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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <math.h>
  28 #include <ortp/telephonyevents.h>
  29 #include <ortp/zrtp.h>
  30 #include "mediastreamer2/mediastream.h"
  31 #include "mediastreamer2/mseventqueue.h"
  32 #include "mediastreamer2/msvolume.h"
  33 #include "mediastreamer2/msequalizer.h"
  34 #include "mediastreamer2/dtmfgen.h"
  35
  36 #ifdef INET6
  37 #ifndef WIN32
  38 #include <netdb.h>
  39 #endif
  40 #endif
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #include "liblinphone_gitversion.h"
  45 #else
  46 #ifndef LIBLINPHONE_GIT_VERSION
  47 #define LIBLINPHONE_GIT_VERSION "unknown"
  48 #endif
  49 #endif
  50
  51
  52 /*#define UNSTANDART_GSM_11K 1*/
  53
  54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  55
  56 static const char *liblinphone_version=
  57 #ifdef LIBLINPHONE_GIT_VERSION
  58         LIBLINPHONE_GIT_VERSION
  59 #else
  60         LIBLINPHONE_VERSION
  61 #endif
  62 ;
  63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  64 static void linphone_core_run_hooks(LinphoneCore *lc);
  65 static void linphone_core_free_hooks(LinphoneCore *lc);
  66
  67 #include "enum.h"
  68 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  69 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  71
  72 /* relative path where is stored local ring*/
  73 #define LOCAL_RING "rings/oldphone.wav"
  74 /* same for remote ring (ringback)*/
  75 #define REMOTE_RING "ringback.wav"
  76 #define HOLD_MUSIC "rings/toy-mono.wav"
  77
  78
  79 extern SalCallbacks linphone_sal_callbacks;
  80
  81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  82 {
  83   obj->_func=func;
  84   obj->_user_data=ud;
  85 }
  86
  87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  89         return 0;
  90 }
  91
  92
  93 /*prevent a gcc bug with %c*/
  94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  95 #if !defined(_WIN32_WCE)
  96         return strftime(s, max, fmt, tm);
  97 #else
  98         return 0;
  99         /*FIXME*/
 100 #endif /*_WIN32_WCE*/
 101 }
 102
 103 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
 104         struct tm loctime;
 105 #ifdef WIN32
 106 #if !defined(_WIN32_WCE)
 107         loctime=*localtime(&start_time);
 108         /*FIXME*/
 109 #endif /*_WIN32_WCE*/
 110 #else
 111         localtime_r(&start_time,&loctime);
 112 #endif
 113         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 114 }
 115
 116 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 117         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 118         cl->dir=call->dir;
 119         cl->start_date_time=call->start_time;
 120         set_call_log_date(cl,cl->start_date_time);
 121         cl->from=from;
 122         cl->to=to;
 123     cl->status=LinphoneCallAborted; /*default status*/
 124         return cl;
 125 }
 126
 127 void call_logs_write_to_config_file(LinphoneCore *lc){
 128         MSList *elem;
 129         char logsection[32];
 130         int i;
 131         char *tmp;
 132         LpConfig *cfg=lc->config;
 133
 134         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 135
 136         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 137                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 138                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 139                 lp_config_clean_section(cfg,logsection);
 140                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 141                 lp_config_set_int(cfg,logsection,"status",cl->status);
 142                 tmp=linphone_address_as_string(cl->from);
 143                 lp_config_set_string(cfg,logsection,"from",tmp);
 144                 ms_free(tmp);
 145                 tmp=linphone_address_as_string(cl->to);
 146                 lp_config_set_string(cfg,logsection,"to",tmp);
 147                 ms_free(tmp);
 148                 if (cl->start_date_time)
 149                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 150                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 151                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 152                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 153                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 154                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 155                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 156         }
 157         for(;i<lc->max_call_logs;++i){
 158                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 159                 lp_config_clean_section(cfg,logsection);
 160         }
 161 }
 162
 163 static time_t string_to_time(const char *date){
 164 #ifndef WIN32
 165         struct tm tmtime={0};
 166         strptime(date,"%c",&tmtime);
 167         return mktime(&tmtime);
 168 #else
 169         return 0;
 170 #endif
 171 }
 172
 173 static void call_logs_read_from_config_file(LinphoneCore *lc){
 174         char logsection[32];
 175         int i;
 176         const char *tmp;
 177         uint64_t sec;
 178         LpConfig *cfg=lc->config;
 179         for(i=0;;++i){
 180                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 181                 if (lp_config_has_section(cfg,logsection)){
 182                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 183                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 184                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 185                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 186                         if (tmp) cl->from=linphone_address_new(tmp);
 187                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 188                         if (tmp) cl->to=linphone_address_new(tmp);
 189                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 190                         if (sec) {
 191                                 /*new call log format with date expressed in seconds */
 192                                 cl->start_date_time=(time_t)sec;
 193                                 set_call_log_date(cl,cl->start_date_time);
 194                         }else{
 195                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 196                                 if (tmp) {
 197                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 198                                         cl->start_date_time=string_to_time(cl->start_date);
 199                                 }
 200                         }
 201                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 202                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 203                         if (tmp) cl->refkey=ms_strdup(tmp);
 204                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 205                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 206                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 207                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 208                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 209                 }else break;
 210         }
 211 }
 212
 213
 214
 215 /**
 216  * @addtogroup call_logs
 217  * @{
 218 **/
 219
 220 /**
 221  * Returns a human readable string describing the call.
 222  *
 223  * @note: the returned char* must be freed by the application (use ms_free()).
 224 **/
 225 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 226         char *status;
 227         char *tmp;
 228         char *from=linphone_address_as_string (cl->from);
 229         char *to=linphone_address_as_string (cl->to);
 230         switch(cl->status){
 231                 case LinphoneCallAborted:
 232                         status=_("aborted");
 233                         break;
 234                 case LinphoneCallSuccess:
 235                         status=_("completed");
 236                         break;
 237                 case LinphoneCallMissed:
 238                         status=_("missed");
 239                         break;
 240                 default:
 241                         status="unknown";
 242         }
 243         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 244                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 245                         cl->start_date,
 246                         from,
 247                         to,
 248                         status,
 249                         cl->duration/60,
 250                         cl->duration%60);
 251         ms_free(from);
 252         ms_free(to);
 253         return tmp;
 254 }
 255
 256 /**
 257  * Returns RTP statistics computed locally regarding the call.
 258  *
 259 **/
 260 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 261         return &cl->local_stats;
 262 }
 263
 264 /**
 265  * Returns RTP statistics computed by remote end and sent back via RTCP.
 266  *
 267  * @note Not implemented yet.
 268 **/
 269 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 270         return &cl->remote_stats;
 271 }
 272
 273 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 274         cl->user_pointer=up;
 275 }
 276
 277 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 278         return cl->user_pointer;
 279 }
 280
 281
 282
 283 /**
 284  * Associate a persistent reference key to the call log.
 285  *
 286  * The reference key can be for example an id to an external database.
 287  * It is stored in the config file, thus can survive to process exits/restarts.
 288  *
 289 **/
 290 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 291         if (cl->refkey!=NULL){
 292                 ms_free(cl->refkey);
 293                 cl->refkey=NULL;
 294         }
 295         if (refkey) cl->refkey=ms_strdup(refkey);
 296 }
 297
 298 /**
 299  * Get the persistent reference key associated to the call log.
 300  *
 301  * The reference key can be for example an id to an external database.
 302  * It is stored in the config file, thus can survive to process exits/restarts.
 303  *
 304 **/
 305 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 306         return cl->refkey;
 307 }
 308
 309 /** @} */
 310
 311 void linphone_call_log_destroy(LinphoneCallLog *cl){
 312         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 313         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 314         if (cl->refkey!=NULL) ms_free(cl->refkey);
 315         if (cl->call_id) ms_free((void*)cl->call_id);
 316         ms_free(cl);
 317 }
 318
 319 /**
 320  * Returns TRUE if the LinphoneCall asked to autoanswer
 321  *
 322 **/
 323 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 324         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 325         if(call)
 326                 return sal_call_autoanswer_asked(call->op);
 327         else
 328                 return FALSE;
 329 }
 330
 331 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 332         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 333         if (call)  return linphone_call_get_duration(call);
 334         return -1;
 335 }
 336
 337 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 338         LinphoneCall *call=linphone_core_get_current_call(lc);
 339         if (call==NULL) return NULL;
 340         return linphone_call_get_remote_address(call);
 341 }
 342
 343 /**
 344  * Enable logs in supplied FILE*.
 345  *
 346  * @ingroup misc
 347  *
 348  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 349  *
 350 **/
 351 void linphone_core_enable_logs(FILE *file){
 352         if (file==NULL) file=stdout;
 353         ortp_set_log_file(file);
 354         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 355 }
 356
 357 /**
 358  * Enable logs through the user's supplied log callback.
 359  *
 360  * @ingroup misc
 361  *
 362  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 363  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 364  *
 365 **/
 366 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 367         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 368         ortp_set_log_handler(logfunc);
 369 }
 370
 371 /**
 372  * Entirely disable logging.
 373  *
 374  * @ingroup misc
 375 **/
 376 void linphone_core_disable_logs(){
 377         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 378 }
 379
 380
 381 static void net_config_read (LinphoneCore *lc)
 382 {
 383         int tmp;
 384         const char *tmpstr;
 385         LpConfig *config=lc->config;
 386
 387         lc->net_conf.nat_address_ip = NULL;
 388         tmp=lp_config_get_int(config,"net","download_bw",0);
 389         linphone_core_set_download_bandwidth(lc,tmp);
 390         tmp=lp_config_get_int(config,"net","upload_bw",0);
 391         linphone_core_set_upload_bandwidth(lc,tmp);
 392         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 393         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 394         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 395         linphone_core_set_nat_address(lc,tmpstr);
 396         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 397         linphone_core_set_firewall_policy(lc,tmp);
 398         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 399         lc->net_conf.nat_sdp_only=tmp;
 400         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 401         linphone_core_set_mtu(lc,tmp);
 402         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 403         linphone_core_set_download_ptime(lc,tmp);
 404
 405 }
 406
 407 static void build_sound_devices_table(LinphoneCore *lc){
 408         const char **devices;
 409         const char **old;
 410         int ndev;
 411         int i;
 412         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 413         ndev=ms_list_size(elem);
 414         devices=ms_malloc((ndev+1)*sizeof(const char *));
 415         for (i=0;elem!=NULL;elem=elem->next,i++){
 416                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 417         }
 418         devices[ndev]=NULL;
 419         old=lc->sound_conf.cards;
 420         lc->sound_conf.cards=devices;
 421         if (old!=NULL) ms_free(old);
 422 }
 423
 424 static void sound_config_read(LinphoneCore *lc)
 425 {
 426         int tmp;
 427         const char *tmpbuf;
 428         const char *devid;
 429 #ifdef __linux
 430         /*alsadev let the user use custom alsa device within linphone*/
 431         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 432         if (devid){
 433                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 434                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 435         }
 436         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 437         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 438 #endif
 439         /* retrieve all sound devices */
 440         build_sound_devices_table(lc);
 441
 442         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 443         linphone_core_set_playback_device(lc,devid);
 444
 445         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 446         linphone_core_set_ringer_device(lc,devid);
 447
 448         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 449         linphone_core_set_capture_device(lc,devid);
 450
 451 /*
 452         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 453         linphone_core_set_play_level(lc,tmp);
 454         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 455         linphone_core_set_ring_level(lc,tmp);
 456         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 457         linphone_core_set_rec_level(lc,tmp);
 458         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 459         linphone_core_set_sound_source(lc,tmpbuf[0]);
 460 */
 461
 462         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 463         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 464         if (ortp_file_exist(tmpbuf)==-1) {
 465                 ms_warning("%s does not exist",tmpbuf);
 466                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 467         }
 468         if (strstr(tmpbuf,".wav")==NULL){
 469                 /* it currently uses old sound files, so replace them */
 470                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 471         }
 472         linphone_core_set_ring(lc,tmpbuf);
 473
 474         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 475         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 476         if (ortp_file_exist(tmpbuf)==-1){
 477                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 478         }
 479         if (strstr(tmpbuf,".wav")==NULL){
 480                 /* it currently uses old sound files, so replace them */
 481                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 482         }
 483         linphone_core_set_ringback(lc,tmpbuf);
 484
 485         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 486         check_sound_device(lc);
 487         lc->sound_conf.latency=0;
 488 #ifndef __ios
 489     tmp=TRUE;
 490 #else
 491     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 492 #endif
 493     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 494         linphone_core_enable_echo_cancellation(lc,tmp);
 495         linphone_core_enable_echo_limiter(lc,
 496                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 497         linphone_core_enable_agc(lc,
 498                 lp_config_get_int(lc->config,"sound","agc",0));
 499
 500         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 501         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 502
 503         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 504
 505         /*just parse requested stream feature once at start to print out eventual errors*/
 506         linphone_core_get_audio_features(lc);
 507 }
 508
 509 static void sip_config_read(LinphoneCore *lc)
 510 {
 511         char *contact;
 512         const char *tmpstr;
 513         LCSipTransports tr;
 514         int i,tmp;
 515         int ipv6;
 516         int random_port;
 517
 518         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 519         linphone_core_set_use_info_for_dtmf(lc,tmp);
 520
 521         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 522                 sal_use_session_timers(lc->sal,200);
 523         }
 524
 525         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 526         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 527         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 528         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 529
 530         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 531         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 532
 533         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 534         if (ipv6==-1){
 535                 ipv6=0;
 536         }
 537         linphone_core_enable_ipv6(lc,ipv6);
 538         memset(&tr,0,sizeof(tr));
 539
 540         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 541         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 542         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 543
 544         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 545                 random_port=(0xDFFF&random())+1024;
 546         else random_port=0;
 547
 548         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 549                 tr.udp_port=5060;
 550         }
 551
 552         if (tr.udp_port>0 && random_port){
 553                 tr.udp_port=random_port;
 554                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 555         }else if (tr.tcp_port>0 && random_port){
 556                 tr.tcp_port=random_port;
 557                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 558         }else if (tr.tls_port>0 && random_port){
 559                 tr.tls_port=random_port;
 560                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 561         }
 562
 563 #ifdef __linux
 564         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 565 #else
 566         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 567 #endif
 568         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 569         /*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(const char *name, const char *ver){
1675         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1676         strncpy(_ua_version,ver,sizeof(_ua_version));
1677 }
1678
1679 const char *linphone_core_get_user_agent_name(void){
1680         return _ua_name;
1681 }
1682
1683 const char *linphone_core_get_user_agent_version(void){
1684         return _ua_version;
1685 }
1686
1687 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1688         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1689         ms_warning("%s",msg);
1690         if (lc->vtable.display_warning)
1691                 lc->vtable.display_warning(lc,msg);
1692         ms_free(msg);
1693 }
1694
1695 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1696         return
1697                 tr2->udp_port==tr1->udp_port &&
1698                 tr2->tcp_port==tr1->tcp_port &&
1699                 tr2->dtls_port==tr1->dtls_port &&
1700                 tr2->tls_port==tr1->tls_port;
1701 }
1702
1703 static int apply_transports(LinphoneCore *lc){
1704         Sal *sal=lc->sal;
1705         const char *anyaddr;
1706         LCSipTransports *tr=&lc->sip_conf.transports;
1707
1708         /*first of all invalidate all current registrations so that we can register again with new transports*/
1709         __linphone_core_invalidate_registers(lc);
1710
1711         if (lc->sip_conf.ipv6_enabled)
1712                 anyaddr="::0";
1713         else
1714                 anyaddr="0.0.0.0";
1715
1716         sal_unlisten_ports(sal);
1717         if (tr->udp_port>0){
1718                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1719                         transport_error(lc,"udp",tr->udp_port);
1720                         return -1;
1721                 }
1722         }
1723         if (tr->tcp_port>0){
1724                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1725                         transport_error(lc,"tcp",tr->tcp_port);
1726                 }
1727         }
1728         if (tr->tls_port>0){
1729                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1730                         transport_error(lc,"tls",tr->tls_port);
1731                 }
1732         }
1733         apply_user_agent(lc);
1734         return 0;
1735 }
1736
1737 /**
1738  * Sets the ports to be used for each of transport (UDP or TCP)
1739  *
1740  * A zero value port for a given transport means the transport
1741  * is not used.
1742  *
1743  * @ingroup network_parameters
1744 **/
1745 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1746
1747         if (transports_unchanged(tr,&lc->sip_conf.transports))
1748                 return 0;
1749         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1750
1751         if (linphone_core_ready(lc)){
1752                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1753                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1754                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1755         }
1756
1757         if (lc->sal==NULL) return 0;
1758         return apply_transports(lc);
1759 }
1760
1761 /**
1762  * Retrieves the ports used for each transport (udp, tcp).
1763  * A zero value port for a given transport means the transport
1764  * is not used.
1765  * @ingroup network_parameters
1766 **/
1767 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1768         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1769         return 0;
1770 }
1771
1772 /**
1773  * Sets the UDP port to be used by SIP.
1774  *
1775  * Deprecated: use linphone_core_set_sip_transports() instead.
1776  * @ingroup network_parameters
1777 **/
1778 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1779 {
1780         LCSipTransports tr;
1781         memset(&tr,0,sizeof(tr));
1782         tr.udp_port=port;
1783         linphone_core_set_sip_transports (lc,&tr);
1784 }
1785
1786 /**
1787  * Returns TRUE if IPv6 is enabled.
1788  *
1789  * @ingroup network_parameters
1790  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1791 **/
1792 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1793         return lc->sip_conf.ipv6_enabled;
1794 }
1795
1796 /**
1797  * Turns IPv6 support on or off.
1798  *
1799  * @ingroup network_parameters
1800  *
1801  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1802  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1803  * By default IPv6 support is off.
1804 **/
1805 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1806         if (lc->sip_conf.ipv6_enabled!=val){
1807                 lc->sip_conf.ipv6_enabled=val;
1808                 if (lc->sal){
1809                         /* we need to restart eXosip */
1810                         apply_transports(lc);
1811                 }
1812         }
1813 }
1814
1815
1816 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1817         char result[LINPHONE_IPADDR_SIZE];
1818         bool_t new_status=lc->network_last_status;
1819
1820         /* only do the network up checking every five seconds */
1821         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1822                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1823                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1824                         new_status=TRUE;
1825                 }else new_status=FALSE;
1826                 lc->network_last_check=curtime;
1827                 if (new_status!=lc->network_last_status) {
1828                         if (new_status){
1829                                 ms_message("New local ip address is %s",result);
1830                         }
1831                         set_network_reachable(lc,new_status, curtime);
1832                         lc->network_last_status=new_status;
1833                 }
1834         }
1835 }
1836
1837 static void proxy_update(LinphoneCore *lc){
1838         MSList *elem,*next;
1839         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1840         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1841                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1842                 next=elem->next;
1843                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1844                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1845                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1846                         linphone_proxy_config_destroy(cfg);
1847                 }
1848         }
1849 }
1850
1851 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1852         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1853         if (lf!=NULL){
1854                 lf->info=info;
1855                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1856                 if (lc->vtable.buddy_info_updated)
1857                         lc->vtable.buddy_info_updated(lc,lf);
1858         }else{
1859                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1860         }
1861 }
1862
1863 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1864         MSList *elem;
1865         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1866         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1867                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1868                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1869                         if (req->results!=NULL){
1870                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1871                                 ms_list_free(req->results);
1872                                 req->results=NULL;
1873                                 assign_buddy_info(lc,i);
1874                         }
1875                         sip_setup_context_buddy_lookup_free(ctx,req);
1876                         elem->data=NULL;
1877                 }
1878         }
1879         /*purge completed requests */
1880         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1881                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1882         }
1883 }
1884
1885 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1886         const MSList *elem;
1887         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1888         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1889                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1890                 if (lf->info==NULL){
1891                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1892                                 if (linphone_address_get_username(lf->uri)!=NULL){
1893                                         BuddyLookupRequest *req;
1894                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1895                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1896                                         buddy_lookup_request_set_key(req,tmp);
1897                                         buddy_lookup_request_set_max_results(req,1);
1898                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1899                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1900                                         ms_free(tmp);
1901                                 }
1902                         }
1903                 }
1904         }
1905 }
1906
1907 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1908         LinphoneProxyConfig *cfg=NULL;
1909         linphone_core_get_default_proxy(lc,&cfg);
1910         if (cfg){
1911                 if (lc->bl_refresh){
1912                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1913                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1914                                 linphone_core_grab_buddy_infos(lc,cfg);
1915                                 lc->bl_refresh=FALSE;
1916                         }
1917                 }
1918                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1919         }
1920 }
1921
1922 /**
1923  * Main loop function. It is crucial that your application call it periodically.
1924  *
1925  * @ingroup initializing
1926  * linphone_core_iterate() performs various backgrounds tasks:
1927  * - receiving of SIP messages
1928  * - handles timers and timeout
1929  * - performs registration to proxies
1930  * - authentication retries
1931  * The application MUST call this function periodically, in its main loop.
1932  * Be careful that this function must be called from the same thread as
1933  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1934  * serialized with a mutex.
1935 **/
1936 void linphone_core_iterate(LinphoneCore *lc){
1937         MSList *calls;
1938         LinphoneCall *call;
1939         time_t curtime=time(NULL);
1940         int elapsed;
1941         bool_t one_second_elapsed=FALSE;
1942
1943         if (curtime-lc->prevtime>=1){
1944                 lc->prevtime=curtime;
1945                 one_second_elapsed=TRUE;
1946         }
1947
1948         if (lc->ecc!=NULL){
1949                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1950                 if (ecs!=LinphoneEcCalibratorInProgress){
1951                         if (lc->ecc->cb)
1952                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1953                         if (ecs==LinphoneEcCalibratorDone){
1954                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1955                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1956                         } else if (ecs == LinphoneEcCalibratorFailed) {
1957                                 lp_config_set_int(lc->config, "sound", "ec_delay", LP_CONFIG_DEFAULT_INT(lc->config, "ec_delay", 250));
1958                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
1959                                 linphone_core_enable_echo_cancellation(lc, FALSE);
1960                         }
1961                         ec_calibrator_destroy(lc->ecc);
1962                         lc->ecc=NULL;
1963                 }
1964         }
1965
1966         if (lc->preview_finished){
1967                 lc->preview_finished=0;
1968                 ring_stop(lc->ringstream);
1969                 lc->ringstream=NULL;
1970                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1971         }
1972
1973         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1974             && (curtime-lc->dmfs_playing_start_time)>5){
1975                 ring_stop(lc->ringstream);
1976                 lc->ringstream=NULL;
1977                 lc->dmfs_playing_start_time=0;
1978         }
1979
1980         sal_iterate(lc->sal);
1981         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1982         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1983
1984         proxy_update(lc);
1985
1986         //we have to iterate for each call
1987         calls= lc->calls;
1988         while(calls!= NULL){
1989                 call = (LinphoneCall *)calls->data;
1990                 elapsed = curtime-call->start_time;
1991                  /* get immediately a reference to next one in case the one
1992                  we are going to examine is destroy and removed during
1993                  linphone_core_start_invite() */
1994                 calls=calls->next;
1995                 linphone_call_background_tasks(call,one_second_elapsed);
1996                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1997                         /*start the call even if the OPTIONS reply did not arrive*/
1998                         if (call->ice_session != NULL) {
1999                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2000                                                 ,linphone_core_get_stun_server(lc));
2001                                 linphone_call_delete_ice_session(call);
2002                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2003                         }
2004                         linphone_core_start_invite(lc,call);
2005                 }
2006                 if (call->state==LinphoneCallIncomingReceived){
2007                         ms_message("incoming call ringing for %i seconds",elapsed);
2008                         if (elapsed>lc->sip_conf.inc_timeout){
2009                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2010                                 call->log->status=LinphoneCallMissed;
2011                                 call->reason=LinphoneReasonNotAnswered;
2012                                 linphone_core_terminate_call(lc,call);
2013                         }
2014                 }
2015                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2016                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2017                         linphone_core_terminate_call(lc,call);
2018                 }
2019         }
2020
2021         if (linphone_core_video_preview_enabled(lc)){
2022                 if (lc->previewstream==NULL && lc->calls==NULL)
2023                         toggle_video_preview(lc,TRUE);
2024 #ifdef VIDEO_ENABLED
2025                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2026 #endif
2027         }else{
2028                 if (lc->previewstream!=NULL)
2029                         toggle_video_preview(lc,FALSE);
2030         }
2031
2032         linphone_core_run_hooks(lc);
2033         linphone_core_do_plugin_tasks(lc);
2034
2035         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2036             (curtime-lc->netup_time)>3){
2037                 linphone_core_send_initial_subscribes(lc);
2038                 lc->initial_subscribes_sent=TRUE;
2039         }
2040
2041         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2042                 lp_config_sync(lc->config);
2043         }
2044 }
2045
2046 /**
2047  * Interpret a call destination as supplied by the user, and returns a fully qualified
2048  * LinphoneAddress.
2049  *
2050  * A sip address should look like DisplayName <sip:username@domain:port> .
2051  * Basically this function performs the following tasks
2052  * - if a phone number is entered, prepend country prefix of the default proxy
2053  *   configuration, eventually escape the '+' by 00.
2054  * - if no domain part is supplied, append the domain name of the default proxy
2055  * - if no sip: is present, prepend it
2056  *
2057  * The result is a syntaxically correct SIP address.
2058 **/
2059
2060 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2061         enum_lookup_res_t *enumres=NULL;
2062         char *enum_domain=NULL;
2063         LinphoneProxyConfig *proxy=lc->default_proxy;;
2064         char *tmpurl;
2065         LinphoneAddress *uri;
2066
2067         if (is_enum(url,&enum_domain)){
2068                 if (lc->vtable.display_status!=NULL)
2069                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2070                 if (enum_lookup(enum_domain,&enumres)<0){
2071                         if (lc->vtable.display_status!=NULL)
2072                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2073                         ms_free(enum_domain);
2074                         return NULL;
2075                 }
2076                 ms_free(enum_domain);
2077                 tmpurl=enumres->sip_address[0];
2078                 uri=linphone_address_new(tmpurl);
2079                 enum_lookup_res_free(enumres);
2080                 return uri;
2081         }
2082         /* check if we have a "sip:" */
2083         if (strstr(url,"sip:")==NULL){
2084                 /* this doesn't look like a true sip uri */
2085                 if (strchr(url,'@')!=NULL){
2086                         /* seems like sip: is missing !*/
2087                         tmpurl=ms_strdup_printf("sip:%s",url);
2088                         uri=linphone_address_new(tmpurl);
2089                         ms_free(tmpurl);
2090                         if (uri){
2091                                 return uri;
2092                         }
2093                 }
2094
2095                 if (proxy!=NULL){
2096                         /* append the proxy domain suffix */
2097                         const char *identity=linphone_proxy_config_get_identity(proxy);
2098                         char normalized_username[128];
2099                         uri=linphone_address_new(identity);
2100                         if (uri==NULL){
2101                                 return NULL;
2102                         }
2103                         linphone_address_set_display_name(uri,NULL);
2104                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2105                                                                 sizeof(normalized_username));
2106                         linphone_address_set_username(uri,normalized_username);
2107                         return uri;
2108                 }else return NULL;
2109         }
2110         uri=linphone_address_new(url);
2111         if (uri!=NULL){
2112                 return uri;
2113         }
2114         /* else we could not do anything with url given by user, so display an error */
2115         if (lc->vtable.display_warning!=NULL){
2116                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2117         }
2118         return NULL;
2119 }
2120
2121 /**
2122  * Returns the default identity SIP address.
2123  *
2124  * @ingroup proxies
2125  * This is an helper function:
2126  *
2127  * If no default proxy is set, this will return the primary contact (
2128  * see linphone_core_get_primary_contact() ). If a default proxy is set
2129  * it returns the registered identity on the proxy.
2130 **/
2131 const char * linphone_core_get_identity(LinphoneCore *lc){
2132         LinphoneProxyConfig *proxy=NULL;
2133         const char *from;
2134         linphone_core_get_default_proxy(lc,&proxy);
2135         if (proxy!=NULL) {
2136                 from=linphone_proxy_config_get_identity(proxy);
2137         }else from=linphone_core_get_primary_contact(lc);
2138         return from;
2139 }
2140
2141 const char * linphone_core_get_route(LinphoneCore *lc){
2142         LinphoneProxyConfig *proxy=NULL;
2143         const char *route=NULL;
2144         linphone_core_get_default_proxy(lc,&proxy);
2145         if (proxy!=NULL) {
2146                 route=linphone_proxy_config_get_route(proxy);
2147         }
2148         return route;
2149 }
2150
2151 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2152         if (call->refer_pending){
2153                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2154                 LinphoneCall *newcall;
2155                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2156                 cp->referer=call;
2157                 ms_message("Starting new call to refered address %s",call->refer_to);
2158                 call->refer_pending=FALSE;
2159                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2160                 linphone_call_params_destroy(cp);
2161                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2162         }
2163 }
2164
2165 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2166         if (referer->op!=NULL){
2167                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2168         }
2169 }
2170
2171 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2172         const MSList *elem;
2173         LinphoneProxyConfig *found_cfg=NULL;
2174         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2175
2176         /*always prefer the default proxy if it is matching the destination uri*/
2177         if (default_cfg){
2178                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2179                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2180                         return default_cfg;
2181         }
2182
2183         /*otherwise iterate through the other proxy config and return the first matching*/
2184         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2185                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2186                 const char *domain=linphone_proxy_config_get_domain(cfg);
2187                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2188                         found_cfg=cfg;
2189                         break;
2190                 }
2191         }
2192         return found_cfg;
2193 }
2194
2195 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2196         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2197         if (cfg==NULL)
2198                 linphone_core_get_default_proxy (lc,&cfg);
2199         if (cfg!=NULL){
2200                 if (route) *route=linphone_proxy_config_get_route(cfg);
2201                 return linphone_proxy_config_get_identity (cfg);
2202         }
2203         return linphone_core_get_primary_contact (lc);
2204 }
2205
2206 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2207         LinphoneAddress *ctt;
2208         const char *localip=call->localip;
2209
2210         /* first use user's supplied ip address if asked*/
2211         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2212                 ctt=linphone_core_get_primary_contact_parsed(lc);
2213                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2214                         linphone_core_get_nat_address_resolved(lc));
2215         }
2216
2217         /* if already choosed, don't change it */
2218         if (call->op && sal_op_get_contact(call->op)!=NULL){
2219                 return NULL;
2220         }
2221         /* if the ping OPTIONS request succeeded use the contact guessed from the
2222          received, rport*/
2223         if (call->ping_op){
2224                 const char *guessed=sal_op_get_contact(call->ping_op);
2225                 if (guessed){
2226                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2227                         return ms_strdup(guessed);
2228                 }
2229         }
2230
2231         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2232         if (dest_proxy && dest_proxy->op){
2233                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2234                 if (fixed_contact) {
2235                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2236                         return ms_strdup(fixed_contact);
2237                 }
2238         }
2239
2240         ctt=linphone_core_get_primary_contact_parsed(lc);
2241
2242         if (ctt!=NULL){
2243                 char *ret;
2244                 /*otherwise use supllied localip*/
2245                 linphone_address_set_domain(ctt,localip);
2246                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2247                 ret=linphone_address_as_string_uri_only(ctt);
2248                 linphone_address_destroy(ctt);
2249                 ms_message("Contact has been fixed using local ip to %s",ret);
2250                 return ret;
2251         }
2252         return NULL;
2253 }
2254
2255 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2256         bool_t ice_ready = FALSE;
2257         bool_t ping_ready = FALSE;
2258
2259         if (call->ice_session != NULL) {
2260                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2261         } else {
2262                 ice_ready = TRUE;
2263         }
2264         if (call->ping_op != NULL) {
2265                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2266         } else {
2267                 ping_ready = TRUE;
2268         }
2269
2270         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2271                 return linphone_core_start_invite(lc, call);
2272         }
2273         return 0;
2274 }
2275
2276 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2277         int err;
2278         char *contact;
2279         char *real_url,*barmsg;
2280         char *from;
2281         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2282
2283         /*try to be best-effort in giving real local or routable contact address */
2284         contact=get_fixed_contact(lc,call,dest_proxy);
2285         if (contact){
2286                 sal_op_set_contact(call->op, contact);
2287                 ms_free(contact);
2288         }
2289         linphone_core_stop_dtmf_stream(lc);
2290         linphone_call_init_media_streams(call);
2291         if (lc->ringstream==NULL)
2292                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2293         call->localdesc=create_local_media_description(lc,call);
2294         if (!lc->sip_conf.sdp_200_ack){
2295                 call->media_pending=TRUE;
2296                 sal_call_set_local_media_description(call->op,call->localdesc);
2297         }
2298         real_url=linphone_address_as_string(call->log->to);
2299         from=linphone_address_as_string(call->log->from);
2300         err=sal_call(call->op,from,real_url);
2301         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2302
2303         if (lc->sip_conf.sdp_200_ack){
2304                 call->media_pending=TRUE;
2305                 sal_call_set_local_media_description(call->op,call->localdesc);
2306         }
2307         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2308         if (lc->vtable.display_status!=NULL)
2309                 lc->vtable.display_status(lc,barmsg);
2310         ms_free(barmsg);
2311
2312         if (err<0){
2313                 if (lc->vtable.display_status!=NULL)
2314                         lc->vtable.display_status(lc,_("Could not call"));
2315                 linphone_call_stop_media_streams(call);
2316                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2317         }else {
2318                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2319         }
2320         ms_free(real_url);
2321         ms_free(from);
2322         return err;
2323 }
2324
2325 /**
2326  * Initiates an outgoing call
2327  *
2328  * @ingroup call_control
2329  * @param lc the LinphoneCore object
2330  * @param url the destination of the call (sip address, or phone number).
2331  *
2332  * The application doesn't own a reference to the returned LinphoneCall object.
2333  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2334  *
2335  * @return a LinphoneCall object or NULL in case of failure
2336 **/
2337 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2338         LinphoneCall *call;
2339         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2340         p->has_video &= !!lc->video_policy.automatically_initiate;
2341         call=linphone_core_invite_with_params(lc,url,p);
2342         linphone_call_params_destroy(p);
2343         return call;
2344 }
2345
2346
2347 /**
2348  * Initiates an outgoing call according to supplied call parameters
2349  *
2350  * @ingroup call_control
2351  * @param lc the LinphoneCore object
2352  * @param url the destination of the call (sip address, or phone number).
2353  * @param p call parameters
2354  *
2355  * The application doesn't own a reference to the returned LinphoneCall object.
2356  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2357  *
2358  * @return a LinphoneCall object or NULL in case of failure
2359 **/
2360 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2361         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2362         if (addr){
2363                 LinphoneCall *call;
2364                 call=linphone_core_invite_address_with_params(lc,addr,p);
2365                 linphone_address_destroy(addr);
2366                 return call;
2367         }
2368         return NULL;
2369 }
2370
2371 /**
2372  * Initiates an outgoing call given a destination LinphoneAddress
2373  *
2374  * @ingroup call_control
2375  * @param lc the LinphoneCore object
2376  * @param addr the destination of the call (sip address).
2377  *
2378  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2379  * created by linphone_core_interpret_url().
2380  * The application doesn't own a reference to the returned LinphoneCall object.
2381  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2382  *
2383  * @return a LinphoneCall object or NULL in case of failure
2384 **/
2385 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2386         LinphoneCall *call;
2387         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2388         p->has_video &= !!lc->video_policy.automatically_initiate;
2389         call=linphone_core_invite_address_with_params (lc,addr,p);
2390         linphone_call_params_destroy(p);
2391         return call;
2392 }
2393
2394
2395 /**
2396  * Initiates an outgoing call given a destination LinphoneAddress
2397  *
2398  * @ingroup call_control
2399  * @param lc the LinphoneCore object
2400  * @param addr the destination of the call (sip address).
2401         @param params call parameters
2402  *
2403  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2404  * created by linphone_core_interpret_url().
2405  * The application doesn't own a reference to the returned LinphoneCall object.
2406  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2407  *
2408  * @return a LinphoneCall object or NULL in case of failure
2409 **/
2410 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2411 {
2412         const char *route=NULL;
2413         const char *from=NULL;
2414         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2415         LinphoneAddress *parsed_url2=NULL;
2416         char *real_url=NULL;
2417         LinphoneCall *call;
2418         bool_t use_ice = FALSE;
2419
2420         linphone_core_preempt_sound_resources(lc);
2421
2422         if(!linphone_core_can_we_add_call(lc)){
2423                 if (lc->vtable.display_warning)
2424                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2425                 return NULL;
2426         }
2427         linphone_core_get_default_proxy(lc,&proxy);
2428         route=linphone_core_get_route(lc);
2429
2430         real_url=linphone_address_as_string(addr);
2431         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2432
2433         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2434                 ms_message("Overriding default proxy setting for this call:");
2435                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2436         }
2437
2438         if (dest_proxy!=NULL)
2439                 from=linphone_proxy_config_get_identity(dest_proxy);
2440         else if (proxy!=NULL)
2441                 from=linphone_proxy_config_get_identity(proxy);
2442
2443         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2444         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2445
2446         parsed_url2=linphone_address_new(from);
2447
2448         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2449         call->dest_proxy=dest_proxy;
2450         sal_op_set_route(call->op,route);
2451
2452         if(linphone_core_add_call(lc,call)!= 0)
2453         {
2454                 ms_warning("we had a problem in adding the call into the invite ... weird");
2455                 linphone_call_unref(call);
2456                 return NULL;
2457         }
2458         /* this call becomes now the current one*/
2459         lc->current_call=call;
2460         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2461         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2462                 /* Defer the start of the call after the ICE gathering process. */
2463                 linphone_call_init_media_streams(call);
2464                 linphone_call_start_media_streams_for_ice_gathering(call);
2465                 call->start_time=time(NULL);
2466                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2467                         /* Ice candidates gathering failed, proceed with the call anyway. */
2468                         linphone_call_delete_ice_session(call);
2469                         linphone_call_stop_media_streams_for_ice_gathering(call);
2470                 } else {
2471                         use_ice = TRUE;
2472                 }
2473         }
2474
2475         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2476                 /*defer the start of the call after the OPTIONS ping*/
2477                 call->ping_replied=FALSE;
2478                 call->ping_op=sal_op_new(lc->sal);
2479                 sal_ping(call->ping_op,from,real_url);
2480                 sal_op_set_user_pointer(call->ping_op,call);
2481                 call->start_time=time(NULL);
2482         }else{
2483                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2484         }
2485
2486         if (real_url!=NULL) ms_free(real_url);
2487         return call;
2488 }
2489
2490 /**
2491  * Performs a simple call transfer to the specified destination.
2492  *
2493  * The remote endpoint is expected to issue a new call to the specified destination.
2494  * The current call remains active and thus can be later paused or terminated.
2495 **/
2496 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2497 {
2498         char *real_url=NULL;
2499         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2500
2501         if (!real_parsed_url){
2502                 /* bad url */
2503                 return -1;
2504         }
2505         if (call==NULL){
2506                 ms_warning("No established call to refer.");
2507                 return -1;
2508         }
2509         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2510         real_url=linphone_address_as_string (real_parsed_url);
2511         sal_call_refer(call->op,real_url);
2512         ms_free(real_url);
2513         linphone_address_destroy(real_parsed_url);
2514         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2515         return 0;
2516 }
2517
2518 /**
2519  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2520  * @param lc linphone core object
2521  * @param call a running call you want to transfer
2522  * @param dest a running call whose remote person will receive the transfer
2523  *
2524  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2525  * The destination call is a call previously established to introduce the transfered person.
2526  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2527  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2528  * close the call with us (the 'dest' call).
2529 **/
2530 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2531         int result = sal_call_refer_with_replaces (call->op,dest->op);
2532         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2533         return result;
2534 }
2535
2536 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2537         LinphoneCall *call = linphone_core_get_current_call(lc);
2538         if(call != NULL)
2539         {
2540                 if(call->dir==LinphoneCallIncoming
2541                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2542                         return TRUE;
2543         }
2544         return FALSE;
2545 }
2546
2547 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2548         char *barmesg;
2549         char *tmp;
2550         LinphoneAddress *from_parsed;
2551         SalMediaDescription *md;
2552         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2553         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2554
2555         call->localdesc=create_local_media_description(lc,call);
2556         sal_call_set_local_media_description(call->op,call->localdesc);
2557         md=sal_call_get_final_media_description(call->op);
2558         if (md && sal_media_description_empty(md)){
2559                 sal_call_decline(call->op,SalReasonMedia,NULL);
2560                 linphone_call_unref(call);
2561                 return;
2562         }
2563
2564         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2565         linphone_address_clean(from_parsed);
2566         tmp=linphone_address_as_string(from_parsed);
2567         linphone_address_destroy(from_parsed);
2568         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2569             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2570         if (lc->vtable.show) lc->vtable.show(lc);
2571         if (lc->vtable.display_status)
2572             lc->vtable.display_status(lc,barmesg);
2573
2574         /* play the ring if this is the only call*/
2575         if (ms_list_size(lc->calls)==1){
2576                 lc->current_call=call;
2577                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2578                         ring_stop(lc->ringstream);
2579                         lc->ringstream=NULL;
2580                         lc->dmfs_playing_start_time=0;
2581                 }
2582                 if (lc->sound_conf.ring_sndcard!=NULL){
2583                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2584                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2585                                 ms_message("Starting local ring...");
2586                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2587                         }
2588                         else
2589                         {
2590                                 ms_message("the local ring is already started");
2591                         }
2592                 }
2593         }else{
2594                 /* else play a tone within the context of the current call */
2595                 call->ringing_beep=TRUE;
2596                 linphone_core_play_tone(lc);
2597         }
2598
2599         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2600
2601         if (call->state==LinphoneCallIncomingReceived){
2602                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2603
2604                 if (propose_early_media || ringback_tone!=NULL){
2605                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2606                         md=sal_call_get_final_media_description(call->op);
2607                         linphone_core_update_streams(lc,call,md);
2608                 }
2609                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2610                         linphone_core_accept_call(lc,call);
2611                 }
2612         }
2613         linphone_call_unref(call);
2614
2615         ms_free(barmesg);
2616         ms_free(tmp);
2617 }
2618
2619 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2620         const char *subject;
2621         call->camera_active=call->params.has_video;
2622         if (call->ice_session != NULL)
2623                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2624
2625         if (call->params.in_conference){
2626                 subject="Conference";
2627         }else{
2628                 subject="Media change";
2629         }
2630         if (lc->vtable.display_status)
2631                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2632         sal_call_set_local_media_description (call->op,call->localdesc);
2633         return sal_call_update(call->op,subject);
2634 }
2635
2636 /**
2637  * @ingroup call_control
2638  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2639  *
2640  * In this version this is limited to the following use cases:
2641  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2642  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2643  *
2644  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2645  * @param lc the core
2646  * @param call the call to be updated
2647  * @param params the new call parameters to use. (may be NULL)
2648  * @return 0 if successful, -1 otherwise.
2649 **/
2650 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2651         int err=0;
2652         if (params!=NULL){
2653                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2654 #ifdef VIDEO_ENABLED
2655                 bool_t has_video = call->params.has_video;
2656                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2657                         ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2658                         call->videostream->ice_check_list = NULL;
2659                 }
2660                 call->params = *params;
2661                 update_local_media_description(lc, call);
2662                 if ((call->ice_session != NULL) && !has_video && call->params.has_video) {
2663                         /* Defer call update until the ICE candidates gathering process has finished. */
2664                         ms_message("Defer call update to gather ICE candidates");
2665                         linphone_call_init_video_stream(call);
2666                         video_stream_prepare_video(call->videostream);
2667                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2668                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2669                                 linphone_call_delete_ice_session(call);
2670                         } else return err;
2671                 }
2672 #endif
2673                 err = linphone_core_start_update_call(lc, call);
2674         }else{
2675 #ifdef VIDEO_ENABLED
2676                 if (call->videostream!=NULL){
2677                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2678                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2679                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2680                         }else video_stream_update_video_params(call->videostream);
2681                 }
2682 #endif
2683         }
2684
2685         return err;
2686 }
2687
2688 /**
2689  * @ingroup call_control
2690  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2691  *
2692  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2693  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2694  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2695  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2696  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2697  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2698  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2699  *
2700  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2701 **/
2702 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2703         if (call->state==LinphoneCallUpdatedByRemote){
2704                 call->defer_update=TRUE;
2705                 return 0;
2706         }
2707         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2708         return -1;
2709 }
2710
2711 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2712         SalMediaDescription *md;
2713         if (call->ice_session != NULL) {
2714                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2715                         /* Defer the sending of the answer until there are no losing pairs left. */
2716                         return 0;
2717                 }
2718                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2719         }
2720         sal_call_set_local_media_description(call->op,call->localdesc);
2721         sal_call_accept(call->op);
2722         md=sal_call_get_final_media_description(call->op);
2723         if (md && !sal_media_description_empty(md))
2724                 linphone_core_update_streams (lc,call,md);
2725         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2726         return 0;
2727 }
2728
2729 /**
2730  * @ingroup call_control
2731  * Accept call modifications initiated by other end.
2732  *
2733  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2734  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2735  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2736  * requested by the other party, such as whether a video stream is requested.
2737  *
2738  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2739  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2740  * If params is not NULL, then the update will be accepted according to the parameters passed.
2741  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2742  * (see linphone_call_params_enable_video()).
2743  * @param lc the linphone core object.
2744  * @param call the LinphoneCall object
2745  * @param params a LinphoneCallParams object describing the call parameters to accept.
2746  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2747 **/
2748 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2749 #ifdef VIDEO_ENABLED
2750         bool_t old_has_video = call->params.has_video;
2751 #endif
2752         if (call->state!=LinphoneCallUpdatedByRemote){
2753                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2754                          linphone_call_state_to_string(call->state));
2755                 return -1;
2756         }
2757         if (params==NULL){
2758                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2759         }else
2760                 call->params=*params;
2761
2762         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2763                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2764                 call->params.has_video=FALSE;
2765         }
2766         if (call->current_params.in_conference) {
2767                 ms_warning("Video isn't supported in conference");
2768                 call->params.has_video = FALSE;
2769         }
2770         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2771         call->camera_active=call->params.has_video;
2772         update_local_media_description(lc,call);
2773         if (call->ice_session != NULL) {
2774                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2775 #ifdef VIDEO_ENABLED
2776                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2777                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2778                                 linphone_call_init_video_stream(call);
2779                                 video_stream_prepare_video(call->videostream);
2780                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2781                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2782                                         linphone_call_delete_ice_session(call);
2783                                 } else return 0;
2784                         }
2785                 }
2786 #endif
2787         }
2788         linphone_core_start_accept_call_update(lc, call);
2789         return 0;
2790 }
2791
2792 /**
2793  * Accept an incoming call.
2794  *
2795  * @ingroup call_control
2796  * Basically the application is notified of incoming calls within the
2797  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2798  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2799  * The application can later accept the call using this method.
2800  * @param lc the LinphoneCore object
2801  * @param call the LinphoneCall object representing the call to be answered.
2802  *
2803 **/
2804 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2805         return linphone_core_accept_call_with_params(lc,call,NULL);
2806 }
2807
2808 /**
2809  * Accept an incoming call, with parameters.
2810  *
2811  * @ingroup call_control
2812  * Basically the application is notified of incoming calls within the
2813  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2814  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2815  * The application can later accept the call using
2816  * this method.
2817  * @param lc the LinphoneCore object
2818  * @param call the LinphoneCall object representing the call to be answered.
2819  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2820  *
2821 **/
2822 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2823 {
2824         LinphoneProxyConfig *cfg=NULL;
2825         const char *contact=NULL;
2826         SalOp *replaced;
2827         SalMediaDescription *new_md;
2828         bool_t was_ringing=FALSE;
2829
2830         if (call==NULL){
2831                 //if just one call is present answer the only one ...
2832                 if(linphone_core_get_calls_nb (lc) != 1)
2833                         return -1;
2834                 else
2835                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2836         }
2837
2838         if (call->state==LinphoneCallConnected){
2839                 /*call already accepted*/
2840                 return -1;
2841         }
2842
2843         /* check if this call is supposed to replace an already running one*/
2844         replaced=sal_call_get_replaces(call->op);
2845         if (replaced){
2846                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2847                 if (rc){
2848                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2849                                    call,rc);
2850                         linphone_core_terminate_call(lc,rc);
2851                 }
2852         }
2853
2854         if (lc->current_call!=call){
2855                 linphone_core_preempt_sound_resources(lc);
2856         }
2857
2858         /*stop ringing */
2859         if (lc->ringstream!=NULL) {
2860                 ms_message("stop ringing");
2861                 ring_stop(lc->ringstream);
2862                 ms_message("ring stopped");
2863                 lc->ringstream=NULL;
2864                 was_ringing=TRUE;
2865         }
2866         if (call->ringing_beep){
2867                 linphone_core_stop_dtmf(lc);
2868                 call->ringing_beep=FALSE;
2869         }
2870
2871         linphone_core_get_default_proxy(lc,&cfg);
2872         call->dest_proxy=cfg;
2873         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2874
2875         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2876                 ms_message("Overriding default proxy setting for this call:");
2877                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2878         }
2879         /*try to be best-effort in giving real local or routable contact address*/
2880         contact=get_fixed_contact(lc,call,call->dest_proxy);
2881         if (contact)
2882                 sal_op_set_contact(call->op,contact);
2883
2884         if (params){
2885                 call->params=*params;
2886                 call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2887                 call->camera_active=call->params.has_video;
2888                 update_local_media_description(lc,call);
2889                 sal_call_set_local_media_description(call->op,call->localdesc);
2890         }
2891
2892         if (call->audiostream==NULL)
2893                 linphone_call_init_media_streams(call);
2894         if (!was_ringing && call->audiostream->ticker==NULL){
2895                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2896         }
2897
2898         sal_call_accept(call->op);
2899         if (lc->vtable.display_status!=NULL)
2900                 lc->vtable.display_status(lc,_("Connected."));
2901         lc->current_call=call;
2902         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2903         new_md=sal_call_get_final_media_description(call->op);
2904         linphone_core_update_streams(lc, call, new_md);
2905         if (new_md){
2906                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2907         }else call->media_pending=TRUE;
2908
2909         ms_message("call answered.");
2910         return 0;
2911 }
2912
2913 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2914         sal_call_terminate(call->op);
2915
2916         /*stop ringing*/
2917         if (lc->ringstream!=NULL) {
2918                 ring_stop(lc->ringstream);
2919                 lc->ringstream=NULL;
2920         }
2921         linphone_call_stop_media_streams(call);
2922         if (lc->vtable.display_status!=NULL)
2923                 lc->vtable.display_status(lc,_("Call aborted") );
2924         linphone_call_set_state(call,LinphoneCallError,error);
2925         return 0;
2926 }
2927
2928 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2929         if (call->state==LinphoneCallIncomingReceived){
2930                 if (call->reason!=LinphoneReasonNotAnswered)
2931                         call->reason=LinphoneReasonDeclined;
2932         }
2933         /*stop ringing*/
2934         if (lc->ringstream!=NULL) {
2935                 ring_stop(lc->ringstream);
2936                 lc->ringstream=NULL;
2937         }
2938
2939         linphone_call_stop_media_streams(call);
2940         if (lc->vtable.display_status!=NULL)
2941                 lc->vtable.display_status(lc,_("Call ended") );
2942         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2943 }
2944
2945 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2946         if (call->state==LinphoneCallIncomingReceived){
2947                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2948                 call->reason=LinphoneReasonDeclined;
2949                 terminate_call(lc,call);
2950         }else{
2951                 ms_error("Bad state for call redirection.");
2952                 return -1;
2953     }
2954         return 0;
2955 }
2956
2957
2958 /**
2959  * Terminates a call.
2960  *
2961  * @ingroup call_control
2962  * @param lc the LinphoneCore
2963  * @param the_call the LinphoneCall object representing the call to be terminated.
2964 **/
2965 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2966 {
2967         LinphoneCall *call;
2968         if (the_call == NULL){
2969                 call = linphone_core_get_current_call(lc);
2970                 if (ms_list_size(lc->calls)==1){
2971                         call=(LinphoneCall*)lc->calls->data;
2972                 }else{
2973                         ms_warning("No unique call to terminate !");
2974                         return -1;
2975                 }
2976         }
2977         else
2978         {
2979                 call = the_call;
2980         }
2981         sal_call_terminate(call->op);
2982         terminate_call(lc,call);
2983         return 0;
2984 }
2985
2986 /**
2987  * Decline a pending incoming call, with a reason.
2988  * @param lc the linphone core
2989  * @param call the LinphoneCall, must be in the IncomingReceived state.
2990  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
2991 **/
2992 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
2993         SalReason sal_reason=SalReasonUnknown;
2994         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
2995                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
2996                 return -1;
2997         }
2998         switch(reason){
2999                 case LinphoneReasonDeclined:
3000                         sal_reason=SalReasonDeclined;
3001                 break;
3002                 case LinphoneReasonBusy:
3003                         sal_reason=SalReasonBusy;
3004                 break;
3005                 default:
3006                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3007                         return -1;
3008                 break;
3009         }
3010         sal_call_decline(call->op,sal_reason,NULL);
3011         terminate_call(lc,call);
3012         return 0;
3013 }
3014
3015 /**
3016  * Terminates all the calls.
3017  *
3018  * @ingroup call_control
3019  * @param lc The LinphoneCore
3020 **/
3021 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3022         MSList *calls=lc->calls;
3023         while(calls) {
3024                 LinphoneCall *c=(LinphoneCall*)calls->data;
3025                 calls=calls->next;
3026                 linphone_core_terminate_call(lc,c);
3027         }
3028         return 0;
3029 }
3030
3031 /**
3032  * Returns the current list of calls.
3033  *
3034  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3035  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3036  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3037  *
3038  * @ingroup call_control
3039 **/
3040 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3041 {
3042         return lc->calls;
3043 }
3044
3045 /**
3046  * Returns TRUE if there is a call running.
3047  *
3048  * @ingroup call_control
3049 **/
3050 bool_t linphone_core_in_call(const LinphoneCore *lc){
3051         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3052 }
3053
3054 /**
3055  * Returns The _LinphoneCall struct of the current call if one is in call
3056  *
3057  * @ingroup call_control
3058 **/
3059 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3060 {
3061         return lc->current_call;
3062 }
3063
3064 /**
3065  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3066  * this file will be played to the remote user.
3067  *
3068  * @ingroup call_control
3069 **/
3070 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3071 {
3072         const char *subject=NULL;
3073
3074         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3075                 ms_warning("Cannot pause this call, it is not active.");
3076                 return -1;
3077         }
3078         update_local_media_description(lc,call);
3079         if (call->ice_session != NULL)
3080                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3081         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3082                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3083                 subject="Call on hold";
3084         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3085                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3086                 subject="Call on hold for me too";
3087         }else{
3088                 ms_error("No reason to pause this call, it is already paused or inactive.");
3089                 return -1;
3090         }
3091         sal_call_set_local_media_description(call->op,call->localdesc);
3092         if (sal_call_update(call->op,subject) != 0){
3093                 if (lc->vtable.display_warning)
3094                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3095         }
3096         lc->current_call=NULL;
3097         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3098         if (lc->vtable.display_status)
3099                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3100         if (call->audiostream || call->videostream)
3101                 linphone_call_stop_media_streams (call);
3102         return 0;
3103 }
3104
3105 /**
3106  * Pause all currently running calls.
3107 **/
3108 int linphone_core_pause_all_calls(LinphoneCore *lc){
3109         const MSList *elem;
3110         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3111                 LinphoneCall *call=(LinphoneCall *)elem->data;
3112                 LinphoneCallState cs=linphone_call_get_state(call);
3113                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3114                         linphone_core_pause_call(lc,call);
3115                 }
3116         }
3117         return 0;
3118 }
3119
3120 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3121         LinphoneCall *current_call;
3122         if (linphone_core_is_in_conference(lc)){
3123                 linphone_core_leave_conference(lc);
3124                 return;
3125         }
3126         current_call=linphone_core_get_current_call(lc);
3127         if(current_call != NULL){
3128                 ms_message("Pausing automatically the current call.");
3129                 linphone_core_pause_call(lc,current_call);
3130         }
3131 }
3132
3133 /**
3134  * Resumes the call.
3135  *
3136  * @ingroup call_control
3137 **/
3138 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3139 {
3140         char temp[255]={0};
3141         LinphoneCall *call = the_call;
3142         const char *subject="Call resuming";
3143
3144         if(call->state!=LinphoneCallPaused ){
3145                 ms_warning("we cannot resume a call that has not been established and paused before");
3146                 return -1;
3147         }
3148         if (call->params.in_conference==FALSE){
3149                 linphone_core_preempt_sound_resources(lc);
3150                 ms_message("Resuming call %p",call);
3151         }
3152
3153         /* Stop playing music immediately. If remote side is a conference it
3154          prevents the participants to hear it while the 200OK comes back.*/
3155         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3156
3157         update_local_media_description(lc,the_call);
3158         if (call->ice_session != NULL)
3159                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3160         sal_call_set_local_media_description(call->op,call->localdesc);
3161         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3162         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3163         if(sal_call_update(call->op,subject) != 0){
3164                 return -1;
3165         }
3166         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3167         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3168         if (lc->vtable.display_status)
3169                 lc->vtable.display_status(lc,temp);
3170         return 0;
3171 }
3172
3173 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3174         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3175         return !linphone_address_weak_equal (addr,raddr);
3176 }
3177
3178 /**
3179  * Get the call with the remote_address specified
3180  * @param lc
3181  * @param remote_address
3182  * @return the LinphoneCall of the call if found
3183  */
3184 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3185         LinphoneAddress *raddr=linphone_address_new(remote_address);
3186         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3187         if (elem) return (LinphoneCall*) elem->data;
3188         return NULL;
3189 }
3190
3191 int linphone_core_send_publish(LinphoneCore *lc,
3192                                LinphoneOnlineStatus presence_mode)
3193 {
3194         const MSList *elem;
3195         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3196                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3197                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3198         }
3199         return 0;
3200 }
3201
3202 /**
3203  * Set the incoming call timeout in seconds.
3204  *
3205  * @ingroup call_control
3206  * If an incoming call isn't answered for this timeout period, it is
3207  * automatically declined.
3208 **/
3209 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3210         lc->sip_conf.inc_timeout=seconds;
3211         if (linphone_core_ready(lc)){
3212                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3213         }
3214 }
3215
3216 /**
3217  * Returns the incoming call timeout
3218  *
3219  * @ingroup call_control
3220  * See linphone_core_set_inc_timeout() for details.
3221 **/
3222 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3223         return lc->sip_conf.inc_timeout;
3224 }
3225
3226 /**
3227  * Set the in call timeout in seconds.
3228  *
3229  * @ingroup call_control
3230  * After this timeout period, the call is automatically hangup.
3231 **/
3232 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3233         lc->sip_conf.in_call_timeout=seconds;
3234 }
3235
3236 /**
3237  * Returns the in call timeout
3238  *
3239  * @ingroup call_control
3240  * See linphone_core_set_in_call_timeout() for details.
3241 **/
3242 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3243         return lc->sip_conf.in_call_timeout;
3244 }
3245
3246 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3247                                                                                                         const char *contact,
3248                                                                                                         LinphoneOnlineStatus presence_mode)
3249 {
3250         if (minutes_away>0) lc->minutes_away=minutes_away;
3251
3252         if (lc->alt_contact!=NULL) {
3253                 ms_free(lc->alt_contact);
3254                 lc->alt_contact=NULL;
3255         }
3256         if (contact) lc->alt_contact=ms_strdup(contact);
3257         if (lc->presence_mode!=presence_mode){
3258                 linphone_core_notify_all_friends(lc,presence_mode);
3259                 /*
3260                    Improve the use of all LINPHONE_STATUS available.
3261                    !TODO Do not mix "presence status" with "answer status code"..
3262                    Use correct parameter to follow sip_if_match/sip_etag.
3263                  */
3264                 linphone_core_send_publish(lc,presence_mode);
3265         }
3266         lc->presence_mode=presence_mode;
3267 }
3268
3269 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3270         return lc->presence_mode;
3271 }
3272
3273 /**
3274  * Get playback sound level in 0-100 scale.
3275  *
3276  * @ingroup media_parameters
3277 **/
3278 int linphone_core_get_play_level(LinphoneCore *lc)
3279 {
3280         return lc->sound_conf.play_lev;
3281 }
3282
3283 /**
3284  * Get ring sound level in 0-100 scale
3285  *
3286  * @ingroup media_parameters
3287 **/
3288 int linphone_core_get_ring_level(LinphoneCore *lc)
3289 {
3290         return lc->sound_conf.ring_lev;
3291 }
3292
3293 /**
3294  * Get sound capture level in 0-100 scale
3295  *
3296  * @ingroup media_parameters
3297 **/
3298 int linphone_core_get_rec_level(LinphoneCore *lc){
3299         return lc->sound_conf.rec_lev;
3300 }
3301
3302 /**
3303  * Set sound ring level in 0-100 scale
3304  *
3305  * @ingroup media_parameters
3306 **/
3307 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3308         MSSndCard *sndcard;
3309         lc->sound_conf.ring_lev=level;
3310         sndcard=lc->sound_conf.ring_sndcard;
3311         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3312 }
3313
3314 /**
3315  * Allow to control microphone level:  gain in db
3316  *
3317  * @ingroup media_parameters
3318 **/
3319 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3320         float gain=gaindb;
3321         LinphoneCall *call=linphone_core_get_current_call (lc);
3322         AudioStream *st;
3323
3324         lc->sound_conf.soft_mic_lev=gaindb;
3325
3326         if (linphone_core_ready(lc)){
3327                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3328         }
3329
3330         if (call==NULL || (st=call->audiostream)==NULL){
3331                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3332                 return;
3333         }
3334         if (st->volrecv){
3335                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3336         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3337 }
3338
3339 /**
3340  * Get microphone gain in db.
3341  *
3342  * @ingroup media_parameters
3343 **/
3344 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3345         return lc->sound_conf.soft_mic_lev;
3346 }
3347
3348 /**
3349  * Allow to control play level before entering sound card:  gain in db
3350  *
3351  * @ingroup media_parameters
3352 **/
3353 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3354         float gain=gaindb;
3355         LinphoneCall *call=linphone_core_get_current_call (lc);
3356         AudioStream *st;
3357
3358         lc->sound_conf.soft_play_lev=gaindb;
3359         if (linphone_core_ready(lc)){
3360                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3361         }
3362
3363         if (call==NULL || (st=call->audiostream)==NULL){
3364                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3365                 return;
3366         }
3367         if (st->volrecv){
3368                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3369         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3370 }
3371
3372 /**
3373  * Get playback gain in db before entering  sound card.
3374  *
3375  * @ingroup media_parameters
3376 **/
3377 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3378         return lc->sound_conf.soft_play_lev;
3379 }
3380
3381 /**
3382  * Set sound playback level in 0-100 scale
3383  *
3384  * @ingroup media_parameters
3385 **/
3386 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3387         MSSndCard *sndcard;
3388         lc->sound_conf.play_lev=level;
3389         sndcard=lc->sound_conf.play_sndcard;
3390         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3391 }
3392
3393 /**
3394  * Set sound capture level in 0-100 scale
3395  *
3396  * @ingroup media_parameters
3397 **/
3398 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3399 {
3400         MSSndCard *sndcard;
3401         lc->sound_conf.rec_lev=level;
3402         sndcard=lc->sound_conf.capt_sndcard;
3403         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3404 }
3405
3406 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3407         MSSndCard *sndcard=NULL;
3408         if (devid!=NULL){
3409                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3410                 if (sndcard!=NULL &&
3411                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3412                         ms_warning("%s card does not have the %s capability, ignoring.",
3413                                 devid,
3414                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3415                         sndcard=NULL;
3416                 }
3417         }
3418         if (sndcard==NULL) {
3419                 /* get a card that has read+write capabilities */
3420                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3421                 /* otherwise refine to the first card having the right capability*/
3422                 if (sndcard==NULL){
3423                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3424                         for(;elem!=NULL;elem=elem->next){
3425                                 sndcard=(MSSndCard*)elem->data;
3426                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3427                         }
3428                 }
3429                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3430                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3431                         if (elem) sndcard=(MSSndCard*)elem->data;
3432         }
3433         }
3434         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3435         return sndcard;
3436 }
3437
3438 /**
3439  * Returns true if the specified sound device can capture sound.
3440  *
3441  * @ingroup media_parameters
3442  * @param lc The LinphoneCore object
3443  * @param devid the device name as returned by linphone_core_get_sound_devices()
3444 **/
3445 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3446         MSSndCard *sndcard;
3447         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3448         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3449         return FALSE;
3450 }
3451
3452 /**
3453  * Returns true if the specified sound device can play sound.
3454  *
3455  * @ingroup media_parameters
3456  * @param lc The LinphoneCore object
3457  * @param devid the device name as returned by linphone_core_get_sound_devices()
3458 **/
3459 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3460         MSSndCard *sndcard;
3461         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3462         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3463         return FALSE;
3464 }
3465
3466 /**
3467  * Sets the sound device used for ringing.
3468  *
3469  * @ingroup media_parameters
3470  * @param lc The LinphoneCore object
3471  * @param devid the device name as returned by linphone_core_get_sound_devices()
3472 **/
3473 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3474         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3475         lc->sound_conf.ring_sndcard=card;
3476         if (card && linphone_core_ready(lc))
3477                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3478         return 0;
3479 }
3480
3481 /**
3482  * Sets the sound device used for playback.
3483  *
3484  * @ingroup media_parameters
3485  * @param lc The LinphoneCore object
3486  * @param devid the device name as returned by linphone_core_get_sound_devices()
3487 **/
3488 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3489         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3490         lc->sound_conf.play_sndcard=card;
3491         if (card &&  linphone_core_ready(lc))
3492                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3493         return 0;
3494 }
3495
3496 /**
3497  * Sets the sound device used for capture.
3498  *
3499  * @ingroup media_parameters
3500  * @param lc The LinphoneCore object
3501  * @param devid the device name as returned by linphone_core_get_sound_devices()
3502 **/
3503 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3504         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3505         lc->sound_conf.capt_sndcard=card;
3506         if (card &&  linphone_core_ready(lc))
3507                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3508         return 0;
3509 }
3510
3511 /**
3512  * Returns the name of the currently assigned sound device for ringing.
3513  *
3514  * @ingroup media_parameters
3515  * @param lc The LinphoneCore object
3516 **/
3517 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3518 {
3519         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3520         return NULL;
3521 }
3522
3523 /**
3524  * Returns the name of the currently assigned sound device for playback.
3525  *
3526  * @ingroup media_parameters
3527  * @param lc The LinphoneCore object
3528 **/
3529 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3530 {
3531         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3532 }
3533
3534 /**
3535  * Returns the name of the currently assigned sound device for capture.
3536  *
3537  * @ingroup media_parameters
3538  * @param lc The LinphoneCore object
3539 **/
3540 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3541 {
3542         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3543 }
3544
3545 /**
3546  * Returns an unmodifiable array of available sound devices.
3547  *
3548  * The array is NULL terminated.
3549  *
3550  * @ingroup media_parameters
3551  * @param lc The LinphoneCore object
3552 **/
3553 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3554         return lc->sound_conf.cards;
3555 }
3556
3557 /**
3558  * Returns an unmodifiable array of available video capture devices.
3559  *
3560  * @ingroup media_parameters
3561  * The array is NULL terminated.
3562 **/
3563 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3564         return lc->video_conf.cams;
3565 }
3566
3567 /**
3568  * Update detection of sound devices.
3569  *
3570  * Use this function when the application is notified of USB plug events, so that
3571  * list of available hardwares for sound playback and capture is updated.
3572  **/
3573 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3574         const char *ringer,*playback,*capture;
3575         ringer=linphone_core_get_ringer_device(lc);
3576         playback=linphone_core_get_playback_device(lc);
3577         capture=linphone_core_get_capture_device(lc);
3578         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3579         build_sound_devices_table(lc);
3580         linphone_core_set_ringer_device(lc,ringer);
3581         linphone_core_set_playback_device(lc,playback);
3582         linphone_core_set_capture_device(lc,capture);
3583 }
3584
3585 /**
3586  * Update detection of camera devices.
3587  *
3588  * Use this function when the application is notified of USB plug events, so that
3589  * list of available hardwares for video capture is updated.
3590  **/
3591 void linphone_core_reload_video_devices(LinphoneCore *lc){
3592         const char *devid;
3593         devid=linphone_core_get_video_device(lc);
3594         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3595         build_video_devices_table(lc);
3596         linphone_core_set_video_device(lc,devid);
3597 }
3598
3599 char linphone_core_get_sound_source(LinphoneCore *lc)
3600 {
3601         return lc->sound_conf.source;
3602 }
3603
3604 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3605 {
3606         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3607         lc->sound_conf.source=source;
3608         if (!sndcard) return;
3609         switch(source){
3610                 case 'm':
3611                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3612                         break;
3613                 case 'l':
3614                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3615                         break;
3616         }
3617
3618 }
3619
3620
3621 /**
3622  * Sets the path to a wav file used for ringing.
3623  *
3624  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3625  * @param lc The LinphoneCore object
3626  *
3627  * @ingroup media_parameters
3628 **/
3629 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3630         if (lc->sound_conf.local_ring!=0){
3631                 ms_free(lc->sound_conf.local_ring);
3632                 lc->sound_conf.local_ring=NULL;
3633         }
3634         if (path)
3635                 lc->sound_conf.local_ring=ms_strdup(path);
3636         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3637                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3638 }
3639
3640 /**
3641  * Returns the path to the wav file used for ringing.
3642  *
3643  * @param lc The LinphoneCore object
3644  * @ingroup media_parameters
3645 **/
3646 const char *linphone_core_get_ring(const LinphoneCore *lc){
3647         return lc->sound_conf.local_ring;
3648 }
3649
3650 /**
3651  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3652  *
3653  * @param path
3654  * @param lc The LinphoneCore object
3655  *
3656  * @ingroup media_parameters
3657 **/
3658 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3659         sal_set_root_ca(lc->sal, path);
3660 }
3661
3662 /**
3663  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3664 **/
3665 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3666         sal_verify_server_certificates(lc->sal,yesno);
3667 }
3668
3669 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3670         LinphoneCore *lc=(LinphoneCore*)ud;
3671         lc->preview_finished=1;
3672 }
3673
3674 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3675 {
3676         if (lc->ringstream!=0){
3677                 ms_warning("Cannot start ring now,there's already a ring being played");
3678                 return -1;
3679         }
3680         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3681         lc->preview_finished=0;
3682         if (lc->sound_conf.ring_sndcard!=NULL){
3683                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3684                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3685         }
3686         return 0;
3687 }
3688
3689 /**
3690  * Sets the path to a wav file used for ringing back.
3691  *
3692  * Ringback means the ring that is heard when it's ringing at the remote party.
3693  * The file must be a wav 16bit linear.
3694  *
3695  * @ingroup media_parameters
3696 **/
3697 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3698         if (lc->sound_conf.remote_ring!=0){
3699                 ms_free(lc->sound_conf.remote_ring);
3700         }
3701         lc->sound_conf.remote_ring=ms_strdup(path);
3702 }
3703
3704 /**
3705  * Returns the path to the wav file used for ringing back.
3706  *
3707  * @ingroup media_parameters
3708 **/
3709 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3710         return lc->sound_conf.remote_ring;
3711 }
3712
3713 /**
3714  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3715  *
3716  * @ingroup media_parameters
3717 **/
3718 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3719         lc->sound_conf.ec=val;
3720         if ( linphone_core_ready(lc))
3721                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3722 }
3723
3724
3725 /**
3726  * Returns TRUE if echo cancellation is enabled.
3727  *
3728  * @ingroup media_parameters
3729 **/
3730 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3731         return lc->sound_conf.ec;
3732 }
3733
3734 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3735         lc->sound_conf.ea=val;
3736 }
3737
3738 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3739         return lc->sound_conf.ea;
3740 }
3741
3742 /**
3743  * Mutes or unmutes the local microphone.
3744  *
3745  * @ingroup media_parameters
3746 **/
3747 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3748         LinphoneCall *call=linphone_core_get_current_call(lc);
3749         AudioStream *st=NULL;
3750         if (linphone_core_is_in_conference(lc)){
3751                 lc->conf_ctx.local_muted=val;
3752                 st=lc->conf_ctx.local_participant;
3753         }else if (call==NULL){
3754                 ms_warning("linphone_core_mute_mic(): No current call !");
3755                 return;
3756         }else{
3757                 st=call->audiostream;
3758                 call->audio_muted=val;
3759         }
3760         if (st!=NULL){
3761                 audio_stream_set_mic_gain(st,
3762                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
3763                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3764                         audio_stream_mute_rtp(st,val);
3765                 }
3766
3767         }
3768 }
3769 /**
3770  * Returns whether microphone is muted.
3771 **/
3772 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3773         LinphoneCall *call=linphone_core_get_current_call(lc);
3774         if (linphone_core_is_in_conference(lc)){
3775                 return lc->conf_ctx.local_muted;
3776         }else if (call==NULL){
3777                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3778                 return FALSE;
3779         }
3780         return call->audio_muted;
3781 }
3782
3783 // returns rtp transmission status for an active stream
3784 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3785 // was set on then rtp transmission is also muted
3786 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3787         LinphoneCall *call=linphone_core_get_current_call(lc);
3788         if (call==NULL){
3789                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3790                 return FALSE;
3791         }
3792         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3793                 return call->audio_muted;
3794         }
3795         return FALSE;
3796 }
3797
3798 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3799         lc->sound_conf.agc=val;
3800 }
3801
3802 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3803         return lc->sound_conf.agc;
3804 }
3805
3806 /**
3807  * Send the specified dtmf.
3808  *
3809  * @ingroup media_parameters
3810  * This function only works during calls. The dtmf is automatically played to the user.
3811  * @param lc The LinphoneCore object
3812  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3813  *
3814 **/
3815 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3816 {
3817         LinphoneCall *call=linphone_core_get_current_call(lc);
3818         if (call==NULL){
3819                 ms_warning("linphone_core_send_dtmf(): no active call");
3820                 return;
3821         }
3822         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3823         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3824         {
3825                 /* In Band DTMF */
3826                 if (call->audiostream!=NULL){
3827                         audio_stream_send_dtmf(call->audiostream,dtmf);
3828                 }
3829                 else
3830                 {
3831                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3832                 }
3833         }
3834         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3835                 /* Out of Band DTMF (use INFO method) */
3836                 sal_call_send_dtmf(call->op,dtmf);
3837         }
3838 }
3839
3840 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3841         if (lc->net_conf.stun_server!=NULL)
3842                 ms_free(lc->net_conf.stun_server);
3843         if (server)
3844                 lc->net_conf.stun_server=ms_strdup(server);
3845         else lc->net_conf.stun_server=NULL;
3846         if (linphone_core_ready(lc))
3847                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3848 }
3849
3850 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3851         return lc->net_conf.stun_server;
3852 }
3853
3854 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3855         return lc->net_conf.relay;
3856 }
3857
3858 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3859         if (lc->net_conf.relay!=NULL){
3860                 ms_free(lc->net_conf.relay);
3861                 lc->net_conf.relay=NULL;
3862         }
3863         if (addr){
3864                 lc->net_conf.relay=ms_strdup(addr);
3865         }
3866         return 0;
3867 }
3868
3869 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3870 {
3871         if (lc->net_conf.nat_address!=NULL){
3872                 ms_free(lc->net_conf.nat_address);
3873         }
3874         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3875         else lc->net_conf.nat_address=NULL;
3876         if (lc->sip_conf.contact) update_primary_contact(lc);
3877 }
3878
3879 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3880         return lc->net_conf.nat_address;
3881 }
3882
3883 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3884 {
3885         struct sockaddr_storage ss;
3886         socklen_t ss_len;
3887         int error;
3888         char ipstring [INET6_ADDRSTRLEN];
3889
3890         if (lc->net_conf.nat_address==NULL) return NULL;
3891
3892         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3893                 return lc->net_conf.nat_address;
3894         }
3895
3896         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3897                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3898         if (error) {
3899                 return lc->net_conf.nat_address;
3900         }
3901
3902         if (lc->net_conf.nat_address_ip!=NULL){
3903                 ms_free(lc->net_conf.nat_address_ip);
3904         }
3905         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3906         return lc->net_conf.nat_address_ip;
3907 }
3908
3909 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3910         lc->net_conf.firewall_policy=pol;
3911         if (lc->sip_conf.contact) update_primary_contact(lc);
3912         if (linphone_core_ready(lc))
3913                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3914 }
3915
3916 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3917         return lc->net_conf.firewall_policy;
3918 }
3919
3920 /**
3921  * Get the list of call logs (past calls).
3922  *
3923  * @ingroup call_logs
3924 **/
3925 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3926         return lc->call_logs;
3927 }
3928
3929 /**
3930  * Erase the call log.
3931  *
3932  * @ingroup call_logs
3933 **/
3934 void linphone_core_clear_call_logs(LinphoneCore *lc){
3935         lc->missed_calls=0;
3936         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3937         lc->call_logs=ms_list_free(lc->call_logs);
3938         call_logs_write_to_config_file(lc);
3939 }
3940
3941 /**
3942  * Returns number of missed calls.
3943  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3944 **/
3945 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3946         return lc->missed_calls;
3947 }
3948
3949 /**
3950  * Resets the counter of missed calls.
3951 **/
3952 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3953         lc->missed_calls=0;
3954 }
3955
3956 /**
3957  * Remove a specific call log from call history list.
3958  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3959  * @param lc the linphone core object
3960  * @param a LinphoneCallLog object.
3961 **/
3962 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3963         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3964         call_logs_write_to_config_file(lc);
3965         linphone_call_log_destroy(cl);
3966 }
3967
3968 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3969 #ifdef VIDEO_ENABLED
3970         if (val){
3971                 if (lc->previewstream==NULL){
3972                         lc->previewstream=video_preview_new();
3973                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3974                         if (lc->video_conf.displaytype)
3975                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3976                         if (lc->preview_window_id!=0)
3977                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3978                         video_preview_start(lc->previewstream,lc->video_conf.device);
3979                 }
3980         }else{
3981                 if (lc->previewstream!=NULL){
3982                         video_preview_stop(lc->previewstream);
3983                         lc->previewstream=NULL;
3984                 }
3985         }
3986 #endif
3987 }
3988
3989 /**
3990  * Enables video globally.
3991  *
3992  * @ingroup media_parameters
3993  * This function does not have any effect during calls. It just indicates LinphoneCore to
3994  * initiate future calls with video or not. The two boolean parameters indicate in which
3995  * direction video is enabled. Setting both to false disables video entirely.
3996  *
3997  * @param lc The LinphoneCore object
3998  * @param vcap_enabled indicates whether video capture is enabled
3999  * @param display_enabled indicates whether video display should be shown
4000  *
4001 **/
4002 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4003 #ifndef VIDEO_ENABLED
4004         if (vcap_enabled || display_enabled)
4005                 ms_warning("This version of linphone was built without video support.");
4006 #endif
4007         lc->video_conf.capture=vcap_enabled;
4008         lc->video_conf.display=display_enabled;
4009         if (linphone_core_ready(lc)){
4010                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4011                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4012         }
4013         /* need to re-apply network bandwidth settings*/
4014         linphone_core_set_download_bandwidth(lc,
4015                 linphone_core_get_download_bandwidth(lc));
4016         linphone_core_set_upload_bandwidth(lc,
4017                 linphone_core_get_upload_bandwidth(lc));
4018 }
4019
4020 bool_t linphone_core_video_supported(LinphoneCore *lc){
4021 #ifdef VIDEO_ENABLED
4022         return TRUE;
4023 #else
4024         return FALSE;
4025 #endif
4026 }
4027
4028 /**
4029  * Returns TRUE if video is enabled, FALSE otherwise.
4030  * @ingroup media_parameters
4031 **/
4032 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4033         return (lc->video_conf.display || lc->video_conf.capture);
4034 }
4035
4036 /**
4037  * Sets the default policy for video.
4038  * This policy defines whether:
4039  * - video shall be initiated by default for outgoing calls
4040  * - video shall be accepter by default for incoming calls
4041  * @ingroup media_parameters
4042 **/
4043 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4044         lc->video_policy=*policy;
4045         if (linphone_core_ready(lc)){
4046                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4047                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4048         }
4049 }
4050
4051 /**
4052  * Get the default policy for video.
4053  * See linphone_core_set_video_policy() for more details.
4054  * @ingroup media_parameters
4055 **/
4056 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4057         return &lc->video_policy;
4058 }
4059
4060 /**
4061  * Controls video preview enablement.
4062  *
4063  * @ingroup media_parameters
4064  * Video preview refers to the action of displaying the local webcam image
4065  * to the user while not in call.
4066 **/
4067 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4068         lc->video_conf.show_local=val;
4069         if (linphone_core_ready(lc))
4070                 lp_config_set_int(lc->config,"video","show_local",val);
4071 }
4072
4073 /**
4074  * Returns TRUE if video previewing is enabled.
4075  * @ingroup media_parameters
4076 **/
4077 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4078         return lc->video_conf.show_local;
4079 }
4080
4081 /**
4082  * Enables or disable self view during calls.
4083  *
4084  * @ingroup media_parameters
4085  * Self-view refers to having local webcam image inserted in corner
4086  * of the video window during calls.
4087  * This function works at any time, including during calls.
4088 **/
4089 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4090 #ifdef VIDEO_ENABLED
4091         LinphoneCall *call=linphone_core_get_current_call (lc);
4092         lc->video_conf.selfview=val;
4093         if (call && call->videostream){
4094                 video_stream_enable_self_view(call->videostream,val);
4095         }
4096         if (linphone_core_ready(lc)){
4097                 lp_config_set_int(lc->config,"video","self_view",val);
4098         }
4099 #endif
4100 }
4101
4102 /**
4103  * Returns TRUE if self-view is enabled, FALSE otherwise.
4104  *
4105  * @ingroup media_parameters
4106  *
4107  * Refer to linphone_core_enable_self_view() for details.
4108 **/
4109 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4110         return lc->video_conf.selfview;
4111 }
4112
4113 /**
4114  * Sets the active video device.
4115  *
4116  * @ingroup media_parameters
4117  * @param lc The LinphoneCore object
4118  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4119 **/
4120 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4121         MSWebCam *olddev=lc->video_conf.device;
4122         const char *vd;
4123         if (id!=NULL){
4124                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4125                 if (lc->video_conf.device==NULL){
4126                         ms_warning("Could not find video device %s",id);
4127                 }
4128         }
4129         if (lc->video_conf.device==NULL)
4130                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4131         if (olddev!=NULL && olddev!=lc->video_conf.device){
4132                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4133         }
4134         if ( linphone_core_ready(lc) && lc->video_conf.device){
4135                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4136                 if (vd && strstr(vd,"Static picture")!=NULL){
4137                         vd=NULL;
4138                 }
4139                 lp_config_set_string(lc->config,"video","device",vd);
4140         }
4141         return 0;
4142 }
4143
4144 /**
4145  * Returns the name of the currently active video device.
4146  *
4147  * @param lc The LinphoneCore object
4148  * @ingroup media_parameters
4149 **/
4150 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4151         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4152         return NULL;
4153 }
4154
4155 #ifdef VIDEO_ENABLED
4156 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4157         VideoStream *vs = NULL;
4158         LinphoneCall *call=linphone_core_get_current_call (lc);
4159         /* Select the video stream from the call in the first place */
4160         if (call && call->videostream) {
4161                 vs = call->videostream;
4162         }
4163         /* If not in call, select the video stream from the preview */
4164         if (vs == NULL && lc->previewstream) {
4165                 vs = lc->previewstream;
4166         }
4167         return vs;
4168 }
4169 #endif
4170
4171 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4172 #ifdef VIDEO_ENABLED
4173         VideoStream *vs=get_active_video_stream(lc);
4174         /* If we have a video stream (either preview, either from call), we
4175                  have a source and it is using the static picture filter, then
4176                  force the filter to use that picture. */
4177         if (vs && vs->source) {
4178                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4179                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4180                                                                                                                 (void *)path);
4181                 }
4182         }
4183         /* Tell the static image filter to use that image from now on so
4184                  that the image will be used next time it has to be read */
4185         ms_static_image_set_default_image(path);
4186 #else
4187         ms_warning("Video support not compiled.");
4188 #endif
4189         return 0;
4190 }
4191
4192 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4193 #ifdef VIDEO_ENABLED
4194         VideoStream *vs = NULL;
4195
4196         vs=get_active_video_stream(lc);
4197
4198         /* If we have a video stream (either preview, either from call), we
4199                  have a source and it is using the static picture filter, then
4200                  force the filter to use that picture. */
4201         if (vs && vs->source) {
4202                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4203                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4204                 }
4205         }
4206 #else
4207         ms_warning("Video support not compiled.");
4208 #endif
4209         return 0;
4210 }
4211
4212 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4213 #ifdef VIDEO_ENABLED
4214         VideoStream *vs = NULL;
4215         vs=get_active_video_stream(lc);
4216         /* If we have a video stream (either preview, either from call), we
4217                  have a source and it is using the static picture filter, then
4218                  force the filter to use that picture. */
4219         if (vs && vs->source) {
4220                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4221
4222                         float fps;
4223
4224                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4225                         return fps;
4226                 }
4227         }
4228 #else
4229         ms_warning("Video support not compiled.");
4230 #endif
4231         return 0;
4232 }
4233
4234 /**
4235  * Returns the native window handle of the video window, casted as an unsigned long.
4236  *
4237  * @ingroup media_parameters
4238 **/
4239 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4240 #ifdef VIDEO_ENABLED
4241         LinphoneCall *call=linphone_core_get_current_call (lc);
4242         if (call && call->videostream)
4243                 return video_stream_get_native_window_id(call->videostream);
4244         if (lc->previewstream)
4245                 return video_stream_get_native_window_id(lc->previewstream);
4246 #endif
4247         return lc->video_window_id;
4248 }
4249
4250 /**@ingroup media_parameters
4251  * Set the native video window id where the video is to be displayed.
4252  * If not set the core will create its own window.
4253 **/
4254 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4255 #ifdef VIDEO_ENABLED
4256         LinphoneCall *call=linphone_core_get_current_call(lc);
4257         lc->video_window_id=id;
4258         if (call!=NULL && call->videostream){
4259                 video_stream_set_native_window_id(call->videostream,id);
4260         }
4261 #endif
4262 }
4263
4264 /**
4265  * Returns the native window handle of the video preview window, casted as an unsigned long.
4266  *
4267  * @ingroup media_parameters
4268 **/
4269 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4270 #ifdef VIDEO_ENABLED
4271         LinphoneCall *call=linphone_core_get_current_call (lc);
4272         if (call && call->videostream)
4273                 return video_stream_get_native_preview_window_id(call->videostream);
4274         if (lc->previewstream)
4275                 return video_preview_get_native_window_id(lc->previewstream);
4276 #endif
4277         return lc->preview_window_id;
4278 }
4279
4280 /**
4281  * @ingroup media_parameters
4282  * Set the native window id where the preview video (local camera) is to be displayed.
4283  * This has to be used in conjonction with linphone_core_use_preview_window().
4284  * If not set the core will create its own window.
4285 **/
4286 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4287         lc->preview_window_id=id;
4288 #ifdef VIDEO_ENABLED
4289         LinphoneCall *call=linphone_core_get_current_call(lc);
4290         if (call!=NULL && call->videostream){
4291                 video_stream_set_native_preview_window_id(call->videostream,id);
4292         }else if (lc->previewstream){
4293                 video_preview_set_native_window_id(lc->previewstream,id);
4294         }
4295 #endif
4296 }
4297
4298 /**
4299  * Can be used to disable video showing to free XV port
4300 **/
4301 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4302 #ifdef VIDEO_ENABLED
4303         ms_error("linphone_core_show_video %d", show);
4304         LinphoneCall *call=linphone_core_get_current_call(lc);
4305         if (call!=NULL && call->videostream){
4306                 video_stream_show_video(call->videostream,show);
4307         }
4308 #endif
4309 }
4310
4311 /**
4312  * Tells the core to use a separate window for local camera preview video, instead of
4313  * inserting local view within the remote video window.
4314  *
4315 **/
4316 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4317         lc->use_preview_window=yesno;
4318 }
4319 /**
4320  * @ingroup media_parameters
4321  *returns current device orientation
4322  */
4323 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4324         return lc->device_rotation;
4325 }
4326 /**
4327  * @ingroup media_parameters
4328  * Tells the core the device current orientation. This can be used by capture filters
4329  * on mobile devices to select between portrait/landscape mode and to produce properly
4330  * oriented images. The exact meaning of the value in rotation if left to each device
4331  * specific implementations.
4332  *@param lc  object.
4333  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4334  *
4335 **/
4336 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4337 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4338         lc->device_rotation = rotation;
4339 #ifdef VIDEO_ENABLED
4340         LinphoneCall *call=linphone_core_get_current_call(lc);
4341         if (call!=NULL && call->videostream){
4342                 video_stream_set_device_rotation(call->videostream,rotation);
4343         }
4344 #endif
4345 }
4346
4347 static MSVideoSizeDef supported_resolutions[]={
4348 #ifdef ENABLE_HD
4349         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4350         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4351 #endif
4352         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4353         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4354         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4355         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4356         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4357         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4358         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4359         {       {0,0}                   ,       NULL    }
4360 };
4361
4362 /**
4363  * Returns the zero terminated table of supported video resolutions.
4364  *
4365  * @ingroup media_parameters
4366 **/
4367 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4368         return supported_resolutions;
4369 }
4370
4371 static MSVideoSize video_size_get_by_name(const char *name){
4372         MSVideoSizeDef *pdef=supported_resolutions;
4373         MSVideoSize null_vsize={0,0};
4374         for(;pdef->name!=NULL;pdef++){
4375                 if (strcasecmp(name,pdef->name)==0){
4376                         return pdef->vsize;
4377                 }
4378         }
4379         ms_warning("Video resolution %s is not supported in linphone.",name);
4380         return null_vsize;
4381 }
4382
4383 static const char *video_size_get_name(MSVideoSize vsize){
4384         MSVideoSizeDef *pdef=supported_resolutions;
4385         for(;pdef->name!=NULL;pdef++){
4386                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4387                         return pdef->name;
4388                 }
4389         }
4390         return NULL;
4391 }
4392
4393 static bool_t video_size_supported(MSVideoSize vsize){
4394         if (video_size_get_name(vsize)) return TRUE;
4395         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4396         return FALSE;
4397 }
4398
4399 /**
4400  * Sets the preferred video size.
4401  *
4402  * @ingroup media_parameters
4403  * This applies only to the stream that is captured and sent to the remote party,
4404  * since we accept all standard video size on the receive path.
4405 **/
4406 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4407         if (video_size_supported(vsize)){
4408                 MSVideoSize oldvsize=lc->video_conf.vsize;
4409                 lc->video_conf.vsize=vsize;
4410                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4411                         toggle_video_preview(lc,FALSE);
4412                         toggle_video_preview(lc,TRUE);
4413                 }
4414                 if ( linphone_core_ready(lc))
4415                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4416         }
4417 }
4418
4419 /**
4420  * Sets the preferred video size by its name.
4421  *
4422  * @ingroup media_parameters
4423  * This is identical to linphone_core_set_preferred_video_size() except
4424  * that it takes the name of the video resolution as input.
4425  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4426 **/
4427 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4428         MSVideoSize vsize=video_size_get_by_name(name);
4429         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4430         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4431         else linphone_core_set_preferred_video_size(lc,default_vsize);
4432 }
4433
4434 /**
4435  * Returns the current preferred video size for sending.
4436  *
4437  * @ingroup media_parameters
4438 **/
4439 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4440         return lc->video_conf.vsize;
4441 }
4442
4443 /**
4444  * Ask the core to stream audio from and to files, instead of using the soundcard.
4445 **/
4446 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4447         lc->use_files=yesno;
4448 }
4449
4450 /**
4451  * Sets a wav file to be played when putting somebody on hold,
4452  * or when files are used instead of soundcards (see linphone_core_use_files()).
4453  *
4454  * The file must be a 16 bit linear wav file.
4455 **/
4456 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4457         LinphoneCall *call=linphone_core_get_current_call(lc);
4458         if (lc->play_file!=NULL){
4459                 ms_free(lc->play_file);
4460                 lc->play_file=NULL;
4461         }
4462         if (file!=NULL) {
4463                 lc->play_file=ms_strdup(file);
4464                 if (call && call->audiostream && call->audiostream->ticker)
4465                         audio_stream_play(call->audiostream,file);
4466         }
4467 }
4468
4469
4470 /**
4471  * Sets a wav file where incoming stream is to be recorded,
4472  * when files are used instead of soundcards (see linphone_core_use_files()).
4473  *
4474  * The file must be a 16 bit linear wav file.
4475 **/
4476 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4477         LinphoneCall *call=linphone_core_get_current_call(lc);
4478         if (lc->rec_file!=NULL){
4479                 ms_free(lc->rec_file);
4480                 lc->rec_file=NULL;
4481         }
4482         if (file!=NULL) {
4483                 lc->rec_file=ms_strdup(file);
4484                 if (call && call->audiostream)
4485                         audio_stream_record(call->audiostream,file);
4486         }
4487 }
4488
4489
4490 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4491         LinphoneCall *call=linphone_core_get_current_call (lc);
4492         AudioStream *stream=NULL;
4493         if (call){
4494                 stream=call->audiostream;
4495         }else if (linphone_core_is_in_conference(lc)){
4496                 stream=lc->conf_ctx.local_participant;
4497         }
4498         if (stream){
4499                 return stream->dtmfgen;
4500         }
4501         if (lc->ringstream==NULL){
4502                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4503                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4504                 if (ringcard == NULL)
4505                         return NULL;
4506
4507                 lc->ringstream=ring_start(NULL,0,ringcard);
4508                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4509                 lc->dmfs_playing_start_time=time(NULL);
4510         }else{
4511                 if (lc->dmfs_playing_start_time!=0)
4512                         lc->dmfs_playing_start_time=time(NULL);
4513         }
4514         return lc->ringstream->gendtmf;
4515 }
4516
4517 /**
4518  * @ingroup media_parameters
4519  * Plays a dtmf sound to the local user.
4520  * @param lc #LinphoneCore
4521  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4522  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4523 **/
4524 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4525         MSFilter *f=get_dtmf_gen(lc);
4526         if (f==NULL){
4527                 ms_error("No dtmf generator at this time !");
4528                 return;
4529         }
4530
4531         if (duration_ms>0)
4532                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4533         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4534 }
4535
4536 /**
4537  * @ingroup media_parameters
4538  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4539  * @param lc #LinphoneCore
4540 **/
4541 void linphone_core_play_tone(LinphoneCore *lc){
4542         MSFilter *f=get_dtmf_gen(lc);
4543         MSDtmfGenCustomTone def;
4544         if (f==NULL){
4545                 ms_error("No dtmf generator at this time !");
4546                 return;
4547         }
4548         def.duration=300;
4549         def.frequency=500;
4550         def.amplitude=1;
4551         def.interval=2000;
4552         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4553 }
4554
4555 /**
4556  * @ingroup media_parameters
4557  *
4558  * Stops playing a dtmf started by linphone_core_play_dtmf().
4559 **/
4560 void linphone_core_stop_dtmf(LinphoneCore *lc){
4561         MSFilter *f=get_dtmf_gen(lc);
4562         if (f!=NULL)
4563                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4564 }
4565
4566
4567
4568 /**
4569  * Retrieves the user pointer that was given to linphone_core_new()
4570  *
4571  * @ingroup initializing
4572 **/
4573 void *linphone_core_get_user_data(LinphoneCore *lc){
4574         return lc->data;
4575 }
4576
4577 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4578         lc->data=userdata;
4579 }
4580
4581 int linphone_core_get_mtu(const LinphoneCore *lc){
4582         return lc->net_conf.mtu;
4583 }
4584
4585 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4586         lc->net_conf.mtu=mtu;
4587         if (mtu>0){
4588                 if (mtu<500){
4589                         ms_error("MTU too small !");
4590                         mtu=500;
4591                 }
4592                 ms_set_mtu(mtu);
4593                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4594         }else ms_set_mtu(0);//use mediastreamer2 default value
4595 }
4596
4597 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4598         lc->wait_cb=cb;
4599         lc->wait_ctx=user_context;
4600 }
4601
4602 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4603         if (lc->wait_cb){
4604                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4605         }
4606 }
4607
4608 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4609         if (lc->wait_cb){
4610                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4611         }else{
4612 #ifdef WIN32
4613                 Sleep(50000);
4614 #else
4615                 usleep(50000);
4616 #endif
4617         }
4618 }
4619
4620 void linphone_core_stop_waiting(LinphoneCore *lc){
4621         if (lc->wait_cb){
4622                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4623         }
4624 }
4625
4626 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4627         lc->rtptf=factories;
4628 }
4629
4630 /**
4631  * Retrieve RTP statistics regarding current call.
4632  * @param local RTP statistics computed locally.
4633  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4634  *
4635  * @note Remote RTP statistics is not implemented yet.
4636  *
4637  * @returns 0 or -1 if no call is running.
4638 **/
4639
4640 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4641         LinphoneCall *call=linphone_core_get_current_call (lc);
4642         if (call!=NULL){
4643                 if (call->audiostream!=NULL){
4644                         memset(remote,0,sizeof(*remote));
4645                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4646                         return 0;
4647                 }
4648         }
4649         return -1;
4650 }
4651
4652 void net_config_uninit(LinphoneCore *lc)
4653 {
4654         net_config_t *config=&lc->net_conf;
4655
4656         if (config->stun_server!=NULL){
4657                 ms_free(lc->net_conf.stun_server);
4658         }
4659         if (config->nat_address!=NULL){
4660                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4661                 ms_free(lc->net_conf.nat_address);
4662         }
4663         if (lc->net_conf.nat_address_ip !=NULL){
4664                 ms_free(lc->net_conf.nat_address_ip);
4665         }
4666         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4667 }
4668
4669
4670 void sip_config_uninit(LinphoneCore *lc)
4671 {
4672         MSList *elem;
4673         int i;
4674         sip_config_t *config=&lc->sip_conf;
4675
4676         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4677         lp_config_set_string(lc->config,"sip","contact",config->contact);
4678         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4679         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
4680         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4681         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4682         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4683         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4684
4685
4686
4687
4688         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4689                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4690                 linphone_proxy_config_edit(cfg);        /* to unregister */
4691         }
4692
4693         for (i=0;i<20;i++){
4694                 sal_iterate(lc->sal);
4695 #ifndef WIN32
4696                 usleep(100000);
4697 #else
4698                 Sleep(100);
4699 #endif
4700         }
4701
4702         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4703         ms_list_free(config->proxies);
4704         config->proxies=NULL;
4705
4706         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4707
4708         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4709         ms_list_free(lc->auth_info);
4710         lc->auth_info=NULL;
4711
4712         sal_uninit(lc->sal);
4713         lc->sal=NULL;
4714
4715         if (lc->sip_conf.guessed_contact)
4716                 ms_free(lc->sip_conf.guessed_contact);
4717         if (config->contact)
4718                 ms_free(config->contact);
4719
4720 }
4721
4722 void rtp_config_uninit(LinphoneCore *lc)
4723 {
4724         rtp_config_t *config=&lc->rtp_conf;
4725         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4726                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4727         } else {
4728                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4729         }
4730         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4731                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4732         } else {
4733                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4734         }
4735         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4736         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4737         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4738         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4739         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4740 }
4741
4742 static void sound_config_uninit(LinphoneCore *lc)
4743 {
4744         sound_config_t *config=&lc->sound_conf;
4745         ms_free(config->cards);
4746
4747         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4748         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
4749         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
4750
4751         if (config->local_ring) ms_free(config->local_ring);
4752         if (config->remote_ring) ms_free(config->remote_ring);
4753         ms_snd_card_manager_destroy();
4754 }
4755
4756 static void video_config_uninit(LinphoneCore *lc)
4757 {
4758         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4759         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4760         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4761         if (lc->video_conf.cams)
4762                 ms_free(lc->video_conf.cams);
4763 }
4764
4765 void _linphone_core_codec_config_write(LinphoneCore *lc){
4766         if (linphone_core_ready(lc)){
4767                 PayloadType *pt;
4768                 codecs_config_t *config=&lc->codecs_conf;
4769                 MSList *node;
4770                 char key[50];
4771                 int index;
4772                 index=0;
4773                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4774                         pt=(PayloadType*)(node->data);
4775                         sprintf(key,"audio_codec_%i",index);
4776                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4777                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4778                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4779                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4780                         index++;
4781                 }
4782                 sprintf(key,"audio_codec_%i",index);
4783                 lp_config_clean_section (lc->config,key);
4784
4785                 index=0;
4786                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4787                         pt=(PayloadType*)(node->data);
4788                         sprintf(key,"video_codec_%i",index);
4789                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4790                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4791                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4792                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4793                         index++;
4794                 }
4795                 sprintf(key,"video_codec_%i",index);
4796                 lp_config_clean_section (lc->config,key);
4797         }
4798 }
4799
4800 static void codecs_config_uninit(LinphoneCore *lc)
4801 {
4802         _linphone_core_codec_config_write(lc);
4803         ms_list_free(lc->codecs_conf.audio_codecs);
4804         ms_list_free(lc->codecs_conf.video_codecs);
4805 }
4806
4807 void ui_config_uninit(LinphoneCore* lc)
4808 {
4809         if (lc->friends){
4810                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4811                 ms_list_free(lc->friends);
4812                 lc->friends=NULL;
4813         }
4814 }
4815
4816 /**
4817  * Returns the LpConfig object used to manage the storage (config) file.
4818  *
4819  * @ingroup misc
4820  * The application can use the LpConfig object to insert its own private
4821  * sections and pairs of key=value in the configuration file.
4822  *
4823 **/
4824 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4825         return lc->config;
4826 }
4827
4828 static void linphone_core_uninit(LinphoneCore *lc)
4829 {
4830         linphone_core_free_hooks(lc);
4831         while(lc->calls)
4832         {
4833                 LinphoneCall *the_call = lc->calls->data;
4834                 linphone_core_terminate_call(lc,the_call);
4835                 linphone_core_iterate(lc);
4836 #ifdef WIN32
4837                 Sleep(50000);
4838 #else
4839                 usleep(50000);
4840 #endif
4841         }
4842         if (lc->friends)
4843                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4844         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4845 #ifdef VIDEO_ENABLED
4846         if (lc->previewstream!=NULL){
4847                 video_preview_stop(lc->previewstream);
4848                 lc->previewstream=NULL;
4849         }
4850 #endif
4851         ms_event_queue_destroy(lc->msevq);
4852         lc->msevq=NULL;
4853         /* save all config */
4854         net_config_uninit(lc);
4855         rtp_config_uninit(lc);
4856         if (lc->ringstream) ring_stop(lc->ringstream);
4857         sound_config_uninit(lc);
4858         video_config_uninit(lc);
4859         codecs_config_uninit(lc);
4860         ui_config_uninit(lc);
4861         sip_config_uninit(lc);
4862         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4863         lp_config_destroy(lc->config);
4864         lc->config = NULL; /* Mark the config as NULL to block further calls */
4865         sip_setup_unregister_all();
4866
4867         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4868         lc->call_logs=ms_list_free(lc->call_logs);
4869
4870         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
4871         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
4872
4873         linphone_core_free_payload_types(lc);
4874         ortp_exit();
4875         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4876 #ifdef TUNNEL_ENABLED
4877         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4878 #endif
4879 }
4880
4881 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4882         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4883         // second get the list of available proxies
4884         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4885         for(;elem!=NULL;elem=elem->next){
4886                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4887                 if (linphone_proxy_config_register_enabled(cfg) ) {
4888                         if (!isReachable) {
4889                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4890                         }else{
4891                                 cfg->commit=TRUE;
4892                         }
4893                 }
4894         }
4895         lc->netup_time=curtime;
4896         lc->network_reachable=isReachable;
4897         if(!isReachable) {
4898                 sal_reset_transports(lc->sal);
4899         }
4900 }
4901
4902 void linphone_core_refresh_registers(LinphoneCore* lc) {
4903         const MSList *elem;
4904         if (!lc->network_reachable) {
4905                 ms_warning("Refresh register operation not available (network unreachable)");
4906                 return;
4907         }
4908         elem=linphone_core_get_proxy_config_list(lc);
4909         for(;elem!=NULL;elem=elem->next){
4910                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4911                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4912                         linphone_proxy_config_refresh_register(cfg);
4913                 }
4914         }
4915 }
4916
4917 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4918         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4919         for(;elem!=NULL;elem=elem->next){
4920                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4921                 if (linphone_proxy_config_register_enabled(cfg)) {
4922                         linphone_proxy_config_edit(cfg);
4923                         linphone_proxy_config_done(cfg);
4924                 }
4925         }
4926 }
4927
4928 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4929         //first disable automatic mode
4930         if (lc->auto_net_state_mon) {
4931                 ms_message("Disabling automatic network state monitoring");
4932                 lc->auto_net_state_mon=FALSE;
4933         }
4934         set_network_reachable(lc,isReachable, ms_time(NULL));
4935 }
4936
4937 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4938         return lc->network_reachable;
4939 }
4940 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4941         return sal_get_socket(lc->sal);
4942 }
4943 /**
4944  * Destroys a LinphoneCore
4945  *
4946  * @ingroup initializing
4947 **/
4948 void linphone_core_destroy(LinphoneCore *lc){
4949         linphone_core_uninit(lc);
4950         ms_free(lc);
4951 }
4952 /**
4953  * Get the number of Call
4954  *
4955  * @ingroup call_control
4956 **/
4957 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4958         return  ms_list_size(lc->calls);;
4959 }
4960
4961 /**
4962  * Check if we do not have exceed the number of simultaneous call
4963  *
4964  * @ingroup call_control
4965 **/
4966 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4967 {
4968         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4969                 return TRUE;
4970         ms_message("Maximum amount of simultaneous calls reached !");
4971         return FALSE;
4972 }
4973
4974
4975 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4976 {
4977         if(linphone_core_can_we_add_call(lc))
4978         {
4979                 lc->calls = ms_list_append(lc->calls,call);
4980                 return 0;
4981         }
4982         return -1;
4983 }
4984
4985 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4986 {
4987         MSList *it;
4988         MSList *the_calls = lc->calls;
4989
4990         it=ms_list_find(the_calls,call);
4991         if (it)
4992         {
4993                 the_calls = ms_list_remove_link(the_calls,it);
4994         }
4995         else
4996         {
4997                 ms_warning("could not find the call into the list\n");
4998                 return -1;
4999         }
5000         lc->calls = the_calls;
5001         return 0;
5002 }
5003
5004 /**
5005  * Specifiies a ring back tone to be played to far end during incoming calls.
5006 **/
5007 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5008         if (lc->sound_conf.ringback_tone){
5009                 ms_free(lc->sound_conf.ringback_tone);
5010                 lc->sound_conf.ringback_tone=NULL;
5011         }
5012         if (file)
5013                 lc->sound_conf.ringback_tone=ms_strdup(file);
5014 }
5015
5016 /**
5017  * Returns the ring back tone played to far end during incoming calls.
5018 **/
5019 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5020         return lc->sound_conf.ringback_tone;
5021 }
5022
5023 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5024         const MSList *elem;
5025         for(elem=from;elem!=NULL;elem=elem->next){
5026                 PayloadType *pt=(PayloadType*)elem->data;
5027                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5028                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5029                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5030                         return pt;
5031                 }
5032         }
5033         return NULL;
5034 }
5035
5036
5037 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5038         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5039         if (result)  {
5040                 return result;
5041         } else {
5042                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5043                 if (result) {
5044                         return result;
5045                 }
5046         }
5047         /*not found*/
5048         return NULL;
5049 }
5050
5051 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5052         switch(gs){
5053                 case LinphoneGlobalOff:
5054                         return "LinphoneGlobalOff";
5055                 break;
5056                 case LinphoneGlobalOn:
5057                         return "LinphoneGlobalOn";
5058                 break;
5059                 case LinphoneGlobalStartup:
5060                         return "LinphoneGlobalStartup";
5061                 break;
5062                 case LinphoneGlobalShutdown:
5063                         return "LinphoneGlobalShutdown";
5064                 break;
5065         }
5066         return NULL;
5067 }
5068
5069 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5070         return lc->state;
5071 }
5072
5073 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5074         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5075         linphone_core_init_default_params(lc, p);
5076         return p;
5077 }
5078
5079 const char *linphone_reason_to_string(LinphoneReason err){
5080         switch(err){
5081                 case LinphoneReasonNone:
5082                         return "No error";
5083                 case LinphoneReasonNoResponse:
5084                         return "No response";
5085                 case LinphoneReasonBadCredentials:
5086                         return "Bad credentials";
5087                 case LinphoneReasonDeclined:
5088                         return "Call declined";
5089                 case LinphoneReasonNotFound:
5090                         return "User not found";
5091                 case LinphoneReasonNotAnswered:
5092                         return "Not answered";
5093                 case LinphoneReasonBusy:
5094                         return "Busy";
5095         }
5096         return "unknown error";
5097 }
5098
5099 const char *linphone_error_to_string(LinphoneReason err){
5100         return linphone_reason_to_string(err);
5101 }
5102 /**
5103  * Enables signaling keep alive
5104  */
5105 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5106         if (enable > 0) {
5107                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5108         } else {
5109                 sal_set_keepalive_period(lc->sal,0);
5110         }
5111 }
5112 /**
5113  * Is signaling keep alive enabled
5114  */
5115 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5116         return sal_get_keepalive_period(lc->sal) > 0;
5117 }
5118
5119 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5120         get_dtmf_gen(lc); /*make sure ring stream is started*/
5121         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5122 }
5123
5124 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5125         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5126                 ring_stop(lc->ringstream);
5127                 lc->ringstream=NULL;
5128         }
5129 }
5130
5131 int linphone_core_get_max_calls(LinphoneCore *lc) {
5132         return lc->max_calls;
5133 }
5134 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5135         lc->max_calls=max;
5136 }
5137
5138 typedef struct Hook{
5139         LinphoneCoreIterateHook fun;
5140         void *data;
5141 }Hook;
5142
5143 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5144         Hook *h=ms_new(Hook,1);
5145         h->fun=hook;
5146         h->data=hook_data;
5147         return h;
5148 }
5149
5150 static void hook_invoke(Hook *h){
5151         h->fun(h->data);
5152 }
5153
5154 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5155         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5156 }
5157
5158 static void linphone_core_run_hooks(LinphoneCore *lc){
5159         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5160 }
5161
5162 static void linphone_core_free_hooks(LinphoneCore *lc){
5163         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5164         ms_list_free(lc->hooks);
5165         lc->hooks=NULL;
5166 }
5167
5168 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5169         MSList *elem;
5170         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5171                 Hook *h=(Hook*)elem->data;
5172                 if (h->fun==hook && h->data==hook_data){
5173                         ms_list_remove_link(lc->hooks,elem);
5174                         ms_free(h);
5175                         return;
5176                 }
5177         }
5178         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5179 }
5180
5181 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5182         if (lc->zrtp_secrets_cache != NULL) {
5183                 ms_free(lc->zrtp_secrets_cache);
5184         }
5185         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5186 }
5187
5188 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5189         if (uri == NULL) return NULL;
5190         MSList *calls=lc->calls;
5191         while(calls) {
5192                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5193                 calls=calls->next;
5194                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5195                 char *current_uri=linphone_address_as_string_uri_only(address);
5196                 if (strcmp(uri,current_uri)==0) {
5197                         ms_free(current_uri);
5198                         return c;
5199                 } else {
5200                         ms_free(current_uri);
5201                 }
5202         }
5203         return NULL;
5204 }
5205
5206
5207 /**
5208  * Check if a call will need the sound resources.
5209  *
5210  * @ingroup call_control
5211  * @param lc The LinphoneCore
5212 **/
5213 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5214         MSList *calls=lc->calls;
5215         while(calls) {
5216                 LinphoneCall *c=(LinphoneCall*)calls->data;
5217                 calls=calls->next;
5218                 switch (c->state) {
5219                         case LinphoneCallOutgoingInit:
5220                         case LinphoneCallOutgoingProgress:
5221                         case LinphoneCallOutgoingRinging:
5222                         case LinphoneCallOutgoingEarlyMedia:
5223                         case LinphoneCallConnected:
5224                         case LinphoneCallRefered:
5225                         case LinphoneCallIncomingEarlyMedia:
5226                         case LinphoneCallUpdating:
5227                                 return TRUE;
5228                         default:
5229                                 break;
5230                 }
5231         }
5232         return FALSE;
5233 }
5234
5235 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5236         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5237 }
5238
5239 /**
5240  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5241 **/
5242 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5243         switch(menc){
5244                 case LinphoneMediaEncryptionSRTP:
5245                         return ortp_srtp_supported();
5246                 case LinphoneMediaEncryptionZRTP:
5247                         return ortp_zrtp_available();
5248                 case LinphoneMediaEncryptionNone:
5249                         return TRUE;
5250         }
5251         return FALSE;
5252 }
5253
5254 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5255         const char *type="none";
5256         int ret=0;
5257         if (menc == LinphoneMediaEncryptionSRTP){
5258                 if (!ortp_srtp_supported()){
5259                         ms_warning("SRTP not supported by library.");
5260                         type="none";
5261                         ret=-1;
5262                 }else type="srtp";
5263         }else if (menc == LinphoneMediaEncryptionZRTP){
5264                 if (!ortp_zrtp_available()){
5265                         ms_warning("ZRTP not supported by library.");
5266                         type="none";
5267                         ret=-1;
5268                 }else type="zrtp";
5269         }
5270         lp_config_set_string(lc->config,"sip","media_encryption",type);
5271         return ret;
5272 }
5273
5274 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5275         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5276
5277         if (menc == NULL)
5278                 return LinphoneMediaEncryptionNone;
5279         else if (strcmp(menc, "srtp")==0)
5280                 return LinphoneMediaEncryptionSRTP;
5281         else if (strcmp(menc, "zrtp")==0)
5282                 return LinphoneMediaEncryptionZRTP;
5283         else
5284                 return LinphoneMediaEncryptionNone;
5285 }
5286
5287 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5288         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5289 }
5290
5291 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5292         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5293 }
5294
5295 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5296         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5297         params->media_encryption=linphone_core_get_media_encryption(lc);
5298         params->in_conference=FALSE;
5299 }
5300
5301
5302
5303 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5304         if (lc->device_id) ms_free(lc->device_id);
5305         lc->device_id=ms_strdup(device_id);
5306 }
5307 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5308         return lc->device_id;
5309 }
5310
5311 /**
5312  * Set the DSCP field for SIP signaling channel.
5313  *
5314  * @ingroup network_parameters
5315  * * The DSCP defines the quality of service in IP packets.
5316  *
5317 **/
5318 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5319         sal_set_dscp(lc->sal,dscp);
5320         if (linphone_core_ready(lc)){
5321                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5322                 apply_transports(lc);
5323         }
5324 }
5325
5326 /**
5327  * Get the DSCP field for SIP signaling channel.
5328  *
5329  * @ingroup network_parameters
5330  * * The DSCP defines the quality of service in IP packets.
5331  *
5332 **/
5333 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5334         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5335 }
5336
5337 /**
5338  * Set the DSCP field for outgoing audio streams.
5339  *
5340  * @ingroup network_parameters
5341  * The DSCP defines the quality of service in IP packets.
5342  *
5343 **/
5344 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5345         if (linphone_core_ready(lc))
5346                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5347 }
5348
5349 /**
5350  * Get the DSCP field for outgoing audio streams.
5351  *
5352  * @ingroup network_parameters
5353  * The DSCP defines the quality of service in IP packets.
5354  *
5355 **/
5356 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5357         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5358 }
5359
5360 /**
5361  * Set the DSCP field for outgoing video streams.
5362  *
5363  * @ingroup network_parameters
5364  * The DSCP defines the quality of service in IP packets.
5365  *
5366 **/
5367 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5368         if (linphone_core_ready(lc))
5369                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5370
5371 }
5372
5373 /**
5374  * Get the DSCP field for outgoing video streams.
5375  *
5376  * @ingroup network_parameters
5377  * The DSCP defines the quality of service in IP packets.
5378  *
5379 **/
5380 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5381         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5382 }