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

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