc->sound_conf.agc=val;
3887 }
3888
3889 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3890         return lc->sound_conf.agc;
3891 }
3892
3893 /**
3894  * Send the specified dtmf.
3895  *
3896  * @ingroup media_parameters
3897  * This function only works during calls. The dtmf is automatically played to the user.
3898  * @param lc The LinphoneCore object
3899  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3900  *
3901 **/
3902 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3903 {
3904         LinphoneCall *call=linphone_core_get_current_call(lc);
3905         if (call==NULL){
3906                 ms_warning("linphone_core_send_dtmf(): no active call");
3907                 return;
3908         }
3909         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3910         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3911         {
3912                 /* In Band DTMF */
3913                 if (call->audiostream!=NULL){
3914                         audio_stream_send_dtmf(call->audiostream,dtmf);
3915                 }
3916                 else
3917                 {
3918                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3919                 }
3920         }
3921         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3922                 /* Out of Band DTMF (use INFO method) */
3923                 sal_call_send_dtmf(call->op,dtmf);
3924         }
3925 }
3926
3927 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3928         if (lc->net_conf.stun_server!=NULL)
3929                 ms_free(lc->net_conf.stun_server);
3930         if (server)
3931                 lc->net_conf.stun_server=ms_strdup(server);
3932         else lc->net_conf.stun_server=NULL;
3933         if (linphone_core_ready(lc))
3934                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3935 }
3936
3937 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3938         return lc->net_conf.stun_server;
3939 }
3940
3941 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3942         return lc->net_conf.relay;
3943 }
3944
3945 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3946         if (lc->net_conf.relay!=NULL){
3947                 ms_free(lc->net_conf.relay);
3948                 lc->net_conf.relay=NULL;
3949         }
3950         if (addr){
3951                 lc->net_conf.relay=ms_strdup(addr);
3952         }
3953         return 0;
3954 }
3955
3956 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3957 {
3958         if (lc->net_conf.nat_address!=NULL){
3959                 ms_free(lc->net_conf.nat_address);
3960         }
3961         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3962         else lc->net_conf.nat_address=NULL;
3963         if (lc->sip_conf.contact) update_primary_contact(lc);
3964 }
3965
3966 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3967         return lc->net_conf.nat_address;
3968 }
3969
3970 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3971 {
3972         struct sockaddr_storage ss;
3973         socklen_t ss_len;
3974         int error;
3975         char ipstring [INET6_ADDRSTRLEN];
3976
3977         if (lc->net_conf.nat_address==NULL) return NULL;
3978
3979         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3980                 return lc->net_conf.nat_address;
3981         }
3982
3983         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3984                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3985         if (error) {
3986                 return lc->net_conf.nat_address;
3987         }
3988
3989         if (lc->net_conf.nat_address_ip!=NULL){
3990                 ms_free(lc->net_conf.nat_address_ip);
3991         }
3992         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3993         return lc->net_conf.nat_address_ip;
3994 }
3995
3996 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3997         lc->net_conf.firewall_policy=pol;
3998         if (lc->sip_conf.contact) update_primary_contact(lc);
3999         if (linphone_core_ready(lc))
4000                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
4001 }
4002
4003 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
4004         return lc->net_conf.firewall_policy;
4005 }
4006
4007 /**
4008  * Get the list of call logs (past calls).
4009  *
4010  * @ingroup call_logs
4011 **/
4012 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
4013         return lc->call_logs;
4014 }
4015
4016 /**
4017  * Erase the call log.
4018  *
4019  * @ingroup call_logs
4020 **/
4021 void linphone_core_clear_call_logs(LinphoneCore *lc){
4022         lc->missed_calls=0;
4023         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4024         lc->call_logs=ms_list_free(lc->call_logs);
4025         call_logs_write_to_config_file(lc);
4026 }
4027
4028 /**
4029  * Returns number of missed calls.
4030  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
4031 **/
4032 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
4033         return lc->missed_calls;
4034 }
4035
4036 /**
4037  * Resets the counter of missed calls.
4038 **/
4039 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
4040         lc->missed_calls=0;
4041 }
4042
4043 /**
4044  * Remove a specific call log from call history list.
4045  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
4046  * @param lc the linphone core object
4047  * @param a LinphoneCallLog object.
4048 **/
4049 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
4050         lc->call_logs = ms_list_remove(lc->call_logs, cl);
4051         call_logs_write_to_config_file(lc);
4052         linphone_call_log_destroy(cl);
4053 }
4054
4055 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4056 #ifdef VIDEO_ENABLED
4057         if (val){
4058                 if (lc->previewstream==NULL){
4059                         lc->previewstream=video_preview_new();
4060                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4061                         if (lc->video_conf.displaytype)
4062                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4063                         if (lc->preview_window_id!=0)
4064                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4065                         video_preview_start(lc->previewstream,lc->video_conf.device);
4066                 }
4067         }else{
4068                 if (lc->previewstream!=NULL){
4069                         video_preview_stop(lc->previewstream);
4070                         lc->previewstream=NULL;
4071                 }
4072         }
4073 #endif
4074 }
4075
4076 /**
4077  * Enables video globally.
4078  *
4079  * @ingroup media_parameters
4080  * This function does not have any effect during calls. It just indicates LinphoneCore to
4081  * initiate future calls with video or not. The two boolean parameters indicate in which
4082  * direction video is enabled. Setting both to false disables video entirely.
4083  *
4084  * @param lc The LinphoneCore object
4085  * @param vcap_enabled indicates whether video capture is enabled
4086  * @param display_enabled indicates whether video display should be shown
4087  *
4088 **/
4089 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4090 #ifndef VIDEO_ENABLED
4091         if (vcap_enabled || display_enabled)
4092                 ms_warning("This version of linphone was built without video support.");
4093 #endif
4094         lc->video_conf.capture=vcap_enabled;
4095         lc->video_conf.display=display_enabled;
4096         if (linphone_core_ready(lc)){
4097                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4098                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4099         }
4100         /* need to re-apply network bandwidth settings*/
4101         linphone_core_set_download_bandwidth(lc,
4102                 linphone_core_get_download_bandwidth(lc));
4103         linphone_core_set_upload_bandwidth(lc,
4104                 linphone_core_get_upload_bandwidth(lc));
4105 }
4106
4107 bool_t linphone_core_video_supported(LinphoneCore *lc){
4108 #ifdef VIDEO_ENABLED
4109         return TRUE;
4110 #else
4111         return FALSE;
4112 #endif
4113 }
4114
4115 /**
4116  * Returns TRUE if video is enabled, FALSE otherwise.
4117  * @ingroup media_parameters
4118 **/
4119 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4120         return (lc->video_conf.display || lc->video_conf.capture);
4121 }
4122
4123 /**
4124  * Sets the default policy for video.
4125  * This policy defines whether:
4126  * - video shall be initiated by default for outgoing calls
4127  * - video shall be accepter by default for incoming calls
4128  * @ingroup media_parameters
4129 **/
4130 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4131         lc->video_policy=*policy;
4132         if (linphone_core_ready(lc)){
4133                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4134                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4135         }
4136 }
4137
4138 /**
4139  * Get the default policy for video.
4140  * See linphone_core_set_video_policy() for more details.
4141  * @ingroup media_parameters
4142 **/
4143 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4144         return &lc->video_policy;
4145 }
4146
4147 /**
4148  * Controls video preview enablement.
4149  *
4150  * @ingroup media_parameters
4151  * Video preview refers to the action of displaying the local webcam image
4152  * to the user while not in call.
4153 **/
4154 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4155         lc->video_conf.show_local=val;
4156         if (linphone_core_ready(lc))
4157                 lp_config_set_int(lc->config,"video","show_local",val);
4158 }
4159
4160 /**
4161  * Returns TRUE if video previewing is enabled.
4162  * @ingroup media_parameters
4163 **/
4164 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4165         return lc->video_conf.show_local;
4166 }
4167
4168 /**
4169  * Enables or disable self view during calls.
4170  *
4171  * @ingroup media_parameters
4172  * Self-view refers to having local webcam image inserted in corner
4173  * of the video window during calls.
4174  * This function works at any time, including during calls.
4175 **/
4176 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4177 #ifdef VIDEO_ENABLED
4178         LinphoneCall *call=linphone_core_get_current_call (lc);
4179         lc->video_conf.selfview=val;
4180         if (call && call->videostream){
4181                 video_stream_enable_self_view(call->videostream,val);
4182         }
4183         if (linphone_core_ready(lc)){
4184                 lp_config_set_int(lc->config,"video","self_view",val);
4185         }
4186 #endif
4187 }
4188
4189 /**
4190  * Returns TRUE if self-view is enabled, FALSE otherwise.
4191  *
4192  * @ingroup media_parameters
4193  *
4194  * Refer to linphone_core_enable_self_view() for details.
4195 **/
4196 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4197         return lc->video_conf.selfview;
4198 }
4199
4200 /**
4201  * Sets the active video device.
4202  *
4203  * @ingroup media_parameters
4204  * @param lc The LinphoneCore object
4205  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4206 **/
4207 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4208         MSWebCam *olddev=lc->video_conf.device;
4209         const char *vd;
4210         if (id!=NULL){
4211                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4212                 if (lc->video_conf.device==NULL){
4213                         ms_warning("Could not find video device %s",id);
4214                 }
4215         }
4216         if (lc->video_conf.device==NULL)
4217                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4218         if (olddev!=NULL && olddev!=lc->video_conf.device){
4219                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4220         }
4221         if ( linphone_core_ready(lc) && lc->video_conf.device){
4222                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4223                 if (vd && strstr(vd,"Static picture")!=NULL){
4224                         vd=NULL;
4225                 }
4226                 lp_config_set_string(lc->config,"video","device",vd);
4227         }
4228         return 0;
4229 }
4230
4231 /**
4232  * Returns the name of the currently active video device.
4233  *
4234  * @param lc The LinphoneCore object
4235  * @ingroup media_parameters
4236 **/
4237 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4238         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4239         return NULL;
4240 }
4241
4242 #ifdef VIDEO_ENABLED
4243 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4244         VideoStream *vs = NULL;
4245         LinphoneCall *call=linphone_core_get_current_call (lc);
4246         /* Select the video stream from the call in the first place */
4247         if (call && call->videostream) {
4248                 vs = call->videostream;
4249         }
4250         /* If not in call, select the video stream from the preview */
4251         if (vs == NULL && lc->previewstream) {
4252                 vs = lc->previewstream;
4253         }
4254         return vs;
4255 }
4256 #endif
4257
4258 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4259 #ifdef VIDEO_ENABLED
4260         VideoStream *vs=get_active_video_stream(lc);
4261         /* If we have a video stream (either preview, either from call), we
4262                  have a source and it is using the static picture filter, then
4263                  force the filter to use that picture. */
4264         if (vs && vs->source) {
4265                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4266                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4267                                                                                                                 (void *)path);
4268                 }
4269         }
4270         /* Tell the static image filter to use that image from now on so
4271                  that the image will be used next time it has to be read */
4272         ms_static_image_set_default_image(path);
4273 #else
4274         ms_warning("Video support not compiled.");
4275 #endif
4276         return 0;
4277 }
4278
4279 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4280         const char *path=NULL;
4281 #ifdef VIDEO_ENABLED
4282         path=ms_static_image_get_default_image();
4283 #else
4284         ms_warning("Video support not compiled.");
4285 #endif
4286         return path;
4287 }
4288
4289 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4290 #ifdef VIDEO_ENABLED
4291         VideoStream *vs = NULL;
4292
4293         vs=get_active_video_stream(lc);
4294
4295         /* If we have a video stream (either preview, either from call), we
4296                  have a source and it is using the static picture filter, then
4297                  force the filter to use that picture. */
4298         if (vs && vs->source) {
4299                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4300                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4301                 }
4302         }
4303 #else
4304         ms_warning("Video support not compiled.");
4305 #endif
4306         return 0;
4307 }
4308
4309 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4310 #ifdef VIDEO_ENABLED
4311         VideoStream *vs = NULL;
4312         vs=get_active_video_stream(lc);
4313         /* If we have a video stream (either preview, either from call), we
4314                  have a source and it is using the static picture filter, then
4315                  force the filter to use that picture. */
4316         if (vs && vs->source) {
4317                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4318
4319                         float fps;
4320
4321                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4322                         return fps;
4323                 }
4324         }
4325 #else
4326         ms_warning("Video support not compiled.");
4327 #endif
4328         return 0;
4329 }
4330
4331 /**
4332  * Returns the native window handle of the video window, casted as an unsigned long.
4333  *
4334  * @ingroup media_parameters
4335 **/
4336 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4337 #ifdef VIDEO_ENABLED
4338         LinphoneCall *call=linphone_core_get_current_call (lc);
4339         if (call && call->videostream)
4340                 return video_stream_get_native_window_id(call->videostream);
4341         if (lc->previewstream)
4342                 return video_stream_get_native_window_id(lc->previewstream);
4343 #endif
4344         return lc->video_window_id;
4345 }
4346
4347 /**@ingroup media_parameters
4348  * Set the native video window id where the video is to be displayed.
4349  * If not set the core will create its own window.
4350 **/
4351 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4352 #ifdef VIDEO_ENABLED
4353         LinphoneCall *call=linphone_core_get_current_call(lc);
4354         lc->video_window_id=id;
4355         if (call!=NULL && call->videostream){
4356                 video_stream_set_native_window_id(call->videostream,id);
4357         }
4358 #endif
4359 }
4360
4361 /**
4362  * Returns the native window handle of the video preview window, casted as an unsigned long.
4363  *
4364  * @ingroup media_parameters
4365 **/
4366 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4367 #ifdef VIDEO_ENABLED
4368         LinphoneCall *call=linphone_core_get_current_call (lc);
4369         if (call && call->videostream)
4370                 return video_stream_get_native_preview_window_id(call->videostream);
4371         if (lc->previewstream)
4372                 return video_preview_get_native_window_id(lc->previewstream);
4373 #endif
4374         return lc->preview_window_id;
4375 }
4376
4377 /**
4378  * @ingroup media_parameters
4379  * Set the native window id where the preview video (local camera) is to be displayed.
4380  * This has to be used in conjonction with linphone_core_use_preview_window().
4381  * If not set the core will create its own window.
4382 **/
4383 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4384         lc->preview_window_id=id;
4385 #ifdef VIDEO_ENABLED
4386         LinphoneCall *call=linphone_core_get_current_call(lc);
4387         if (call!=NULL && call->videostream){
4388                 video_stream_set_native_preview_window_id(call->videostream,id);
4389         }else if (lc->previewstream){
4390                 video_preview_set_native_window_id(lc->previewstream,id);
4391         }
4392 #endif
4393 }
4394
4395 /**
4396  * Can be used to disable video showing to free XV port
4397 **/
4398 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4399 #ifdef VIDEO_ENABLED
4400         ms_error("linphone_core_show_video %d", show);
4401         LinphoneCall *call=linphone_core_get_current_call(lc);
4402         if (call!=NULL && call->videostream){
4403                 video_stream_show_video(call->videostream,show);
4404         }
4405 #endif
4406 }
4407
4408 /**
4409  * Tells the core to use a separate window for local camera preview video, instead of
4410  * inserting local view within the remote video window.
4411  *
4412 **/
4413 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4414         lc->use_preview_window=yesno;
4415 }
4416 /**
4417  * @ingroup media_parameters
4418  *returns current device orientation
4419  */
4420 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4421         return lc->device_rotation;
4422 }
4423 /**
4424  * @ingroup media_parameters
4425  * Tells the core the device current orientation. This can be used by capture filters
4426  * on mobile devices to select between portrait/landscape mode and to produce properly
4427  * oriented images. The exact meaning of the value in rotation if left to each device
4428  * specific implementations.
4429  *@param lc  object.
4430  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4431  *
4432 **/
4433 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4434 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4435         lc->device_rotation = rotation;
4436 #ifdef VIDEO_ENABLED
4437         LinphoneCall *call=linphone_core_get_current_call(lc);
4438         if (call!=NULL && call->videostream){
4439                 video_stream_set_device_rotation(call->videostream,rotation);
4440         }
4441 #endif
4442 }
4443
4444 static MSVideoSizeDef supported_resolutions[]={
4445 #ifdef ENABLE_HD
4446         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4447         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4448 #endif
4449         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4450         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4451         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4452         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4453         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4454         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4455         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4456         {       {0,0}                   ,       NULL    }
4457 };
4458
4459 /**
4460  * Returns the zero terminated table of supported video resolutions.
4461  *
4462  * @ingroup media_parameters
4463 **/
4464 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4465         return supported_resolutions;
4466 }
4467
4468 static MSVideoSize video_size_get_by_name(const char *name){
4469         MSVideoSizeDef *pdef=supported_resolutions;
4470         MSVideoSize null_vsize={0,0};
4471         for(;pdef->name!=NULL;pdef++){
4472                 if (strcasecmp(name,pdef->name)==0){
4473                         return pdef->vsize;
4474                 }
4475         }
4476         ms_warning("Video resolution %s is not supported in linphone.",name);
4477         return null_vsize;
4478 }
4479
4480 static const char *video_size_get_name(MSVideoSize vsize){
4481         MSVideoSizeDef *pdef=supported_resolutions;
4482         for(;pdef->name!=NULL;pdef++){
4483                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4484                         return pdef->name;
4485                 }
4486         }
4487         return NULL;
4488 }
4489
4490 static bool_t video_size_supported(MSVideoSize vsize){
4491         if (video_size_get_name(vsize)) return TRUE;
4492         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4493         return FALSE;
4494 }
4495
4496 /**
4497  * Sets the preferred video size.
4498  *
4499  * @ingroup media_parameters
4500  * This applies only to the stream that is captured and sent to the remote party,
4501  * since we accept all standard video size on the receive path.
4502 **/
4503 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4504         if (video_size_supported(vsize)){
4505                 MSVideoSize oldvsize=lc->video_conf.vsize;
4506                 lc->video_conf.vsize=vsize;
4507                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4508                         toggle_video_preview(lc,FALSE);
4509                         toggle_video_preview(lc,TRUE);
4510                 }
4511                 if ( linphone_core_ready(lc))
4512                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4513         }
4514 }
4515
4516 /**
4517  * Sets the preferred video size by its name.
4518  *
4519  * @ingroup media_parameters
4520  * This is identical to linphone_core_set_preferred_video_size() except
4521  * that it takes the name of the video resolution as input.
4522  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4523 **/
4524 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4525         MSVideoSize vsize=video_size_get_by_name(name);
4526         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4527         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4528         else linphone_core_set_preferred_video_size(lc,default_vsize);
4529 }
4530
4531 /**
4532  * Returns the current preferred video size for sending.
4533  *
4534  * @ingroup media_parameters
4535 **/
4536 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4537         return lc->video_conf.vsize;
4538 }
4539
4540 /**
4541  * Ask the core to stream audio from and to files, instead of using the soundcard.
4542 **/
4543 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4544         lc->use_files=yesno;
4545 }
4546
4547 /**
4548  * Sets a wav file to be played when putting somebody on hold,
4549  * or when files are used instead of soundcards (see linphone_core_use_files()).
4550  *
4551  * The file must be a 16 bit linear wav file.
4552 **/
4553 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4554         LinphoneCall *call=linphone_core_get_current_call(lc);
4555         if (lc->play_file!=NULL){
4556                 ms_free(lc->play_file);
4557                 lc->play_file=NULL;
4558         }
4559         if (file!=NULL) {
4560                 lc->play_file=ms_strdup(file);
4561                 if (call && call->audiostream && call->audiostream->ms.ticker)
4562                         audio_stream_play(call->audiostream,file);
4563         }
4564 }
4565
4566
4567 /**
4568  * Sets a wav file where incoming stream is to be recorded,
4569  * when files are used instead of soundcards (see linphone_core_use_files()).
4570  *
4571  * The file must be a 16 bit linear wav file.
4572 **/
4573 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4574         LinphoneCall *call=linphone_core_get_current_call(lc);
4575         if (lc->rec_file!=NULL){
4576                 ms_free(lc->rec_file);
4577                 lc->rec_file=NULL;
4578         }
4579         if (file!=NULL) {
4580                 lc->rec_file=ms_strdup(file);
4581                 if (call && call->audiostream)
4582                         audio_stream_record(call->audiostream,file);
4583         }
4584 }
4585
4586
4587 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4588         LinphoneCall *call=linphone_core_get_current_call (lc);
4589         AudioStream *stream=NULL;
4590         if (call){
4591                 stream=call->audiostream;
4592         }else if (linphone_core_is_in_conference(lc)){
4593                 stream=lc->conf_ctx.local_participant;
4594         }
4595         if (stream){
4596                 return stream->dtmfgen;
4597         }
4598         if (lc->ringstream==NULL){
4599                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4600                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4601                 if (ringcard == NULL)
4602                         return NULL;
4603
4604                 lc->ringstream=ring_start(NULL,0,ringcard);
4605                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4606                 lc->dmfs_playing_start_time=time(NULL);
4607         }else{
4608                 if (lc->dmfs_playing_start_time!=0)
4609                         lc->dmfs_playing_start_time=time(NULL);
4610         }
4611         return lc->ringstream->gendtmf;
4612 }
4613
4614 /**
4615  * @ingroup media_parameters
4616  * Plays a dtmf sound to the local user.
4617  * @param lc #LinphoneCore
4618  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4619  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4620 **/
4621 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4622         MSFilter *f=get_dtmf_gen(lc);
4623         if (f==NULL){
4624                 ms_error("No dtmf generator at this time !");
4625                 return;
4626         }
4627
4628         if (duration_ms>0)
4629                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4630         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4631 }
4632
4633 /**
4634  * @ingroup media_parameters
4635  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4636  * @param lc #LinphoneCore
4637 **/
4638 void linphone_core_play_tone(LinphoneCore *lc){
4639         MSFilter *f=get_dtmf_gen(lc);
4640         MSDtmfGenCustomTone def;
4641         if (f==NULL){
4642                 ms_error("No dtmf generator at this time !");
4643                 return;
4644         }
4645         def.duration=300;
4646         def.frequency=500;
4647         def.amplitude=1;
4648         def.interval=2000;
4649         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4650 }
4651
4652 /**
4653  * @ingroup media_parameters
4654  *
4655  * Stops playing a dtmf started by linphone_core_play_dtmf().
4656 **/
4657 void linphone_core_stop_dtmf(LinphoneCore *lc){
4658         MSFilter *f=get_dtmf_gen(lc);
4659         if (f!=NULL)
4660                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4661 }
4662
4663
4664
4665 /**
4666  * Retrieves the user pointer that was given to linphone_core_new()
4667  *
4668  * @ingroup initializing
4669 **/
4670 void *linphone_core_get_user_data(LinphoneCore *lc){
4671         return lc->data;
4672 }
4673
4674
4675 /**
4676  * Associate a user pointer to the linphone core.
4677  *
4678  * @ingroup initializing
4679 **/
4680 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4681         lc->data=userdata;
4682 }
4683
4684 int linphone_core_get_mtu(const LinphoneCore *lc){
4685         return lc->net_conf.mtu;
4686 }
4687
4688 /**
4689  * Sets the maximum transmission unit size in bytes.
4690  * This information is useful for sending RTP packets.
4691  * Default value is 1500.
4692  *
4693  * @ingroup media_parameters
4694 **/
4695 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4696         lc->net_conf.mtu=mtu;
4697         if (mtu>0){
4698                 if (mtu<500){
4699                         ms_error("MTU too small !");
4700                         mtu=500;
4701                 }
4702                 ms_set_mtu(mtu);
4703                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4704         }else ms_set_mtu(0);//use mediastreamer2 default value
4705 }
4706
4707 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4708         lc->wait_cb=cb;
4709         lc->wait_ctx=user_context;
4710 }
4711
4712 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4713         if (lc->wait_cb){
4714                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4715         }
4716 }
4717
4718 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4719         if (lc->wait_cb){
4720                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4721         }else{
4722 #ifdef WIN32
4723                 Sleep(50000);
4724 #else
4725                 usleep(50000);
4726 #endif
4727         }
4728 }
4729
4730 void linphone_core_stop_waiting(LinphoneCore *lc){
4731         if (lc->wait_cb){
4732                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4733         }
4734 }
4735
4736 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4737         lc->rtptf=factories;
4738 }
4739
4740 /**
4741  * Retrieve RTP statistics regarding current call.
4742  * @param local RTP statistics computed locally.
4743  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4744  *
4745  * @note Remote RTP statistics is not implemented yet.
4746  *
4747  * @returns 0 or -1 if no call is running.
4748 **/
4749
4750 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4751         LinphoneCall *call=linphone_core_get_current_call (lc);
4752         if (call!=NULL){
4753                 if (call->audiostream!=NULL){
4754                         memset(remote,0,sizeof(*remote));
4755                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4756                         return 0;
4757                 }
4758         }
4759         return -1;
4760 }
4761
4762 void net_config_uninit(LinphoneCore *lc)
4763 {
4764         net_config_t *config=&lc->net_conf;
4765
4766         if (config->stun_server!=NULL){
4767                 ms_free(lc->net_conf.stun_server);
4768         }
4769         if (config->nat_address!=NULL){
4770                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4771                 ms_free(lc->net_conf.nat_address);
4772         }
4773         if (lc->net_conf.nat_address_ip !=NULL){
4774                 ms_free(lc->net_conf.nat_address_ip);
4775         }
4776         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4777 }
4778
4779
4780 void sip_config_uninit(LinphoneCore *lc)
4781 {
4782         MSList *elem;
4783         int i;
4784         sip_config_t *config=&lc->sip_conf;
4785
4786         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4787         lp_config_set_string(lc->config,"sip","contact",config->contact);
4788         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4789         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
4790         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4791         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4792         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4793         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4794
4795
4796
4797
4798         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4799                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4800                 linphone_proxy_config_edit(cfg);        /* to unregister */
4801         }
4802
4803         for (i=0;i<20;i++){
4804                 sal_iterate(lc->sal);
4805 #ifndef WIN32
4806                 usleep(100000);
4807 #else
4808                 Sleep(100);
4809 #endif
4810         }
4811
4812         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4813         ms_list_free(config->proxies);
4814         config->proxies=NULL;
4815
4816         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4817
4818         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4819         ms_list_free(lc->auth_info);
4820         lc->auth_info=NULL;
4821
4822         sal_uninit(lc->sal);
4823         lc->sal=NULL;
4824
4825         if (lc->sip_conf.guessed_contact)
4826                 ms_free(lc->sip_conf.guessed_contact);
4827         if (config->contact)
4828                 ms_free(config->contact);
4829
4830 }
4831
4832 void rtp_config_uninit(LinphoneCore *lc)
4833 {
4834         rtp_config_t *config=&lc->rtp_conf;
4835         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4836                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4837         } else {
4838                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4839         }
4840         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4841                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4842         } else {
4843                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4844         }
4845         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4846         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4847         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4848         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4849         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4850 }
4851
4852 static void sound_config_uninit(LinphoneCore *lc)
4853 {
4854         sound_config_t *config=&lc->sound_conf;
4855         ms_free(config->cards);
4856
4857         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4858         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
4859         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
4860
4861         if (config->local_ring) ms_free(config->local_ring);
4862         if (config->remote_ring) ms_free(config->remote_ring);
4863         ms_snd_card_manager_destroy();
4864 }
4865
4866 static void video_config_uninit(LinphoneCore *lc)
4867 {
4868         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4869         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4870         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4871         if (lc->video_conf.cams)
4872                 ms_free(lc->video_conf.cams);
4873 }
4874
4875 void _linphone_core_codec_config_write(LinphoneCore *lc){
4876         if (linphone_core_ready(lc)){
4877                 PayloadType *pt;
4878                 codecs_config_t *config=&lc->codecs_conf;
4879                 MSList *node;
4880                 char key[50];
4881                 int index;
4882                 index=0;
4883                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4884                         pt=(PayloadType*)(node->data);
4885                         sprintf(key,"audio_codec_%i",index);
4886                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4887                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4888                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4889                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4890                         index++;
4891                 }
4892                 sprintf(key,"audio_codec_%i",index);
4893                 lp_config_clean_section (lc->config,key);
4894
4895                 index=0;
4896                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4897                         pt=(PayloadType*)(node->data);
4898                         sprintf(key,"video_codec_%i",index);
4899                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4900                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4901                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4902                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4903                         index++;
4904                 }
4905                 sprintf(key,"video_codec_%i",index);
4906                 lp_config_clean_section (lc->config,key);
4907         }
4908 }
4909
4910 static void codecs_config_uninit(LinphoneCore *lc)
4911 {
4912         _linphone_core_codec_config_write(lc);
4913         ms_list_free(lc->codecs_conf.audio_codecs);
4914         ms_list_free(lc->codecs_conf.video_codecs);
4915 }
4916
4917 void ui_config_uninit(LinphoneCore* lc)
4918 {
4919         if (lc->friends){
4920                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4921                 ms_list_free(lc->friends);
4922                 lc->friends=NULL;
4923         }
4924 }
4925
4926 /**
4927  * Returns the LpConfig object used to manage the storage (config) file.
4928  *
4929  * @ingroup misc
4930  * The application can use the LpConfig object to insert its own private
4931  * sections and pairs of key=value in the configuration file.
4932  *
4933 **/
4934 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4935         return lc->config;
4936 }
4937
4938 static void linphone_core_uninit(LinphoneCore *lc)
4939 {
4940         linphone_core_free_hooks(lc);
4941         while(lc->calls)
4942         {
4943                 LinphoneCall *the_call = lc->calls->data;
4944                 linphone_core_terminate_call(lc,the_call);
4945                 linphone_core_iterate(lc);
4946 #ifdef WIN32
4947                 Sleep(50000);
4948 #else
4949                 usleep(50000);
4950 #endif
4951         }
4952         if (lc->friends)
4953                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4954         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4955 #ifdef VIDEO_ENABLED
4956         if (lc->previewstream!=NULL){
4957                 video_preview_stop(lc->previewstream);
4958                 lc->previewstream=NULL;
4959         }
4960 #endif
4961         ms_event_queue_destroy(lc->msevq);
4962         lc->msevq=NULL;
4963         /* save all config */
4964         net_config_uninit(lc);
4965         rtp_config_uninit(lc);
4966         if (lc->ringstream) ring_stop(lc->ringstream);
4967         sound_config_uninit(lc);
4968         video_config_uninit(lc);
4969         codecs_config_uninit(lc);
4970         ui_config_uninit(lc);
4971         sip_config_uninit(lc);
4972         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4973         lp_config_destroy(lc->config);
4974         lc->config = NULL; /* Mark the config as NULL to block further calls */
4975         sip_setup_unregister_all();
4976
4977         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4978         lc->call_logs=ms_list_free(lc->call_logs);
4979
4980         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
4981         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
4982
4983         linphone_core_free_payload_types(lc);
4984         ortp_exit();
4985         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4986 #ifdef TUNNEL_ENABLED
4987         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4988 #endif
4989 }
4990
4991 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4992         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4993         // second get the list of available proxies
4994         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4995         for(;elem!=NULL;elem=elem->next){
4996                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4997                 if (linphone_proxy_config_register_enabled(cfg) ) {
4998                         if (!isReachable) {
4999                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
5000                         }else{
5001                                 cfg->commit=TRUE;
5002                         }
5003                 }
5004         }
5005         lc->netup_time=curtime;
5006         lc->network_reachable=isReachable;
5007         if(!isReachable) {
5008                 sal_reset_transports(lc->sal);
5009         }
5010 }
5011
5012 void linphone_core_refresh_registers(LinphoneCore* lc) {
5013         const MSList *elem;
5014         if (!lc->network_reachable) {
5015                 ms_warning("Refresh register operation not available (network unreachable)");
5016                 return;
5017         }
5018         elem=linphone_core_get_proxy_config_list(lc);
5019         for(;elem!=NULL;elem=elem->next){
5020                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5021                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
5022                         linphone_proxy_config_refresh_register(cfg);
5023                 }
5024         }
5025 }
5026
5027 void __linphone_core_invalidate_registers(LinphoneCore* lc){
5028         const MSList *elem=linphone_core_get_proxy_config_list(lc);
5029         for(;elem!=NULL;elem=elem->next){
5030                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
5031                 if (linphone_proxy_config_register_enabled(cfg)) {
5032                         linphone_proxy_config_edit(cfg);
5033                         linphone_proxy_config_done(cfg);
5034                 }
5035         }
5036 }
5037
5038 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
5039         //first disable automatic mode
5040         if (lc->auto_net_state_mon) {
5041                 ms_message("Disabling automatic network state monitoring");
5042                 lc->auto_net_state_mon=FALSE;
5043         }
5044         set_network_reachable(lc,isReachable, ms_time(NULL));
5045 }
5046
5047 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
5048         return lc->network_reachable;
5049 }
5050 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
5051         return sal_get_socket(lc->sal);
5052 }
5053 /**
5054  * Destroys a LinphoneCore
5055  *
5056  * @ingroup initializing
5057 **/
5058 void linphone_core_destroy(LinphoneCore *lc){
5059         linphone_core_uninit(lc);
5060         ms_free(lc);
5061 }
5062 /**
5063  * Get the number of Call
5064  *
5065  * @ingroup call_control
5066 **/
5067 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5068         return  ms_list_size(lc->calls);;
5069 }
5070
5071 /**
5072  * Check if we do not have exceed the number of simultaneous call
5073  *
5074  * @ingroup call_control
5075 **/
5076 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5077 {
5078         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5079                 return TRUE;
5080         ms_message("Maximum amount of simultaneous calls reached !");
5081         return FALSE;
5082 }
5083
5084
5085 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5086 {
5087         if(linphone_core_can_we_add_call(lc))
5088         {
5089                 lc->calls = ms_list_append(lc->calls,call);
5090                 return 0;
5091         }
5092         return -1;
5093 }
5094
5095 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5096 {
5097         MSList *it;
5098         MSList *the_calls = lc->calls;
5099
5100         it=ms_list_find(the_calls,call);
5101         if (it)
5102         {
5103                 the_calls = ms_list_remove_link(the_calls,it);
5104         }
5105         else
5106         {
5107                 ms_warning("could not find the call into the list\n");
5108                 return -1;
5109         }
5110         lc->calls = the_calls;
5111         return 0;
5112 }
5113
5114 /**
5115  * Specifiies a ring back tone to be played to far end during incoming calls.
5116 **/
5117 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5118         if (lc->sound_conf.ringback_tone){
5119                 ms_free(lc->sound_conf.ringback_tone);
5120                 lc->sound_conf.ringback_tone=NULL;
5121         }
5122         if (file)
5123                 lc->sound_conf.ringback_tone=ms_strdup(file);
5124 }
5125
5126 /**
5127  * Returns the ring back tone played to far end during incoming calls.
5128 **/
5129 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5130         return lc->sound_conf.ringback_tone;
5131 }
5132
5133 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5134         const MSList *elem;
5135         for(elem=from;elem!=NULL;elem=elem->next){
5136                 PayloadType *pt=(PayloadType*)elem->data;
5137                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5138                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5139                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5140                         return pt;
5141                 }
5142         }
5143         return NULL;
5144 }
5145
5146
5147 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5148         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5149         if (result)  {
5150                 return result;
5151         } else {
5152                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5153                 if (result) {
5154                         return result;
5155                 }
5156         }
5157         /*not found*/
5158         return NULL;
5159 }
5160
5161 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5162         switch(gs){
5163                 case LinphoneGlobalOff:
5164                         return "LinphoneGlobalOff";
5165                 break;
5166                 case LinphoneGlobalOn:
5167                         return "LinphoneGlobalOn";
5168                 break;
5169                 case LinphoneGlobalStartup:
5170                         return "LinphoneGlobalStartup";
5171                 break;
5172                 case LinphoneGlobalShutdown:
5173                         return "LinphoneGlobalShutdown";
5174                 break;
5175         }
5176         return NULL;
5177 }
5178
5179 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5180         return lc->state;
5181 }
5182
5183 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5184         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5185         linphone_core_init_default_params(lc, p);
5186         return p;
5187 }
5188
5189 const char *linphone_reason_to_string(LinphoneReason err){
5190         switch(err){
5191                 case LinphoneReasonNone:
5192                         return "No error";
5193                 case LinphoneReasonNoResponse:
5194                         return "No response";
5195                 case LinphoneReasonBadCredentials:
5196                         return "Bad credentials";
5197                 case LinphoneReasonDeclined:
5198                         return "Call declined";
5199                 case LinphoneReasonNotFound:
5200                         return "User not found";
5201                 case LinphoneReasonNotAnswered:
5202                         return "Not answered";
5203                 case LinphoneReasonBusy:
5204                         return "Busy";
5205         }
5206         return "unknown error";
5207 }
5208
5209 const char *linphone_error_to_string(LinphoneReason err){
5210         return linphone_reason_to_string(err);
5211 }
5212 /**
5213  * Enables signaling keep alive
5214  */
5215 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5216         if (enable > 0) {
5217                 sal_use_tcp_tls_keepalive(lc->sal,lc->sip_conf.tcp_tls_keepalive);
5218                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5219         } else {
5220                 sal_set_keepalive_period(lc->sal,0);
5221         }
5222 }
5223 /**
5224  * Is signaling keep alive enabled
5225  */
5226 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5227         return sal_get_keepalive_period(lc->sal) > 0;
5228 }
5229
5230 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5231         get_dtmf_gen(lc); /*make sure ring stream is started*/
5232         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5233 }
5234
5235 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5236         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5237                 ring_stop(lc->ringstream);
5238                 lc->ringstream=NULL;
5239         }
5240 }
5241
5242 int linphone_core_get_max_calls(LinphoneCore *lc) {
5243         return lc->max_calls;
5244 }
5245 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5246         lc->max_calls=max;
5247 }
5248
5249 typedef struct Hook{
5250         LinphoneCoreIterateHook fun;
5251         void *data;
5252 }Hook;
5253
5254 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5255         Hook *h=ms_new(Hook,1);
5256         h->fun=hook;
5257         h->data=hook_data;
5258         return h;
5259 }
5260
5261 static void hook_invoke(Hook *h){
5262         h->fun(h->data);
5263 }
5264
5265 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5266         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5267 }
5268
5269 static void linphone_core_run_hooks(LinphoneCore *lc){
5270         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5271 }
5272
5273 static void linphone_core_free_hooks(LinphoneCore *lc){
5274         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5275         ms_list_free(lc->hooks);
5276         lc->hooks=NULL;
5277 }
5278
5279 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5280         MSList *elem;
5281         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5282                 Hook *h=(Hook*)elem->data;
5283                 if (h->fun==hook && h->data==hook_data){
5284                         ms_list_remove_link(lc->hooks,elem);
5285                         ms_free(h);
5286                         return;
5287                 }
5288         }
5289         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5290 }
5291
5292 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5293         if (lc->zrtp_secrets_cache != NULL) {
5294                 ms_free(lc->zrtp_secrets_cache);
5295         }
5296         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5297 }
5298
5299 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5300         return lc->zrtp_secrets_cache;
5301 }
5302
5303 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5304         if (uri == NULL) return NULL;
5305         MSList *calls=lc->calls;
5306         while(calls) {
5307                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5308                 calls=calls->next;
5309                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5310                 char *current_uri=linphone_address_as_string_uri_only(address);
5311                 if (strcmp(uri,current_uri)==0) {
5312                         ms_free(current_uri);
5313                         return c;
5314                 } else {
5315                         ms_free(current_uri);
5316                 }
5317         }
5318         return NULL;
5319 }
5320
5321
5322 /**
5323  * Check if a call will need the sound resources.
5324  *
5325  * @ingroup call_control
5326  * @param lc The LinphoneCore
5327 **/
5328 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5329         MSList *calls=lc->calls;
5330         while(calls) {
5331                 LinphoneCall *c=(LinphoneCall*)calls->data;
5332                 calls=calls->next;
5333                 switch (c->state) {
5334                         case LinphoneCallOutgoingInit:
5335                         case LinphoneCallOutgoingProgress:
5336                         case LinphoneCallOutgoingRinging:
5337                         case LinphoneCallOutgoingEarlyMedia:
5338                         case LinphoneCallConnected:
5339                         case LinphoneCallRefered:
5340                         case LinphoneCallIncomingEarlyMedia:
5341                         case LinphoneCallUpdating:
5342                                 return TRUE;
5343                         default:
5344                                 break;
5345                 }
5346         }
5347         return FALSE;
5348 }
5349
5350 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5351         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5352 }
5353
5354 /**
5355  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5356 **/
5357 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5358         switch(menc){
5359                 case LinphoneMediaEncryptionSRTP:
5360                         return ortp_srtp_supported();
5361                 case LinphoneMediaEncryptionZRTP:
5362                         return ortp_zrtp_available();
5363                 case LinphoneMediaEncryptionNone:
5364                         return TRUE;
5365         }
5366         return FALSE;
5367 }
5368
5369 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5370         const char *type="none";
5371         int ret=0;
5372         if (menc == LinphoneMediaEncryptionSRTP){
5373                 if (!ortp_srtp_supported()){
5374                         ms_warning("SRTP not supported by library.");
5375                         type="none";
5376                         ret=-1;
5377                 }else type="srtp";
5378         }else if (menc == LinphoneMediaEncryptionZRTP){
5379                 if (!ortp_zrtp_available()){
5380                         ms_warning("ZRTP not supported by library.");
5381                         type="none";
5382                         ret=-1;
5383                 }else type="zrtp";
5384         }
5385         lp_config_set_string(lc->config,"sip","media_encryption",type);
5386         return ret;
5387 }
5388
5389 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5390         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5391
5392         if (menc == NULL)
5393                 return LinphoneMediaEncryptionNone;
5394         else if (strcmp(menc, "srtp")==0)
5395                 return LinphoneMediaEncryptionSRTP;
5396         else if (strcmp(menc, "zrtp")==0)
5397                 return LinphoneMediaEncryptionZRTP;
5398         else
5399                 return LinphoneMediaEncryptionNone;
5400 }
5401
5402 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5403         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5404 }
5405
5406 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5407         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5408 }
5409
5410 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5411         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5412         params->media_encryption=linphone_core_get_media_encryption(lc);
5413         params->in_conference=FALSE;
5414 }
5415
5416
5417
5418 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5419         if (lc->device_id) ms_free(lc->device_id);
5420         lc->device_id=ms_strdup(device_id);
5421 }
5422 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5423         return lc->device_id;
5424 }
5425
5426 /**
5427  * Set the DSCP field for SIP signaling channel.
5428  *
5429  * @ingroup network_parameters
5430  * * The DSCP defines the quality of service in IP packets.
5431  *
5432 **/
5433 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5434         sal_set_dscp(lc->sal,dscp);
5435         if (linphone_core_ready(lc)){
5436                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5437                 apply_transports(lc);
5438         }
5439 }
5440
5441 /**
5442  * Get the DSCP field for SIP signaling channel.
5443  *
5444  * @ingroup network_parameters
5445  * * The DSCP defines the quality of service in IP packets.
5446  *
5447 **/
5448 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5449         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5450 }
5451
5452 /**
5453  * Set the DSCP field for outgoing audio streams.
5454  *
5455  * @ingroup network_parameters
5456  * The DSCP defines the quality of service in IP packets.
5457  *
5458 **/
5459 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5460         if (linphone_core_ready(lc))
5461                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5462 }
5463
5464 /**
5465  * Get the DSCP field for outgoing audio streams.
5466  *
5467  * @ingroup network_parameters
5468  * The DSCP defines the quality of service in IP packets.
5469  *
5470 **/
5471 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5472         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5473 }
5474
5475 /**
5476  * Set the DSCP field for outgoing video streams.
5477  *
5478  * @ingroup network_parameters
5479  * The DSCP defines the quality of service in IP packets.
5480  *
5481 **/
5482 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5483         if (linphone_core_ready(lc))
5484                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5485
5486 }
5487
5488 /**
5489  * Get the DSCP field for outgoing video streams.
5490  *
5491  * @ingroup network_parameters
5492  * The DSCP defines the quality of service in IP packets.
5493  *
5494 **/
5495 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5496         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5497 }