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

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