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,NULL);
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         for(;list!=NULL;list=list->next){
1636                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*) list->data;
1637                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1638                         lc->sip_conf.deleted_proxies =ms_list_remove(lc->sip_conf.deleted_proxies,(void *)cfg);
1639                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1640                         linphone_proxy_config_destroy(cfg);
1641                 }
1642         }
1643         ms_list_free(list);
1644 }
1645
1646 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1647         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1648         if (lf!=NULL){
1649                 lf->info=info;
1650                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1651                 if (lc->vtable.buddy_info_updated)
1652                         lc->vtable.buddy_info_updated(lc,lf);
1653         }else{
1654                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1655         }
1656 }
1657
1658 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1659         MSList *elem;
1660         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1661         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1662                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1663                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1664                         if (req->results!=NULL){
1665                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1666                                 ms_list_free(req->results);
1667                                 req->results=NULL;
1668                                 assign_buddy_info(lc,i);
1669                         }
1670                         sip_setup_context_buddy_lookup_free(ctx,req);
1671                         elem->data=NULL;
1672                 }
1673         }
1674         /*purge completed requests */
1675         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1676                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1677         }
1678 }
1679
1680 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1681         const MSList *elem;
1682         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1683         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1684                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1685                 if (lf->info==NULL){
1686                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1687                                 if (linphone_address_get_username(lf->uri)!=NULL){
1688                                         BuddyLookupRequest *req;
1689                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1690                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1691                                         buddy_lookup_request_set_key(req,tmp);
1692                                         buddy_lookup_request_set_max_results(req,1);
1693                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1694                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1695                                         ms_free(tmp);
1696                                 }
1697                         }
1698                 }
1699         }
1700 }
1701
1702 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1703         LinphoneProxyConfig *cfg=NULL;
1704         linphone_core_get_default_proxy(lc,&cfg);
1705         if (cfg){
1706                 if (lc->bl_refresh){
1707                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1708                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1709                                 linphone_core_grab_buddy_infos(lc,cfg);
1710                                 lc->bl_refresh=FALSE;
1711                         }
1712                 }
1713                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1714         }
1715 }
1716
1717 /**
1718  * Main loop function. It is crucial that your application call it periodically.
1719  *
1720  * @ingroup initializing
1721  * linphone_core_iterate() performs various backgrounds tasks:
1722  * - receiving of SIP messages
1723  * - handles timers and timeout
1724  * - performs registration to proxies
1725  * - authentication retries
1726  * The application MUST call this function periodically, in its main loop.
1727  * Be careful that this function must be called from the same thread as
1728  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1729  * serialized with a mutex.
1730 **/
1731 void linphone_core_iterate(LinphoneCore *lc){
1732         MSList *calls;
1733         LinphoneCall *call;
1734         time_t curtime=time(NULL);
1735         int elapsed;
1736         bool_t one_second_elapsed=FALSE;
1737
1738         if (curtime-lc->prevtime>=1){
1739                 lc->prevtime=curtime;
1740                 one_second_elapsed=TRUE;
1741         }
1742
1743         if (lc->ecc!=NULL){
1744                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1745                 if (ecs!=LinphoneEcCalibratorInProgress){
1746                         if (lc->ecc->cb)
1747                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1748                         if (ecs==LinphoneEcCalibratorDone){
1749                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1750                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1751                         }
1752                         ec_calibrator_destroy(lc->ecc);
1753                         lc->ecc=NULL;
1754                 }
1755         }
1756
1757         if (lc->preview_finished){
1758                 lc->preview_finished=0;
1759                 ring_stop(lc->ringstream);
1760                 lc->ringstream=NULL;
1761                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1762         }
1763
1764         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1765             && (curtime-lc->dmfs_playing_start_time)>5){
1766                 ring_stop(lc->ringstream);
1767                 lc->ringstream=NULL;
1768                 lc->dmfs_playing_start_time=0;
1769         }
1770
1771         sal_iterate(lc->sal);
1772         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1773         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1774
1775         proxy_update(lc);
1776
1777         //we have to iterate for each call
1778         calls= lc->calls;
1779         while(calls!= NULL){
1780                 call = (LinphoneCall *)calls->data;
1781                  /* get immediately a reference to next one in case the one
1782                  we are going to examine is destroy and removed during
1783                  linphone_core_start_invite() */
1784                 calls=calls->next;
1785                 linphone_call_background_tasks(call,one_second_elapsed);
1786                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1787                         /*start the call even if the OPTIONS reply did not arrive*/
1788                         linphone_core_start_invite(lc,call,NULL);
1789                 }
1790                 if (call->dir==LinphoneCallIncoming && call->state==LinphoneCallOutgoingRinging){
1791                         elapsed=curtime-call->start_time;
1792                         ms_message("incoming call ringing for %i seconds",elapsed);
1793                         if (elapsed>lc->sip_conf.inc_timeout){
1794                                 call->log->status=LinphoneCallMissed;
1795                                 linphone_core_terminate_call(lc,call);
1796                         }
1797                 }
1798         }
1799
1800         if (linphone_core_video_preview_enabled(lc)){
1801                 if (lc->previewstream==NULL && lc->calls==NULL)
1802                         toggle_video_preview(lc,TRUE);
1803 #ifdef VIDEO_ENABLED
1804                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1805 #endif
1806         }else{
1807                 if (lc->previewstream!=NULL)
1808                         toggle_video_preview(lc,FALSE);
1809         }
1810
1811         linphone_core_run_hooks(lc);
1812         linphone_core_do_plugin_tasks(lc);
1813
1814         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1815             (curtime-lc->netup_time)>3){
1816                 linphone_core_send_initial_subscribes(lc);
1817                 lc->initial_subscribes_sent=TRUE;
1818         }
1819
1820         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1821                 lp_config_sync(lc->config);
1822         }
1823 }
1824
1825 /**
1826  * Interpret a call destination as supplied by the user, and returns a fully qualified
1827  * LinphoneAddress.
1828  *
1829  * A sip address should look like DisplayName <sip:username@domain:port> .
1830  * Basically this function performs the following tasks
1831  * - if a phone number is entered, prepend country prefix of the default proxy
1832  *   configuration, eventually escape the '+' by 00.
1833  * - if no domain part is supplied, append the domain name of the default proxy
1834  * - if no sip: is present, prepend it
1835  *
1836  * The result is a syntaxically correct SIP address.
1837 **/
1838
1839 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1840         enum_lookup_res_t *enumres=NULL;
1841         char *enum_domain=NULL;
1842         LinphoneProxyConfig *proxy=lc->default_proxy;;
1843         char *tmpurl;
1844         LinphoneAddress *uri;
1845
1846         if (is_enum(url,&enum_domain)){
1847                 if (lc->vtable.display_status!=NULL)
1848                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1849                 if (enum_lookup(enum_domain,&enumres)<0){
1850                         if (lc->vtable.display_status!=NULL)
1851                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1852                         ms_free(enum_domain);
1853                         return NULL;
1854                 }
1855                 ms_free(enum_domain);
1856                 tmpurl=enumres->sip_address[0];
1857                 uri=linphone_address_new(tmpurl);
1858                 enum_lookup_res_free(enumres);
1859                 return uri;
1860         }
1861         /* check if we have a "sip:" */
1862         if (strstr(url,"sip:")==NULL){
1863                 /* this doesn't look like a true sip uri */
1864                 if (strchr(url,'@')!=NULL){
1865                         /* seems like sip: is missing !*/
1866                         tmpurl=ms_strdup_printf("sip:%s",url);
1867                         uri=linphone_address_new(tmpurl);
1868                         ms_free(tmpurl);
1869                         if (uri){
1870                                 return uri;
1871                         }
1872                 }
1873
1874                 if (proxy!=NULL){
1875                         /* append the proxy domain suffix */
1876                         const char *identity=linphone_proxy_config_get_identity(proxy);
1877                         char normalized_username[128];
1878                         uri=linphone_address_new(identity);
1879                         if (uri==NULL){
1880                                 return NULL;
1881                         }
1882                         linphone_address_set_display_name(uri,NULL);
1883                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1884                                                                 sizeof(normalized_username));
1885                         linphone_address_set_username(uri,normalized_username);
1886                         return uri;
1887                 }else return NULL;
1888         }
1889         uri=linphone_address_new(url);
1890         if (uri!=NULL){
1891                 return uri;
1892         }
1893         /* else we could not do anything with url given by user, so display an error */
1894         if (lc->vtable.display_warning!=NULL){
1895                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1896         }
1897         return NULL;
1898 }
1899
1900 /**
1901  * Returns the default identity SIP address.
1902  *
1903  * @ingroup proxies
1904  * This is an helper function:
1905  *
1906  * If no default proxy is set, this will return the primary contact (
1907  * see linphone_core_get_primary_contact() ). If a default proxy is set
1908  * it returns the registered identity on the proxy.
1909 **/
1910 const char * linphone_core_get_identity(LinphoneCore *lc){
1911         LinphoneProxyConfig *proxy=NULL;
1912         const char *from;
1913         linphone_core_get_default_proxy(lc,&proxy);
1914         if (proxy!=NULL) {
1915                 from=linphone_proxy_config_get_identity(proxy);
1916         }else from=linphone_core_get_primary_contact(lc);
1917         return from;
1918 }
1919
1920 const char * linphone_core_get_route(LinphoneCore *lc){
1921         LinphoneProxyConfig *proxy=NULL;
1922         const char *route=NULL;
1923         linphone_core_get_default_proxy(lc,&proxy);
1924         if (proxy!=NULL) {
1925                 route=linphone_proxy_config_get_route(proxy);
1926         }
1927         return route;
1928 }
1929
1930 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
1931         if (call->refer_pending){
1932                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
1933                 cp->referer=call;
1934                 ms_message("Starting new call to refered address %s",call->refer_to);
1935                 call->refer_pending=FALSE;
1936                 linphone_core_invite_with_params(lc,call->refer_to,cp);
1937                 linphone_call_params_destroy(cp);
1938         }
1939 }
1940
1941 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1942         const MSList *elem;
1943         LinphoneProxyConfig *found_cfg=NULL;
1944         LinphoneProxyConfig *default_cfg=lc->default_proxy;
1945
1946         /*always prefer the default proxy if it is matching the destination uri*/
1947         if (default_cfg){
1948                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
1949                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
1950                         return default_cfg;
1951         }
1952
1953         /*otherwise iterate through the other proxy config and return the first matching*/
1954         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1955                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1956                 const char *domain=linphone_proxy_config_get_domain(cfg);
1957                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1958                         found_cfg=cfg;
1959                         break;
1960                 }
1961         }
1962         return found_cfg;
1963 }
1964
1965 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
1966         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
1967         if (cfg==NULL)
1968                 linphone_core_get_default_proxy (lc,&cfg);
1969         if (cfg!=NULL){
1970                 if (route) *route=linphone_proxy_config_get_route(cfg);
1971                 return linphone_proxy_config_get_identity (cfg);
1972         }
1973         return linphone_core_get_primary_contact (lc);
1974 }
1975
1976 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
1977         LinphoneAddress *ctt;
1978         const char *localip=call->localip;
1979
1980         /* first use user's supplied ip address if asked*/
1981         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
1982                 ctt=linphone_core_get_primary_contact_parsed(lc);
1983                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
1984                         linphone_core_get_nat_address_resolved(lc));
1985         }
1986
1987         /* if already choosed, don't change it */
1988         if (call->op && sal_op_get_contact(call->op)!=NULL){
1989                 return NULL;
1990         }
1991         /* if the ping OPTIONS request succeeded use the contact guessed from the
1992          received, rport*/
1993         if (call->ping_op){
1994                 const char *guessed=sal_op_get_contact(call->ping_op);
1995                 if (guessed){
1996                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
1997                         return ms_strdup(guessed);
1998                 }
1999         }
2000
2001         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2002         if (dest_proxy && dest_proxy->op){
2003                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2004                 if (fixed_contact) {
2005                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2006                         return ms_strdup(fixed_contact);
2007                 }
2008         }
2009
2010         ctt=linphone_core_get_primary_contact_parsed(lc);
2011
2012         if (ctt!=NULL){
2013                 char *ret;
2014                 /*otherwise use supllied localip*/
2015                 linphone_address_set_domain(ctt,localip);
2016                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2017                 ret=linphone_address_as_string_uri_only(ctt);
2018                 linphone_address_destroy(ctt);
2019                 ms_message("Contact has been fixed using local ip to %s",ret);
2020                 return ret;
2021         }
2022         return NULL;
2023 }
2024
2025 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2026         int err;
2027         char *contact;
2028         char *real_url,*barmsg;
2029         char *from;
2030
2031         /*try to be best-effort in giving real local or routable contact address */
2032         contact=get_fixed_contact(lc,call,dest_proxy);
2033         if (contact){
2034                 sal_op_set_contact(call->op, contact);
2035                 ms_free(contact);
2036         }
2037
2038         //TODO : should probably not be done here
2039         linphone_call_init_media_streams(call);
2040         if (!lc->sip_conf.sdp_200_ack){
2041                 call->media_pending=TRUE;
2042                 sal_call_set_local_media_description(call->op,call->localdesc);
2043         }
2044         real_url=linphone_address_as_string(call->log->to);
2045         from=linphone_address_as_string(call->log->from);
2046         err=sal_call(call->op,from,real_url);
2047
2048         if (lc->sip_conf.sdp_200_ack){
2049                 call->media_pending=TRUE;
2050                 sal_call_set_local_media_description(call->op,call->localdesc);
2051         }
2052         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2053         if (lc->vtable.display_status!=NULL)
2054                 lc->vtable.display_status(lc,barmsg);
2055         ms_free(barmsg);
2056
2057         if (err<0){
2058                 if (lc->vtable.display_status!=NULL)
2059                         lc->vtable.display_status(lc,_("Could not call"));
2060                 linphone_call_stop_media_streams(call);
2061                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2062         }else {
2063                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2064         }
2065         ms_free(real_url);
2066         ms_free(from);
2067         return err;
2068 }
2069
2070 /**
2071  * Initiates an outgoing call
2072  *
2073  * @ingroup call_control
2074  * @param lc the LinphoneCore object
2075  * @param url the destination of the call (sip address, or phone number).
2076  *
2077  * The application doesn't own a reference to the returned LinphoneCall object.
2078  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2079  *
2080  * @return a LinphoneCall object or NULL in case of failure
2081 **/
2082 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2083         LinphoneCall *call;
2084         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2085         call=linphone_core_invite_with_params(lc,url,p);
2086         linphone_call_params_destroy(p);
2087         return call;
2088 }
2089
2090
2091 /**
2092  * Initiates an outgoing call according to supplied call parameters
2093  *
2094  * @ingroup call_control
2095  * @param lc the LinphoneCore object
2096  * @param url the destination of the call (sip address, or phone number).
2097  * @param p call parameters
2098  *
2099  * The application doesn't own a reference to the returned LinphoneCall object.
2100  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2101  *
2102  * @return a LinphoneCall object or NULL in case of failure
2103 **/
2104 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2105         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2106         if (addr){
2107                 LinphoneCall *call;
2108                 call=linphone_core_invite_address_with_params(lc,addr,p);
2109                 linphone_address_destroy(addr);
2110                 return call;
2111         }
2112         return NULL;
2113 }
2114
2115 /**
2116  * Initiates an outgoing call given a destination LinphoneAddress
2117  *
2118  * @ingroup call_control
2119  * @param lc the LinphoneCore object
2120  * @param addr the destination of the call (sip address).
2121  *
2122  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2123  * created by linphone_core_interpret_url().
2124  * The application doesn't own a reference to the returned LinphoneCall object.
2125  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2126  *
2127  * @return a LinphoneCall object or NULL in case of failure
2128 **/
2129 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2130         LinphoneCall *call;
2131         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2132         call=linphone_core_invite_address_with_params (lc,addr,p);
2133         linphone_call_params_destroy(p);
2134         return call;
2135 }
2136
2137
2138 /**
2139  * Initiates an outgoing call given a destination LinphoneAddress
2140  *
2141  * @ingroup call_control
2142  * @param lc the LinphoneCore object
2143  * @param addr the destination of the call (sip address).
2144         @param params call parameters
2145  *
2146  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2147  * created by linphone_core_interpret_url().
2148  * The application doesn't own a reference to the returned LinphoneCall object.
2149  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2150  *
2151  * @return a LinphoneCall object or NULL in case of failure
2152 **/
2153 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2154 {
2155         const char *route=NULL;
2156         const char *from=NULL;
2157         LinphoneProxyConfig *proxy=NULL;
2158         LinphoneAddress *parsed_url2=NULL;
2159         char *real_url=NULL;
2160         LinphoneProxyConfig *dest_proxy=NULL;
2161         LinphoneCall *call;
2162
2163         linphone_core_preempt_sound_resources(lc);
2164
2165         if(!linphone_core_can_we_add_call(lc)){
2166                 if (lc->vtable.display_warning)
2167                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2168                 return NULL;
2169         }
2170         linphone_core_get_default_proxy(lc,&proxy);
2171         route=linphone_core_get_route(lc);
2172
2173         real_url=linphone_address_as_string(addr);
2174         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2175
2176         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2177                 ms_message("Overriding default proxy setting for this call:");
2178                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2179         }
2180
2181         if (dest_proxy!=NULL)
2182                 from=linphone_proxy_config_get_identity(dest_proxy);
2183         else if (proxy!=NULL)
2184                 from=linphone_proxy_config_get_identity(proxy);
2185
2186         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2187         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2188
2189         parsed_url2=linphone_address_new(from);
2190
2191         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2192         sal_op_set_route(call->op,route);
2193
2194         if(linphone_core_add_call(lc,call)!= 0)
2195         {
2196                 ms_warning("we had a problem in adding the call into the invite ... weird");
2197                 linphone_call_unref(call);
2198                 return NULL;
2199         }
2200         /* this call becomes now the current one*/
2201         lc->current_call=call;
2202         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2203         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2204                 linphone_core_start_invite(lc,call,dest_proxy);
2205         }else{
2206                 /*defer the start of the call after the OPTIONS ping*/
2207                 call->ping_op=sal_op_new(lc->sal);
2208                 sal_ping(call->ping_op,from,real_url);
2209                 sal_op_set_user_pointer(call->ping_op,call);
2210                 call->start_time=time(NULL);
2211         }
2212
2213         if (real_url!=NULL) ms_free(real_url);
2214         return call;
2215 }
2216
2217 /**
2218  * Performs a simple call transfer to the specified destination.
2219  *
2220  * The remote endpoint is expected to issue a new call to the specified destination.
2221  * The current call remains active and thus can be later paused or terminated.
2222 **/
2223 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2224 {
2225         char *real_url=NULL;
2226         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2227
2228         if (!real_parsed_url){
2229                 /* bad url */
2230                 return -1;
2231         }
2232         if (call==NULL){
2233                 ms_warning("No established call to refer.");
2234                 return -1;
2235         }
2236         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2237         real_url=linphone_address_as_string (real_parsed_url);
2238         sal_call_refer(call->op,real_url);
2239         ms_free(real_url);
2240         linphone_address_destroy(real_parsed_url);
2241         return 0;
2242 }
2243
2244 /**
2245  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2246  * @param lc linphone core object
2247  * @param call a running call you want to transfer
2248  * @param dest a running call whose remote person will receive the transfer
2249  *
2250  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2251  * The destination call is a call previously established to introduce the transfered person.
2252  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2253  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2254  * close the call with us (the 'dest' call).
2255 **/
2256 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2257         return sal_call_refer_with_replaces (call->op,dest->op);
2258 }
2259
2260 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2261         LinphoneCall *call = linphone_core_get_current_call(lc);
2262         if(call != NULL)
2263         {
2264                 if(call->dir==LinphoneCallIncoming
2265                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2266                         return TRUE;
2267         }
2268         return FALSE;
2269 }
2270
2271 /**
2272  * @ingroup call_control
2273  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2274  *
2275  * In this version this is limited to the following use cases:
2276  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2277  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2278  *
2279  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2280  *
2281  * @return 0 if successful, -1 otherwise.
2282 **/
2283 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2284         int err=0;
2285         if (params!=NULL){
2286                 const char *subject;
2287                 call->params=*params;
2288                 update_local_media_description(lc,call,&call->localdesc);
2289                 call->camera_active=params->has_video;
2290
2291                 if (params->in_conference){
2292                         subject="Conference";
2293                 }else{
2294                         subject="Media change";
2295                 }
2296                 if (lc->vtable.display_status)
2297                         lc->vtable.display_status(lc,_("Modifying call parameters..."));
2298                 sal_call_set_local_media_description (call->op,call->localdesc);
2299                 err=sal_call_update(call->op,subject);
2300         }else{
2301 #ifdef VIDEO_ENABLED
2302                 if (call->videostream!=NULL){
2303                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2304                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2305                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2306                         }else video_stream_update_video_params(call->videostream);
2307                 }
2308 #endif
2309         }
2310
2311         return err;
2312 }
2313
2314
2315 /**
2316  * Accept an incoming call.
2317  *
2318  * @ingroup call_control
2319  * Basically the application is notified of incoming calls within the
2320  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2321  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2322  * The application can later accept the call using
2323  * this method.
2324  * @param lc the LinphoneCore object
2325  * @param call the LinphoneCall object representing the call to be answered.
2326  *
2327 **/
2328 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call)
2329 {
2330         LinphoneProxyConfig *cfg=NULL,*dest_proxy=NULL;
2331         const char *contact=NULL;
2332         SalOp *replaced;
2333         SalMediaDescription *new_md;
2334
2335         if (call==NULL){
2336                 //if just one call is present answer the only one ...
2337                 if(linphone_core_get_calls_nb (lc) != 1)
2338                         return -1;
2339                 else
2340                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2341         }
2342
2343         if (call->state==LinphoneCallConnected){
2344                 /*call already accepted*/
2345                 return -1;
2346         }
2347
2348         /* check if this call is supposed to replace an already running one*/
2349         replaced=sal_call_get_replaces(call->op);
2350         if (replaced){
2351                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2352                 if (rc){
2353                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2354                                    call,rc);
2355                         linphone_core_terminate_call(lc,rc);
2356                 }
2357         }
2358
2359         if (lc->current_call!=call){
2360                 linphone_core_preempt_sound_resources(lc);
2361         }
2362
2363         /*stop ringing */
2364         if (lc->ringstream!=NULL) {
2365                 ms_message("stop ringing");
2366                 ring_stop(lc->ringstream);
2367                 ms_message("ring stopped");
2368                 lc->ringstream=NULL;
2369         }
2370         if (call->ringing_beep){
2371                 linphone_core_stop_dtmf(lc);
2372                 call->ringing_beep=FALSE;
2373         }
2374
2375         linphone_core_get_default_proxy(lc,&cfg);
2376         dest_proxy=cfg;
2377         dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2378
2379         if (cfg!=dest_proxy && dest_proxy!=NULL) {
2380                 ms_message("Overriding default proxy setting for this call:");
2381                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2382         }
2383         /*try to be best-effort in giving real local or routable contact address*/
2384         contact=get_fixed_contact(lc,call,dest_proxy);
2385         if (contact)
2386                 sal_op_set_contact(call->op,contact);
2387
2388         if (call->audiostream==NULL)
2389                 linphone_call_init_media_streams(call);
2390
2391         sal_call_accept(call->op);
2392         if (lc->vtable.display_status!=NULL)
2393                 lc->vtable.display_status(lc,_("Connected."));
2394         lc->current_call=call;
2395         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2396         new_md=sal_call_get_final_media_description(call->op);
2397         linphone_core_update_streams(lc, call, new_md);
2398         if (new_md){
2399                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2400         }else call->media_pending=TRUE;
2401
2402         ms_message("call answered.");
2403         return 0;
2404 }
2405
2406 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2407         sal_call_terminate(call->op);
2408
2409         /*stop ringing*/
2410         if (lc->ringstream!=NULL) {
2411                 ring_stop(lc->ringstream);
2412                 lc->ringstream=NULL;
2413         }
2414         linphone_call_stop_media_streams(call);
2415         if (lc->vtable.display_status!=NULL)
2416                 lc->vtable.display_status(lc,_("Call aborted") );
2417         linphone_call_set_state(call,LinphoneCallError,error);
2418         return 0;
2419 }
2420
2421 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2422         if (call->state==LinphoneCallIncomingReceived){
2423                 call->reason=LinphoneReasonDeclined;
2424         }
2425         /*stop ringing*/
2426         if (lc->ringstream!=NULL) {
2427                 ring_stop(lc->ringstream);
2428                 lc->ringstream=NULL;
2429         }
2430
2431         linphone_call_stop_media_streams(call);
2432         if (lc->vtable.display_status!=NULL)
2433                 lc->vtable.display_status(lc,_("Call ended") );
2434 }
2435
2436 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2437         if (call->state==LinphoneCallIncomingReceived){
2438                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2439                 call->reason=LinphoneReasonDeclined;
2440                 terminate_call(lc,call);
2441                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2442         }else{
2443                 ms_error("Bad state for call redirection.");
2444                 return -1;
2445     }
2446         return 0;
2447 }
2448
2449
2450 /**
2451  * Terminates a call.
2452  *
2453  * @ingroup call_control
2454  * @param lc the LinphoneCore
2455  * @param the_call the LinphoneCall object representing the call to be terminated.
2456 **/
2457 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2458 {
2459         LinphoneCall *call;
2460         if (the_call == NULL){
2461                 call = linphone_core_get_current_call(lc);
2462                 if (ms_list_size(lc->calls)==1){
2463                         call=(LinphoneCall*)lc->calls->data;
2464                 }else{
2465                         ms_warning("No unique call to terminate !");
2466                         return -1;
2467                 }
2468         }
2469         else
2470         {
2471                 call = the_call;
2472         }
2473         sal_call_terminate(call->op);
2474         terminate_call(lc,call);
2475
2476         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2477         return 0;
2478 }
2479
2480 /**
2481  * Terminates all the calls.
2482  *
2483  * @ingroup call_control
2484  * @param lc The LinphoneCore
2485 **/
2486 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2487         MSList *calls=lc->calls;
2488         while(calls) {
2489                 LinphoneCall *c=(LinphoneCall*)calls->data;
2490                 calls=calls->next;
2491                 linphone_core_terminate_call(lc,c);
2492         }
2493         return 0;
2494 }
2495
2496 /**
2497  * Returns the current list of calls.
2498  *
2499  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2500  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2501  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2502  *
2503  * @ingroup call_control
2504 **/
2505 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2506 {
2507         return lc->calls;
2508 }
2509
2510 /**
2511  * Returns TRUE if there is a call running.
2512  *
2513  * @ingroup call_control
2514 **/
2515 bool_t linphone_core_in_call(const LinphoneCore *lc){
2516         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2517 }
2518
2519 /**
2520  * Returns The _LinphoneCall struct of the current call if one is in call
2521  *
2522  * @ingroup call_control
2523 **/
2524 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2525 {
2526         return lc->current_call;
2527 }
2528
2529 /**
2530  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2531  * this file will be played to the remote user.
2532  *
2533  * @ingroup call_control
2534 **/
2535 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2536 {
2537         const char *subject=NULL;
2538
2539         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2540                 ms_warning("Cannot pause this call, it is not active.");
2541                 return -1;
2542         }
2543         update_local_media_description(lc,call,&call->localdesc);
2544         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2545                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2546                 subject="Call on hold";
2547         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2548                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2549                 subject="Call on hold for me too";
2550         }else{
2551                 ms_error("No reason to pause this call, it is already paused or inactive.");
2552                 return -1;
2553         }
2554         sal_call_set_local_media_description(call->op,call->localdesc);
2555         if (sal_call_update(call->op,subject) != 0){
2556                 if (lc->vtable.display_warning)
2557                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2558         }
2559         lc->current_call=NULL;
2560         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2561         if (lc->vtable.display_status)
2562                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2563         if (call->audiostream || call->videostream)
2564                 linphone_call_stop_media_streams (call);
2565         return 0;
2566 }
2567
2568 /**
2569  * Pause all currently running calls.
2570 **/
2571 int linphone_core_pause_all_calls(LinphoneCore *lc){
2572         const MSList *elem;
2573         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2574                 LinphoneCall *call=(LinphoneCall *)elem->data;
2575                 LinphoneCallState cs=linphone_call_get_state(call);
2576                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2577                         linphone_core_pause_call(lc,call);
2578                 }
2579         }
2580         return 0;
2581 }
2582
2583 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
2584         LinphoneCall *current_call;
2585         if (linphone_core_is_in_conference(lc)){
2586                 linphone_core_leave_conference(lc);
2587                 return;
2588         }
2589         current_call=linphone_core_get_current_call(lc);
2590         if(current_call != NULL){
2591                 ms_message("Pausing automatically the current call.");
2592                 linphone_core_pause_call(lc,current_call);
2593         }
2594 }
2595
2596 /**
2597  * Resumes the call.
2598  *
2599  * @ingroup call_control
2600 **/
2601 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2602 {
2603         char temp[255]={0};
2604         LinphoneCall *call = the_call;
2605         const char *subject="Call resuming";
2606
2607         if(call->state!=LinphoneCallPaused ){
2608                 ms_warning("we cannot resume a call that has not been established and paused before");
2609                 return -1;
2610         }
2611         if (call->params.in_conference==FALSE){
2612                 linphone_core_preempt_sound_resources(lc);
2613                 ms_message("Resuming call %p",call);
2614         }
2615
2616         // Stop playing music immediately. If remote side is a conference it
2617         // prevents the participants to hear it while the 200OK comes back.
2618         audio_stream_play(call->audiostream, NULL);
2619
2620         update_local_media_description(lc,the_call,&call->localdesc);
2621         sal_call_set_local_media_description(call->op,call->localdesc);
2622         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
2623         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
2624         if(sal_call_update(call->op,subject) != 0){
2625                 return -1;
2626         }
2627         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2628         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2629         if (lc->vtable.display_status)
2630                 lc->vtable.display_status(lc,temp);
2631         return 0;
2632 }
2633
2634 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
2635         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
2636         return !linphone_address_weak_equal (addr,raddr);
2637 }
2638
2639 /**
2640  * Get the call with the remote_address specified
2641  * @param lc
2642  * @param remote_address
2643  * @return the LinphoneCall of the call if found
2644  */
2645 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2646         LinphoneAddress *raddr=linphone_address_new(remote_address);
2647         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
2648         if (elem) return (LinphoneCall*) elem->data;
2649         return NULL;
2650 }
2651
2652 int linphone_core_send_publish(LinphoneCore *lc,
2653                                LinphoneOnlineStatus presence_mode)
2654 {
2655         const MSList *elem;
2656         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2657                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2658                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2659         }
2660         return 0;
2661 }
2662
2663 /**
2664  * Set the incoming call timeout in seconds.
2665  *
2666  * @ingroup call_control
2667  * If an incoming call isn't answered for this timeout period, it is
2668  * automatically declined.
2669 **/
2670 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2671         lc->sip_conf.inc_timeout=seconds;
2672 }
2673
2674 /**
2675  * Returns the incoming call timeout
2676  *
2677  * @ingroup call_control
2678  * See linphone_core_set_inc_timeout() for details.
2679 **/
2680 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2681         return lc->sip_conf.inc_timeout;
2682 }
2683
2684 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2685                                                                                                         const char *contact,
2686                                                                                                         LinphoneOnlineStatus presence_mode)
2687 {
2688         if (minutes_away>0) lc->minutes_away=minutes_away;
2689
2690         if (lc->alt_contact!=NULL) {
2691                 ms_free(lc->alt_contact);
2692                 lc->alt_contact=NULL;
2693         }
2694         if (contact) lc->alt_contact=ms_strdup(contact);
2695         if (lc->presence_mode!=presence_mode){
2696                 linphone_core_notify_all_friends(lc,presence_mode);
2697                 /*
2698                    Improve the use of all LINPHONE_STATUS available.
2699                    !TODO Do not mix "presence status" with "answer status code"..
2700                    Use correct parameter to follow sip_if_match/sip_etag.
2701                  */
2702                 linphone_core_send_publish(lc,presence_mode);
2703         }
2704         lc->presence_mode=presence_mode;
2705 }
2706
2707 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2708         return lc->presence_mode;
2709 }
2710
2711 /**
2712  * Get playback sound level in 0-100 scale.
2713  *
2714  * @ingroup media_parameters
2715 **/
2716 int linphone_core_get_play_level(LinphoneCore *lc)
2717 {
2718         return lc->sound_conf.play_lev;
2719 }
2720
2721 /**
2722  * Get ring sound level in 0-100 scale
2723  *
2724  * @ingroup media_parameters
2725 **/
2726 int linphone_core_get_ring_level(LinphoneCore *lc)
2727 {
2728         return lc->sound_conf.ring_lev;
2729 }
2730
2731 /**
2732  * Get sound capture level in 0-100 scale
2733  *
2734  * @ingroup media_parameters
2735 **/
2736 int linphone_core_get_rec_level(LinphoneCore *lc){
2737         return lc->sound_conf.rec_lev;
2738 }
2739
2740 /**
2741  * Set sound ring level in 0-100 scale
2742  *
2743  * @ingroup media_parameters
2744 **/
2745 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2746         MSSndCard *sndcard;
2747         lc->sound_conf.ring_lev=level;
2748         sndcard=lc->sound_conf.ring_sndcard;
2749         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2750 }
2751
2752 /**
2753  * Allow to control play level before entering sound card:  gain in db
2754  *
2755  * @ingroup media_parameters
2756 **/
2757 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
2758         float gain=gaindb;
2759         LinphoneCall *call=linphone_core_get_current_call (lc);
2760         AudioStream *st;
2761
2762         lc->sound_conf.soft_play_lev=gaindb;
2763
2764         if (call==NULL || (st=call->audiostream)==NULL){
2765                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
2766                 return;
2767         }
2768         if (st->volrecv){
2769                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
2770         }else ms_warning("Could not apply gain: gain control wasn't activated.");
2771 }
2772
2773 /**
2774  * Get playback gain in db before entering  sound card.
2775  *
2776  * @ingroup media_parameters
2777 **/
2778 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
2779         return lc->sound_conf.soft_play_lev;
2780 }
2781
2782 /**
2783  * Set sound playback level in 0-100 scale
2784  *
2785  * @ingroup media_parameters
2786 **/
2787 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2788         MSSndCard *sndcard;
2789         lc->sound_conf.play_lev=level;
2790         sndcard=lc->sound_conf.play_sndcard;
2791         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2792 }
2793
2794 /**
2795  * Set sound capture level in 0-100 scale
2796  *
2797  * @ingroup media_parameters
2798 **/
2799 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2800 {
2801         MSSndCard *sndcard;
2802         lc->sound_conf.rec_lev=level;
2803         sndcard=lc->sound_conf.capt_sndcard;
2804         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2805 }
2806
2807 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2808         MSSndCard *sndcard=NULL;
2809         if (devid!=NULL){
2810                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2811                 if (sndcard!=NULL &&
2812                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2813                         ms_warning("%s card does not have the %s capability, ignoring.",
2814                                 devid,
2815                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2816                         sndcard=NULL;
2817                 }
2818         }
2819         if (sndcard==NULL) {
2820                 /* get a card that has read+write capabilities */
2821                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2822                 /* otherwise refine to the first card having the right capability*/
2823                 if (sndcard==NULL){
2824                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2825                         for(;elem!=NULL;elem=elem->next){
2826                                 sndcard=(MSSndCard*)elem->data;
2827                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2828                         }
2829                 }
2830                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2831                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2832                         if (elem) sndcard=(MSSndCard*)elem->data;
2833         }
2834         }
2835         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2836         return sndcard;
2837 }
2838
2839 /**
2840  * Returns true if the specified sound device can capture sound.
2841  *
2842  * @ingroup media_parameters
2843  * @param lc The LinphoneCore object
2844  * @param devid the device name as returned by linphone_core_get_sound_devices()
2845 **/
2846 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2847         MSSndCard *sndcard;
2848         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2849         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2850         return FALSE;
2851 }
2852
2853 /**
2854  * Returns true if the specified sound device can play sound.
2855  *
2856  * @ingroup media_parameters
2857  * @param lc The LinphoneCore object
2858  * @param devid the device name as returned by linphone_core_get_sound_devices()
2859 **/
2860 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
2861         MSSndCard *sndcard;
2862         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2863         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
2864         return FALSE;
2865 }
2866
2867 /**
2868  * Sets the sound device used for ringing.
2869  *
2870  * @ingroup media_parameters
2871  * @param lc The LinphoneCore object
2872  * @param devid the device name as returned by linphone_core_get_sound_devices()
2873 **/
2874 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
2875         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2876         lc->sound_conf.ring_sndcard=card;
2877         if (card && linphone_core_ready(lc))
2878                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
2879         return 0;
2880 }
2881
2882 /**
2883  * Sets the sound device used for playback.
2884  *
2885  * @ingroup media_parameters
2886  * @param lc The LinphoneCore object
2887  * @param devid the device name as returned by linphone_core_get_sound_devices()
2888 **/
2889 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
2890         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
2891         lc->sound_conf.play_sndcard=card;
2892         if (card &&  linphone_core_ready(lc))
2893                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
2894         return 0;
2895 }
2896
2897 /**
2898  * Sets the sound device used for capture.
2899  *
2900  * @ingroup media_parameters
2901  * @param lc The LinphoneCore object
2902  * @param devid the device name as returned by linphone_core_get_sound_devices()
2903 **/
2904 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
2905         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
2906         lc->sound_conf.capt_sndcard=card;
2907         if (card &&  linphone_core_ready(lc))
2908                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
2909         return 0;
2910 }
2911
2912 /**
2913  * Returns the name of the currently assigned sound device for ringing.
2914  *
2915  * @ingroup media_parameters
2916  * @param lc The LinphoneCore object
2917 **/
2918 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
2919 {
2920         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
2921         return NULL;
2922 }
2923
2924 /**
2925  * Returns the name of the currently assigned sound device for playback.
2926  *
2927  * @ingroup media_parameters
2928  * @param lc The LinphoneCore object
2929 **/
2930 const char * linphone_core_get_playback_device(LinphoneCore *lc)
2931 {
2932         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
2933 }
2934
2935 /**
2936  * Returns the name of the currently assigned sound device for capture.
2937  *
2938  * @ingroup media_parameters
2939  * @param lc The LinphoneCore object
2940 **/
2941 const char * linphone_core_get_capture_device(LinphoneCore *lc)
2942 {
2943         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
2944 }
2945
2946 /**
2947  * Returns an unmodifiable array of available sound devices.
2948  *
2949  * The array is NULL terminated.
2950  *
2951  * @ingroup media_parameters
2952  * @param lc The LinphoneCore object
2953 **/
2954 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
2955         build_sound_devices_table(lc);
2956         return lc->sound_conf.cards;
2957 }
2958
2959 /**
2960  * Returns an unmodifiable array of available video capture devices.
2961  *
2962  * @ingroup media_parameters
2963  * The array is NULL terminated.
2964 **/
2965 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
2966         return lc->video_conf.cams;
2967 }
2968
2969 char linphone_core_get_sound_source(LinphoneCore *lc)
2970 {
2971         return lc->sound_conf.source;
2972 }
2973
2974 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
2975 {
2976         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
2977         lc->sound_conf.source=source;
2978         if (!sndcard) return;
2979         switch(source){
2980                 case 'm':
2981                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
2982                         break;
2983                 case 'l':
2984                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
2985                         break;
2986         }
2987
2988 }
2989
2990
2991 /**
2992  * Sets the path to a wav file used for ringing.
2993  *
2994  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
2995  * @param lc The LinphoneCore object
2996  *
2997  * @ingroup media_parameters
2998 **/
2999 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3000         if (lc->sound_conf.local_ring!=0){
3001                 ms_free(lc->sound_conf.local_ring);
3002                 lc->sound_conf.local_ring=NULL;
3003         }
3004         if (path)
3005                 lc->sound_conf.local_ring=ms_strdup(path);
3006         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3007                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3008 }
3009
3010 /**
3011  * Returns the path to the wav file used for ringing.
3012  *
3013  * @param lc The LinphoneCore object
3014  * @ingroup media_parameters
3015 **/
3016 const char *linphone_core_get_ring(const LinphoneCore *lc){
3017         return lc->sound_conf.local_ring;
3018 }
3019
3020 /**
3021  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3022  *
3023  * @param path
3024  * @param lc The LinphoneCore object
3025  *
3026  * @ingroup media_parameters
3027 **/
3028 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3029         sal_set_root_ca(lc->sal, path);
3030 }
3031
3032 /**
3033  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3034 **/
3035 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3036         sal_verify_server_certificates(lc->sal,yesno);
3037 }
3038
3039 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3040         LinphoneCore *lc=(LinphoneCore*)ud;
3041         lc->preview_finished=1;
3042 }
3043
3044 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3045 {
3046         if (lc->ringstream!=0){
3047                 ms_warning("Cannot start ring now,there's already a ring being played");
3048                 return -1;
3049         }
3050         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3051         lc->preview_finished=0;
3052         if (lc->sound_conf.ring_sndcard!=NULL){
3053                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3054                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3055         }
3056         return 0;
3057 }
3058
3059 /**
3060  * Sets the path to a wav file used for ringing back.
3061  *
3062  * Ringback means the ring that is heard when it's ringing at the remote party.
3063  * The file must be a wav 16bit linear.
3064  *
3065  * @ingroup media_parameters
3066 **/
3067 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3068         if (lc->sound_conf.remote_ring!=0){
3069                 ms_free(lc->sound_conf.remote_ring);
3070         }
3071         lc->sound_conf.remote_ring=ms_strdup(path);
3072 }
3073
3074 /**
3075  * Returns the path to the wav file used for ringing back.
3076  *
3077  * @ingroup media_parameters
3078 **/
3079 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3080         return lc->sound_conf.remote_ring;
3081 }
3082
3083 /**
3084  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3085  *
3086  * @ingroup media_parameters
3087 **/
3088 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3089         lc->sound_conf.ec=val;
3090         if ( linphone_core_ready(lc))
3091                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3092 }
3093
3094
3095 /**
3096  * Returns TRUE if echo cancellation is enabled.
3097  *
3098  * @ingroup media_parameters
3099 **/
3100 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3101         return lc->sound_conf.ec;
3102 }
3103
3104 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3105         lc->sound_conf.ea=val;
3106 }
3107
3108 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3109         return lc->sound_conf.ea;
3110 }
3111
3112 /**
3113  * Mutes or unmutes the local microphone.
3114  *
3115  * @ingroup media_parameters
3116 **/
3117 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3118         LinphoneCall *call=linphone_core_get_current_call(lc);
3119         AudioStream *st=NULL;
3120         if (linphone_core_is_in_conference(lc)){
3121                 lc->conf_ctx.local_muted=val;
3122                 st=lc->conf_ctx.local_participant;
3123         }else if (call==NULL){
3124                 ms_warning("linphone_core_mute_mic(): No current call !");
3125                 return;
3126         }else{
3127                 st=call->audiostream;
3128                 call->audio_muted=val;
3129         }
3130         if (st!=NULL){
3131                 audio_stream_set_mic_gain(st,
3132                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3133                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3134                         audio_stream_mute_rtp(st,val);
3135                 }
3136
3137         }
3138 }
3139 /**
3140  * Returns whether microphone is muted.
3141 **/
3142 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3143         LinphoneCall *call=linphone_core_get_current_call(lc);
3144         if (linphone_core_is_in_conference(lc)){
3145                 return lc->conf_ctx.local_muted;
3146         }else if (call==NULL){
3147                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3148                 return FALSE;
3149         }
3150         return call->audio_muted;
3151 }
3152
3153 // returns rtp transmission status for an active stream
3154 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3155 // was set on then rtp transmission is also muted
3156 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3157         LinphoneCall *call=linphone_core_get_current_call(lc);
3158         if (call==NULL){
3159                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3160                 return FALSE;
3161         }
3162         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3163                 return call->audio_muted;
3164         }
3165         return FALSE;
3166 }
3167
3168 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3169         lc->sound_conf.agc=val;
3170 }
3171
3172 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3173         return lc->sound_conf.agc;
3174 }
3175
3176 /**
3177  * Send the specified dtmf.
3178  *
3179  * @ingroup media_parameters
3180  * This function only works during calls. The dtmf is automatically played to the user.
3181  * @param lc The LinphoneCore object
3182  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3183  *
3184 **/
3185 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3186 {
3187         LinphoneCall *call=linphone_core_get_current_call(lc);
3188         if (call==NULL){
3189                 ms_warning("linphone_core_send_dtmf(): no active call");
3190                 return;
3191         }
3192         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3193         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3194         {
3195                 /* In Band DTMF */
3196                 if (call->audiostream!=NULL){
3197                         audio_stream_send_dtmf(call->audiostream,dtmf);
3198                 }
3199                 else
3200                 {
3201                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3202                 }
3203         }
3204         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3205                 /* Out of Band DTMF (use INFO method) */
3206                 sal_call_send_dtmf(call->op,dtmf);
3207         }
3208 }
3209
3210 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3211         if (lc->net_conf.stun_server!=NULL)
3212                 ms_free(lc->net_conf.stun_server);
3213         if (server)
3214                 lc->net_conf.stun_server=ms_strdup(server);
3215         else lc->net_conf.stun_server=NULL;
3216 }
3217
3218 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3219         return lc->net_conf.stun_server;
3220 }
3221
3222 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3223         return lc->net_conf.relay;
3224 }
3225
3226 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3227         if (lc->net_conf.relay!=NULL){
3228                 ms_free(lc->net_conf.relay);
3229                 lc->net_conf.relay=NULL;
3230         }
3231         if (addr){
3232                 lc->net_conf.relay=ms_strdup(addr);
3233         }
3234         return 0;
3235 }
3236
3237 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3238 {
3239         if (lc->net_conf.nat_address!=NULL){
3240                 ms_free(lc->net_conf.nat_address);
3241         }
3242         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3243         else lc->net_conf.nat_address=NULL;
3244         if (lc->sip_conf.contact) update_primary_contact(lc);
3245 }
3246
3247 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3248         return lc->net_conf.nat_address;
3249 }
3250
3251 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3252 {
3253         struct sockaddr_storage ss;
3254         socklen_t ss_len;
3255         int error;
3256         char ipstring [INET6_ADDRSTRLEN];
3257
3258         if (lc->net_conf.nat_address==NULL) return NULL;
3259
3260         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3261                 return lc->net_conf.nat_address;
3262         }
3263
3264         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3265                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3266         if (error) {
3267                 return lc->net_conf.nat_address;
3268         }
3269
3270         if (lc->net_conf.nat_address_ip!=NULL){
3271                 ms_free(lc->net_conf.nat_address_ip);
3272         }
3273         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3274         return lc->net_conf.nat_address_ip;
3275 }
3276
3277 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3278         lc->net_conf.firewall_policy=pol;
3279         if (lc->sip_conf.contact) update_primary_contact(lc);
3280 }
3281
3282 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3283         return lc->net_conf.firewall_policy;
3284 }
3285
3286 /**
3287  * Get the list of call logs (past calls).
3288  *
3289  * @ingroup call_logs
3290 **/
3291 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3292         lc->missed_calls=0;
3293         return lc->call_logs;
3294 }
3295
3296 /**
3297  * Erase the call log.
3298  *
3299  * @ingroup call_logs
3300 **/
3301 void linphone_core_clear_call_logs(LinphoneCore *lc){
3302         lc->missed_calls=0;
3303         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3304         lc->call_logs=ms_list_free(lc->call_logs);
3305         call_logs_write_to_config_file(lc);
3306 }
3307
3308 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3309 #ifdef VIDEO_ENABLED
3310         if (val){
3311                 if (lc->previewstream==NULL){
3312                         lc->previewstream=video_preview_new();
3313                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3314                         if (lc->video_conf.displaytype)
3315                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3316                         if (lc->preview_window_id!=0)
3317                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3318                         video_preview_start(lc->previewstream,lc->video_conf.device);
3319                 }
3320         }else{
3321                 if (lc->previewstream!=NULL){
3322                         video_preview_stop(lc->previewstream);
3323                         lc->previewstream=NULL;
3324                 }
3325         }
3326 #endif
3327 }
3328
3329 /**
3330  * Enables video globally.
3331  *
3332  * @ingroup media_parameters
3333  * This function does not have any effect during calls. It just indicates LinphoneCore to
3334  * initiate future calls with video or not. The two boolean parameters indicate in which
3335  * direction video is enabled. Setting both to false disables video entirely.
3336  *
3337  * @param lc The LinphoneCore object
3338  * @param vcap_enabled indicates whether video capture is enabled
3339  * @param display_enabled indicates whether video display should be shown
3340  *
3341 **/
3342 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3343 #ifndef VIDEO_ENABLED
3344         if (vcap_enabled || display_enabled)
3345                 ms_warning("This version of linphone was built without video support.");
3346 #endif
3347         lc->video_conf.capture=vcap_enabled;
3348         lc->video_conf.display=display_enabled;
3349
3350         /* need to re-apply network bandwidth settings*/
3351         linphone_core_set_download_bandwidth(lc,
3352                 linphone_core_get_download_bandwidth(lc));
3353         linphone_core_set_upload_bandwidth(lc,
3354                 linphone_core_get_upload_bandwidth(lc));
3355 }
3356
3357 /**
3358  * Returns TRUE if video is enabled, FALSE otherwise.
3359  * @ingroup media_parameters
3360 **/
3361 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3362         return (lc->video_conf.display || lc->video_conf.capture);
3363 }
3364
3365 /**
3366  * Controls video preview enablement.
3367  *
3368  * @ingroup media_parameters
3369  * Video preview refers to the action of displaying the local webcam image
3370  * to the user while not in call.
3371 **/
3372 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3373         lc->video_conf.show_local=val;
3374 }
3375
3376 /**
3377  * Returns TRUE if video previewing is enabled.
3378  * @ingroup media_parameters
3379 **/
3380 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3381         return lc->video_conf.show_local;
3382 }
3383
3384 /**
3385  * Enables or disable self view during calls.
3386  *
3387  * @ingroup media_parameters
3388  * Self-view refers to having local webcam image inserted in corner
3389  * of the video window during calls.
3390  * This function works at any time, including during calls.
3391 **/
3392 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3393 #ifdef VIDEO_ENABLED
3394         LinphoneCall *call=linphone_core_get_current_call (lc);
3395         lc->video_conf.selfview=val;
3396         if (call && call->videostream){
3397                 video_stream_enable_self_view(call->videostream,val);
3398         }
3399 #endif
3400 }
3401
3402 /**
3403  * Returns TRUE if self-view is enabled, FALSE otherwise.
3404  *
3405  * @ingroup media_parameters
3406  *
3407  * Refer to linphone_core_enable_self_view() for details.
3408 **/
3409 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3410         return lc->video_conf.selfview;
3411 }
3412
3413 /**
3414  * Sets the active video device.
3415  *
3416  * @ingroup media_parameters
3417  * @param lc The LinphoneCore object
3418  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3419 **/
3420 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3421         MSWebCam *olddev=lc->video_conf.device;
3422         const char *vd;
3423         if (id!=NULL){
3424                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3425                 if (lc->video_conf.device==NULL){
3426                         ms_warning("Could not found video device %s",id);
3427                 }
3428         }
3429         if (lc->video_conf.device==NULL)
3430                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3431         if (olddev!=NULL && olddev!=lc->video_conf.device){
3432                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3433         }
3434         if ( linphone_core_ready(lc) && lc->video_conf.device){
3435                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3436                 if (vd && strstr(vd,"Static picture")!=NULL){
3437                         vd=NULL;
3438                 }
3439                 lp_config_set_string(lc->config,"video","device",vd);
3440         }
3441         return 0;
3442 }
3443
3444 /**
3445  * Returns the name of the currently active video device.
3446  *
3447  * @param lc The LinphoneCore object
3448  * @ingroup media_parameters
3449 **/
3450 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3451         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3452         return NULL;
3453 }
3454
3455 #ifdef VIDEO_ENABLED
3456 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3457         VideoStream *vs = NULL;
3458         LinphoneCall *call=linphone_core_get_current_call (lc);
3459         /* Select the video stream from the call in the first place */
3460         if (call && call->videostream) {
3461                 vs = call->videostream;
3462         }
3463         /* If not in call, select the video stream from the preview */
3464         if (vs == NULL && lc->previewstream) {
3465                 vs = lc->previewstream;
3466         }
3467         return vs;
3468 }
3469 #endif
3470
3471 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3472 #ifdef VIDEO_ENABLED
3473         VideoStream *vs=get_active_video_stream(lc);
3474         /* If we have a video stream (either preview, either from call), we
3475                  have a source and it is using the static picture filter, then
3476                  force the filter to use that picture. */
3477         if (vs && vs->source) {
3478                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3479                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3480                                                                                                                 (void *)path);
3481                 }
3482         }
3483         /* Tell the static image filter to use that image from now on so
3484                  that the image will be used next time it has to be read */
3485         ms_static_image_set_default_image(path);
3486 #else
3487         ms_warning("Video support not compiled.");
3488 #endif
3489         return 0;
3490 }
3491
3492 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3493 #ifdef VIDEO_ENABLED
3494         VideoStream *vs = NULL;
3495
3496         vs=get_active_video_stream(lc);
3497
3498         /* If we have a video stream (either preview, either from call), we
3499                  have a source and it is using the static picture filter, then
3500                  force the filter to use that picture. */
3501         if (vs && vs->source) {
3502                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3503                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3504                 }
3505         }
3506 #else
3507         ms_warning("Video support not compiled.");
3508 #endif
3509         return 0;
3510 }
3511
3512 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
3513 #ifdef VIDEO_ENABLED
3514         VideoStream *vs = NULL;
3515         vs=get_active_video_stream(lc);
3516         /* If we have a video stream (either preview, either from call), we
3517                  have a source and it is using the static picture filter, then
3518                  force the filter to use that picture. */
3519         if (vs && vs->source) {
3520                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3521
3522                         float fps;
3523
3524                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
3525                         return fps;
3526                 }
3527         }
3528 #else
3529         ms_warning("Video support not compiled.");
3530 #endif
3531         return 0;
3532 }
3533
3534 /**
3535  * Returns the native window handle of the video window, casted as an unsigned long.
3536  *
3537  * @ingroup media_parameters
3538 **/
3539 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3540 #ifdef VIDEO_ENABLED
3541         LinphoneCall *call=linphone_core_get_current_call (lc);
3542         if (call && call->videostream)
3543                 return video_stream_get_native_window_id(call->videostream);
3544         if (lc->previewstream)
3545                 return video_stream_get_native_window_id(lc->previewstream);
3546 #endif
3547         return lc->video_window_id;
3548 }
3549
3550 /**@ingroup media_parameters
3551  * Set the native video window id where the video is to be displayed.
3552  * If not set the core will create its own window.
3553 **/
3554 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
3555 #ifdef VIDEO_ENABLED
3556         LinphoneCall *call=linphone_core_get_current_call(lc);
3557         lc->video_window_id=id;
3558         if (call!=NULL && call->videostream){
3559                 video_stream_set_native_window_id(call->videostream,id);
3560         }
3561 #endif
3562 }
3563
3564 /**
3565  * Returns the native window handle of the video preview window, casted as an unsigned long.
3566  *
3567  * @ingroup media_parameters
3568 **/
3569 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
3570 #ifdef VIDEO_ENABLED
3571         LinphoneCall *call=linphone_core_get_current_call (lc);
3572         if (call && call->videostream)
3573                 return video_stream_get_native_preview_window_id(call->videostream);
3574         if (lc->previewstream)
3575                 return video_preview_get_native_window_id(lc->previewstream);
3576 #endif
3577         return lc->preview_window_id;
3578 }
3579
3580 /**
3581  * @ingroup media_parameters
3582  * Set the native window id where the preview video (local camera) is to be displayed.
3583  * This has to be used in conjonction with linphone_core_use_preview_window().
3584  * If not set the core will create its own window.
3585 **/
3586 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
3587         lc->preview_window_id=id;
3588 #ifdef VIDEO_ENABLED
3589         LinphoneCall *call=linphone_core_get_current_call(lc);
3590         if (call!=NULL && call->videostream){
3591                 video_stream_set_native_preview_window_id(call->videostream,id);
3592         }
3593 #endif
3594 }
3595
3596 /**
3597  * Can be used to disable video showing to free XV port
3598 **/
3599 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
3600 #ifdef VIDEO_ENABLED
3601         ms_error("linphone_core_show_video %d", show);
3602         LinphoneCall *call=linphone_core_get_current_call(lc);
3603         if (call!=NULL && call->videostream){
3604                 video_stream_show_video(call->videostream,show);
3605         }
3606 #endif
3607 }
3608
3609 /**
3610  * Tells the core to use a separate window for local camera preview video, instead of
3611  * inserting local view within the remote video window.
3612  *
3613 **/
3614 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
3615         lc->use_preview_window=yesno;
3616 }
3617 /**
3618  * @ingroup media_parameters
3619  *returns current device orientation
3620  */
3621 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
3622         return lc->device_rotation;
3623 }
3624 /**
3625  * @ingroup media_parameters
3626  * Tells the core the device current orientation. This can be used by capture filters
3627  * on mobile devices to select between portrait/landscape mode and to produce properly
3628  * oriented images. The exact meaning of the value in rotation if left to each device
3629  * specific implementations.
3630  *@param lc  object.
3631  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
3632  *
3633 **/
3634 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
3635 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
3636         lc->device_rotation = rotation;
3637 #ifdef VIDEO_ENABLED
3638         LinphoneCall *call=linphone_core_get_current_call(lc);
3639         if (call!=NULL && call->videostream){
3640                 video_stream_set_device_rotation(call->videostream,rotation);
3641         }
3642 #endif
3643 }
3644
3645 static MSVideoSizeDef supported_resolutions[]={
3646 #ifdef ENABLE_HD
3647         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
3648         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
3649 #endif
3650         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
3651         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
3652         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
3653         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
3654         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
3655         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
3656         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
3657         {       {0,0}                   ,       NULL    }
3658 };
3659
3660 /**
3661  * Returns the zero terminated table of supported video resolutions.
3662  *
3663  * @ingroup media_parameters
3664 **/
3665 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
3666         return supported_resolutions;
3667 }
3668
3669 static MSVideoSize video_size_get_by_name(const char *name){
3670         MSVideoSizeDef *pdef=supported_resolutions;
3671         MSVideoSize null_vsize={0,0};
3672         for(;pdef->name!=NULL;pdef++){
3673                 if (strcasecmp(name,pdef->name)==0){
3674                         return pdef->vsize;
3675                 }
3676         }
3677         ms_warning("Video resolution %s is not supported in linphone.",name);
3678         return null_vsize;
3679 }
3680
3681 static const char *video_size_get_name(MSVideoSize vsize){
3682         MSVideoSizeDef *pdef=supported_resolutions;
3683         for(;pdef->name!=NULL;pdef++){
3684                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
3685                         return pdef->name;
3686                 }
3687         }
3688         return NULL;
3689 }
3690
3691 static bool_t video_size_supported(MSVideoSize vsize){
3692         if (video_size_get_name(vsize)) return TRUE;
3693         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
3694         return FALSE;
3695 }
3696
3697 /**
3698  * Sets the preferred video size.
3699  *
3700  * @ingroup media_parameters
3701  * This applies only to the stream that is captured and sent to the remote party,
3702  * since we accept all standard video size on the receive path.
3703 **/
3704 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
3705         if (video_size_supported(vsize)){
3706                 MSVideoSize oldvsize=lc->video_conf.vsize;
3707                 lc->video_conf.vsize=vsize;
3708                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3709                         toggle_video_preview(lc,FALSE);
3710                         toggle_video_preview(lc,TRUE);
3711                 }
3712                 if ( linphone_core_ready(lc))
3713                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3714         }
3715 }
3716
3717 /**
3718  * Sets the preferred video size by its name.
3719  *
3720  * @ingroup media_parameters
3721  * This is identical to linphone_core_set_preferred_video_size() except
3722  * that it takes the name of the video resolution as input.
3723  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3724 **/
3725 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3726         MSVideoSize vsize=video_size_get_by_name(name);
3727         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3728         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3729         else linphone_core_set_preferred_video_size(lc,default_vsize);
3730 }
3731
3732 /**
3733  * Returns the current preferred video size for sending.
3734  *
3735  * @ingroup media_parameters
3736 **/
3737 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3738         return lc->video_conf.vsize;
3739 }
3740
3741 /**
3742  * Ask the core to stream audio from and to files, instead of using the soundcard.
3743 **/
3744 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3745         lc->use_files=yesno;
3746 }
3747
3748 /**
3749  * Sets a wav file to be played when putting somebody on hold,
3750  * or when files are used instead of soundcards (see linphone_core_use_files()).
3751  *
3752  * The file must be a 16 bit linear wav file.
3753 **/
3754 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3755         LinphoneCall *call=linphone_core_get_current_call(lc);
3756         if (lc->play_file!=NULL){
3757                 ms_free(lc->play_file);
3758                 lc->play_file=NULL;
3759         }
3760         if (file!=NULL) {
3761                 lc->play_file=ms_strdup(file);
3762                 if (call && call->audiostream && call->audiostream->ticker)
3763                         audio_stream_play(call->audiostream,file);
3764         }
3765 }
3766
3767
3768 /**
3769  * Sets a wav file where incoming stream is to be recorded,
3770  * when files are used instead of soundcards (see linphone_core_use_files()).
3771  *
3772  * The file must be a 16 bit linear wav file.
3773 **/
3774 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3775         LinphoneCall *call=linphone_core_get_current_call(lc);
3776         if (lc->rec_file!=NULL){
3777                 ms_free(lc->rec_file);
3778                 lc->rec_file=NULL;
3779         }
3780         if (file!=NULL) {
3781                 lc->rec_file=ms_strdup(file);
3782                 if (call && call->audiostream)
3783                         audio_stream_record(call->audiostream,file);
3784         }
3785 }
3786
3787
3788 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
3789         LinphoneCall *call=linphone_core_get_current_call (lc);
3790         AudioStream *stream=NULL;
3791         if (call){
3792                 stream=call->audiostream;
3793         }else if (linphone_core_is_in_conference(lc)){
3794                 stream=lc->conf_ctx.local_participant;
3795         }
3796         if (stream){
3797                 return stream->dtmfgen;
3798         }
3799         if (lc->ringstream==NULL){
3800                 float amp=0.1;
3801                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3802                 if (ringcard == NULL)
3803                         return NULL;
3804
3805                 lc->ringstream=ring_start(NULL,0,ringcard);
3806                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
3807                 lc->dmfs_playing_start_time=time(NULL);
3808         }else{
3809                 if (lc->dmfs_playing_start_time!=0)
3810                         lc->dmfs_playing_start_time=time(NULL);
3811         }
3812         return lc->ringstream->gendtmf;
3813 }
3814
3815 /**
3816  * @ingroup media_parameters
3817  * Plays a dtmf sound to the local user.
3818  * @param lc #LinphoneCore
3819  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
3820  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
3821 **/
3822 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
3823         MSFilter *f=get_dtmf_gen(lc);
3824         if (f==NULL){
3825                 ms_error("No dtmf generator at this time !");
3826                 return;
3827         }
3828
3829         if (duration_ms>0)
3830                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
3831         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
3832 }
3833
3834 /**
3835  * @ingroup media_parameters
3836  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
3837  * @param lc #LinphoneCore
3838 **/
3839 void linphone_core_play_tone(LinphoneCore *lc){
3840         MSFilter *f=get_dtmf_gen(lc);
3841         MSDtmfGenCustomTone def;
3842         if (f==NULL){
3843                 ms_error("No dtmf generator at this time !");
3844                 return;
3845         }
3846         def.duration=300;
3847         def.frequency=500;
3848         def.amplitude=1;
3849         def.interval=2000;
3850         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
3851 }
3852
3853 /**
3854  * @ingroup media_parameters
3855  *
3856  * Stops playing a dtmf started by linphone_core_play_dtmf().
3857 **/
3858 void linphone_core_stop_dtmf(LinphoneCore *lc){
3859         MSFilter *f=get_dtmf_gen(lc);
3860         if (f!=NULL)
3861                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
3862 }
3863
3864
3865
3866 /**
3867  * Retrieves the user pointer that was given to linphone_core_new()
3868  *
3869  * @ingroup initializing
3870 **/
3871 void *linphone_core_get_user_data(LinphoneCore *lc){
3872         return lc->data;
3873 }
3874
3875 int linphone_core_get_mtu(const LinphoneCore *lc){
3876         return lc->net_conf.mtu;
3877 }
3878
3879 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
3880         lc->net_conf.mtu=mtu;
3881         if (mtu>0){
3882                 if (mtu<500){
3883                         ms_error("MTU too small !");
3884                         mtu=500;
3885                 }
3886                 ms_set_mtu(mtu);
3887                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
3888         }else ms_set_mtu(0);//use mediastreamer2 default value
3889 }
3890
3891 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
3892         lc->wait_cb=cb;
3893         lc->wait_ctx=user_context;
3894 }
3895
3896 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
3897         if (lc->wait_cb){
3898                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
3899         }
3900 }
3901
3902 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
3903         if (lc->wait_cb){
3904                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
3905         }else{
3906 #ifdef WIN32
3907                 Sleep(50000);
3908 #else
3909                 usleep(50000);
3910 #endif
3911         }
3912 }
3913
3914 void linphone_core_stop_waiting(LinphoneCore *lc){
3915         if (lc->wait_cb){
3916                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
3917         }
3918 }
3919
3920 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
3921         lc->rtptf=factories;
3922 }
3923
3924 /**
3925  * Retrieve RTP statistics regarding current call.
3926  * @param local RTP statistics computed locally.
3927  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
3928  *
3929  * @note Remote RTP statistics is not implemented yet.
3930  *
3931  * @returns 0 or -1 if no call is running.
3932 **/
3933
3934 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
3935         LinphoneCall *call=linphone_core_get_current_call (lc);
3936         if (call!=NULL){
3937                 if (call->audiostream!=NULL){
3938                         memset(remote,0,sizeof(*remote));
3939                         audio_stream_get_local_rtp_stats (call->audiostream,local);
3940                         return 0;
3941                 }
3942         }
3943         return -1;
3944 }
3945
3946 void net_config_uninit(LinphoneCore *lc)
3947 {
3948         net_config_t *config=&lc->net_conf;
3949
3950         if (config->stun_server!=NULL){
3951                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
3952                 ms_free(lc->net_conf.stun_server);
3953         }
3954         if (config->nat_address!=NULL){
3955                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
3956                 ms_free(lc->net_conf.nat_address);
3957         }
3958         if (lc->net_conf.nat_address_ip !=NULL){
3959                 ms_free(lc->net_conf.nat_address_ip);
3960         }
3961         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
3962         lp_config_set_int(lc->config,"net","mtu",config->mtu);
3963 }
3964
3965
3966 void sip_config_uninit(LinphoneCore *lc)
3967 {
3968         MSList *elem;
3969         int i;
3970         sip_config_t *config=&lc->sip_conf;
3971
3972         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
3973         lp_config_set_string(lc->config,"sip","contact",config->contact);
3974         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
3975         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
3976         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
3977         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
3978         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
3979
3980
3981
3982
3983         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
3984                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
3985                 linphone_proxy_config_edit(cfg);        /* to unregister */
3986         }
3987
3988         for (i=0;i<20;i++){
3989                 sal_iterate(lc->sal);
3990 #ifndef WIN32
3991                 usleep(100000);
3992 #else
3993                 Sleep(100);
3994 #endif
3995         }
3996
3997         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
3998         ms_list_free(config->proxies);
3999         config->proxies=NULL;
4000
4001         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4002
4003         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4004         ms_list_free(lc->auth_info);
4005         lc->auth_info=NULL;
4006
4007         sal_uninit(lc->sal);
4008         lc->sal=NULL;
4009
4010         if (lc->sip_conf.guessed_contact)
4011                 ms_free(lc->sip_conf.guessed_contact);
4012         if (config->contact)
4013                 ms_free(config->contact);
4014
4015 }
4016
4017 void rtp_config_uninit(LinphoneCore *lc)
4018 {
4019         rtp_config_t *config=&lc->rtp_conf;
4020         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4021         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4022         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4023         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4024         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4025 }
4026
4027 void sound_config_uninit(LinphoneCore *lc)
4028 {
4029         sound_config_t *config=&lc->sound_conf;
4030         ms_free(config->cards);
4031
4032         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4033
4034         if (config->local_ring) ms_free(config->local_ring);
4035         if (config->remote_ring) ms_free(config->remote_ring);
4036         ms_snd_card_manager_destroy();
4037 }
4038
4039 void video_config_uninit(LinphoneCore *lc)
4040 {
4041         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4042         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4043         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4044         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
4045         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
4046         if (lc->video_conf.cams)
4047                 ms_free(lc->video_conf.cams);
4048 }
4049
4050 void codecs_config_uninit(LinphoneCore *lc)
4051 {
4052         PayloadType *pt;
4053         codecs_config_t *config=&lc->codecs_conf;
4054         MSList *node;
4055         char key[50];
4056         int index;
4057         index=0;
4058         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4059                 pt=(PayloadType*)(node->data);
4060                 sprintf(key,"audio_codec_%i",index);
4061                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4062                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4063                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4064                 index++;
4065         }
4066         sprintf(key,"audio_codec_%i",index);
4067         lp_config_clean_section (lc->config,key);
4068
4069         index=0;
4070         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4071                 pt=(PayloadType*)(node->data);
4072                 sprintf(key,"video_codec_%i",index);
4073                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4074                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4075                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4076                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4077                 index++;
4078         }
4079         sprintf(key,"video_codec_%i",index);
4080         lp_config_clean_section (lc->config,key);
4081
4082         ms_list_free(lc->codecs_conf.audio_codecs);
4083         ms_list_free(lc->codecs_conf.video_codecs);
4084 }
4085
4086 void ui_config_uninit(LinphoneCore* lc)
4087 {
4088         if (lc->friends){
4089                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4090                 ms_list_free(lc->friends);
4091                 lc->friends=NULL;
4092         }
4093 }
4094
4095 /**
4096  * Returns the LpConfig object used to manage the storage (config) file.
4097  *
4098  * @ingroup misc
4099  * The application can use the LpConfig object to insert its own private
4100  * sections and pairs of key=value in the configuration file.
4101  *
4102 **/
4103 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4104         return lc->config;
4105 }
4106
4107 static void linphone_core_uninit(LinphoneCore *lc)
4108 {
4109         linphone_core_free_hooks(lc);
4110         while(lc->calls)
4111         {
4112                 LinphoneCall *the_call = lc->calls->data;
4113                 linphone_core_terminate_call(lc,the_call);
4114                 linphone_core_iterate(lc);
4115 #ifdef WIN32
4116                 Sleep(50000);
4117 #else
4118                 usleep(50000);
4119 #endif
4120         }
4121         if (lc->friends)
4122                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4123         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4124 #ifdef VIDEO_ENABLED
4125         if (lc->previewstream!=NULL){
4126                 video_preview_stop(lc->previewstream);
4127                 lc->previewstream=NULL;
4128         }
4129 #endif
4130         ms_event_queue_destroy(lc->msevq);
4131         lc->msevq=NULL;
4132         /* save all config */
4133         net_config_uninit(lc);
4134         rtp_config_uninit(lc);
4135         if (lc->ringstream) ring_stop(lc->ringstream);
4136         sound_config_uninit(lc);
4137         video_config_uninit(lc);
4138         codecs_config_uninit(lc);
4139         ui_config_uninit(lc);
4140         sip_config_uninit(lc);
4141         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4142         lp_config_destroy(lc->config);
4143         lc->config = NULL; /* Mark the config as NULL to block further calls */
4144         sip_setup_unregister_all();
4145
4146         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4147         lc->call_logs=ms_list_free(lc->call_logs);
4148
4149         linphone_core_free_payload_types(lc);
4150         ortp_exit();
4151         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4152 #ifdef TUNNEL_ENABLED
4153         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4154 #endif
4155 }
4156
4157 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4158         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4159         // second get the list of available proxies
4160         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4161         for(;elem!=NULL;elem=elem->next){
4162                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4163                 if (linphone_proxy_config_register_enabled(cfg) ) {
4164                         if (!isReachable) {
4165                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4166                         }else{
4167                                 cfg->commit=TRUE;
4168                         }
4169                 }
4170         }
4171         lc->netup_time=curtime;
4172         lc->network_reachable=isReachable;
4173         if(!isReachable) {
4174                 sal_unlisten_ports (lc->sal);
4175         } else {
4176                 apply_transports(lc);
4177         }
4178
4179 }
4180
4181 void linphone_core_refresh_registers(LinphoneCore* lc) {
4182         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4183         for(;elem!=NULL;elem=elem->next){
4184                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4185                 if (linphone_proxy_config_register_enabled(cfg) ) {
4186                         linphone_proxy_config_refresh_register(cfg);
4187                 }
4188         }
4189 }
4190
4191 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4192         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4193         for(;elem!=NULL;elem=elem->next){
4194                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4195                 if (linphone_proxy_config_register_enabled(cfg) ) {
4196                         linphone_proxy_config_edit(cfg);
4197                         linphone_proxy_config_done(cfg);
4198                 }
4199         }
4200 }
4201
4202 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4203         //first disable automatic mode
4204         if (lc->auto_net_state_mon) {
4205                 ms_message("Disabling automatic network state monitoring");
4206                 lc->auto_net_state_mon=FALSE;
4207         }
4208         set_network_reachable(lc,isReachable, ms_time(NULL));
4209 }
4210
4211 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
4212         return lc->network_reachable;
4213 }
4214 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4215         return sal_get_socket(lc->sal);
4216 }
4217 /**
4218  * Destroys a LinphoneCore
4219  *
4220  * @ingroup initializing
4221 **/
4222 void linphone_core_destroy(LinphoneCore *lc){
4223         linphone_core_uninit(lc);
4224         ms_free(lc);
4225 }
4226 /**
4227  * Get the number of Call
4228  *
4229  * @ingroup call_control
4230 **/
4231 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4232         return  ms_list_size(lc->calls);;
4233 }
4234
4235 /**
4236  * Check if we do not have exceed the number of simultaneous call
4237  *
4238  * @ingroup call_control
4239 **/
4240 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4241 {
4242         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4243                 return TRUE;
4244         ms_message("Maximum amount of simultaneous calls reached !");
4245         return FALSE;
4246 }
4247
4248
4249 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4250 {
4251         if(linphone_core_can_we_add_call(lc))
4252         {
4253                 lc->calls = ms_list_append(lc->calls,call);
4254                 return 0;
4255         }
4256         return -1;
4257 }
4258
4259 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4260 {
4261         MSList *it;
4262         MSList *the_calls = lc->calls;
4263
4264         it=ms_list_find(the_calls,call);
4265         if (it)
4266         {
4267                 the_calls = ms_list_remove_link(the_calls,it);
4268         }
4269         else
4270         {
4271                 ms_warning("could not find the call into the list\n");
4272                 return -1;
4273         }
4274         lc->calls = the_calls;
4275         return 0;
4276 }
4277
4278 /**
4279  * Specifiies a ring back tone to be played to far end during incoming calls.
4280 **/
4281 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4282         if (lc->sound_conf.ringback_tone){
4283                 ms_free(lc->sound_conf.ringback_tone);
4284                 lc->sound_conf.ringback_tone=NULL;
4285         }
4286         if (file)
4287                 lc->sound_conf.ringback_tone=ms_strdup(file);
4288 }
4289
4290 /**
4291  * Returns the ring back tone played to far end during incoming calls.
4292 **/
4293 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4294         return lc->sound_conf.ringback_tone;
4295 }
4296
4297 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
4298         const MSList *elem;
4299         for(elem=from;elem!=NULL;elem=elem->next){
4300                 PayloadType *pt=(PayloadType*)elem->data;
4301                 if ((strcmp((char*)type, payload_type_get_mime(pt)) == 0) && (rate == -1 || rate==pt->clock_rate)) {
4302                         return pt;
4303                 }
4304         }
4305         return NULL;
4306 }
4307
4308 /**
4309  * Get payload type  from mime type and clock rate
4310  * @ingroup media_parameters
4311  * This function searches in audio and video codecs for the given payload type name and clockrate.
4312  * Returns NULL if not found.
4313  */
4314 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
4315         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
4316         if (result)  {
4317                 return result;
4318         } else {
4319                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
4320                 if (result) {
4321                         return result;
4322                 }
4323         }
4324         /*not found*/
4325         return NULL;
4326 }
4327
4328 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4329         switch(gs){
4330                 case LinphoneGlobalOff:
4331                         return "LinphoneGlobalOff";
4332                 break;
4333                 case LinphoneGlobalOn:
4334                         return "LinphoneGlobalOn";
4335                 break;
4336                 case LinphoneGlobalStartup:
4337                         return "LinphoneGlobalStartup";
4338                 break;
4339                 case LinphoneGlobalShutdown:
4340                         return "LinphoneGlobalShutdown";
4341                 break;
4342         }
4343         return NULL;
4344 }
4345
4346 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4347         return lc->state;
4348 }
4349
4350 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4351         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4352         linphone_core_init_default_params(lc, p);
4353         return p;
4354 }
4355
4356 const char *linphone_reason_to_string(LinphoneReason err){
4357         switch(err){
4358                 case LinphoneReasonNone:
4359                         return "No error";
4360                 case LinphoneReasonNoResponse:
4361                         return "No response";
4362                 case LinphoneReasonBadCredentials:
4363                         return "Bad credentials";
4364                 case LinphoneReasonDeclined:
4365                         return "Call declined";
4366                 case LinphoneReasonNotFound:
4367                         return "User not found";
4368         }
4369         return "unknown error";
4370 }
4371
4372 const char *linphone_error_to_string(LinphoneReason err){
4373         return linphone_reason_to_string(err);
4374 }
4375 /**
4376  * Enables signaling keep alive
4377  */
4378 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4379         if (enable > 0) {
4380                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4381         } else {
4382                 sal_set_keepalive_period(lc->sal,0);
4383         }
4384 }
4385 /**
4386  * Is signaling keep alive enabled
4387  */
4388 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4389         return sal_get_keepalive_period(lc->sal) > 0;
4390 }
4391
4392 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4393         get_dtmf_gen(lc); /*make sure ring stream is started*/
4394         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4395 }
4396
4397 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4398         if (lc->ringstream) ring_stop(lc->ringstream);
4399         lc->ringstream=NULL;
4400 }
4401
4402 int linphone_core_get_max_calls(LinphoneCore *lc) {
4403         return lc->max_calls;
4404 }
4405 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4406         lc->max_calls=max;
4407 }
4408
4409 typedef struct Hook{
4410         LinphoneCoreIterateHook fun;
4411         void *data;
4412 }Hook;
4413
4414 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4415         Hook *h=ms_new(Hook,1);
4416         h->fun=hook;
4417         h->data=hook_data;
4418         return h;
4419 }
4420
4421 static void hook_invoke(Hook *h){
4422         h->fun(h->data);
4423 }
4424
4425 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4426         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4427 }
4428
4429 static void linphone_core_run_hooks(LinphoneCore *lc){
4430         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4431 }
4432
4433 static void linphone_core_free_hooks(LinphoneCore *lc){
4434         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4435         ms_list_free(lc->hooks);
4436         lc->hooks=NULL;
4437 }
4438
4439 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4440         MSList *elem;
4441         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4442                 Hook *h=(Hook*)elem->data;
4443                 if (h->fun==hook && h->data==hook_data){
4444                         ms_list_remove_link(lc->hooks,elem);
4445                         ms_free(h);
4446                         return;
4447                 }
4448         }
4449         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4450 }
4451
4452 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
4453         if (lc->zrtp_secrets_cache != NULL) {
4454                 ms_free(lc->zrtp_secrets_cache);
4455         }
4456         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
4457 }
4458
4459 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
4460         if (uri == NULL) return NULL;
4461         MSList *calls=lc->calls;
4462         while(calls) {
4463                 const LinphoneCall *c=(LinphoneCall*)calls->data;
4464                 calls=calls->next;
4465                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
4466                 char *current_uri=linphone_address_as_string_uri_only(address);
4467                 if (strcmp(uri,current_uri)==0) {
4468                         ms_free(current_uri);
4469                         return c;
4470                 } else {
4471                         ms_free(current_uri);
4472                 }
4473         }
4474         return NULL;
4475 }
4476
4477
4478 /**
4479  * Check if a call will need the sound resources.
4480  *
4481  * @ingroup call_control
4482  * @param lc The LinphoneCore
4483 **/
4484 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
4485         MSList *calls=lc->calls;
4486         while(calls) {
4487                 LinphoneCall *c=(LinphoneCall*)calls->data;
4488                 calls=calls->next;
4489                 switch (c->state) {
4490                         case LinphoneCallOutgoingInit:
4491                         case LinphoneCallOutgoingProgress:
4492                         case LinphoneCallOutgoingRinging:
4493                         case LinphoneCallOutgoingEarlyMedia:
4494                         case LinphoneCallConnected:
4495                         case LinphoneCallRefered:
4496                         case LinphoneCallIncomingEarlyMedia:
4497                         case LinphoneCallUpdated:
4498                                 return TRUE;
4499                         default:
4500                                 break;
4501                 }
4502         }
4503         return FALSE;
4504 }
4505
4506 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
4507         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
4508 }
4509
4510 /**
4511  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
4512 **/
4513 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
4514         switch(menc){
4515                 case LinphoneMediaEncryptionSRTP:
4516                         return ortp_srtp_supported();
4517                 case LinphoneMediaEncryptionZRTP:
4518                         return ortp_zrtp_available();
4519                 case LinphoneMediaEncryptionNone:
4520                         return TRUE;
4521         }
4522         return FALSE;
4523 }
4524
4525 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
4526         const char *type="none";
4527         int ret=0;
4528         if (menc == LinphoneMediaEncryptionSRTP){
4529                 if (!ortp_srtp_supported()){
4530                         ms_warning("SRTP not supported by library.");
4531                         type="none";
4532                         ret=-1;
4533                 }else type="srtp";
4534         }else if (menc == LinphoneMediaEncryptionZRTP){
4535                 if (!ortp_zrtp_available()){
4536                         ms_warning("ZRTP not supported by library.");
4537                         type="none";
4538                         ret=-1;
4539                 }else type="zrtp";
4540         }
4541         lp_config_set_string(lc->config,"sip","media_encryption",type);
4542         return ret;
4543 }
4544
4545 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
4546         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
4547
4548         if (menc == NULL)
4549                 return LinphoneMediaEncryptionNone;
4550         else if (strcmp(menc, "srtp")==0)
4551                 return LinphoneMediaEncryptionSRTP;
4552         else if (strcmp(menc, "zrtp")==0)
4553                 return LinphoneMediaEncryptionZRTP;
4554         else
4555                 return LinphoneMediaEncryptionNone;
4556 }
4557
4558 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
4559         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
4560 }
4561
4562 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
4563         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
4564 }
4565
4566 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
4567         params->has_video=linphone_core_video_enabled(lc);
4568         params->media_encryption=linphone_core_get_media_encryption(lc);
4569         params->in_conference=FALSE;
4570 }
4571