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 #include "linphonecore.h"
  21 #include "sipsetup.h"
  22 #include "lpconfig.h"
  23 #include "private.h"
  24
  25 #include <ortp/telephonyevents.h>
  26 #include <ortp/zrtp.h>
  27 #include "mediastreamer2/mediastream.h"
  28 #include "mediastreamer2/mseventqueue.h"
  29 #include "mediastreamer2/msvolume.h"
  30 #include "mediastreamer2/msequalizer.h"
  31 #include "mediastreamer2/dtmfgen.h"
  32
  33 #ifdef INET6
  34 #ifndef WIN32
  35 #include <netdb.h>
  36 #endif
  37 #endif
  38
  39 #ifdef HAVE_CONFIG_H
  40 #include "config.h"
  41 #endif
  42
  43 /*#define UNSTANDART_GSM_11K 1*/
  44
  45 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  46
  47 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  48 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  49 static void linphone_core_run_hooks(LinphoneCore *lc);
  50 static void linphone_core_free_hooks(LinphoneCore *lc);
  51
  52 #include "enum.h"
  53 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  54 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  55 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  56
  57 /* relative path where is stored local ring*/
  58 #define LOCAL_RING "rings/oldphone.wav"
  59 /* same for remote ring (ringback)*/
  60 #define REMOTE_RING "ringback.wav"
  61 #define HOLD_MUSIC "rings/toy-mono.wav"
  62
  63
  64 extern SalCallbacks linphone_sal_callbacks;
  65
  66 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  67 {
  68   obj->_func=func;
  69   obj->_user_data=ud;
  70 }
  71
  72 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  73         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  74         return 0;
  75 }
  76
  77
  78 /*prevent a gcc bug with %c*/
  79 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  80 #if !defined(_WIN32_WCE)
  81         return strftime(s, max, fmt, tm);
  82 #else
  83         return 0;
  84         /*FIXME*/
  85 #endif /*_WIN32_WCE*/
  86 }
  87
  88 static void set_call_log_date(LinphoneCallLog *cl, const struct tm *loctime){
  89         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",loctime);
  90 }
  91
  92 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
  93         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
  94         struct tm loctime;
  95         cl->dir=call->dir;
  96 #ifdef WIN32
  97 #if !defined(_WIN32_WCE)
  98         loctime=*localtime(&call->start_time);
  99         /*FIXME*/
 100 #endif /*_WIN32_WCE*/
 101 #else
 102         localtime_r(&call->start_time,&loctime);
 103 #endif
 104         set_call_log_date(cl,&loctime);
 105         cl->from=from;
 106         cl->to=to;
 107     cl->status=LinphoneCallAborted; /*default status*/
 108         return cl;
 109 }
 110
 111 void call_logs_write_to_config_file(LinphoneCore *lc){
 112         MSList *elem;
 113         char logsection[32];
 114         int i;
 115         char *tmp;
 116         LpConfig *cfg=lc->config;
 117
 118         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 119
 120         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 121                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 122                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 123                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 124                 lp_config_set_int(cfg,logsection,"status",cl->status);
 125                 tmp=linphone_address_as_string(cl->from);
 126                 lp_config_set_string(cfg,logsection,"from",tmp);
 127                 ms_free(tmp);
 128                 tmp=linphone_address_as_string(cl->to);
 129                 lp_config_set_string(cfg,logsection,"to",tmp);
 130                 ms_free(tmp);
 131                 lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 132                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 133                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 134                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 135         lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 136         }
 137         for(;i<lc->max_call_logs;++i){
 138                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 139                 lp_config_clean_section(cfg,logsection);
 140         }
 141 }
 142
 143 static void call_logs_read_from_config_file(LinphoneCore *lc){
 144         char logsection[32];
 145         int i;
 146         const char *tmp;
 147         LpConfig *cfg=lc->config;
 148         for(i=0;;++i){
 149                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 150                 if (lp_config_has_section(cfg,logsection)){
 151                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 152                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 153                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 154                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 155                         if (tmp) cl->from=linphone_address_new(tmp);
 156                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 157                         if (tmp) cl->to=linphone_address_new(tmp);
 158                         tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 159                         if (tmp) strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 160                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 161                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 162                         if (tmp) cl->refkey=ms_strdup(tmp);
 163                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 164             cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 165                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 166                 }else break;
 167         }
 168 }
 169
 170
 171
 172 /**
 173  * @addtogroup call_logs
 174  * @{
 175 **/
 176
 177 /**
 178  * Returns a human readable string describing the call.
 179  *
 180  * @note: the returned char* must be freed by the application (use ms_free()).
 181 **/
 182 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 183         char *status;
 184         char *tmp;
 185         char *from=linphone_address_as_string (cl->from);
 186         char *to=linphone_address_as_string (cl->to);
 187         switch(cl->status){
 188                 case LinphoneCallAborted:
 189                         status=_("aborted");
 190                         break;
 191                 case LinphoneCallSuccess:
 192                         status=_("completed");
 193                         break;
 194                 case LinphoneCallMissed:
 195                         status=_("missed");
 196                         break;
 197                 default:
 198                         status="unknown";
 199         }
 200         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 201                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 202                         cl->start_date,
 203                         from,
 204                         to,
 205                         status,
 206                         cl->duration/60,
 207                         cl->duration%60);
 208         ms_free(from);
 209         ms_free(to);
 210         return tmp;
 211 }
 212
 213 /**
 214  * Returns RTP statistics computed locally regarding the call.
 215  *
 216 **/
 217 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 218         return &cl->local_stats;
 219 }
 220
 221 /**
 222  * Returns RTP statistics computed by remote end and sent back via RTCP.
 223  *
 224  * @note Not implemented yet.
 225 **/
 226 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 227         return &cl->remote_stats;
 228 }
 229
 230 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 231         cl->user_pointer=up;
 232 }
 233
 234 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 235         return cl->user_pointer;
 236 }
 237
 238
 239
 240 /**
 241  * Associate a persistent reference key to the call log.
 242  *
 243  * The reference key can be for example an id to an external database.
 244  * It is stored in the config file, thus can survive to process exits/restarts.
 245  *
 246 **/
 247 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 248         if (cl->refkey!=NULL){
 249                 ms_free(cl->refkey);
 250                 cl->refkey=NULL;
 251         }
 252         if (refkey) cl->refkey=ms_strdup(refkey);
 253 }
 254
 255 /**
 256  * Get the persistent reference key associated to the call log.
 257  *
 258  * The reference key can be for example an id to an external database.
 259  * It is stored in the config file, thus can survive to process exits/restarts.
 260  *
 261 **/
 262 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 263         return cl->refkey;
 264 }
 265
 266 /** @} */
 267
 268 void linphone_call_log_destroy(LinphoneCallLog *cl){
 269         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 270         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 271         if (cl->refkey!=NULL) ms_free(cl->refkey);
 272         ms_free(cl);
 273 }
 274
 275 /**
 276  * Returns TRUE if the LinphoneCall asked to autoanswer
 277  *
 278 **/
 279 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 280         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 281         if(call)
 282                 return sal_call_autoanswer_asked(call->op);
 283         else
 284                 return FALSE;
 285 }
 286
 287 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 288         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 289         if (call)  return linphone_call_get_duration(call);
 290         return -1;
 291 }
 292
 293 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 294         LinphoneCall *call=linphone_core_get_current_call(lc);
 295         if (call==NULL) return NULL;
 296         return linphone_call_get_remote_address(call);
 297 }
 298
 299 /**
 300  * Enable logs in supplied FILE*.
 301  *
 302  * @ingroup misc
 303  *
 304  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 305  *
 306 **/
 307 void linphone_core_enable_logs(FILE *file){
 308         if (file==NULL) file=stdout;
 309         ortp_set_log_file(file);
 310         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 311 }
 312
 313 /**
 314  * Enable logs through the user's supplied log callback.
 315  *
 316  * @ingroup misc
 317  *
 318  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 319  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 320  *
 321 **/
 322 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 323         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 324         ortp_set_log_handler(logfunc);
 325 }
 326
 327 /**
 328  * Entirely disable logging.
 329  *
 330  * @ingroup misc
 331 **/
 332 void linphone_core_disable_logs(){
 333         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 334 }
 335
 336
 337 static void net_config_read (LinphoneCore *lc)
 338 {
 339         int tmp;
 340         const char *tmpstr;
 341         LpConfig *config=lc->config;
 342
 343         lc->net_conf.nat_address_ip = NULL;
 344         tmp=lp_config_get_int(config,"net","download_bw",0);
 345         linphone_core_set_download_bandwidth(lc,tmp);
 346         tmp=lp_config_get_int(config,"net","upload_bw",0);
 347         linphone_core_set_upload_bandwidth(lc,tmp);
 348         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 349         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 350         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 351         linphone_core_set_nat_address(lc,tmpstr);
 352         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 353         linphone_core_set_firewall_policy(lc,tmp);
 354         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 355         lc->net_conf.nat_sdp_only=tmp;
 356         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 357         linphone_core_set_mtu(lc,tmp);
 358         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 359         linphone_core_set_download_ptime(lc,tmp);
 360
 361 }
 362
 363 static void build_sound_devices_table(LinphoneCore *lc){
 364         const char **devices;
 365         const char **old;
 366         int ndev;
 367         int i;
 368         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 369         ndev=ms_list_size(elem);
 370         devices=ms_malloc((ndev+1)*sizeof(const char *));
 371         for (i=0;elem!=NULL;elem=elem->next,i++){
 372                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 373         }
 374         devices[ndev]=NULL;
 375         old=lc->sound_conf.cards;
 376         lc->sound_conf.cards=devices;
 377         if (old!=NULL) ms_free(old);
 378 }
 379
 380 static void sound_config_read(LinphoneCore *lc)
 381 {
 382         int tmp;
 383         const char *tmpbuf;
 384         const char *devid;
 385         float gain=0;
 386 #ifdef __linux
 387         /*alsadev let the user use custom alsa device within linphone*/
 388         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 389         if (devid){
 390                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 391                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 392         }
 393         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 394         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 395 #endif
 396         /* retrieve all sound devices */
 397         build_sound_devices_table(lc);
 398
 399         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 400         linphone_core_set_playback_device(lc,devid);
 401
 402         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 403         linphone_core_set_ringer_device(lc,devid);
 404
 405         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 406         linphone_core_set_capture_device(lc,devid);
 407
 408 /*
 409         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 410         linphone_core_set_play_level(lc,tmp);
 411         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 412         linphone_core_set_ring_level(lc,tmp);
 413         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 414         linphone_core_set_rec_level(lc,tmp);
 415         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 416         linphone_core_set_sound_source(lc,tmpbuf[0]);
 417 */
 418
 419         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 420         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 421         if (ortp_file_exist(tmpbuf)==-1) {
 422                 ms_warning("%s does not exist",tmpbuf);
 423                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 424         }
 425         if (strstr(tmpbuf,".wav")==NULL){
 426                 /* it currently uses old sound files, so replace them */
 427                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 428         }
 429         linphone_core_set_ring(lc,tmpbuf);
 430
 431         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 432         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 433         if (ortp_file_exist(tmpbuf)==-1){
 434                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 435         }
 436         if (strstr(tmpbuf,".wav")==NULL){
 437                 /* it currently uses old sound files, so replace them */
 438                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 439         }
 440         linphone_core_set_ringback(lc,tmpbuf);
 441
 442         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 443         check_sound_device(lc);
 444         lc->sound_conf.latency=0;
 445 #ifndef __ios
 446     tmp=TRUE;
 447 #else
 448     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 449 #endif
 450     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 451         linphone_core_enable_echo_cancellation(lc,tmp);
 452         linphone_core_enable_echo_limiter(lc,
 453                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 454         linphone_core_enable_agc(lc,
 455                 lp_config_get_int(lc->config,"sound","agc",0));
 456
 457         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 458         linphone_core_set_playback_gain_db (lc,gain);
 459
 460         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 461 }
 462
 463 static void sip_config_read(LinphoneCore *lc)
 464 {
 465         char *contact;
 466         const char *tmpstr;
 467         LCSipTransports tr;
 468         int i,tmp;
 469         int ipv6;
 470
 471         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 472         linphone_core_set_use_info_for_dtmf(lc,tmp);
 473
 474         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 475                 sal_use_session_timers(lc->sal,200);
 476         }
 477
 478         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 479         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 480         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 481
 482         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 483         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 484
 485         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 486         if (ipv6==-1){
 487                 ipv6=0;
 488         }
 489         linphone_core_enable_ipv6(lc,ipv6);
 490         memset(&tr,0,sizeof(tr));
 491         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)) {
 492                 tr.udp_port=(0xDFF&+random())+1024;
 493         } else {
 494                 tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",5060);
 495         }
 496         if (lp_config_get_int(lc->config,"sip","sip_tcp_random_port",0)) {
 497                 tr.tcp_port=(0xDFF&+random())+1024;
 498         } else {
 499                 tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 500         }
 501         if (lp_config_get_int(lc->config,"sip","sip_tls_random_port",0)) {
 502                 tr.tls_port=(0xDFF&+random())+1024;
 503         } else {
 504                 tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 505         }
 506
 507 #ifdef __linux
 508         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 509 #else
 510         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 511 #endif
 512         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 513         /*start listening on ports*/
 514         linphone_core_set_sip_transports(lc,&tr);
 515
 516         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 517         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 518                 const char *hostname=NULL;
 519                 const char *username=NULL;
 520 #ifdef HAVE_GETENV
 521                 hostname=getenv("HOST");
 522                 username=getenv("USER");
 523                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 524 #endif /*HAVE_GETENV*/
 525                 if (hostname==NULL)
 526                         hostname="unknown-host";
 527                 if (username==NULL){
 528                         username="toto";
 529                 }
 530                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 531                 linphone_core_set_primary_contact(lc,contact);
 532                 ms_free(contact);
 533         }
 534
 535         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 536         linphone_core_set_guess_hostname(lc,tmp);
 537
 538
 539         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",15);
 540         linphone_core_set_inc_timeout(lc,tmp);
 541
 542         /* get proxies config */
 543         for(i=0;; i++){
 544                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 545                 if (cfg!=NULL){
 546                         linphone_core_add_proxy_config(lc,cfg);
 547                 }else{
 548                         break;
 549                 }
 550         }
 551         /* get the default proxy */
 552         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 553         linphone_core_set_default_proxy_index(lc,tmp);
 554
 555         /* read authentication information */
 556         for(i=0;; i++){
 557                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 558                 if (ai!=NULL){
 559                         linphone_core_add_auth_info(lc,ai);
 560                         linphone_auth_info_destroy(ai);
 561                 }else{
 562                         break;
 563                 }
 564         }
 565         /*this is to filter out unsupported encryption schemes*/
 566         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 567
 568         /*for tuning or test*/
 569         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 570         lc->sip_conf.register_only_when_network_is_up=
 571                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 572         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 573         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 574         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 575         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 576         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 577         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 578 }
 579
 580 static void rtp_config_read(LinphoneCore *lc)
 581 {
 582         int port;
 583         int jitt_comp;
 584         int nortp_timeout;
 585         bool_t rtp_no_xmit_on_audio_mute;
 586
 587         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 588         linphone_core_set_audio_port(lc,port);
 589
 590         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 591         if (port==0) port=9078;
 592         linphone_core_set_video_port(lc,port);
 593
 594         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 595         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 596         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 597         if (jitt_comp==0) jitt_comp=60;
 598         lc->rtp_conf.video_jitt_comp=jitt_comp;
 599         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 600         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 601         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 602         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 603 }
 604
 605 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 606         PayloadType *candidate=NULL;
 607         int i;
 608         PayloadType *it;
 609         for(i=0;i<127;++i){
 610                 it=rtp_profile_get_payload(prof,i);
 611                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 612                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 613                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 614                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 615                                 /*exact match*/
 616                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 617                                 return it;
 618                         }else {
 619                                 if (candidate){
 620                                         if (it->recv_fmtp==NULL) candidate=it;
 621                                 }else candidate=it;
 622                         }
 623                 }
 624         }
 625         if (candidate && recv_fmtp){
 626                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 627         }
 628         return candidate;
 629 }
 630
 631 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 632         char codeckey[50];
 633         const char *mime,*fmtp;
 634         int rate,enabled;
 635         PayloadType *pt;
 636
 637         *ret=NULL;
 638         snprintf(codeckey,50,"%s_%i",type,index);
 639         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 640         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 641
 642         rate=lp_config_get_int(config,codeckey,"rate",8000);
 643         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 644         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 645         pt=find_payload(&av_profile,mime,rate,fmtp);
 646         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 647         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 648         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 649                         mime,rate,fmtp ? fmtp : "");
 650         *ret=pt;
 651         return TRUE;
 652 }
 653
 654 #define RANK_END 10000
 655 static const char *codec_pref_order[]={
 656         "SILK",
 657         "speex",
 658         "iLBC",
 659         "amr",
 660         "gsm",
 661         "pcmu",
 662         "pcma",
 663         "VP8",
 664         "H264",
 665         "MP4V-ES",
 666         "H263-1998",
 667         NULL,
 668 };
 669
 670 static int find_codec_rank(const char *mime){
 671         int i;
 672         for(i=0;codec_pref_order[i]!=NULL;++i){
 673                 if (strcasecmp(codec_pref_order[i],mime)==0)
 674                         return i;
 675         }
 676         return RANK_END;
 677 }
 678
 679 static int codec_compare(const PayloadType *a, const PayloadType *b){
 680         int ra,rb;
 681         ra=find_codec_rank(a->mime_type);
 682         rb=find_codec_rank(b->mime_type);
 683         if (ra>rb) return 1;
 684         if (ra<rb) return -1;
 685         return 0;
 686 }
 687
 688 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 689         int i;
 690         for(i=0;i<127;++i){
 691                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 692                 if (pt){
 693                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 694                                 pt=NULL;
 695                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 696                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 697                                 pt=NULL;
 698                         }
 699                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 700                                 if (ms_list_find(l,pt)==NULL){
 701                                         /*unranked codecs are disabled by default*/
 702                                         if (find_codec_rank(pt->mime_type)!=RANK_END){
 703                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 704                                         }
 705                                         ms_message("Adding new codec %s/%i with fmtp %s",
 706                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 707                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 708                                 }
 709                         }
 710                 }
 711         }
 712         return l;
 713 }
 714
 715 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 716         MSList *elem;
 717         for (elem=l;elem!=NULL;elem=elem->next){
 718                 PayloadType *ept=(PayloadType*)elem->data;
 719                 if (pt==ept)
 720                         return l;
 721         }
 722         l=ms_list_append(l,pt);
 723         return l;
 724 }
 725
 726 static void codecs_config_read(LinphoneCore *lc)
 727 {
 728         int i;
 729         PayloadType *pt;
 730         MSList *audio_codecs=NULL;
 731         MSList *video_codecs=NULL;
 732         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 733                 if (pt){
 734                         if (!ms_filter_codec_supported(pt->mime_type)){
 735                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 736                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 737                 }
 738         }
 739         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 740         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 741                 if (pt){
 742                         if (!ms_filter_codec_supported(pt->mime_type)){
 743                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 744                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 745                 }
 746         }
 747         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 748         linphone_core_set_audio_codecs(lc,audio_codecs);
 749         linphone_core_set_video_codecs(lc,video_codecs);
 750         linphone_core_update_allocated_audio_bandwidth(lc);
 751 }
 752
 753 static void build_video_devices_table(LinphoneCore *lc){
 754         const MSList *elem;
 755         int i;
 756         int ndev;
 757         const char **devices;
 758         if (lc->video_conf.cams)
 759                 ms_free(lc->video_conf.cams);
 760         /* retrieve all video devices */
 761         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 762         ndev=ms_list_size(elem);
 763         devices=ms_malloc((ndev+1)*sizeof(const char *));
 764         for (i=0;elem!=NULL;elem=elem->next,i++){
 765                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 766         }
 767         devices[ndev]=NULL;
 768         lc->video_conf.cams=devices;
 769 }
 770
 771 static void video_config_read(LinphoneCore *lc){
 772 #ifdef VIDEO_ENABLED
 773         int capture, display, self_view;
 774 #endif
 775         const char *str;
 776         LinphoneVideoPolicy vpol;
 777
 778         build_video_devices_table(lc);
 779
 780         str=lp_config_get_string(lc->config,"video","device",NULL);
 781         if (str && str[0]==0) str=NULL;
 782         linphone_core_set_video_device(lc,str);
 783
 784         linphone_core_set_preferred_video_size_by_name(lc,
 785                 lp_config_get_string(lc->config,"video","size","cif"));
 786
 787 #ifdef VIDEO_ENABLED
 788         capture=lp_config_get_int(lc->config,"video","capture",1);
 789         display=lp_config_get_int(lc->config,"video","display",1);
 790         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 791         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 792         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 793         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 794         if(lc->video_conf.displaytype)
 795                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 796
 797         linphone_core_enable_video(lc,capture,display);
 798         linphone_core_enable_self_view(lc,self_view);
 799         linphone_core_set_video_policy(lc,&vpol);
 800 #endif
 801 }
 802
 803 static void ui_config_read(LinphoneCore *lc)
 804 {
 805         LinphoneFriend *lf;
 806         int i;
 807         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 808                 linphone_core_add_friend(lc,lf);
 809         }
 810         call_logs_read_from_config_file(lc);
 811 }
 812
 813 /*
 814 static void autoreplier_config_init(LinphoneCore *lc)
 815 {
 816         autoreplier_config_t *config=&lc->autoreplier_conf;
 817         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 818         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 819         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 820         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 821         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 822         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 823 }
 824 */
 825
 826 bool_t linphone_core_tunnel_available(void){
 827 #ifdef TUNNEL_ENABLED
 828         return TRUE;
 829 #else
 830         return FALSE;
 831 #endif
 832 }
 833
 834 /**
 835  * Enable adaptive rate control (experimental feature, audio-only).
 836  *
 837  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 838  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 839  * available bandwidth.
 840 **/
 841 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 842         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 843 }
 844
 845 /**
 846  * Returns whether adaptive rate control is enabled.
 847  *
 848  * See linphone_core_enable_adaptive_rate_control().
 849 **/
 850 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 851         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 852 }
 853
 854 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 855         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 856 }
 857
 858 /**
 859  * Sets maximum available download bandwidth
 860  *
 861  * @ingroup media_parameters
 862  *
 863  * This is IP bandwidth, in kbit/s.
 864  * This information is used signaled to other parties during
 865  * calls (within SDP messages) so that the remote end can have
 866  * sufficient knowledge to properly configure its audio & video
 867  * codec output bitrate to not overflow available bandwidth.
 868  *
 869  * @param lc the LinphoneCore object
 870  * @param bw the bandwidth in kbits/s, 0 for infinite
 871  */
 872 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 873         lc->net_conf.download_bw=bw;
 874         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 875 }
 876
 877 /**
 878  * Sets maximum available upload bandwidth
 879  *
 880  * @ingroup media_parameters
 881  *
 882  * This is IP bandwidth, in kbit/s.
 883  * This information is used by liblinphone together with remote
 884  * side available bandwidth signaled in SDP messages to properly
 885  * configure audio & video codec's output bitrate.
 886  *
 887  * @param lc the LinphoneCore object
 888  * @param bw the bandwidth in kbits/s, 0 for infinite
 889  */
 890 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 891         lc->net_conf.upload_bw=bw;
 892         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 893 }
 894
 895 /**
 896  * Retrieve the maximum available download bandwidth.
 897  *
 898  * @ingroup media_parameters
 899  *
 900  * This value was set by linphone_core_set_download_bandwidth().
 901  *
 902 **/
 903 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 904         return lc->net_conf.download_bw;
 905 }
 906
 907 /**
 908  * Retrieve the maximum available upload bandwidth.
 909  *
 910  * @ingroup media_parameters
 911  *
 912  * This value was set by linphone_core_set_upload_bandwidth().
 913  *
 914 **/
 915 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 916         return lc->net_conf.upload_bw;
 917 }
 918 /**
 919  * Set audio packetization time linphone expects to receive from peer
 920  */
 921 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 922         lc->net_conf.down_ptime=ptime;
 923 }
 924
 925 /**
 926  * Get audio packetization time linphone expects to receive from peer
 927  */
 928 int linphone_core_get_download_ptime(LinphoneCore *lc) {
 929         return lc->net_conf.down_ptime;
 930 }
 931
 932 /**
 933  * Set audio packetization time linphone will send (in absence of requirement from peer)
 934  * A value of 0 stands for the current codec default packetization time.
 935  *
 936 **/
 937 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
 938         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
 939 }
 940
 941 /**
 942  * Set audio packetization time linphone will send (in absence of requirement from peer)
 943  * A value of 0 stands for the current codec default packetization time.
 944  *
 945 **/
 946 int linphone_core_get_upload_ptime(LinphoneCore *lc){
 947         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
 948 }
 949
 950
 951
 952 /**
 953  * Returns liblinphone's version as a string.
 954  *
 955  * @ingroup misc
 956  *
 957 **/
 958 const char * linphone_core_get_version(void){
 959         return liblinphone_version;
 960 }
 961
 962 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
 963         PayloadType *pt;
 964         pt=payload_type_clone(const_pt);
 965         if (number==-1){
 966                 /*look for a free number */
 967                 MSList *elem;
 968                 int i;
 969                 for(i=lc->dyn_pt;i<=127;++i){
 970                         bool_t already_assigned=FALSE;
 971                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
 972                                 PayloadType *it=(PayloadType*)elem->data;
 973                                 if (payload_type_get_number(it)==i){
 974                                         already_assigned=TRUE;
 975                                         break;
 976                                 }
 977                         }
 978                         if (!already_assigned){
 979                                 number=i;
 980                                 lc->dyn_pt=i+1;
 981                                 break;
 982                         }
 983                 }
 984                 if (number==-1){
 985                         ms_fatal("FIXME: too many codecs, no more free numbers.");
 986                 }
 987         }
 988         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
 989         payload_type_set_number(pt,number);
 990         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
 991         rtp_profile_set_payload(&av_profile,number,pt);
 992         lc->payload_types=ms_list_append(lc->payload_types,pt);
 993 }
 994
 995 static void linphone_core_free_payload_types(LinphoneCore *lc){
 996         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
 997         ms_list_free(lc->payload_types);
 998         lc->payload_types=NULL;
 999 }
1000
1001 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1002         lc->state=gstate;
1003         if (lc->vtable.global_state_changed){
1004                 lc->vtable.global_state_changed(lc,gstate,message);
1005         }
1006 }
1007 static void misc_config_read (LinphoneCore *lc) {
1008         LpConfig *config=lc->config;
1009     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1010     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1011 }
1012
1013
1014
1015
1016 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1017     const char *factory_config_path, void * userdata)
1018 {
1019         memset (lc, 0, sizeof (LinphoneCore));
1020         lc->data=userdata;
1021         lc->ringstream_autorelease=TRUE;
1022
1023         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1024
1025         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1026         ortp_init();
1027         lc->dyn_pt=96;
1028         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1029         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1030         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1031         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1032         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1033         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1034         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1035         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1036
1037 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1038         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1039          - to workaround potential packet losses
1040          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1041          */
1042         _linphone_core_configure_resolver();
1043 #endif
1044
1045 #ifdef ENABLE_NONSTANDARD_GSM
1046         {
1047                 PayloadType *pt;
1048                 pt=payload_type_clone(&payload_type_gsm);
1049                 pt->clock_rate=11025;
1050                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1051                 pt->clock_rate=22050;
1052                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1053                 payload_type_destroy(pt);
1054         }
1055 #endif
1056
1057 #ifdef VIDEO_ENABLED
1058         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1059         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1060         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1061         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1062         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1063         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1064         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1065         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1066         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1067 #endif
1068
1069         /*add all payload type for which we don't care about the number */
1070         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1071         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1072         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1073         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1074         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1075         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1076         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1077         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1078         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1079         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1080         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1081         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1082         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1083         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1084         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1085         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1086         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1087
1088         ms_init();
1089         /* create a mediastreamer2 event queue and set it as global */
1090         /* This allows to run event's callback in linphone_core_iterate() */
1091         lc->msevq=ms_event_queue_new();
1092         ms_set_global_event_queue(lc->msevq);
1093
1094         lc->config=lp_config_new(config_path);
1095         if (factory_config_path)
1096                 lp_config_read_file(lc->config,factory_config_path);
1097
1098         lc->sal=sal_init();
1099         sal_set_user_pointer(lc->sal,lc);
1100         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1101
1102         sip_setup_register_all();
1103         sound_config_read(lc);
1104         net_config_read(lc);
1105         rtp_config_read(lc);
1106         codecs_config_read(lc);
1107         sip_config_read(lc); /* this will start eXosip*/
1108         video_config_read(lc);
1109         //autoreplier_config_init(&lc->autoreplier_conf);
1110         lc->presence_mode=LinphoneStatusOnline;
1111         misc_config_read(lc);
1112         ui_config_read(lc);
1113 #ifdef TUNNEL_ENABLED
1114         lc->tunnel=linphone_core_tunnel_new(lc);
1115         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1116 #endif
1117         if (lc->vtable.display_status)
1118                 lc->vtable.display_status(lc,_("Ready"));
1119         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1120         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1121 }
1122
1123 /**
1124  * Instanciates a LinphoneCore object.
1125  * @ingroup initializing
1126  *
1127  * The LinphoneCore object is the primary handle for doing all phone actions.
1128  * It should be unique within your application.
1129  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1130  * @param config_path a path to a config file. If it does not exists it will be created.
1131  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1132  *             become persistent over the life of the LinphoneCore object.
1133  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1134  * @param factory_config_path a path to a read-only config file that can be used to
1135  *        to store hard-coded preference such as proxy settings or internal preferences.
1136  *        The settings in this factory file always override the one in the normal config file.
1137  *        It is OPTIONAL, use NULL if unneeded.
1138  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1139  *        callbacks) using linphone_core_get_user_data().
1140  *
1141 **/
1142 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1143                                                 const char *config_path, const char *factory_config_path, void * userdata)
1144 {
1145         LinphoneCore *core=ms_new(LinphoneCore,1);
1146         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1147         return core;
1148 }
1149
1150 /**
1151  * Returns the list of available audio codecs.
1152  *
1153  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1154  * structure holding the codec information.
1155  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1156  * (such as the order of codecs).
1157 **/
1158 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1159 {
1160         return lc->codecs_conf.audio_codecs;
1161 }
1162
1163 /**
1164  * Returns the list of available video codecs.
1165  *
1166  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1167  * structure holding the codec information.
1168  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1169  * (such as the order of codecs).
1170 **/
1171 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1172 {
1173         return lc->codecs_conf.video_codecs;
1174 }
1175
1176 /**
1177  * Sets the local "from" identity.
1178  *
1179  * @ingroup proxies
1180  * This data is used in absence of any proxy configuration or when no
1181  * default proxy configuration is set. See LinphoneProxyConfig
1182 **/
1183 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1184 {
1185         LinphoneAddress *ctt;
1186
1187         if ((ctt=linphone_address_new(contact))==0) {
1188                 ms_error("Bad contact url: %s",contact);
1189                 return -1;
1190         }
1191         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1192         lc->sip_conf.contact=ms_strdup(contact);
1193         if (lc->sip_conf.guessed_contact!=NULL){
1194                 ms_free(lc->sip_conf.guessed_contact);
1195                 lc->sip_conf.guessed_contact=NULL;
1196         }
1197         linphone_address_destroy(ctt);
1198         return 0;
1199 }
1200
1201
1202 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1203 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1204         const char *ip;
1205         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1206             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1207                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1208                 return;
1209         }
1210         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1211                 return;
1212         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1213         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1214 }
1215
1216 static void update_primary_contact(LinphoneCore *lc){
1217         char *guessed=NULL;
1218         char tmp[LINPHONE_IPADDR_SIZE];
1219
1220         LinphoneAddress *url;
1221         if (lc->sip_conf.guessed_contact!=NULL){
1222                 ms_free(lc->sip_conf.guessed_contact);
1223                 lc->sip_conf.guessed_contact=NULL;
1224         }
1225         url=linphone_address_new(lc->sip_conf.contact);
1226         if (!url){
1227                 ms_error("Could not parse identity contact !");
1228                 url=linphone_address_new("sip:unknown@unkwownhost");
1229         }
1230         linphone_core_get_local_ip(lc, NULL, tmp);
1231         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1232                 ms_warning("Local loopback network only !");
1233                 lc->sip_conf.loopback_only=TRUE;
1234         }else lc->sip_conf.loopback_only=FALSE;
1235         linphone_address_set_domain(url,tmp);
1236         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1237         guessed=linphone_address_as_string(url);
1238         lc->sip_conf.guessed_contact=guessed;
1239         linphone_address_destroy(url);
1240 }
1241
1242 /**
1243  * Returns the default identity when no proxy configuration is used.
1244  *
1245  * @ingroup proxies
1246 **/
1247 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1248         char *identity;
1249
1250         if (lc->sip_conf.guess_hostname){
1251                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1252                         update_primary_contact(lc);
1253                 }
1254                 identity=lc->sip_conf.guessed_contact;
1255         }else{
1256                 identity=lc->sip_conf.contact;
1257         }
1258         return identity;
1259 }
1260
1261 /**
1262  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1263  *
1264  * @ingroup proxies
1265 **/
1266 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1267         lc->sip_conf.guess_hostname=val;
1268 }
1269
1270 /**
1271  * Returns TRUE if hostname part of primary contact is guessed automatically.
1272  *
1273  * @ingroup proxies
1274 **/
1275 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1276         return lc->sip_conf.guess_hostname;
1277 }
1278
1279 /**
1280  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1281  * instead of const char*
1282  *
1283  * @ingroup proxies
1284 **/
1285 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1286         return linphone_address_new(linphone_core_get_primary_contact(lc));
1287 }
1288
1289 /**
1290  * Sets the list of audio codecs.
1291  *
1292  * @ingroup media_parameters
1293  * The list is taken by the LinphoneCore thus the application should not free it.
1294  * This list is made of struct PayloadType describing the codec parameters.
1295 **/
1296 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1297 {
1298         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1299         lc->codecs_conf.audio_codecs=codecs;
1300         return 0;
1301 }
1302
1303 /**
1304  * Sets the list of video codecs.
1305  *
1306  * @ingroup media_parameters
1307  * The list is taken by the LinphoneCore thus the application should not free it.
1308  * This list is made of struct PayloadType describing the codec parameters.
1309 **/
1310 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1311 {
1312         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1313         lc->codecs_conf.video_codecs=codecs;
1314         return 0;
1315 }
1316
1317 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1318 {
1319         return lc->friends;
1320 }
1321
1322 /**
1323  * Returns the nominal jitter buffer size in milliseconds.
1324  *
1325  * @ingroup media_parameters
1326 **/
1327 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1328 {
1329         return lc->rtp_conf.audio_jitt_comp;
1330 }
1331
1332 /**
1333  * Returns the UDP port used for audio streaming.
1334  *
1335  * @ingroup network_parameters
1336 **/
1337 int linphone_core_get_audio_port(const LinphoneCore *lc)
1338 {
1339         return lc->rtp_conf.audio_rtp_port;
1340 }
1341
1342 /**
1343  * Returns the UDP port used for video streaming.
1344  *
1345  * @ingroup network_parameters
1346 **/
1347 int linphone_core_get_video_port(const LinphoneCore *lc){
1348         return lc->rtp_conf.video_rtp_port;
1349 }
1350
1351
1352 /**
1353  * Returns the value in seconds of the no-rtp timeout.
1354  *
1355  * @ingroup media_parameters
1356  * When no RTP or RTCP packets have been received for a while
1357  * LinphoneCore will consider the call is broken (remote end crashed or
1358  * disconnected from the network), and thus will terminate the call.
1359  * The no-rtp timeout is the duration above which the call is considered broken.
1360 **/
1361 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1362         return lc->rtp_conf.nortp_timeout;
1363 }
1364
1365 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1366         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1367 }
1368
1369 /**
1370  * Sets the nominal audio jitter buffer size in milliseconds.
1371  *
1372  * @ingroup media_parameters
1373 **/
1374 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1375 {
1376         lc->rtp_conf.audio_jitt_comp=value;
1377 }
1378
1379 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1380         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1381 }
1382
1383 /**
1384  * Sets the UDP port used for audio streaming.
1385  *
1386  * @ingroup network_parameters
1387 **/
1388 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1389 {
1390         lc->rtp_conf.audio_rtp_port=port;
1391 }
1392
1393 /**
1394  * Sets the UDP port used for video streaming.
1395  *
1396  * @ingroup network_parameters
1397 **/
1398 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1399         lc->rtp_conf.video_rtp_port=port;
1400 }
1401
1402 /**
1403  * Sets the no-rtp timeout value in seconds.
1404  *
1405  * @ingroup media_parameters
1406  * See linphone_core_get_nortp_timeout() for details.
1407 **/
1408 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1409         lc->rtp_conf.nortp_timeout=nortp_timeout;
1410 }
1411
1412 /**
1413  * Indicates whether SIP INFO is used for sending digits.
1414  *
1415  * @ingroup media_parameters
1416 **/
1417 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1418 {
1419         return lc->sip_conf.use_info;
1420 }
1421
1422 /**
1423  * Sets whether SIP INFO is to be used for sending digits.
1424  *
1425  * @ingroup media_parameters
1426 **/
1427 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1428 {
1429         lc->sip_conf.use_info=use_info;
1430 }
1431
1432 /**
1433  * Indicates whether RFC2833 is used for sending digits.
1434  *
1435  * @ingroup media_parameters
1436 **/
1437 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1438 {
1439         return lc->sip_conf.use_rfc2833;
1440 }
1441
1442 /**
1443  * Sets whether RFC2833 is to be used for sending digits.
1444  *
1445  * @ingroup media_parameters
1446 **/
1447 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1448 {
1449         lc->sip_conf.use_rfc2833=use_rfc2833;
1450 }
1451
1452 /**
1453  * Returns the UDP port used by SIP.
1454  *
1455  * Deprecated: use linphone_core_get_sip_transports() instead.
1456  * @ingroup network_parameters
1457 **/
1458 int linphone_core_get_sip_port(LinphoneCore *lc)
1459 {
1460         LCSipTransports *tr=&lc->sip_conf.transports;
1461         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1462 }
1463
1464 static char _ua_name[64]="Linphone";
1465 static char _ua_version[64]=LINPHONE_VERSION;
1466
1467 #ifdef HAVE_EXOSIP_GET_VERSION
1468 extern const char *eXosip_get_version();
1469 #endif
1470
1471 static void apply_user_agent(LinphoneCore *lc){
1472         char ua_string[256];
1473         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1474 #ifdef HAVE_EXOSIP_GET_VERSION
1475                  eXosip_get_version()
1476 #else
1477                  "unknown"
1478 #endif
1479         );
1480         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1481 }
1482
1483 /**
1484  * Sets the user agent string used in SIP messages.
1485  *
1486  * @ingroup misc
1487 **/
1488 void linphone_core_set_user_agent(const char *name, const char *ver){
1489         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1490         strncpy(_ua_version,ver,sizeof(_ua_version));
1491 }
1492
1493 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1494         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1495         ms_warning("%s",msg);
1496         if (lc->vtable.display_warning)
1497                 lc->vtable.display_warning(lc,msg);
1498         ms_free(msg);
1499 }
1500
1501 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1502         return
1503                 tr2->udp_port==tr1->udp_port &&
1504                 tr2->tcp_port==tr1->tcp_port &&
1505                 tr2->dtls_port==tr1->dtls_port &&
1506                 tr2->tls_port==tr1->tls_port;
1507 }
1508
1509 static int apply_transports(LinphoneCore *lc){
1510         Sal *sal=lc->sal;
1511         const char *anyaddr;
1512         LCSipTransports *tr=&lc->sip_conf.transports;
1513
1514         /*first of all invalidate all current registrations so that we can register again with new transports*/
1515         __linphone_core_invalidate_registers(lc);
1516
1517         if (lc->sip_conf.ipv6_enabled)
1518                 anyaddr="::0";
1519         else
1520                 anyaddr="0.0.0.0";
1521
1522         sal_unlisten_ports(sal);
1523         if (tr->udp_port>0){
1524                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1525                         transport_error(lc,"udp",tr->udp_port);
1526                         return -1;
1527                 }
1528         }
1529         if (tr->tcp_port>0){
1530                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1531                         transport_error(lc,"tcp",tr->tcp_port);
1532                 }
1533         }
1534         if (tr->tls_port>0){
1535                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1536                         transport_error(lc,"tls",tr->tls_port);
1537                 }
1538         }
1539         apply_user_agent(lc);
1540         return 0;
1541 }
1542
1543 /**
1544  * Sets the ports to be used for each of transport (UDP or TCP)
1545  *
1546  * A zero value port for a given transport means the transport
1547  * is not used.
1548  *
1549  * @ingroup network_parameters
1550 **/
1551 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1552
1553         if (transports_unchanged(tr,&lc->sip_conf.transports))
1554                 return 0;
1555         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1556
1557         if (linphone_core_ready(lc)){
1558                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1559                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1560                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1561         }
1562
1563         if (lc->sal==NULL) return 0;
1564         return apply_transports(lc);
1565 }
1566
1567 /**
1568  * Retrieves the ports used for each transport (udp, tcp).
1569  * A zero value port for a given transport means the transport
1570  * is not used.
1571  * @ingroup network_parameters
1572 **/
1573 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1574         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1575         return 0;
1576 }
1577
1578 /**
1579  * Sets the UDP port to be used by SIP.
1580  *
1581  * Deprecated: use linphone_core_set_sip_transports() instead.
1582  * @ingroup network_parameters
1583 **/
1584 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1585 {
1586         LCSipTransports tr;
1587         memset(&tr,0,sizeof(tr));
1588         tr.udp_port=port;
1589         linphone_core_set_sip_transports (lc,&tr);
1590 }
1591
1592 /**
1593  * Returns TRUE if IPv6 is enabled.
1594  *
1595  * @ingroup network_parameters
1596  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1597 **/
1598 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1599         return lc->sip_conf.ipv6_enabled;
1600 }
1601
1602 /**
1603  * Turns IPv6 support on or off.
1604  *
1605  * @ingroup network_parameters
1606  *
1607  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1608  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1609  * By default IPv6 support is off.
1610 **/
1611 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1612         if (lc->sip_conf.ipv6_enabled!=val){
1613                 lc->sip_conf.ipv6_enabled=val;
1614                 if (lc->sal){
1615                         /* we need to restart eXosip */
1616                         apply_transports(lc);
1617                 }
1618         }
1619 }
1620
1621
1622 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1623         static time_t last_check=0;
1624         static bool_t last_status=FALSE;
1625         char result[LINPHONE_IPADDR_SIZE];
1626         bool_t new_status=last_status;
1627
1628         /* only do the network up checking every five seconds */
1629         if (last_check==0 || (curtime-last_check)>=5){
1630                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1631                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1632                         new_status=TRUE;
1633                 }else new_status=FALSE;
1634                 last_check=curtime;
1635                 if (new_status!=last_status) {
1636                         if (new_status){
1637                                 ms_message("New local ip address is %s",result);
1638                         }
1639                         set_network_reachable(lc,new_status, curtime);
1640                         last_status=new_status;
1641                 }
1642         }
1643 }
1644
1645 static void proxy_update(LinphoneCore *lc){
1646         MSList *elem,*next;
1647         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1648         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1649                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1650                 next=elem->next;
1651                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1652                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1653                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1654                         linphone_proxy_config_destroy(cfg);
1655                 }
1656         }
1657 }
1658
1659 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1660         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1661         if (lf!=NULL){
1662                 lf->info=info;
1663                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1664                 if (lc->vtable.buddy_info_updated)
1665                         lc->vtable.buddy_info_updated(lc,lf);
1666         }else{
1667                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1668         }
1669 }
1670
1671 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1672         MSList *elem;
1673         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1674         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1675                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1676                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1677                         if (req->results!=NULL){
1678                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1679                                 ms_list_free(req->results);
1680                                 req->results=NULL;
1681                                 assign_buddy_info(lc,i);
1682                         }
1683                         sip_setup_context_buddy_lookup_free(ctx,req);
1684                         elem->data=NULL;
1685                 }
1686         }
1687         /*purge completed requests */
1688         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1689                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1690         }
1691 }
1692
1693 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1694         const MSList *elem;
1695         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1696         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1697                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1698                 if (lf->info==NULL){
1699                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1700                                 if (linphone_address_get_username(lf->uri)!=NULL){
1701                                         BuddyLookupRequest *req;
1702                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1703                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1704                                         buddy_lookup_request_set_key(req,tmp);
1705                                         buddy_lookup_request_set_max_results(req,1);
1706                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1707                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1708                                         ms_free(tmp);
1709                                 }
1710                         }
1711                 }
1712         }
1713 }
1714
1715 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1716         LinphoneProxyConfig *cfg=NULL;
1717         linphone_core_get_default_proxy(lc,&cfg);
1718         if (cfg){
1719                 if (lc->bl_refresh){
1720                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1721                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1722                                 linphone_core_grab_buddy_infos(lc,cfg);
1723                                 lc->bl_refresh=FALSE;
1724                         }
1725                 }
1726                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1727         }
1728 }
1729
1730 /**
1731  * Main loop function. It is crucial that your application call it periodically.
1732  *
1733  * @ingroup initializing
1734  * linphone_core_iterate() performs various backgrounds tasks:
1735  * - receiving of SIP messages
1736  * - handles timers and timeout
1737  * - performs registration to proxies
1738  * - authentication retries
1739  * The application MUST call this function periodically, in its main loop.
1740  * Be careful that this function must be called from the same thread as
1741  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1742  * serialized with a mutex.
1743 **/
1744 void linphone_core_iterate(LinphoneCore *lc){
1745         MSList *calls;
1746         LinphoneCall *call;
1747         time_t curtime=time(NULL);
1748         int elapsed;
1749         bool_t one_second_elapsed=FALSE;
1750
1751         if (curtime-lc->prevtime>=1){
1752                 lc->prevtime=curtime;
1753                 one_second_elapsed=TRUE;
1754         }
1755
1756         if (lc->ecc!=NULL){
1757                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1758                 if (ecs!=LinphoneEcCalibratorInProgress){
1759                         if (lc->ecc->cb)
1760                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1761                         if (ecs==LinphoneEcCalibratorDone){
1762                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1763                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1764                         }
1765                         ec_calibrator_destroy(lc->ecc);
1766                         lc->ecc=NULL;
1767                 }
1768         }
1769
1770         if (lc->preview_finished){
1771                 lc->preview_finished=0;
1772                 ring_stop(lc->ringstream);
1773                 lc->ringstream=NULL;
1774                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1775         }
1776
1777         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1778             && (curtime-lc->dmfs_playing_start_time)>5){
1779                 ring_stop(lc->ringstream);
1780                 lc->ringstream=NULL;
1781                 lc->dmfs_playing_start_time=0;
1782         }
1783
1784         sal_iterate(lc->sal);
1785         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1786         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1787
1788         proxy_update(lc);
1789
1790         //we have to iterate for each call
1791         calls= lc->calls;
1792         while(calls!= NULL){
1793                 call = (LinphoneCall *)calls->data;
1794                  /* get immediately a reference to next one in case the one
1795                  we are going to examine is destroy and removed during
1796                  linphone_core_start_invite() */
1797                 calls=calls->next;
1798                 linphone_call_background_tasks(call,one_second_elapsed);
1799                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1800                         /*start the call even if the OPTIONS reply did not arrive*/
1801                         linphone_core_start_invite(lc,call,NULL);
1802                 }
1803                 if (call->dir==LinphoneCallIncoming && call->state==LinphoneCallOutgoingRinging){
1804                         elapsed=curtime-call->start_time;
1805                         ms_message("incoming call ringing for %i seconds",elapsed);
1806                         if (elapsed>lc->sip_conf.inc_timeout){
1807                                 call->log->status=LinphoneCallMissed;
1808                                 linphone_core_terminate_call(lc,call);
1809                         }
1810                 }
1811         }
1812
1813         if (linphone_core_video_preview_enabled(lc)){
1814                 if (lc->previewstream==NULL && lc->calls==NULL)
1815                         toggle_video_preview(lc,TRUE);
1816 #ifdef VIDEO_ENABLED
1817                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1818 #endif
1819         }else{
1820                 if (lc->previewstream!=NULL)
1821                         toggle_video_preview(lc,FALSE);
1822         }
1823
1824         linphone_core_run_hooks(lc);
1825         linphone_core_do_plugin_tasks(lc);
1826
1827         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1828             (curtime-lc->netup_time)>3){
1829                 linphone_core_send_initial_subscribes(lc);
1830                 lc->initial_subscribes_sent=TRUE;
1831         }
1832
1833         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1834                 lp_config_sync(lc->config);
1835         }
1836 }
1837
1838 /**
1839  * Interpret a call destination as supplied by the user, and returns a fully qualified
1840  * LinphoneAddress.
1841  *
1842  * A sip address should look like DisplayName <sip:username@domain:port> .
1843  * Basically this function performs the following tasks
1844  * - if a phone number is entered, prepend country prefix of the default proxy
1845  *   configuration, eventually escape the '+' by 00.
1846  * - if no domain part is supplied, append the domain name of the default proxy
1847  * - if no sip: is present, prepend it
1848  *
1849  * The result is a syntaxically correct SIP address.
1850 **/
1851
1852 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1853         enum_lookup_res_t *enumres=NULL;
1854         char *enum_domain=NULL;
1855         LinphoneProxyConfig *proxy=lc->default_proxy;;
1856         char *tmpurl;
1857         LinphoneAddress *uri;
1858
1859         if (is_enum(url,&enum_domain)){
1860                 if (lc->vtable.display_status!=NULL)
1861                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1862                 if (enum_lookup(enum_domain,&enumres)<0){
1863                         if (lc->vtable.display_status!=NULL)
1864                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1865                         ms_free(enum_domain);
1866                         return NULL;
1867                 }
1868                 ms_free(enum_domain);
1869                 tmpurl=enumres->sip_address[0];
1870                 uri=linphone_address_new(tmpurl);
1871                 enum_lookup_res_free(enumres);
1872                 return uri;
1873         }
1874         /* check if we have a "sip:" */
1875         if (strstr(url,"sip:")==NULL){
1876                 /* this doesn't look like a true sip uri */
1877                 if (strchr(url,'@')!=NULL){
1878                         /* seems like sip: is missing !*/
1879                         tmpurl=ms_strdup_printf("sip:%s",url);
1880                         uri=linphone_address_new(tmpurl);
1881                         ms_free(tmpurl);
1882                         if (uri){
1883                                 return uri;
1884                         }
1885                 }
1886
1887                 if (proxy!=NULL){
1888                         /* append the proxy domain suffix */
1889                         const char *identity=linphone_proxy_config_get_identity(proxy);
1890                         char normalized_username[128];
1891                         uri=linphone_address_new(identity);
1892                         if (uri==NULL){
1893                                 return NULL;
1894                         }
1895                         linphone_address_set_display_name(uri,NULL);
1896                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1897                                                                 sizeof(normalized_username));
1898                         linphone_address_set_username(uri,normalized_username);
1899                         return uri;
1900                 }else return NULL;
1901         }
1902         uri=linphone_address_new(url);
1903         if (uri!=NULL){
1904                 return uri;
1905         }
1906         /* else we could not do anything with url given by user, so display an error */
1907         if (lc->vtable.display_warning!=NULL){
1908                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1909         }
1910         return NULL;
1911 }
1912
1913 /**
1914  * Returns the default identity SIP address.
1915  *
1916  * @ingroup proxies
1917  * This is an helper function:
1918  *
1919  * If no default proxy is set, this will return the primary contact (
1920  * see linphone_core_get_primary_contact() ). If a default proxy is set
1921  * it returns the registered identity on the proxy.
1922 **/
1923 const char * linphone_core_get_identity(LinphoneCore *lc){
1924         LinphoneProxyConfig *proxy=NULL;
1925         const char *from;
1926         linphone_core_get_default_proxy(lc,&proxy);
1927         if (proxy!=NULL) {
1928                 from=linphone_proxy_config_get_identity(proxy);
1929         }else from=linphone_core_get_primary_contact(lc);
1930         return from;
1931 }
1932
1933 const char * linphone_core_get_route(LinphoneCore *lc){
1934         LinphoneProxyConfig *proxy=NULL;
1935         const char *route=NULL;
1936         linphone_core_get_default_proxy(lc,&proxy);
1937         if (proxy!=NULL) {
1938                 route=linphone_proxy_config_get_route(proxy);
1939         }
1940         return route;
1941 }
1942
1943 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
1944         if (call->refer_pending){
1945                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
1946                 LinphoneCall *newcall;
1947                 cp->has_video &= !!lc->video_policy.automatically_initiate;
1948                 cp->referer=call;
1949                 ms_message("Starting new call to refered address %s",call->refer_to);
1950                 call->refer_pending=FALSE;
1951                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
1952                 linphone_call_params_destroy(cp);
1953                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
1954         }
1955 }
1956
1957 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
1958         if (referer->op!=NULL){
1959                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
1960         }
1961 }
1962
1963 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1964         const MSList *elem;
1965         LinphoneProxyConfig *found_cfg=NULL;
1966         LinphoneProxyConfig *default_cfg=lc->default_proxy;
1967
1968         /*always prefer the default proxy if it is matching the destination uri*/
1969         if (default_cfg){
1970                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
1971                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
1972                         return default_cfg;
1973         }
1974
1975         /*otherwise iterate through the other proxy config and return the first matching*/
1976         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1977                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1978                 const char *domain=linphone_proxy_config_get_domain(cfg);
1979                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1980                         found_cfg=cfg;
1981                         break;
1982                 }
1983         }
1984         return found_cfg;
1985 }
1986
1987 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
1988         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
1989         if (cfg==NULL)
1990                 linphone_core_get_default_proxy (lc,&cfg);
1991         if (cfg!=NULL){
1992                 if (route) *route=linphone_proxy_config_get_route(cfg);
1993                 return linphone_proxy_config_get_identity (cfg);
1994         }
1995         return linphone_core_get_primary_contact (lc);
1996 }
1997
1998 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
1999         LinphoneAddress *ctt;
2000         const char *localip=call->localip;
2001
2002         /* first use user's supplied ip address if asked*/
2003         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2004                 ctt=linphone_core_get_primary_contact_parsed(lc);
2005                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2006                         linphone_core_get_nat_address_resolved(lc));
2007         }
2008
2009         /* if already choosed, don't change it */
2010         if (call->op && sal_op_get_contact(call->op)!=NULL){
2011                 return NULL;
2012         }
2013         /* if the ping OPTIONS request succeeded use the contact guessed from the
2014          received, rport*/
2015         if (call->ping_op){
2016                 const char *guessed=sal_op_get_contact(call->ping_op);
2017                 if (guessed){
2018                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2019                         return ms_strdup(guessed);
2020                 }
2021         }
2022
2023         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2024         if (dest_proxy && dest_proxy->op){
2025                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2026                 if (fixed_contact) {
2027                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2028                         return ms_strdup(fixed_contact);
2029                 }
2030         }
2031
2032         ctt=linphone_core_get_primary_contact_parsed(lc);
2033
2034         if (ctt!=NULL){
2035                 char *ret;
2036                 /*otherwise use supllied localip*/
2037                 linphone_address_set_domain(ctt,localip);
2038                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2039                 ret=linphone_address_as_string_uri_only(ctt);
2040                 linphone_address_destroy(ctt);
2041                 ms_message("Contact has been fixed using local ip to %s",ret);
2042                 return ret;
2043         }
2044         return NULL;
2045 }
2046
2047 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2048         int err;
2049         char *contact;
2050         char *real_url,*barmsg;
2051         char *from;
2052
2053         /*try to be best-effort in giving real local or routable contact address */
2054         contact=get_fixed_contact(lc,call,dest_proxy);
2055         if (contact){
2056                 sal_op_set_contact(call->op, contact);
2057                 ms_free(contact);
2058         }
2059
2060         //TODO : should probably not be done here
2061         linphone_call_init_media_streams(call);
2062         if (!lc->sip_conf.sdp_200_ack){
2063                 call->media_pending=TRUE;
2064                 sal_call_set_local_media_description(call->op,call->localdesc);
2065         }
2066         real_url=linphone_address_as_string(call->log->to);
2067         from=linphone_address_as_string(call->log->from);
2068         err=sal_call(call->op,from,real_url);
2069
2070         if (lc->sip_conf.sdp_200_ack){
2071                 call->media_pending=TRUE;
2072                 sal_call_set_local_media_description(call->op,call->localdesc);
2073         }
2074         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2075         if (lc->vtable.display_status!=NULL)
2076                 lc->vtable.display_status(lc,barmsg);
2077         ms_free(barmsg);
2078
2079         if (err<0){
2080                 if (lc->vtable.display_status!=NULL)
2081                         lc->vtable.display_status(lc,_("Could not call"));
2082                 linphone_call_stop_media_streams(call);
2083                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2084         }else {
2085                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2086         }
2087         ms_free(real_url);
2088         ms_free(from);
2089         return err;
2090 }
2091
2092 /**
2093  * Initiates an outgoing call
2094  *
2095  * @ingroup call_control
2096  * @param lc the LinphoneCore object
2097  * @param url the destination of the call (sip address, or phone number).
2098  *
2099  * The application doesn't own a reference to the returned LinphoneCall object.
2100  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2101  *
2102  * @return a LinphoneCall object or NULL in case of failure
2103 **/
2104 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2105         LinphoneCall *call;
2106         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2107         p->has_video &= !!lc->video_policy.automatically_initiate;
2108         call=linphone_core_invite_with_params(lc,url,p);
2109         linphone_call_params_destroy(p);
2110         return call;
2111 }
2112
2113
2114 /**
2115  * Initiates an outgoing call according to supplied call parameters
2116  *
2117  * @ingroup call_control
2118  * @param lc the LinphoneCore object
2119  * @param url the destination of the call (sip address, or phone number).
2120  * @param p call parameters
2121  *
2122  * The application doesn't own a reference to the returned LinphoneCall object.
2123  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2124  *
2125  * @return a LinphoneCall object or NULL in case of failure
2126 **/
2127 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2128         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2129         if (addr){
2130                 LinphoneCall *call;
2131                 call=linphone_core_invite_address_with_params(lc,addr,p);
2132                 linphone_address_destroy(addr);
2133                 return call;
2134         }
2135         return NULL;
2136 }
2137
2138 /**
2139  * Initiates an outgoing call given a destination LinphoneAddress
2140  *
2141  * @ingroup call_control
2142  * @param lc the LinphoneCore object
2143  * @param addr the destination of the call (sip address).
2144  *
2145  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2146  * created by linphone_core_interpret_url().
2147  * The application doesn't own a reference to the returned LinphoneCall object.
2148  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2149  *
2150  * @return a LinphoneCall object or NULL in case of failure
2151 **/
2152 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2153         LinphoneCall *call;
2154         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2155         p->has_video &= !!lc->video_policy.automatically_initiate;
2156         call=linphone_core_invite_address_with_params (lc,addr,p);
2157         linphone_call_params_destroy(p);
2158         return call;
2159 }
2160
2161
2162 /**
2163  * Initiates an outgoing call given a destination LinphoneAddress
2164  *
2165  * @ingroup call_control
2166  * @param lc the LinphoneCore object
2167  * @param addr the destination of the call (sip address).
2168         @param params call parameters
2169  *
2170  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2171  * created by linphone_core_interpret_url().
2172  * The application doesn't own a reference to the returned LinphoneCall object.
2173  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2174  *
2175  * @return a LinphoneCall object or NULL in case of failure
2176 **/
2177 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2178 {
2179         const char *route=NULL;
2180         const char *from=NULL;
2181         LinphoneProxyConfig *proxy=NULL;
2182         LinphoneAddress *parsed_url2=NULL;
2183         char *real_url=NULL;
2184         LinphoneProxyConfig *dest_proxy=NULL;
2185         LinphoneCall *call;
2186
2187         linphone_core_preempt_sound_resources(lc);
2188
2189         if(!linphone_core_can_we_add_call(lc)){
2190                 if (lc->vtable.display_warning)
2191                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2192                 return NULL;
2193         }
2194         linphone_core_get_default_proxy(lc,&proxy);
2195         route=linphone_core_get_route(lc);
2196
2197         real_url=linphone_address_as_string(addr);
2198         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2199
2200         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2201                 ms_message("Overriding default proxy setting for this call:");
2202                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2203         }
2204
2205         if (dest_proxy!=NULL)
2206                 from=linphone_proxy_config_get_identity(dest_proxy);
2207         else if (proxy!=NULL)
2208                 from=linphone_proxy_config_get_identity(proxy);
2209
2210         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2211         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2212
2213         parsed_url2=linphone_address_new(from);
2214
2215         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2216         sal_op_set_route(call->op,route);
2217
2218         if(linphone_core_add_call(lc,call)!= 0)
2219         {
2220                 ms_warning("we had a problem in adding the call into the invite ... weird");
2221                 linphone_call_unref(call);
2222                 return NULL;
2223         }
2224         /* this call becomes now the current one*/
2225         lc->current_call=call;
2226         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2227         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2228                 linphone_core_start_invite(lc,call,dest_proxy);
2229         }else{
2230                 /*defer the start of the call after the OPTIONS ping*/
2231                 call->ping_op=sal_op_new(lc->sal);
2232                 sal_ping(call->ping_op,from,real_url);
2233                 sal_op_set_user_pointer(call->ping_op,call);
2234                 call->start_time=time(NULL);
2235         }
2236
2237         if (real_url!=NULL) ms_free(real_url);
2238         return call;
2239 }
2240
2241 /**
2242  * Performs a simple call transfer to the specified destination.
2243  *
2244  * The remote endpoint is expected to issue a new call to the specified destination.
2245  * The current call remains active and thus can be later paused or terminated.
2246 **/
2247 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2248 {
2249         char *real_url=NULL;
2250         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2251
2252         if (!real_parsed_url){
2253                 /* bad url */
2254                 return -1;
2255         }
2256         if (call==NULL){
2257                 ms_warning("No established call to refer.");
2258                 return -1;
2259         }
2260         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2261         real_url=linphone_address_as_string (real_parsed_url);
2262         sal_call_refer(call->op,real_url);
2263         ms_free(real_url);
2264         linphone_address_destroy(real_parsed_url);
2265         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2266         return 0;
2267 }
2268
2269 /**
2270  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2271  * @param lc linphone core object
2272  * @param call a running call you want to transfer
2273  * @param dest a running call whose remote person will receive the transfer
2274  *
2275  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2276  * The destination call is a call previously established to introduce the transfered person.
2277  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2278  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2279  * close the call with us (the 'dest' call).
2280 **/
2281 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2282         int result = sal_call_refer_with_replaces (call->op,dest->op);
2283         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2284         return result;
2285 }
2286
2287 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2288         LinphoneCall *call = linphone_core_get_current_call(lc);
2289         if(call != NULL)
2290         {
2291                 if(call->dir==LinphoneCallIncoming
2292                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2293                         return TRUE;
2294         }
2295         return FALSE;
2296 }
2297
2298 /**
2299  * @ingroup call_control
2300  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2301  *
2302  * In this version this is limited to the following use cases:
2303  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2304  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2305  *
2306  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2307  * @param lc the core
2308  * @param call the call to be updated
2309  * @param params the new call parameters to use. (may be NULL)
2310  * @return 0 if successful, -1 otherwise.
2311 **/
2312 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2313         int err=0;
2314         if (params!=NULL){
2315                 const char *subject;
2316                 call->params=*params;
2317                 call->camera_active=call->params.has_video;
2318                 update_local_media_description(lc,call);
2319
2320                 if (params->in_conference){
2321                         subject="Conference";
2322                 }else{
2323                         subject="Media change";
2324                 }
2325                 if (lc->vtable.display_status)
2326                         lc->vtable.display_status(lc,_("Modifying call parameters..."));
2327                 sal_call_set_local_media_description (call->op,call->localdesc);
2328                 err=sal_call_update(call->op,subject);
2329         }else{
2330 #ifdef VIDEO_ENABLED
2331                 if (call->videostream!=NULL){
2332                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2333                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2334                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2335                         }else video_stream_update_video_params(call->videostream);
2336                 }
2337 #endif
2338         }
2339
2340         return err;
2341 }
2342
2343 /**
2344  * @ingroup call_control
2345  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2346  *
2347  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2348  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2349  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2350  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2351  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2352  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2353  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2354  *
2355  * @Returns 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2356 **/
2357 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2358         if (call->state==LinphoneCallUpdatedByRemote){
2359                 call->defer_update=TRUE;
2360                 return 0;
2361         }
2362         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2363         return -1;
2364 }
2365
2366 /**
2367  * @ingroup call_control
2368  * Accept call modifications initiated by other end.
2369  *
2370  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2371  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2372  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2373  * requested by the other party, such as whether a video stream is requested.
2374  *
2375  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2376  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2377  * If params is not NULL, then the update will be accepted according to the parameters passed.
2378  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2379  * (see linphone_call_params_enable_video()).
2380  * @param lc the linphone core object.
2381  * @param call the LinphoneCall object
2382  * @param params a LinphoneCallParams object describing the call parameters to accept.
2383  * @Returns 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2384 **/
2385 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2386         SalMediaDescription *md;
2387         if (call->state!=LinphoneCallUpdatedByRemote){
2388                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2389                          linphone_call_state_to_string(call->state));
2390                 return -1;
2391         }
2392         if (params==NULL){
2393                 call->params.has_video=lc->video_policy.automatically_accept;
2394         }else
2395                 call->params=*params;
2396
2397         if (call->current_params.in_conference) {
2398                 ms_warning("Video isn't supported in conference");
2399                 call->params.has_video = FALSE;
2400         }
2401         call->camera_active=call->params.has_video;
2402         update_local_media_description(lc,call);
2403         sal_call_set_local_media_description(call->op,call->localdesc);
2404         sal_call_accept(call->op);
2405         md=sal_call_get_final_media_description(call->op);
2406         if (md && !sal_media_description_empty(md))
2407                 linphone_core_update_streams (lc,call,md);
2408         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2409         return 0;
2410 }
2411
2412 /**
2413  * Accept an incoming call.
2414  *
2415  * @ingroup call_control
2416  * Basically the application is notified of incoming calls within the
2417  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2418  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2419  * The application can later accept the call using this method.
2420  * @param lc the LinphoneCore object
2421  * @param call the LinphoneCall object representing the call to be answered.
2422  *
2423 **/
2424 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2425         return linphone_core_accept_call_with_params(lc,call,NULL);
2426 }
2427
2428 /**
2429  * Accept an incoming call, with parameters.
2430  *
2431  * @ingroup call_control
2432  * Basically the application is notified of incoming calls within the
2433  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2434  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2435  * The application can later accept the call using
2436  * this method.
2437  * @param lc the LinphoneCore object
2438  * @param call the LinphoneCall object representing the call to be answered.
2439  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2440  *
2441 **/
2442 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2443 {
2444         LinphoneProxyConfig *cfg=NULL,*dest_proxy=NULL;
2445         const char *contact=NULL;
2446         SalOp *replaced;
2447         SalMediaDescription *new_md;
2448
2449         if (call==NULL){
2450                 //if just one call is present answer the only one ...
2451                 if(linphone_core_get_calls_nb (lc) != 1)
2452                         return -1;
2453                 else
2454                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2455         }
2456
2457         if (call->state==LinphoneCallConnected){
2458                 /*call already accepted*/
2459                 return -1;
2460         }
2461
2462         /* check if this call is supposed to replace an already running one*/
2463         replaced=sal_call_get_replaces(call->op);
2464         if (replaced){
2465                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2466                 if (rc){
2467                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2468                                    call,rc);
2469                         linphone_core_terminate_call(lc,rc);
2470                 }
2471         }
2472
2473         if (lc->current_call!=call){
2474                 linphone_core_preempt_sound_resources(lc);
2475         }
2476
2477         /*stop ringing */
2478         if (lc->ringstream!=NULL) {
2479                 ms_message("stop ringing");
2480                 ring_stop(lc->ringstream);
2481                 ms_message("ring stopped");
2482                 lc->ringstream=NULL;
2483         }
2484         if (call->ringing_beep){
2485                 linphone_core_stop_dtmf(lc);
2486                 call->ringing_beep=FALSE;
2487         }
2488
2489         linphone_core_get_default_proxy(lc,&cfg);
2490         dest_proxy=cfg;
2491         dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2492
2493         if (cfg!=dest_proxy && dest_proxy!=NULL) {
2494                 ms_message("Overriding default proxy setting for this call:");
2495                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2496         }
2497         /*try to be best-effort in giving real local or routable contact address*/
2498         contact=get_fixed_contact(lc,call,dest_proxy);
2499         if (contact)
2500                 sal_op_set_contact(call->op,contact);
2501
2502         if (call->audiostream==NULL)
2503                 linphone_call_init_media_streams(call);
2504
2505         if (params){
2506                 call->params=*params;
2507                 call->camera_active=call->params.has_video;
2508                 update_local_media_description(lc,call);
2509                 sal_call_set_local_media_description(call->op,call->localdesc);
2510         }
2511
2512         sal_call_accept(call->op);
2513         if (lc->vtable.display_status!=NULL)
2514                 lc->vtable.display_status(lc,_("Connected."));
2515         lc->current_call=call;
2516         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2517         new_md=sal_call_get_final_media_description(call->op);
2518         linphone_core_update_streams(lc, call, new_md);
2519         if (new_md){
2520                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2521         }else call->media_pending=TRUE;
2522
2523         ms_message("call answered.");
2524         return 0;
2525 }
2526
2527 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2528         sal_call_terminate(call->op);
2529
2530         /*stop ringing*/
2531         if (lc->ringstream!=NULL) {
2532                 ring_stop(lc->ringstream);
2533                 lc->ringstream=NULL;
2534         }
2535         linphone_call_stop_media_streams(call);
2536         if (lc->vtable.display_status!=NULL)
2537                 lc->vtable.display_status(lc,_("Call aborted") );
2538         linphone_call_set_state(call,LinphoneCallError,error);
2539         return 0;
2540 }
2541
2542 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2543         if (call->state==LinphoneCallIncomingReceived){
2544                 call->reason=LinphoneReasonDeclined;
2545         }
2546         /*stop ringing*/
2547         if (lc->ringstream!=NULL) {
2548                 ring_stop(lc->ringstream);
2549                 lc->ringstream=NULL;
2550         }
2551
2552         linphone_call_stop_media_streams(call);
2553         if (lc->vtable.display_status!=NULL)
2554                 lc->vtable.display_status(lc,_("Call ended") );
2555 }
2556
2557 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2558         if (call->state==LinphoneCallIncomingReceived){
2559                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2560                 call->reason=LinphoneReasonDeclined;
2561                 terminate_call(lc,call);
2562                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2563         }else{
2564                 ms_error("Bad state for call redirection.");
2565                 return -1;
2566     }
2567         return 0;
2568 }
2569
2570
2571 /**
2572  * Terminates a call.
2573  *
2574  * @ingroup call_control
2575  * @param lc the LinphoneCore
2576  * @param the_call the LinphoneCall object representing the call to be terminated.
2577 **/
2578 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2579 {
2580         LinphoneCall *call;
2581         if (the_call == NULL){
2582                 call = linphone_core_get_current_call(lc);
2583                 if (ms_list_size(lc->calls)==1){
2584                         call=(LinphoneCall*)lc->calls->data;
2585                 }else{
2586                         ms_warning("No unique call to terminate !");
2587                         return -1;
2588                 }
2589         }
2590         else
2591         {
2592                 call = the_call;
2593         }
2594         sal_call_terminate(call->op);
2595         terminate_call(lc,call);
2596
2597         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2598         return 0;
2599 }
2600
2601 /**
2602  * Terminates all the calls.
2603  *
2604  * @ingroup call_control
2605  * @param lc The LinphoneCore
2606 **/
2607 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2608         MSList *calls=lc->calls;
2609         while(calls) {
2610                 LinphoneCall *c=(LinphoneCall*)calls->data;
2611                 calls=calls->next;
2612                 linphone_core_terminate_call(lc,c);
2613         }
2614         return 0;
2615 }
2616
2617 /**
2618  * Returns the current list of calls.
2619  *
2620  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2621  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2622  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2623  *
2624  * @ingroup call_control
2625 **/
2626 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2627 {
2628         return lc->calls;
2629 }
2630
2631 /**
2632  * Returns TRUE if there is a call running.
2633  *
2634  * @ingroup call_control
2635 **/
2636 bool_t linphone_core_in_call(const LinphoneCore *lc){
2637         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2638 }
2639
2640 /**
2641  * Returns The _LinphoneCall struct of the current call if one is in call
2642  *
2643  * @ingroup call_control
2644 **/
2645 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2646 {
2647         return lc->current_call;
2648 }
2649
2650 /**
2651  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2652  * this file will be played to the remote user.
2653  *
2654  * @ingroup call_control
2655 **/
2656 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2657 {
2658         const char *subject=NULL;
2659
2660         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2661                 ms_warning("Cannot pause this call, it is not active.");
2662                 return -1;
2663         }
2664         update_local_media_description(lc,call);
2665         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2666                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2667                 subject="Call on hold";
2668         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2669                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2670                 subject="Call on hold for me too";
2671         }else{
2672                 ms_error("No reason to pause this call, it is already paused or inactive.");
2673                 return -1;
2674         }
2675         sal_call_set_local_media_description(call->op,call->localdesc);
2676         if (sal_call_update(call->op,subject) != 0){
2677                 if (lc->vtable.display_warning)
2678                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2679         }
2680         lc->current_call=NULL;
2681         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2682         if (lc->vtable.display_status)
2683                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2684         if (call->audiostream || call->videostream)
2685                 linphone_call_stop_media_streams (call);
2686         return 0;
2687 }
2688
2689 /**
2690  * Pause all currently running calls.
2691 **/
2692 int linphone_core_pause_all_calls(LinphoneCore *lc){
2693         const MSList *elem;
2694         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2695                 LinphoneCall *call=(LinphoneCall *)elem->data;
2696                 LinphoneCallState cs=linphone_call_get_state(call);
2697                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2698                         linphone_core_pause_call(lc,call);
2699                 }
2700         }
2701         return 0;
2702 }
2703
2704 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
2705         LinphoneCall *current_call;
2706         if (linphone_core_is_in_conference(lc)){
2707                 linphone_core_leave_conference(lc);
2708                 return;
2709         }
2710         current_call=linphone_core_get_current_call(lc);
2711         if(current_call != NULL){
2712                 ms_message("Pausing automatically the current call.");
2713                 linphone_core_pause_call(lc,current_call);
2714         }
2715 }
2716
2717 /**
2718  * Resumes the call.
2719  *
2720  * @ingroup call_control
2721 **/
2722 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2723 {
2724         char temp[255]={0};
2725         LinphoneCall *call = the_call;
2726         const char *subject="Call resuming";
2727
2728         if(call->state!=LinphoneCallPaused ){
2729                 ms_warning("we cannot resume a call that has not been established and paused before");
2730                 return -1;
2731         }
2732         if (call->params.in_conference==FALSE){
2733                 linphone_core_preempt_sound_resources(lc);
2734                 ms_message("Resuming call %p",call);
2735         }
2736
2737         /* Stop playing music immediately. If remote side is a conference it
2738          prevents the participants to hear it while the 200OK comes back.*/
2739         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
2740
2741         update_local_media_description(lc,the_call);
2742         sal_call_set_local_media_description(call->op,call->localdesc);
2743         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
2744         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
2745         if(sal_call_update(call->op,subject) != 0){
2746                 return -1;
2747         }
2748         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2749         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2750         if (lc->vtable.display_status)
2751                 lc->vtable.display_status(lc,temp);
2752         return 0;
2753 }
2754
2755 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
2756         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
2757         return !linphone_address_weak_equal (addr,raddr);
2758 }
2759
2760 /**
2761  * Get the call with the remote_address specified
2762  * @param lc
2763  * @param remote_address
2764  * @return the LinphoneCall of the call if found
2765  */
2766 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2767         LinphoneAddress *raddr=linphone_address_new(remote_address);
2768         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
2769         if (elem) return (LinphoneCall*) elem->data;
2770         return NULL;
2771 }
2772
2773 int linphone_core_send_publish(LinphoneCore *lc,
2774                                LinphoneOnlineStatus presence_mode)
2775 {
2776         const MSList *elem;
2777         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2778                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2779                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2780         }
2781         return 0;
2782 }
2783
2784 /**
2785  * Set the incoming call timeout in seconds.
2786  *
2787  * @ingroup call_control
2788  * If an incoming call isn't answered for this timeout period, it is
2789  * automatically declined.
2790 **/
2791 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2792         lc->sip_conf.inc_timeout=seconds;
2793 }
2794
2795 /**
2796  * Returns the incoming call timeout
2797  *
2798  * @ingroup call_control
2799  * See linphone_core_set_inc_timeout() for details.
2800 **/
2801 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2802         return lc->sip_conf.inc_timeout;
2803 }
2804
2805 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2806                                                                                                         const char *contact,
2807                                                                                                         LinphoneOnlineStatus presence_mode)
2808 {
2809         if (minutes_away>0) lc->minutes_away=minutes_away;
2810
2811         if (lc->alt_contact!=NULL) {
2812                 ms_free(lc->alt_contact);
2813                 lc->alt_contact=NULL;
2814         }
2815         if (contact) lc->alt_contact=ms_strdup(contact);
2816         if (lc->presence_mode!=presence_mode){
2817                 linphone_core_notify_all_friends(lc,presence_mode);
2818                 /*
2819                    Improve the use of all LINPHONE_STATUS available.
2820                    !TODO Do not mix "presence status" with "answer status code"..
2821                    Use correct parameter to follow sip_if_match/sip_etag.
2822                  */
2823                 linphone_core_send_publish(lc,presence_mode);
2824         }
2825         lc->presence_mode=presence_mode;
2826 }
2827
2828 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2829         return lc->presence_mode;
2830 }
2831
2832 /**
2833  * Get playback sound level in 0-100 scale.
2834  *
2835  * @ingroup media_parameters
2836 **/
2837 int linphone_core_get_play_level(LinphoneCore *lc)
2838 {
2839         return lc->sound_conf.play_lev;
2840 }
2841
2842 /**
2843  * Get ring sound level in 0-100 scale
2844  *
2845  * @ingroup media_parameters
2846 **/
2847 int linphone_core_get_ring_level(LinphoneCore *lc)
2848 {
2849         return lc->sound_conf.ring_lev;
2850 }
2851
2852 /**
2853  * Get sound capture level in 0-100 scale
2854  *
2855  * @ingroup media_parameters
2856 **/
2857 int linphone_core_get_rec_level(LinphoneCore *lc){
2858         return lc->sound_conf.rec_lev;
2859 }
2860
2861 /**
2862  * Set sound ring level in 0-100 scale
2863  *
2864  * @ingroup media_parameters
2865 **/
2866 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2867         MSSndCard *sndcard;
2868         lc->sound_conf.ring_lev=level;
2869         sndcard=lc->sound_conf.ring_sndcard;
2870         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2871 }
2872
2873 /**
2874  * Allow to control play level before entering sound card:  gain in db
2875  *
2876  * @ingroup media_parameters
2877 **/
2878 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
2879         float gain=gaindb;
2880         LinphoneCall *call=linphone_core_get_current_call (lc);
2881         AudioStream *st;
2882
2883         lc->sound_conf.soft_play_lev=gaindb;
2884
2885         if (call==NULL || (st=call->audiostream)==NULL){
2886                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
2887                 return;
2888         }
2889         if (st->volrecv){
2890                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
2891         }else ms_warning("Could not apply gain: gain control wasn't activated.");
2892 }
2893
2894 /**
2895  * Get playback gain in db before entering  sound card.
2896  *
2897  * @ingroup media_parameters
2898 **/
2899 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
2900         return lc->sound_conf.soft_play_lev;
2901 }
2902
2903 /**
2904  * Set sound playback level in 0-100 scale
2905  *
2906  * @ingroup media_parameters
2907 **/
2908 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2909         MSSndCard *sndcard;
2910         lc->sound_conf.play_lev=level;
2911         sndcard=lc->sound_conf.play_sndcard;
2912         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2913 }
2914
2915 /**
2916  * Set sound capture level in 0-100 scale
2917  *
2918  * @ingroup media_parameters
2919 **/
2920 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2921 {
2922         MSSndCard *sndcard;
2923         lc->sound_conf.rec_lev=level;
2924         sndcard=lc->sound_conf.capt_sndcard;
2925         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2926 }
2927
2928 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2929         MSSndCard *sndcard=NULL;
2930         if (devid!=NULL){
2931                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2932                 if (sndcard!=NULL &&
2933                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2934                         ms_warning("%s card does not have the %s capability, ignoring.",
2935                                 devid,
2936                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2937                         sndcard=NULL;
2938                 }
2939         }
2940         if (sndcard==NULL) {
2941                 /* get a card that has read+write capabilities */
2942                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2943                 /* otherwise refine to the first card having the right capability*/
2944                 if (sndcard==NULL){
2945                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2946                         for(;elem!=NULL;elem=elem->next){
2947                                 sndcard=(MSSndCard*)elem->data;
2948                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2949                         }
2950                 }
2951                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2952                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2953                         if (elem) sndcard=(MSSndCard*)elem->data;
2954         }
2955         }
2956         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2957         return sndcard;
2958 }
2959
2960 /**
2961  * Returns true if the specified sound device can capture sound.
2962  *
2963  * @ingroup media_parameters
2964  * @param lc The LinphoneCore object
2965  * @param devid the device name as returned by linphone_core_get_sound_devices()
2966 **/
2967 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2968         MSSndCard *sndcard;
2969         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2970         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2971         return FALSE;
2972 }
2973
2974 /**
2975  * Returns true if the specified sound device can play sound.
2976  *
2977  * @ingroup media_parameters
2978  * @param lc The LinphoneCore object
2979  * @param devid the device name as returned by linphone_core_get_sound_devices()
2980 **/
2981 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
2982         MSSndCard *sndcard;
2983         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2984         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
2985         return FALSE;
2986 }
2987
2988 /**
2989  * Sets the sound device used for ringing.
2990  *
2991  * @ingroup media_parameters
2992  * @param lc The LinphoneCore object
2993  * @param devid the device name as returned by linphone_core_get_sound_devices()
2994 **/
2995 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
2996         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2997         lc->sound_conf.ring_sndcard=card;
2998         if (card && linphone_core_ready(lc))
2999                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3000         return 0;
3001 }
3002
3003 /**
3004  * Sets the sound device used for playback.
3005  *
3006  * @ingroup media_parameters
3007  * @param lc The LinphoneCore object
3008  * @param devid the device name as returned by linphone_core_get_sound_devices()
3009 **/
3010 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3011         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3012         lc->sound_conf.play_sndcard=card;
3013         if (card &&  linphone_core_ready(lc))
3014                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3015         return 0;
3016 }
3017
3018 /**
3019  * Sets the sound device used for capture.
3020  *
3021  * @ingroup media_parameters
3022  * @param lc The LinphoneCore object
3023  * @param devid the device name as returned by linphone_core_get_sound_devices()
3024 **/
3025 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3026         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3027         lc->sound_conf.capt_sndcard=card;
3028         if (card &&  linphone_core_ready(lc))
3029                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3030         return 0;
3031 }
3032
3033 /**
3034  * Returns the name of the currently assigned sound device for ringing.
3035  *
3036  * @ingroup media_parameters
3037  * @param lc The LinphoneCore object
3038 **/
3039 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3040 {
3041         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3042         return NULL;
3043 }
3044
3045 /**
3046  * Returns the name of the currently assigned sound device for playback.
3047  *
3048  * @ingroup media_parameters
3049  * @param lc The LinphoneCore object
3050 **/
3051 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3052 {
3053         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3054 }
3055
3056 /**
3057  * Returns the name of the currently assigned sound device for capture.
3058  *
3059  * @ingroup media_parameters
3060  * @param lc The LinphoneCore object
3061 **/
3062 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3063 {
3064         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3065 }
3066
3067 /**
3068  * Returns an unmodifiable array of available sound devices.
3069  *
3070  * The array is NULL terminated.
3071  *
3072  * @ingroup media_parameters
3073  * @param lc The LinphoneCore object
3074 **/
3075 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3076         return lc->sound_conf.cards;
3077 }
3078
3079 /**
3080  * Returns an unmodifiable array of available video capture devices.
3081  *
3082  * @ingroup media_parameters
3083  * The array is NULL terminated.
3084 **/
3085 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3086         return lc->video_conf.cams;
3087 }
3088
3089 /**
3090  * Update detection of sound devices.
3091  *
3092  * Use this function when the application is notified of USB plug events, so that
3093  * list of available hardwares for sound playback and capture is updated.
3094  **/
3095 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3096         const char *ringer,*playback,*capture;
3097         ringer=linphone_core_get_ringer_device(lc);
3098         playback=linphone_core_get_playback_device(lc);
3099         capture=linphone_core_get_capture_device(lc);
3100         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3101         build_sound_devices_table(lc);
3102         linphone_core_set_ringer_device(lc,ringer);
3103         linphone_core_set_playback_device(lc,playback);
3104         linphone_core_set_capture_device(lc,capture);
3105 }
3106
3107 /**
3108  * Update detection of camera devices.
3109  *
3110  * Use this function when the application is notified of USB plug events, so that
3111  * list of available hardwares for video capture is updated.
3112  **/
3113 void linphone_core_reload_video_devices(LinphoneCore *lc){
3114         const char *devid;
3115         devid=linphone_core_get_video_device(lc);
3116         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3117         build_video_devices_table(lc);
3118         linphone_core_set_video_device(lc,devid);
3119 }
3120
3121 char linphone_core_get_sound_source(LinphoneCore *lc)
3122 {
3123         return lc->sound_conf.source;
3124 }
3125
3126 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3127 {
3128         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3129         lc->sound_conf.source=source;
3130         if (!sndcard) return;
3131         switch(source){
3132                 case 'm':
3133                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3134                         break;
3135                 case 'l':
3136                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3137                         break;
3138         }
3139
3140 }
3141
3142
3143 /**
3144  * Sets the path to a wav file used for ringing.
3145  *
3146  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3147  * @param lc The LinphoneCore object
3148  *
3149  * @ingroup media_parameters
3150 **/
3151 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3152         if (lc->sound_conf.local_ring!=0){
3153                 ms_free(lc->sound_conf.local_ring);
3154                 lc->sound_conf.local_ring=NULL;
3155         }
3156         if (path)
3157                 lc->sound_conf.local_ring=ms_strdup(path);
3158         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3159                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3160 }
3161
3162 /**
3163  * Returns the path to the wav file used for ringing.
3164  *
3165  * @param lc The LinphoneCore object
3166  * @ingroup media_parameters
3167 **/
3168 const char *linphone_core_get_ring(const LinphoneCore *lc){
3169         return lc->sound_conf.local_ring;
3170 }
3171
3172 /**
3173  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3174  *
3175  * @param path
3176  * @param lc The LinphoneCore object
3177  *
3178  * @ingroup media_parameters
3179 **/
3180 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3181         sal_set_root_ca(lc->sal, path);
3182 }
3183
3184 /**
3185  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3186 **/
3187 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3188         sal_verify_server_certificates(lc->sal,yesno);
3189 }
3190
3191 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3192         LinphoneCore *lc=(LinphoneCore*)ud;
3193         lc->preview_finished=1;
3194 }
3195
3196 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3197 {
3198         if (lc->ringstream!=0){
3199                 ms_warning("Cannot start ring now,there's already a ring being played");
3200                 return -1;
3201         }
3202         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3203         lc->preview_finished=0;
3204         if (lc->sound_conf.ring_sndcard!=NULL){
3205                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3206                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3207         }
3208         return 0;
3209 }
3210
3211 /**
3212  * Sets the path to a wav file used for ringing back.
3213  *
3214  * Ringback means the ring that is heard when it's ringing at the remote party.
3215  * The file must be a wav 16bit linear.
3216  *
3217  * @ingroup media_parameters
3218 **/
3219 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3220         if (lc->sound_conf.remote_ring!=0){
3221                 ms_free(lc->sound_conf.remote_ring);
3222         }
3223         lc->sound_conf.remote_ring=ms_strdup(path);
3224 }
3225
3226 /**
3227  * Returns the path to the wav file used for ringing back.
3228  *
3229  * @ingroup media_parameters
3230 **/
3231 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3232         return lc->sound_conf.remote_ring;
3233 }
3234
3235 /**
3236  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3237  *
3238  * @ingroup media_parameters
3239 **/
3240 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3241         lc->sound_conf.ec=val;
3242         if ( linphone_core_ready(lc))
3243                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3244 }
3245
3246
3247 /**
3248  * Returns TRUE if echo cancellation is enabled.
3249  *
3250  * @ingroup media_parameters
3251 **/
3252 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3253         return lc->sound_conf.ec;
3254 }
3255
3256 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3257         lc->sound_conf.ea=val;
3258 }
3259
3260 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3261         return lc->sound_conf.ea;
3262 }
3263
3264 /**
3265  * Mutes or unmutes the local microphone.
3266  *
3267  * @ingroup media_parameters
3268 **/
3269 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3270         LinphoneCall *call=linphone_core_get_current_call(lc);
3271         AudioStream *st=NULL;
3272         if (linphone_core_is_in_conference(lc)){
3273                 lc->conf_ctx.local_muted=val;
3274                 st=lc->conf_ctx.local_participant;
3275         }else if (call==NULL){
3276                 ms_warning("linphone_core_mute_mic(): No current call !");
3277                 return;
3278         }else{
3279                 st=call->audiostream;
3280                 call->audio_muted=val;
3281         }
3282         if (st!=NULL){
3283                 audio_stream_set_mic_gain(st,
3284                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3285                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3286                         audio_stream_mute_rtp(st,val);
3287                 }
3288
3289         }
3290 }
3291 /**
3292  * Returns whether microphone is muted.
3293 **/
3294 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3295         LinphoneCall *call=linphone_core_get_current_call(lc);
3296         if (linphone_core_is_in_conference(lc)){
3297                 return lc->conf_ctx.local_muted;
3298         }else if (call==NULL){
3299                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3300                 return FALSE;
3301         }
3302         return call->audio_muted;
3303 }
3304
3305 // returns rtp transmission status for an active stream
3306 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3307 // was set on then rtp transmission is also muted
3308 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3309         LinphoneCall *call=linphone_core_get_current_call(lc);
3310         if (call==NULL){
3311                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3312                 return FALSE;
3313         }
3314         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3315                 return call->audio_muted;
3316         }
3317         return FALSE;
3318 }
3319
3320 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3321         lc->sound_conf.agc=val;
3322 }
3323
3324 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3325         return lc->sound_conf.agc;
3326 }
3327
3328 /**
3329  * Send the specified dtmf.
3330  *
3331  * @ingroup media_parameters
3332  * This function only works during calls. The dtmf is automatically played to the user.
3333  * @param lc The LinphoneCore object
3334  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3335  *
3336 **/
3337 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3338 {
3339         LinphoneCall *call=linphone_core_get_current_call(lc);
3340         if (call==NULL){
3341                 ms_warning("linphone_core_send_dtmf(): no active call");
3342                 return;
3343         }
3344         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3345         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3346         {
3347                 /* In Band DTMF */
3348                 if (call->audiostream!=NULL){
3349                         audio_stream_send_dtmf(call->audiostream,dtmf);
3350                 }
3351                 else
3352                 {
3353                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3354                 }
3355         }
3356         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3357                 /* Out of Band DTMF (use INFO method) */
3358                 sal_call_send_dtmf(call->op,dtmf);
3359         }
3360 }
3361
3362 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3363         if (lc->net_conf.stun_server!=NULL)
3364                 ms_free(lc->net_conf.stun_server);
3365         if (server)
3366                 lc->net_conf.stun_server=ms_strdup(server);
3367         else lc->net_conf.stun_server=NULL;
3368 }
3369
3370 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3371         return lc->net_conf.stun_server;
3372 }
3373
3374 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3375         return lc->net_conf.relay;
3376 }
3377
3378 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3379         if (lc->net_conf.relay!=NULL){
3380                 ms_free(lc->net_conf.relay);
3381                 lc->net_conf.relay=NULL;
3382         }
3383         if (addr){
3384                 lc->net_conf.relay=ms_strdup(addr);
3385         }
3386         return 0;
3387 }
3388
3389 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3390 {
3391         if (lc->net_conf.nat_address!=NULL){
3392                 ms_free(lc->net_conf.nat_address);
3393         }
3394         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3395         else lc->net_conf.nat_address=NULL;
3396         if (lc->sip_conf.contact) update_primary_contact(lc);
3397 }
3398
3399 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3400         return lc->net_conf.nat_address;
3401 }
3402
3403 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3404 {
3405         struct sockaddr_storage ss;
3406         socklen_t ss_len;
3407         int error;
3408         char ipstring [INET6_ADDRSTRLEN];
3409
3410         if (lc->net_conf.nat_address==NULL) return NULL;
3411
3412         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3413                 return lc->net_conf.nat_address;
3414         }
3415
3416         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3417                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3418         if (error) {
3419                 return lc->net_conf.nat_address;
3420         }
3421
3422         if (lc->net_conf.nat_address_ip!=NULL){
3423                 ms_free(lc->net_conf.nat_address_ip);
3424         }
3425         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3426         return lc->net_conf.nat_address_ip;
3427 }
3428
3429 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3430         lc->net_conf.firewall_policy=pol;
3431         if (lc->sip_conf.contact) update_primary_contact(lc);
3432 }
3433
3434 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3435         return lc->net_conf.firewall_policy;
3436 }
3437
3438 /**
3439  * Get the list of call logs (past calls).
3440  *
3441  * @ingroup call_logs
3442 **/
3443 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3444         lc->missed_calls=0;
3445         return lc->call_logs;
3446 }
3447
3448 /**
3449  * Erase the call log.
3450  *
3451  * @ingroup call_logs
3452 **/
3453 void linphone_core_clear_call_logs(LinphoneCore *lc){
3454         lc->missed_calls=0;
3455         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3456         lc->call_logs=ms_list_free(lc->call_logs);
3457         call_logs_write_to_config_file(lc);
3458 }
3459
3460 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3461 #ifdef VIDEO_ENABLED
3462         if (val){
3463                 if (lc->previewstream==NULL){
3464                         lc->previewstream=video_preview_new();
3465                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3466                         if (lc->video_conf.displaytype)
3467                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3468                         if (lc->preview_window_id!=0)
3469                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3470                         video_preview_start(lc->previewstream,lc->video_conf.device);
3471                 }
3472         }else{
3473                 if (lc->previewstream!=NULL){
3474                         video_preview_stop(lc->previewstream);
3475                         lc->previewstream=NULL;
3476                 }
3477         }
3478 #endif
3479 }
3480
3481 /**
3482  * Enables video globally.
3483  *
3484  * @ingroup media_parameters
3485  * This function does not have any effect during calls. It just indicates LinphoneCore to
3486  * initiate future calls with video or not. The two boolean parameters indicate in which
3487  * direction video is enabled. Setting both to false disables video entirely.
3488  *
3489  * @param lc The LinphoneCore object
3490  * @param vcap_enabled indicates whether video capture is enabled
3491  * @param display_enabled indicates whether video display should be shown
3492  *
3493 **/
3494 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3495 #ifndef VIDEO_ENABLED
3496         if (vcap_enabled || display_enabled)
3497                 ms_warning("This version of linphone was built without video support.");
3498 #endif
3499         lc->video_conf.capture=vcap_enabled;
3500         lc->video_conf.display=display_enabled;
3501
3502         /* need to re-apply network bandwidth settings*/
3503         linphone_core_set_download_bandwidth(lc,
3504                 linphone_core_get_download_bandwidth(lc));
3505         linphone_core_set_upload_bandwidth(lc,
3506                 linphone_core_get_upload_bandwidth(lc));
3507 }
3508
3509 bool_t linphone_core_video_supported(LinphoneCore *lc){
3510 #ifdef VIDEO_ENABLED
3511         return TRUE;
3512 #else
3513         return FALSE;
3514 #endif
3515 }
3516
3517 /**
3518  * Returns TRUE if video is enabled, FALSE otherwise.
3519  * @ingroup media_parameters
3520 **/
3521 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3522         return (lc->video_conf.display || lc->video_conf.capture);
3523 }
3524
3525 /**
3526  * Sets the default policy for video.
3527  * This policy defines whether:
3528  * - video shall be initiated by default for outgoing calls
3529  * - video shall be accepter by default for incoming calls
3530 **/
3531 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3532         lc->video_policy=*policy;
3533         if (linphone_core_ready(lc)){
3534                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3535                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3536         }
3537 }
3538
3539 /**
3540  * Get the default policy for video.
3541  * See linphone_core_set_video_policy() for more details.
3542 **/
3543 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3544         return &lc->video_policy;
3545 }
3546
3547 /**
3548  * Controls video preview enablement.
3549  *
3550  * @ingroup media_parameters
3551  * Video preview refers to the action of displaying the local webcam image
3552  * to the user while not in call.
3553 **/
3554 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3555         lc->video_conf.show_local=val;
3556 }
3557
3558 /**
3559  * Returns TRUE if video previewing is enabled.
3560  * @ingroup media_parameters
3561 **/
3562 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3563         return lc->video_conf.show_local;
3564 }
3565
3566 /**
3567  * Enables or disable self view during calls.
3568  *
3569  * @ingroup media_parameters
3570  * Self-view refers to having local webcam image inserted in corner
3571  * of the video window during calls.
3572  * This function works at any time, including during calls.
3573 **/
3574 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3575 #ifdef VIDEO_ENABLED
3576         LinphoneCall *call=linphone_core_get_current_call (lc);
3577         lc->video_conf.selfview=val;
3578         if (call && call->videostream){
3579                 video_stream_enable_self_view(call->videostream,val);
3580         }
3581 #endif
3582 }
3583
3584 /**
3585  * Returns TRUE if self-view is enabled, FALSE otherwise.
3586  *
3587  * @ingroup media_parameters
3588  *
3589  * Refer to linphone_core_enable_self_view() for details.
3590 **/
3591 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3592         return lc->video_conf.selfview;
3593 }
3594
3595 /**
3596  * Sets the active video device.
3597  *
3598  * @ingroup media_parameters
3599  * @param lc The LinphoneCore object
3600  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3601 **/
3602 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3603         MSWebCam *olddev=lc->video_conf.device;
3604         const char *vd;
3605         if (id!=NULL){
3606                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3607                 if (lc->video_conf.device==NULL){
3608                         ms_warning("Could not found video device %s",id);
3609                 }
3610         }
3611         if (lc->video_conf.device==NULL)
3612                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3613         if (olddev!=NULL && olddev!=lc->video_conf.device){
3614                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3615         }
3616         if ( linphone_core_ready(lc) && lc->video_conf.device){
3617                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3618                 if (vd && strstr(vd,"Static picture")!=NULL){
3619                         vd=NULL;
3620                 }
3621                 lp_config_set_string(lc->config,"video","device",vd);
3622         }
3623         return 0;
3624 }
3625
3626 /**
3627  * Returns the name of the currently active video device.
3628  *
3629  * @param lc The LinphoneCore object
3630  * @ingroup media_parameters
3631 **/
3632 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3633         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3634         return NULL;
3635 }
3636
3637 #ifdef VIDEO_ENABLED
3638 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3639         VideoStream *vs = NULL;
3640         LinphoneCall *call=linphone_core_get_current_call (lc);
3641         /* Select the video stream from the call in the first place */
3642         if (call && call->videostream) {
3643                 vs = call->videostream;
3644         }
3645         /* If not in call, select the video stream from the preview */
3646         if (vs == NULL && lc->previewstream) {
3647                 vs = lc->previewstream;
3648         }
3649         return vs;
3650 }
3651 #endif
3652
3653 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3654 #ifdef VIDEO_ENABLED
3655         VideoStream *vs=get_active_video_stream(lc);
3656         /* If we have a video stream (either preview, either from call), we
3657                  have a source and it is using the static picture filter, then
3658                  force the filter to use that picture. */
3659         if (vs && vs->source) {
3660                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3661                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3662                                                                                                                 (void *)path);
3663                 }
3664         }
3665         /* Tell the static image filter to use that image from now on so
3666                  that the image will be used next time it has to be read */
3667         ms_static_image_set_default_image(path);
3668 #else
3669         ms_warning("Video support not compiled.");
3670 #endif
3671         return 0;
3672 }
3673
3674 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3675 #ifdef VIDEO_ENABLED
3676         VideoStream *vs = NULL;
3677
3678         vs=get_active_video_stream(lc);
3679
3680         /* If we have a video stream (either preview, either from call), we
3681                  have a source and it is using the static picture filter, then
3682                  force the filter to use that picture. */
3683         if (vs && vs->source) {
3684                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3685                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3686                 }
3687         }
3688 #else
3689         ms_warning("Video support not compiled.");
3690 #endif
3691         return 0;
3692 }
3693
3694 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
3695 #ifdef VIDEO_ENABLED
3696         VideoStream *vs = NULL;
3697         vs=get_active_video_stream(lc);
3698         /* If we have a video stream (either preview, either from call), we
3699                  have a source and it is using the static picture filter, then
3700                  force the filter to use that picture. */
3701         if (vs && vs->source) {
3702                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3703
3704                         float fps;
3705
3706                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
3707                         return fps;
3708                 }
3709         }
3710 #else
3711         ms_warning("Video support not compiled.");
3712 #endif
3713         return 0;
3714 }
3715
3716 /**
3717  * Returns the native window handle of the video window, casted as an unsigned long.
3718  *
3719  * @ingroup media_parameters
3720 **/
3721 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3722 #ifdef VIDEO_ENABLED
3723         LinphoneCall *call=linphone_core_get_current_call (lc);
3724         if (call && call->videostream)
3725                 return video_stream_get_native_window_id(call->videostream);
3726         if (lc->previewstream)
3727                 return video_stream_get_native_window_id(lc->previewstream);
3728 #endif
3729         return lc->video_window_id;
3730 }
3731
3732 /**@ingroup media_parameters
3733  * Set the native video window id where the video is to be displayed.
3734  * If not set the core will create its own window.
3735 **/
3736 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
3737 #ifdef VIDEO_ENABLED
3738         LinphoneCall *call=linphone_core_get_current_call(lc);
3739         lc->video_window_id=id;
3740         if (call!=NULL && call->videostream){
3741                 video_stream_set_native_window_id(call->videostream,id);
3742         }
3743 #endif
3744 }
3745
3746 /**
3747  * Returns the native window handle of the video preview window, casted as an unsigned long.
3748  *
3749  * @ingroup media_parameters
3750 **/
3751 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
3752 #ifdef VIDEO_ENABLED
3753         LinphoneCall *call=linphone_core_get_current_call (lc);
3754         if (call && call->videostream)
3755                 return video_stream_get_native_preview_window_id(call->videostream);
3756         if (lc->previewstream)
3757                 return video_preview_get_native_window_id(lc->previewstream);
3758 #endif
3759         return lc->preview_window_id;
3760 }
3761
3762 /**
3763  * @ingroup media_parameters
3764  * Set the native window id where the preview video (local camera) is to be displayed.
3765  * This has to be used in conjonction with linphone_core_use_preview_window().
3766  * If not set the core will create its own window.
3767 **/
3768 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
3769         lc->preview_window_id=id;
3770 #ifdef VIDEO_ENABLED
3771         LinphoneCall *call=linphone_core_get_current_call(lc);
3772         if (call!=NULL && call->videostream){
3773                 video_stream_set_native_preview_window_id(call->videostream,id);
3774         }
3775 #endif
3776 }
3777
3778 /**
3779  * Can be used to disable video showing to free XV port
3780 **/
3781 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
3782 #ifdef VIDEO_ENABLED
3783         ms_error("linphone_core_show_video %d", show);
3784         LinphoneCall *call=linphone_core_get_current_call(lc);
3785         if (call!=NULL && call->videostream){
3786                 video_stream_show_video(call->videostream,show);
3787         }
3788 #endif
3789 }
3790
3791 /**
3792  * Tells the core to use a separate window for local camera preview video, instead of
3793  * inserting local view within the remote video window.
3794  *
3795 **/
3796 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
3797         lc->use_preview_window=yesno;
3798 }
3799 /**
3800  * @ingroup media_parameters
3801  *returns current device orientation
3802  */
3803 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
3804         return lc->device_rotation;
3805 }
3806 /**
3807  * @ingroup media_parameters
3808  * Tells the core the device current orientation. This can be used by capture filters
3809  * on mobile devices to select between portrait/landscape mode and to produce properly
3810  * oriented images. The exact meaning of the value in rotation if left to each device
3811  * specific implementations.
3812  *@param lc  object.
3813  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
3814  *
3815 **/
3816 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
3817 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
3818         lc->device_rotation = rotation;
3819 #ifdef VIDEO_ENABLED
3820         LinphoneCall *call=linphone_core_get_current_call(lc);
3821         if (call!=NULL && call->videostream){
3822                 video_stream_set_device_rotation(call->videostream,rotation);
3823         }
3824 #endif
3825 }
3826
3827 static MSVideoSizeDef supported_resolutions[]={
3828 #ifdef ENABLE_HD
3829         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
3830         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
3831 #endif
3832         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
3833         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
3834         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
3835         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
3836         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
3837         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
3838         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
3839         {       {0,0}                   ,       NULL    }
3840 };
3841
3842 /**
3843  * Returns the zero terminated table of supported video resolutions.
3844  *
3845  * @ingroup media_parameters
3846 **/
3847 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
3848         return supported_resolutions;
3849 }
3850
3851 static MSVideoSize video_size_get_by_name(const char *name){
3852         MSVideoSizeDef *pdef=supported_resolutions;
3853         MSVideoSize null_vsize={0,0};
3854         for(;pdef->name!=NULL;pdef++){
3855                 if (strcasecmp(name,pdef->name)==0){
3856                         return pdef->vsize;
3857                 }
3858         }
3859         ms_warning("Video resolution %s is not supported in linphone.",name);
3860         return null_vsize;
3861 }
3862
3863 static const char *video_size_get_name(MSVideoSize vsize){
3864         MSVideoSizeDef *pdef=supported_resolutions;
3865         for(;pdef->name!=NULL;pdef++){
3866                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
3867                         return pdef->name;
3868                 }
3869         }
3870         return NULL;
3871 }
3872
3873 static bool_t video_size_supported(MSVideoSize vsize){
3874         if (video_size_get_name(vsize)) return TRUE;
3875         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
3876         return FALSE;
3877 }
3878
3879 /**
3880  * Sets the preferred video size.
3881  *
3882  * @ingroup media_parameters
3883  * This applies only to the stream that is captured and sent to the remote party,
3884  * since we accept all standard video size on the receive path.
3885 **/
3886 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
3887         if (video_size_supported(vsize)){
3888                 MSVideoSize oldvsize=lc->video_conf.vsize;
3889                 lc->video_conf.vsize=vsize;
3890                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3891                         toggle_video_preview(lc,FALSE);
3892                         toggle_video_preview(lc,TRUE);
3893                 }
3894                 if ( linphone_core_ready(lc))
3895                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3896         }
3897 }
3898
3899 /**
3900  * Sets the preferred video size by its name.
3901  *
3902  * @ingroup media_parameters
3903  * This is identical to linphone_core_set_preferred_video_size() except
3904  * that it takes the name of the video resolution as input.
3905  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3906 **/
3907 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3908         MSVideoSize vsize=video_size_get_by_name(name);
3909         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3910         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3911         else linphone_core_set_preferred_video_size(lc,default_vsize);
3912 }
3913
3914 /**
3915  * Returns the current preferred video size for sending.
3916  *
3917  * @ingroup media_parameters
3918 **/
3919 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3920         return lc->video_conf.vsize;
3921 }
3922
3923 /**
3924  * Ask the core to stream audio from and to files, instead of using the soundcard.
3925 **/
3926 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3927         lc->use_files=yesno;
3928 }
3929
3930 /**
3931  * Sets a wav file to be played when putting somebody on hold,
3932  * or when files are used instead of soundcards (see linphone_core_use_files()).
3933  *
3934  * The file must be a 16 bit linear wav file.
3935 **/
3936 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3937         LinphoneCall *call=linphone_core_get_current_call(lc);
3938         if (lc->play_file!=NULL){
3939                 ms_free(lc->play_file);
3940                 lc->play_file=NULL;
3941         }
3942         if (file!=NULL) {
3943                 lc->play_file=ms_strdup(file);
3944                 if (call && call->audiostream && call->audiostream->ticker)
3945                         audio_stream_play(call->audiostream,file);
3946         }
3947 }
3948
3949
3950 /**
3951  * Sets a wav file where incoming stream is to be recorded,
3952  * when files are used instead of soundcards (see linphone_core_use_files()).
3953  *
3954  * The file must be a 16 bit linear wav file.
3955 **/
3956 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3957         LinphoneCall *call=linphone_core_get_current_call(lc);
3958         if (lc->rec_file!=NULL){
3959                 ms_free(lc->rec_file);
3960                 lc->rec_file=NULL;
3961         }
3962         if (file!=NULL) {
3963                 lc->rec_file=ms_strdup(file);
3964                 if (call && call->audiostream)
3965                         audio_stream_record(call->audiostream,file);
3966         }
3967 }
3968
3969
3970 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
3971         LinphoneCall *call=linphone_core_get_current_call (lc);
3972         AudioStream *stream=NULL;
3973         if (call){
3974                 stream=call->audiostream;
3975         }else if (linphone_core_is_in_conference(lc)){
3976                 stream=lc->conf_ctx.local_participant;
3977         }
3978         if (stream){
3979                 return stream->dtmfgen;
3980         }
3981         if (lc->ringstream==NULL){
3982                 float amp=0.1;
3983                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3984                 if (ringcard == NULL)
3985                         return NULL;
3986
3987                 lc->ringstream=ring_start(NULL,0,ringcard);
3988                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
3989                 lc->dmfs_playing_start_time=time(NULL);
3990         }else{
3991                 if (lc->dmfs_playing_start_time!=0)
3992                         lc->dmfs_playing_start_time=time(NULL);
3993         }
3994         return lc->ringstream->gendtmf;
3995 }
3996
3997 /**
3998  * @ingroup media_parameters
3999  * Plays a dtmf sound to the local user.
4000  * @param lc #LinphoneCore
4001  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4002  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4003 **/
4004 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4005         MSFilter *f=get_dtmf_gen(lc);
4006         if (f==NULL){
4007                 ms_error("No dtmf generator at this time !");
4008                 return;
4009         }
4010
4011         if (duration_ms>0)
4012                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4013         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4014 }
4015
4016 /**
4017  * @ingroup media_parameters
4018  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4019  * @param lc #LinphoneCore
4020 **/
4021 void linphone_core_play_tone(LinphoneCore *lc){
4022         MSFilter *f=get_dtmf_gen(lc);
4023         MSDtmfGenCustomTone def;
4024         if (f==NULL){
4025                 ms_error("No dtmf generator at this time !");
4026                 return;
4027         }
4028         def.duration=300;
4029         def.frequency=500;
4030         def.amplitude=1;
4031         def.interval=2000;
4032         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4033 }
4034
4035 /**
4036  * @ingroup media_parameters
4037  *
4038  * Stops playing a dtmf started by linphone_core_play_dtmf().
4039 **/
4040 void linphone_core_stop_dtmf(LinphoneCore *lc){
4041         MSFilter *f=get_dtmf_gen(lc);
4042         if (f!=NULL)
4043                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4044 }
4045
4046
4047
4048 /**
4049  * Retrieves the user pointer that was given to linphone_core_new()
4050  *
4051  * @ingroup initializing
4052 **/
4053 void *linphone_core_get_user_data(LinphoneCore *lc){
4054         return lc->data;
4055 }
4056
4057 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4058         lc->data=userdata;
4059 }
4060
4061 int linphone_core_get_mtu(const LinphoneCore *lc){
4062         return lc->net_conf.mtu;
4063 }
4064
4065 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4066         lc->net_conf.mtu=mtu;
4067         if (mtu>0){
4068                 if (mtu<500){
4069                         ms_error("MTU too small !");
4070                         mtu=500;
4071                 }
4072                 ms_set_mtu(mtu);
4073                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4074         }else ms_set_mtu(0);//use mediastreamer2 default value
4075 }
4076
4077 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4078         lc->wait_cb=cb;
4079         lc->wait_ctx=user_context;
4080 }
4081
4082 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4083         if (lc->wait_cb){
4084                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4085         }
4086 }
4087
4088 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4089         if (lc->wait_cb){
4090                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4091         }else{
4092 #ifdef WIN32
4093                 Sleep(50000);
4094 #else
4095                 usleep(50000);
4096 #endif
4097         }
4098 }
4099
4100 void linphone_core_stop_waiting(LinphoneCore *lc){
4101         if (lc->wait_cb){
4102                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4103         }
4104 }
4105
4106 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4107         lc->rtptf=factories;
4108 }
4109
4110 /**
4111  * Retrieve RTP statistics regarding current call.
4112  * @param local RTP statistics computed locally.
4113  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4114  *
4115  * @note Remote RTP statistics is not implemented yet.
4116  *
4117  * @returns 0 or -1 if no call is running.
4118 **/
4119
4120 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4121         LinphoneCall *call=linphone_core_get_current_call (lc);
4122         if (call!=NULL){
4123                 if (call->audiostream!=NULL){
4124                         memset(remote,0,sizeof(*remote));
4125                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4126                         return 0;
4127                 }
4128         }
4129         return -1;
4130 }
4131
4132 void net_config_uninit(LinphoneCore *lc)
4133 {
4134         net_config_t *config=&lc->net_conf;
4135
4136         if (config->stun_server!=NULL){
4137                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
4138                 ms_free(lc->net_conf.stun_server);
4139         }
4140         if (config->nat_address!=NULL){
4141                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4142                 ms_free(lc->net_conf.nat_address);
4143         }
4144         if (lc->net_conf.nat_address_ip !=NULL){
4145                 ms_free(lc->net_conf.nat_address_ip);
4146         }
4147         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
4148         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4149 }
4150
4151
4152 void sip_config_uninit(LinphoneCore *lc)
4153 {
4154         MSList *elem;
4155         int i;
4156         sip_config_t *config=&lc->sip_conf;
4157
4158         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4159         lp_config_set_string(lc->config,"sip","contact",config->contact);
4160         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4161         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4162         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4163         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4164         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4165
4166
4167
4168
4169         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4170                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4171                 linphone_proxy_config_edit(cfg);        /* to unregister */
4172         }
4173
4174         for (i=0;i<20;i++){
4175                 sal_iterate(lc->sal);
4176 #ifndef WIN32
4177                 usleep(100000);
4178 #else
4179                 Sleep(100);
4180 #endif
4181         }
4182
4183         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4184         ms_list_free(config->proxies);
4185         config->proxies=NULL;
4186
4187         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4188
4189         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4190         ms_list_free(lc->auth_info);
4191         lc->auth_info=NULL;
4192
4193         sal_uninit(lc->sal);
4194         lc->sal=NULL;
4195
4196         if (lc->sip_conf.guessed_contact)
4197                 ms_free(lc->sip_conf.guessed_contact);
4198         if (config->contact)
4199                 ms_free(config->contact);
4200
4201 }
4202
4203 void rtp_config_uninit(LinphoneCore *lc)
4204 {
4205         rtp_config_t *config=&lc->rtp_conf;
4206         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4207         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4208         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4209         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4210         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4211 }
4212
4213 void sound_config_uninit(LinphoneCore *lc)
4214 {
4215         sound_config_t *config=&lc->sound_conf;
4216         ms_free(config->cards);
4217
4218         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4219
4220         if (config->local_ring) ms_free(config->local_ring);
4221         if (config->remote_ring) ms_free(config->remote_ring);
4222         ms_snd_card_manager_destroy();
4223 }
4224
4225 void video_config_uninit(LinphoneCore *lc)
4226 {
4227         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4228         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4229         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4230         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
4231         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
4232         if (lc->video_conf.cams)
4233                 ms_free(lc->video_conf.cams);
4234 }
4235
4236 void codecs_config_uninit(LinphoneCore *lc)
4237 {
4238         PayloadType *pt;
4239         codecs_config_t *config=&lc->codecs_conf;
4240         MSList *node;
4241         char key[50];
4242         int index;
4243         index=0;
4244         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4245                 pt=(PayloadType*)(node->data);
4246                 sprintf(key,"audio_codec_%i",index);
4247                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4248                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4249                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4250                 index++;
4251         }
4252         sprintf(key,"audio_codec_%i",index);
4253         lp_config_clean_section (lc->config,key);
4254
4255         index=0;
4256         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4257                 pt=(PayloadType*)(node->data);
4258                 sprintf(key,"video_codec_%i",index);
4259                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4260                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4261                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4262                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4263                 index++;
4264         }
4265         sprintf(key,"video_codec_%i",index);
4266         lp_config_clean_section (lc->config,key);
4267
4268         ms_list_free(lc->codecs_conf.audio_codecs);
4269         ms_list_free(lc->codecs_conf.video_codecs);
4270 }
4271
4272 void ui_config_uninit(LinphoneCore* lc)
4273 {
4274         if (lc->friends){
4275                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4276                 ms_list_free(lc->friends);
4277                 lc->friends=NULL;
4278         }
4279 }
4280
4281 /**
4282  * Returns the LpConfig object used to manage the storage (config) file.
4283  *
4284  * @ingroup misc
4285  * The application can use the LpConfig object to insert its own private
4286  * sections and pairs of key=value in the configuration file.
4287  *
4288 **/
4289 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4290         return lc->config;
4291 }
4292
4293 static void linphone_core_uninit(LinphoneCore *lc)
4294 {
4295         linphone_core_free_hooks(lc);
4296         while(lc->calls)
4297         {
4298                 LinphoneCall *the_call = lc->calls->data;
4299                 linphone_core_terminate_call(lc,the_call);
4300                 linphone_core_iterate(lc);
4301 #ifdef WIN32
4302                 Sleep(50000);
4303 #else
4304                 usleep(50000);
4305 #endif
4306         }
4307         if (lc->friends)
4308                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4309         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4310 #ifdef VIDEO_ENABLED
4311         if (lc->previewstream!=NULL){
4312                 video_preview_stop(lc->previewstream);
4313                 lc->previewstream=NULL;
4314         }
4315 #endif
4316         ms_event_queue_destroy(lc->msevq);
4317         lc->msevq=NULL;
4318         /* save all config */
4319         net_config_uninit(lc);
4320         rtp_config_uninit(lc);
4321         if (lc->ringstream) ring_stop(lc->ringstream);
4322         sound_config_uninit(lc);
4323         video_config_uninit(lc);
4324         codecs_config_uninit(lc);
4325         ui_config_uninit(lc);
4326         sip_config_uninit(lc);
4327         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4328         lp_config_destroy(lc->config);
4329         lc->config = NULL; /* Mark the config as NULL to block further calls */
4330         sip_setup_unregister_all();
4331
4332         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4333         lc->call_logs=ms_list_free(lc->call_logs);
4334
4335         linphone_core_free_payload_types(lc);
4336         ortp_exit();
4337         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4338 #ifdef TUNNEL_ENABLED
4339         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4340 #endif
4341 }
4342
4343 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4344         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4345         // second get the list of available proxies
4346         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4347         for(;elem!=NULL;elem=elem->next){
4348                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4349                 if (linphone_proxy_config_register_enabled(cfg) ) {
4350                         if (!isReachable) {
4351                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4352                         }else{
4353                                 cfg->commit=TRUE;
4354                         }
4355                 }
4356         }
4357         lc->netup_time=curtime;
4358         lc->network_reachable=isReachable;
4359         if(!isReachable) {
4360                 sal_unlisten_ports (lc->sal);
4361         } else {
4362                 apply_transports(lc);
4363         }
4364
4365 }
4366
4367 void linphone_core_refresh_registers(LinphoneCore* lc) {
4368         const MSList *elem;
4369         if (!lc->network_reachable) {
4370                 ms_warning("Refresh register operation not available (network unreachable)");
4371                 return;
4372         }
4373         elem=linphone_core_get_proxy_config_list(lc);
4374         for(;elem!=NULL;elem=elem->next){
4375                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4376                 if (linphone_proxy_config_register_enabled(cfg) ) {
4377                         linphone_proxy_config_refresh_register(cfg);
4378                 }
4379         }
4380 }
4381
4382 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4383         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4384         for(;elem!=NULL;elem=elem->next){
4385                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4386                 if (linphone_proxy_config_register_enabled(cfg) ) {
4387                         linphone_proxy_config_edit(cfg);
4388                         linphone_proxy_config_done(cfg);
4389                 }
4390         }
4391 }
4392
4393 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4394         //first disable automatic mode
4395         if (lc->auto_net_state_mon) {
4396                 ms_message("Disabling automatic network state monitoring");
4397                 lc->auto_net_state_mon=FALSE;
4398         }
4399         set_network_reachable(lc,isReachable, ms_time(NULL));
4400 }
4401
4402 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
4403         return lc->network_reachable;
4404 }
4405 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4406         return sal_get_socket(lc->sal);
4407 }
4408 /**
4409  * Destroys a LinphoneCore
4410  *
4411  * @ingroup initializing
4412 **/
4413 void linphone_core_destroy(LinphoneCore *lc){
4414         linphone_core_uninit(lc);
4415         ms_free(lc);
4416 }
4417 /**
4418  * Get the number of Call
4419  *
4420  * @ingroup call_control
4421 **/
4422 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4423         return  ms_list_size(lc->calls);;
4424 }
4425
4426 /**
4427  * Check if we do not have exceed the number of simultaneous call
4428  *
4429  * @ingroup call_control
4430 **/
4431 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4432 {
4433         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4434                 return TRUE;
4435         ms_message("Maximum amount of simultaneous calls reached !");
4436         return FALSE;
4437 }
4438
4439
4440 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4441 {
4442         if(linphone_core_can_we_add_call(lc))
4443         {
4444                 lc->calls = ms_list_append(lc->calls,call);
4445                 return 0;
4446         }
4447         return -1;
4448 }
4449
4450 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4451 {
4452         MSList *it;
4453         MSList *the_calls = lc->calls;
4454
4455         it=ms_list_find(the_calls,call);
4456         if (it)
4457         {
4458                 the_calls = ms_list_remove_link(the_calls,it);
4459         }
4460         else
4461         {
4462                 ms_warning("could not find the call into the list\n");
4463                 return -1;
4464         }
4465         lc->calls = the_calls;
4466         return 0;
4467 }
4468
4469 /**
4470  * Specifiies a ring back tone to be played to far end during incoming calls.
4471 **/
4472 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4473         if (lc->sound_conf.ringback_tone){
4474                 ms_free(lc->sound_conf.ringback_tone);
4475                 lc->sound_conf.ringback_tone=NULL;
4476         }
4477         if (file)
4478                 lc->sound_conf.ringback_tone=ms_strdup(file);
4479 }
4480
4481 /**
4482  * Returns the ring back tone played to far end during incoming calls.
4483 **/
4484 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4485         return lc->sound_conf.ringback_tone;
4486 }
4487
4488 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
4489         const MSList *elem;
4490         for(elem=from;elem!=NULL;elem=elem->next){
4491                 PayloadType *pt=(PayloadType*)elem->data;
4492                 if ((strcmp((char*)type, payload_type_get_mime(pt)) == 0) && (rate == -1 || rate==pt->clock_rate)) {
4493                         return pt;
4494                 }
4495         }
4496         return NULL;
4497 }
4498
4499 /**
4500  * Get payload type  from mime type and clock rate
4501  * @ingroup media_parameters
4502  * This function searches in audio and video codecs for the given payload type name and clockrate.
4503  * Returns NULL if not found.
4504  */
4505 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
4506         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
4507         if (result)  {
4508                 return result;
4509         } else {
4510                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
4511                 if (result) {
4512                         return result;
4513                 }
4514         }
4515         /*not found*/
4516         return NULL;
4517 }
4518
4519 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4520         switch(gs){
4521                 case LinphoneGlobalOff:
4522                         return "LinphoneGlobalOff";
4523                 break;
4524                 case LinphoneGlobalOn:
4525                         return "LinphoneGlobalOn";
4526                 break;
4527                 case LinphoneGlobalStartup:
4528                         return "LinphoneGlobalStartup";
4529                 break;
4530                 case LinphoneGlobalShutdown:
4531                         return "LinphoneGlobalShutdown";
4532                 break;
4533         }
4534         return NULL;
4535 }
4536
4537 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4538         return lc->state;
4539 }
4540
4541 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4542         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4543         linphone_core_init_default_params(lc, p);
4544         return p;
4545 }
4546
4547 const char *linphone_reason_to_string(LinphoneReason err){
4548         switch(err){
4549                 case LinphoneReasonNone:
4550                         return "No error";
4551                 case LinphoneReasonNoResponse:
4552                         return "No response";
4553                 case LinphoneReasonBadCredentials:
4554                         return "Bad credentials";
4555                 case LinphoneReasonDeclined:
4556                         return "Call declined";
4557                 case LinphoneReasonNotFound:
4558                         return "User not found";
4559         }
4560         return "unknown error";
4561 }
4562
4563 const char *linphone_error_to_string(LinphoneReason err){
4564         return linphone_reason_to_string(err);
4565 }
4566 /**
4567  * Enables signaling keep alive
4568  */
4569 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4570         if (enable > 0) {
4571                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4572         } else {
4573                 sal_set_keepalive_period(lc->sal,0);
4574         }
4575 }
4576 /**
4577  * Is signaling keep alive enabled
4578  */
4579 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4580         return sal_get_keepalive_period(lc->sal) > 0;
4581 }
4582
4583 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4584         get_dtmf_gen(lc); /*make sure ring stream is started*/
4585         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4586 }
4587
4588 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4589         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
4590                 ring_stop(lc->ringstream);
4591                 lc->ringstream=NULL;
4592         }
4593 }
4594
4595 int linphone_core_get_max_calls(LinphoneCore *lc) {
4596         return lc->max_calls;
4597 }
4598 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4599         lc->max_calls=max;
4600 }
4601
4602 typedef struct Hook{
4603         LinphoneCoreIterateHook fun;
4604         void *data;
4605 }Hook;
4606
4607 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4608         Hook *h=ms_new(Hook,1);
4609         h->fun=hook;
4610         h->data=hook_data;
4611         return h;
4612 }
4613
4614 static void hook_invoke(Hook *h){
4615         h->fun(h->data);
4616 }
4617
4618 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4619         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4620 }
4621
4622 static void linphone_core_run_hooks(LinphoneCore *lc){
4623         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4624 }
4625
4626 static void linphone_core_free_hooks(LinphoneCore *lc){
4627         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4628         ms_list_free(lc->hooks);
4629         lc->hooks=NULL;
4630 }
4631
4632 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4633         MSList *elem;
4634         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4635                 Hook *h=(Hook*)elem->data;
4636                 if (h->fun==hook && h->data==hook_data){
4637                         ms_list_remove_link(lc->hooks,elem);
4638                         ms_free(h);
4639                         return;
4640                 }
4641         }
4642         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4643 }
4644
4645 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
4646         if (lc->zrtp_secrets_cache != NULL) {
4647                 ms_free(lc->zrtp_secrets_cache);
4648         }
4649         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
4650 }
4651
4652 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
4653         if (uri == NULL) return NULL;
4654         MSList *calls=lc->calls;
4655         while(calls) {
4656                 const LinphoneCall *c=(LinphoneCall*)calls->data;
4657                 calls=calls->next;
4658                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
4659                 char *current_uri=linphone_address_as_string_uri_only(address);
4660                 if (strcmp(uri,current_uri)==0) {
4661                         ms_free(current_uri);
4662                         return c;
4663                 } else {
4664                         ms_free(current_uri);
4665                 }
4666         }
4667         return NULL;
4668 }
4669
4670
4671 /**
4672  * Check if a call will need the sound resources.
4673  *
4674  * @ingroup call_control
4675  * @param lc The LinphoneCore
4676 **/
4677 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
4678         MSList *calls=lc->calls;
4679         while(calls) {
4680                 LinphoneCall *c=(LinphoneCall*)calls->data;
4681                 calls=calls->next;
4682                 switch (c->state) {
4683                         case LinphoneCallOutgoingInit:
4684                         case LinphoneCallOutgoingProgress:
4685                         case LinphoneCallOutgoingRinging:
4686                         case LinphoneCallOutgoingEarlyMedia:
4687                         case LinphoneCallConnected:
4688                         case LinphoneCallRefered:
4689                         case LinphoneCallIncomingEarlyMedia:
4690                         case LinphoneCallUpdated:
4691                                 return TRUE;
4692                         default:
4693                                 break;
4694                 }
4695         }
4696         return FALSE;
4697 }
4698
4699 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
4700         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
4701 }
4702
4703 /**
4704  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
4705 **/
4706 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
4707         switch(menc){
4708                 case LinphoneMediaEncryptionSRTP:
4709                         return ortp_srtp_supported();
4710                 case LinphoneMediaEncryptionZRTP:
4711                         return ortp_zrtp_available();
4712                 case LinphoneMediaEncryptionNone:
4713                         return TRUE;
4714         }
4715         return FALSE;
4716 }
4717
4718 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
4719         const char *type="none";
4720         int ret=0;
4721         if (menc == LinphoneMediaEncryptionSRTP){
4722                 if (!ortp_srtp_supported()){
4723                         ms_warning("SRTP not supported by library.");
4724                         type="none";
4725                         ret=-1;
4726                 }else type="srtp";
4727         }else if (menc == LinphoneMediaEncryptionZRTP){
4728                 if (!ortp_zrtp_available()){
4729                         ms_warning("ZRTP not supported by library.");
4730                         type="none";
4731                         ret=-1;
4732                 }else type="zrtp";
4733         }
4734         lp_config_set_string(lc->config,"sip","media_encryption",type);
4735         return ret;
4736 }
4737
4738 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
4739         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
4740
4741         if (menc == NULL)
4742                 return LinphoneMediaEncryptionNone;
4743         else if (strcmp(menc, "srtp")==0)
4744                 return LinphoneMediaEncryptionSRTP;
4745         else if (strcmp(menc, "zrtp")==0)
4746                 return LinphoneMediaEncryptionZRTP;
4747         else
4748                 return LinphoneMediaEncryptionNone;
4749 }
4750
4751 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
4752         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
4753 }
4754
4755 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
4756         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
4757 }
4758
4759 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
4760         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
4761         params->media_encryption=linphone_core_get_media_encryption(lc);
4762         params->in_conference=FALSE;
4763 }
4764