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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #include "linphonecore.h"
  21 #include "sipsetup.h"
  22 #include "lpconfig.h"
  23 #include "private.h"
  24
  25 #include <ortp/telephonyevents.h>
  26 #include <ortp/zrtp.h>
  27 #include "mediastreamer2/mediastream.h"
  28 #include "mediastreamer2/mseventqueue.h"
  29 #include "mediastreamer2/msvolume.h"
  30 #include "mediastreamer2/msequalizer.h"
  31 #include "mediastreamer2/dtmfgen.h"
  32
  33 #ifdef INET6
  34 #ifndef WIN32
  35 #include <netdb.h>
  36 #endif
  37 #endif
  38
  39 #ifdef HAVE_CONFIG_H
  40 #include "config.h"
  41 #endif
  42
  43 /*#define UNSTANDART_GSM_11K 1*/
  44
  45 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  46
  47 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  48 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  49 static void linphone_core_run_hooks(LinphoneCore *lc);
  50 static void linphone_core_free_hooks(LinphoneCore *lc);
  51
  52 #include "enum.h"
  53 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  54 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  55 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  56
  57 /* relative path where is stored local ring*/
  58 #define LOCAL_RING "rings/oldphone.wav"
  59 /* same for remote ring (ringback)*/
  60 #define REMOTE_RING "ringback.wav"
  61 #define HOLD_MUSIC "rings/toy-mono.wav"
  62
  63
  64 extern SalCallbacks linphone_sal_callbacks;
  65
  66 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  67 {
  68   obj->_func=func;
  69   obj->_user_data=ud;
  70 }
  71
  72 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  73         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  74         return 0;
  75 }
  76
  77
  78 /*prevent a gcc bug with %c*/
  79 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  80 #if !defined(_WIN32_WCE)
  81         return strftime(s, max, fmt, tm);
  82 #else
  83         return 0;
  84         /*FIXME*/
  85 #endif /*_WIN32_WCE*/
  86 }
  87
  88 static void set_call_log_date(LinphoneCallLog *cl, const struct tm *loctime){
  89         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",loctime);
  90 }
  91
  92 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
  93         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
  94         struct tm loctime;
  95         cl->dir=call->dir;
  96 #ifdef WIN32
  97 #if !defined(_WIN32_WCE)
  98         loctime=*localtime(&call->start_time);
  99         /*FIXME*/
 100 #endif /*_WIN32_WCE*/
 101 #else
 102         localtime_r(&call->start_time,&loctime);
 103 #endif
 104         set_call_log_date(cl,&loctime);
 105         cl->from=from;
 106         cl->to=to;
 107     cl->status=LinphoneCallAborted; /*default status*/
 108         return cl;
 109 }
 110
 111 void call_logs_write_to_config_file(LinphoneCore *lc){
 112         MSList *elem;
 113         char logsection[32];
 114         int i;
 115         char *tmp;
 116         LpConfig *cfg=lc->config;
 117
 118         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 119
 120         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 121                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 122                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 123                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 124                 lp_config_set_int(cfg,logsection,"status",cl->status);
 125                 tmp=linphone_address_as_string(cl->from);
 126                 lp_config_set_string(cfg,logsection,"from",tmp);
 127                 ms_free(tmp);
 128                 tmp=linphone_address_as_string(cl->to);
 129                 lp_config_set_string(cfg,logsection,"to",tmp);
 130                 ms_free(tmp);
 131                 lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 132                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 133                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 134                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 135         lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 136         }
 137         for(;i<lc->max_call_logs;++i){
 138                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 139                 lp_config_clean_section(cfg,logsection);
 140         }
 141 }
 142
 143 static void call_logs_read_from_config_file(LinphoneCore *lc){
 144         char logsection[32];
 145         int i;
 146         const char *tmp;
 147         LpConfig *cfg=lc->config;
 148         for(i=0;;++i){
 149                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 150                 if (lp_config_has_section(cfg,logsection)){
 151                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 152                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 153                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 154                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 155                         if (tmp) cl->from=linphone_address_new(tmp);
 156                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 157                         if (tmp) cl->to=linphone_address_new(tmp);
 158                         tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 159                         if (tmp) strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 160                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 161                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 162                         if (tmp) cl->refkey=ms_strdup(tmp);
 163                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 164             cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 165                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 166                 }else break;
 167         }
 168 }
 169
 170
 171
 172 /**
 173  * @addtogroup call_logs
 174  * @{
 175 **/
 176
 177 /**
 178  * Returns a human readable string describing the call.
 179  *
 180  * @note: the returned char* must be freed by the application (use ms_free()).
 181 **/
 182 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 183         char *status;
 184         char *tmp;
 185         char *from=linphone_address_as_string (cl->from);
 186         char *to=linphone_address_as_string (cl->to);
 187         switch(cl->status){
 188                 case LinphoneCallAborted:
 189                         status=_("aborted");
 190                         break;
 191                 case LinphoneCallSuccess:
 192                         status=_("completed");
 193                         break;
 194                 case LinphoneCallMissed:
 195                         status=_("missed");
 196                         break;
 197                 default:
 198                         status="unknown";
 199         }
 200         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 201                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 202                         cl->start_date,
 203                         from,
 204                         to,
 205                         status,
 206                         cl->duration/60,
 207                         cl->duration%60);
 208         ms_free(from);
 209         ms_free(to);
 210         return tmp;
 211 }
 212
 213 /**
 214  * Returns RTP statistics computed locally regarding the call.
 215  *
 216 **/
 217 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 218         return &cl->local_stats;
 219 }
 220
 221 /**
 222  * Returns RTP statistics computed by remote end and sent back via RTCP.
 223  *
 224  * @note Not implemented yet.
 225 **/
 226 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 227         return &cl->remote_stats;
 228 }
 229
 230 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 231         cl->user_pointer=up;
 232 }
 233
 234 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 235         return cl->user_pointer;
 236 }
 237
 238
 239
 240 /**
 241  * Associate a persistent reference key to the call log.
 242  *
 243  * The reference key can be for example an id to an external database.
 244  * It is stored in the config file, thus can survive to process exits/restarts.
 245  *
 246 **/
 247 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 248         if (cl->refkey!=NULL){
 249                 ms_free(cl->refkey);
 250                 cl->refkey=NULL;
 251         }
 252         if (refkey) cl->refkey=ms_strdup(refkey);
 253 }
 254
 255 /**
 256  * Get the persistent reference key associated to the call log.
 257  *
 258  * The reference key can be for example an id to an external database.
 259  * It is stored in the config file, thus can survive to process exits/restarts.
 260  *
 261 **/
 262 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 263         return cl->refkey;
 264 }
 265
 266 /** @} */
 267
 268 void linphone_call_log_destroy(LinphoneCallLog *cl){
 269         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 270         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 271         if (cl->refkey!=NULL) ms_free(cl->refkey);
 272         ms_free(cl);
 273 }
 274
 275 /**
 276  * Returns TRUE if the LinphoneCall asked to autoanswer
 277  *
 278 **/
 279 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 280         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 281         if(call)
 282                 return sal_call_autoanswer_asked(call->op);
 283         else
 284                 return FALSE;
 285 }
 286
 287 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 288         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 289         if (call)  return linphone_call_get_duration(call);
 290         return -1;
 291 }
 292
 293 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 294         LinphoneCall *call=linphone_core_get_current_call(lc);
 295         if (call==NULL) return NULL;
 296         return linphone_call_get_remote_address(call);
 297 }
 298
 299 /**
 300  * Enable logs in supplied FILE*.
 301  *
 302  * @ingroup misc
 303  *
 304  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 305  *
 306 **/
 307 void linphone_core_enable_logs(FILE *file){
 308         if (file==NULL) file=stdout;
 309         ortp_set_log_file(file);
 310         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 311 }
 312
 313 /**
 314  * Enable logs through the user's supplied log callback.
 315  *
 316  * @ingroup misc
 317  *
 318  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 319  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 320  *
 321 **/
 322 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 323         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 324         ortp_set_log_handler(logfunc);
 325 }
 326
 327 /**
 328  * Entirely disable logging.
 329  *
 330  * @ingroup misc
 331 **/
 332 void linphone_core_disable_logs(){
 333         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 334 }
 335
 336
 337 static void net_config_read (LinphoneCore *lc)
 338 {
 339         int tmp;
 340         const char *tmpstr;
 341         LpConfig *config=lc->config;
 342
 343         lc->net_conf.nat_address_ip = NULL;
 344         tmp=lp_config_get_int(config,"net","download_bw",0);
 345         linphone_core_set_download_bandwidth(lc,tmp);
 346         tmp=lp_config_get_int(config,"net","upload_bw",0);
 347         linphone_core_set_upload_bandwidth(lc,tmp);
 348         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 349         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 350         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 351         linphone_core_set_nat_address(lc,tmpstr);
 352         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 353         linphone_core_set_firewall_policy(lc,tmp);
 354         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 355         lc->net_conf.nat_sdp_only=tmp;
 356         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 357         linphone_core_set_mtu(lc,tmp);
 358         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 359         linphone_core_set_download_ptime(lc,tmp);
 360
 361 }
 362
 363 static void build_sound_devices_table(LinphoneCore *lc){
 364         const char **devices;
 365         const char **old;
 366         int ndev;
 367         int i;
 368         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 369         ndev=ms_list_size(elem);
 370         devices=ms_malloc((ndev+1)*sizeof(const char *));
 371         for (i=0;elem!=NULL;elem=elem->next,i++){
 372                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 373         }
 374         devices[ndev]=NULL;
 375         old=lc->sound_conf.cards;
 376         lc->sound_conf.cards=devices;
 377         if (old!=NULL) ms_free(old);
 378 }
 379
 380 static void sound_config_read(LinphoneCore *lc)
 381 {
 382         int tmp;
 383         const char *tmpbuf;
 384         const char *devid;
 385         float gain=0;
 386 #ifdef __linux
 387         /*alsadev let the user use custom alsa device within linphone*/
 388         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 389         if (devid){
 390                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 391                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 392         }
 393         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 394         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 395 #endif
 396         /* retrieve all sound devices */
 397         build_sound_devices_table(lc);
 398
 399         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 400         linphone_core_set_playback_device(lc,devid);
 401
 402         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 403         linphone_core_set_ringer_device(lc,devid);
 404
 405         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 406         linphone_core_set_capture_device(lc,devid);
 407
 408 /*
 409         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 410         linphone_core_set_play_level(lc,tmp);
 411         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 412         linphone_core_set_ring_level(lc,tmp);
 413         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 414         linphone_core_set_rec_level(lc,tmp);
 415         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 416         linphone_core_set_sound_source(lc,tmpbuf[0]);
 417 */
 418
 419         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 420         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 421         if (ortp_file_exist(tmpbuf)==-1) {
 422                 ms_warning("%s does not exist",tmpbuf);
 423                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 424         }
 425         if (strstr(tmpbuf,".wav")==NULL){
 426                 /* it currently uses old sound files, so replace them */
 427                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 428         }
 429         linphone_core_set_ring(lc,tmpbuf);
 430
 431         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 432         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 433         if (ortp_file_exist(tmpbuf)==-1){
 434                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 435         }
 436         if (strstr(tmpbuf,".wav")==NULL){
 437                 /* it currently uses old sound files, so replace them */
 438                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 439         }
 440         linphone_core_set_ringback(lc,tmpbuf);
 441
 442         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 443         check_sound_device(lc);
 444         lc->sound_conf.latency=0;
 445 #ifndef __ios
 446     tmp=TRUE;
 447 #else
 448     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 449 #endif
 450     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 451         linphone_core_enable_echo_cancellation(lc,tmp);
 452         linphone_core_enable_echo_limiter(lc,
 453                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 454         linphone_core_enable_agc(lc,
 455                 lp_config_get_int(lc->config,"sound","agc",0));
 456
 457         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 458         linphone_core_set_playback_gain_db (lc,gain);
 459
 460         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 461 }
 462
 463 static void sip_config_read(LinphoneCore *lc)
 464 {
 465         char *contact;
 466         const char *tmpstr;
 467         LCSipTransports tr;
 468         int i,tmp;
 469         int ipv6;
 470
 471         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 472         linphone_core_set_use_info_for_dtmf(lc,tmp);
 473
 474         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 475                 sal_use_session_timers(lc->sal,200);
 476         }
 477
 478         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 479         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 480         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 481         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 482
 483         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 484         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 485
 486         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 487         if (ipv6==-1){
 488                 ipv6=0;
 489         }
 490         linphone_core_enable_ipv6(lc,ipv6);
 491         memset(&tr,0,sizeof(tr));
 492         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)) {
 493                 tr.udp_port=(0xDFF&+random())+1024;
 494         } else {
 495                 tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",5060);
 496         }
 497         if (lp_config_get_int(lc->config,"sip","sip_tcp_random_port",0)) {
 498                 tr.tcp_port=(0xDFF&+random())+1024;
 499         } else {
 500                 tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 501         }
 502         if (lp_config_get_int(lc->config,"sip","sip_tls_random_port",0)) {
 503                 tr.tls_port=(0xDFF&+random())+1024;
 504         } else {
 505                 tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 506         }
 507
 508 #ifdef __linux
 509         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 510 #else
 511         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 512 #endif
 513         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 514         /*start listening on ports*/
 515         linphone_core_set_sip_transports(lc,&tr);
 516
 517         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 518         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 519                 const char *hostname=NULL;
 520                 const char *username=NULL;
 521 #ifdef HAVE_GETENV
 522                 hostname=getenv("HOST");
 523                 username=getenv("USER");
 524                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 525 #endif /*HAVE_GETENV*/
 526                 if (hostname==NULL)
 527                         hostname="unknown-host";
 528                 if (username==NULL){
 529                         username="toto";
 530                 }
 531                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 532                 linphone_core_set_primary_contact(lc,contact);
 533                 ms_free(contact);
 534         }
 535
 536         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 537         linphone_core_set_guess_hostname(lc,tmp);
 538
 539
 540         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",15);
 541         linphone_core_set_inc_timeout(lc,tmp);
 542
 543         /* get proxies config */
 544         for(i=0;; i++){
 545                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 546                 if (cfg!=NULL){
 547                         linphone_core_add_proxy_config(lc,cfg);
 548                 }else{
 549                         break;
 550                 }
 551         }
 552         /* get the default proxy */
 553         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 554         linphone_core_set_default_proxy_index(lc,tmp);
 555
 556         /* read authentication information */
 557         for(i=0;; i++){
 558                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 559                 if (ai!=NULL){
 560                         linphone_core_add_auth_info(lc,ai);
 561                         linphone_auth_info_destroy(ai);
 562                 }else{
 563                         break;
 564                 }
 565         }
 566         /*this is to filter out unsupported encryption schemes*/
 567         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 568
 569         /*for tuning or test*/
 570         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 571         lc->sip_conf.register_only_when_network_is_up=
 572                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 573         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 574         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 575         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 576         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 577         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 578         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 579 }
 580
 581 static void rtp_config_read(LinphoneCore *lc)
 582 {
 583         int port;
 584         int jitt_comp;
 585         int nortp_timeout;
 586         bool_t rtp_no_xmit_on_audio_mute;
 587
 588         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 589         linphone_core_set_audio_port(lc,port);
 590
 591         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 592         if (port==0) port=9078;
 593         linphone_core_set_video_port(lc,port);
 594
 595         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 596         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 597         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 598         if (jitt_comp==0) jitt_comp=60;
 599         lc->rtp_conf.video_jitt_comp=jitt_comp;
 600         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 601         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 602         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 603         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 604 }
 605
 606 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 607         PayloadType *candidate=NULL;
 608         int i;
 609         PayloadType *it;
 610         for(i=0;i<127;++i){
 611                 it=rtp_profile_get_payload(prof,i);
 612                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 613                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 614                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 615                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 616                                 /*exact match*/
 617                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 618                                 return it;
 619                         }else {
 620                                 if (candidate){
 621                                         if (it->recv_fmtp==NULL) candidate=it;
 622                                 }else candidate=it;
 623                         }
 624                 }
 625         }
 626         if (candidate && recv_fmtp){
 627                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 628         }
 629         return candidate;
 630 }
 631
 632 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 633         char codeckey[50];
 634         const char *mime,*fmtp;
 635         int rate,enabled;
 636         PayloadType *pt;
 637
 638         *ret=NULL;
 639         snprintf(codeckey,50,"%s_%i",type,index);
 640         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 641         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 642
 643         rate=lp_config_get_int(config,codeckey,"rate",8000);
 644         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 645         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 646         pt=find_payload(&av_profile,mime,rate,fmtp);
 647         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 648         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 649         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 650                         mime,rate,fmtp ? fmtp : "");
 651         *ret=pt;
 652         return TRUE;
 653 }
 654
 655 #define RANK_END 10000
 656 static const char *codec_pref_order[]={
 657         "SILK",
 658         "speex",
 659         "iLBC",
 660         "amr",
 661         "gsm",
 662         "pcmu",
 663         "pcma",
 664         "VP8",
 665         "H264",
 666         "MP4V-ES",
 667         "H263-1998",
 668         NULL,
 669 };
 670
 671 static int find_codec_rank(const char *mime){
 672         int i;
 673         for(i=0;codec_pref_order[i]!=NULL;++i){
 674                 if (strcasecmp(codec_pref_order[i],mime)==0)
 675                         return i;
 676         }
 677         return RANK_END;
 678 }
 679
 680 static int codec_compare(const PayloadType *a, const PayloadType *b){
 681         int ra,rb;
 682         ra=find_codec_rank(a->mime_type);
 683         rb=find_codec_rank(b->mime_type);
 684         if (ra>rb) return 1;
 685         if (ra<rb) return -1;
 686         return 0;
 687 }
 688
 689 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 690         int i;
 691         for(i=0;i<127;++i){
 692                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 693                 if (pt){
 694                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 695                                 pt=NULL;
 696                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 697                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 698                                 pt=NULL;
 699                         }
 700                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 701                                 if (ms_list_find(l,pt)==NULL){
 702                                         /*unranked codecs are disabled by default*/
 703                                         if (find_codec_rank(pt->mime_type)!=RANK_END){
 704                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 705                                         }
 706                                         ms_message("Adding new codec %s/%i with fmtp %s",
 707                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 708                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 709                                 }
 710                         }
 711                 }
 712         }
 713         return l;
 714 }
 715
 716 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 717         MSList *elem;
 718         for (elem=l;elem!=NULL;elem=elem->next){
 719                 PayloadType *ept=(PayloadType*)elem->data;
 720                 if (pt==ept)
 721                         return l;
 722         }
 723         l=ms_list_append(l,pt);
 724         return l;
 725 }
 726
 727 static void codecs_config_read(LinphoneCore *lc)
 728 {
 729         int i;
 730         PayloadType *pt;
 731         MSList *audio_codecs=NULL;
 732         MSList *video_codecs=NULL;
 733         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 734                 if (pt){
 735                         if (!ms_filter_codec_supported(pt->mime_type)){
 736                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 737                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 738                 }
 739         }
 740         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 741         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 742                 if (pt){
 743                         if (!ms_filter_codec_supported(pt->mime_type)){
 744                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 745                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 746                 }
 747         }
 748         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 749         linphone_core_set_audio_codecs(lc,audio_codecs);
 750         linphone_core_set_video_codecs(lc,video_codecs);
 751         linphone_core_update_allocated_audio_bandwidth(lc);
 752 }
 753
 754 static void build_video_devices_table(LinphoneCore *lc){
 755         const MSList *elem;
 756         int i;
 757         int ndev;
 758         const char **devices;
 759         if (lc->video_conf.cams)
 760                 ms_free(lc->video_conf.cams);
 761         /* retrieve all video devices */
 762         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 763         ndev=ms_list_size(elem);
 764         devices=ms_malloc((ndev+1)*sizeof(const char *));
 765         for (i=0;elem!=NULL;elem=elem->next,i++){
 766                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 767         }
 768         devices[ndev]=NULL;
 769         lc->video_conf.cams=devices;
 770 }
 771
 772 static void video_config_read(LinphoneCore *lc){
 773 #ifdef VIDEO_ENABLED
 774         int capture, display, self_view;
 775 #endif
 776         const char *str;
 777 #ifdef VIDEO_ENABLED
 778         LinphoneVideoPolicy vpol;
 779 #endif
 780         build_video_devices_table(lc);
 781
 782         str=lp_config_get_string(lc->config,"video","device",NULL);
 783         if (str && str[0]==0) str=NULL;
 784         linphone_core_set_video_device(lc,str);
 785
 786         linphone_core_set_preferred_video_size_by_name(lc,
 787                 lp_config_get_string(lc->config,"video","size","cif"));
 788
 789 #ifdef VIDEO_ENABLED
 790         capture=lp_config_get_int(lc->config,"video","capture",1);
 791         display=lp_config_get_int(lc->config,"video","display",1);
 792         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 793         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 794         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 795         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 796         if(lc->video_conf.displaytype)
 797                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 798
 799         linphone_core_enable_video(lc,capture,display);
 800         linphone_core_enable_self_view(lc,self_view);
 801         linphone_core_set_video_policy(lc,&vpol);
 802 #endif
 803 }
 804
 805 static void ui_config_read(LinphoneCore *lc)
 806 {
 807         LinphoneFriend *lf;
 808         int i;
 809         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 810                 linphone_core_add_friend(lc,lf);
 811         }
 812         call_logs_read_from_config_file(lc);
 813 }
 814
 815 /*
 816 static void autoreplier_config_init(LinphoneCore *lc)
 817 {
 818         autoreplier_config_t *config=&lc->autoreplier_conf;
 819         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 820         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 821         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 822         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 823         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 824         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 825 }
 826 */
 827
 828 bool_t linphone_core_tunnel_available(void){
 829 #ifdef TUNNEL_ENABLED
 830         return TRUE;
 831 #else
 832         return FALSE;
 833 #endif
 834 }
 835
 836 /**
 837  * Enable adaptive rate control (experimental feature, audio-only).
 838  *
 839  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 840  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 841  * available bandwidth.
 842 **/
 843 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 844         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 845 }
 846
 847 /**
 848  * Returns whether adaptive rate control is enabled.
 849  *
 850  * See linphone_core_enable_adaptive_rate_control().
 851 **/
 852 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 853         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 854 }
 855
 856 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 857         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 858 }
 859
 860 /**
 861  * Sets maximum available download bandwidth
 862  *
 863  * @ingroup media_parameters
 864  *
 865  * This is IP bandwidth, in kbit/s.
 866  * This information is used signaled to other parties during
 867  * calls (within SDP messages) so that the remote end can have
 868  * sufficient knowledge to properly configure its audio & video
 869  * codec output bitrate to not overflow available bandwidth.
 870  *
 871  * @param lc the LinphoneCore object
 872  * @param bw the bandwidth in kbits/s, 0 for infinite
 873  */
 874 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 875         lc->net_conf.download_bw=bw;
 876         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 877 }
 878
 879 /**
 880  * Sets maximum available upload bandwidth
 881  *
 882  * @ingroup media_parameters
 883  *
 884  * This is IP bandwidth, in kbit/s.
 885  * This information is used by liblinphone together with remote
 886  * side available bandwidth signaled in SDP messages to properly
 887  * configure audio & video codec's output bitrate.
 888  *
 889  * @param lc the LinphoneCore object
 890  * @param bw the bandwidth in kbits/s, 0 for infinite
 891  */
 892 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 893         lc->net_conf.upload_bw=bw;
 894         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 895 }
 896
 897 /**
 898  * Retrieve the maximum available download bandwidth.
 899  *
 900  * @ingroup media_parameters
 901  *
 902  * This value was set by linphone_core_set_download_bandwidth().
 903  *
 904 **/
 905 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 906         return lc->net_conf.download_bw;
 907 }
 908
 909 /**
 910  * Retrieve the maximum available upload bandwidth.
 911  *
 912  * @ingroup media_parameters
 913  *
 914  * This value was set by linphone_core_set_upload_bandwidth().
 915  *
 916 **/
 917 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 918         return lc->net_conf.upload_bw;
 919 }
 920 /**
 921  * Set audio packetization time linphone expects to receive from peer
 922  */
 923 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 924         lc->net_conf.down_ptime=ptime;
 925 }
 926
 927 /**
 928  * Get audio packetization time linphone expects to receive from peer
 929  */
 930 int linphone_core_get_download_ptime(LinphoneCore *lc) {
 931         return lc->net_conf.down_ptime;
 932 }
 933
 934 /**
 935  * Set audio packetization time linphone will send (in absence of requirement from peer)
 936  * A value of 0 stands for the current codec default packetization time.
 937  *
 938 **/
 939 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
 940         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
 941 }
 942
 943 /**
 944  * Set audio packetization time linphone will send (in absence of requirement from peer)
 945  * A value of 0 stands for the current codec default packetization time.
 946  *
 947 **/
 948 int linphone_core_get_upload_ptime(LinphoneCore *lc){
 949         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
 950 }
 951
 952
 953
 954 /**
 955  * Returns liblinphone's version as a string.
 956  *
 957  * @ingroup misc
 958  *
 959 **/
 960 const char * linphone_core_get_version(void){
 961         return liblinphone_version;
 962 }
 963
 964 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
 965         PayloadType *pt;
 966         pt=payload_type_clone(const_pt);
 967         if (number==-1){
 968                 /*look for a free number */
 969                 MSList *elem;
 970                 int i;
 971                 for(i=lc->dyn_pt;i<=127;++i){
 972                         bool_t already_assigned=FALSE;
 973                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
 974                                 PayloadType *it=(PayloadType*)elem->data;
 975                                 if (payload_type_get_number(it)==i){
 976                                         already_assigned=TRUE;
 977                                         break;
 978                                 }
 979                         }
 980                         if (!already_assigned){
 981                                 number=i;
 982                                 lc->dyn_pt=i+1;
 983                                 break;
 984                         }
 985                 }
 986                 if (number==-1){
 987                         ms_fatal("FIXME: too many codecs, no more free numbers.");
 988                 }
 989         }
 990         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
 991         payload_type_set_number(pt,number);
 992         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
 993         rtp_profile_set_payload(&av_profile,number,pt);
 994         lc->payload_types=ms_list_append(lc->payload_types,pt);
 995 }
 996
 997 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
 998         RtpProfile *prof=&av_profile;
 999         int i;
1000         for(i=0;i<128;++i){
1001                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1002                 if (pt){
1003                         if (payload_type_get_number(pt)!=i){
1004                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1005                         }
1006                 }
1007         }
1008 }
1009
1010 static void linphone_core_free_payload_types(LinphoneCore *lc){
1011         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1012         ms_list_free(lc->payload_types);
1013         lc->payload_types=NULL;
1014 }
1015
1016 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1017         lc->state=gstate;
1018         if (lc->vtable.global_state_changed){
1019                 lc->vtable.global_state_changed(lc,gstate,message);
1020         }
1021 }
1022 static void misc_config_read (LinphoneCore *lc) {
1023         LpConfig *config=lc->config;
1024     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1025     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1026 }
1027
1028
1029
1030
1031 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1032     const char *factory_config_path, void * userdata)
1033 {
1034         memset (lc, 0, sizeof (LinphoneCore));
1035         lc->data=userdata;
1036         lc->ringstream_autorelease=TRUE;
1037
1038         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1039
1040         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1041         ortp_init();
1042         lc->dyn_pt=96;
1043         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1044         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1045         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1046         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1047         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1048         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1049         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1050         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1051
1052 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1053         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1054          - to workaround potential packet losses
1055          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1056          */
1057         _linphone_core_configure_resolver();
1058 #endif
1059
1060 #ifdef ENABLE_NONSTANDARD_GSM
1061         {
1062                 PayloadType *pt;
1063                 pt=payload_type_clone(&payload_type_gsm);
1064                 pt->clock_rate=11025;
1065                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1066                 pt->clock_rate=22050;
1067                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1068                 payload_type_destroy(pt);
1069         }
1070 #endif
1071
1072 #ifdef VIDEO_ENABLED
1073         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1074         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1075         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1076         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1077         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1078         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1079         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1080         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1081         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1082 #endif
1083
1084         /*add all payload type for which we don't care about the number */
1085         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1086         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1087         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1088         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1089         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1090         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1091         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1092         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1093         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1094         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1095         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1096         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1097         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1098         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1099         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1100         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1101         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1102         linphone_core_handle_static_payloads(lc);
1103
1104         ms_init();
1105         /* create a mediastreamer2 event queue and set it as global */
1106         /* This allows to run event's callback in linphone_core_iterate() */
1107         lc->msevq=ms_event_queue_new();
1108         ms_set_global_event_queue(lc->msevq);
1109
1110         lc->config=lp_config_new(config_path);
1111         if (factory_config_path)
1112                 lp_config_read_file(lc->config,factory_config_path);
1113
1114         lc->sal=sal_init();
1115         sal_set_user_pointer(lc->sal,lc);
1116         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1117
1118         sip_setup_register_all();
1119         sound_config_read(lc);
1120         net_config_read(lc);
1121         rtp_config_read(lc);
1122         codecs_config_read(lc);
1123         sip_config_read(lc); /* this will start eXosip*/
1124         video_config_read(lc);
1125         //autoreplier_config_init(&lc->autoreplier_conf);
1126         lc->presence_mode=LinphoneStatusOnline;
1127         misc_config_read(lc);
1128         ui_config_read(lc);
1129 #ifdef TUNNEL_ENABLED
1130         lc->tunnel=linphone_core_tunnel_new(lc);
1131         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1132 #endif
1133         if (lc->vtable.display_status)
1134                 lc->vtable.display_status(lc,_("Ready"));
1135         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1136         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1137 }
1138
1139 /**
1140  * Instanciates a LinphoneCore object.
1141  * @ingroup initializing
1142  *
1143  * The LinphoneCore object is the primary handle for doing all phone actions.
1144  * It should be unique within your application.
1145  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1146  * @param config_path a path to a config file. If it does not exists it will be created.
1147  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1148  *             become persistent over the life of the LinphoneCore object.
1149  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1150  * @param factory_config_path a path to a read-only config file that can be used to
1151  *        to store hard-coded preference such as proxy settings or internal preferences.
1152  *        The settings in this factory file always override the one in the normal config file.
1153  *        It is OPTIONAL, use NULL if unneeded.
1154  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1155  *        callbacks) using linphone_core_get_user_data().
1156  *
1157 **/
1158 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1159                                                 const char *config_path, const char *factory_config_path, void * userdata)
1160 {
1161         LinphoneCore *core=ms_new(LinphoneCore,1);
1162         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1163         return core;
1164 }
1165
1166 /**
1167  * Returns the list of available audio codecs.
1168  *
1169  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1170  * structure holding the codec information.
1171  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1172  * (such as the order of codecs).
1173 **/
1174 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1175 {
1176         return lc->codecs_conf.audio_codecs;
1177 }
1178
1179 /**
1180  * Returns the list of available video codecs.
1181  *
1182  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1183  * structure holding the codec information.
1184  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1185  * (such as the order of codecs).
1186 **/
1187 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1188 {
1189         return lc->codecs_conf.video_codecs;
1190 }
1191
1192 /**
1193  * Sets the local "from" identity.
1194  *
1195  * @ingroup proxies
1196  * This data is used in absence of any proxy configuration or when no
1197  * default proxy configuration is set. See LinphoneProxyConfig
1198 **/
1199 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1200 {
1201         LinphoneAddress *ctt;
1202
1203         if ((ctt=linphone_address_new(contact))==0) {
1204                 ms_error("Bad contact url: %s",contact);
1205                 return -1;
1206         }
1207         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1208         lc->sip_conf.contact=ms_strdup(contact);
1209         if (lc->sip_conf.guessed_contact!=NULL){
1210                 ms_free(lc->sip_conf.guessed_contact);
1211                 lc->sip_conf.guessed_contact=NULL;
1212         }
1213         linphone_address_destroy(ctt);
1214         return 0;
1215 }
1216
1217
1218 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1219 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1220         const char *ip;
1221         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1222             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1223                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1224                 return;
1225         }
1226         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1227                 return;
1228         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1229         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1230 }
1231
1232 static void update_primary_contact(LinphoneCore *lc){
1233         char *guessed=NULL;
1234         char tmp[LINPHONE_IPADDR_SIZE];
1235
1236         LinphoneAddress *url;
1237         if (lc->sip_conf.guessed_contact!=NULL){
1238                 ms_free(lc->sip_conf.guessed_contact);
1239                 lc->sip_conf.guessed_contact=NULL;
1240         }
1241         url=linphone_address_new(lc->sip_conf.contact);
1242         if (!url){
1243                 ms_error("Could not parse identity contact !");
1244                 url=linphone_address_new("sip:unknown@unkwownhost");
1245         }
1246         linphone_core_get_local_ip(lc, NULL, tmp);
1247         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1248                 ms_warning("Local loopback network only !");
1249                 lc->sip_conf.loopback_only=TRUE;
1250         }else lc->sip_conf.loopback_only=FALSE;
1251         linphone_address_set_domain(url,tmp);
1252         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1253         guessed=linphone_address_as_string(url);
1254         lc->sip_conf.guessed_contact=guessed;
1255         linphone_address_destroy(url);
1256 }
1257
1258 /**
1259  * Returns the default identity when no proxy configuration is used.
1260  *
1261  * @ingroup proxies
1262 **/
1263 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1264         char *identity;
1265
1266         if (lc->sip_conf.guess_hostname){
1267                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1268                         update_primary_contact(lc);
1269                 }
1270                 identity=lc->sip_conf.guessed_contact;
1271         }else{
1272                 identity=lc->sip_conf.contact;
1273         }
1274         return identity;
1275 }
1276
1277 /**
1278  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1279  *
1280  * @ingroup proxies
1281 **/
1282 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1283         lc->sip_conf.guess_hostname=val;
1284 }
1285
1286 /**
1287  * Returns TRUE if hostname part of primary contact is guessed automatically.
1288  *
1289  * @ingroup proxies
1290 **/
1291 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1292         return lc->sip_conf.guess_hostname;
1293 }
1294
1295 /**
1296  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1297  * instead of const char*
1298  *
1299  * @ingroup proxies
1300 **/
1301 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1302         return linphone_address_new(linphone_core_get_primary_contact(lc));
1303 }
1304
1305 /**
1306  * Sets the list of audio codecs.
1307  *
1308  * @ingroup media_parameters
1309  * The list is taken by the LinphoneCore thus the application should not free it.
1310  * This list is made of struct PayloadType describing the codec parameters.
1311 **/
1312 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1313 {
1314         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1315         lc->codecs_conf.audio_codecs=codecs;
1316         return 0;
1317 }
1318
1319 /**
1320  * Sets the list of video codecs.
1321  *
1322  * @ingroup media_parameters
1323  * The list is taken by the LinphoneCore thus the application should not free it.
1324  * This list is made of struct PayloadType describing the codec parameters.
1325 **/
1326 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1327 {
1328         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1329         lc->codecs_conf.video_codecs=codecs;
1330         return 0;
1331 }
1332
1333 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1334 {
1335         return lc->friends;
1336 }
1337
1338 /**
1339  * Returns the nominal jitter buffer size in milliseconds.
1340  *
1341  * @ingroup media_parameters
1342 **/
1343 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1344 {
1345         return lc->rtp_conf.audio_jitt_comp;
1346 }
1347
1348 /**
1349  * Returns the UDP port used for audio streaming.
1350  *
1351  * @ingroup network_parameters
1352 **/
1353 int linphone_core_get_audio_port(const LinphoneCore *lc)
1354 {
1355         return lc->rtp_conf.audio_rtp_port;
1356 }
1357
1358 /**
1359  * Returns the UDP port used for video streaming.
1360  *
1361  * @ingroup network_parameters
1362 **/
1363 int linphone_core_get_video_port(const LinphoneCore *lc){
1364         return lc->rtp_conf.video_rtp_port;
1365 }
1366
1367
1368 /**
1369  * Returns the value in seconds of the no-rtp timeout.
1370  *
1371  * @ingroup media_parameters
1372  * When no RTP or RTCP packets have been received for a while
1373  * LinphoneCore will consider the call is broken (remote end crashed or
1374  * disconnected from the network), and thus will terminate the call.
1375  * The no-rtp timeout is the duration above which the call is considered broken.
1376 **/
1377 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1378         return lc->rtp_conf.nortp_timeout;
1379 }
1380
1381 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1382         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1383 }
1384
1385 /**
1386  * Sets the nominal audio jitter buffer size in milliseconds.
1387  *
1388  * @ingroup media_parameters
1389 **/
1390 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1391 {
1392         lc->rtp_conf.audio_jitt_comp=value;
1393 }
1394
1395 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1396         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1397 }
1398
1399 /**
1400  * Sets the UDP port used for audio streaming.
1401  *
1402  * @ingroup network_parameters
1403 **/
1404 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1405 {
1406         lc->rtp_conf.audio_rtp_port=port;
1407 }
1408
1409 /**
1410  * Sets the UDP port used for video streaming.
1411  *
1412  * @ingroup network_parameters
1413 **/
1414 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1415         lc->rtp_conf.video_rtp_port=port;
1416 }
1417
1418 /**
1419  * Sets the no-rtp timeout value in seconds.
1420  *
1421  * @ingroup media_parameters
1422  * See linphone_core_get_nortp_timeout() for details.
1423 **/
1424 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1425         lc->rtp_conf.nortp_timeout=nortp_timeout;
1426 }
1427
1428 /**
1429  * Indicates whether SIP INFO is used for sending digits.
1430  *
1431  * @ingroup media_parameters
1432 **/
1433 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1434 {
1435         return lc->sip_conf.use_info;
1436 }
1437
1438 /**
1439  * Sets whether SIP INFO is to be used for sending digits.
1440  *
1441  * @ingroup media_parameters
1442 **/
1443 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1444 {
1445         lc->sip_conf.use_info=use_info;
1446 }
1447
1448 /**
1449  * Indicates whether RFC2833 is used for sending digits.
1450  *
1451  * @ingroup media_parameters
1452 **/
1453 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1454 {
1455         return lc->sip_conf.use_rfc2833;
1456 }
1457
1458 /**
1459  * Sets whether RFC2833 is to be used for sending digits.
1460  *
1461  * @ingroup media_parameters
1462 **/
1463 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1464 {
1465         lc->sip_conf.use_rfc2833=use_rfc2833;
1466 }
1467
1468 /**
1469  * Returns the UDP port used by SIP.
1470  *
1471  * Deprecated: use linphone_core_get_sip_transports() instead.
1472  * @ingroup network_parameters
1473 **/
1474 int linphone_core_get_sip_port(LinphoneCore *lc)
1475 {
1476         LCSipTransports *tr=&lc->sip_conf.transports;
1477         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1478 }
1479
1480 static char _ua_name[64]="Linphone";
1481 static char _ua_version[64]=LINPHONE_VERSION;
1482
1483 #ifdef HAVE_EXOSIP_GET_VERSION
1484 extern const char *eXosip_get_version();
1485 #endif
1486
1487 static void apply_user_agent(LinphoneCore *lc){
1488         char ua_string[256];
1489         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1490 #ifdef HAVE_EXOSIP_GET_VERSION
1491                  eXosip_get_version()
1492 #else
1493                  "unknown"
1494 #endif
1495         );
1496         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1497 }
1498
1499 /**
1500  * Sets the user agent string used in SIP messages.
1501  *
1502  * @ingroup misc
1503 **/
1504 void linphone_core_set_user_agent(const char *name, const char *ver){
1505         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1506         strncpy(_ua_version,ver,sizeof(_ua_version));
1507 }
1508
1509 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1510         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1511         ms_warning("%s",msg);
1512         if (lc->vtable.display_warning)
1513                 lc->vtable.display_warning(lc,msg);
1514         ms_free(msg);
1515 }
1516
1517 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1518         return
1519                 tr2->udp_port==tr1->udp_port &&
1520                 tr2->tcp_port==tr1->tcp_port &&
1521                 tr2->dtls_port==tr1->dtls_port &&
1522                 tr2->tls_port==tr1->tls_port;
1523 }
1524
1525 static int apply_transports(LinphoneCore *lc){
1526         Sal *sal=lc->sal;
1527         const char *anyaddr;
1528         LCSipTransports *tr=&lc->sip_conf.transports;
1529
1530         /*first of all invalidate all current registrations so that we can register again with new transports*/
1531         __linphone_core_invalidate_registers(lc);
1532
1533         if (lc->sip_conf.ipv6_enabled)
1534                 anyaddr="::0";
1535         else
1536                 anyaddr="0.0.0.0";
1537
1538         sal_unlisten_ports(sal);
1539         if (tr->udp_port>0){
1540                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1541                         transport_error(lc,"udp",tr->udp_port);
1542                         return -1;
1543                 }
1544         }
1545         if (tr->tcp_port>0){
1546                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1547                         transport_error(lc,"tcp",tr->tcp_port);
1548                 }
1549         }
1550         if (tr->tls_port>0){
1551                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1552                         transport_error(lc,"tls",tr->tls_port);
1553                 }
1554         }
1555         apply_user_agent(lc);
1556         return 0;
1557 }
1558
1559 /**
1560  * Sets the ports to be used for each of transport (UDP or TCP)
1561  *
1562  * A zero value port for a given transport means the transport
1563  * is not used.
1564  *
1565  * @ingroup network_parameters
1566 **/
1567 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1568
1569         if (transports_unchanged(tr,&lc->sip_conf.transports))
1570                 return 0;
1571         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1572
1573         if (linphone_core_ready(lc)){
1574                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1575                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1576                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1577         }
1578
1579         if (lc->sal==NULL) return 0;
1580         return apply_transports(lc);
1581 }
1582
1583 /**
1584  * Retrieves the ports used for each transport (udp, tcp).
1585  * A zero value port for a given transport means the transport
1586  * is not used.
1587  * @ingroup network_parameters
1588 **/
1589 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1590         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1591         return 0;
1592 }
1593
1594 /**
1595  * Sets the UDP port to be used by SIP.
1596  *
1597  * Deprecated: use linphone_core_set_sip_transports() instead.
1598  * @ingroup network_parameters
1599 **/
1600 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1601 {
1602         LCSipTransports tr;
1603         memset(&tr,0,sizeof(tr));
1604         tr.udp_port=port;
1605         linphone_core_set_sip_transports (lc,&tr);
1606 }
1607
1608 /**
1609  * Returns TRUE if IPv6 is enabled.
1610  *
1611  * @ingroup network_parameters
1612  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1613 **/
1614 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1615         return lc->sip_conf.ipv6_enabled;
1616 }
1617
1618 /**
1619  * Turns IPv6 support on or off.
1620  *
1621  * @ingroup network_parameters
1622  *
1623  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1624  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1625  * By default IPv6 support is off.
1626 **/
1627 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1628         if (lc->sip_conf.ipv6_enabled!=val){
1629                 lc->sip_conf.ipv6_enabled=val;
1630                 if (lc->sal){
1631                         /* we need to restart eXosip */
1632                         apply_transports(lc);
1633                 }
1634         }
1635 }
1636
1637
1638 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1639         static time_t last_check=0;
1640         static bool_t last_status=FALSE;
1641         char result[LINPHONE_IPADDR_SIZE];
1642         bool_t new_status=last_status;
1643
1644         /* only do the network up checking every five seconds */
1645         if (last_check==0 || (curtime-last_check)>=5){
1646                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1647                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1648                         new_status=TRUE;
1649                 }else new_status=FALSE;
1650                 last_check=curtime;
1651                 if (new_status!=last_status) {
1652                         if (new_status){
1653                                 ms_message("New local ip address is %s",result);
1654                         }
1655                         set_network_reachable(lc,new_status, curtime);
1656                         last_status=new_status;
1657                 }
1658         }
1659 }
1660
1661 static void proxy_update(LinphoneCore *lc){
1662         MSList *elem,*next;
1663         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1664         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1665                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1666                 next=elem->next;
1667                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1668                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1669                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1670                         linphone_proxy_config_destroy(cfg);
1671                 }
1672         }
1673 }
1674
1675 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1676         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1677         if (lf!=NULL){
1678                 lf->info=info;
1679                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1680                 if (lc->vtable.buddy_info_updated)
1681                         lc->vtable.buddy_info_updated(lc,lf);
1682         }else{
1683                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1684         }
1685 }
1686
1687 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1688         MSList *elem;
1689         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1690         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1691                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1692                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1693                         if (req->results!=NULL){
1694                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1695                                 ms_list_free(req->results);
1696                                 req->results=NULL;
1697                                 assign_buddy_info(lc,i);
1698                         }
1699                         sip_setup_context_buddy_lookup_free(ctx,req);
1700                         elem->data=NULL;
1701                 }
1702         }
1703         /*purge completed requests */
1704         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1705                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1706         }
1707 }
1708
1709 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1710         const MSList *elem;
1711         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1712         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1713                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1714                 if (lf->info==NULL){
1715                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1716                                 if (linphone_address_get_username(lf->uri)!=NULL){
1717                                         BuddyLookupRequest *req;
1718                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1719                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1720                                         buddy_lookup_request_set_key(req,tmp);
1721                                         buddy_lookup_request_set_max_results(req,1);
1722                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1723                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1724                                         ms_free(tmp);
1725                                 }
1726                         }
1727                 }
1728         }
1729 }
1730
1731 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1732         LinphoneProxyConfig *cfg=NULL;
1733         linphone_core_get_default_proxy(lc,&cfg);
1734         if (cfg){
1735                 if (lc->bl_refresh){
1736                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1737                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1738                                 linphone_core_grab_buddy_infos(lc,cfg);
1739                                 lc->bl_refresh=FALSE;
1740                         }
1741                 }
1742                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1743         }
1744 }
1745
1746 /**
1747  * Main loop function. It is crucial that your application call it periodically.
1748  *
1749  * @ingroup initializing
1750  * linphone_core_iterate() performs various backgrounds tasks:
1751  * - receiving of SIP messages
1752  * - handles timers and timeout
1753  * - performs registration to proxies
1754  * - authentication retries
1755  * The application MUST call this function periodically, in its main loop.
1756  * Be careful that this function must be called from the same thread as
1757  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1758  * serialized with a mutex.
1759 **/
1760 void linphone_core_iterate(LinphoneCore *lc){
1761         MSList *calls;
1762         LinphoneCall *call;
1763         time_t curtime=time(NULL);
1764         int elapsed;
1765         bool_t one_second_elapsed=FALSE;
1766
1767         if (curtime-lc->prevtime>=1){
1768                 lc->prevtime=curtime;
1769                 one_second_elapsed=TRUE;
1770         }
1771
1772         if (lc->ecc!=NULL){
1773                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1774                 if (ecs!=LinphoneEcCalibratorInProgress){
1775                         if (lc->ecc->cb)
1776                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1777                         if (ecs==LinphoneEcCalibratorDone){
1778                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1779                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1780                         }
1781                         ec_calibrator_destroy(lc->ecc);
1782                         lc->ecc=NULL;
1783                 }
1784         }
1785
1786         if (lc->preview_finished){
1787                 lc->preview_finished=0;
1788                 ring_stop(lc->ringstream);
1789                 lc->ringstream=NULL;
1790                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1791         }
1792
1793         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1794             && (curtime-lc->dmfs_playing_start_time)>5){
1795                 ring_stop(lc->ringstream);
1796                 lc->ringstream=NULL;
1797                 lc->dmfs_playing_start_time=0;
1798         }
1799
1800         sal_iterate(lc->sal);
1801         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1802         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1803
1804         proxy_update(lc);
1805
1806         //we have to iterate for each call
1807         calls= lc->calls;
1808         while(calls!= NULL){
1809                 call = (LinphoneCall *)calls->data;
1810                  /* get immediately a reference to next one in case the one
1811                  we are going to examine is destroy and removed during
1812                  linphone_core_start_invite() */
1813                 calls=calls->next;
1814                 linphone_call_background_tasks(call,one_second_elapsed);
1815                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1816                         /*start the call even if the OPTIONS reply did not arrive*/
1817                         linphone_core_start_invite(lc,call,NULL);
1818                 }
1819                 if (call->state==LinphoneCallIncomingReceived){
1820                         elapsed=curtime-call->start_time;
1821                         ms_message("incoming call ringing for %i seconds",elapsed);
1822                         if (elapsed>lc->sip_conf.inc_timeout){
1823                                 call->log->status=LinphoneCallMissed;
1824                                 linphone_core_terminate_call(lc,call);
1825                         }
1826                 }
1827         }
1828
1829         if (linphone_core_video_preview_enabled(lc)){
1830                 if (lc->previewstream==NULL && lc->calls==NULL)
1831                         toggle_video_preview(lc,TRUE);
1832 #ifdef VIDEO_ENABLED
1833                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1834 #endif
1835         }else{
1836                 if (lc->previewstream!=NULL)
1837                         toggle_video_preview(lc,FALSE);
1838         }
1839
1840         linphone_core_run_hooks(lc);
1841         linphone_core_do_plugin_tasks(lc);
1842
1843         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1844             (curtime-lc->netup_time)>3){
1845                 linphone_core_send_initial_subscribes(lc);
1846                 lc->initial_subscribes_sent=TRUE;
1847         }
1848
1849         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1850                 lp_config_sync(lc->config);
1851         }
1852 }
1853
1854 /**
1855  * Interpret a call destination as supplied by the user, and returns a fully qualified
1856  * LinphoneAddress.
1857  *
1858  * A sip address should look like DisplayName <sip:username@domain:port> .
1859  * Basically this function performs the following tasks
1860  * - if a phone number is entered, prepend country prefix of the default proxy
1861  *   configuration, eventually escape the '+' by 00.
1862  * - if no domain part is supplied, append the domain name of the default proxy
1863  * - if no sip: is present, prepend it
1864  *
1865  * The result is a syntaxically correct SIP address.
1866 **/
1867
1868 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1869         enum_lookup_res_t *enumres=NULL;
1870         char *enum_domain=NULL;
1871         LinphoneProxyConfig *proxy=lc->default_proxy;;
1872         char *tmpurl;
1873         LinphoneAddress *uri;
1874
1875         if (is_enum(url,&enum_domain)){
1876                 if (lc->vtable.display_status!=NULL)
1877                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1878                 if (enum_lookup(enum_domain,&enumres)<0){
1879                         if (lc->vtable.display_status!=NULL)
1880                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1881                         ms_free(enum_domain);
1882                         return NULL;
1883                 }
1884                 ms_free(enum_domain);
1885                 tmpurl=enumres->sip_address[0];
1886                 uri=linphone_address_new(tmpurl);
1887                 enum_lookup_res_free(enumres);
1888                 return uri;
1889         }
1890         /* check if we have a "sip:" */
1891         if (strstr(url,"sip:")==NULL){
1892                 /* this doesn't look like a true sip uri */
1893                 if (strchr(url,'@')!=NULL){
1894                         /* seems like sip: is missing !*/
1895                         tmpurl=ms_strdup_printf("sip:%s",url);
1896                         uri=linphone_address_new(tmpurl);
1897                         ms_free(tmpurl);
1898                         if (uri){
1899                                 return uri;
1900                         }
1901                 }
1902
1903                 if (proxy!=NULL){
1904                         /* append the proxy domain suffix */
1905                         const char *identity=linphone_proxy_config_get_identity(proxy);
1906                         char normalized_username[128];
1907                         uri=linphone_address_new(identity);
1908                         if (uri==NULL){
1909                                 return NULL;
1910                         }
1911                         linphone_address_set_display_name(uri,NULL);
1912                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1913                                                                 sizeof(normalized_username));
1914                         linphone_address_set_username(uri,normalized_username);
1915                         return uri;
1916                 }else return NULL;
1917         }
1918         uri=linphone_address_new(url);
1919         if (uri!=NULL){
1920                 return uri;
1921         }
1922         /* else we could not do anything with url given by user, so display an error */
1923         if (lc->vtable.display_warning!=NULL){
1924                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1925         }
1926         return NULL;
1927 }
1928
1929 /**
1930  * Returns the default identity SIP address.
1931  *
1932  * @ingroup proxies
1933  * This is an helper function:
1934  *
1935  * If no default proxy is set, this will return the primary contact (
1936  * see linphone_core_get_primary_contact() ). If a default proxy is set
1937  * it returns the registered identity on the proxy.
1938 **/
1939 const char * linphone_core_get_identity(LinphoneCore *lc){
1940         LinphoneProxyConfig *proxy=NULL;
1941         const char *from;
1942         linphone_core_get_default_proxy(lc,&proxy);
1943         if (proxy!=NULL) {
1944                 from=linphone_proxy_config_get_identity(proxy);
1945         }else from=linphone_core_get_primary_contact(lc);
1946         return from;
1947 }
1948
1949 const char * linphone_core_get_route(LinphoneCore *lc){
1950         LinphoneProxyConfig *proxy=NULL;
1951         const char *route=NULL;
1952         linphone_core_get_default_proxy(lc,&proxy);
1953         if (proxy!=NULL) {
1954                 route=linphone_proxy_config_get_route(proxy);
1955         }
1956         return route;
1957 }
1958
1959 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
1960         if (call->refer_pending){
1961                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
1962                 LinphoneCall *newcall;
1963                 cp->has_video &= !!lc->video_policy.automatically_initiate;
1964                 cp->referer=call;
1965                 ms_message("Starting new call to refered address %s",call->refer_to);
1966                 call->refer_pending=FALSE;
1967                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
1968                 linphone_call_params_destroy(cp);
1969                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
1970         }
1971 }
1972
1973 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
1974         if (referer->op!=NULL){
1975                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
1976         }
1977 }
1978
1979 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
1980         const MSList *elem;
1981         LinphoneProxyConfig *found_cfg=NULL;
1982         LinphoneProxyConfig *default_cfg=lc->default_proxy;
1983
1984         /*always prefer the default proxy if it is matching the destination uri*/
1985         if (default_cfg){
1986                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
1987                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
1988                         return default_cfg;
1989         }
1990
1991         /*otherwise iterate through the other proxy config and return the first matching*/
1992         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
1993                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
1994                 const char *domain=linphone_proxy_config_get_domain(cfg);
1995                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
1996                         found_cfg=cfg;
1997                         break;
1998                 }
1999         }
2000         return found_cfg;
2001 }
2002
2003 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2004         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2005         if (cfg==NULL)
2006                 linphone_core_get_default_proxy (lc,&cfg);
2007         if (cfg!=NULL){
2008                 if (route) *route=linphone_proxy_config_get_route(cfg);
2009                 return linphone_proxy_config_get_identity (cfg);
2010         }
2011         return linphone_core_get_primary_contact (lc);
2012 }
2013
2014 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2015         LinphoneAddress *ctt;
2016         const char *localip=call->localip;
2017
2018         /* first use user's supplied ip address if asked*/
2019         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2020                 ctt=linphone_core_get_primary_contact_parsed(lc);
2021                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2022                         linphone_core_get_nat_address_resolved(lc));
2023         }
2024
2025         /* if already choosed, don't change it */
2026         if (call->op && sal_op_get_contact(call->op)!=NULL){
2027                 return NULL;
2028         }
2029         /* if the ping OPTIONS request succeeded use the contact guessed from the
2030          received, rport*/
2031         if (call->ping_op){
2032                 const char *guessed=sal_op_get_contact(call->ping_op);
2033                 if (guessed){
2034                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2035                         return ms_strdup(guessed);
2036                 }
2037         }
2038
2039         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2040         if (dest_proxy && dest_proxy->op){
2041                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2042                 if (fixed_contact) {
2043                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2044                         return ms_strdup(fixed_contact);
2045                 }
2046         }
2047
2048         ctt=linphone_core_get_primary_contact_parsed(lc);
2049
2050         if (ctt!=NULL){
2051                 char *ret;
2052                 /*otherwise use supllied localip*/
2053                 linphone_address_set_domain(ctt,localip);
2054                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2055                 ret=linphone_address_as_string_uri_only(ctt);
2056                 linphone_address_destroy(ctt);
2057                 ms_message("Contact has been fixed using local ip to %s",ret);
2058                 return ret;
2059         }
2060         return NULL;
2061 }
2062
2063 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2064         int err;
2065         char *contact;
2066         char *real_url,*barmsg;
2067         char *from;
2068
2069         /*try to be best-effort in giving real local or routable contact address */
2070         contact=get_fixed_contact(lc,call,dest_proxy);
2071         if (contact){
2072                 sal_op_set_contact(call->op, contact);
2073                 ms_free(contact);
2074         }
2075         linphone_core_stop_dtmf_stream(lc);
2076         linphone_call_init_media_streams(call);
2077         if (lc->ringstream==NULL)
2078                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2079         if (!lc->sip_conf.sdp_200_ack){
2080                 call->media_pending=TRUE;
2081                 sal_call_set_local_media_description(call->op,call->localdesc);
2082         }
2083         real_url=linphone_address_as_string(call->log->to);
2084         from=linphone_address_as_string(call->log->from);
2085         err=sal_call(call->op,from,real_url);
2086
2087         if (lc->sip_conf.sdp_200_ack){
2088                 call->media_pending=TRUE;
2089                 sal_call_set_local_media_description(call->op,call->localdesc);
2090         }
2091         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2092         if (lc->vtable.display_status!=NULL)
2093                 lc->vtable.display_status(lc,barmsg);
2094         ms_free(barmsg);
2095
2096         if (err<0){
2097                 if (lc->vtable.display_status!=NULL)
2098                         lc->vtable.display_status(lc,_("Could not call"));
2099                 linphone_call_stop_media_streams(call);
2100                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2101         }else {
2102                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2103         }
2104         ms_free(real_url);
2105         ms_free(from);
2106         return err;
2107 }
2108
2109 /**
2110  * Initiates an outgoing call
2111  *
2112  * @ingroup call_control
2113  * @param lc the LinphoneCore object
2114  * @param url the destination of the call (sip address, or phone number).
2115  *
2116  * The application doesn't own a reference to the returned LinphoneCall object.
2117  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2118  *
2119  * @return a LinphoneCall object or NULL in case of failure
2120 **/
2121 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2122         LinphoneCall *call;
2123         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2124         p->has_video &= !!lc->video_policy.automatically_initiate;
2125         call=linphone_core_invite_with_params(lc,url,p);
2126         linphone_call_params_destroy(p);
2127         return call;
2128 }
2129
2130
2131 /**
2132  * Initiates an outgoing call according to supplied call parameters
2133  *
2134  * @ingroup call_control
2135  * @param lc the LinphoneCore object
2136  * @param url the destination of the call (sip address, or phone number).
2137  * @param p call parameters
2138  *
2139  * The application doesn't own a reference to the returned LinphoneCall object.
2140  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2141  *
2142  * @return a LinphoneCall object or NULL in case of failure
2143 **/
2144 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2145         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2146         if (addr){
2147                 LinphoneCall *call;
2148                 call=linphone_core_invite_address_with_params(lc,addr,p);
2149                 linphone_address_destroy(addr);
2150                 return call;
2151         }
2152         return NULL;
2153 }
2154
2155 /**
2156  * Initiates an outgoing call given a destination LinphoneAddress
2157  *
2158  * @ingroup call_control
2159  * @param lc the LinphoneCore object
2160  * @param addr the destination of the call (sip address).
2161  *
2162  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2163  * created by linphone_core_interpret_url().
2164  * The application doesn't own a reference to the returned LinphoneCall object.
2165  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2166  *
2167  * @return a LinphoneCall object or NULL in case of failure
2168 **/
2169 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2170         LinphoneCall *call;
2171         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2172         p->has_video &= !!lc->video_policy.automatically_initiate;
2173         call=linphone_core_invite_address_with_params (lc,addr,p);
2174         linphone_call_params_destroy(p);
2175         return call;
2176 }
2177
2178
2179 /**
2180  * Initiates an outgoing call given a destination LinphoneAddress
2181  *
2182  * @ingroup call_control
2183  * @param lc the LinphoneCore object
2184  * @param addr the destination of the call (sip address).
2185         @param params call parameters
2186  *
2187  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2188  * created by linphone_core_interpret_url().
2189  * The application doesn't own a reference to the returned LinphoneCall object.
2190  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2191  *
2192  * @return a LinphoneCall object or NULL in case of failure
2193 **/
2194 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2195 {
2196         const char *route=NULL;
2197         const char *from=NULL;
2198         LinphoneProxyConfig *proxy=NULL;
2199         LinphoneAddress *parsed_url2=NULL;
2200         char *real_url=NULL;
2201         LinphoneProxyConfig *dest_proxy=NULL;
2202         LinphoneCall *call;
2203
2204         linphone_core_preempt_sound_resources(lc);
2205
2206         if(!linphone_core_can_we_add_call(lc)){
2207                 if (lc->vtable.display_warning)
2208                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2209                 return NULL;
2210         }
2211         linphone_core_get_default_proxy(lc,&proxy);
2212         route=linphone_core_get_route(lc);
2213
2214         real_url=linphone_address_as_string(addr);
2215         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2216
2217         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2218                 ms_message("Overriding default proxy setting for this call:");
2219                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2220         }
2221
2222         if (dest_proxy!=NULL)
2223                 from=linphone_proxy_config_get_identity(dest_proxy);
2224         else if (proxy!=NULL)
2225                 from=linphone_proxy_config_get_identity(proxy);
2226
2227         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2228         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2229
2230         parsed_url2=linphone_address_new(from);
2231
2232         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2233         sal_op_set_route(call->op,route);
2234
2235         if(linphone_core_add_call(lc,call)!= 0)
2236         {
2237                 ms_warning("we had a problem in adding the call into the invite ... weird");
2238                 linphone_call_unref(call);
2239                 return NULL;
2240         }
2241         /* this call becomes now the current one*/
2242         lc->current_call=call;
2243         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2244         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2245                 linphone_core_start_invite(lc,call,dest_proxy);
2246         }else{
2247                 /*defer the start of the call after the OPTIONS ping*/
2248                 call->ping_op=sal_op_new(lc->sal);
2249                 sal_ping(call->ping_op,from,real_url);
2250                 sal_op_set_user_pointer(call->ping_op,call);
2251                 call->start_time=time(NULL);
2252         }
2253
2254         if (real_url!=NULL) ms_free(real_url);
2255         return call;
2256 }
2257
2258 /**
2259  * Performs a simple call transfer to the specified destination.
2260  *
2261  * The remote endpoint is expected to issue a new call to the specified destination.
2262  * The current call remains active and thus can be later paused or terminated.
2263 **/
2264 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2265 {
2266         char *real_url=NULL;
2267         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2268
2269         if (!real_parsed_url){
2270                 /* bad url */
2271                 return -1;
2272         }
2273         if (call==NULL){
2274                 ms_warning("No established call to refer.");
2275                 return -1;
2276         }
2277         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2278         real_url=linphone_address_as_string (real_parsed_url);
2279         sal_call_refer(call->op,real_url);
2280         ms_free(real_url);
2281         linphone_address_destroy(real_parsed_url);
2282         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2283         return 0;
2284 }
2285
2286 /**
2287  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2288  * @param lc linphone core object
2289  * @param call a running call you want to transfer
2290  * @param dest a running call whose remote person will receive the transfer
2291  *
2292  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2293  * The destination call is a call previously established to introduce the transfered person.
2294  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2295  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2296  * close the call with us (the 'dest' call).
2297 **/
2298 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2299         int result = sal_call_refer_with_replaces (call->op,dest->op);
2300         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2301         return result;
2302 }
2303
2304 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2305         LinphoneCall *call = linphone_core_get_current_call(lc);
2306         if(call != NULL)
2307         {
2308                 if(call->dir==LinphoneCallIncoming
2309                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2310                         return TRUE;
2311         }
2312         return FALSE;
2313 }
2314
2315 /**
2316  * @ingroup call_control
2317  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2318  *
2319  * In this version this is limited to the following use cases:
2320  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2321  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2322  *
2323  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2324  * @param lc the core
2325  * @param call the call to be updated
2326  * @param params the new call parameters to use. (may be NULL)
2327  * @return 0 if successful, -1 otherwise.
2328 **/
2329 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2330         int err=0;
2331         if (params!=NULL){
2332                 const char *subject;
2333                 call->params=*params;
2334                 call->camera_active=call->params.has_video;
2335                 update_local_media_description(lc,call);
2336
2337                 if (params->in_conference){
2338                         subject="Conference";
2339                 }else{
2340                         subject="Media change";
2341                 }
2342                 if (lc->vtable.display_status)
2343                         lc->vtable.display_status(lc,_("Modifying call parameters..."));
2344                 sal_call_set_local_media_description (call->op,call->localdesc);
2345                 err=sal_call_update(call->op,subject);
2346         }else{
2347 #ifdef VIDEO_ENABLED
2348                 if (call->videostream!=NULL){
2349                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2350                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2351                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2352                         }else video_stream_update_video_params(call->videostream);
2353                 }
2354 #endif
2355         }
2356
2357         return err;
2358 }
2359
2360 /**
2361  * @ingroup call_control
2362  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2363  *
2364  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2365  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2366  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2367  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2368  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2369  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2370  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2371  *
2372  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2373 **/
2374 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2375         if (call->state==LinphoneCallUpdatedByRemote){
2376                 call->defer_update=TRUE;
2377                 return 0;
2378         }
2379         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2380         return -1;
2381 }
2382
2383 /**
2384  * @ingroup call_control
2385  * Accept call modifications initiated by other end.
2386  *
2387  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2388  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2389  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2390  * requested by the other party, such as whether a video stream is requested.
2391  *
2392  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2393  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2394  * If params is not NULL, then the update will be accepted according to the parameters passed.
2395  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2396  * (see linphone_call_params_enable_video()).
2397  * @param lc the linphone core object.
2398  * @param call the LinphoneCall object
2399  * @param params a LinphoneCallParams object describing the call parameters to accept.
2400  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2401 **/
2402 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2403         SalMediaDescription *md;
2404         if (call->state!=LinphoneCallUpdatedByRemote){
2405                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2406                          linphone_call_state_to_string(call->state));
2407                 return -1;
2408         }
2409         if (params==NULL){
2410                 call->params.has_video=lc->video_policy.automatically_accept;
2411         }else
2412                 call->params=*params;
2413
2414         if (call->current_params.in_conference) {
2415                 ms_warning("Video isn't supported in conference");
2416                 call->params.has_video = FALSE;
2417         }
2418         call->camera_active=call->params.has_video;
2419         update_local_media_description(lc,call);
2420         sal_call_set_local_media_description(call->op,call->localdesc);
2421         sal_call_accept(call->op);
2422         md=sal_call_get_final_media_description(call->op);
2423         if (md && !sal_media_description_empty(md))
2424                 linphone_core_update_streams (lc,call,md);
2425         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2426         return 0;
2427 }
2428
2429 /**
2430  * Accept an incoming call.
2431  *
2432  * @ingroup call_control
2433  * Basically the application is notified of incoming calls within the
2434  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2435  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2436  * The application can later accept the call using this method.
2437  * @param lc the LinphoneCore object
2438  * @param call the LinphoneCall object representing the call to be answered.
2439  *
2440 **/
2441 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2442         return linphone_core_accept_call_with_params(lc,call,NULL);
2443 }
2444
2445 /**
2446  * Accept an incoming call, with parameters.
2447  *
2448  * @ingroup call_control
2449  * Basically the application is notified of incoming calls within the
2450  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2451  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2452  * The application can later accept the call using
2453  * this method.
2454  * @param lc the LinphoneCore object
2455  * @param call the LinphoneCall object representing the call to be answered.
2456  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2457  *
2458 **/
2459 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2460 {
2461         LinphoneProxyConfig *cfg=NULL,*dest_proxy=NULL;
2462         const char *contact=NULL;
2463         SalOp *replaced;
2464         SalMediaDescription *new_md;
2465         bool_t was_ringing=FALSE;
2466
2467         if (call==NULL){
2468                 //if just one call is present answer the only one ...
2469                 if(linphone_core_get_calls_nb (lc) != 1)
2470                         return -1;
2471                 else
2472                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2473         }
2474
2475         if (call->state==LinphoneCallConnected){
2476                 /*call already accepted*/
2477                 return -1;
2478         }
2479
2480         /* check if this call is supposed to replace an already running one*/
2481         replaced=sal_call_get_replaces(call->op);
2482         if (replaced){
2483                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2484                 if (rc){
2485                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2486                                    call,rc);
2487                         linphone_core_terminate_call(lc,rc);
2488                 }
2489         }
2490
2491         if (lc->current_call!=call){
2492                 linphone_core_preempt_sound_resources(lc);
2493         }
2494
2495         /*stop ringing */
2496         if (lc->ringstream!=NULL) {
2497                 ms_message("stop ringing");
2498                 ring_stop(lc->ringstream);
2499                 ms_message("ring stopped");
2500                 lc->ringstream=NULL;
2501                 was_ringing=TRUE;
2502         }
2503         if (call->ringing_beep){
2504                 linphone_core_stop_dtmf(lc);
2505                 call->ringing_beep=FALSE;
2506         }
2507
2508         linphone_core_get_default_proxy(lc,&cfg);
2509         dest_proxy=cfg;
2510         dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2511
2512         if (cfg!=dest_proxy && dest_proxy!=NULL) {
2513                 ms_message("Overriding default proxy setting for this call:");
2514                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2515         }
2516         /*try to be best-effort in giving real local or routable contact address*/
2517         contact=get_fixed_contact(lc,call,dest_proxy);
2518         if (contact)
2519                 sal_op_set_contact(call->op,contact);
2520
2521         if (call->audiostream==NULL)
2522                 linphone_call_init_media_streams(call);
2523         if (!was_ringing && call->audiostream->ticker==NULL){
2524                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2525         }
2526
2527         if (params){
2528                 call->params=*params;
2529                 call->camera_active=call->params.has_video;
2530                 update_local_media_description(lc,call);
2531                 sal_call_set_local_media_description(call->op,call->localdesc);
2532         }
2533
2534         sal_call_accept(call->op);
2535         if (lc->vtable.display_status!=NULL)
2536                 lc->vtable.display_status(lc,_("Connected."));
2537         lc->current_call=call;
2538         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2539         new_md=sal_call_get_final_media_description(call->op);
2540         linphone_core_update_streams(lc, call, new_md);
2541         if (new_md){
2542                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2543         }else call->media_pending=TRUE;
2544
2545         ms_message("call answered.");
2546         return 0;
2547 }
2548
2549 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2550         sal_call_terminate(call->op);
2551
2552         /*stop ringing*/
2553         if (lc->ringstream!=NULL) {
2554                 ring_stop(lc->ringstream);
2555                 lc->ringstream=NULL;
2556         }
2557         linphone_call_stop_media_streams(call);
2558         if (lc->vtable.display_status!=NULL)
2559                 lc->vtable.display_status(lc,_("Call aborted") );
2560         linphone_call_set_state(call,LinphoneCallError,error);
2561         return 0;
2562 }
2563
2564 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2565         if (call->state==LinphoneCallIncomingReceived){
2566                 call->reason=LinphoneReasonDeclined;
2567         }
2568         /*stop ringing*/
2569         if (lc->ringstream!=NULL) {
2570                 ring_stop(lc->ringstream);
2571                 lc->ringstream=NULL;
2572         }
2573
2574         linphone_call_stop_media_streams(call);
2575         if (lc->vtable.display_status!=NULL)
2576                 lc->vtable.display_status(lc,_("Call ended") );
2577 }
2578
2579 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2580         if (call->state==LinphoneCallIncomingReceived){
2581                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2582                 call->reason=LinphoneReasonDeclined;
2583                 terminate_call(lc,call);
2584                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2585         }else{
2586                 ms_error("Bad state for call redirection.");
2587                 return -1;
2588     }
2589         return 0;
2590 }
2591
2592
2593 /**
2594  * Terminates a call.
2595  *
2596  * @ingroup call_control
2597  * @param lc the LinphoneCore
2598  * @param the_call the LinphoneCall object representing the call to be terminated.
2599 **/
2600 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2601 {
2602         LinphoneCall *call;
2603         if (the_call == NULL){
2604                 call = linphone_core_get_current_call(lc);
2605                 if (ms_list_size(lc->calls)==1){
2606                         call=(LinphoneCall*)lc->calls->data;
2607                 }else{
2608                         ms_warning("No unique call to terminate !");
2609                         return -1;
2610                 }
2611         }
2612         else
2613         {
2614                 call = the_call;
2615         }
2616         sal_call_terminate(call->op);
2617         terminate_call(lc,call);
2618
2619         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2620         return 0;
2621 }
2622
2623 /**
2624  * Terminates all the calls.
2625  *
2626  * @ingroup call_control
2627  * @param lc The LinphoneCore
2628 **/
2629 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2630         MSList *calls=lc->calls;
2631         while(calls) {
2632                 LinphoneCall *c=(LinphoneCall*)calls->data;
2633                 calls=calls->next;
2634                 linphone_core_terminate_call(lc,c);
2635         }
2636         return 0;
2637 }
2638
2639 /**
2640  * Returns the current list of calls.
2641  *
2642  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2643  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2644  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2645  *
2646  * @ingroup call_control
2647 **/
2648 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2649 {
2650         return lc->calls;
2651 }
2652
2653 /**
2654  * Returns TRUE if there is a call running.
2655  *
2656  * @ingroup call_control
2657 **/
2658 bool_t linphone_core_in_call(const LinphoneCore *lc){
2659         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2660 }
2661
2662 /**
2663  * Returns The _LinphoneCall struct of the current call if one is in call
2664  *
2665  * @ingroup call_control
2666 **/
2667 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2668 {
2669         return lc->current_call;
2670 }
2671
2672 /**
2673  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2674  * this file will be played to the remote user.
2675  *
2676  * @ingroup call_control
2677 **/
2678 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2679 {
2680         const char *subject=NULL;
2681
2682         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2683                 ms_warning("Cannot pause this call, it is not active.");
2684                 return -1;
2685         }
2686         update_local_media_description(lc,call);
2687         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2688                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2689                 subject="Call on hold";
2690         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2691                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2692                 subject="Call on hold for me too";
2693         }else{
2694                 ms_error("No reason to pause this call, it is already paused or inactive.");
2695                 return -1;
2696         }
2697         sal_call_set_local_media_description(call->op,call->localdesc);
2698         if (sal_call_update(call->op,subject) != 0){
2699                 if (lc->vtable.display_warning)
2700                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2701         }
2702         lc->current_call=NULL;
2703         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2704         if (lc->vtable.display_status)
2705                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2706         if (call->audiostream || call->videostream)
2707                 linphone_call_stop_media_streams (call);
2708         return 0;
2709 }
2710
2711 /**
2712  * Pause all currently running calls.
2713 **/
2714 int linphone_core_pause_all_calls(LinphoneCore *lc){
2715         const MSList *elem;
2716         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2717                 LinphoneCall *call=(LinphoneCall *)elem->data;
2718                 LinphoneCallState cs=linphone_call_get_state(call);
2719                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2720                         linphone_core_pause_call(lc,call);
2721                 }
2722         }
2723         return 0;
2724 }
2725
2726 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
2727         LinphoneCall *current_call;
2728         if (linphone_core_is_in_conference(lc)){
2729                 linphone_core_leave_conference(lc);
2730                 return;
2731         }
2732         current_call=linphone_core_get_current_call(lc);
2733         if(current_call != NULL){
2734                 ms_message("Pausing automatically the current call.");
2735                 linphone_core_pause_call(lc,current_call);
2736         }
2737 }
2738
2739 /**
2740  * Resumes the call.
2741  *
2742  * @ingroup call_control
2743 **/
2744 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2745 {
2746         char temp[255]={0};
2747         LinphoneCall *call = the_call;
2748         const char *subject="Call resuming";
2749
2750         if(call->state!=LinphoneCallPaused ){
2751                 ms_warning("we cannot resume a call that has not been established and paused before");
2752                 return -1;
2753         }
2754         if (call->params.in_conference==FALSE){
2755                 linphone_core_preempt_sound_resources(lc);
2756                 ms_message("Resuming call %p",call);
2757         }
2758
2759         /* Stop playing music immediately. If remote side is a conference it
2760          prevents the participants to hear it while the 200OK comes back.*/
2761         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
2762
2763         update_local_media_description(lc,the_call);
2764         sal_call_set_local_media_description(call->op,call->localdesc);
2765         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
2766         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
2767         if(sal_call_update(call->op,subject) != 0){
2768                 return -1;
2769         }
2770         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2771         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2772         if (lc->vtable.display_status)
2773                 lc->vtable.display_status(lc,temp);
2774         return 0;
2775 }
2776
2777 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
2778         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
2779         return !linphone_address_weak_equal (addr,raddr);
2780 }
2781
2782 /**
2783  * Get the call with the remote_address specified
2784  * @param lc
2785  * @param remote_address
2786  * @return the LinphoneCall of the call if found
2787  */
2788 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2789         LinphoneAddress *raddr=linphone_address_new(remote_address);
2790         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
2791         if (elem) return (LinphoneCall*) elem->data;
2792         return NULL;
2793 }
2794
2795 int linphone_core_send_publish(LinphoneCore *lc,
2796                                LinphoneOnlineStatus presence_mode)
2797 {
2798         const MSList *elem;
2799         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2800                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2801                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2802         }
2803         return 0;
2804 }
2805
2806 /**
2807  * Set the incoming call timeout in seconds.
2808  *
2809  * @ingroup call_control
2810  * If an incoming call isn't answered for this timeout period, it is
2811  * automatically declined.
2812 **/
2813 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2814         lc->sip_conf.inc_timeout=seconds;
2815 }
2816
2817 /**
2818  * Returns the incoming call timeout
2819  *
2820  * @ingroup call_control
2821  * See linphone_core_set_inc_timeout() for details.
2822 **/
2823 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2824         return lc->sip_conf.inc_timeout;
2825 }
2826
2827 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2828                                                                                                         const char *contact,
2829                                                                                                         LinphoneOnlineStatus presence_mode)
2830 {
2831         if (minutes_away>0) lc->minutes_away=minutes_away;
2832
2833         if (lc->alt_contact!=NULL) {
2834                 ms_free(lc->alt_contact);
2835                 lc->alt_contact=NULL;
2836         }
2837         if (contact) lc->alt_contact=ms_strdup(contact);
2838         if (lc->presence_mode!=presence_mode){
2839                 linphone_core_notify_all_friends(lc,presence_mode);
2840                 /*
2841                    Improve the use of all LINPHONE_STATUS available.
2842                    !TODO Do not mix "presence status" with "answer status code"..
2843                    Use correct parameter to follow sip_if_match/sip_etag.
2844                  */
2845                 linphone_core_send_publish(lc,presence_mode);
2846         }
2847         lc->presence_mode=presence_mode;
2848 }
2849
2850 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2851         return lc->presence_mode;
2852 }
2853
2854 /**
2855  * Get playback sound level in 0-100 scale.
2856  *
2857  * @ingroup media_parameters
2858 **/
2859 int linphone_core_get_play_level(LinphoneCore *lc)
2860 {
2861         return lc->sound_conf.play_lev;
2862 }
2863
2864 /**
2865  * Get ring sound level in 0-100 scale
2866  *
2867  * @ingroup media_parameters
2868 **/
2869 int linphone_core_get_ring_level(LinphoneCore *lc)
2870 {
2871         return lc->sound_conf.ring_lev;
2872 }
2873
2874 /**
2875  * Get sound capture level in 0-100 scale
2876  *
2877  * @ingroup media_parameters
2878 **/
2879 int linphone_core_get_rec_level(LinphoneCore *lc){
2880         return lc->sound_conf.rec_lev;
2881 }
2882
2883 /**
2884  * Set sound ring level in 0-100 scale
2885  *
2886  * @ingroup media_parameters
2887 **/
2888 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
2889         MSSndCard *sndcard;
2890         lc->sound_conf.ring_lev=level;
2891         sndcard=lc->sound_conf.ring_sndcard;
2892         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2893 }
2894
2895 /**
2896  * Allow to control play level before entering sound card:  gain in db
2897  *
2898  * @ingroup media_parameters
2899 **/
2900 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
2901         float gain=gaindb;
2902         LinphoneCall *call=linphone_core_get_current_call (lc);
2903         AudioStream *st;
2904
2905         lc->sound_conf.soft_play_lev=gaindb;
2906
2907         if (call==NULL || (st=call->audiostream)==NULL){
2908                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
2909                 return;
2910         }
2911         if (st->volrecv){
2912                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
2913         }else ms_warning("Could not apply gain: gain control wasn't activated.");
2914 }
2915
2916 /**
2917  * Get playback gain in db before entering  sound card.
2918  *
2919  * @ingroup media_parameters
2920 **/
2921 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
2922         return lc->sound_conf.soft_play_lev;
2923 }
2924
2925 /**
2926  * Set sound playback level in 0-100 scale
2927  *
2928  * @ingroup media_parameters
2929 **/
2930 void linphone_core_set_play_level(LinphoneCore *lc, int level){
2931         MSSndCard *sndcard;
2932         lc->sound_conf.play_lev=level;
2933         sndcard=lc->sound_conf.play_sndcard;
2934         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
2935 }
2936
2937 /**
2938  * Set sound capture level in 0-100 scale
2939  *
2940  * @ingroup media_parameters
2941 **/
2942 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
2943 {
2944         MSSndCard *sndcard;
2945         lc->sound_conf.rec_lev=level;
2946         sndcard=lc->sound_conf.capt_sndcard;
2947         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
2948 }
2949
2950 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
2951         MSSndCard *sndcard=NULL;
2952         if (devid!=NULL){
2953                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2954                 if (sndcard!=NULL &&
2955                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
2956                         ms_warning("%s card does not have the %s capability, ignoring.",
2957                                 devid,
2958                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
2959                         sndcard=NULL;
2960                 }
2961         }
2962         if (sndcard==NULL) {
2963                 /* get a card that has read+write capabilities */
2964                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
2965                 /* otherwise refine to the first card having the right capability*/
2966                 if (sndcard==NULL){
2967                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2968                         for(;elem!=NULL;elem=elem->next){
2969                                 sndcard=(MSSndCard*)elem->data;
2970                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
2971                         }
2972                 }
2973                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
2974                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
2975                         if (elem) sndcard=(MSSndCard*)elem->data;
2976         }
2977         }
2978         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
2979         return sndcard;
2980 }
2981
2982 /**
2983  * Returns true if the specified sound device can capture sound.
2984  *
2985  * @ingroup media_parameters
2986  * @param lc The LinphoneCore object
2987  * @param devid the device name as returned by linphone_core_get_sound_devices()
2988 **/
2989 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
2990         MSSndCard *sndcard;
2991         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
2992         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
2993         return FALSE;
2994 }
2995
2996 /**
2997  * Returns true if the specified sound device can play sound.
2998  *
2999  * @ingroup media_parameters
3000  * @param lc The LinphoneCore object
3001  * @param devid the device name as returned by linphone_core_get_sound_devices()
3002 **/
3003 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3004         MSSndCard *sndcard;
3005         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3006         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3007         return FALSE;
3008 }
3009
3010 /**
3011  * Sets the sound device used for ringing.
3012  *
3013  * @ingroup media_parameters
3014  * @param lc The LinphoneCore object
3015  * @param devid the device name as returned by linphone_core_get_sound_devices()
3016 **/
3017 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3018         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3019         lc->sound_conf.ring_sndcard=card;
3020         if (card && linphone_core_ready(lc))
3021                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3022         return 0;
3023 }
3024
3025 /**
3026  * Sets the sound device used for playback.
3027  *
3028  * @ingroup media_parameters
3029  * @param lc The LinphoneCore object
3030  * @param devid the device name as returned by linphone_core_get_sound_devices()
3031 **/
3032 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3033         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3034         lc->sound_conf.play_sndcard=card;
3035         if (card &&  linphone_core_ready(lc))
3036                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3037         return 0;
3038 }
3039
3040 /**
3041  * Sets the sound device used for capture.
3042  *
3043  * @ingroup media_parameters
3044  * @param lc The LinphoneCore object
3045  * @param devid the device name as returned by linphone_core_get_sound_devices()
3046 **/
3047 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3048         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3049         lc->sound_conf.capt_sndcard=card;
3050         if (card &&  linphone_core_ready(lc))
3051                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3052         return 0;
3053 }
3054
3055 /**
3056  * Returns the name of the currently assigned sound device for ringing.
3057  *
3058  * @ingroup media_parameters
3059  * @param lc The LinphoneCore object
3060 **/
3061 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3062 {
3063         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3064         return NULL;
3065 }
3066
3067 /**
3068  * Returns the name of the currently assigned sound device for playback.
3069  *
3070  * @ingroup media_parameters
3071  * @param lc The LinphoneCore object
3072 **/
3073 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3074 {
3075         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3076 }
3077
3078 /**
3079  * Returns the name of the currently assigned sound device for capture.
3080  *
3081  * @ingroup media_parameters
3082  * @param lc The LinphoneCore object
3083 **/
3084 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3085 {
3086         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3087 }
3088
3089 /**
3090  * Returns an unmodifiable array of available sound devices.
3091  *
3092  * The array is NULL terminated.
3093  *
3094  * @ingroup media_parameters
3095  * @param lc The LinphoneCore object
3096 **/
3097 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3098         return lc->sound_conf.cards;
3099 }
3100
3101 /**
3102  * Returns an unmodifiable array of available video capture devices.
3103  *
3104  * @ingroup media_parameters
3105  * The array is NULL terminated.
3106 **/
3107 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3108         return lc->video_conf.cams;
3109 }
3110
3111 /**
3112  * Update detection of sound devices.
3113  *
3114  * Use this function when the application is notified of USB plug events, so that
3115  * list of available hardwares for sound playback and capture is updated.
3116  **/
3117 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3118         const char *ringer,*playback,*capture;
3119         ringer=linphone_core_get_ringer_device(lc);
3120         playback=linphone_core_get_playback_device(lc);
3121         capture=linphone_core_get_capture_device(lc);
3122         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3123         build_sound_devices_table(lc);
3124         linphone_core_set_ringer_device(lc,ringer);
3125         linphone_core_set_playback_device(lc,playback);
3126         linphone_core_set_capture_device(lc,capture);
3127 }
3128
3129 /**
3130  * Update detection of camera devices.
3131  *
3132  * Use this function when the application is notified of USB plug events, so that
3133  * list of available hardwares for video capture is updated.
3134  **/
3135 void linphone_core_reload_video_devices(LinphoneCore *lc){
3136         const char *devid;
3137         devid=linphone_core_get_video_device(lc);
3138         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3139         build_video_devices_table(lc);
3140         linphone_core_set_video_device(lc,devid);
3141 }
3142
3143 char linphone_core_get_sound_source(LinphoneCore *lc)
3144 {
3145         return lc->sound_conf.source;
3146 }
3147
3148 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3149 {
3150         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3151         lc->sound_conf.source=source;
3152         if (!sndcard) return;
3153         switch(source){
3154                 case 'm':
3155                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3156                         break;
3157                 case 'l':
3158                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3159                         break;
3160         }
3161
3162 }
3163
3164
3165 /**
3166  * Sets the path to a wav file used for ringing.
3167  *
3168  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3169  * @param lc The LinphoneCore object
3170  *
3171  * @ingroup media_parameters
3172 **/
3173 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3174         if (lc->sound_conf.local_ring!=0){
3175                 ms_free(lc->sound_conf.local_ring);
3176                 lc->sound_conf.local_ring=NULL;
3177         }
3178         if (path)
3179                 lc->sound_conf.local_ring=ms_strdup(path);
3180         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3181                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3182 }
3183
3184 /**
3185  * Returns the path to the wav file used for ringing.
3186  *
3187  * @param lc The LinphoneCore object
3188  * @ingroup media_parameters
3189 **/
3190 const char *linphone_core_get_ring(const LinphoneCore *lc){
3191         return lc->sound_conf.local_ring;
3192 }
3193
3194 /**
3195  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3196  *
3197  * @param path
3198  * @param lc The LinphoneCore object
3199  *
3200  * @ingroup media_parameters
3201 **/
3202 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3203         sal_set_root_ca(lc->sal, path);
3204 }
3205
3206 /**
3207  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3208 **/
3209 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3210         sal_verify_server_certificates(lc->sal,yesno);
3211 }
3212
3213 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3214         LinphoneCore *lc=(LinphoneCore*)ud;
3215         lc->preview_finished=1;
3216 }
3217
3218 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3219 {
3220         if (lc->ringstream!=0){
3221                 ms_warning("Cannot start ring now,there's already a ring being played");
3222                 return -1;
3223         }
3224         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3225         lc->preview_finished=0;
3226         if (lc->sound_conf.ring_sndcard!=NULL){
3227                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3228                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3229         }
3230         return 0;
3231 }
3232
3233 /**
3234  * Sets the path to a wav file used for ringing back.
3235  *
3236  * Ringback means the ring that is heard when it's ringing at the remote party.
3237  * The file must be a wav 16bit linear.
3238  *
3239  * @ingroup media_parameters
3240 **/
3241 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3242         if (lc->sound_conf.remote_ring!=0){
3243                 ms_free(lc->sound_conf.remote_ring);
3244         }
3245         lc->sound_conf.remote_ring=ms_strdup(path);
3246 }
3247
3248 /**
3249  * Returns the path to the wav file used for ringing back.
3250  *
3251  * @ingroup media_parameters
3252 **/
3253 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3254         return lc->sound_conf.remote_ring;
3255 }
3256
3257 /**
3258  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3259  *
3260  * @ingroup media_parameters
3261 **/
3262 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3263         lc->sound_conf.ec=val;
3264         if ( linphone_core_ready(lc))
3265                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3266 }
3267
3268
3269 /**
3270  * Returns TRUE if echo cancellation is enabled.
3271  *
3272  * @ingroup media_parameters
3273 **/
3274 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3275         return lc->sound_conf.ec;
3276 }
3277
3278 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3279         lc->sound_conf.ea=val;
3280 }
3281
3282 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3283         return lc->sound_conf.ea;
3284 }
3285
3286 /**
3287  * Mutes or unmutes the local microphone.
3288  *
3289  * @ingroup media_parameters
3290 **/
3291 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3292         LinphoneCall *call=linphone_core_get_current_call(lc);
3293         AudioStream *st=NULL;
3294         if (linphone_core_is_in_conference(lc)){
3295                 lc->conf_ctx.local_muted=val;
3296                 st=lc->conf_ctx.local_participant;
3297         }else if (call==NULL){
3298                 ms_warning("linphone_core_mute_mic(): No current call !");
3299                 return;
3300         }else{
3301                 st=call->audiostream;
3302                 call->audio_muted=val;
3303         }
3304         if (st!=NULL){
3305                 audio_stream_set_mic_gain(st,
3306                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3307                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3308                         audio_stream_mute_rtp(st,val);
3309                 }
3310
3311         }
3312 }
3313 /**
3314  * Returns whether microphone is muted.
3315 **/
3316 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3317         LinphoneCall *call=linphone_core_get_current_call(lc);
3318         if (linphone_core_is_in_conference(lc)){
3319                 return lc->conf_ctx.local_muted;
3320         }else if (call==NULL){
3321                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3322                 return FALSE;
3323         }
3324         return call->audio_muted;
3325 }
3326
3327 // returns rtp transmission status for an active stream
3328 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3329 // was set on then rtp transmission is also muted
3330 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3331         LinphoneCall *call=linphone_core_get_current_call(lc);
3332         if (call==NULL){
3333                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3334                 return FALSE;
3335         }
3336         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3337                 return call->audio_muted;
3338         }
3339         return FALSE;
3340 }
3341
3342 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3343         lc->sound_conf.agc=val;
3344 }
3345
3346 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3347         return lc->sound_conf.agc;
3348 }
3349
3350 /**
3351  * Send the specified dtmf.
3352  *
3353  * @ingroup media_parameters
3354  * This function only works during calls. The dtmf is automatically played to the user.
3355  * @param lc The LinphoneCore object
3356  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3357  *
3358 **/
3359 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3360 {
3361         LinphoneCall *call=linphone_core_get_current_call(lc);
3362         if (call==NULL){
3363                 ms_warning("linphone_core_send_dtmf(): no active call");
3364                 return;
3365         }
3366         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3367         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3368         {
3369                 /* In Band DTMF */
3370                 if (call->audiostream!=NULL){
3371                         audio_stream_send_dtmf(call->audiostream,dtmf);
3372                 }
3373                 else
3374                 {
3375                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3376                 }
3377         }
3378         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3379                 /* Out of Band DTMF (use INFO method) */
3380                 sal_call_send_dtmf(call->op,dtmf);
3381         }
3382 }
3383
3384 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3385         if (lc->net_conf.stun_server!=NULL)
3386                 ms_free(lc->net_conf.stun_server);
3387         if (server)
3388                 lc->net_conf.stun_server=ms_strdup(server);
3389         else lc->net_conf.stun_server=NULL;
3390 }
3391
3392 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3393         return lc->net_conf.stun_server;
3394 }
3395
3396 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3397         return lc->net_conf.relay;
3398 }
3399
3400 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3401         if (lc->net_conf.relay!=NULL){
3402                 ms_free(lc->net_conf.relay);
3403                 lc->net_conf.relay=NULL;
3404         }
3405         if (addr){
3406                 lc->net_conf.relay=ms_strdup(addr);
3407         }
3408         return 0;
3409 }
3410
3411 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3412 {
3413         if (lc->net_conf.nat_address!=NULL){
3414                 ms_free(lc->net_conf.nat_address);
3415         }
3416         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3417         else lc->net_conf.nat_address=NULL;
3418         if (lc->sip_conf.contact) update_primary_contact(lc);
3419 }
3420
3421 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3422         return lc->net_conf.nat_address;
3423 }
3424
3425 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3426 {
3427         struct sockaddr_storage ss;
3428         socklen_t ss_len;
3429         int error;
3430         char ipstring [INET6_ADDRSTRLEN];
3431
3432         if (lc->net_conf.nat_address==NULL) return NULL;
3433
3434         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3435                 return lc->net_conf.nat_address;
3436         }
3437
3438         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3439                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3440         if (error) {
3441                 return lc->net_conf.nat_address;
3442         }
3443
3444         if (lc->net_conf.nat_address_ip!=NULL){
3445                 ms_free(lc->net_conf.nat_address_ip);
3446         }
3447         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3448         return lc->net_conf.nat_address_ip;
3449 }
3450
3451 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3452         lc->net_conf.firewall_policy=pol;
3453         if (lc->sip_conf.contact) update_primary_contact(lc);
3454 }
3455
3456 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3457         return lc->net_conf.firewall_policy;
3458 }
3459
3460 /**
3461  * Get the list of call logs (past calls).
3462  *
3463  * @ingroup call_logs
3464 **/
3465 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3466         lc->missed_calls=0;
3467         return lc->call_logs;
3468 }
3469
3470 /**
3471  * Erase the call log.
3472  *
3473  * @ingroup call_logs
3474 **/
3475 void linphone_core_clear_call_logs(LinphoneCore *lc){
3476         lc->missed_calls=0;
3477         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3478         lc->call_logs=ms_list_free(lc->call_logs);
3479         call_logs_write_to_config_file(lc);
3480 }
3481
3482 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3483 #ifdef VIDEO_ENABLED
3484         if (val){
3485                 if (lc->previewstream==NULL){
3486                         lc->previewstream=video_preview_new();
3487                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3488                         if (lc->video_conf.displaytype)
3489                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3490                         if (lc->preview_window_id!=0)
3491                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3492                         video_preview_start(lc->previewstream,lc->video_conf.device);
3493                 }
3494         }else{
3495                 if (lc->previewstream!=NULL){
3496                         video_preview_stop(lc->previewstream);
3497                         lc->previewstream=NULL;
3498                 }
3499         }
3500 #endif
3501 }
3502
3503 /**
3504  * Enables video globally.
3505  *
3506  * @ingroup media_parameters
3507  * This function does not have any effect during calls. It just indicates LinphoneCore to
3508  * initiate future calls with video or not. The two boolean parameters indicate in which
3509  * direction video is enabled. Setting both to false disables video entirely.
3510  *
3511  * @param lc The LinphoneCore object
3512  * @param vcap_enabled indicates whether video capture is enabled
3513  * @param display_enabled indicates whether video display should be shown
3514  *
3515 **/
3516 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3517 #ifndef VIDEO_ENABLED
3518         if (vcap_enabled || display_enabled)
3519                 ms_warning("This version of linphone was built without video support.");
3520 #endif
3521         lc->video_conf.capture=vcap_enabled;
3522         lc->video_conf.display=display_enabled;
3523
3524         /* need to re-apply network bandwidth settings*/
3525         linphone_core_set_download_bandwidth(lc,
3526                 linphone_core_get_download_bandwidth(lc));
3527         linphone_core_set_upload_bandwidth(lc,
3528                 linphone_core_get_upload_bandwidth(lc));
3529 }
3530
3531 bool_t linphone_core_video_supported(LinphoneCore *lc){
3532 #ifdef VIDEO_ENABLED
3533         return TRUE;
3534 #else
3535         return FALSE;
3536 #endif
3537 }
3538
3539 /**
3540  * Returns TRUE if video is enabled, FALSE otherwise.
3541  * @ingroup media_parameters
3542 **/
3543 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3544         return (lc->video_conf.display || lc->video_conf.capture);
3545 }
3546
3547 /**
3548  * Sets the default policy for video.
3549  * This policy defines whether:
3550  * - video shall be initiated by default for outgoing calls
3551  * - video shall be accepter by default for incoming calls
3552 **/
3553 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3554         lc->video_policy=*policy;
3555         if (linphone_core_ready(lc)){
3556                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3557                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3558         }
3559 }
3560
3561 /**
3562  * Get the default policy for video.
3563  * See linphone_core_set_video_policy() for more details.
3564 **/
3565 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3566         return &lc->video_policy;
3567 }
3568
3569 /**
3570  * Controls video preview enablement.
3571  *
3572  * @ingroup media_parameters
3573  * Video preview refers to the action of displaying the local webcam image
3574  * to the user while not in call.
3575 **/
3576 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3577         lc->video_conf.show_local=val;
3578 }
3579
3580 /**
3581  * Returns TRUE if video previewing is enabled.
3582  * @ingroup media_parameters
3583 **/
3584 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3585         return lc->video_conf.show_local;
3586 }
3587
3588 /**
3589  * Enables or disable self view during calls.
3590  *
3591  * @ingroup media_parameters
3592  * Self-view refers to having local webcam image inserted in corner
3593  * of the video window during calls.
3594  * This function works at any time, including during calls.
3595 **/
3596 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3597 #ifdef VIDEO_ENABLED
3598         LinphoneCall *call=linphone_core_get_current_call (lc);
3599         lc->video_conf.selfview=val;
3600         if (call && call->videostream){
3601                 video_stream_enable_self_view(call->videostream,val);
3602         }
3603 #endif
3604 }
3605
3606 /**
3607  * Returns TRUE if self-view is enabled, FALSE otherwise.
3608  *
3609  * @ingroup media_parameters
3610  *
3611  * Refer to linphone_core_enable_self_view() for details.
3612 **/
3613 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3614         return lc->video_conf.selfview;
3615 }
3616
3617 /**
3618  * Sets the active video device.
3619  *
3620  * @ingroup media_parameters
3621  * @param lc The LinphoneCore object
3622  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3623 **/
3624 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3625         MSWebCam *olddev=lc->video_conf.device;
3626         const char *vd;
3627         if (id!=NULL){
3628                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3629                 if (lc->video_conf.device==NULL){
3630                         ms_warning("Could not found video device %s",id);
3631                 }
3632         }
3633         if (lc->video_conf.device==NULL)
3634                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3635         if (olddev!=NULL && olddev!=lc->video_conf.device){
3636                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3637         }
3638         if ( linphone_core_ready(lc) && lc->video_conf.device){
3639                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3640                 if (vd && strstr(vd,"Static picture")!=NULL){
3641                         vd=NULL;
3642                 }
3643                 lp_config_set_string(lc->config,"video","device",vd);
3644         }
3645         return 0;
3646 }
3647
3648 /**
3649  * Returns the name of the currently active video device.
3650  *
3651  * @param lc The LinphoneCore object
3652  * @ingroup media_parameters
3653 **/
3654 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3655         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3656         return NULL;
3657 }
3658
3659 #ifdef VIDEO_ENABLED
3660 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3661         VideoStream *vs = NULL;
3662         LinphoneCall *call=linphone_core_get_current_call (lc);
3663         /* Select the video stream from the call in the first place */
3664         if (call && call->videostream) {
3665                 vs = call->videostream;
3666         }
3667         /* If not in call, select the video stream from the preview */
3668         if (vs == NULL && lc->previewstream) {
3669                 vs = lc->previewstream;
3670         }
3671         return vs;
3672 }
3673 #endif
3674
3675 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3676 #ifdef VIDEO_ENABLED
3677         VideoStream *vs=get_active_video_stream(lc);
3678         /* If we have a video stream (either preview, either from call), we
3679                  have a source and it is using the static picture filter, then
3680                  force the filter to use that picture. */
3681         if (vs && vs->source) {
3682                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3683                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3684                                                                                                                 (void *)path);
3685                 }
3686         }
3687         /* Tell the static image filter to use that image from now on so
3688                  that the image will be used next time it has to be read */
3689         ms_static_image_set_default_image(path);
3690 #else
3691         ms_warning("Video support not compiled.");
3692 #endif
3693         return 0;
3694 }
3695
3696 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3697 #ifdef VIDEO_ENABLED
3698         VideoStream *vs = NULL;
3699
3700         vs=get_active_video_stream(lc);
3701
3702         /* If we have a video stream (either preview, either from call), we
3703                  have a source and it is using the static picture filter, then
3704                  force the filter to use that picture. */
3705         if (vs && vs->source) {
3706                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3707                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3708                 }
3709         }
3710 #else
3711         ms_warning("Video support not compiled.");
3712 #endif
3713         return 0;
3714 }
3715
3716 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
3717 #ifdef VIDEO_ENABLED
3718         VideoStream *vs = NULL;
3719         vs=get_active_video_stream(lc);
3720         /* If we have a video stream (either preview, either from call), we
3721                  have a source and it is using the static picture filter, then
3722                  force the filter to use that picture. */
3723         if (vs && vs->source) {
3724                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3725
3726                         float fps;
3727
3728                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
3729                         return fps;
3730                 }
3731         }
3732 #else
3733         ms_warning("Video support not compiled.");
3734 #endif
3735         return 0;
3736 }
3737
3738 /**
3739  * Returns the native window handle of the video window, casted as an unsigned long.
3740  *
3741  * @ingroup media_parameters
3742 **/
3743 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3744 #ifdef VIDEO_ENABLED
3745         LinphoneCall *call=linphone_core_get_current_call (lc);
3746         if (call && call->videostream)
3747                 return video_stream_get_native_window_id(call->videostream);
3748         if (lc->previewstream)
3749                 return video_stream_get_native_window_id(lc->previewstream);
3750 #endif
3751         return lc->video_window_id;
3752 }
3753
3754 /**@ingroup media_parameters
3755  * Set the native video window id where the video is to be displayed.
3756  * If not set the core will create its own window.
3757 **/
3758 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
3759 #ifdef VIDEO_ENABLED
3760         LinphoneCall *call=linphone_core_get_current_call(lc);
3761         lc->video_window_id=id;
3762         if (call!=NULL && call->videostream){
3763                 video_stream_set_native_window_id(call->videostream,id);
3764         }
3765 #endif
3766 }
3767
3768 /**
3769  * Returns the native window handle of the video preview window, casted as an unsigned long.
3770  *
3771  * @ingroup media_parameters
3772 **/
3773 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
3774 #ifdef VIDEO_ENABLED
3775         LinphoneCall *call=linphone_core_get_current_call (lc);
3776         if (call && call->videostream)
3777                 return video_stream_get_native_preview_window_id(call->videostream);
3778         if (lc->previewstream)
3779                 return video_preview_get_native_window_id(lc->previewstream);
3780 #endif
3781         return lc->preview_window_id;
3782 }
3783
3784 /**
3785  * @ingroup media_parameters
3786  * Set the native window id where the preview video (local camera) is to be displayed.
3787  * This has to be used in conjonction with linphone_core_use_preview_window().
3788  * If not set the core will create its own window.
3789 **/
3790 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
3791         lc->preview_window_id=id;
3792 #ifdef VIDEO_ENABLED
3793         LinphoneCall *call=linphone_core_get_current_call(lc);
3794         if (call!=NULL && call->videostream){
3795                 video_stream_set_native_preview_window_id(call->videostream,id);
3796         }
3797 #endif
3798 }
3799
3800 /**
3801  * Can be used to disable video showing to free XV port
3802 **/
3803 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
3804 #ifdef VIDEO_ENABLED
3805         ms_error("linphone_core_show_video %d", show);
3806         LinphoneCall *call=linphone_core_get_current_call(lc);
3807         if (call!=NULL && call->videostream){
3808                 video_stream_show_video(call->videostream,show);
3809         }
3810 #endif
3811 }
3812
3813 /**
3814  * Tells the core to use a separate window for local camera preview video, instead of
3815  * inserting local view within the remote video window.
3816  *
3817 **/
3818 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
3819         lc->use_preview_window=yesno;
3820 }
3821 /**
3822  * @ingroup media_parameters
3823  *returns current device orientation
3824  */
3825 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
3826         return lc->device_rotation;
3827 }
3828 /**
3829  * @ingroup media_parameters
3830  * Tells the core the device current orientation. This can be used by capture filters
3831  * on mobile devices to select between portrait/landscape mode and to produce properly
3832  * oriented images. The exact meaning of the value in rotation if left to each device
3833  * specific implementations.
3834  *@param lc  object.
3835  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
3836  *
3837 **/
3838 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
3839 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
3840         lc->device_rotation = rotation;
3841 #ifdef VIDEO_ENABLED
3842         LinphoneCall *call=linphone_core_get_current_call(lc);
3843         if (call!=NULL && call->videostream){
3844                 video_stream_set_device_rotation(call->videostream,rotation);
3845         }
3846 #endif
3847 }
3848
3849 static MSVideoSizeDef supported_resolutions[]={
3850 #ifdef ENABLE_HD
3851         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
3852         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
3853 #endif
3854         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
3855         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
3856         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
3857         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
3858         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
3859         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
3860         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
3861         {       {0,0}                   ,       NULL    }
3862 };
3863
3864 /**
3865  * Returns the zero terminated table of supported video resolutions.
3866  *
3867  * @ingroup media_parameters
3868 **/
3869 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
3870         return supported_resolutions;
3871 }
3872
3873 static MSVideoSize video_size_get_by_name(const char *name){
3874         MSVideoSizeDef *pdef=supported_resolutions;
3875         MSVideoSize null_vsize={0,0};
3876         for(;pdef->name!=NULL;pdef++){
3877                 if (strcasecmp(name,pdef->name)==0){
3878                         return pdef->vsize;
3879                 }
3880         }
3881         ms_warning("Video resolution %s is not supported in linphone.",name);
3882         return null_vsize;
3883 }
3884
3885 static const char *video_size_get_name(MSVideoSize vsize){
3886         MSVideoSizeDef *pdef=supported_resolutions;
3887         for(;pdef->name!=NULL;pdef++){
3888                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
3889                         return pdef->name;
3890                 }
3891         }
3892         return NULL;
3893 }
3894
3895 static bool_t video_size_supported(MSVideoSize vsize){
3896         if (video_size_get_name(vsize)) return TRUE;
3897         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
3898         return FALSE;
3899 }
3900
3901 /**
3902  * Sets the preferred video size.
3903  *
3904  * @ingroup media_parameters
3905  * This applies only to the stream that is captured and sent to the remote party,
3906  * since we accept all standard video size on the receive path.
3907 **/
3908 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
3909         if (video_size_supported(vsize)){
3910                 MSVideoSize oldvsize=lc->video_conf.vsize;
3911                 lc->video_conf.vsize=vsize;
3912                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
3913                         toggle_video_preview(lc,FALSE);
3914                         toggle_video_preview(lc,TRUE);
3915                 }
3916                 if ( linphone_core_ready(lc))
3917                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
3918         }
3919 }
3920
3921 /**
3922  * Sets the preferred video size by its name.
3923  *
3924  * @ingroup media_parameters
3925  * This is identical to linphone_core_set_preferred_video_size() except
3926  * that it takes the name of the video resolution as input.
3927  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
3928 **/
3929 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
3930         MSVideoSize vsize=video_size_get_by_name(name);
3931         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
3932         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
3933         else linphone_core_set_preferred_video_size(lc,default_vsize);
3934 }
3935
3936 /**
3937  * Returns the current preferred video size for sending.
3938  *
3939  * @ingroup media_parameters
3940 **/
3941 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
3942         return lc->video_conf.vsize;
3943 }
3944
3945 /**
3946  * Ask the core to stream audio from and to files, instead of using the soundcard.
3947 **/
3948 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
3949         lc->use_files=yesno;
3950 }
3951
3952 /**
3953  * Sets a wav file to be played when putting somebody on hold,
3954  * or when files are used instead of soundcards (see linphone_core_use_files()).
3955  *
3956  * The file must be a 16 bit linear wav file.
3957 **/
3958 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
3959         LinphoneCall *call=linphone_core_get_current_call(lc);
3960         if (lc->play_file!=NULL){
3961                 ms_free(lc->play_file);
3962                 lc->play_file=NULL;
3963         }
3964         if (file!=NULL) {
3965                 lc->play_file=ms_strdup(file);
3966                 if (call && call->audiostream && call->audiostream->ticker)
3967                         audio_stream_play(call->audiostream,file);
3968         }
3969 }
3970
3971
3972 /**
3973  * Sets a wav file where incoming stream is to be recorded,
3974  * when files are used instead of soundcards (see linphone_core_use_files()).
3975  *
3976  * The file must be a 16 bit linear wav file.
3977 **/
3978 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
3979         LinphoneCall *call=linphone_core_get_current_call(lc);
3980         if (lc->rec_file!=NULL){
3981                 ms_free(lc->rec_file);
3982                 lc->rec_file=NULL;
3983         }
3984         if (file!=NULL) {
3985                 lc->rec_file=ms_strdup(file);
3986                 if (call && call->audiostream)
3987                         audio_stream_record(call->audiostream,file);
3988         }
3989 }
3990
3991
3992 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
3993         LinphoneCall *call=linphone_core_get_current_call (lc);
3994         AudioStream *stream=NULL;
3995         if (call){
3996                 stream=call->audiostream;
3997         }else if (linphone_core_is_in_conference(lc)){
3998                 stream=lc->conf_ctx.local_participant;
3999         }
4000         if (stream){
4001                 return stream->dtmfgen;
4002         }
4003         if (lc->ringstream==NULL){
4004                 float amp=0.1;
4005                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4006                 if (ringcard == NULL)
4007                         return NULL;
4008
4009                 lc->ringstream=ring_start(NULL,0,ringcard);
4010                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4011                 lc->dmfs_playing_start_time=time(NULL);
4012         }else{
4013                 if (lc->dmfs_playing_start_time!=0)
4014                         lc->dmfs_playing_start_time=time(NULL);
4015         }
4016         return lc->ringstream->gendtmf;
4017 }
4018
4019 /**
4020  * @ingroup media_parameters
4021  * Plays a dtmf sound to the local user.
4022  * @param lc #LinphoneCore
4023  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4024  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4025 **/
4026 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4027         MSFilter *f=get_dtmf_gen(lc);
4028         if (f==NULL){
4029                 ms_error("No dtmf generator at this time !");
4030                 return;
4031         }
4032
4033         if (duration_ms>0)
4034                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4035         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4036 }
4037
4038 /**
4039  * @ingroup media_parameters
4040  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4041  * @param lc #LinphoneCore
4042 **/
4043 void linphone_core_play_tone(LinphoneCore *lc){
4044         MSFilter *f=get_dtmf_gen(lc);
4045         MSDtmfGenCustomTone def;
4046         if (f==NULL){
4047                 ms_error("No dtmf generator at this time !");
4048                 return;
4049         }
4050         def.duration=300;
4051         def.frequency=500;
4052         def.amplitude=1;
4053         def.interval=2000;
4054         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4055 }
4056
4057 /**
4058  * @ingroup media_parameters
4059  *
4060  * Stops playing a dtmf started by linphone_core_play_dtmf().
4061 **/
4062 void linphone_core_stop_dtmf(LinphoneCore *lc){
4063         MSFilter *f=get_dtmf_gen(lc);
4064         if (f!=NULL)
4065                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4066 }
4067
4068
4069
4070 /**
4071  * Retrieves the user pointer that was given to linphone_core_new()
4072  *
4073  * @ingroup initializing
4074 **/
4075 void *linphone_core_get_user_data(LinphoneCore *lc){
4076         return lc->data;
4077 }
4078
4079 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4080         lc->data=userdata;
4081 }
4082
4083 int linphone_core_get_mtu(const LinphoneCore *lc){
4084         return lc->net_conf.mtu;
4085 }
4086
4087 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4088         lc->net_conf.mtu=mtu;
4089         if (mtu>0){
4090                 if (mtu<500){
4091                         ms_error("MTU too small !");
4092                         mtu=500;
4093                 }
4094                 ms_set_mtu(mtu);
4095                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4096         }else ms_set_mtu(0);//use mediastreamer2 default value
4097 }
4098
4099 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4100         lc->wait_cb=cb;
4101         lc->wait_ctx=user_context;
4102 }
4103
4104 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4105         if (lc->wait_cb){
4106                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4107         }
4108 }
4109
4110 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4111         if (lc->wait_cb){
4112                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4113         }else{
4114 #ifdef WIN32
4115                 Sleep(50000);
4116 #else
4117                 usleep(50000);
4118 #endif
4119         }
4120 }
4121
4122 void linphone_core_stop_waiting(LinphoneCore *lc){
4123         if (lc->wait_cb){
4124                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4125         }
4126 }
4127
4128 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4129         lc->rtptf=factories;
4130 }
4131
4132 /**
4133  * Retrieve RTP statistics regarding current call.
4134  * @param local RTP statistics computed locally.
4135  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4136  *
4137  * @note Remote RTP statistics is not implemented yet.
4138  *
4139  * @returns 0 or -1 if no call is running.
4140 **/
4141
4142 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4143         LinphoneCall *call=linphone_core_get_current_call (lc);
4144         if (call!=NULL){
4145                 if (call->audiostream!=NULL){
4146                         memset(remote,0,sizeof(*remote));
4147                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4148                         return 0;
4149                 }
4150         }
4151         return -1;
4152 }
4153
4154 void net_config_uninit(LinphoneCore *lc)
4155 {
4156         net_config_t *config=&lc->net_conf;
4157
4158         if (config->stun_server!=NULL){
4159                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
4160                 ms_free(lc->net_conf.stun_server);
4161         }
4162         if (config->nat_address!=NULL){
4163                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4164                 ms_free(lc->net_conf.nat_address);
4165         }
4166         if (lc->net_conf.nat_address_ip !=NULL){
4167                 ms_free(lc->net_conf.nat_address_ip);
4168         }
4169         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
4170         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4171 }
4172
4173
4174 void sip_config_uninit(LinphoneCore *lc)
4175 {
4176         MSList *elem;
4177         int i;
4178         sip_config_t *config=&lc->sip_conf;
4179
4180         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4181         lp_config_set_string(lc->config,"sip","contact",config->contact);
4182         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4183         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4184         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4185         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4186         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4187
4188
4189
4190
4191         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4192                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4193                 linphone_proxy_config_edit(cfg);        /* to unregister */
4194         }
4195
4196         for (i=0;i<20;i++){
4197                 sal_iterate(lc->sal);
4198 #ifndef WIN32
4199                 usleep(100000);
4200 #else
4201                 Sleep(100);
4202 #endif
4203         }
4204
4205         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4206         ms_list_free(config->proxies);
4207         config->proxies=NULL;
4208
4209         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4210
4211         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4212         ms_list_free(lc->auth_info);
4213         lc->auth_info=NULL;
4214
4215         sal_uninit(lc->sal);
4216         lc->sal=NULL;
4217
4218         if (lc->sip_conf.guessed_contact)
4219                 ms_free(lc->sip_conf.guessed_contact);
4220         if (config->contact)
4221                 ms_free(config->contact);
4222
4223 }
4224
4225 void rtp_config_uninit(LinphoneCore *lc)
4226 {
4227         rtp_config_t *config=&lc->rtp_conf;
4228         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4229         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4230         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4231         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4232         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4233 }
4234
4235 void sound_config_uninit(LinphoneCore *lc)
4236 {
4237         sound_config_t *config=&lc->sound_conf;
4238         ms_free(config->cards);
4239
4240         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4241
4242         if (config->local_ring) ms_free(config->local_ring);
4243         if (config->remote_ring) ms_free(config->remote_ring);
4244         ms_snd_card_manager_destroy();
4245 }
4246
4247 void video_config_uninit(LinphoneCore *lc)
4248 {
4249         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4250         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4251         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4252         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
4253         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
4254         if (lc->video_conf.cams)
4255                 ms_free(lc->video_conf.cams);
4256 }
4257
4258 void codecs_config_uninit(LinphoneCore *lc)
4259 {
4260         PayloadType *pt;
4261         codecs_config_t *config=&lc->codecs_conf;
4262         MSList *node;
4263         char key[50];
4264         int index;
4265         index=0;
4266         for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4267                 pt=(PayloadType*)(node->data);
4268                 sprintf(key,"audio_codec_%i",index);
4269                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4270                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4271                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4272                 index++;
4273         }
4274         sprintf(key,"audio_codec_%i",index);
4275         lp_config_clean_section (lc->config,key);
4276
4277         index=0;
4278         for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4279                 pt=(PayloadType*)(node->data);
4280                 sprintf(key,"video_codec_%i",index);
4281                 lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4282                 lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4283                 lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4284                 lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4285                 index++;
4286         }
4287         sprintf(key,"video_codec_%i",index);
4288         lp_config_clean_section (lc->config,key);
4289
4290         ms_list_free(lc->codecs_conf.audio_codecs);
4291         ms_list_free(lc->codecs_conf.video_codecs);
4292 }
4293
4294 void ui_config_uninit(LinphoneCore* lc)
4295 {
4296         if (lc->friends){
4297                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4298                 ms_list_free(lc->friends);
4299                 lc->friends=NULL;
4300         }
4301 }
4302
4303 /**
4304  * Returns the LpConfig object used to manage the storage (config) file.
4305  *
4306  * @ingroup misc
4307  * The application can use the LpConfig object to insert its own private
4308  * sections and pairs of key=value in the configuration file.
4309  *
4310 **/
4311 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4312         return lc->config;
4313 }
4314
4315 static void linphone_core_uninit(LinphoneCore *lc)
4316 {
4317         linphone_core_free_hooks(lc);
4318         while(lc->calls)
4319         {
4320                 LinphoneCall *the_call = lc->calls->data;
4321                 linphone_core_terminate_call(lc,the_call);
4322                 linphone_core_iterate(lc);
4323 #ifdef WIN32
4324                 Sleep(50000);
4325 #else
4326                 usleep(50000);
4327 #endif
4328         }
4329         if (lc->friends)
4330                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4331         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4332 #ifdef VIDEO_ENABLED
4333         if (lc->previewstream!=NULL){
4334                 video_preview_stop(lc->previewstream);
4335                 lc->previewstream=NULL;
4336         }
4337 #endif
4338         ms_event_queue_destroy(lc->msevq);
4339         lc->msevq=NULL;
4340         /* save all config */
4341         net_config_uninit(lc);
4342         rtp_config_uninit(lc);
4343         if (lc->ringstream) ring_stop(lc->ringstream);
4344         sound_config_uninit(lc);
4345         video_config_uninit(lc);
4346         codecs_config_uninit(lc);
4347         ui_config_uninit(lc);
4348         sip_config_uninit(lc);
4349         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4350         lp_config_destroy(lc->config);
4351         lc->config = NULL; /* Mark the config as NULL to block further calls */
4352         sip_setup_unregister_all();
4353
4354         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4355         lc->call_logs=ms_list_free(lc->call_logs);
4356
4357         linphone_core_free_payload_types(lc);
4358         ortp_exit();
4359         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4360 #ifdef TUNNEL_ENABLED
4361         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4362 #endif
4363 }
4364
4365 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4366         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4367         // second get the list of available proxies
4368         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4369         for(;elem!=NULL;elem=elem->next){
4370                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4371                 if (linphone_proxy_config_register_enabled(cfg) ) {
4372                         if (!isReachable) {
4373                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4374                         }else{
4375                                 cfg->commit=TRUE;
4376                         }
4377                 }
4378         }
4379         lc->netup_time=curtime;
4380         lc->network_reachable=isReachable;
4381         if(!isReachable) {
4382                 sal_unlisten_ports (lc->sal);
4383         } else {
4384                 apply_transports(lc);
4385         }
4386
4387 }
4388
4389 void linphone_core_refresh_registers(LinphoneCore* lc) {
4390         const MSList *elem;
4391         if (!lc->network_reachable) {
4392                 ms_warning("Refresh register operation not available (network unreachable)");
4393                 return;
4394         }
4395         elem=linphone_core_get_proxy_config_list(lc);
4396         for(;elem!=NULL;elem=elem->next){
4397                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4398                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4399                         linphone_proxy_config_refresh_register(cfg);
4400                 }
4401         }
4402 }
4403
4404 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4405         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4406         for(;elem!=NULL;elem=elem->next){
4407                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4408                 if (linphone_proxy_config_register_enabled(cfg)) {
4409                         linphone_proxy_config_edit(cfg);
4410                         linphone_proxy_config_done(cfg);
4411                 }
4412         }
4413 }
4414
4415 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4416         //first disable automatic mode
4417         if (lc->auto_net_state_mon) {
4418                 ms_message("Disabling automatic network state monitoring");
4419                 lc->auto_net_state_mon=FALSE;
4420         }
4421         set_network_reachable(lc,isReachable, ms_time(NULL));
4422 }
4423
4424 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
4425         return lc->network_reachable;
4426 }
4427 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4428         return sal_get_socket(lc->sal);
4429 }
4430 /**
4431  * Destroys a LinphoneCore
4432  *
4433  * @ingroup initializing
4434 **/
4435 void linphone_core_destroy(LinphoneCore *lc){
4436         linphone_core_uninit(lc);
4437         ms_free(lc);
4438 }
4439 /**
4440  * Get the number of Call
4441  *
4442  * @ingroup call_control
4443 **/
4444 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4445         return  ms_list_size(lc->calls);;
4446 }
4447
4448 /**
4449  * Check if we do not have exceed the number of simultaneous call
4450  *
4451  * @ingroup call_control
4452 **/
4453 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4454 {
4455         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4456                 return TRUE;
4457         ms_message("Maximum amount of simultaneous calls reached !");
4458         return FALSE;
4459 }
4460
4461
4462 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4463 {
4464         if(linphone_core_can_we_add_call(lc))
4465         {
4466                 lc->calls = ms_list_append(lc->calls,call);
4467                 return 0;
4468         }
4469         return -1;
4470 }
4471
4472 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4473 {
4474         MSList *it;
4475         MSList *the_calls = lc->calls;
4476
4477         it=ms_list_find(the_calls,call);
4478         if (it)
4479         {
4480                 the_calls = ms_list_remove_link(the_calls,it);
4481         }
4482         else
4483         {
4484                 ms_warning("could not find the call into the list\n");
4485                 return -1;
4486         }
4487         lc->calls = the_calls;
4488         return 0;
4489 }
4490
4491 /**
4492  * Specifiies a ring back tone to be played to far end during incoming calls.
4493 **/
4494 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4495         if (lc->sound_conf.ringback_tone){
4496                 ms_free(lc->sound_conf.ringback_tone);
4497                 lc->sound_conf.ringback_tone=NULL;
4498         }
4499         if (file)
4500                 lc->sound_conf.ringback_tone=ms_strdup(file);
4501 }
4502
4503 /**
4504  * Returns the ring back tone played to far end during incoming calls.
4505 **/
4506 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4507         return lc->sound_conf.ringback_tone;
4508 }
4509
4510 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
4511         const MSList *elem;
4512         for(elem=from;elem!=NULL;elem=elem->next){
4513                 PayloadType *pt=(PayloadType*)elem->data;
4514                 if ((strcmp((char*)type, payload_type_get_mime(pt)) == 0) && (rate == -1 || rate==pt->clock_rate)) {
4515                         return pt;
4516                 }
4517         }
4518         return NULL;
4519 }
4520
4521 /**
4522  * Get payload type  from mime type and clock rate
4523  * @ingroup media_parameters
4524  * This function searches in audio and video codecs for the given payload type name and clockrate.
4525  * Returns NULL if not found.
4526  */
4527 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
4528         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
4529         if (result)  {
4530                 return result;
4531         } else {
4532                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
4533                 if (result) {
4534                         return result;
4535                 }
4536         }
4537         /*not found*/
4538         return NULL;
4539 }
4540
4541 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4542         switch(gs){
4543                 case LinphoneGlobalOff:
4544                         return "LinphoneGlobalOff";
4545                 break;
4546                 case LinphoneGlobalOn:
4547                         return "LinphoneGlobalOn";
4548                 break;
4549                 case LinphoneGlobalStartup:
4550                         return "LinphoneGlobalStartup";
4551                 break;
4552                 case LinphoneGlobalShutdown:
4553                         return "LinphoneGlobalShutdown";
4554                 break;
4555         }
4556         return NULL;
4557 }
4558
4559 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4560         return lc->state;
4561 }
4562
4563 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4564         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4565         linphone_core_init_default_params(lc, p);
4566         return p;
4567 }
4568
4569 const char *linphone_reason_to_string(LinphoneReason err){
4570         switch(err){
4571                 case LinphoneReasonNone:
4572                         return "No error";
4573                 case LinphoneReasonNoResponse:
4574                         return "No response";
4575                 case LinphoneReasonBadCredentials:
4576                         return "Bad credentials";
4577                 case LinphoneReasonDeclined:
4578                         return "Call declined";
4579                 case LinphoneReasonNotFound:
4580                         return "User not found";
4581         }
4582         return "unknown error";
4583 }
4584
4585 const char *linphone_error_to_string(LinphoneReason err){
4586         return linphone_reason_to_string(err);
4587 }
4588 /**
4589  * Enables signaling keep alive
4590  */
4591 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4592         if (enable > 0) {
4593                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4594         } else {
4595                 sal_set_keepalive_period(lc->sal,0);
4596         }
4597 }
4598 /**
4599  * Is signaling keep alive enabled
4600  */
4601 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4602         return sal_get_keepalive_period(lc->sal) > 0;
4603 }
4604
4605 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4606         get_dtmf_gen(lc); /*make sure ring stream is started*/
4607         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4608 }
4609
4610 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4611         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
4612                 ring_stop(lc->ringstream);
4613                 lc->ringstream=NULL;
4614         }
4615 }
4616
4617 int linphone_core_get_max_calls(LinphoneCore *lc) {
4618         return lc->max_calls;
4619 }
4620 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4621         lc->max_calls=max;
4622 }
4623
4624 typedef struct Hook{
4625         LinphoneCoreIterateHook fun;
4626         void *data;
4627 }Hook;
4628
4629 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4630         Hook *h=ms_new(Hook,1);
4631         h->fun=hook;
4632         h->data=hook_data;
4633         return h;
4634 }
4635
4636 static void hook_invoke(Hook *h){
4637         h->fun(h->data);
4638 }
4639
4640 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4641         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4642 }
4643
4644 static void linphone_core_run_hooks(LinphoneCore *lc){
4645         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4646 }
4647
4648 static void linphone_core_free_hooks(LinphoneCore *lc){
4649         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4650         ms_list_free(lc->hooks);
4651         lc->hooks=NULL;
4652 }
4653
4654 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4655         MSList *elem;
4656         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4657                 Hook *h=(Hook*)elem->data;
4658                 if (h->fun==hook && h->data==hook_data){
4659                         ms_list_remove_link(lc->hooks,elem);
4660                         ms_free(h);
4661                         return;
4662                 }
4663         }
4664         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4665 }
4666
4667 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
4668         if (lc->zrtp_secrets_cache != NULL) {
4669                 ms_free(lc->zrtp_secrets_cache);
4670         }
4671         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
4672 }
4673
4674 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
4675         if (uri == NULL) return NULL;
4676         MSList *calls=lc->calls;
4677         while(calls) {
4678                 const LinphoneCall *c=(LinphoneCall*)calls->data;
4679                 calls=calls->next;
4680                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
4681                 char *current_uri=linphone_address_as_string_uri_only(address);
4682                 if (strcmp(uri,current_uri)==0) {
4683                         ms_free(current_uri);
4684                         return c;
4685                 } else {
4686                         ms_free(current_uri);
4687                 }
4688         }
4689         return NULL;
4690 }
4691
4692
4693 /**
4694  * Check if a call will need the sound resources.
4695  *
4696  * @ingroup call_control
4697  * @param lc The LinphoneCore
4698 **/
4699 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
4700         MSList *calls=lc->calls;
4701         while(calls) {
4702                 LinphoneCall *c=(LinphoneCall*)calls->data;
4703                 calls=calls->next;
4704                 switch (c->state) {
4705                         case LinphoneCallOutgoingInit:
4706                         case LinphoneCallOutgoingProgress:
4707                         case LinphoneCallOutgoingRinging:
4708                         case LinphoneCallOutgoingEarlyMedia:
4709                         case LinphoneCallConnected:
4710                         case LinphoneCallRefered:
4711                         case LinphoneCallIncomingEarlyMedia:
4712                         case LinphoneCallUpdated:
4713                                 return TRUE;
4714                         default:
4715                                 break;
4716                 }
4717         }
4718         return FALSE;
4719 }
4720
4721 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
4722         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
4723 }
4724
4725 /**
4726  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
4727 **/
4728 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
4729         switch(menc){
4730                 case LinphoneMediaEncryptionSRTP:
4731                         return ortp_srtp_supported();
4732                 case LinphoneMediaEncryptionZRTP:
4733                         return ortp_zrtp_available();
4734                 case LinphoneMediaEncryptionNone:
4735                         return TRUE;
4736         }
4737         return FALSE;
4738 }
4739
4740 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
4741         const char *type="none";
4742         int ret=0;
4743         if (menc == LinphoneMediaEncryptionSRTP){
4744                 if (!ortp_srtp_supported()){
4745                         ms_warning("SRTP not supported by library.");
4746                         type="none";
4747                         ret=-1;
4748                 }else type="srtp";
4749         }else if (menc == LinphoneMediaEncryptionZRTP){
4750                 if (!ortp_zrtp_available()){
4751                         ms_warning("ZRTP not supported by library.");
4752                         type="none";
4753                         ret=-1;
4754                 }else type="zrtp";
4755         }
4756         lp_config_set_string(lc->config,"sip","media_encryption",type);
4757         return ret;
4758 }
4759
4760 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
4761         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
4762
4763         if (menc == NULL)
4764                 return LinphoneMediaEncryptionNone;
4765         else if (strcmp(menc, "srtp")==0)
4766                 return LinphoneMediaEncryptionSRTP;
4767         else if (strcmp(menc, "zrtp")==0)
4768                 return LinphoneMediaEncryptionZRTP;
4769         else
4770                 return LinphoneMediaEncryptionNone;
4771 }
4772
4773 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
4774         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
4775 }
4776
4777 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
4778         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
4779 }
4780
4781 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
4782         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
4783         params->media_encryption=linphone_core_get_media_encryption(lc);
4784         params->in_conference=FALSE;
4785 }
4786
4787 void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
4788         VideoStream* vstream = call->videostream;
4789         if (vstream) {
4790                 float zoom[3];
4791
4792                 if (zoom_factor < 1)
4793                         zoom_factor = 1;
4794                 float halfsize = 0.5 * 1.0 / zoom_factor;
4795
4796                 if ((*cx - halfsize) < 0)
4797                         *cx = 0 + halfsize;
4798                 if ((*cx + halfsize) > 1)
4799                         *cx = 1 - halfsize;
4800                 if ((*cy - halfsize) < 0)
4801                         *cy = 0 + halfsize;
4802                 if ((*cy + halfsize) > 1)
4803                         *cy = 1 - halfsize;
4804
4805                 zoom[0] = zoom_factor;
4806                 zoom[1] = *cx;
4807                 zoom[2] = *cy;
4808                 ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
4809         }else ms_warning("Could not apply zoom: video output wasn't activated.");
4810 }
4811