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