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

   1 /*
   2 linphone
   3 Copyright (C) 2000  Simon MORLAT (simon.morlat@linphone.org)
   4
   5 This program is free software; you can redistribute it and/or
   6 modify it under the terms of the GNU General Public License
   7 as published by the Free Software Foundation; either version 2
   8 of the License, or (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18 */
  19
  20 #define _GNU_SOURCE
  21
  22 #include "linphonecore.h"
  23 #include "sipsetup.h"
  24 #include "lpconfig.h"
  25 #include "private.h"
  26
  27 #include <ortp/telephonyevents.h>
  28 #include <ortp/zrtp.h>
  29 #include "mediastreamer2/mediastream.h"
  30 #include "mediastreamer2/mseventqueue.h"
  31 #include "mediastreamer2/msvolume.h"
  32 #include "mediastreamer2/msequalizer.h"
  33 #include "mediastreamer2/dtmfgen.h"
  34
  35 #ifdef INET6
  36 #ifndef WIN32
  37 #include <netdb.h>
  38 #endif
  39 #endif
  40
  41 #ifdef HAVE_CONFIG_H
  42 #include "config.h"
  43 #endif
  44
  45 /*#define UNSTANDART_GSM_11K 1*/
  46
  47 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  48
  49 static const char *liblinphone_version=LIBLINPHONE_VERSION;
  50 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  51 static void linphone_core_run_hooks(LinphoneCore *lc);
  52 static void linphone_core_free_hooks(LinphoneCore *lc);
  53
  54 #include "enum.h"
  55 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  56 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  57 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  58
  59 /* relative path where is stored local ring*/
  60 #define LOCAL_RING "rings/oldphone.wav"
  61 /* same for remote ring (ringback)*/
  62 #define REMOTE_RING "ringback.wav"
  63 #define HOLD_MUSIC "rings/toy-mono.wav"
  64
  65
  66 extern SalCallbacks linphone_sal_callbacks;
  67
  68 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  69 {
  70   obj->_func=func;
  71   obj->_user_data=ud;
  72 }
  73
  74 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  75         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  76         return 0;
  77 }
  78
  79
  80 /*prevent a gcc bug with %c*/
  81 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  82 #if !defined(_WIN32_WCE)
  83         return strftime(s, max, fmt, tm);
  84 #else
  85         return 0;
  86         /*FIXME*/
  87 #endif /*_WIN32_WCE*/
  88 }
  89
  90 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
  91         struct tm loctime;
  92 #ifdef WIN32
  93 #if !defined(_WIN32_WCE)
  94         loctime=*localtime(&start_time);
  95         /*FIXME*/
  96 #endif /*_WIN32_WCE*/
  97 #else
  98         localtime_r(&start_time,&loctime);
  99 #endif
 100         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 101 }
 102
 103 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 104         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 105         cl->dir=call->dir;
 106         cl->start_date_time=call->start_time;
 107         set_call_log_date(cl,cl->start_date_time);
 108         cl->from=from;
 109         cl->to=to;
 110     cl->status=LinphoneCallAborted; /*default status*/
 111         return cl;
 112 }
 113
 114 void call_logs_write_to_config_file(LinphoneCore *lc){
 115         MSList *elem;
 116         char logsection[32];
 117         int i;
 118         char *tmp;
 119         LpConfig *cfg=lc->config;
 120
 121         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 122
 123         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 124                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 125                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 126                 lp_config_clean_section(cfg,logsection);
 127                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 128                 lp_config_set_int(cfg,logsection,"status",cl->status);
 129                 tmp=linphone_address_as_string(cl->from);
 130                 lp_config_set_string(cfg,logsection,"from",tmp);
 131                 ms_free(tmp);
 132                 tmp=linphone_address_as_string(cl->to);
 133                 lp_config_set_string(cfg,logsection,"to",tmp);
 134                 ms_free(tmp);
 135                 if (cl->start_date_time)
 136                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 137                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 138                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 139                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 140                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 141                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 142         }
 143         for(;i<lc->max_call_logs;++i){
 144                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 145                 lp_config_clean_section(cfg,logsection);
 146         }
 147 }
 148
 149 static time_t string_to_time(const char *date){
 150 #ifndef WIN32
 151         struct tm tmtime={0};
 152         strptime(date,"%c",&tmtime);
 153         return mktime(&tmtime);
 154 #else
 155         return 0;
 156 #endif
 157 }
 158
 159 static void call_logs_read_from_config_file(LinphoneCore *lc){
 160         char logsection[32];
 161         int i;
 162         const char *tmp;
 163         uint64_t sec;
 164         LpConfig *cfg=lc->config;
 165         for(i=0;;++i){
 166                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 167                 if (lp_config_has_section(cfg,logsection)){
 168                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 169                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 170                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 171                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 172                         if (tmp) cl->from=linphone_address_new(tmp);
 173                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 174                         if (tmp) cl->to=linphone_address_new(tmp);
 175                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 176                         if (sec) {
 177                                 /*new call log format with date expressed in seconds */
 178                                 cl->start_date_time=(time_t)sec;
 179                                 set_call_log_date(cl,cl->start_date_time);
 180                         }else{
 181                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 182                                 if (tmp) {
 183                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 184                                         cl->start_date_time=string_to_time(cl->start_date);
 185                                 }
 186                         }
 187                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 188                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 189                         if (tmp) cl->refkey=ms_strdup(tmp);
 190                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 191                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 192                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 193                 }else break;
 194         }
 195 }
 196
 197
 198
 199 /**
 200  * @addtogroup call_logs
 201  * @{
 202 **/
 203
 204 /**
 205  * Returns a human readable string describing the call.
 206  *
 207  * @note: the returned char* must be freed by the application (use ms_free()).
 208 **/
 209 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 210         char *status;
 211         char *tmp;
 212         char *from=linphone_address_as_string (cl->from);
 213         char *to=linphone_address_as_string (cl->to);
 214         switch(cl->status){
 215                 case LinphoneCallAborted:
 216                         status=_("aborted");
 217                         break;
 218                 case LinphoneCallSuccess:
 219                         status=_("completed");
 220                         break;
 221                 case LinphoneCallMissed:
 222                         status=_("missed");
 223                         break;
 224                 default:
 225                         status="unknown";
 226         }
 227         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 228                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 229                         cl->start_date,
 230                         from,
 231                         to,
 232                         status,
 233                         cl->duration/60,
 234                         cl->duration%60);
 235         ms_free(from);
 236         ms_free(to);
 237         return tmp;
 238 }
 239
 240 /**
 241  * Returns RTP statistics computed locally regarding the call.
 242  *
 243 **/
 244 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 245         return &cl->local_stats;
 246 }
 247
 248 /**
 249  * Returns RTP statistics computed by remote end and sent back via RTCP.
 250  *
 251  * @note Not implemented yet.
 252 **/
 253 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 254         return &cl->remote_stats;
 255 }
 256
 257 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 258         cl->user_pointer=up;
 259 }
 260
 261 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 262         return cl->user_pointer;
 263 }
 264
 265
 266
 267 /**
 268  * Associate a persistent reference key to the call log.
 269  *
 270  * The reference key can be for example an id to an external database.
 271  * It is stored in the config file, thus can survive to process exits/restarts.
 272  *
 273 **/
 274 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 275         if (cl->refkey!=NULL){
 276                 ms_free(cl->refkey);
 277                 cl->refkey=NULL;
 278         }
 279         if (refkey) cl->refkey=ms_strdup(refkey);
 280 }
 281
 282 /**
 283  * Get the persistent reference key associated to the call log.
 284  *
 285  * The reference key can be for example an id to an external database.
 286  * It is stored in the config file, thus can survive to process exits/restarts.
 287  *
 288 **/
 289 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 290         return cl->refkey;
 291 }
 292
 293 /** @} */
 294
 295 void linphone_call_log_destroy(LinphoneCallLog *cl){
 296         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 297         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 298         if (cl->refkey!=NULL) ms_free(cl->refkey);
 299         ms_free(cl);
 300 }
 301
 302 /**
 303  * Returns TRUE if the LinphoneCall asked to autoanswer
 304  *
 305 **/
 306 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 307         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 308         if(call)
 309                 return sal_call_autoanswer_asked(call->op);
 310         else
 311                 return FALSE;
 312 }
 313
 314 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 315         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 316         if (call)  return linphone_call_get_duration(call);
 317         return -1;
 318 }
 319
 320 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 321         LinphoneCall *call=linphone_core_get_current_call(lc);
 322         if (call==NULL) return NULL;
 323         return linphone_call_get_remote_address(call);
 324 }
 325
 326 /**
 327  * Enable logs in supplied FILE*.
 328  *
 329  * @ingroup misc
 330  *
 331  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 332  *
 333 **/
 334 void linphone_core_enable_logs(FILE *file){
 335         if (file==NULL) file=stdout;
 336         ortp_set_log_file(file);
 337         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 338 }
 339
 340 /**
 341  * Enable logs through the user's supplied log callback.
 342  *
 343  * @ingroup misc
 344  *
 345  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 346  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 347  *
 348 **/
 349 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 350         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 351         ortp_set_log_handler(logfunc);
 352 }
 353
 354 /**
 355  * Entirely disable logging.
 356  *
 357  * @ingroup misc
 358 **/
 359 void linphone_core_disable_logs(){
 360         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 361 }
 362
 363
 364 static void net_config_read (LinphoneCore *lc)
 365 {
 366         int tmp;
 367         const char *tmpstr;
 368         LpConfig *config=lc->config;
 369
 370         lc->net_conf.nat_address_ip = NULL;
 371         tmp=lp_config_get_int(config,"net","download_bw",0);
 372         linphone_core_set_download_bandwidth(lc,tmp);
 373         tmp=lp_config_get_int(config,"net","upload_bw",0);
 374         linphone_core_set_upload_bandwidth(lc,tmp);
 375         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 376         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 377         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 378         linphone_core_set_nat_address(lc,tmpstr);
 379         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 380         linphone_core_set_firewall_policy(lc,tmp);
 381         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 382         lc->net_conf.nat_sdp_only=tmp;
 383         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 384         linphone_core_set_mtu(lc,tmp);
 385         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 386         linphone_core_set_download_ptime(lc,tmp);
 387
 388 }
 389
 390 static void build_sound_devices_table(LinphoneCore *lc){
 391         const char **devices;
 392         const char **old;
 393         int ndev;
 394         int i;
 395         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 396         ndev=ms_list_size(elem);
 397         devices=ms_malloc((ndev+1)*sizeof(const char *));
 398         for (i=0;elem!=NULL;elem=elem->next,i++){
 399                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 400         }
 401         devices[ndev]=NULL;
 402         old=lc->sound_conf.cards;
 403         lc->sound_conf.cards=devices;
 404         if (old!=NULL) ms_free(old);
 405 }
 406
 407 static void sound_config_read(LinphoneCore *lc)
 408 {
 409         int tmp;
 410         const char *tmpbuf;
 411         const char *devid;
 412         float gain=0;
 413 #ifdef __linux
 414         /*alsadev let the user use custom alsa device within linphone*/
 415         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 416         if (devid){
 417                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 418                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 419         }
 420         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 421         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 422 #endif
 423         /* retrieve all sound devices */
 424         build_sound_devices_table(lc);
 425
 426         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 427         linphone_core_set_playback_device(lc,devid);
 428
 429         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 430         linphone_core_set_ringer_device(lc,devid);
 431
 432         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 433         linphone_core_set_capture_device(lc,devid);
 434
 435 /*
 436         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 437         linphone_core_set_play_level(lc,tmp);
 438         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 439         linphone_core_set_ring_level(lc,tmp);
 440         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 441         linphone_core_set_rec_level(lc,tmp);
 442         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 443         linphone_core_set_sound_source(lc,tmpbuf[0]);
 444 */
 445
 446         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 447         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 448         if (ortp_file_exist(tmpbuf)==-1) {
 449                 ms_warning("%s does not exist",tmpbuf);
 450                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 451         }
 452         if (strstr(tmpbuf,".wav")==NULL){
 453                 /* it currently uses old sound files, so replace them */
 454                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 455         }
 456         linphone_core_set_ring(lc,tmpbuf);
 457
 458         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 459         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 460         if (ortp_file_exist(tmpbuf)==-1){
 461                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 462         }
 463         if (strstr(tmpbuf,".wav")==NULL){
 464                 /* it currently uses old sound files, so replace them */
 465                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 466         }
 467         linphone_core_set_ringback(lc,tmpbuf);
 468
 469         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 470         check_sound_device(lc);
 471         lc->sound_conf.latency=0;
 472 #ifndef __ios
 473     tmp=TRUE;
 474 #else
 475     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 476 #endif
 477     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 478         linphone_core_enable_echo_cancellation(lc,tmp);
 479         linphone_core_enable_echo_limiter(lc,
 480                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 481         linphone_core_enable_agc(lc,
 482                 lp_config_get_int(lc->config,"sound","agc",0));
 483
 484         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 485         linphone_core_set_playback_gain_db (lc,gain);
 486
 487         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 488 }
 489
 490 static void sip_config_read(LinphoneCore *lc)
 491 {
 492         char *contact;
 493         const char *tmpstr;
 494         LCSipTransports tr;
 495         int i,tmp;
 496         int ipv6;
 497         int random_port;
 498
 499         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 500         linphone_core_set_use_info_for_dtmf(lc,tmp);
 501
 502         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 503                 sal_use_session_timers(lc->sal,200);
 504         }
 505
 506         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 507         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 508         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 509         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 510
 511         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 512         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 513
 514         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 515         if (ipv6==-1){
 516                 ipv6=0;
 517         }
 518         linphone_core_enable_ipv6(lc,ipv6);
 519         memset(&tr,0,sizeof(tr));
 520
 521         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 522         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 523         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 524
 525         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 526                 random_port=(0xDFFF&random())+1024;
 527         else random_port=0;
 528
 529         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 530                 tr.udp_port=5060;
 531         }
 532
 533         if (tr.udp_port>0 && random_port){
 534                 tr.udp_port=random_port;
 535                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 536         }else if (tr.tcp_port>0 && random_port){
 537                 tr.tcp_port=random_port;
 538                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 539         }else if (tr.tls_port>0 && random_port){
 540                 tr.tls_port=random_port;
 541                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 542         }
 543
 544 #ifdef __linux
 545         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 546 #else
 547         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 548 #endif
 549         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 550         /*start listening on ports*/
 551         linphone_core_set_sip_transports(lc,&tr);
 552
 553         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 554         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 555                 const char *hostname=NULL;
 556                 const char *username=NULL;
 557 #ifdef HAVE_GETENV
 558                 hostname=getenv("HOST");
 559                 username=getenv("USER");
 560                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 561 #endif /*HAVE_GETENV*/
 562                 if (hostname==NULL)
 563                         hostname="unknown-host";
 564                 if (username==NULL){
 565                         username="toto";
 566                 }
 567                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 568                 linphone_core_set_primary_contact(lc,contact);
 569                 ms_free(contact);
 570         }
 571
 572         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 573         linphone_core_set_guess_hostname(lc,tmp);
 574
 575
 576         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 577         linphone_core_set_inc_timeout(lc,tmp);
 578
 579         /* get proxies config */
 580         for(i=0;; i++){
 581                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 582                 if (cfg!=NULL){
 583                         linphone_core_add_proxy_config(lc,cfg);
 584                 }else{
 585                         break;
 586                 }
 587         }
 588         /* get the default proxy */
 589         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 590         linphone_core_set_default_proxy_index(lc,tmp);
 591
 592         /* read authentication information */
 593         for(i=0;; i++){
 594                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 595                 if (ai!=NULL){
 596                         linphone_core_add_auth_info(lc,ai);
 597                         linphone_auth_info_destroy(ai);
 598                 }else{
 599                         break;
 600                 }
 601         }
 602         /*this is to filter out unsupported encryption schemes*/
 603         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 604
 605         /*for tuning or test*/
 606         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 607         lc->sip_conf.register_only_when_network_is_up=
 608                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 609         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 610         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 611         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 612         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 613         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 614         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 615 }
 616
 617 static void rtp_config_read(LinphoneCore *lc)
 618 {
 619         int port;
 620         int jitt_comp;
 621         int nortp_timeout;
 622         bool_t rtp_no_xmit_on_audio_mute;
 623
 624         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 625         linphone_core_set_audio_port(lc,port);
 626
 627         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 628         if (port==0) port=9078;
 629         linphone_core_set_video_port(lc,port);
 630
 631         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 632         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 633         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 634         if (jitt_comp==0) jitt_comp=60;
 635         lc->rtp_conf.video_jitt_comp=jitt_comp;
 636         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 637         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 638         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 639         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 640 }
 641
 642 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, const char *recv_fmtp){
 643         PayloadType *candidate=NULL;
 644         int i;
 645         PayloadType *it;
 646         for(i=0;i<127;++i){
 647                 it=rtp_profile_get_payload(prof,i);
 648                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 649                         && (clock_rate==it->clock_rate || clock_rate<=0) ){
 650                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 651                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 652                                 /*exact match*/
 653                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 654                                 return it;
 655                         }else {
 656                                 if (candidate){
 657                                         if (it->recv_fmtp==NULL) candidate=it;
 658                                 }else candidate=it;
 659                         }
 660                 }
 661         }
 662         if (candidate && recv_fmtp){
 663                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 664         }
 665         return candidate;
 666 }
 667
 668 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 669         char codeckey[50];
 670         const char *mime,*fmtp;
 671         int rate,enabled;
 672         PayloadType *pt;
 673
 674         *ret=NULL;
 675         snprintf(codeckey,50,"%s_%i",type,index);
 676         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 677         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 678
 679         rate=lp_config_get_int(config,codeckey,"rate",8000);
 680         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 681         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 682         pt=find_payload(&av_profile,mime,rate,fmtp);
 683         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 684         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 685         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 686                         mime,rate,fmtp ? fmtp : "");
 687         *ret=pt;
 688         return TRUE;
 689 }
 690
 691 #define RANK_END 10000
 692 static const char *codec_pref_order[]={
 693         "SILK",
 694         "speex",
 695         "iLBC",
 696         "amr",
 697         "gsm",
 698         "pcmu",
 699         "pcma",
 700         "VP8",
 701         "H264",
 702         "MP4V-ES",
 703         "H263-1998",
 704         NULL,
 705 };
 706
 707 static int find_codec_rank(const char *mime){
 708         int i;
 709         for(i=0;codec_pref_order[i]!=NULL;++i){
 710                 if (strcasecmp(codec_pref_order[i],mime)==0)
 711                         return i;
 712         }
 713         return RANK_END;
 714 }
 715
 716 static int codec_compare(const PayloadType *a, const PayloadType *b){
 717         int ra,rb;
 718         ra=find_codec_rank(a->mime_type);
 719         rb=find_codec_rank(b->mime_type);
 720         if (ra>rb) return 1;
 721         if (ra<rb) return -1;
 722         return 0;
 723 }
 724
 725 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 726         int i;
 727         for(i=0;i<127;++i){
 728                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 729                 if (pt){
 730                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 731                                 pt=NULL;
 732                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 733                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 734                                 pt=NULL;
 735                         }
 736                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 737                                 if (ms_list_find(l,pt)==NULL){
 738                                         /*unranked codecs are disabled by default*/
 739                                         if (find_codec_rank(pt->mime_type)!=RANK_END){
 740                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 741                                         }
 742                                         ms_message("Adding new codec %s/%i with fmtp %s",
 743                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 744                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 745                                 }
 746                         }
 747                 }
 748         }
 749         return l;
 750 }
 751
 752 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 753         MSList *elem;
 754         for (elem=l;elem!=NULL;elem=elem->next){
 755                 PayloadType *ept=(PayloadType*)elem->data;
 756                 if (pt==ept)
 757                         return l;
 758         }
 759         l=ms_list_append(l,pt);
 760         return l;
 761 }
 762
 763 static void codecs_config_read(LinphoneCore *lc)
 764 {
 765         int i;
 766         PayloadType *pt;
 767         MSList *audio_codecs=NULL;
 768         MSList *video_codecs=NULL;
 769         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 770                 if (pt){
 771                         if (!ms_filter_codec_supported(pt->mime_type)){
 772                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 773                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 774                 }
 775         }
 776         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 777         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 778                 if (pt){
 779                         if (!ms_filter_codec_supported(pt->mime_type)){
 780                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 781                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 782                 }
 783         }
 784         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 785         linphone_core_set_audio_codecs(lc,audio_codecs);
 786         linphone_core_set_video_codecs(lc,video_codecs);
 787         linphone_core_update_allocated_audio_bandwidth(lc);
 788 }
 789
 790 static void build_video_devices_table(LinphoneCore *lc){
 791         const MSList *elem;
 792         int i;
 793         int ndev;
 794         const char **devices;
 795         if (lc->video_conf.cams)
 796                 ms_free(lc->video_conf.cams);
 797         /* retrieve all video devices */
 798         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 799         ndev=ms_list_size(elem);
 800         devices=ms_malloc((ndev+1)*sizeof(const char *));
 801         for (i=0;elem!=NULL;elem=elem->next,i++){
 802                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 803         }
 804         devices[ndev]=NULL;
 805         lc->video_conf.cams=devices;
 806 }
 807
 808 static void video_config_read(LinphoneCore *lc){
 809 #ifdef VIDEO_ENABLED
 810         int capture, display, self_view;
 811 #endif
 812         const char *str;
 813 #ifdef VIDEO_ENABLED
 814         LinphoneVideoPolicy vpol;
 815 #endif
 816         build_video_devices_table(lc);
 817
 818         str=lp_config_get_string(lc->config,"video","device",NULL);
 819         if (str && str[0]==0) str=NULL;
 820         linphone_core_set_video_device(lc,str);
 821
 822         linphone_core_set_preferred_video_size_by_name(lc,
 823                 lp_config_get_string(lc->config,"video","size","cif"));
 824
 825 #ifdef VIDEO_ENABLED
 826         capture=lp_config_get_int(lc->config,"video","capture",1);
 827         display=lp_config_get_int(lc->config,"video","display",1);
 828         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 829         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 830         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 831         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 832         if(lc->video_conf.displaytype)
 833                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 834
 835         linphone_core_enable_video(lc,capture,display);
 836         linphone_core_enable_self_view(lc,self_view);
 837         linphone_core_set_video_policy(lc,&vpol);
 838 #endif
 839 }
 840
 841 static void ui_config_read(LinphoneCore *lc)
 842 {
 843         LinphoneFriend *lf;
 844         int i;
 845         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 846                 linphone_core_add_friend(lc,lf);
 847         }
 848         call_logs_read_from_config_file(lc);
 849 }
 850
 851 /*
 852 static void autoreplier_config_init(LinphoneCore *lc)
 853 {
 854         autoreplier_config_t *config=&lc->autoreplier_conf;
 855         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 856         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 857         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 858         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 859         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 860         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 861 }
 862 */
 863
 864 bool_t linphone_core_tunnel_available(void){
 865 #ifdef TUNNEL_ENABLED
 866         return TRUE;
 867 #else
 868         return FALSE;
 869 #endif
 870 }
 871
 872 /**
 873  * Enable adaptive rate control (experimental feature, audio-only).
 874  *
 875  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 876  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 877  * available bandwidth.
 878 **/
 879 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 880         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 881 }
 882
 883 /**
 884  * Returns whether adaptive rate control is enabled.
 885  *
 886  * See linphone_core_enable_adaptive_rate_control().
 887 **/
 888 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 889         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 890 }
 891
 892 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 893         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 894 }
 895
 896 /**
 897  * Sets maximum available download bandwidth
 898  *
 899  * @ingroup media_parameters
 900  *
 901  * This is IP bandwidth, in kbit/s.
 902  * This information is used signaled to other parties during
 903  * calls (within SDP messages) so that the remote end can have
 904  * sufficient knowledge to properly configure its audio & video
 905  * codec output bitrate to not overflow available bandwidth.
 906  *
 907  * @param lc the LinphoneCore object
 908  * @param bw the bandwidth in kbits/s, 0 for infinite
 909  */
 910 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 911         lc->net_conf.download_bw=bw;
 912         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 913 }
 914
 915 /**
 916  * Sets maximum available upload bandwidth
 917  *
 918  * @ingroup media_parameters
 919  *
 920  * This is IP bandwidth, in kbit/s.
 921  * This information is used by liblinphone together with remote
 922  * side available bandwidth signaled in SDP messages to properly
 923  * configure audio & video codec's output bitrate.
 924  *
 925  * @param lc the LinphoneCore object
 926  * @param bw the bandwidth in kbits/s, 0 for infinite
 927  */
 928 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 929         lc->net_conf.upload_bw=bw;
 930         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 931 }
 932
 933 /**
 934  * Retrieve the maximum available download bandwidth.
 935  *
 936  * @ingroup media_parameters
 937  *
 938  * This value was set by linphone_core_set_download_bandwidth().
 939  *
 940 **/
 941 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 942         return lc->net_conf.download_bw;
 943 }
 944
 945 /**
 946  * Retrieve the maximum available upload bandwidth.
 947  *
 948  * @ingroup media_parameters
 949  *
 950  * This value was set by linphone_core_set_upload_bandwidth().
 951  *
 952 **/
 953 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 954         return lc->net_conf.upload_bw;
 955 }
 956 /**
 957  * Set audio packetization time linphone expects to receive from peer
 958  */
 959 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 960         lc->net_conf.down_ptime=ptime;
 961 }
 962
 963 /**
 964  * Get audio packetization time linphone expects to receive from peer
 965  */
 966 int linphone_core_get_download_ptime(LinphoneCore *lc) {
 967         return lc->net_conf.down_ptime;
 968 }
 969
 970 /**
 971  * Set audio packetization time linphone will send (in absence of requirement from peer)
 972  * A value of 0 stands for the current codec default packetization time.
 973  *
 974 **/
 975 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
 976         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
 977 }
 978
 979 /**
 980  * Set audio packetization time linphone will send (in absence of requirement from peer)
 981  * A value of 0 stands for the current codec default packetization time.
 982  *
 983 **/
 984 int linphone_core_get_upload_ptime(LinphoneCore *lc){
 985         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
 986 }
 987
 988
 989
 990 /**
 991  * Returns liblinphone's version as a string.
 992  *
 993  * @ingroup misc
 994  *
 995 **/
 996 const char * linphone_core_get_version(void){
 997         return liblinphone_version;
 998 }
 999
1000 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1001         PayloadType *pt;
1002         pt=payload_type_clone(const_pt);
1003         if (number==-1){
1004                 /*look for a free number */
1005                 MSList *elem;
1006                 int i;
1007                 for(i=lc->dyn_pt;i<=127;++i){
1008                         bool_t already_assigned=FALSE;
1009                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1010                                 PayloadType *it=(PayloadType*)elem->data;
1011                                 if (payload_type_get_number(it)==i){
1012                                         already_assigned=TRUE;
1013                                         break;
1014                                 }
1015                         }
1016                         if (!already_assigned){
1017                                 number=i;
1018                                 lc->dyn_pt=i+1;
1019                                 break;
1020                         }
1021                 }
1022                 if (number==-1){
1023                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1024                 }
1025         }
1026         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1027         payload_type_set_number(pt,number);
1028         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1029         rtp_profile_set_payload(&av_profile,number,pt);
1030         lc->payload_types=ms_list_append(lc->payload_types,pt);
1031 }
1032
1033 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1034         RtpProfile *prof=&av_profile;
1035         int i;
1036         for(i=0;i<128;++i){
1037                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1038                 if (pt){
1039                         if (payload_type_get_number(pt)!=i){
1040                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1041                         }
1042                 }
1043         }
1044 }
1045
1046 static void linphone_core_free_payload_types(LinphoneCore *lc){
1047         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1048         ms_list_free(lc->payload_types);
1049         lc->payload_types=NULL;
1050 }
1051
1052 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1053         lc->state=gstate;
1054         if (lc->vtable.global_state_changed){
1055                 lc->vtable.global_state_changed(lc,gstate,message);
1056         }
1057 }
1058 static void misc_config_read (LinphoneCore *lc) {
1059         LpConfig *config=lc->config;
1060     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1061     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1062 }
1063
1064
1065
1066
1067 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1068     const char *factory_config_path, void * userdata)
1069 {
1070         memset (lc, 0, sizeof (LinphoneCore));
1071         lc->data=userdata;
1072         lc->ringstream_autorelease=TRUE;
1073
1074         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1075
1076         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1077         ortp_init();
1078         lc->dyn_pt=96;
1079         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1080         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1081         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1082         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1083         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1084         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1085         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1086         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1087
1088 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1089         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1090          - to workaround potential packet losses
1091          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1092          */
1093         _linphone_core_configure_resolver();
1094 #endif
1095
1096 #ifdef ENABLE_NONSTANDARD_GSM
1097         {
1098                 PayloadType *pt;
1099                 pt=payload_type_clone(&payload_type_gsm);
1100                 pt->clock_rate=11025;
1101                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1102                 pt->clock_rate=22050;
1103                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1104                 payload_type_destroy(pt);
1105         }
1106 #endif
1107
1108 #ifdef VIDEO_ENABLED
1109         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1110         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1111         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1112         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1113         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1114         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1115         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1116         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1117         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1118 #endif
1119
1120         /*add all payload type for which we don't care about the number */
1121         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1122         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1123         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1124         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1125         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1126         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1127         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1128         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1129         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1130         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1131         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1132         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1133         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1134         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1135         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1136         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1137         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1138         linphone_core_handle_static_payloads(lc);
1139
1140         ms_init();
1141         /* create a mediastreamer2 event queue and set it as global */
1142         /* This allows to run event's callback in linphone_core_iterate() */
1143         lc->msevq=ms_event_queue_new();
1144         ms_set_global_event_queue(lc->msevq);
1145
1146         lc->config=lp_config_new(config_path);
1147         if (factory_config_path)
1148                 lp_config_read_file(lc->config,factory_config_path);
1149
1150         lc->sal=sal_init();
1151         sal_set_user_pointer(lc->sal,lc);
1152         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1153
1154         sip_setup_register_all();
1155         sound_config_read(lc);
1156         net_config_read(lc);
1157         rtp_config_read(lc);
1158         codecs_config_read(lc);
1159         sip_config_read(lc); /* this will start eXosip*/
1160         video_config_read(lc);
1161         //autoreplier_config_init(&lc->autoreplier_conf);
1162         lc->presence_mode=LinphoneStatusOnline;
1163         misc_config_read(lc);
1164         ui_config_read(lc);
1165 #ifdef TUNNEL_ENABLED
1166         lc->tunnel=linphone_core_tunnel_new(lc);
1167         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1168 #endif
1169         if (lc->vtable.display_status)
1170                 lc->vtable.display_status(lc,_("Ready"));
1171         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1172         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1173 }
1174
1175 /**
1176  * Instanciates a LinphoneCore object.
1177  * @ingroup initializing
1178  *
1179  * The LinphoneCore object is the primary handle for doing all phone actions.
1180  * It should be unique within your application.
1181  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1182  * @param config_path a path to a config file. If it does not exists it will be created.
1183  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1184  *             become persistent over the life of the LinphoneCore object.
1185  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1186  * @param factory_config_path a path to a read-only config file that can be used to
1187  *        to store hard-coded preference such as proxy settings or internal preferences.
1188  *        The settings in this factory file always override the one in the normal config file.
1189  *        It is OPTIONAL, use NULL if unneeded.
1190  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1191  *        callbacks) using linphone_core_get_user_data().
1192  *
1193 **/
1194 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1195                                                 const char *config_path, const char *factory_config_path, void * userdata)
1196 {
1197         LinphoneCore *core=ms_new(LinphoneCore,1);
1198         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1199         return core;
1200 }
1201
1202 /**
1203  * Returns the list of available audio codecs.
1204  *
1205  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1206  * structure holding the codec information.
1207  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1208  * (such as the order of codecs).
1209 **/
1210 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1211 {
1212         return lc->codecs_conf.audio_codecs;
1213 }
1214
1215 /**
1216  * Returns the list of available video codecs.
1217  *
1218  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1219  * structure holding the codec information.
1220  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1221  * (such as the order of codecs).
1222 **/
1223 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1224 {
1225         return lc->codecs_conf.video_codecs;
1226 }
1227
1228 /**
1229  * Sets the local "from" identity.
1230  *
1231  * @ingroup proxies
1232  * This data is used in absence of any proxy configuration or when no
1233  * default proxy configuration is set. See LinphoneProxyConfig
1234 **/
1235 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1236 {
1237         LinphoneAddress *ctt;
1238
1239         if ((ctt=linphone_address_new(contact))==0) {
1240                 ms_error("Bad contact url: %s",contact);
1241                 return -1;
1242         }
1243         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1244         lc->sip_conf.contact=ms_strdup(contact);
1245         if (lc->sip_conf.guessed_contact!=NULL){
1246                 ms_free(lc->sip_conf.guessed_contact);
1247                 lc->sip_conf.guessed_contact=NULL;
1248         }
1249         linphone_address_destroy(ctt);
1250         return 0;
1251 }
1252
1253
1254 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1255 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1256         const char *ip;
1257         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1258             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1259                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1260                 return;
1261         }
1262         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1263                 return;
1264         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1265         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1266 }
1267
1268 static void update_primary_contact(LinphoneCore *lc){
1269         char *guessed=NULL;
1270         char tmp[LINPHONE_IPADDR_SIZE];
1271
1272         LinphoneAddress *url;
1273         if (lc->sip_conf.guessed_contact!=NULL){
1274                 ms_free(lc->sip_conf.guessed_contact);
1275                 lc->sip_conf.guessed_contact=NULL;
1276         }
1277         url=linphone_address_new(lc->sip_conf.contact);
1278         if (!url){
1279                 ms_error("Could not parse identity contact !");
1280                 url=linphone_address_new("sip:unknown@unkwownhost");
1281         }
1282         linphone_core_get_local_ip(lc, NULL, tmp);
1283         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1284                 ms_warning("Local loopback network only !");
1285                 lc->sip_conf.loopback_only=TRUE;
1286         }else lc->sip_conf.loopback_only=FALSE;
1287         linphone_address_set_domain(url,tmp);
1288         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1289         guessed=linphone_address_as_string(url);
1290         lc->sip_conf.guessed_contact=guessed;
1291         linphone_address_destroy(url);
1292 }
1293
1294 /**
1295  * Returns the default identity when no proxy configuration is used.
1296  *
1297  * @ingroup proxies
1298 **/
1299 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1300         char *identity;
1301
1302         if (lc->sip_conf.guess_hostname){
1303                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1304                         update_primary_contact(lc);
1305                 }
1306                 identity=lc->sip_conf.guessed_contact;
1307         }else{
1308                 identity=lc->sip_conf.contact;
1309         }
1310         return identity;
1311 }
1312
1313 /**
1314  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1315  *
1316  * @ingroup proxies
1317 **/
1318 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1319         lc->sip_conf.guess_hostname=val;
1320 }
1321
1322 /**
1323  * Returns TRUE if hostname part of primary contact is guessed automatically.
1324  *
1325  * @ingroup proxies
1326 **/
1327 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1328         return lc->sip_conf.guess_hostname;
1329 }
1330
1331 /**
1332  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1333  * instead of const char*
1334  *
1335  * @ingroup proxies
1336 **/
1337 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1338         return linphone_address_new(linphone_core_get_primary_contact(lc));
1339 }
1340
1341 /**
1342  * Sets the list of audio codecs.
1343  *
1344  * @ingroup media_parameters
1345  * The list is taken by the LinphoneCore thus the application should not free it.
1346  * This list is made of struct PayloadType describing the codec parameters.
1347 **/
1348 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1349 {
1350         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1351         lc->codecs_conf.audio_codecs=codecs;
1352         _linphone_core_codec_config_write(lc);
1353         return 0;
1354 }
1355
1356 /**
1357  * Sets the list of video codecs.
1358  *
1359  * @ingroup media_parameters
1360  * The list is taken by the LinphoneCore thus the application should not free it.
1361  * This list is made of struct PayloadType describing the codec parameters.
1362 **/
1363 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1364 {
1365         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1366         lc->codecs_conf.video_codecs=codecs;
1367         _linphone_core_codec_config_write(lc);
1368         return 0;
1369 }
1370
1371 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1372 {
1373         return lc->friends;
1374 }
1375
1376 /**
1377  * Returns the nominal jitter buffer size in milliseconds.
1378  *
1379  * @ingroup media_parameters
1380 **/
1381 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1382 {
1383         return lc->rtp_conf.audio_jitt_comp;
1384 }
1385
1386 /**
1387  * Returns the UDP port used for audio streaming.
1388  *
1389  * @ingroup network_parameters
1390 **/
1391 int linphone_core_get_audio_port(const LinphoneCore *lc)
1392 {
1393         return lc->rtp_conf.audio_rtp_port;
1394 }
1395
1396 /**
1397  * Returns the UDP port used for video streaming.
1398  *
1399  * @ingroup network_parameters
1400 **/
1401 int linphone_core_get_video_port(const LinphoneCore *lc){
1402         return lc->rtp_conf.video_rtp_port;
1403 }
1404
1405
1406 /**
1407  * Returns the value in seconds of the no-rtp timeout.
1408  *
1409  * @ingroup media_parameters
1410  * When no RTP or RTCP packets have been received for a while
1411  * LinphoneCore will consider the call is broken (remote end crashed or
1412  * disconnected from the network), and thus will terminate the call.
1413  * The no-rtp timeout is the duration above which the call is considered broken.
1414 **/
1415 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1416         return lc->rtp_conf.nortp_timeout;
1417 }
1418
1419 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1420         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1421 }
1422
1423 /**
1424  * Sets the nominal audio jitter buffer size in milliseconds.
1425  *
1426  * @ingroup media_parameters
1427 **/
1428 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1429 {
1430         lc->rtp_conf.audio_jitt_comp=value;
1431 }
1432
1433 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1434         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1435 }
1436
1437 /**
1438  * Sets the UDP port used for audio streaming.
1439  *
1440  * @ingroup network_parameters
1441 **/
1442 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1443 {
1444         lc->rtp_conf.audio_rtp_port=port;
1445 }
1446
1447 /**
1448  * Sets the UDP port used for video streaming.
1449  *
1450  * @ingroup network_parameters
1451 **/
1452 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1453         lc->rtp_conf.video_rtp_port=port;
1454 }
1455
1456 /**
1457  * Sets the no-rtp timeout value in seconds.
1458  *
1459  * @ingroup media_parameters
1460  * See linphone_core_get_nortp_timeout() for details.
1461 **/
1462 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1463         lc->rtp_conf.nortp_timeout=nortp_timeout;
1464 }
1465
1466 /**
1467  * Indicates whether SIP INFO is used for sending digits.
1468  *
1469  * @ingroup media_parameters
1470 **/
1471 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1472 {
1473         return lc->sip_conf.use_info;
1474 }
1475
1476 /**
1477  * Sets whether SIP INFO is to be used for sending digits.
1478  *
1479  * @ingroup media_parameters
1480 **/
1481 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1482 {
1483         lc->sip_conf.use_info=use_info;
1484 }
1485
1486 /**
1487  * Indicates whether RFC2833 is used for sending digits.
1488  *
1489  * @ingroup media_parameters
1490 **/
1491 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1492 {
1493         return lc->sip_conf.use_rfc2833;
1494 }
1495
1496 /**
1497  * Sets whether RFC2833 is to be used for sending digits.
1498  *
1499  * @ingroup media_parameters
1500 **/
1501 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1502 {
1503         lc->sip_conf.use_rfc2833=use_rfc2833;
1504 }
1505
1506 /**
1507  * Returns the UDP port used by SIP.
1508  *
1509  * Deprecated: use linphone_core_get_sip_transports() instead.
1510  * @ingroup network_parameters
1511 **/
1512 int linphone_core_get_sip_port(LinphoneCore *lc)
1513 {
1514         LCSipTransports *tr=&lc->sip_conf.transports;
1515         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1516 }
1517
1518 static char _ua_name[64]="Linphone";
1519 static char _ua_version[64]=LINPHONE_VERSION;
1520
1521 #ifdef HAVE_EXOSIP_GET_VERSION
1522 extern const char *eXosip_get_version();
1523 #endif
1524
1525 static void apply_user_agent(LinphoneCore *lc){
1526         char ua_string[256];
1527         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1528 #ifdef HAVE_EXOSIP_GET_VERSION
1529                  eXosip_get_version()
1530 #else
1531                  "unknown"
1532 #endif
1533         );
1534         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1535 }
1536
1537 /**
1538  * Sets the user agent string used in SIP messages.
1539  *
1540  * @ingroup misc
1541 **/
1542 void linphone_core_set_user_agent(const char *name, const char *ver){
1543         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1544         strncpy(_ua_version,ver,sizeof(_ua_version));
1545 }
1546
1547 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1548         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1549         ms_warning("%s",msg);
1550         if (lc->vtable.display_warning)
1551                 lc->vtable.display_warning(lc,msg);
1552         ms_free(msg);
1553 }
1554
1555 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1556         return
1557                 tr2->udp_port==tr1->udp_port &&
1558                 tr2->tcp_port==tr1->tcp_port &&
1559                 tr2->dtls_port==tr1->dtls_port &&
1560                 tr2->tls_port==tr1->tls_port;
1561 }
1562
1563 static int apply_transports(LinphoneCore *lc){
1564         Sal *sal=lc->sal;
1565         const char *anyaddr;
1566         LCSipTransports *tr=&lc->sip_conf.transports;
1567
1568         /*first of all invalidate all current registrations so that we can register again with new transports*/
1569         __linphone_core_invalidate_registers(lc);
1570
1571         if (lc->sip_conf.ipv6_enabled)
1572                 anyaddr="::0";
1573         else
1574                 anyaddr="0.0.0.0";
1575
1576         sal_unlisten_ports(sal);
1577         if (tr->udp_port>0){
1578                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1579                         transport_error(lc,"udp",tr->udp_port);
1580                         return -1;
1581                 }
1582         }
1583         if (tr->tcp_port>0){
1584                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1585                         transport_error(lc,"tcp",tr->tcp_port);
1586                 }
1587         }
1588         if (tr->tls_port>0){
1589                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1590                         transport_error(lc,"tls",tr->tls_port);
1591                 }
1592         }
1593         apply_user_agent(lc);
1594         return 0;
1595 }
1596
1597 /**
1598  * Sets the ports to be used for each of transport (UDP or TCP)
1599  *
1600  * A zero value port for a given transport means the transport
1601  * is not used.
1602  *
1603  * @ingroup network_parameters
1604 **/
1605 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1606
1607         if (transports_unchanged(tr,&lc->sip_conf.transports))
1608                 return 0;
1609         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1610
1611         if (linphone_core_ready(lc)){
1612                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1613                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1614                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1615         }
1616
1617         if (lc->sal==NULL) return 0;
1618         return apply_transports(lc);
1619 }
1620
1621 /**
1622  * Retrieves the ports used for each transport (udp, tcp).
1623  * A zero value port for a given transport means the transport
1624  * is not used.
1625  * @ingroup network_parameters
1626 **/
1627 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1628         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1629         return 0;
1630 }
1631
1632 /**
1633  * Sets the UDP port to be used by SIP.
1634  *
1635  * Deprecated: use linphone_core_set_sip_transports() instead.
1636  * @ingroup network_parameters
1637 **/
1638 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1639 {
1640         LCSipTransports tr;
1641         memset(&tr,0,sizeof(tr));
1642         tr.udp_port=port;
1643         linphone_core_set_sip_transports (lc,&tr);
1644 }
1645
1646 /**
1647  * Returns TRUE if IPv6 is enabled.
1648  *
1649  * @ingroup network_parameters
1650  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1651 **/
1652 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1653         return lc->sip_conf.ipv6_enabled;
1654 }
1655
1656 /**
1657  * Turns IPv6 support on or off.
1658  *
1659  * @ingroup network_parameters
1660  *
1661  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1662  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1663  * By default IPv6 support is off.
1664 **/
1665 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1666         if (lc->sip_conf.ipv6_enabled!=val){
1667                 lc->sip_conf.ipv6_enabled=val;
1668                 if (lc->sal){
1669                         /* we need to restart eXosip */
1670                         apply_transports(lc);
1671                 }
1672         }
1673 }
1674
1675
1676 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1677         static time_t last_check=0;
1678         static bool_t last_status=FALSE;
1679         char result[LINPHONE_IPADDR_SIZE];
1680         bool_t new_status=last_status;
1681
1682         /* only do the network up checking every five seconds */
1683         if (last_check==0 || (curtime-last_check)>=5){
1684                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1685                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1686                         new_status=TRUE;
1687                 }else new_status=FALSE;
1688                 last_check=curtime;
1689                 if (new_status!=last_status) {
1690                         if (new_status){
1691                                 ms_message("New local ip address is %s",result);
1692                         }
1693                         set_network_reachable(lc,new_status, curtime);
1694                         last_status=new_status;
1695                 }
1696         }
1697 }
1698
1699 static void proxy_update(LinphoneCore *lc){
1700         MSList *elem,*next;
1701         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1702         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1703                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1704                 next=elem->next;
1705                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1706                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1707                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1708                         linphone_proxy_config_destroy(cfg);
1709                 }
1710         }
1711 }
1712
1713 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1714         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1715         if (lf!=NULL){
1716                 lf->info=info;
1717                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1718                 if (lc->vtable.buddy_info_updated)
1719                         lc->vtable.buddy_info_updated(lc,lf);
1720         }else{
1721                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1722         }
1723 }
1724
1725 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1726         MSList *elem;
1727         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1728         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1729                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1730                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1731                         if (req->results!=NULL){
1732                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1733                                 ms_list_free(req->results);
1734                                 req->results=NULL;
1735                                 assign_buddy_info(lc,i);
1736                         }
1737                         sip_setup_context_buddy_lookup_free(ctx,req);
1738                         elem->data=NULL;
1739                 }
1740         }
1741         /*purge completed requests */
1742         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1743                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1744         }
1745 }
1746
1747 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1748         const MSList *elem;
1749         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1750         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1751                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1752                 if (lf->info==NULL){
1753                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1754                                 if (linphone_address_get_username(lf->uri)!=NULL){
1755                                         BuddyLookupRequest *req;
1756                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1757                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1758                                         buddy_lookup_request_set_key(req,tmp);
1759                                         buddy_lookup_request_set_max_results(req,1);
1760                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1761                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1762                                         ms_free(tmp);
1763                                 }
1764                         }
1765                 }
1766         }
1767 }
1768
1769 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1770         LinphoneProxyConfig *cfg=NULL;
1771         linphone_core_get_default_proxy(lc,&cfg);
1772         if (cfg){
1773                 if (lc->bl_refresh){
1774                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1775                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1776                                 linphone_core_grab_buddy_infos(lc,cfg);
1777                                 lc->bl_refresh=FALSE;
1778                         }
1779                 }
1780                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1781         }
1782 }
1783
1784 /**
1785  * Main loop function. It is crucial that your application call it periodically.
1786  *
1787  * @ingroup initializing
1788  * linphone_core_iterate() performs various backgrounds tasks:
1789  * - receiving of SIP messages
1790  * - handles timers and timeout
1791  * - performs registration to proxies
1792  * - authentication retries
1793  * The application MUST call this function periodically, in its main loop.
1794  * Be careful that this function must be called from the same thread as
1795  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1796  * serialized with a mutex.
1797 **/
1798 void linphone_core_iterate(LinphoneCore *lc){
1799         MSList *calls;
1800         LinphoneCall *call;
1801         time_t curtime=time(NULL);
1802         int elapsed;
1803         bool_t one_second_elapsed=FALSE;
1804
1805         if (curtime-lc->prevtime>=1){
1806                 lc->prevtime=curtime;
1807                 one_second_elapsed=TRUE;
1808         }
1809
1810         if (lc->ecc!=NULL){
1811                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1812                 if (ecs!=LinphoneEcCalibratorInProgress){
1813                         if (lc->ecc->cb)
1814                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1815                         if (ecs==LinphoneEcCalibratorDone){
1816                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1817                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1818                         }
1819                         ec_calibrator_destroy(lc->ecc);
1820                         lc->ecc=NULL;
1821                 }
1822         }
1823
1824         if (lc->preview_finished){
1825                 lc->preview_finished=0;
1826                 ring_stop(lc->ringstream);
1827                 lc->ringstream=NULL;
1828                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1829         }
1830
1831         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1832             && (curtime-lc->dmfs_playing_start_time)>5){
1833                 ring_stop(lc->ringstream);
1834                 lc->ringstream=NULL;
1835                 lc->dmfs_playing_start_time=0;
1836         }
1837
1838         sal_iterate(lc->sal);
1839         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1840         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1841
1842         proxy_update(lc);
1843
1844         //we have to iterate for each call
1845         calls= lc->calls;
1846         while(calls!= NULL){
1847                 call = (LinphoneCall *)calls->data;
1848                  /* get immediately a reference to next one in case the one
1849                  we are going to examine is destroy and removed during
1850                  linphone_core_start_invite() */
1851                 calls=calls->next;
1852                 linphone_call_background_tasks(call,one_second_elapsed);
1853                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1854                         /*start the call even if the OPTIONS reply did not arrive*/
1855                         if (sal_op_get_ice_session(call->op) != NULL) {
1856                                 /* ICE candidates gathering has not finished yet, proceed with the call without ICE anyway. */
1857                                 ice_session_destroy(sal_op_get_ice_session(call->op));
1858                                 sal_op_set_ice_session(call->op, NULL);
1859                                 linphone_call_stop_media_streams(call);
1860                         }
1861                         linphone_core_start_invite(lc,call,NULL);
1862                 }
1863                 if (call->state==LinphoneCallIncomingReceived){
1864                         elapsed=curtime-call->start_time;
1865                         ms_message("incoming call ringing for %i seconds",elapsed);
1866                         if (elapsed>lc->sip_conf.inc_timeout){
1867                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
1868                                 call->log->status=LinphoneCallMissed;
1869                                 call->reason=LinphoneReasonNotAnswered;
1870                                 linphone_core_terminate_call(lc,call);
1871                         }
1872                 }
1873         }
1874
1875         if (linphone_core_video_preview_enabled(lc)){
1876                 if (lc->previewstream==NULL && lc->calls==NULL)
1877                         toggle_video_preview(lc,TRUE);
1878 #ifdef VIDEO_ENABLED
1879                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1880 #endif
1881         }else{
1882                 if (lc->previewstream!=NULL)
1883                         toggle_video_preview(lc,FALSE);
1884         }
1885
1886         linphone_core_run_hooks(lc);
1887         linphone_core_do_plugin_tasks(lc);
1888
1889         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1890             (curtime-lc->netup_time)>3){
1891                 linphone_core_send_initial_subscribes(lc);
1892                 lc->initial_subscribes_sent=TRUE;
1893         }
1894
1895         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1896                 lp_config_sync(lc->config);
1897         }
1898 }
1899
1900 /**
1901  * Interpret a call destination as supplied by the user, and returns a fully qualified
1902  * LinphoneAddress.
1903  *
1904  * A sip address should look like DisplayName <sip:username@domain:port> .
1905  * Basically this function performs the following tasks
1906  * - if a phone number is entered, prepend country prefix of the default proxy
1907  *   configuration, eventually escape the '+' by 00.
1908  * - if no domain part is supplied, append the domain name of the default proxy
1909  * - if no sip: is present, prepend it
1910  *
1911  * The result is a syntaxically correct SIP address.
1912 **/
1913
1914 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1915         enum_lookup_res_t *enumres=NULL;
1916         char *enum_domain=NULL;
1917         LinphoneProxyConfig *proxy=lc->default_proxy;;
1918         char *tmpurl;
1919         LinphoneAddress *uri;
1920
1921         if (is_enum(url,&enum_domain)){
1922                 if (lc->vtable.display_status!=NULL)
1923                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1924                 if (enum_lookup(enum_domain,&enumres)<0){
1925                         if (lc->vtable.display_status!=NULL)
1926                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1927                         ms_free(enum_domain);
1928                         return NULL;
1929                 }
1930                 ms_free(enum_domain);
1931                 tmpurl=enumres->sip_address[0];
1932                 uri=linphone_address_new(tmpurl);
1933                 enum_lookup_res_free(enumres);
1934                 return uri;
1935         }
1936         /* check if we have a "sip:" */
1937         if (strstr(url,"sip:")==NULL){
1938                 /* this doesn't look like a true sip uri */
1939                 if (strchr(url,'@')!=NULL){
1940                         /* seems like sip: is missing !*/
1941                         tmpurl=ms_strdup_printf("sip:%s",url);
1942                         uri=linphone_address_new(tmpurl);
1943                         ms_free(tmpurl);
1944                         if (uri){
1945                                 return uri;
1946                         }
1947                 }
1948
1949                 if (proxy!=NULL){
1950                         /* append the proxy domain suffix */
1951                         const char *identity=linphone_proxy_config_get_identity(proxy);
1952                         char normalized_username[128];
1953                         uri=linphone_address_new(identity);
1954                         if (uri==NULL){
1955                                 return NULL;
1956                         }
1957                         linphone_address_set_display_name(uri,NULL);
1958                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1959                                                                 sizeof(normalized_username));
1960                         linphone_address_set_username(uri,normalized_username);
1961                         return uri;
1962                 }else return NULL;
1963         }
1964         uri=linphone_address_new(url);
1965         if (uri!=NULL){
1966                 return uri;
1967         }
1968         /* else we could not do anything with url given by user, so display an error */
1969         if (lc->vtable.display_warning!=NULL){
1970                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1971         }
1972         return NULL;
1973 }
1974
1975 /**
1976  * Returns the default identity SIP address.
1977  *
1978  * @ingroup proxies
1979  * This is an helper function:
1980  *
1981  * If no default proxy is set, this will return the primary contact (
1982  * see linphone_core_get_primary_contact() ). If a default proxy is set
1983  * it returns the registered identity on the proxy.
1984 **/
1985 const char * linphone_core_get_identity(LinphoneCore *lc){
1986         LinphoneProxyConfig *proxy=NULL;
1987         const char *from;
1988         linphone_core_get_default_proxy(lc,&proxy);
1989         if (proxy!=NULL) {
1990                 from=linphone_proxy_config_get_identity(proxy);
1991         }else from=linphone_core_get_primary_contact(lc);
1992         return from;
1993 }
1994
1995 const char * linphone_core_get_route(LinphoneCore *lc){
1996         LinphoneProxyConfig *proxy=NULL;
1997         const char *route=NULL;
1998         linphone_core_get_default_proxy(lc,&proxy);
1999         if (proxy!=NULL) {
2000                 route=linphone_proxy_config_get_route(proxy);
2001         }
2002         return route;
2003 }
2004
2005 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2006         if (call->refer_pending){
2007                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2008                 LinphoneCall *newcall;
2009                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2010                 cp->referer=call;
2011                 ms_message("Starting new call to refered address %s",call->refer_to);
2012                 call->refer_pending=FALSE;
2013                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2014                 linphone_call_params_destroy(cp);
2015                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2016         }
2017 }
2018
2019 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2020         if (referer->op!=NULL){
2021                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2022         }
2023 }
2024
2025 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2026         const MSList *elem;
2027         LinphoneProxyConfig *found_cfg=NULL;
2028         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2029
2030         /*always prefer the default proxy if it is matching the destination uri*/
2031         if (default_cfg){
2032                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2033                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2034                         return default_cfg;
2035         }
2036
2037         /*otherwise iterate through the other proxy config and return the first matching*/
2038         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2039                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2040                 const char *domain=linphone_proxy_config_get_domain(cfg);
2041                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2042                         found_cfg=cfg;
2043                         break;
2044                 }
2045         }
2046         return found_cfg;
2047 }
2048
2049 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2050         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2051         if (cfg==NULL)
2052                 linphone_core_get_default_proxy (lc,&cfg);
2053         if (cfg!=NULL){
2054                 if (route) *route=linphone_proxy_config_get_route(cfg);
2055                 return linphone_proxy_config_get_identity (cfg);
2056         }
2057         return linphone_core_get_primary_contact (lc);
2058 }
2059
2060 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2061         LinphoneAddress *ctt;
2062         const char *localip=call->localip;
2063
2064         /* first use user's supplied ip address if asked*/
2065         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2066                 ctt=linphone_core_get_primary_contact_parsed(lc);
2067                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2068                         linphone_core_get_nat_address_resolved(lc));
2069         }
2070
2071         /* if already choosed, don't change it */
2072         if (call->op && sal_op_get_contact(call->op)!=NULL){
2073                 return NULL;
2074         }
2075         /* if the ping OPTIONS request succeeded use the contact guessed from the
2076          received, rport*/
2077         if (call->ping_op){
2078                 const char *guessed=sal_op_get_contact(call->ping_op);
2079                 if (guessed){
2080                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2081                         return ms_strdup(guessed);
2082                 }
2083         }
2084
2085         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2086         if (dest_proxy && dest_proxy->op){
2087                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2088                 if (fixed_contact) {
2089                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2090                         return ms_strdup(fixed_contact);
2091                 }
2092         }
2093
2094         ctt=linphone_core_get_primary_contact_parsed(lc);
2095
2096         if (ctt!=NULL){
2097                 char *ret;
2098                 /*otherwise use supllied localip*/
2099                 linphone_address_set_domain(ctt,localip);
2100                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2101                 ret=linphone_address_as_string_uri_only(ctt);
2102                 linphone_address_destroy(ctt);
2103                 ms_message("Contact has been fixed using local ip to %s",ret);
2104                 return ret;
2105         }
2106         return NULL;
2107 }
2108
2109 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2110         int err;
2111         char *contact;
2112         char *real_url,*barmsg;
2113         char *from;
2114
2115         /*try to be best-effort in giving real local or routable contact address */
2116         contact=get_fixed_contact(lc,call,dest_proxy);
2117         if (contact){
2118                 sal_op_set_contact(call->op, contact);
2119                 ms_free(contact);
2120         }
2121         linphone_core_stop_dtmf_stream(lc);
2122         linphone_call_init_media_streams(call);
2123         if (lc->ringstream==NULL)
2124                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2125         if (!lc->sip_conf.sdp_200_ack){
2126                 call->media_pending=TRUE;
2127                 sal_call_set_local_media_description(call->op,call->localdesc);
2128         }
2129         real_url=linphone_address_as_string(call->log->to);
2130         from=linphone_address_as_string(call->log->from);
2131         err=sal_call(call->op,from,real_url);
2132
2133         if (lc->sip_conf.sdp_200_ack){
2134                 call->media_pending=TRUE;
2135                 sal_call_set_local_media_description(call->op,call->localdesc);
2136         }
2137         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2138         if (lc->vtable.display_status!=NULL)
2139                 lc->vtable.display_status(lc,barmsg);
2140         ms_free(barmsg);
2141
2142         if (err<0){
2143                 if (lc->vtable.display_status!=NULL)
2144                         lc->vtable.display_status(lc,_("Could not call"));
2145                 linphone_call_stop_media_streams(call);
2146                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2147         }else {
2148                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2149         }
2150         ms_free(real_url);
2151         ms_free(from);
2152         return err;
2153 }
2154
2155 /**
2156  * Initiates an outgoing call
2157  *
2158  * @ingroup call_control
2159  * @param lc the LinphoneCore object
2160  * @param url the destination of the call (sip address, or phone number).
2161  *
2162  * The application doesn't own a reference to the returned LinphoneCall object.
2163  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2164  *
2165  * @return a LinphoneCall object or NULL in case of failure
2166 **/
2167 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2168         LinphoneCall *call;
2169         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2170         p->has_video &= !!lc->video_policy.automatically_initiate;
2171         call=linphone_core_invite_with_params(lc,url,p);
2172         linphone_call_params_destroy(p);
2173         return call;
2174 }
2175
2176
2177 /**
2178  * Initiates an outgoing call according to supplied call parameters
2179  *
2180  * @ingroup call_control
2181  * @param lc the LinphoneCore object
2182  * @param url the destination of the call (sip address, or phone number).
2183  * @param p call parameters
2184  *
2185  * The application doesn't own a reference to the returned LinphoneCall object.
2186  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2187  *
2188  * @return a LinphoneCall object or NULL in case of failure
2189 **/
2190 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2191         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2192         if (addr){
2193                 LinphoneCall *call;
2194                 call=linphone_core_invite_address_with_params(lc,addr,p);
2195                 linphone_address_destroy(addr);
2196                 return call;
2197         }
2198         return NULL;
2199 }
2200
2201 /**
2202  * Initiates an outgoing call given a destination LinphoneAddress
2203  *
2204  * @ingroup call_control
2205  * @param lc the LinphoneCore object
2206  * @param addr the destination of the call (sip address).
2207  *
2208  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2209  * created by linphone_core_interpret_url().
2210  * The application doesn't own a reference to the returned LinphoneCall object.
2211  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2212  *
2213  * @return a LinphoneCall object or NULL in case of failure
2214 **/
2215 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2216         LinphoneCall *call;
2217         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2218         p->has_video &= !!lc->video_policy.automatically_initiate;
2219         call=linphone_core_invite_address_with_params (lc,addr,p);
2220         linphone_call_params_destroy(p);
2221         return call;
2222 }
2223
2224
2225 /**
2226  * Initiates an outgoing call given a destination LinphoneAddress
2227  *
2228  * @ingroup call_control
2229  * @param lc the LinphoneCore object
2230  * @param addr the destination of the call (sip address).
2231         @param params call parameters
2232  *
2233  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2234  * created by linphone_core_interpret_url().
2235  * The application doesn't own a reference to the returned LinphoneCall object.
2236  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2237  *
2238  * @return a LinphoneCall object or NULL in case of failure
2239 **/
2240 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2241 {
2242         const char *route=NULL;
2243         const char *from=NULL;
2244         LinphoneProxyConfig *proxy=NULL;
2245         LinphoneAddress *parsed_url2=NULL;
2246         char *real_url=NULL;
2247         LinphoneProxyConfig *dest_proxy=NULL;
2248         LinphoneCall *call;
2249
2250         linphone_core_preempt_sound_resources(lc);
2251
2252         if(!linphone_core_can_we_add_call(lc)){
2253                 if (lc->vtable.display_warning)
2254                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2255                 return NULL;
2256         }
2257         linphone_core_get_default_proxy(lc,&proxy);
2258         route=linphone_core_get_route(lc);
2259
2260         real_url=linphone_address_as_string(addr);
2261         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2262
2263         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2264                 ms_message("Overriding default proxy setting for this call:");
2265                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2266         }
2267
2268         if (dest_proxy!=NULL)
2269                 from=linphone_proxy_config_get_identity(dest_proxy);
2270         else if (proxy!=NULL)
2271                 from=linphone_proxy_config_get_identity(proxy);
2272
2273         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2274         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2275
2276         parsed_url2=linphone_address_new(from);
2277
2278         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2279         sal_op_set_route(call->op,route);
2280
2281         if(linphone_core_add_call(lc,call)!= 0)
2282         {
2283                 ms_warning("we had a problem in adding the call into the invite ... weird");
2284                 linphone_call_unref(call);
2285                 return NULL;
2286         }
2287         /* this call becomes now the current one*/
2288         lc->current_call=call;
2289         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2290         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2291                 /* Defer the start of the call after the ICE gathering process. */
2292                 linphone_call_init_media_streams(call);
2293                 linphone_call_start_media_streams_for_ice_gathering(call);
2294                 call->start_time=time(NULL);
2295                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2296                         /* Ice candidates gathering failed, proceed with the call anyway. */
2297                         ice_session_destroy(sal_op_get_ice_session(call->op));
2298                         sal_op_set_ice_session(call->op, NULL);
2299                         linphone_call_stop_media_streams(call);
2300                 } else {
2301                         if (real_url!=NULL) ms_free(real_url);
2302                         return call;
2303                 }
2304         }
2305         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2306                 linphone_core_start_invite(lc,call,dest_proxy);
2307         }else{
2308                 /*defer the start of the call after the OPTIONS ping*/
2309                 call->ping_op=sal_op_new(lc->sal);
2310                 sal_ping(call->ping_op,from,real_url);
2311                 sal_op_set_user_pointer(call->ping_op,call);
2312                 call->start_time=time(NULL);
2313         }
2314
2315         if (real_url!=NULL) ms_free(real_url);
2316         return call;
2317 }
2318
2319 /**
2320  * Performs a simple call transfer to the specified destination.
2321  *
2322  * The remote endpoint is expected to issue a new call to the specified destination.
2323  * The current call remains active and thus can be later paused or terminated.
2324 **/
2325 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2326 {
2327         char *real_url=NULL;
2328         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2329
2330         if (!real_parsed_url){
2331                 /* bad url */
2332                 return -1;
2333         }
2334         if (call==NULL){
2335                 ms_warning("No established call to refer.");
2336                 return -1;
2337         }
2338         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2339         real_url=linphone_address_as_string (real_parsed_url);
2340         sal_call_refer(call->op,real_url);
2341         ms_free(real_url);
2342         linphone_address_destroy(real_parsed_url);
2343         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2344         return 0;
2345 }
2346
2347 /**
2348  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2349  * @param lc linphone core object
2350  * @param call a running call you want to transfer
2351  * @param dest a running call whose remote person will receive the transfer
2352  *
2353  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2354  * The destination call is a call previously established to introduce the transfered person.
2355  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2356  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2357  * close the call with us (the 'dest' call).
2358 **/
2359 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2360         int result = sal_call_refer_with_replaces (call->op,dest->op);
2361         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2362         return result;
2363 }
2364
2365 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2366         LinphoneCall *call = linphone_core_get_current_call(lc);
2367         if(call != NULL)
2368         {
2369                 if(call->dir==LinphoneCallIncoming
2370                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2371                         return TRUE;
2372         }
2373         return FALSE;
2374 }
2375
2376 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2377         char *barmesg;
2378         char *tmp;
2379         LinphoneAddress *from_parsed;
2380         SalMediaDescription *md;
2381         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2382         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2383
2384         /* Regenerate final media description to include all ICE candidates. */
2385         md=sal_call_get_final_media_description(call->op);
2386
2387         if (md && sal_media_description_empty(md)){
2388                 sal_call_decline(call->op,SalReasonMedia,NULL);
2389                 linphone_call_unref(call);
2390                 return;
2391         }
2392
2393         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2394         linphone_address_clean(from_parsed);
2395         tmp=linphone_address_as_string(from_parsed);
2396         linphone_address_destroy(from_parsed);
2397         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2398             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2399         if (lc->vtable.show) lc->vtable.show(lc);
2400         if (lc->vtable.display_status)
2401             lc->vtable.display_status(lc,barmesg);
2402
2403         /* play the ring if this is the only call*/
2404         if (ms_list_size(lc->calls)==1){
2405                 lc->current_call=call;
2406                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2407                         ring_stop(lc->ringstream);
2408                         lc->ringstream=NULL;
2409                         lc->dmfs_playing_start_time=0;
2410                 }
2411                 if (lc->sound_conf.ring_sndcard!=NULL){
2412                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2413                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2414                                 ms_message("Starting local ring...");
2415                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2416                         }
2417                         else
2418                         {
2419                                 ms_message("the local ring is already started");
2420                         }
2421                 }
2422         }else{
2423                 /* else play a tone within the context of the current call */
2424                 call->ringing_beep=TRUE;
2425                 linphone_core_play_tone(lc);
2426         }
2427
2428         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2429
2430         if (call->state==LinphoneCallIncomingReceived){
2431                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2432
2433                 if (propose_early_media || ringback_tone!=NULL){
2434                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2435                         md=sal_call_get_final_media_description(call->op);
2436                         linphone_core_update_streams(lc,call,md);
2437                 }
2438                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2439                         linphone_core_accept_call(lc,call);
2440                 }
2441         }
2442         linphone_call_unref(call);
2443
2444         ms_free(barmesg);
2445         ms_free(tmp);
2446 }
2447
2448 /**
2449  * @ingroup call_control
2450  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2451  *
2452  * In this version this is limited to the following use cases:
2453  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2454  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2455  *
2456  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2457  * @param lc the core
2458  * @param call the call to be updated
2459  * @param params the new call parameters to use. (may be NULL)
2460  * @return 0 if successful, -1 otherwise.
2461 **/
2462 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2463         int err=0;
2464         if (params!=NULL){
2465                 const char *subject;
2466                 call->params=*params;
2467                 call->camera_active=call->params.has_video;
2468                 update_local_media_description(lc,call);
2469
2470                 if (params->in_conference){
2471                         subject="Conference";
2472                 }else{
2473                         subject="Media change";
2474                 }
2475                 if (lc->vtable.display_status)
2476                         lc->vtable.display_status(lc,_("Modifying call parameters..."));
2477                 sal_call_set_local_media_description (call->op,call->localdesc);
2478                 err=sal_call_update(call->op,subject);
2479         }else{
2480 #ifdef VIDEO_ENABLED
2481                 if (call->videostream!=NULL){
2482                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2483                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2484                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2485                         }else video_stream_update_video_params(call->videostream);
2486                 }
2487 #endif
2488         }
2489
2490         return err;
2491 }
2492
2493 /**
2494  * @ingroup call_control
2495  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2496  *
2497  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2498  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2499  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2500  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2501  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2502  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2503  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2504  *
2505  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2506 **/
2507 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2508         if (call->state==LinphoneCallUpdatedByRemote){
2509                 call->defer_update=TRUE;
2510                 return 0;
2511         }
2512         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2513         return -1;
2514 }
2515
2516 /**
2517  * @ingroup call_control
2518  * Accept call modifications initiated by other end.
2519  *
2520  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2521  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2522  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2523  * requested by the other party, such as whether a video stream is requested.
2524  *
2525  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2526  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2527  * If params is not NULL, then the update will be accepted according to the parameters passed.
2528  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2529  * (see linphone_call_params_enable_video()).
2530  * @param lc the linphone core object.
2531  * @param call the LinphoneCall object
2532  * @param params a LinphoneCallParams object describing the call parameters to accept.
2533  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2534 **/
2535 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2536         SalMediaDescription *md;
2537         if (call->state!=LinphoneCallUpdatedByRemote){
2538                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2539                          linphone_call_state_to_string(call->state));
2540                 return -1;
2541         }
2542         if (params==NULL){
2543                 call->params.has_video=lc->video_policy.automatically_accept;
2544         }else
2545                 call->params=*params;
2546
2547         if (call->current_params.in_conference) {
2548                 ms_warning("Video isn't supported in conference");
2549                 call->params.has_video = FALSE;
2550         }
2551         call->camera_active=call->params.has_video;
2552         update_local_media_description(lc,call);
2553         sal_call_set_local_media_description(call->op,call->localdesc);
2554         sal_call_accept(call->op);
2555         md=sal_call_get_final_media_description(call->op);
2556         if (md && !sal_media_description_empty(md))
2557                 linphone_core_update_streams (lc,call,md);
2558         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2559         return 0;
2560 }
2561
2562 /**
2563  * Accept an incoming call.
2564  *
2565  * @ingroup call_control
2566  * Basically the application is notified of incoming calls within the
2567  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2568  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2569  * The application can later accept the call using this method.
2570  * @param lc the LinphoneCore object
2571  * @param call the LinphoneCall object representing the call to be answered.
2572  *
2573 **/
2574 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2575         return linphone_core_accept_call_with_params(lc,call,NULL);
2576 }
2577
2578 /**
2579  * Accept an incoming call, with parameters.
2580  *
2581  * @ingroup call_control
2582  * Basically the application is notified of incoming calls within the
2583  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2584  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2585  * The application can later accept the call using
2586  * this method.
2587  * @param lc the LinphoneCore object
2588  * @param call the LinphoneCall object representing the call to be answered.
2589  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2590  *
2591 **/
2592 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2593 {
2594         LinphoneProxyConfig *cfg=NULL,*dest_proxy=NULL;
2595         const char *contact=NULL;
2596         SalOp *replaced;
2597         SalMediaDescription *new_md;
2598         bool_t was_ringing=FALSE;
2599
2600         if (call==NULL){
2601                 //if just one call is present answer the only one ...
2602                 if(linphone_core_get_calls_nb (lc) != 1)
2603                         return -1;
2604                 else
2605                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2606         }
2607
2608         if (call->state==LinphoneCallConnected){
2609                 /*call already accepted*/
2610                 return -1;
2611         }
2612
2613         /* check if this call is supposed to replace an already running one*/
2614         replaced=sal_call_get_replaces(call->op);
2615         if (replaced){
2616                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2617                 if (rc){
2618                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2619                                    call,rc);
2620                         linphone_core_terminate_call(lc,rc);
2621                 }
2622         }
2623
2624         if (lc->current_call!=call){
2625                 linphone_core_preempt_sound_resources(lc);
2626         }
2627
2628         /*stop ringing */
2629         if (lc->ringstream!=NULL) {
2630                 ms_message("stop ringing");
2631                 ring_stop(lc->ringstream);
2632                 ms_message("ring stopped");
2633                 lc->ringstream=NULL;
2634                 was_ringing=TRUE;
2635         }
2636         if (call->ringing_beep){
2637                 linphone_core_stop_dtmf(lc);
2638                 call->ringing_beep=FALSE;
2639         }
2640
2641         linphone_core_get_default_proxy(lc,&cfg);
2642         dest_proxy=cfg;
2643         dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2644
2645         if (cfg!=dest_proxy && dest_proxy!=NULL) {
2646                 ms_message("Overriding default proxy setting for this call:");
2647                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2648         }
2649         /*try to be best-effort in giving real local or routable contact address*/
2650         contact=get_fixed_contact(lc,call,dest_proxy);
2651         if (contact)
2652                 sal_op_set_contact(call->op,contact);
2653
2654         if (call->audiostream==NULL)
2655                 linphone_call_init_media_streams(call);
2656         if (!was_ringing && call->audiostream->ticker==NULL){
2657                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2658         }
2659
2660         if (params){
2661                 call->params=*params;
2662                 call->camera_active=call->params.has_video;
2663                 update_local_media_description(lc,call);
2664                 sal_call_set_local_media_description(call->op,call->localdesc);
2665         }
2666
2667         sal_call_accept(call->op);
2668         if (lc->vtable.display_status!=NULL)
2669                 lc->vtable.display_status(lc,_("Connected."));
2670         lc->current_call=call;
2671         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2672         new_md=sal_call_get_final_media_description(call->op);
2673         linphone_core_update_streams(lc, call, new_md);
2674         if (new_md){
2675                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2676         }else call->media_pending=TRUE;
2677
2678         ms_message("call answered.");
2679         return 0;
2680 }
2681
2682 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2683         sal_call_terminate(call->op);
2684
2685         /*stop ringing*/
2686         if (lc->ringstream!=NULL) {
2687                 ring_stop(lc->ringstream);
2688                 lc->ringstream=NULL;
2689         }
2690         linphone_call_stop_media_streams(call);
2691         if (lc->vtable.display_status!=NULL)
2692                 lc->vtable.display_status(lc,_("Call aborted") );
2693         linphone_call_set_state(call,LinphoneCallError,error);
2694         return 0;
2695 }
2696
2697 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2698         if (call->state==LinphoneCallIncomingReceived){
2699                 if (call->reason!=LinphoneReasonNotAnswered)
2700                         call->reason=LinphoneReasonDeclined;
2701         }
2702         /*stop ringing*/
2703         if (lc->ringstream!=NULL) {
2704                 ring_stop(lc->ringstream);
2705                 lc->ringstream=NULL;
2706         }
2707
2708         linphone_call_stop_media_streams(call);
2709         if (lc->vtable.display_status!=NULL)
2710                 lc->vtable.display_status(lc,_("Call ended") );
2711 }
2712
2713 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2714         if (call->state==LinphoneCallIncomingReceived){
2715                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2716                 call->reason=LinphoneReasonDeclined;
2717                 terminate_call(lc,call);
2718                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2719         }else{
2720                 ms_error("Bad state for call redirection.");
2721                 return -1;
2722     }
2723         return 0;
2724 }
2725
2726
2727 /**
2728  * Terminates a call.
2729  *
2730  * @ingroup call_control
2731  * @param lc the LinphoneCore
2732  * @param the_call the LinphoneCall object representing the call to be terminated.
2733 **/
2734 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2735 {
2736         LinphoneCall *call;
2737         if (the_call == NULL){
2738                 call = linphone_core_get_current_call(lc);
2739                 if (ms_list_size(lc->calls)==1){
2740                         call=(LinphoneCall*)lc->calls->data;
2741                 }else{
2742                         ms_warning("No unique call to terminate !");
2743                         return -1;
2744                 }
2745         }
2746         else
2747         {
2748                 call = the_call;
2749         }
2750         sal_call_terminate(call->op);
2751         terminate_call(lc,call);
2752
2753         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2754         return 0;
2755 }
2756
2757 /**
2758  * Terminates all the calls.
2759  *
2760  * @ingroup call_control
2761  * @param lc The LinphoneCore
2762 **/
2763 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2764         MSList *calls=lc->calls;
2765         while(calls) {
2766                 LinphoneCall *c=(LinphoneCall*)calls->data;
2767                 calls=calls->next;
2768                 linphone_core_terminate_call(lc,c);
2769         }
2770         return 0;
2771 }
2772
2773 /**
2774  * Returns the current list of calls.
2775  *
2776  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2777  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2778  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2779  *
2780  * @ingroup call_control
2781 **/
2782 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2783 {
2784         return lc->calls;
2785 }
2786
2787 /**
2788  * Returns TRUE if there is a call running.
2789  *
2790  * @ingroup call_control
2791 **/
2792 bool_t linphone_core_in_call(const LinphoneCore *lc){
2793         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2794 }
2795
2796 /**
2797  * Returns The _LinphoneCall struct of the current call if one is in call
2798  *
2799  * @ingroup call_control
2800 **/
2801 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2802 {
2803         return lc->current_call;
2804 }
2805
2806 /**
2807  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2808  * this file will be played to the remote user.
2809  *
2810  * @ingroup call_control
2811 **/
2812 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2813 {
2814         const char *subject=NULL;
2815
2816         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2817                 ms_warning("Cannot pause this call, it is not active.");
2818                 return -1;
2819         }
2820         update_local_media_description(lc,call);
2821         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2822                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2823                 subject="Call on hold";
2824         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2825                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2826                 subject="Call on hold for me too";
2827         }else{
2828                 ms_error("No reason to pause this call, it is already paused or inactive.");
2829                 return -1;
2830         }
2831         sal_call_set_local_media_description(call->op,call->localdesc);
2832         if (sal_call_update(call->op,subject) != 0){
2833                 if (lc->vtable.display_warning)
2834                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2835         }
2836         lc->current_call=NULL;
2837         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2838         if (lc->vtable.display_status)
2839                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2840         if (call->audiostream || call->videostream)
2841                 linphone_call_stop_media_streams (call);
2842         return 0;
2843 }
2844
2845 /**
2846  * Pause all currently running calls.
2847 **/
2848 int linphone_core_pause_all_calls(LinphoneCore *lc){
2849         const MSList *elem;
2850         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2851                 LinphoneCall *call=(LinphoneCall *)elem->data;
2852                 LinphoneCallState cs=linphone_call_get_state(call);
2853                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2854                         linphone_core_pause_call(lc,call);
2855                 }
2856         }
2857         return 0;
2858 }
2859
2860 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
2861         LinphoneCall *current_call;
2862         if (linphone_core_is_in_conference(lc)){
2863                 linphone_core_leave_conference(lc);
2864                 return;
2865         }
2866         current_call=linphone_core_get_current_call(lc);
2867         if(current_call != NULL){
2868                 ms_message("Pausing automatically the current call.");
2869                 linphone_core_pause_call(lc,current_call);
2870         }
2871 }
2872
2873 /**
2874  * Resumes the call.
2875  *
2876  * @ingroup call_control
2877 **/
2878 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2879 {
2880         char temp[255]={0};
2881         LinphoneCall *call = the_call;
2882         const char *subject="Call resuming";
2883
2884         if(call->state!=LinphoneCallPaused ){
2885                 ms_warning("we cannot resume a call that has not been established and paused before");
2886                 return -1;
2887         }
2888         if (call->params.in_conference==FALSE){
2889                 linphone_core_preempt_sound_resources(lc);
2890                 ms_message("Resuming call %p",call);
2891         }
2892
2893         /* Stop playing music immediately. If remote side is a conference it
2894          prevents the participants to hear it while the 200OK comes back.*/
2895         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
2896
2897         update_local_media_description(lc,the_call);
2898         sal_call_set_local_media_description(call->op,call->localdesc);
2899         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
2900         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
2901         if(sal_call_update(call->op,subject) != 0){
2902                 return -1;
2903         }
2904         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2905         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2906         if (lc->vtable.display_status)
2907                 lc->vtable.display_status(lc,temp);
2908         return 0;
2909 }
2910
2911 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
2912         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
2913         return !linphone_address_weak_equal (addr,raddr);
2914 }
2915
2916 /**
2917  * Get the call with the remote_address specified
2918  * @param lc
2919  * @param remote_address
2920  * @return the LinphoneCall of the call if found
2921  */
2922 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2923         LinphoneAddress *raddr=linphone_address_new(remote_address);
2924         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
2925         if (elem) return (LinphoneCall*) elem->data;
2926         return NULL;
2927 }
2928
2929 int linphone_core_send_publish(LinphoneCore *lc,
2930                                LinphoneOnlineStatus presence_mode)
2931 {
2932         const MSList *elem;
2933         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2934                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2935                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2936         }
2937         return 0;
2938 }
2939
2940 /**
2941  * Set the incoming call timeout in seconds.
2942  *
2943  * @ingroup call_control
2944  * If an incoming call isn't answered for this timeout period, it is
2945  * automatically declined.
2946 **/
2947 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2948         lc->sip_conf.inc_timeout=seconds;
2949 }
2950
2951 /**
2952  * Returns the incoming call timeout
2953  *
2954  * @ingroup call_control
2955  * See linphone_core_set_inc_timeout() for details.
2956 **/
2957 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2958         return lc->sip_conf.inc_timeout;
2959 }
2960
2961 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2962                                                                                                         const char *contact,
2963                                                                                                         LinphoneOnlineStatus presence_mode)
2964 {
2965         if (minutes_away>0) lc->minutes_away=minutes_away;
2966
2967         if (lc->alt_contact!=NULL) {
2968                 ms_free(lc->alt_contact);
2969                 lc->alt_contact=NULL;
2970         }
2971         if (contact) lc->alt_contact=ms_strdup(contact);
2972         if (lc->presence_mode!=presence_mode){
2973                 linphone_core_notify_all_friends(lc,presence_mode);
2974                 /*
2975                    Improve the use of all LINPHONE_STATUS available.
2976                    !TODO Do not mix "presence status" with "answer status code"..
2977                    Use correct parameter to follow sip_if_match/sip_etag.
2978                  */
2979                 linphone_core_send_publish(lc,presence_mode);
2980         }
2981         lc->presence_mode=presence_mode;
2982 }
2983
2984 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2985         return lc->presence_mode;
2986 }
2987
2988 /**
2989  * Get playback sound level in 0-100 scale.
2990  *
2991  * @ingroup media_parameters
2992 **/
2993 int linphone_core_get_play_level(LinphoneCore *lc)
2994 {
2995         return lc->sound_conf.play_lev;
2996 }
2997
2998 /**
2999  * Get ring sound level in 0-100 scale
3000  *
3001  * @ingroup media_parameters
3002 **/
3003 int linphone_core_get_ring_level(LinphoneCore *lc)
3004 {
3005         return lc->sound_conf.ring_lev;
3006 }
3007
3008 /**
3009  * Get sound capture level in 0-100 scale
3010  *
3011  * @ingroup media_parameters
3012 **/
3013 int linphone_core_get_rec_level(LinphoneCore *lc){
3014         return lc->sound_conf.rec_lev;
3015 }
3016
3017 /**
3018  * Set sound ring level in 0-100 scale
3019  *
3020  * @ingroup media_parameters
3021 **/
3022 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3023         MSSndCard *sndcard;
3024         lc->sound_conf.ring_lev=level;
3025         sndcard=lc->sound_conf.ring_sndcard;
3026         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3027 }
3028
3029 /**
3030  * Allow to control play level before entering sound card:  gain in db
3031  *
3032  * @ingroup media_parameters
3033 **/
3034 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3035         float gain=gaindb;
3036         LinphoneCall *call=linphone_core_get_current_call (lc);
3037         AudioStream *st;
3038
3039         lc->sound_conf.soft_play_lev=gaindb;
3040
3041         if (call==NULL || (st=call->audiostream)==NULL){
3042                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3043                 return;
3044         }
3045         if (st->volrecv){
3046                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3047         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3048 }
3049
3050 /**
3051  * Get playback gain in db before entering  sound card.
3052  *
3053  * @ingroup media_parameters
3054 **/
3055 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3056         return lc->sound_conf.soft_play_lev;
3057 }
3058
3059 /**
3060  * Set sound playback level in 0-100 scale
3061  *
3062  * @ingroup media_parameters
3063 **/
3064 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3065         MSSndCard *sndcard;
3066         lc->sound_conf.play_lev=level;
3067         sndcard=lc->sound_conf.play_sndcard;
3068         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3069 }
3070
3071 /**
3072  * Set sound capture level in 0-100 scale
3073  *
3074  * @ingroup media_parameters
3075 **/
3076 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3077 {
3078         MSSndCard *sndcard;
3079         lc->sound_conf.rec_lev=level;
3080         sndcard=lc->sound_conf.capt_sndcard;
3081         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3082 }
3083
3084 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3085         MSSndCard *sndcard=NULL;
3086         if (devid!=NULL){
3087                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3088                 if (sndcard!=NULL &&
3089                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3090                         ms_warning("%s card does not have the %s capability, ignoring.",
3091                                 devid,
3092                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3093                         sndcard=NULL;
3094                 }
3095         }
3096         if (sndcard==NULL) {
3097                 /* get a card that has read+write capabilities */
3098                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3099                 /* otherwise refine to the first card having the right capability*/
3100                 if (sndcard==NULL){
3101                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3102                         for(;elem!=NULL;elem=elem->next){
3103                                 sndcard=(MSSndCard*)elem->data;
3104                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3105                         }
3106                 }
3107                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3108                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3109                         if (elem) sndcard=(MSSndCard*)elem->data;
3110         }
3111         }
3112         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3113         return sndcard;
3114 }
3115
3116 /**
3117  * Returns true if the specified sound device can capture sound.
3118  *
3119  * @ingroup media_parameters
3120  * @param lc The LinphoneCore object
3121  * @param devid the device name as returned by linphone_core_get_sound_devices()
3122 **/
3123 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3124         MSSndCard *sndcard;
3125         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3126         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3127         return FALSE;
3128 }
3129
3130 /**
3131  * Returns true if the specified sound device can play sound.
3132  *
3133  * @ingroup media_parameters
3134  * @param lc The LinphoneCore object
3135  * @param devid the device name as returned by linphone_core_get_sound_devices()
3136 **/
3137 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3138         MSSndCard *sndcard;
3139         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3140         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3141         return FALSE;
3142 }
3143
3144 /**
3145  * Sets the sound device used for ringing.
3146  *
3147  * @ingroup media_parameters
3148  * @param lc The LinphoneCore object
3149  * @param devid the device name as returned by linphone_core_get_sound_devices()
3150 **/
3151 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3152         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3153         lc->sound_conf.ring_sndcard=card;
3154         if (card && linphone_core_ready(lc))
3155                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3156         return 0;
3157 }
3158
3159 /**
3160  * Sets the sound device used for playback.
3161  *
3162  * @ingroup media_parameters
3163  * @param lc The LinphoneCore object
3164  * @param devid the device name as returned by linphone_core_get_sound_devices()
3165 **/
3166 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3167         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3168         lc->sound_conf.play_sndcard=card;
3169         if (card &&  linphone_core_ready(lc))
3170                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3171         return 0;
3172 }
3173
3174 /**
3175  * Sets the sound device used for capture.
3176  *
3177  * @ingroup media_parameters
3178  * @param lc The LinphoneCore object
3179  * @param devid the device name as returned by linphone_core_get_sound_devices()
3180 **/
3181 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3182         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3183         lc->sound_conf.capt_sndcard=card;
3184         if (card &&  linphone_core_ready(lc))
3185                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3186         return 0;
3187 }
3188
3189 /**
3190  * Returns the name of the currently assigned sound device for ringing.
3191  *
3192  * @ingroup media_parameters
3193  * @param lc The LinphoneCore object
3194 **/
3195 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3196 {
3197         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3198         return NULL;
3199 }
3200
3201 /**
3202  * Returns the name of the currently assigned sound device for playback.
3203  *
3204  * @ingroup media_parameters
3205  * @param lc The LinphoneCore object
3206 **/
3207 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3208 {
3209         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3210 }
3211
3212 /**
3213  * Returns the name of the currently assigned sound device for capture.
3214  *
3215  * @ingroup media_parameters
3216  * @param lc The LinphoneCore object
3217 **/
3218 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3219 {
3220         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3221 }
3222
3223 /**
3224  * Returns an unmodifiable array of available sound devices.
3225  *
3226  * The array is NULL terminated.
3227  *
3228  * @ingroup media_parameters
3229  * @param lc The LinphoneCore object
3230 **/
3231 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3232         return lc->sound_conf.cards;
3233 }
3234
3235 /**
3236  * Returns an unmodifiable array of available video capture devices.
3237  *
3238  * @ingroup media_parameters
3239  * The array is NULL terminated.
3240 **/
3241 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3242         return lc->video_conf.cams;
3243 }
3244
3245 /**
3246  * Update detection of sound devices.
3247  *
3248  * Use this function when the application is notified of USB plug events, so that
3249  * list of available hardwares for sound playback and capture is updated.
3250  **/
3251 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3252         const char *ringer,*playback,*capture;
3253         ringer=linphone_core_get_ringer_device(lc);
3254         playback=linphone_core_get_playback_device(lc);
3255         capture=linphone_core_get_capture_device(lc);
3256         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3257         build_sound_devices_table(lc);
3258         linphone_core_set_ringer_device(lc,ringer);
3259         linphone_core_set_playback_device(lc,playback);
3260         linphone_core_set_capture_device(lc,capture);
3261 }
3262
3263 /**
3264  * Update detection of camera devices.
3265  *
3266  * Use this function when the application is notified of USB plug events, so that
3267  * list of available hardwares for video capture is updated.
3268  **/
3269 void linphone_core_reload_video_devices(LinphoneCore *lc){
3270         const char *devid;
3271         devid=linphone_core_get_video_device(lc);
3272         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3273         build_video_devices_table(lc);
3274         linphone_core_set_video_device(lc,devid);
3275 }
3276
3277 char linphone_core_get_sound_source(LinphoneCore *lc)
3278 {
3279         return lc->sound_conf.source;
3280 }
3281
3282 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3283 {
3284         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3285         lc->sound_conf.source=source;
3286         if (!sndcard) return;
3287         switch(source){
3288                 case 'm':
3289                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3290                         break;
3291                 case 'l':
3292                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3293                         break;
3294         }
3295
3296 }
3297
3298
3299 /**
3300  * Sets the path to a wav file used for ringing.
3301  *
3302  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3303  * @param lc The LinphoneCore object
3304  *
3305  * @ingroup media_parameters
3306 **/
3307 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3308         if (lc->sound_conf.local_ring!=0){
3309                 ms_free(lc->sound_conf.local_ring);
3310                 lc->sound_conf.local_ring=NULL;
3311         }
3312         if (path)
3313                 lc->sound_conf.local_ring=ms_strdup(path);
3314         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3315                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3316 }
3317
3318 /**
3319  * Returns the path to the wav file used for ringing.
3320  *
3321  * @param lc The LinphoneCore object
3322  * @ingroup media_parameters
3323 **/
3324 const char *linphone_core_get_ring(const LinphoneCore *lc){
3325         return lc->sound_conf.local_ring;
3326 }
3327
3328 /**
3329  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3330  *
3331  * @param path
3332  * @param lc The LinphoneCore object
3333  *
3334  * @ingroup media_parameters
3335 **/
3336 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3337         sal_set_root_ca(lc->sal, path);
3338 }
3339
3340 /**
3341  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3342 **/
3343 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3344         sal_verify_server_certificates(lc->sal,yesno);
3345 }
3346
3347 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3348         LinphoneCore *lc=(LinphoneCore*)ud;
3349         lc->preview_finished=1;
3350 }
3351
3352 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3353 {
3354         if (lc->ringstream!=0){
3355                 ms_warning("Cannot start ring now,there's already a ring being played");
3356                 return -1;
3357         }
3358         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3359         lc->preview_finished=0;
3360         if (lc->sound_conf.ring_sndcard!=NULL){
3361                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3362                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3363         }
3364         return 0;
3365 }
3366
3367 /**
3368  * Sets the path to a wav file used for ringing back.
3369  *
3370  * Ringback means the ring that is heard when it's ringing at the remote party.
3371  * The file must be a wav 16bit linear.
3372  *
3373  * @ingroup media_parameters
3374 **/
3375 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3376         if (lc->sound_conf.remote_ring!=0){
3377                 ms_free(lc->sound_conf.remote_ring);
3378         }
3379         lc->sound_conf.remote_ring=ms_strdup(path);
3380 }
3381
3382 /**
3383  * Returns the path to the wav file used for ringing back.
3384  *
3385  * @ingroup media_parameters
3386 **/
3387 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3388         return lc->sound_conf.remote_ring;
3389 }
3390
3391 /**
3392  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3393  *
3394  * @ingroup media_parameters
3395 **/
3396 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3397         lc->sound_conf.ec=val;
3398         if ( linphone_core_ready(lc))
3399                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3400 }
3401
3402
3403 /**
3404  * Returns TRUE if echo cancellation is enabled.
3405  *
3406  * @ingroup media_parameters
3407 **/
3408 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3409         return lc->sound_conf.ec;
3410 }
3411
3412 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3413         lc->sound_conf.ea=val;
3414 }
3415
3416 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3417         return lc->sound_conf.ea;
3418 }
3419
3420 /**
3421  * Mutes or unmutes the local microphone.
3422  *
3423  * @ingroup media_parameters
3424 **/
3425 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3426         LinphoneCall *call=linphone_core_get_current_call(lc);
3427         AudioStream *st=NULL;
3428         if (linphone_core_is_in_conference(lc)){
3429                 lc->conf_ctx.local_muted=val;
3430                 st=lc->conf_ctx.local_participant;
3431         }else if (call==NULL){
3432                 ms_warning("linphone_core_mute_mic(): No current call !");
3433                 return;
3434         }else{
3435                 st=call->audiostream;
3436                 call->audio_muted=val;
3437         }
3438         if (st!=NULL){
3439                 audio_stream_set_mic_gain(st,
3440                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3441                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3442                         audio_stream_mute_rtp(st,val);
3443                 }
3444
3445         }
3446 }
3447 /**
3448  * Returns whether microphone is muted.
3449 **/
3450 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3451         LinphoneCall *call=linphone_core_get_current_call(lc);
3452         if (linphone_core_is_in_conference(lc)){
3453                 return lc->conf_ctx.local_muted;
3454         }else if (call==NULL){
3455                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3456                 return FALSE;
3457         }
3458         return call->audio_muted;
3459 }
3460
3461 // returns rtp transmission status for an active stream
3462 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3463 // was set on then rtp transmission is also muted
3464 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3465         LinphoneCall *call=linphone_core_get_current_call(lc);
3466         if (call==NULL){
3467                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3468                 return FALSE;
3469         }
3470         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3471                 return call->audio_muted;
3472         }
3473         return FALSE;
3474 }
3475
3476 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3477         lc->sound_conf.agc=val;
3478 }
3479
3480 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3481         return lc->sound_conf.agc;
3482 }
3483
3484 /**
3485  * Send the specified dtmf.
3486  *
3487  * @ingroup media_parameters
3488  * This function only works during calls. The dtmf is automatically played to the user.
3489  * @param lc The LinphoneCore object
3490  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3491  *
3492 **/
3493 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3494 {
3495         LinphoneCall *call=linphone_core_get_current_call(lc);
3496         if (call==NULL){
3497                 ms_warning("linphone_core_send_dtmf(): no active call");
3498                 return;
3499         }
3500         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3501         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3502         {
3503                 /* In Band DTMF */
3504                 if (call->audiostream!=NULL){
3505                         audio_stream_send_dtmf(call->audiostream,dtmf);
3506                 }
3507                 else
3508                 {
3509                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3510                 }
3511         }
3512         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3513                 /* Out of Band DTMF (use INFO method) */
3514                 sal_call_send_dtmf(call->op,dtmf);
3515         }
3516 }
3517
3518 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3519         if (lc->net_conf.stun_server!=NULL)
3520                 ms_free(lc->net_conf.stun_server);
3521         if (server)
3522                 lc->net_conf.stun_server=ms_strdup(server);
3523         else lc->net_conf.stun_server=NULL;
3524 }
3525
3526 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3527         return lc->net_conf.stun_server;
3528 }
3529
3530 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3531         return lc->net_conf.relay;
3532 }
3533
3534 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3535         if (lc->net_conf.relay!=NULL){
3536                 ms_free(lc->net_conf.relay);
3537                 lc->net_conf.relay=NULL;
3538         }
3539         if (addr){
3540                 lc->net_conf.relay=ms_strdup(addr);
3541         }
3542         return 0;
3543 }
3544
3545 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3546 {
3547         if (lc->net_conf.nat_address!=NULL){
3548                 ms_free(lc->net_conf.nat_address);
3549         }
3550         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3551         else lc->net_conf.nat_address=NULL;
3552         if (lc->sip_conf.contact) update_primary_contact(lc);
3553 }
3554
3555 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3556         return lc->net_conf.nat_address;
3557 }
3558
3559 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3560 {
3561         struct sockaddr_storage ss;
3562         socklen_t ss_len;
3563         int error;
3564         char ipstring [INET6_ADDRSTRLEN];
3565
3566         if (lc->net_conf.nat_address==NULL) return NULL;
3567
3568         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3569                 return lc->net_conf.nat_address;
3570         }
3571
3572         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3573                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3574         if (error) {
3575                 return lc->net_conf.nat_address;
3576         }
3577
3578         if (lc->net_conf.nat_address_ip!=NULL){
3579                 ms_free(lc->net_conf.nat_address_ip);
3580         }
3581         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3582         return lc->net_conf.nat_address_ip;
3583 }
3584
3585 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3586         lc->net_conf.firewall_policy=pol;
3587         if (lc->sip_conf.contact) update_primary_contact(lc);
3588 }
3589
3590 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3591         return lc->net_conf.firewall_policy;
3592 }
3593
3594 /**
3595  * Get the list of call logs (past calls).
3596  *
3597  * @ingroup call_logs
3598 **/
3599 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3600         return lc->call_logs;
3601 }
3602
3603 /**
3604  * Erase the call log.
3605  *
3606  * @ingroup call_logs
3607 **/
3608 void linphone_core_clear_call_logs(LinphoneCore *lc){
3609         lc->missed_calls=0;
3610         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3611         lc->call_logs=ms_list_free(lc->call_logs);
3612         call_logs_write_to_config_file(lc);
3613 }
3614
3615 /**
3616  * Returns number of missed calls.
3617  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3618 **/
3619 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3620         return lc->missed_calls;
3621 }
3622
3623 /**
3624  * Resets the counter of missed calls.
3625 **/
3626 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3627         lc->missed_calls=0;
3628 }
3629
3630 /**
3631  * Remove a specific call log from call history list.
3632  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3633  * @param lc the linphone core object
3634  * @param a LinphoneCallLog object.
3635 **/
3636 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3637         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3638         call_logs_write_to_config_file(lc);
3639         linphone_call_log_destroy(cl);
3640 }
3641
3642 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3643 #ifdef VIDEO_ENABLED
3644         if (val){
3645                 if (lc->previewstream==NULL){
3646                         lc->previewstream=video_preview_new();
3647                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3648                         if (lc->video_conf.displaytype)
3649                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3650                         if (lc->preview_window_id!=0)
3651                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3652                         video_preview_start(lc->previewstream,lc->video_conf.device);
3653                 }
3654         }else{
3655                 if (lc->previewstream!=NULL){
3656                         video_preview_stop(lc->previewstream);
3657                         lc->previewstream=NULL;
3658                 }
3659         }
3660 #endif
3661 }
3662
3663 /**
3664  * Enables video globally.
3665  *
3666  * @ingroup media_parameters
3667  * This function does not have any effect during calls. It just indicates LinphoneCore to
3668  * initiate future calls with video or not. The two boolean parameters indicate in which
3669  * direction video is enabled. Setting both to false disables video entirely.
3670  *
3671  * @param lc The LinphoneCore object
3672  * @param vcap_enabled indicates whether video capture is enabled
3673  * @param display_enabled indicates whether video display should be shown
3674  *
3675 **/
3676 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3677 #ifndef VIDEO_ENABLED
3678         if (vcap_enabled || display_enabled)
3679                 ms_warning("This version of linphone was built without video support.");
3680 #endif
3681         lc->video_conf.capture=vcap_enabled;
3682         lc->video_conf.display=display_enabled;
3683
3684         /* need to re-apply network bandwidth settings*/
3685         linphone_core_set_download_bandwidth(lc,
3686                 linphone_core_get_download_bandwidth(lc));
3687         linphone_core_set_upload_bandwidth(lc,
3688                 linphone_core_get_upload_bandwidth(lc));
3689 }
3690
3691 bool_t linphone_core_video_supported(LinphoneCore *lc){
3692 #ifdef VIDEO_ENABLED
3693         return TRUE;
3694 #else
3695         return FALSE;
3696 #endif
3697 }
3698
3699 /**
3700  * Returns TRUE if video is enabled, FALSE otherwise.
3701  * @ingroup media_parameters
3702 **/
3703 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3704         return (lc->video_conf.display || lc->video_conf.capture);
3705 }
3706
3707 /**
3708  * Sets the default policy for video.
3709  * This policy defines whether:
3710  * - video shall be initiated by default for outgoing calls
3711  * - video shall be accepter by default for incoming calls
3712  * @ingroup media_parameters
3713 **/
3714 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3715         lc->video_policy=*policy;
3716         if (linphone_core_ready(lc)){
3717                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3718                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3719         }
3720 }
3721
3722 /**
3723  * Get the default policy for video.
3724  * See linphone_core_set_video_policy() for more details.
3725  * @ingroup media_parameters
3726 **/
3727 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3728         return &lc->video_policy;
3729 }
3730
3731 /**
3732  * Controls video preview enablement.
3733  *
3734  * @ingroup media_parameters
3735  * Video preview refers to the action of displaying the local webcam image
3736  * to the user while not in call.
3737 **/
3738 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3739         lc->video_conf.show_local=val;
3740 }
3741
3742 /**
3743  * Returns TRUE if video previewing is enabled.
3744  * @ingroup media_parameters
3745 **/
3746 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3747         return lc->video_conf.show_local;
3748 }
3749
3750 /**
3751  * Enables or disable self view during calls.
3752  *
3753  * @ingroup media_parameters
3754  * Self-view refers to having local webcam image inserted in corner
3755  * of the video window during calls.
3756  * This function works at any time, including during calls.
3757 **/
3758 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3759 #ifdef VIDEO_ENABLED
3760         LinphoneCall *call=linphone_core_get_current_call (lc);
3761         lc->video_conf.selfview=val;
3762         if (call && call->videostream){
3763                 video_stream_enable_self_view(call->videostream,val);
3764         }
3765 #endif
3766 }
3767
3768 /**
3769  * Returns TRUE if self-view is enabled, FALSE otherwise.
3770  *
3771  * @ingroup media_parameters
3772  *
3773  * Refer to linphone_core_enable_self_view() for details.
3774 **/
3775 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3776         return lc->video_conf.selfview;
3777 }
3778
3779 /**
3780  * Sets the active video device.
3781  *
3782  * @ingroup media_parameters
3783  * @param lc The LinphoneCore object
3784  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3785 **/
3786 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3787         MSWebCam *olddev=lc->video_conf.device;
3788         const char *vd;
3789         if (id!=NULL){
3790                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3791                 if (lc->video_conf.device==NULL){
3792                         ms_warning("Could not found video device %s",id);
3793                 }
3794         }
3795         if (lc->video_conf.device==NULL)
3796                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3797         if (olddev!=NULL && olddev!=lc->video_conf.device){
3798                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3799         }
3800         if ( linphone_core_ready(lc) && lc->video_conf.device){
3801                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3802                 if (vd && strstr(vd,"Static picture")!=NULL){
3803                         vd=NULL;
3804                 }
3805                 lp_config_set_string(lc->config,"video","device",vd);
3806         }
3807         return 0;
3808 }
3809
3810 /**
3811  * Returns the name of the currently active video device.
3812  *
3813  * @param lc The LinphoneCore object
3814  * @ingroup media_parameters
3815 **/
3816 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3817         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3818         return NULL;
3819 }
3820
3821 #ifdef VIDEO_ENABLED
3822 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3823         VideoStream *vs = NULL;
3824         LinphoneCall *call=linphone_core_get_current_call (lc);
3825         /* Select the video stream from the call in the first place */
3826         if (call && call->videostream) {
3827                 vs = call->videostream;
3828         }
3829         /* If not in call, select the video stream from the preview */
3830         if (vs == NULL && lc->previewstream) {
3831                 vs = lc->previewstream;
3832         }
3833         return vs;
3834 }
3835 #endif
3836
3837 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3838 #ifdef VIDEO_ENABLED
3839         VideoStream *vs=get_active_video_stream(lc);
3840         /* If we have a video stream (either preview, either from call), we
3841                  have a source and it is using the static picture filter, then
3842                  force the filter to use that picture. */
3843         if (vs && vs->source) {
3844                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3845                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3846                                                                                                                 (void *)path);
3847                 }
3848         }
3849         /* Tell the static image filter to use that image from now on so
3850                  that the image will be used next time it has to be read */
3851         ms_static_image_set_default_image(path);
3852 #else
3853         ms_warning("Video support not compiled.");
3854 #endif
3855         return 0;
3856 }
3857
3858 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3859 #ifdef VIDEO_ENABLED
3860         VideoStream *vs = NULL;
3861
3862         vs=get_active_video_stream(lc);
3863
3864         /* If we have a video stream (either preview, either from call), we
3865                  have a source and it is using the static picture filter, then
3866                  force the filter to use that picture. */
3867         if (vs && vs->source) {
3868                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3869                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3870                 }
3871         }
3872 #else
3873         ms_warning("Video support not compiled.");
3874 #endif
3875         return 0;
3876 }
3877
3878 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
3879 #ifdef VIDEO_ENABLED
3880         VideoStream *vs = NULL;
3881         vs=get_active_video_stream(lc);
3882         /* If we have a video stream (either preview, either from call), we
3883                  have a source and it is using the static picture filter, then
3884                  force the filter to use that picture. */
3885         if (vs && vs->source) {
3886                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3887
3888                         float fps;
3889
3890                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
3891                         return fps;
3892                 }
3893         }
3894 #else
3895         ms_warning("Video support not compiled.");
3896 #endif
3897         return 0;
3898 }
3899
3900 /**
3901  * Returns the native window handle of the video window, casted as an unsigned long.
3902  *
3903  * @ingroup media_parameters
3904 **/
3905 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3906 #ifdef VIDEO_ENABLED
3907         LinphoneCall *call=linphone_core_get_current_call (lc);
3908         if (call && call->videostream)
3909                 return video_stream_get_native_window_id(call->videostream);
3910         if (lc->previewstream)
3911                 return video_stream_get_native_window_id(lc->previewstream);
3912 #endif
3913         return lc->video_window_id;
3914 }
3915
3916 /**@ingroup media_parameters
3917  * Set the native video window id where the video is to be displayed.
3918  * If not set the core will create its own window.
3919 **/
3920 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
3921 #ifdef VIDEO_ENABLED
3922         LinphoneCall *call=linphone_core_get_current_call(lc);
3923         lc->video_window_id=id;
3924         if (call!=NULL && call->videostream){
3925                 video_stream_set_native_window_id(call->videostream,id);
3926         }
3927 #endif
3928 }
3929
3930 /**
3931  * Returns the native window handle of the video preview window, casted as an unsigned long.
3932  *
3933  * @ingroup media_parameters
3934 **/
3935 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
3936 #ifdef VIDEO_ENABLED
3937         LinphoneCall *call=linphone_core_get_current_call (lc);
3938         if (call && call->videostream)
3939                 return video_stream_get_native_preview_window_id(call->videostream);
3940         if (lc->previewstream)
3941                 return video_preview_get_native_window_id(lc->previewstream);
3942 #endif
3943         return lc->preview_window_id;
3944 }
3945
3946 /**
3947  * @ingroup media_parameters
3948  * Set the native window id where the preview video (local camera) is to be displayed.
3949  * This has to be used in conjonction with linphone_core_use_preview_window().
3950  * If not set the core will create its own window.
3951 **/
3952 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
3953         lc->preview_window_id=id;
3954 #ifdef VIDEO_ENABLED
3955         LinphoneCall *call=linphone_core_get_current_call(lc);
3956         if (call!=NULL && call->videostream){
3957                 video_stream_set_native_preview_window_id(call->videostream,id);
3958         }
3959 #endif
3960 }
3961
3962 /**
3963  * Can be used to disable video showing to free XV port
3964 **/
3965 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
3966 #ifdef VIDEO_ENABLED
3967         ms_error("linphone_core_show_video %d", show);
3968         LinphoneCall *call=linphone_core_get_current_call(lc);
3969         if (call!=NULL && call->videostream){
3970                 video_stream_show_video(call->videostream,show);
3971         }
3972 #endif
3973 }
3974
3975 /**
3976  * Tells the core to use a separate window for local camera preview video, instead of
3977  * inserting local view within the remote video window.
3978  *
3979 **/
3980 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
3981         lc->use_preview_window=yesno;
3982 }
3983 /**
3984  * @ingroup media_parameters
3985  *returns current device orientation
3986  */
3987 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
3988         return lc->device_rotation;
3989 }
3990 /**
3991  * @ingroup media_parameters
3992  * Tells the core the device current orientation. This can be used by capture filters
3993  * on mobile devices to select between portrait/landscape mode and to produce properly
3994  * oriented images. The exact meaning of the value in rotation if left to each device
3995  * specific implementations.
3996  *@param lc  object.
3997  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
3998  *
3999 **/
4000 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4001 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4002         lc->device_rotation = rotation;
4003 #ifdef VIDEO_ENABLED
4004         LinphoneCall *call=linphone_core_get_current_call(lc);
4005         if (call!=NULL && call->videostream){
4006                 video_stream_set_device_rotation(call->videostream,rotation);
4007         }
4008 #endif
4009 }
4010
4011 static MSVideoSizeDef supported_resolutions[]={
4012 #ifdef ENABLE_HD
4013         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4014         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4015 #endif
4016         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4017         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4018         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4019         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4020         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4021         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4022         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4023         {       {0,0}                   ,       NULL    }
4024 };
4025
4026 /**
4027  * Returns the zero terminated table of supported video resolutions.
4028  *
4029  * @ingroup media_parameters
4030 **/
4031 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4032         return supported_resolutions;
4033 }
4034
4035 static MSVideoSize video_size_get_by_name(const char *name){
4036         MSVideoSizeDef *pdef=supported_resolutions;
4037         MSVideoSize null_vsize={0,0};
4038         for(;pdef->name!=NULL;pdef++){
4039                 if (strcasecmp(name,pdef->name)==0){
4040                         return pdef->vsize;
4041                 }
4042         }
4043         ms_warning("Video resolution %s is not supported in linphone.",name);
4044         return null_vsize;
4045 }
4046
4047 static const char *video_size_get_name(MSVideoSize vsize){
4048         MSVideoSizeDef *pdef=supported_resolutions;
4049         for(;pdef->name!=NULL;pdef++){
4050                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4051                         return pdef->name;
4052                 }
4053         }
4054         return NULL;
4055 }
4056
4057 static bool_t video_size_supported(MSVideoSize vsize){
4058         if (video_size_get_name(vsize)) return TRUE;
4059         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4060         return FALSE;
4061 }
4062
4063 /**
4064  * Sets the preferred video size.
4065  *
4066  * @ingroup media_parameters
4067  * This applies only to the stream that is captured and sent to the remote party,
4068  * since we accept all standard video size on the receive path.
4069 **/
4070 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4071         if (video_size_supported(vsize)){
4072                 MSVideoSize oldvsize=lc->video_conf.vsize;
4073                 lc->video_conf.vsize=vsize;
4074                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4075                         toggle_video_preview(lc,FALSE);
4076                         toggle_video_preview(lc,TRUE);
4077                 }
4078                 if ( linphone_core_ready(lc))
4079                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4080         }
4081 }
4082
4083 /**
4084  * Sets the preferred video size by its name.
4085  *
4086  * @ingroup media_parameters
4087  * This is identical to linphone_core_set_preferred_video_size() except
4088  * that it takes the name of the video resolution as input.
4089  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4090 **/
4091 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4092         MSVideoSize vsize=video_size_get_by_name(name);
4093         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4094         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4095         else linphone_core_set_preferred_video_size(lc,default_vsize);
4096 }
4097
4098 /**
4099  * Returns the current preferred video size for sending.
4100  *
4101  * @ingroup media_parameters
4102 **/
4103 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4104         return lc->video_conf.vsize;
4105 }
4106
4107 /**
4108  * Ask the core to stream audio from and to files, instead of using the soundcard.
4109 **/
4110 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4111         lc->use_files=yesno;
4112 }
4113
4114 /**
4115  * Sets a wav file to be played when putting somebody on hold,
4116  * or when files are used instead of soundcards (see linphone_core_use_files()).
4117  *
4118  * The file must be a 16 bit linear wav file.
4119 **/
4120 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4121         LinphoneCall *call=linphone_core_get_current_call(lc);
4122         if (lc->play_file!=NULL){
4123                 ms_free(lc->play_file);
4124                 lc->play_file=NULL;
4125         }
4126         if (file!=NULL) {
4127                 lc->play_file=ms_strdup(file);
4128                 if (call && call->audiostream && call->audiostream->ticker)
4129                         audio_stream_play(call->audiostream,file);
4130         }
4131 }
4132
4133
4134 /**
4135  * Sets a wav file where incoming stream is to be recorded,
4136  * when files are used instead of soundcards (see linphone_core_use_files()).
4137  *
4138  * The file must be a 16 bit linear wav file.
4139 **/
4140 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4141         LinphoneCall *call=linphone_core_get_current_call(lc);
4142         if (lc->rec_file!=NULL){
4143                 ms_free(lc->rec_file);
4144                 lc->rec_file=NULL;
4145         }
4146         if (file!=NULL) {
4147                 lc->rec_file=ms_strdup(file);
4148                 if (call && call->audiostream)
4149                         audio_stream_record(call->audiostream,file);
4150         }
4151 }
4152
4153
4154 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4155         LinphoneCall *call=linphone_core_get_current_call (lc);
4156         AudioStream *stream=NULL;
4157         if (call){
4158                 stream=call->audiostream;
4159         }else if (linphone_core_is_in_conference(lc)){
4160                 stream=lc->conf_ctx.local_participant;
4161         }
4162         if (stream){
4163                 return stream->dtmfgen;
4164         }
4165         if (lc->ringstream==NULL){
4166                 float amp=0.1;
4167                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4168                 if (ringcard == NULL)
4169                         return NULL;
4170
4171                 lc->ringstream=ring_start(NULL,0,ringcard);
4172                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4173                 lc->dmfs_playing_start_time=time(NULL);
4174         }else{
4175                 if (lc->dmfs_playing_start_time!=0)
4176                         lc->dmfs_playing_start_time=time(NULL);
4177         }
4178         return lc->ringstream->gendtmf;
4179 }
4180
4181 /**
4182  * @ingroup media_parameters
4183  * Plays a dtmf sound to the local user.
4184  * @param lc #LinphoneCore
4185  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4186  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4187 **/
4188 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4189         MSFilter *f=get_dtmf_gen(lc);
4190         if (f==NULL){
4191                 ms_error("No dtmf generator at this time !");
4192                 return;
4193         }
4194
4195         if (duration_ms>0)
4196                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4197         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4198 }
4199
4200 /**
4201  * @ingroup media_parameters
4202  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4203  * @param lc #LinphoneCore
4204 **/
4205 void linphone_core_play_tone(LinphoneCore *lc){
4206         MSFilter *f=get_dtmf_gen(lc);
4207         MSDtmfGenCustomTone def;
4208         if (f==NULL){
4209                 ms_error("No dtmf generator at this time !");
4210                 return;
4211         }
4212         def.duration=300;
4213         def.frequency=500;
4214         def.amplitude=1;
4215         def.interval=2000;
4216         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4217 }
4218
4219 /**
4220  * @ingroup media_parameters
4221  *
4222  * Stops playing a dtmf started by linphone_core_play_dtmf().
4223 **/
4224 void linphone_core_stop_dtmf(LinphoneCore *lc){
4225         MSFilter *f=get_dtmf_gen(lc);
4226         if (f!=NULL)
4227                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4228 }
4229
4230
4231
4232 /**
4233  * Retrieves the user pointer that was given to linphone_core_new()
4234  *
4235  * @ingroup initializing
4236 **/
4237 void *linphone_core_get_user_data(LinphoneCore *lc){
4238         return lc->data;
4239 }
4240
4241 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4242         lc->data=userdata;
4243 }
4244
4245 int linphone_core_get_mtu(const LinphoneCore *lc){
4246         return lc->net_conf.mtu;
4247 }
4248
4249 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4250         lc->net_conf.mtu=mtu;
4251         if (mtu>0){
4252                 if (mtu<500){
4253                         ms_error("MTU too small !");
4254                         mtu=500;
4255                 }
4256                 ms_set_mtu(mtu);
4257                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4258         }else ms_set_mtu(0);//use mediastreamer2 default value
4259 }
4260
4261 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4262         lc->wait_cb=cb;
4263         lc->wait_ctx=user_context;
4264 }
4265
4266 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4267         if (lc->wait_cb){
4268                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4269         }
4270 }
4271
4272 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4273         if (lc->wait_cb){
4274                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4275         }else{
4276 #ifdef WIN32
4277                 Sleep(50000);
4278 #else
4279                 usleep(50000);
4280 #endif
4281         }
4282 }
4283
4284 void linphone_core_stop_waiting(LinphoneCore *lc){
4285         if (lc->wait_cb){
4286                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4287         }
4288 }
4289
4290 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4291         lc->rtptf=factories;
4292 }
4293
4294 /**
4295  * Retrieve RTP statistics regarding current call.
4296  * @param local RTP statistics computed locally.
4297  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4298  *
4299  * @note Remote RTP statistics is not implemented yet.
4300  *
4301  * @returns 0 or -1 if no call is running.
4302 **/
4303
4304 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4305         LinphoneCall *call=linphone_core_get_current_call (lc);
4306         if (call!=NULL){
4307                 if (call->audiostream!=NULL){
4308                         memset(remote,0,sizeof(*remote));
4309                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4310                         return 0;
4311                 }
4312         }
4313         return -1;
4314 }
4315
4316 void net_config_uninit(LinphoneCore *lc)
4317 {
4318         net_config_t *config=&lc->net_conf;
4319
4320         if (config->stun_server!=NULL){
4321                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
4322                 ms_free(lc->net_conf.stun_server);
4323         }
4324         if (config->nat_address!=NULL){
4325                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4326                 ms_free(lc->net_conf.nat_address);
4327         }
4328         if (lc->net_conf.nat_address_ip !=NULL){
4329                 ms_free(lc->net_conf.nat_address_ip);
4330         }
4331         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
4332         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4333 }
4334
4335
4336 void sip_config_uninit(LinphoneCore *lc)
4337 {
4338         MSList *elem;
4339         int i;
4340         sip_config_t *config=&lc->sip_conf;
4341
4342         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4343         lp_config_set_string(lc->config,"sip","contact",config->contact);
4344         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4345         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4346         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4347         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4348         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4349
4350
4351
4352
4353         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4354                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4355                 linphone_proxy_config_edit(cfg);        /* to unregister */
4356         }
4357
4358         for (i=0;i<20;i++){
4359                 sal_iterate(lc->sal);
4360 #ifndef WIN32
4361                 usleep(100000);
4362 #else
4363                 Sleep(100);
4364 #endif
4365         }
4366
4367         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4368         ms_list_free(config->proxies);
4369         config->proxies=NULL;
4370
4371         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4372
4373         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4374         ms_list_free(lc->auth_info);
4375         lc->auth_info=NULL;
4376
4377         sal_uninit(lc->sal);
4378         lc->sal=NULL;
4379
4380         if (lc->sip_conf.guessed_contact)
4381                 ms_free(lc->sip_conf.guessed_contact);
4382         if (config->contact)
4383                 ms_free(config->contact);
4384
4385 }
4386
4387 void rtp_config_uninit(LinphoneCore *lc)
4388 {
4389         rtp_config_t *config=&lc->rtp_conf;
4390         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4391         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4392         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4393         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4394         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4395 }
4396
4397 void sound_config_uninit(LinphoneCore *lc)
4398 {
4399         sound_config_t *config=&lc->sound_conf;
4400         ms_free(config->cards);
4401
4402         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4403
4404         if (config->local_ring) ms_free(config->local_ring);
4405         if (config->remote_ring) ms_free(config->remote_ring);
4406         ms_snd_card_manager_destroy();
4407 }
4408
4409 void video_config_uninit(LinphoneCore *lc)
4410 {
4411         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4412         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4413         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4414         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
4415         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
4416         if (lc->video_conf.cams)
4417                 ms_free(lc->video_conf.cams);
4418 }
4419
4420 void _linphone_core_codec_config_write(LinphoneCore *lc){
4421         if (linphone_core_ready(lc)){
4422                 PayloadType *pt;
4423                 codecs_config_t *config=&lc->codecs_conf;
4424                 MSList *node;
4425                 char key[50];
4426                 int index;
4427                 index=0;
4428                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4429                         pt=(PayloadType*)(node->data);
4430                         sprintf(key,"audio_codec_%i",index);
4431                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4432                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4433                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4434                         index++;
4435                 }
4436                 sprintf(key,"audio_codec_%i",index);
4437                 lp_config_clean_section (lc->config,key);
4438
4439                 index=0;
4440                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4441                         pt=(PayloadType*)(node->data);
4442                         sprintf(key,"video_codec_%i",index);
4443                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4444                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4445                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4446                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4447                         index++;
4448                 }
4449                 sprintf(key,"video_codec_%i",index);
4450                 lp_config_clean_section (lc->config,key);
4451         }
4452 }
4453
4454 static void codecs_config_uninit(LinphoneCore *lc)
4455 {
4456         _linphone_core_codec_config_write(lc);
4457         ms_list_free(lc->codecs_conf.audio_codecs);
4458         ms_list_free(lc->codecs_conf.video_codecs);
4459 }
4460
4461 void ui_config_uninit(LinphoneCore* lc)
4462 {
4463         if (lc->friends){
4464                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4465                 ms_list_free(lc->friends);
4466                 lc->friends=NULL;
4467         }
4468 }
4469
4470 /**
4471  * Returns the LpConfig object used to manage the storage (config) file.
4472  *
4473  * @ingroup misc
4474  * The application can use the LpConfig object to insert its own private
4475  * sections and pairs of key=value in the configuration file.
4476  *
4477 **/
4478 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4479         return lc->config;
4480 }
4481
4482 static void linphone_core_uninit(LinphoneCore *lc)
4483 {
4484         linphone_core_free_hooks(lc);
4485         while(lc->calls)
4486         {
4487                 LinphoneCall *the_call = lc->calls->data;
4488                 linphone_core_terminate_call(lc,the_call);
4489                 linphone_core_iterate(lc);
4490 #ifdef WIN32
4491                 Sleep(50000);
4492 #else
4493                 usleep(50000);
4494 #endif
4495         }
4496         if (lc->friends)
4497                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4498         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4499 #ifdef VIDEO_ENABLED
4500         if (lc->previewstream!=NULL){
4501                 video_preview_stop(lc->previewstream);
4502                 lc->previewstream=NULL;
4503         }
4504 #endif
4505         ms_event_queue_destroy(lc->msevq);
4506         lc->msevq=NULL;
4507         /* save all config */
4508         net_config_uninit(lc);
4509         rtp_config_uninit(lc);
4510         if (lc->ringstream) ring_stop(lc->ringstream);
4511         sound_config_uninit(lc);
4512         video_config_uninit(lc);
4513         codecs_config_uninit(lc);
4514         ui_config_uninit(lc);
4515         sip_config_uninit(lc);
4516         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4517         lp_config_destroy(lc->config);
4518         lc->config = NULL; /* Mark the config as NULL to block further calls */
4519         sip_setup_unregister_all();
4520
4521         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4522         lc->call_logs=ms_list_free(lc->call_logs);
4523
4524         linphone_core_free_payload_types(lc);
4525         ortp_exit();
4526         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4527 #ifdef TUNNEL_ENABLED
4528         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4529 #endif
4530 }
4531
4532 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4533         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4534         // second get the list of available proxies
4535         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4536         for(;elem!=NULL;elem=elem->next){
4537                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4538                 if (linphone_proxy_config_register_enabled(cfg) ) {
4539                         if (!isReachable) {
4540                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4541                         }else{
4542                                 cfg->commit=TRUE;
4543                         }
4544                 }
4545         }
4546         lc->netup_time=curtime;
4547         lc->network_reachable=isReachable;
4548         if(!isReachable) {
4549                 sal_unlisten_ports (lc->sal);
4550         } else {
4551                 apply_transports(lc);
4552         }
4553
4554 }
4555
4556 void linphone_core_refresh_registers(LinphoneCore* lc) {
4557         const MSList *elem;
4558         if (!lc->network_reachable) {
4559                 ms_warning("Refresh register operation not available (network unreachable)");
4560                 return;
4561         }
4562         elem=linphone_core_get_proxy_config_list(lc);
4563         for(;elem!=NULL;elem=elem->next){
4564                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4565                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4566                         linphone_proxy_config_refresh_register(cfg);
4567                 }
4568         }
4569 }
4570
4571 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4572         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4573         for(;elem!=NULL;elem=elem->next){
4574                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4575                 if (linphone_proxy_config_register_enabled(cfg)) {
4576                         linphone_proxy_config_edit(cfg);
4577                         linphone_proxy_config_done(cfg);
4578                 }
4579         }
4580 }
4581
4582 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4583         //first disable automatic mode
4584         if (lc->auto_net_state_mon) {
4585                 ms_message("Disabling automatic network state monitoring");
4586                 lc->auto_net_state_mon=FALSE;
4587         }
4588         set_network_reachable(lc,isReachable, ms_time(NULL));
4589 }
4590
4591 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
4592         return lc->network_reachable;
4593 }
4594 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4595         return sal_get_socket(lc->sal);
4596 }
4597 /**
4598  * Destroys a LinphoneCore
4599  *
4600  * @ingroup initializing
4601 **/
4602 void linphone_core_destroy(LinphoneCore *lc){
4603         linphone_core_uninit(lc);
4604         ms_free(lc);
4605 }
4606 /**
4607  * Get the number of Call
4608  *
4609  * @ingroup call_control
4610 **/
4611 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4612         return  ms_list_size(lc->calls);;
4613 }
4614
4615 /**
4616  * Check if we do not have exceed the number of simultaneous call
4617  *
4618  * @ingroup call_control
4619 **/
4620 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4621 {
4622         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4623                 return TRUE;
4624         ms_message("Maximum amount of simultaneous calls reached !");
4625         return FALSE;
4626 }
4627
4628
4629 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4630 {
4631         if(linphone_core_can_we_add_call(lc))
4632         {
4633                 lc->calls = ms_list_append(lc->calls,call);
4634                 return 0;
4635         }
4636         return -1;
4637 }
4638
4639 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4640 {
4641         MSList *it;
4642         MSList *the_calls = lc->calls;
4643
4644         it=ms_list_find(the_calls,call);
4645         if (it)
4646         {
4647                 the_calls = ms_list_remove_link(the_calls,it);
4648         }
4649         else
4650         {
4651                 ms_warning("could not find the call into the list\n");
4652                 return -1;
4653         }
4654         lc->calls = the_calls;
4655         return 0;
4656 }
4657
4658 /**
4659  * Specifiies a ring back tone to be played to far end during incoming calls.
4660 **/
4661 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4662         if (lc->sound_conf.ringback_tone){
4663                 ms_free(lc->sound_conf.ringback_tone);
4664                 lc->sound_conf.ringback_tone=NULL;
4665         }
4666         if (file)
4667                 lc->sound_conf.ringback_tone=ms_strdup(file);
4668 }
4669
4670 /**
4671  * Returns the ring back tone played to far end during incoming calls.
4672 **/
4673 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4674         return lc->sound_conf.ringback_tone;
4675 }
4676
4677 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
4678         const MSList *elem;
4679         for(elem=from;elem!=NULL;elem=elem->next){
4680                 PayloadType *pt=(PayloadType*)elem->data;
4681                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0) && (rate == -1 || rate==pt->clock_rate)) {
4682                         return pt;
4683                 }
4684         }
4685         return NULL;
4686 }
4687
4688 /**
4689  * Get payload type  from mime type and clock rate
4690  * @ingroup media_parameters
4691  * This function searches in audio and video codecs for the given payload type name and clockrate.
4692  * Returns NULL if not found.
4693  */
4694 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
4695         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
4696         if (result)  {
4697                 return result;
4698         } else {
4699                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
4700                 if (result) {
4701                         return result;
4702                 }
4703         }
4704         /*not found*/
4705         return NULL;
4706 }
4707
4708 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4709         switch(gs){
4710                 case LinphoneGlobalOff:
4711                         return "LinphoneGlobalOff";
4712                 break;
4713                 case LinphoneGlobalOn:
4714                         return "LinphoneGlobalOn";
4715                 break;
4716                 case LinphoneGlobalStartup:
4717                         return "LinphoneGlobalStartup";
4718                 break;
4719                 case LinphoneGlobalShutdown:
4720                         return "LinphoneGlobalShutdown";
4721                 break;
4722         }
4723         return NULL;
4724 }
4725
4726 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4727         return lc->state;
4728 }
4729
4730 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4731         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4732         linphone_core_init_default_params(lc, p);
4733         return p;
4734 }
4735
4736 const char *linphone_reason_to_string(LinphoneReason err){
4737         switch(err){
4738                 case LinphoneReasonNone:
4739                         return "No error";
4740                 case LinphoneReasonNoResponse:
4741                         return "No response";
4742                 case LinphoneReasonBadCredentials:
4743                         return "Bad credentials";
4744                 case LinphoneReasonDeclined:
4745                         return "Call declined";
4746                 case LinphoneReasonNotFound:
4747                         return "User not found";
4748                 case LinphoneReasonNotAnswered:
4749                         return "Not answered";
4750         }
4751         return "unknown error";
4752 }
4753
4754 const char *linphone_error_to_string(LinphoneReason err){
4755         return linphone_reason_to_string(err);
4756 }
4757 /**
4758  * Enables signaling keep alive
4759  */
4760 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4761         if (enable > 0) {
4762                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4763         } else {
4764                 sal_set_keepalive_period(lc->sal,0);
4765         }
4766 }
4767 /**
4768  * Is signaling keep alive enabled
4769  */
4770 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4771         return sal_get_keepalive_period(lc->sal) > 0;
4772 }
4773
4774 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4775         get_dtmf_gen(lc); /*make sure ring stream is started*/
4776         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4777 }
4778
4779 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4780         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
4781                 ring_stop(lc->ringstream);
4782                 lc->ringstream=NULL;
4783         }
4784 }
4785
4786 int linphone_core_get_max_calls(LinphoneCore *lc) {
4787         return lc->max_calls;
4788 }
4789 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4790         lc->max_calls=max;
4791 }
4792
4793 typedef struct Hook{
4794         LinphoneCoreIterateHook fun;
4795         void *data;
4796 }Hook;
4797
4798 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4799         Hook *h=ms_new(Hook,1);
4800         h->fun=hook;
4801         h->data=hook_data;
4802         return h;
4803 }
4804
4805 static void hook_invoke(Hook *h){
4806         h->fun(h->data);
4807 }
4808
4809 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4810         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4811 }
4812
4813 static void linphone_core_run_hooks(LinphoneCore *lc){
4814         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4815 }
4816
4817 static void linphone_core_free_hooks(LinphoneCore *lc){
4818         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4819         ms_list_free(lc->hooks);
4820         lc->hooks=NULL;
4821 }
4822
4823 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4824         MSList *elem;
4825         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4826                 Hook *h=(Hook*)elem->data;
4827                 if (h->fun==hook && h->data==hook_data){
4828                         ms_list_remove_link(lc->hooks,elem);
4829                         ms_free(h);
4830                         return;
4831                 }
4832         }
4833         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4834 }
4835
4836 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
4837         if (lc->zrtp_secrets_cache != NULL) {
4838                 ms_free(lc->zrtp_secrets_cache);
4839         }
4840         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
4841 }
4842
4843 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
4844         if (uri == NULL) return NULL;
4845         MSList *calls=lc->calls;
4846         while(calls) {
4847                 const LinphoneCall *c=(LinphoneCall*)calls->data;
4848                 calls=calls->next;
4849                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
4850                 char *current_uri=linphone_address_as_string_uri_only(address);
4851                 if (strcmp(uri,current_uri)==0) {
4852                         ms_free(current_uri);
4853                         return c;
4854                 } else {
4855                         ms_free(current_uri);
4856                 }
4857         }
4858         return NULL;
4859 }
4860
4861
4862 /**
4863  * Check if a call will need the sound resources.
4864  *
4865  * @ingroup call_control
4866  * @param lc The LinphoneCore
4867 **/
4868 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
4869         MSList *calls=lc->calls;
4870         while(calls) {
4871                 LinphoneCall *c=(LinphoneCall*)calls->data;
4872                 calls=calls->next;
4873                 switch (c->state) {
4874                         case LinphoneCallOutgoingInit:
4875                         case LinphoneCallOutgoingProgress:
4876                         case LinphoneCallOutgoingRinging:
4877                         case LinphoneCallOutgoingEarlyMedia:
4878                         case LinphoneCallConnected:
4879                         case LinphoneCallRefered:
4880                         case LinphoneCallIncomingEarlyMedia:
4881                         case LinphoneCallUpdated:
4882                                 return TRUE;
4883                         default:
4884                                 break;
4885                 }
4886         }
4887         return FALSE;
4888 }
4889
4890 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
4891         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
4892 }
4893
4894 /**
4895  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
4896 **/
4897 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
4898         switch(menc){
4899                 case LinphoneMediaEncryptionSRTP:
4900                         return ortp_srtp_supported();
4901                 case LinphoneMediaEncryptionZRTP:
4902                         return ortp_zrtp_available();
4903                 case LinphoneMediaEncryptionNone:
4904                         return TRUE;
4905         }
4906         return FALSE;
4907 }
4908
4909 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
4910         const char *type="none";
4911         int ret=0;
4912         if (menc == LinphoneMediaEncryptionSRTP){
4913                 if (!ortp_srtp_supported()){
4914                         ms_warning("SRTP not supported by library.");
4915                         type="none";
4916                         ret=-1;
4917                 }else type="srtp";
4918         }else if (menc == LinphoneMediaEncryptionZRTP){
4919                 if (!ortp_zrtp_available()){
4920                         ms_warning("ZRTP not supported by library.");
4921                         type="none";
4922                         ret=-1;
4923                 }else type="zrtp";
4924         }
4925         lp_config_set_string(lc->config,"sip","media_encryption",type);
4926         return ret;
4927 }
4928
4929 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
4930         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
4931
4932         if (menc == NULL)
4933                 return LinphoneMediaEncryptionNone;
4934         else if (strcmp(menc, "srtp")==0)
4935                 return LinphoneMediaEncryptionSRTP;
4936         else if (strcmp(menc, "zrtp")==0)
4937                 return LinphoneMediaEncryptionZRTP;
4938         else
4939                 return LinphoneMediaEncryptionNone;
4940 }
4941
4942 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
4943         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
4944 }
4945
4946 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
4947         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
4948 }
4949
4950 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
4951         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
4952         params->media_encryption=linphone_core_get_media_encryption(lc);
4953         params->in_conference=FALSE;
4954 }
4955
4956 void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
4957         VideoStream* vstream = call->videostream;
4958         if (vstream) {
4959                 float zoom[3];
4960
4961                 if (zoom_factor < 1)
4962                         zoom_factor = 1;
4963                 float halfsize = 0.5 * 1.0 / zoom_factor;
4964
4965                 if ((*cx - halfsize) < 0)
4966                         *cx = 0 + halfsize;
4967                 if ((*cx + halfsize) > 1)
4968                         *cx = 1 - halfsize;
4969                 if ((*cy - halfsize) < 0)
4970                         *cy = 0 + halfsize;
4971                 if ((*cy + halfsize) > 1)
4972                         *cy = 1 - halfsize;
4973
4974                 zoom[0] = zoom_factor;
4975                 zoom[1] = *cx;
4976                 zoom[2] = *cy;
4977                 ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
4978         }else ms_warning("Could not apply zoom: video output wasn't activated.");
4979 }
4980