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                                 linphone_call_delete_ice_session(call);
1858                                 linphone_call_stop_media_streams(call);
1859                         }
1860                         linphone_core_start_invite(lc,call,NULL);
1861                 }
1862                 if (call->state==LinphoneCallIncomingReceived){
1863                         elapsed=curtime-call->start_time;
1864                         ms_message("incoming call ringing for %i seconds",elapsed);
1865                         if (elapsed>lc->sip_conf.inc_timeout){
1866                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
1867                                 call->log->status=LinphoneCallMissed;
1868                                 call->reason=LinphoneReasonNotAnswered;
1869                                 linphone_core_terminate_call(lc,call);
1870                         }
1871                 }
1872         }
1873
1874         if (linphone_core_video_preview_enabled(lc)){
1875                 if (lc->previewstream==NULL && lc->calls==NULL)
1876                         toggle_video_preview(lc,TRUE);
1877 #ifdef VIDEO_ENABLED
1878                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1879 #endif
1880         }else{
1881                 if (lc->previewstream!=NULL)
1882                         toggle_video_preview(lc,FALSE);
1883         }
1884
1885         linphone_core_run_hooks(lc);
1886         linphone_core_do_plugin_tasks(lc);
1887
1888         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1889             (curtime-lc->netup_time)>3){
1890                 linphone_core_send_initial_subscribes(lc);
1891                 lc->initial_subscribes_sent=TRUE;
1892         }
1893
1894         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1895                 lp_config_sync(lc->config);
1896         }
1897 }
1898
1899 /**
1900  * Interpret a call destination as supplied by the user, and returns a fully qualified
1901  * LinphoneAddress.
1902  *
1903  * A sip address should look like DisplayName <sip:username@domain:port> .
1904  * Basically this function performs the following tasks
1905  * - if a phone number is entered, prepend country prefix of the default proxy
1906  *   configuration, eventually escape the '+' by 00.
1907  * - if no domain part is supplied, append the domain name of the default proxy
1908  * - if no sip: is present, prepend it
1909  *
1910  * The result is a syntaxically correct SIP address.
1911 **/
1912
1913 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1914         enum_lookup_res_t *enumres=NULL;
1915         char *enum_domain=NULL;
1916         LinphoneProxyConfig *proxy=lc->default_proxy;;
1917         char *tmpurl;
1918         LinphoneAddress *uri;
1919
1920         if (is_enum(url,&enum_domain)){
1921                 if (lc->vtable.display_status!=NULL)
1922                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1923                 if (enum_lookup(enum_domain,&enumres)<0){
1924                         if (lc->vtable.display_status!=NULL)
1925                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1926                         ms_free(enum_domain);
1927                         return NULL;
1928                 }
1929                 ms_free(enum_domain);
1930                 tmpurl=enumres->sip_address[0];
1931                 uri=linphone_address_new(tmpurl);
1932                 enum_lookup_res_free(enumres);
1933                 return uri;
1934         }
1935         /* check if we have a "sip:" */
1936         if (strstr(url,"sip:")==NULL){
1937                 /* this doesn't look like a true sip uri */
1938                 if (strchr(url,'@')!=NULL){
1939                         /* seems like sip: is missing !*/
1940                         tmpurl=ms_strdup_printf("sip:%s",url);
1941                         uri=linphone_address_new(tmpurl);
1942                         ms_free(tmpurl);
1943                         if (uri){
1944                                 return uri;
1945                         }
1946                 }
1947
1948                 if (proxy!=NULL){
1949                         /* append the proxy domain suffix */
1950                         const char *identity=linphone_proxy_config_get_identity(proxy);
1951                         char normalized_username[128];
1952                         uri=linphone_address_new(identity);
1953                         if (uri==NULL){
1954                                 return NULL;
1955                         }
1956                         linphone_address_set_display_name(uri,NULL);
1957                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
1958                                                                 sizeof(normalized_username));
1959                         linphone_address_set_username(uri,normalized_username);
1960                         return uri;
1961                 }else return NULL;
1962         }
1963         uri=linphone_address_new(url);
1964         if (uri!=NULL){
1965                 return uri;
1966         }
1967         /* else we could not do anything with url given by user, so display an error */
1968         if (lc->vtable.display_warning!=NULL){
1969                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
1970         }
1971         return NULL;
1972 }
1973
1974 /**
1975  * Returns the default identity SIP address.
1976  *
1977  * @ingroup proxies
1978  * This is an helper function:
1979  *
1980  * If no default proxy is set, this will return the primary contact (
1981  * see linphone_core_get_primary_contact() ). If a default proxy is set
1982  * it returns the registered identity on the proxy.
1983 **/
1984 const char * linphone_core_get_identity(LinphoneCore *lc){
1985         LinphoneProxyConfig *proxy=NULL;
1986         const char *from;
1987         linphone_core_get_default_proxy(lc,&proxy);
1988         if (proxy!=NULL) {
1989                 from=linphone_proxy_config_get_identity(proxy);
1990         }else from=linphone_core_get_primary_contact(lc);
1991         return from;
1992 }
1993
1994 const char * linphone_core_get_route(LinphoneCore *lc){
1995         LinphoneProxyConfig *proxy=NULL;
1996         const char *route=NULL;
1997         linphone_core_get_default_proxy(lc,&proxy);
1998         if (proxy!=NULL) {
1999                 route=linphone_proxy_config_get_route(proxy);
2000         }
2001         return route;
2002 }
2003
2004 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2005         if (call->refer_pending){
2006                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2007                 LinphoneCall *newcall;
2008                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2009                 cp->referer=call;
2010                 ms_message("Starting new call to refered address %s",call->refer_to);
2011                 call->refer_pending=FALSE;
2012                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2013                 linphone_call_params_destroy(cp);
2014                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2015         }
2016 }
2017
2018 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2019         if (referer->op!=NULL){
2020                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2021         }
2022 }
2023
2024 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2025         const MSList *elem;
2026         LinphoneProxyConfig *found_cfg=NULL;
2027         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2028
2029         /*always prefer the default proxy if it is matching the destination uri*/
2030         if (default_cfg){
2031                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2032                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2033                         return default_cfg;
2034         }
2035
2036         /*otherwise iterate through the other proxy config and return the first matching*/
2037         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2038                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2039                 const char *domain=linphone_proxy_config_get_domain(cfg);
2040                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2041                         found_cfg=cfg;
2042                         break;
2043                 }
2044         }
2045         return found_cfg;
2046 }
2047
2048 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2049         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2050         if (cfg==NULL)
2051                 linphone_core_get_default_proxy (lc,&cfg);
2052         if (cfg!=NULL){
2053                 if (route) *route=linphone_proxy_config_get_route(cfg);
2054                 return linphone_proxy_config_get_identity (cfg);
2055         }
2056         return linphone_core_get_primary_contact (lc);
2057 }
2058
2059 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2060         LinphoneAddress *ctt;
2061         const char *localip=call->localip;
2062
2063         /* first use user's supplied ip address if asked*/
2064         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2065                 ctt=linphone_core_get_primary_contact_parsed(lc);
2066                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2067                         linphone_core_get_nat_address_resolved(lc));
2068         }
2069
2070         /* if already choosed, don't change it */
2071         if (call->op && sal_op_get_contact(call->op)!=NULL){
2072                 return NULL;
2073         }
2074         /* if the ping OPTIONS request succeeded use the contact guessed from the
2075          received, rport*/
2076         if (call->ping_op){
2077                 const char *guessed=sal_op_get_contact(call->ping_op);
2078                 if (guessed){
2079                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2080                         return ms_strdup(guessed);
2081                 }
2082         }
2083
2084         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2085         if (dest_proxy && dest_proxy->op){
2086                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2087                 if (fixed_contact) {
2088                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2089                         return ms_strdup(fixed_contact);
2090                 }
2091         }
2092
2093         ctt=linphone_core_get_primary_contact_parsed(lc);
2094
2095         if (ctt!=NULL){
2096                 char *ret;
2097                 /*otherwise use supllied localip*/
2098                 linphone_address_set_domain(ctt,localip);
2099                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2100                 ret=linphone_address_as_string_uri_only(ctt);
2101                 linphone_address_destroy(ctt);
2102                 ms_message("Contact has been fixed using local ip to %s",ret);
2103                 return ret;
2104         }
2105         return NULL;
2106 }
2107
2108 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2109         int err;
2110         char *contact;
2111         char *real_url,*barmsg;
2112         char *from;
2113
2114         /*try to be best-effort in giving real local or routable contact address */
2115         contact=get_fixed_contact(lc,call,dest_proxy);
2116         if (contact){
2117                 sal_op_set_contact(call->op, contact);
2118                 ms_free(contact);
2119         }
2120         linphone_core_stop_dtmf_stream(lc);
2121         linphone_call_init_media_streams(call);
2122         if (lc->ringstream==NULL)
2123                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2124         if (!lc->sip_conf.sdp_200_ack){
2125                 call->media_pending=TRUE;
2126                 sal_call_set_local_media_description(call->op,call->localdesc);
2127         }
2128         real_url=linphone_address_as_string(call->log->to);
2129         from=linphone_address_as_string(call->log->from);
2130         err=sal_call(call->op,from,real_url);
2131
2132         if (lc->sip_conf.sdp_200_ack){
2133                 call->media_pending=TRUE;
2134                 sal_call_set_local_media_description(call->op,call->localdesc);
2135         }
2136         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2137         if (lc->vtable.display_status!=NULL)
2138                 lc->vtable.display_status(lc,barmsg);
2139         ms_free(barmsg);
2140
2141         if (err<0){
2142                 if (lc->vtable.display_status!=NULL)
2143                         lc->vtable.display_status(lc,_("Could not call"));
2144                 linphone_call_stop_media_streams(call);
2145                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2146         }else {
2147                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2148         }
2149         ms_free(real_url);
2150         ms_free(from);
2151         return err;
2152 }
2153
2154 /**
2155  * Initiates an outgoing call
2156  *
2157  * @ingroup call_control
2158  * @param lc the LinphoneCore object
2159  * @param url the destination of the call (sip address, or phone number).
2160  *
2161  * The application doesn't own a reference to the returned LinphoneCall object.
2162  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2163  *
2164  * @return a LinphoneCall object or NULL in case of failure
2165 **/
2166 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2167         LinphoneCall *call;
2168         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2169         p->has_video &= !!lc->video_policy.automatically_initiate;
2170         call=linphone_core_invite_with_params(lc,url,p);
2171         linphone_call_params_destroy(p);
2172         return call;
2173 }
2174
2175
2176 /**
2177  * Initiates an outgoing call according to supplied call parameters
2178  *
2179  * @ingroup call_control
2180  * @param lc the LinphoneCore object
2181  * @param url the destination of the call (sip address, or phone number).
2182  * @param p call parameters
2183  *
2184  * The application doesn't own a reference to the returned LinphoneCall object.
2185  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2186  *
2187  * @return a LinphoneCall object or NULL in case of failure
2188 **/
2189 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2190         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2191         if (addr){
2192                 LinphoneCall *call;
2193                 call=linphone_core_invite_address_with_params(lc,addr,p);
2194                 linphone_address_destroy(addr);
2195                 return call;
2196         }
2197         return NULL;
2198 }
2199
2200 /**
2201  * Initiates an outgoing call given a destination LinphoneAddress
2202  *
2203  * @ingroup call_control
2204  * @param lc the LinphoneCore object
2205  * @param addr the destination of the call (sip address).
2206  *
2207  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2208  * created by linphone_core_interpret_url().
2209  * The application doesn't own a reference to the returned LinphoneCall object.
2210  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2211  *
2212  * @return a LinphoneCall object or NULL in case of failure
2213 **/
2214 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2215         LinphoneCall *call;
2216         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2217         p->has_video &= !!lc->video_policy.automatically_initiate;
2218         call=linphone_core_invite_address_with_params (lc,addr,p);
2219         linphone_call_params_destroy(p);
2220         return call;
2221 }
2222
2223
2224 /**
2225  * Initiates an outgoing call given a destination LinphoneAddress
2226  *
2227  * @ingroup call_control
2228  * @param lc the LinphoneCore object
2229  * @param addr the destination of the call (sip address).
2230         @param params call parameters
2231  *
2232  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2233  * created by linphone_core_interpret_url().
2234  * The application doesn't own a reference to the returned LinphoneCall object.
2235  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2236  *
2237  * @return a LinphoneCall object or NULL in case of failure
2238 **/
2239 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2240 {
2241         const char *route=NULL;
2242         const char *from=NULL;
2243         LinphoneProxyConfig *proxy=NULL;
2244         LinphoneAddress *parsed_url2=NULL;
2245         char *real_url=NULL;
2246         LinphoneProxyConfig *dest_proxy=NULL;
2247         LinphoneCall *call;
2248
2249         linphone_core_preempt_sound_resources(lc);
2250
2251         if(!linphone_core_can_we_add_call(lc)){
2252                 if (lc->vtable.display_warning)
2253                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2254                 return NULL;
2255         }
2256         linphone_core_get_default_proxy(lc,&proxy);
2257         route=linphone_core_get_route(lc);
2258
2259         real_url=linphone_address_as_string(addr);
2260         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2261
2262         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2263                 ms_message("Overriding default proxy setting for this call:");
2264                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2265         }
2266
2267         if (dest_proxy!=NULL)
2268                 from=linphone_proxy_config_get_identity(dest_proxy);
2269         else if (proxy!=NULL)
2270                 from=linphone_proxy_config_get_identity(proxy);
2271
2272         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2273         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2274
2275         parsed_url2=linphone_address_new(from);
2276
2277         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2278         sal_op_set_route(call->op,route);
2279
2280         if(linphone_core_add_call(lc,call)!= 0)
2281         {
2282                 ms_warning("we had a problem in adding the call into the invite ... weird");
2283                 linphone_call_unref(call);
2284                 return NULL;
2285         }
2286         /* this call becomes now the current one*/
2287         lc->current_call=call;
2288         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2289         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2290                 /* Defer the start of the call after the ICE gathering process. */
2291                 linphone_call_init_media_streams(call);
2292                 linphone_call_start_media_streams_for_ice_gathering(call);
2293                 call->start_time=time(NULL);
2294                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2295                         /* Ice candidates gathering failed, proceed with the call anyway. */
2296                         linphone_call_delete_ice_session(call);
2297                         linphone_call_stop_media_streams(call);
2298                 } else {
2299                         if (real_url!=NULL) ms_free(real_url);
2300                         return call;
2301                 }
2302         }
2303         if (dest_proxy!=NULL || lc->sip_conf.ping_with_options==FALSE){
2304                 linphone_core_start_invite(lc,call,dest_proxy);
2305         }else{
2306                 /*defer the start of the call after the OPTIONS ping*/
2307                 call->ping_op=sal_op_new(lc->sal);
2308                 sal_ping(call->ping_op,from,real_url);
2309                 sal_op_set_user_pointer(call->ping_op,call);
2310                 call->start_time=time(NULL);
2311         }
2312
2313         if (real_url!=NULL) ms_free(real_url);
2314         return call;
2315 }
2316
2317 /**
2318  * Performs a simple call transfer to the specified destination.
2319  *
2320  * The remote endpoint is expected to issue a new call to the specified destination.
2321  * The current call remains active and thus can be later paused or terminated.
2322 **/
2323 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2324 {
2325         char *real_url=NULL;
2326         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2327
2328         if (!real_parsed_url){
2329                 /* bad url */
2330                 return -1;
2331         }
2332         if (call==NULL){
2333                 ms_warning("No established call to refer.");
2334                 return -1;
2335         }
2336         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2337         real_url=linphone_address_as_string (real_parsed_url);
2338         sal_call_refer(call->op,real_url);
2339         ms_free(real_url);
2340         linphone_address_destroy(real_parsed_url);
2341         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2342         return 0;
2343 }
2344
2345 /**
2346  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2347  * @param lc linphone core object
2348  * @param call a running call you want to transfer
2349  * @param dest a running call whose remote person will receive the transfer
2350  *
2351  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2352  * The destination call is a call previously established to introduce the transfered person.
2353  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2354  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2355  * close the call with us (the 'dest' call).
2356 **/
2357 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2358         int result = sal_call_refer_with_replaces (call->op,dest->op);
2359         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2360         return result;
2361 }
2362
2363 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2364         LinphoneCall *call = linphone_core_get_current_call(lc);
2365         if(call != NULL)
2366         {
2367                 if(call->dir==LinphoneCallIncoming
2368                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2369                         return TRUE;
2370         }
2371         return FALSE;
2372 }
2373
2374 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2375         char *barmesg;
2376         char *tmp;
2377         LinphoneAddress *from_parsed;
2378         SalMediaDescription *md;
2379         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2380         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2381
2382         /* Regenerate final media description to include all ICE candidates. */
2383         md=sal_call_get_final_media_description(call->op);
2384
2385         if (md && sal_media_description_empty(md)){
2386                 sal_call_decline(call->op,SalReasonMedia,NULL);
2387                 linphone_call_unref(call);
2388                 return;
2389         }
2390
2391         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2392         linphone_address_clean(from_parsed);
2393         tmp=linphone_address_as_string(from_parsed);
2394         linphone_address_destroy(from_parsed);
2395         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2396             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2397         if (lc->vtable.show) lc->vtable.show(lc);
2398         if (lc->vtable.display_status)
2399             lc->vtable.display_status(lc,barmesg);
2400
2401         /* play the ring if this is the only call*/
2402         if (ms_list_size(lc->calls)==1){
2403                 lc->current_call=call;
2404                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2405                         ring_stop(lc->ringstream);
2406                         lc->ringstream=NULL;
2407                         lc->dmfs_playing_start_time=0;
2408                 }
2409                 if (lc->sound_conf.ring_sndcard!=NULL){
2410                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2411                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2412                                 ms_message("Starting local ring...");
2413                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2414                         }
2415                         else
2416                         {
2417                                 ms_message("the local ring is already started");
2418                         }
2419                 }
2420         }else{
2421                 /* else play a tone within the context of the current call */
2422                 call->ringing_beep=TRUE;
2423                 linphone_core_play_tone(lc);
2424         }
2425
2426         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2427
2428         if (call->state==LinphoneCallIncomingReceived){
2429                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2430
2431                 if (propose_early_media || ringback_tone!=NULL){
2432                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2433                         md=sal_call_get_final_media_description(call->op);
2434                         linphone_core_update_streams(lc,call,md);
2435                 }
2436                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2437                         linphone_core_accept_call(lc,call);
2438                 }
2439         }
2440         linphone_call_unref(call);
2441
2442         ms_free(barmesg);
2443         ms_free(tmp);
2444 }
2445
2446 /**
2447  * @ingroup call_control
2448  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2449  *
2450  * In this version this is limited to the following use cases:
2451  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2452  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2453  *
2454  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2455  * @param lc the core
2456  * @param call the call to be updated
2457  * @param params the new call parameters to use. (may be NULL)
2458  * @return 0 if successful, -1 otherwise.
2459 **/
2460 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2461         int err=0;
2462         if (params!=NULL){
2463                 const char *subject;
2464                 call->params=*params;
2465                 call->camera_active=call->params.has_video;
2466                 update_local_media_description(lc,call);
2467
2468                 if (params->in_conference){
2469                         subject="Conference";
2470                 }else{
2471                         subject="Media change";
2472                 }
2473                 if (lc->vtable.display_status)
2474                         lc->vtable.display_status(lc,_("Modifying call parameters..."));
2475                 sal_call_set_local_media_description (call->op,call->localdesc);
2476                 err=sal_call_update(call->op,subject);
2477         }else{
2478 #ifdef VIDEO_ENABLED
2479                 if (call->videostream!=NULL){
2480                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2481                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2482                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2483                         }else video_stream_update_video_params(call->videostream);
2484                 }
2485 #endif
2486         }
2487
2488         return err;
2489 }
2490
2491 /**
2492  * @ingroup call_control
2493  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2494  *
2495  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2496  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2497  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2498  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2499  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2500  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2501  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2502  *
2503  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2504 **/
2505 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2506         if (call->state==LinphoneCallUpdatedByRemote){
2507                 call->defer_update=TRUE;
2508                 return 0;
2509         }
2510         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2511         return -1;
2512 }
2513
2514 /**
2515  * @ingroup call_control
2516  * Accept call modifications initiated by other end.
2517  *
2518  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2519  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2520  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2521  * requested by the other party, such as whether a video stream is requested.
2522  *
2523  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2524  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2525  * If params is not NULL, then the update will be accepted according to the parameters passed.
2526  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2527  * (see linphone_call_params_enable_video()).
2528  * @param lc the linphone core object.
2529  * @param call the LinphoneCall object
2530  * @param params a LinphoneCallParams object describing the call parameters to accept.
2531  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2532 **/
2533 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2534         SalMediaDescription *md;
2535         if (call->state!=LinphoneCallUpdatedByRemote){
2536                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2537                          linphone_call_state_to_string(call->state));
2538                 return -1;
2539         }
2540         if (params==NULL){
2541                 call->params.has_video=lc->video_policy.automatically_accept;
2542         }else
2543                 call->params=*params;
2544
2545         if (call->current_params.in_conference) {
2546                 ms_warning("Video isn't supported in conference");
2547                 call->params.has_video = FALSE;
2548         }
2549         call->camera_active=call->params.has_video;
2550         update_local_media_description(lc,call);
2551         sal_call_set_local_media_description(call->op,call->localdesc);
2552         sal_call_accept(call->op);
2553         md=sal_call_get_final_media_description(call->op);
2554         if (md && !sal_media_description_empty(md))
2555                 linphone_core_update_streams (lc,call,md);
2556         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2557         return 0;
2558 }
2559
2560 /**
2561  * Accept an incoming call.
2562  *
2563  * @ingroup call_control
2564  * Basically the application is notified of incoming calls within the
2565  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2566  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2567  * The application can later accept the call using this method.
2568  * @param lc the LinphoneCore object
2569  * @param call the LinphoneCall object representing the call to be answered.
2570  *
2571 **/
2572 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2573         return linphone_core_accept_call_with_params(lc,call,NULL);
2574 }
2575
2576 /**
2577  * Accept an incoming call, with parameters.
2578  *
2579  * @ingroup call_control
2580  * Basically the application is notified of incoming calls within the
2581  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2582  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2583  * The application can later accept the call using
2584  * this method.
2585  * @param lc the LinphoneCore object
2586  * @param call the LinphoneCall object representing the call to be answered.
2587  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2588  *
2589 **/
2590 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2591 {
2592         LinphoneProxyConfig *cfg=NULL,*dest_proxy=NULL;
2593         const char *contact=NULL;
2594         SalOp *replaced;
2595         SalMediaDescription *new_md;
2596         bool_t was_ringing=FALSE;
2597
2598         if (call==NULL){
2599                 //if just one call is present answer the only one ...
2600                 if(linphone_core_get_calls_nb (lc) != 1)
2601                         return -1;
2602                 else
2603                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2604         }
2605
2606         if (call->state==LinphoneCallConnected){
2607                 /*call already accepted*/
2608                 return -1;
2609         }
2610
2611         /* check if this call is supposed to replace an already running one*/
2612         replaced=sal_call_get_replaces(call->op);
2613         if (replaced){
2614                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2615                 if (rc){
2616                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2617                                    call,rc);
2618                         linphone_core_terminate_call(lc,rc);
2619                 }
2620         }
2621
2622         if (lc->current_call!=call){
2623                 linphone_core_preempt_sound_resources(lc);
2624         }
2625
2626         /*stop ringing */
2627         if (lc->ringstream!=NULL) {
2628                 ms_message("stop ringing");
2629                 ring_stop(lc->ringstream);
2630                 ms_message("ring stopped");
2631                 lc->ringstream=NULL;
2632                 was_ringing=TRUE;
2633         }
2634         if (call->ringing_beep){
2635                 linphone_core_stop_dtmf(lc);
2636                 call->ringing_beep=FALSE;
2637         }
2638
2639         linphone_core_get_default_proxy(lc,&cfg);
2640         dest_proxy=cfg;
2641         dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2642
2643         if (cfg!=dest_proxy && dest_proxy!=NULL) {
2644                 ms_message("Overriding default proxy setting for this call:");
2645                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2646         }
2647         /*try to be best-effort in giving real local or routable contact address*/
2648         contact=get_fixed_contact(lc,call,dest_proxy);
2649         if (contact)
2650                 sal_op_set_contact(call->op,contact);
2651
2652         if (call->audiostream==NULL)
2653                 linphone_call_init_media_streams(call);
2654         if (!was_ringing && call->audiostream->ticker==NULL){
2655                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2656         }
2657
2658         if (params){
2659                 call->params=*params;
2660                 call->camera_active=call->params.has_video;
2661                 update_local_media_description(lc,call);
2662                 sal_call_set_local_media_description(call->op,call->localdesc);
2663         }
2664
2665         sal_call_accept(call->op);
2666         if (lc->vtable.display_status!=NULL)
2667                 lc->vtable.display_status(lc,_("Connected."));
2668         lc->current_call=call;
2669         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2670         new_md=sal_call_get_final_media_description(call->op);
2671         linphone_core_update_streams(lc, call, new_md);
2672         if (new_md){
2673                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2674         }else call->media_pending=TRUE;
2675
2676         ms_message("call answered.");
2677         return 0;
2678 }
2679
2680 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2681         sal_call_terminate(call->op);
2682
2683         /*stop ringing*/
2684         if (lc->ringstream!=NULL) {
2685                 ring_stop(lc->ringstream);
2686                 lc->ringstream=NULL;
2687         }
2688         linphone_call_stop_media_streams(call);
2689         if (lc->vtable.display_status!=NULL)
2690                 lc->vtable.display_status(lc,_("Call aborted") );
2691         linphone_call_set_state(call,LinphoneCallError,error);
2692         return 0;
2693 }
2694
2695 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2696         if (call->state==LinphoneCallIncomingReceived){
2697                 if (call->reason!=LinphoneReasonNotAnswered)
2698                         call->reason=LinphoneReasonDeclined;
2699         }
2700         /*stop ringing*/
2701         if (lc->ringstream!=NULL) {
2702                 ring_stop(lc->ringstream);
2703                 lc->ringstream=NULL;
2704         }
2705
2706         linphone_call_stop_media_streams(call);
2707         if (lc->vtable.display_status!=NULL)
2708                 lc->vtable.display_status(lc,_("Call ended") );
2709 }
2710
2711 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2712         if (call->state==LinphoneCallIncomingReceived){
2713                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2714                 call->reason=LinphoneReasonDeclined;
2715                 terminate_call(lc,call);
2716                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2717         }else{
2718                 ms_error("Bad state for call redirection.");
2719                 return -1;
2720     }
2721         return 0;
2722 }
2723
2724
2725 /**
2726  * Terminates a call.
2727  *
2728  * @ingroup call_control
2729  * @param lc the LinphoneCore
2730  * @param the_call the LinphoneCall object representing the call to be terminated.
2731 **/
2732 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2733 {
2734         LinphoneCall *call;
2735         if (the_call == NULL){
2736                 call = linphone_core_get_current_call(lc);
2737                 if (ms_list_size(lc->calls)==1){
2738                         call=(LinphoneCall*)lc->calls->data;
2739                 }else{
2740                         ms_warning("No unique call to terminate !");
2741                         return -1;
2742                 }
2743         }
2744         else
2745         {
2746                 call = the_call;
2747         }
2748         sal_call_terminate(call->op);
2749         terminate_call(lc,call);
2750
2751         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2752         return 0;
2753 }
2754
2755 /**
2756  * Terminates all the calls.
2757  *
2758  * @ingroup call_control
2759  * @param lc The LinphoneCore
2760 **/
2761 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2762         MSList *calls=lc->calls;
2763         while(calls) {
2764                 LinphoneCall *c=(LinphoneCall*)calls->data;
2765                 calls=calls->next;
2766                 linphone_core_terminate_call(lc,c);
2767         }
2768         return 0;
2769 }
2770
2771 /**
2772  * Returns the current list of calls.
2773  *
2774  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2775  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2776  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2777  *
2778  * @ingroup call_control
2779 **/
2780 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2781 {
2782         return lc->calls;
2783 }
2784
2785 /**
2786  * Returns TRUE if there is a call running.
2787  *
2788  * @ingroup call_control
2789 **/
2790 bool_t linphone_core_in_call(const LinphoneCore *lc){
2791         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2792 }
2793
2794 /**
2795  * Returns The _LinphoneCall struct of the current call if one is in call
2796  *
2797  * @ingroup call_control
2798 **/
2799 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2800 {
2801         return lc->current_call;
2802 }
2803
2804 /**
2805  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2806  * this file will be played to the remote user.
2807  *
2808  * @ingroup call_control
2809 **/
2810 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2811 {
2812         const char *subject=NULL;
2813
2814         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2815                 ms_warning("Cannot pause this call, it is not active.");
2816                 return -1;
2817         }
2818         update_local_media_description(lc,call);
2819         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2820                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2821                 subject="Call on hold";
2822         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2823                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2824                 subject="Call on hold for me too";
2825         }else{
2826                 ms_error("No reason to pause this call, it is already paused or inactive.");
2827                 return -1;
2828         }
2829         sal_call_set_local_media_description(call->op,call->localdesc);
2830         if (sal_call_update(call->op,subject) != 0){
2831                 if (lc->vtable.display_warning)
2832                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2833         }
2834         lc->current_call=NULL;
2835         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2836         if (lc->vtable.display_status)
2837                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2838         if (call->audiostream || call->videostream)
2839                 linphone_call_stop_media_streams (call);
2840         return 0;
2841 }
2842
2843 /**
2844  * Pause all currently running calls.
2845 **/
2846 int linphone_core_pause_all_calls(LinphoneCore *lc){
2847         const MSList *elem;
2848         for(elem=lc->calls;elem!=NULL;elem=elem->next){
2849                 LinphoneCall *call=(LinphoneCall *)elem->data;
2850                 LinphoneCallState cs=linphone_call_get_state(call);
2851                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
2852                         linphone_core_pause_call(lc,call);
2853                 }
2854         }
2855         return 0;
2856 }
2857
2858 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
2859         LinphoneCall *current_call;
2860         if (linphone_core_is_in_conference(lc)){
2861                 linphone_core_leave_conference(lc);
2862                 return;
2863         }
2864         current_call=linphone_core_get_current_call(lc);
2865         if(current_call != NULL){
2866                 ms_message("Pausing automatically the current call.");
2867                 linphone_core_pause_call(lc,current_call);
2868         }
2869 }
2870
2871 /**
2872  * Resumes the call.
2873  *
2874  * @ingroup call_control
2875 **/
2876 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
2877 {
2878         char temp[255]={0};
2879         LinphoneCall *call = the_call;
2880         const char *subject="Call resuming";
2881
2882         if(call->state!=LinphoneCallPaused ){
2883                 ms_warning("we cannot resume a call that has not been established and paused before");
2884                 return -1;
2885         }
2886         if (call->params.in_conference==FALSE){
2887                 linphone_core_preempt_sound_resources(lc);
2888                 ms_message("Resuming call %p",call);
2889         }
2890
2891         /* Stop playing music immediately. If remote side is a conference it
2892          prevents the participants to hear it while the 200OK comes back.*/
2893         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
2894
2895         update_local_media_description(lc,the_call);
2896         sal_call_set_local_media_description(call->op,call->localdesc);
2897         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
2898         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
2899         if(sal_call_update(call->op,subject) != 0){
2900                 return -1;
2901         }
2902         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
2903         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
2904         if (lc->vtable.display_status)
2905                 lc->vtable.display_status(lc,temp);
2906         return 0;
2907 }
2908
2909 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
2910         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
2911         return !linphone_address_weak_equal (addr,raddr);
2912 }
2913
2914 /**
2915  * Get the call with the remote_address specified
2916  * @param lc
2917  * @param remote_address
2918  * @return the LinphoneCall of the call if found
2919  */
2920 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
2921         LinphoneAddress *raddr=linphone_address_new(remote_address);
2922         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
2923         if (elem) return (LinphoneCall*) elem->data;
2924         return NULL;
2925 }
2926
2927 int linphone_core_send_publish(LinphoneCore *lc,
2928                                LinphoneOnlineStatus presence_mode)
2929 {
2930         const MSList *elem;
2931         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
2932                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2933                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
2934         }
2935         return 0;
2936 }
2937
2938 /**
2939  * Set the incoming call timeout in seconds.
2940  *
2941  * @ingroup call_control
2942  * If an incoming call isn't answered for this timeout period, it is
2943  * automatically declined.
2944 **/
2945 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
2946         lc->sip_conf.inc_timeout=seconds;
2947 }
2948
2949 /**
2950  * Returns the incoming call timeout
2951  *
2952  * @ingroup call_control
2953  * See linphone_core_set_inc_timeout() for details.
2954 **/
2955 int linphone_core_get_inc_timeout(LinphoneCore *lc){
2956         return lc->sip_conf.inc_timeout;
2957 }
2958
2959 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
2960                                                                                                         const char *contact,
2961                                                                                                         LinphoneOnlineStatus presence_mode)
2962 {
2963         if (minutes_away>0) lc->minutes_away=minutes_away;
2964
2965         if (lc->alt_contact!=NULL) {
2966                 ms_free(lc->alt_contact);
2967                 lc->alt_contact=NULL;
2968         }
2969         if (contact) lc->alt_contact=ms_strdup(contact);
2970         if (lc->presence_mode!=presence_mode){
2971                 linphone_core_notify_all_friends(lc,presence_mode);
2972                 /*
2973                    Improve the use of all LINPHONE_STATUS available.
2974                    !TODO Do not mix "presence status" with "answer status code"..
2975                    Use correct parameter to follow sip_if_match/sip_etag.
2976                  */
2977                 linphone_core_send_publish(lc,presence_mode);
2978         }
2979         lc->presence_mode=presence_mode;
2980 }
2981
2982 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
2983         return lc->presence_mode;
2984 }
2985
2986 /**
2987  * Get playback sound level in 0-100 scale.
2988  *
2989  * @ingroup media_parameters
2990 **/
2991 int linphone_core_get_play_level(LinphoneCore *lc)
2992 {
2993         return lc->sound_conf.play_lev;
2994 }
2995
2996 /**
2997  * Get ring sound level in 0-100 scale
2998  *
2999  * @ingroup media_parameters
3000 **/
3001 int linphone_core_get_ring_level(LinphoneCore *lc)
3002 {
3003         return lc->sound_conf.ring_lev;
3004 }
3005
3006 /**
3007  * Get sound capture level in 0-100 scale
3008  *
3009  * @ingroup media_parameters
3010 **/
3011 int linphone_core_get_rec_level(LinphoneCore *lc){
3012         return lc->sound_conf.rec_lev;
3013 }
3014
3015 /**
3016  * Set sound ring level in 0-100 scale
3017  *
3018  * @ingroup media_parameters
3019 **/
3020 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3021         MSSndCard *sndcard;
3022         lc->sound_conf.ring_lev=level;
3023         sndcard=lc->sound_conf.ring_sndcard;
3024         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3025 }
3026
3027 /**
3028  * Allow to control play level before entering sound card:  gain in db
3029  *
3030  * @ingroup media_parameters
3031 **/
3032 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3033         float gain=gaindb;
3034         LinphoneCall *call=linphone_core_get_current_call (lc);
3035         AudioStream *st;
3036
3037         lc->sound_conf.soft_play_lev=gaindb;
3038
3039         if (call==NULL || (st=call->audiostream)==NULL){
3040                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3041                 return;
3042         }
3043         if (st->volrecv){
3044                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3045         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3046 }
3047
3048 /**
3049  * Get playback gain in db before entering  sound card.
3050  *
3051  * @ingroup media_parameters
3052 **/
3053 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3054         return lc->sound_conf.soft_play_lev;
3055 }
3056
3057 /**
3058  * Set sound playback level in 0-100 scale
3059  *
3060  * @ingroup media_parameters
3061 **/
3062 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3063         MSSndCard *sndcard;
3064         lc->sound_conf.play_lev=level;
3065         sndcard=lc->sound_conf.play_sndcard;
3066         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3067 }
3068
3069 /**
3070  * Set sound capture level in 0-100 scale
3071  *
3072  * @ingroup media_parameters
3073 **/
3074 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3075 {
3076         MSSndCard *sndcard;
3077         lc->sound_conf.rec_lev=level;
3078         sndcard=lc->sound_conf.capt_sndcard;
3079         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3080 }
3081
3082 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3083         MSSndCard *sndcard=NULL;
3084         if (devid!=NULL){
3085                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3086                 if (sndcard!=NULL &&
3087                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3088                         ms_warning("%s card does not have the %s capability, ignoring.",
3089                                 devid,
3090                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3091                         sndcard=NULL;
3092                 }
3093         }
3094         if (sndcard==NULL) {
3095                 /* get a card that has read+write capabilities */
3096                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3097                 /* otherwise refine to the first card having the right capability*/
3098                 if (sndcard==NULL){
3099                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3100                         for(;elem!=NULL;elem=elem->next){
3101                                 sndcard=(MSSndCard*)elem->data;
3102                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3103                         }
3104                 }
3105                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3106                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3107                         if (elem) sndcard=(MSSndCard*)elem->data;
3108         }
3109         }
3110         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3111         return sndcard;
3112 }
3113
3114 /**
3115  * Returns true if the specified sound device can capture sound.
3116  *
3117  * @ingroup media_parameters
3118  * @param lc The LinphoneCore object
3119  * @param devid the device name as returned by linphone_core_get_sound_devices()
3120 **/
3121 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3122         MSSndCard *sndcard;
3123         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3124         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3125         return FALSE;
3126 }
3127
3128 /**
3129  * Returns true if the specified sound device can play sound.
3130  *
3131  * @ingroup media_parameters
3132  * @param lc The LinphoneCore object
3133  * @param devid the device name as returned by linphone_core_get_sound_devices()
3134 **/
3135 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3136         MSSndCard *sndcard;
3137         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3138         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3139         return FALSE;
3140 }
3141
3142 /**
3143  * Sets the sound device used for ringing.
3144  *
3145  * @ingroup media_parameters
3146  * @param lc The LinphoneCore object
3147  * @param devid the device name as returned by linphone_core_get_sound_devices()
3148 **/
3149 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3150         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3151         lc->sound_conf.ring_sndcard=card;
3152         if (card && linphone_core_ready(lc))
3153                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3154         return 0;
3155 }
3156
3157 /**
3158  * Sets the sound device used for playback.
3159  *
3160  * @ingroup media_parameters
3161  * @param lc The LinphoneCore object
3162  * @param devid the device name as returned by linphone_core_get_sound_devices()
3163 **/
3164 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3165         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3166         lc->sound_conf.play_sndcard=card;
3167         if (card &&  linphone_core_ready(lc))
3168                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3169         return 0;
3170 }
3171
3172 /**
3173  * Sets the sound device used for capture.
3174  *
3175  * @ingroup media_parameters
3176  * @param lc The LinphoneCore object
3177  * @param devid the device name as returned by linphone_core_get_sound_devices()
3178 **/
3179 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3180         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3181         lc->sound_conf.capt_sndcard=card;
3182         if (card &&  linphone_core_ready(lc))
3183                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3184         return 0;
3185 }
3186
3187 /**
3188  * Returns the name of the currently assigned sound device for ringing.
3189  *
3190  * @ingroup media_parameters
3191  * @param lc The LinphoneCore object
3192 **/
3193 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3194 {
3195         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3196         return NULL;
3197 }
3198
3199 /**
3200  * Returns the name of the currently assigned sound device for playback.
3201  *
3202  * @ingroup media_parameters
3203  * @param lc The LinphoneCore object
3204 **/
3205 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3206 {
3207         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3208 }
3209
3210 /**
3211  * Returns the name of the currently assigned sound device for capture.
3212  *
3213  * @ingroup media_parameters
3214  * @param lc The LinphoneCore object
3215 **/
3216 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3217 {
3218         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3219 }
3220
3221 /**
3222  * Returns an unmodifiable array of available sound devices.
3223  *
3224  * The array is NULL terminated.
3225  *
3226  * @ingroup media_parameters
3227  * @param lc The LinphoneCore object
3228 **/
3229 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3230         return lc->sound_conf.cards;
3231 }
3232
3233 /**
3234  * Returns an unmodifiable array of available video capture devices.
3235  *
3236  * @ingroup media_parameters
3237  * The array is NULL terminated.
3238 **/
3239 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3240         return lc->video_conf.cams;
3241 }
3242
3243 /**
3244  * Update detection of sound devices.
3245  *
3246  * Use this function when the application is notified of USB plug events, so that
3247  * list of available hardwares for sound playback and capture is updated.
3248  **/
3249 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3250         const char *ringer,*playback,*capture;
3251         ringer=linphone_core_get_ringer_device(lc);
3252         playback=linphone_core_get_playback_device(lc);
3253         capture=linphone_core_get_capture_device(lc);
3254         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3255         build_sound_devices_table(lc);
3256         linphone_core_set_ringer_device(lc,ringer);
3257         linphone_core_set_playback_device(lc,playback);
3258         linphone_core_set_capture_device(lc,capture);
3259 }
3260
3261 /**
3262  * Update detection of camera devices.
3263  *
3264  * Use this function when the application is notified of USB plug events, so that
3265  * list of available hardwares for video capture is updated.
3266  **/
3267 void linphone_core_reload_video_devices(LinphoneCore *lc){
3268         const char *devid;
3269         devid=linphone_core_get_video_device(lc);
3270         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3271         build_video_devices_table(lc);
3272         linphone_core_set_video_device(lc,devid);
3273 }
3274
3275 char linphone_core_get_sound_source(LinphoneCore *lc)
3276 {
3277         return lc->sound_conf.source;
3278 }
3279
3280 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3281 {
3282         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3283         lc->sound_conf.source=source;
3284         if (!sndcard) return;
3285         switch(source){
3286                 case 'm':
3287                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3288                         break;
3289                 case 'l':
3290                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3291                         break;
3292         }
3293
3294 }
3295
3296
3297 /**
3298  * Sets the path to a wav file used for ringing.
3299  *
3300  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3301  * @param lc The LinphoneCore object
3302  *
3303  * @ingroup media_parameters
3304 **/
3305 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3306         if (lc->sound_conf.local_ring!=0){
3307                 ms_free(lc->sound_conf.local_ring);
3308                 lc->sound_conf.local_ring=NULL;
3309         }
3310         if (path)
3311                 lc->sound_conf.local_ring=ms_strdup(path);
3312         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3313                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3314 }
3315
3316 /**
3317  * Returns the path to the wav file used for ringing.
3318  *
3319  * @param lc The LinphoneCore object
3320  * @ingroup media_parameters
3321 **/
3322 const char *linphone_core_get_ring(const LinphoneCore *lc){
3323         return lc->sound_conf.local_ring;
3324 }
3325
3326 /**
3327  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3328  *
3329  * @param path
3330  * @param lc The LinphoneCore object
3331  *
3332  * @ingroup media_parameters
3333 **/
3334 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3335         sal_set_root_ca(lc->sal, path);
3336 }
3337
3338 /**
3339  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3340 **/
3341 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3342         sal_verify_server_certificates(lc->sal,yesno);
3343 }
3344
3345 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3346         LinphoneCore *lc=(LinphoneCore*)ud;
3347         lc->preview_finished=1;
3348 }
3349
3350 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3351 {
3352         if (lc->ringstream!=0){
3353                 ms_warning("Cannot start ring now,there's already a ring being played");
3354                 return -1;
3355         }
3356         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3357         lc->preview_finished=0;
3358         if (lc->sound_conf.ring_sndcard!=NULL){
3359                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3360                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3361         }
3362         return 0;
3363 }
3364
3365 /**
3366  * Sets the path to a wav file used for ringing back.
3367  *
3368  * Ringback means the ring that is heard when it's ringing at the remote party.
3369  * The file must be a wav 16bit linear.
3370  *
3371  * @ingroup media_parameters
3372 **/
3373 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3374         if (lc->sound_conf.remote_ring!=0){
3375                 ms_free(lc->sound_conf.remote_ring);
3376         }
3377         lc->sound_conf.remote_ring=ms_strdup(path);
3378 }
3379
3380 /**
3381  * Returns the path to the wav file used for ringing back.
3382  *
3383  * @ingroup media_parameters
3384 **/
3385 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3386         return lc->sound_conf.remote_ring;
3387 }
3388
3389 /**
3390  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3391  *
3392  * @ingroup media_parameters
3393 **/
3394 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3395         lc->sound_conf.ec=val;
3396         if ( linphone_core_ready(lc))
3397                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3398 }
3399
3400
3401 /**
3402  * Returns TRUE if echo cancellation is enabled.
3403  *
3404  * @ingroup media_parameters
3405 **/
3406 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3407         return lc->sound_conf.ec;
3408 }
3409
3410 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3411         lc->sound_conf.ea=val;
3412 }
3413
3414 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3415         return lc->sound_conf.ea;
3416 }
3417
3418 /**
3419  * Mutes or unmutes the local microphone.
3420  *
3421  * @ingroup media_parameters
3422 **/
3423 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3424         LinphoneCall *call=linphone_core_get_current_call(lc);
3425         AudioStream *st=NULL;
3426         if (linphone_core_is_in_conference(lc)){
3427                 lc->conf_ctx.local_muted=val;
3428                 st=lc->conf_ctx.local_participant;
3429         }else if (call==NULL){
3430                 ms_warning("linphone_core_mute_mic(): No current call !");
3431                 return;
3432         }else{
3433                 st=call->audiostream;
3434                 call->audio_muted=val;
3435         }
3436         if (st!=NULL){
3437                 audio_stream_set_mic_gain(st,
3438                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3439                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3440                         audio_stream_mute_rtp(st,val);
3441                 }
3442
3443         }
3444 }
3445 /**
3446  * Returns whether microphone is muted.
3447 **/
3448 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3449         LinphoneCall *call=linphone_core_get_current_call(lc);
3450         if (linphone_core_is_in_conference(lc)){
3451                 return lc->conf_ctx.local_muted;
3452         }else if (call==NULL){
3453                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3454                 return FALSE;
3455         }
3456         return call->audio_muted;
3457 }
3458
3459 // returns rtp transmission status for an active stream
3460 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3461 // was set on then rtp transmission is also muted
3462 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3463         LinphoneCall *call=linphone_core_get_current_call(lc);
3464         if (call==NULL){
3465                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3466                 return FALSE;
3467         }
3468         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3469                 return call->audio_muted;
3470         }
3471         return FALSE;
3472 }
3473
3474 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3475         lc->sound_conf.agc=val;
3476 }
3477
3478 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3479         return lc->sound_conf.agc;
3480 }
3481
3482 /**
3483  * Send the specified dtmf.
3484  *
3485  * @ingroup media_parameters
3486  * This function only works during calls. The dtmf is automatically played to the user.
3487  * @param lc The LinphoneCore object
3488  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3489  *
3490 **/
3491 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3492 {
3493         LinphoneCall *call=linphone_core_get_current_call(lc);
3494         if (call==NULL){
3495                 ms_warning("linphone_core_send_dtmf(): no active call");
3496                 return;
3497         }
3498         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3499         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3500         {
3501                 /* In Band DTMF */
3502                 if (call->audiostream!=NULL){
3503                         audio_stream_send_dtmf(call->audiostream,dtmf);
3504                 }
3505                 else
3506                 {
3507                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3508                 }
3509         }
3510         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3511                 /* Out of Band DTMF (use INFO method) */
3512                 sal_call_send_dtmf(call->op,dtmf);
3513         }
3514 }
3515
3516 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3517         if (lc->net_conf.stun_server!=NULL)
3518                 ms_free(lc->net_conf.stun_server);
3519         if (server)
3520                 lc->net_conf.stun_server=ms_strdup(server);
3521         else lc->net_conf.stun_server=NULL;
3522 }
3523
3524 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3525         return lc->net_conf.stun_server;
3526 }
3527
3528 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3529         return lc->net_conf.relay;
3530 }
3531
3532 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3533         if (lc->net_conf.relay!=NULL){
3534                 ms_free(lc->net_conf.relay);
3535                 lc->net_conf.relay=NULL;
3536         }
3537         if (addr){
3538                 lc->net_conf.relay=ms_strdup(addr);
3539         }
3540         return 0;
3541 }
3542
3543 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3544 {
3545         if (lc->net_conf.nat_address!=NULL){
3546                 ms_free(lc->net_conf.nat_address);
3547         }
3548         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3549         else lc->net_conf.nat_address=NULL;
3550         if (lc->sip_conf.contact) update_primary_contact(lc);
3551 }
3552
3553 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3554         return lc->net_conf.nat_address;
3555 }
3556
3557 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3558 {
3559         struct sockaddr_storage ss;
3560         socklen_t ss_len;
3561         int error;
3562         char ipstring [INET6_ADDRSTRLEN];
3563
3564         if (lc->net_conf.nat_address==NULL) return NULL;
3565
3566         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3567                 return lc->net_conf.nat_address;
3568         }
3569
3570         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3571                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3572         if (error) {
3573                 return lc->net_conf.nat_address;
3574         }
3575
3576         if (lc->net_conf.nat_address_ip!=NULL){
3577                 ms_free(lc->net_conf.nat_address_ip);
3578         }
3579         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3580         return lc->net_conf.nat_address_ip;
3581 }
3582
3583 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3584         lc->net_conf.firewall_policy=pol;
3585         if (lc->sip_conf.contact) update_primary_contact(lc);
3586 }
3587
3588 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3589         return lc->net_conf.firewall_policy;
3590 }
3591
3592 /**
3593  * Get the list of call logs (past calls).
3594  *
3595  * @ingroup call_logs
3596 **/
3597 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3598         return lc->call_logs;
3599 }
3600
3601 /**
3602  * Erase the call log.
3603  *
3604  * @ingroup call_logs
3605 **/
3606 void linphone_core_clear_call_logs(LinphoneCore *lc){
3607         lc->missed_calls=0;
3608         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3609         lc->call_logs=ms_list_free(lc->call_logs);
3610         call_logs_write_to_config_file(lc);
3611 }
3612
3613 /**
3614  * Returns number of missed calls.
3615  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3616 **/
3617 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3618         return lc->missed_calls;
3619 }
3620
3621 /**
3622  * Resets the counter of missed calls.
3623 **/
3624 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3625         lc->missed_calls=0;
3626 }
3627
3628 /**
3629  * Remove a specific call log from call history list.
3630  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3631  * @param lc the linphone core object
3632  * @param a LinphoneCallLog object.
3633 **/
3634 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3635         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3636         call_logs_write_to_config_file(lc);
3637         linphone_call_log_destroy(cl);
3638 }
3639
3640 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3641 #ifdef VIDEO_ENABLED
3642         if (val){
3643                 if (lc->previewstream==NULL){
3644                         lc->previewstream=video_preview_new();
3645                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3646                         if (lc->video_conf.displaytype)
3647                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3648                         if (lc->preview_window_id!=0)
3649                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3650                         video_preview_start(lc->previewstream,lc->video_conf.device);
3651                 }
3652         }else{
3653                 if (lc->previewstream!=NULL){
3654                         video_preview_stop(lc->previewstream);
3655                         lc->previewstream=NULL;
3656                 }
3657         }
3658 #endif
3659 }
3660
3661 /**
3662  * Enables video globally.
3663  *
3664  * @ingroup media_parameters
3665  * This function does not have any effect during calls. It just indicates LinphoneCore to
3666  * initiate future calls with video or not. The two boolean parameters indicate in which
3667  * direction video is enabled. Setting both to false disables video entirely.
3668  *
3669  * @param lc The LinphoneCore object
3670  * @param vcap_enabled indicates whether video capture is enabled
3671  * @param display_enabled indicates whether video display should be shown
3672  *
3673 **/
3674 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3675 #ifndef VIDEO_ENABLED
3676         if (vcap_enabled || display_enabled)
3677                 ms_warning("This version of linphone was built without video support.");
3678 #endif
3679         lc->video_conf.capture=vcap_enabled;
3680         lc->video_conf.display=display_enabled;
3681
3682         /* need to re-apply network bandwidth settings*/
3683         linphone_core_set_download_bandwidth(lc,
3684                 linphone_core_get_download_bandwidth(lc));
3685         linphone_core_set_upload_bandwidth(lc,
3686                 linphone_core_get_upload_bandwidth(lc));
3687 }
3688
3689 bool_t linphone_core_video_supported(LinphoneCore *lc){
3690 #ifdef VIDEO_ENABLED
3691         return TRUE;
3692 #else
3693         return FALSE;
3694 #endif
3695 }
3696
3697 /**
3698  * Returns TRUE if video is enabled, FALSE otherwise.
3699  * @ingroup media_parameters
3700 **/
3701 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3702         return (lc->video_conf.display || lc->video_conf.capture);
3703 }
3704
3705 /**
3706  * Sets the default policy for video.
3707  * This policy defines whether:
3708  * - video shall be initiated by default for outgoing calls
3709  * - video shall be accepter by default for incoming calls
3710  * @ingroup media_parameters
3711 **/
3712 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3713         lc->video_policy=*policy;
3714         if (linphone_core_ready(lc)){
3715                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3716                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3717         }
3718 }
3719
3720 /**
3721  * Get the default policy for video.
3722  * See linphone_core_set_video_policy() for more details.
3723  * @ingroup media_parameters
3724 **/
3725 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3726         return &lc->video_policy;
3727 }
3728
3729 /**
3730  * Controls video preview enablement.
3731  *
3732  * @ingroup media_parameters
3733  * Video preview refers to the action of displaying the local webcam image
3734  * to the user while not in call.
3735 **/
3736 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3737         lc->video_conf.show_local=val;
3738 }
3739
3740 /**
3741  * Returns TRUE if video previewing is enabled.
3742  * @ingroup media_parameters
3743 **/
3744 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3745         return lc->video_conf.show_local;
3746 }
3747
3748 /**
3749  * Enables or disable self view during calls.
3750  *
3751  * @ingroup media_parameters
3752  * Self-view refers to having local webcam image inserted in corner
3753  * of the video window during calls.
3754  * This function works at any time, including during calls.
3755 **/
3756 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3757 #ifdef VIDEO_ENABLED
3758         LinphoneCall *call=linphone_core_get_current_call (lc);
3759         lc->video_conf.selfview=val;
3760         if (call && call->videostream){
3761                 video_stream_enable_self_view(call->videostream,val);
3762         }
3763 #endif
3764 }
3765
3766 /**
3767  * Returns TRUE if self-view is enabled, FALSE otherwise.
3768  *
3769  * @ingroup media_parameters
3770  *
3771  * Refer to linphone_core_enable_self_view() for details.
3772 **/
3773 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3774         return lc->video_conf.selfview;
3775 }
3776
3777 /**
3778  * Sets the active video device.
3779  *
3780  * @ingroup media_parameters
3781  * @param lc The LinphoneCore object
3782  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3783 **/
3784 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3785         MSWebCam *olddev=lc->video_conf.device;
3786         const char *vd;
3787         if (id!=NULL){
3788                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3789                 if (lc->video_conf.device==NULL){
3790                         ms_warning("Could not found video device %s",id);
3791                 }
3792         }
3793         if (lc->video_conf.device==NULL)
3794                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3795         if (olddev!=NULL && olddev!=lc->video_conf.device){
3796                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3797         }
3798         if ( linphone_core_ready(lc) && lc->video_conf.device){
3799                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3800                 if (vd && strstr(vd,"Static picture")!=NULL){
3801                         vd=NULL;
3802                 }
3803                 lp_config_set_string(lc->config,"video","device",vd);
3804         }
3805         return 0;
3806 }
3807
3808 /**
3809  * Returns the name of the currently active video device.
3810  *
3811  * @param lc The LinphoneCore object
3812  * @ingroup media_parameters
3813 **/
3814 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3815         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3816         return NULL;
3817 }
3818
3819 #ifdef VIDEO_ENABLED
3820 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3821         VideoStream *vs = NULL;
3822         LinphoneCall *call=linphone_core_get_current_call (lc);
3823         /* Select the video stream from the call in the first place */
3824         if (call && call->videostream) {
3825                 vs = call->videostream;
3826         }
3827         /* If not in call, select the video stream from the preview */
3828         if (vs == NULL && lc->previewstream) {
3829                 vs = lc->previewstream;
3830         }
3831         return vs;
3832 }
3833 #endif
3834
3835 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
3836 #ifdef VIDEO_ENABLED
3837         VideoStream *vs=get_active_video_stream(lc);
3838         /* If we have a video stream (either preview, either from call), we
3839                  have a source and it is using the static picture filter, then
3840                  force the filter to use that picture. */
3841         if (vs && vs->source) {
3842                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3843                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
3844                                                                                                                 (void *)path);
3845                 }
3846         }
3847         /* Tell the static image filter to use that image from now on so
3848                  that the image will be used next time it has to be read */
3849         ms_static_image_set_default_image(path);
3850 #else
3851         ms_warning("Video support not compiled.");
3852 #endif
3853         return 0;
3854 }
3855
3856 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
3857 #ifdef VIDEO_ENABLED
3858         VideoStream *vs = NULL;
3859
3860         vs=get_active_video_stream(lc);
3861
3862         /* If we have a video stream (either preview, either from call), we
3863                  have a source and it is using the static picture filter, then
3864                  force the filter to use that picture. */
3865         if (vs && vs->source) {
3866                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3867                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
3868                 }
3869         }
3870 #else
3871         ms_warning("Video support not compiled.");
3872 #endif
3873         return 0;
3874 }
3875
3876 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
3877 #ifdef VIDEO_ENABLED
3878         VideoStream *vs = NULL;
3879         vs=get_active_video_stream(lc);
3880         /* If we have a video stream (either preview, either from call), we
3881                  have a source and it is using the static picture filter, then
3882                  force the filter to use that picture. */
3883         if (vs && vs->source) {
3884                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
3885
3886                         float fps;
3887
3888                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
3889                         return fps;
3890                 }
3891         }
3892 #else
3893         ms_warning("Video support not compiled.");
3894 #endif
3895         return 0;
3896 }
3897
3898 /**
3899  * Returns the native window handle of the video window, casted as an unsigned long.
3900  *
3901  * @ingroup media_parameters
3902 **/
3903 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
3904 #ifdef VIDEO_ENABLED
3905         LinphoneCall *call=linphone_core_get_current_call (lc);
3906         if (call && call->videostream)
3907                 return video_stream_get_native_window_id(call->videostream);
3908         if (lc->previewstream)
3909                 return video_stream_get_native_window_id(lc->previewstream);
3910 #endif
3911         return lc->video_window_id;
3912 }
3913
3914 /**@ingroup media_parameters
3915  * Set the native video window id where the video is to be displayed.
3916  * If not set the core will create its own window.
3917 **/
3918 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
3919 #ifdef VIDEO_ENABLED
3920         LinphoneCall *call=linphone_core_get_current_call(lc);
3921         lc->video_window_id=id;
3922         if (call!=NULL && call->videostream){
3923                 video_stream_set_native_window_id(call->videostream,id);
3924         }
3925 #endif
3926 }
3927
3928 /**
3929  * Returns the native window handle of the video preview window, casted as an unsigned long.
3930  *
3931  * @ingroup media_parameters
3932 **/
3933 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
3934 #ifdef VIDEO_ENABLED
3935         LinphoneCall *call=linphone_core_get_current_call (lc);
3936         if (call && call->videostream)
3937                 return video_stream_get_native_preview_window_id(call->videostream);
3938         if (lc->previewstream)
3939                 return video_preview_get_native_window_id(lc->previewstream);
3940 #endif
3941         return lc->preview_window_id;
3942 }
3943
3944 /**
3945  * @ingroup media_parameters
3946  * Set the native window id where the preview video (local camera) is to be displayed.
3947  * This has to be used in conjonction with linphone_core_use_preview_window().
3948  * If not set the core will create its own window.
3949 **/
3950 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
3951         lc->preview_window_id=id;
3952 #ifdef VIDEO_ENABLED
3953         LinphoneCall *call=linphone_core_get_current_call(lc);
3954         if (call!=NULL && call->videostream){
3955                 video_stream_set_native_preview_window_id(call->videostream,id);
3956         }
3957 #endif
3958 }
3959
3960 /**
3961  * Can be used to disable video showing to free XV port
3962 **/
3963 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
3964 #ifdef VIDEO_ENABLED
3965         ms_error("linphone_core_show_video %d", show);
3966         LinphoneCall *call=linphone_core_get_current_call(lc);
3967         if (call!=NULL && call->videostream){
3968                 video_stream_show_video(call->videostream,show);
3969         }
3970 #endif
3971 }
3972
3973 /**
3974  * Tells the core to use a separate window for local camera preview video, instead of
3975  * inserting local view within the remote video window.
3976  *
3977 **/
3978 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
3979         lc->use_preview_window=yesno;
3980 }
3981 /**
3982  * @ingroup media_parameters
3983  *returns current device orientation
3984  */
3985 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
3986         return lc->device_rotation;
3987 }
3988 /**
3989  * @ingroup media_parameters
3990  * Tells the core the device current orientation. This can be used by capture filters
3991  * on mobile devices to select between portrait/landscape mode and to produce properly
3992  * oriented images. The exact meaning of the value in rotation if left to each device
3993  * specific implementations.
3994  *@param lc  object.
3995  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
3996  *
3997 **/
3998 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
3999 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4000         lc->device_rotation = rotation;
4001 #ifdef VIDEO_ENABLED
4002         LinphoneCall *call=linphone_core_get_current_call(lc);
4003         if (call!=NULL && call->videostream){
4004                 video_stream_set_device_rotation(call->videostream,rotation);
4005         }
4006 #endif
4007 }
4008
4009 static MSVideoSizeDef supported_resolutions[]={
4010 #ifdef ENABLE_HD
4011         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4012         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4013 #endif
4014         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4015         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4016         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4017         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4018         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4019         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4020         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4021         {       {0,0}                   ,       NULL    }
4022 };
4023
4024 /**
4025  * Returns the zero terminated table of supported video resolutions.
4026  *
4027  * @ingroup media_parameters
4028 **/
4029 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4030         return supported_resolutions;
4031 }
4032
4033 static MSVideoSize video_size_get_by_name(const char *name){
4034         MSVideoSizeDef *pdef=supported_resolutions;
4035         MSVideoSize null_vsize={0,0};
4036         for(;pdef->name!=NULL;pdef++){
4037                 if (strcasecmp(name,pdef->name)==0){
4038                         return pdef->vsize;
4039                 }
4040         }
4041         ms_warning("Video resolution %s is not supported in linphone.",name);
4042         return null_vsize;
4043 }
4044
4045 static const char *video_size_get_name(MSVideoSize vsize){
4046         MSVideoSizeDef *pdef=supported_resolutions;
4047         for(;pdef->name!=NULL;pdef++){
4048                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4049                         return pdef->name;
4050                 }
4051         }
4052         return NULL;
4053 }
4054
4055 static bool_t video_size_supported(MSVideoSize vsize){
4056         if (video_size_get_name(vsize)) return TRUE;
4057         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4058         return FALSE;
4059 }
4060
4061 /**
4062  * Sets the preferred video size.
4063  *
4064  * @ingroup media_parameters
4065  * This applies only to the stream that is captured and sent to the remote party,
4066  * since we accept all standard video size on the receive path.
4067 **/
4068 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4069         if (video_size_supported(vsize)){
4070                 MSVideoSize oldvsize=lc->video_conf.vsize;
4071                 lc->video_conf.vsize=vsize;
4072                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4073                         toggle_video_preview(lc,FALSE);
4074                         toggle_video_preview(lc,TRUE);
4075                 }
4076                 if ( linphone_core_ready(lc))
4077                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4078         }
4079 }
4080
4081 /**
4082  * Sets the preferred video size by its name.
4083  *
4084  * @ingroup media_parameters
4085  * This is identical to linphone_core_set_preferred_video_size() except
4086  * that it takes the name of the video resolution as input.
4087  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4088 **/
4089 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4090         MSVideoSize vsize=video_size_get_by_name(name);
4091         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4092         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4093         else linphone_core_set_preferred_video_size(lc,default_vsize);
4094 }
4095
4096 /**
4097  * Returns the current preferred video size for sending.
4098  *
4099  * @ingroup media_parameters
4100 **/
4101 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4102         return lc->video_conf.vsize;
4103 }
4104
4105 /**
4106  * Ask the core to stream audio from and to files, instead of using the soundcard.
4107 **/
4108 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4109         lc->use_files=yesno;
4110 }
4111
4112 /**
4113  * Sets a wav file to be played when putting somebody on hold,
4114  * or when files are used instead of soundcards (see linphone_core_use_files()).
4115  *
4116  * The file must be a 16 bit linear wav file.
4117 **/
4118 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4119         LinphoneCall *call=linphone_core_get_current_call(lc);
4120         if (lc->play_file!=NULL){
4121                 ms_free(lc->play_file);
4122                 lc->play_file=NULL;
4123         }
4124         if (file!=NULL) {
4125                 lc->play_file=ms_strdup(file);
4126                 if (call && call->audiostream && call->audiostream->ticker)
4127                         audio_stream_play(call->audiostream,file);
4128         }
4129 }
4130
4131
4132 /**
4133  * Sets a wav file where incoming stream is to be recorded,
4134  * when files are used instead of soundcards (see linphone_core_use_files()).
4135  *
4136  * The file must be a 16 bit linear wav file.
4137 **/
4138 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4139         LinphoneCall *call=linphone_core_get_current_call(lc);
4140         if (lc->rec_file!=NULL){
4141                 ms_free(lc->rec_file);
4142                 lc->rec_file=NULL;
4143         }
4144         if (file!=NULL) {
4145                 lc->rec_file=ms_strdup(file);
4146                 if (call && call->audiostream)
4147                         audio_stream_record(call->audiostream,file);
4148         }
4149 }
4150
4151
4152 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4153         LinphoneCall *call=linphone_core_get_current_call (lc);
4154         AudioStream *stream=NULL;
4155         if (call){
4156                 stream=call->audiostream;
4157         }else if (linphone_core_is_in_conference(lc)){
4158                 stream=lc->conf_ctx.local_participant;
4159         }
4160         if (stream){
4161                 return stream->dtmfgen;
4162         }
4163         if (lc->ringstream==NULL){
4164                 float amp=0.1;
4165                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4166                 if (ringcard == NULL)
4167                         return NULL;
4168
4169                 lc->ringstream=ring_start(NULL,0,ringcard);
4170                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4171                 lc->dmfs_playing_start_time=time(NULL);
4172         }else{
4173                 if (lc->dmfs_playing_start_time!=0)
4174                         lc->dmfs_playing_start_time=time(NULL);
4175         }
4176         return lc->ringstream->gendtmf;
4177 }
4178
4179 /**
4180  * @ingroup media_parameters
4181  * Plays a dtmf sound to the local user.
4182  * @param lc #LinphoneCore
4183  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4184  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4185 **/
4186 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4187         MSFilter *f=get_dtmf_gen(lc);
4188         if (f==NULL){
4189                 ms_error("No dtmf generator at this time !");
4190                 return;
4191         }
4192
4193         if (duration_ms>0)
4194                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4195         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4196 }
4197
4198 /**
4199  * @ingroup media_parameters
4200  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4201  * @param lc #LinphoneCore
4202 **/
4203 void linphone_core_play_tone(LinphoneCore *lc){
4204         MSFilter *f=get_dtmf_gen(lc);
4205         MSDtmfGenCustomTone def;
4206         if (f==NULL){
4207                 ms_error("No dtmf generator at this time !");
4208                 return;
4209         }
4210         def.duration=300;
4211         def.frequency=500;
4212         def.amplitude=1;
4213         def.interval=2000;
4214         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4215 }
4216
4217 /**
4218  * @ingroup media_parameters
4219  *
4220  * Stops playing a dtmf started by linphone_core_play_dtmf().
4221 **/
4222 void linphone_core_stop_dtmf(LinphoneCore *lc){
4223         MSFilter *f=get_dtmf_gen(lc);
4224         if (f!=NULL)
4225                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4226 }
4227
4228
4229
4230 /**
4231  * Retrieves the user pointer that was given to linphone_core_new()
4232  *
4233  * @ingroup initializing
4234 **/
4235 void *linphone_core_get_user_data(LinphoneCore *lc){
4236         return lc->data;
4237 }
4238
4239 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4240         lc->data=userdata;
4241 }
4242
4243 int linphone_core_get_mtu(const LinphoneCore *lc){
4244         return lc->net_conf.mtu;
4245 }
4246
4247 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4248         lc->net_conf.mtu=mtu;
4249         if (mtu>0){
4250                 if (mtu<500){
4251                         ms_error("MTU too small !");
4252                         mtu=500;
4253                 }
4254                 ms_set_mtu(mtu);
4255                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4256         }else ms_set_mtu(0);//use mediastreamer2 default value
4257 }
4258
4259 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4260         lc->wait_cb=cb;
4261         lc->wait_ctx=user_context;
4262 }
4263
4264 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4265         if (lc->wait_cb){
4266                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4267         }
4268 }
4269
4270 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4271         if (lc->wait_cb){
4272                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4273         }else{
4274 #ifdef WIN32
4275                 Sleep(50000);
4276 #else
4277                 usleep(50000);
4278 #endif
4279         }
4280 }
4281
4282 void linphone_core_stop_waiting(LinphoneCore *lc){
4283         if (lc->wait_cb){
4284                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4285         }
4286 }
4287
4288 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4289         lc->rtptf=factories;
4290 }
4291
4292 /**
4293  * Retrieve RTP statistics regarding current call.
4294  * @param local RTP statistics computed locally.
4295  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4296  *
4297  * @note Remote RTP statistics is not implemented yet.
4298  *
4299  * @returns 0 or -1 if no call is running.
4300 **/
4301
4302 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4303         LinphoneCall *call=linphone_core_get_current_call (lc);
4304         if (call!=NULL){
4305                 if (call->audiostream!=NULL){
4306                         memset(remote,0,sizeof(*remote));
4307                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4308                         return 0;
4309                 }
4310         }
4311         return -1;
4312 }
4313
4314 void net_config_uninit(LinphoneCore *lc)
4315 {
4316         net_config_t *config=&lc->net_conf;
4317
4318         if (config->stun_server!=NULL){
4319                 lp_config_set_string(lc->config,"net","stun_server",config->stun_server);
4320                 ms_free(lc->net_conf.stun_server);
4321         }
4322         if (config->nat_address!=NULL){
4323                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4324                 ms_free(lc->net_conf.nat_address);
4325         }
4326         if (lc->net_conf.nat_address_ip !=NULL){
4327                 ms_free(lc->net_conf.nat_address_ip);
4328         }
4329         lp_config_set_int(lc->config,"net","firewall_policy",config->firewall_policy);
4330         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4331 }
4332
4333
4334 void sip_config_uninit(LinphoneCore *lc)
4335 {
4336         MSList *elem;
4337         int i;
4338         sip_config_t *config=&lc->sip_conf;
4339
4340         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4341         lp_config_set_string(lc->config,"sip","contact",config->contact);
4342         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4343         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4344         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4345         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4346         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4347
4348
4349
4350
4351         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4352                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4353                 linphone_proxy_config_edit(cfg);        /* to unregister */
4354         }
4355
4356         for (i=0;i<20;i++){
4357                 sal_iterate(lc->sal);
4358 #ifndef WIN32
4359                 usleep(100000);
4360 #else
4361                 Sleep(100);
4362 #endif
4363         }
4364
4365         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4366         ms_list_free(config->proxies);
4367         config->proxies=NULL;
4368
4369         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4370
4371         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4372         ms_list_free(lc->auth_info);
4373         lc->auth_info=NULL;
4374
4375         sal_uninit(lc->sal);
4376         lc->sal=NULL;
4377
4378         if (lc->sip_conf.guessed_contact)
4379                 ms_free(lc->sip_conf.guessed_contact);
4380         if (config->contact)
4381                 ms_free(config->contact);
4382
4383 }
4384
4385 void rtp_config_uninit(LinphoneCore *lc)
4386 {
4387         rtp_config_t *config=&lc->rtp_conf;
4388         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4389         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4390         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4391         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4392         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4393 }
4394
4395 void sound_config_uninit(LinphoneCore *lc)
4396 {
4397         sound_config_t *config=&lc->sound_conf;
4398         ms_free(config->cards);
4399
4400         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4401
4402         if (config->local_ring) ms_free(config->local_ring);
4403         if (config->remote_ring) ms_free(config->remote_ring);
4404         ms_snd_card_manager_destroy();
4405 }
4406
4407 void video_config_uninit(LinphoneCore *lc)
4408 {
4409         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4410         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4411         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4412         lp_config_set_int(lc->config,"video","show_local",linphone_core_video_preview_enabled(lc));
4413         lp_config_set_int(lc->config,"video","self_view",linphone_core_self_view_enabled(lc));
4414         if (lc->video_conf.cams)
4415                 ms_free(lc->video_conf.cams);
4416 }
4417
4418 void _linphone_core_codec_config_write(LinphoneCore *lc){
4419         if (linphone_core_ready(lc)){
4420                 PayloadType *pt;
4421                 codecs_config_t *config=&lc->codecs_conf;
4422                 MSList *node;
4423                 char key[50];
4424                 int index;
4425                 index=0;
4426                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4427                         pt=(PayloadType*)(node->data);
4428                         sprintf(key,"audio_codec_%i",index);
4429                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4430                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4431                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4432                         index++;
4433                 }
4434                 sprintf(key,"audio_codec_%i",index);
4435                 lp_config_clean_section (lc->config,key);
4436
4437                 index=0;
4438                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4439                         pt=(PayloadType*)(node->data);
4440                         sprintf(key,"video_codec_%i",index);
4441                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4442                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4443                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4444                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4445                         index++;
4446                 }
4447                 sprintf(key,"video_codec_%i",index);
4448                 lp_config_clean_section (lc->config,key);
4449         }
4450 }
4451
4452 static void codecs_config_uninit(LinphoneCore *lc)
4453 {
4454         _linphone_core_codec_config_write(lc);
4455         ms_list_free(lc->codecs_conf.audio_codecs);
4456         ms_list_free(lc->codecs_conf.video_codecs);
4457 }
4458
4459 void ui_config_uninit(LinphoneCore* lc)
4460 {
4461         if (lc->friends){
4462                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4463                 ms_list_free(lc->friends);
4464                 lc->friends=NULL;
4465         }
4466 }
4467
4468 /**
4469  * Returns the LpConfig object used to manage the storage (config) file.
4470  *
4471  * @ingroup misc
4472  * The application can use the LpConfig object to insert its own private
4473  * sections and pairs of key=value in the configuration file.
4474  *
4475 **/
4476 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4477         return lc->config;
4478 }
4479
4480 static void linphone_core_uninit(LinphoneCore *lc)
4481 {
4482         linphone_core_free_hooks(lc);
4483         while(lc->calls)
4484         {
4485                 LinphoneCall *the_call = lc->calls->data;
4486                 linphone_core_terminate_call(lc,the_call);
4487                 linphone_core_iterate(lc);
4488 #ifdef WIN32
4489                 Sleep(50000);
4490 #else
4491                 usleep(50000);
4492 #endif
4493         }
4494         if (lc->friends)
4495                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4496         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4497 #ifdef VIDEO_ENABLED
4498         if (lc->previewstream!=NULL){
4499                 video_preview_stop(lc->previewstream);
4500                 lc->previewstream=NULL;
4501         }
4502 #endif
4503         ms_event_queue_destroy(lc->msevq);
4504         lc->msevq=NULL;
4505         /* save all config */
4506         net_config_uninit(lc);
4507         rtp_config_uninit(lc);
4508         if (lc->ringstream) ring_stop(lc->ringstream);
4509         sound_config_uninit(lc);
4510         video_config_uninit(lc);
4511         codecs_config_uninit(lc);
4512         ui_config_uninit(lc);
4513         sip_config_uninit(lc);
4514         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4515         lp_config_destroy(lc->config);
4516         lc->config = NULL; /* Mark the config as NULL to block further calls */
4517         sip_setup_unregister_all();
4518
4519         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4520         lc->call_logs=ms_list_free(lc->call_logs);
4521
4522         linphone_core_free_payload_types(lc);
4523         ortp_exit();
4524         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4525 #ifdef TUNNEL_ENABLED
4526         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4527 #endif
4528 }
4529
4530 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4531         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4532         // second get the list of available proxies
4533         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4534         for(;elem!=NULL;elem=elem->next){
4535                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4536                 if (linphone_proxy_config_register_enabled(cfg) ) {
4537                         if (!isReachable) {
4538                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4539                         }else{
4540                                 cfg->commit=TRUE;
4541                         }
4542                 }
4543         }
4544         lc->netup_time=curtime;
4545         lc->network_reachable=isReachable;
4546         if(!isReachable) {
4547                 sal_unlisten_ports (lc->sal);
4548         } else {
4549                 apply_transports(lc);
4550         }
4551
4552 }
4553
4554 void linphone_core_refresh_registers(LinphoneCore* lc) {
4555         const MSList *elem;
4556         if (!lc->network_reachable) {
4557                 ms_warning("Refresh register operation not available (network unreachable)");
4558                 return;
4559         }
4560         elem=linphone_core_get_proxy_config_list(lc);
4561         for(;elem!=NULL;elem=elem->next){
4562                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4563                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4564                         linphone_proxy_config_refresh_register(cfg);
4565                 }
4566         }
4567 }
4568
4569 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4570         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4571         for(;elem!=NULL;elem=elem->next){
4572                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4573                 if (linphone_proxy_config_register_enabled(cfg)) {
4574                         linphone_proxy_config_edit(cfg);
4575                         linphone_proxy_config_done(cfg);
4576                 }
4577         }
4578 }
4579
4580 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4581         //first disable automatic mode
4582         if (lc->auto_net_state_mon) {
4583                 ms_message("Disabling automatic network state monitoring");
4584                 lc->auto_net_state_mon=FALSE;
4585         }
4586         set_network_reachable(lc,isReachable, ms_time(NULL));
4587 }
4588
4589 bool_t linphone_core_is_network_reachabled(LinphoneCore* lc) {
4590         return lc->network_reachable;
4591 }
4592 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4593         return sal_get_socket(lc->sal);
4594 }
4595 /**
4596  * Destroys a LinphoneCore
4597  *
4598  * @ingroup initializing
4599 **/
4600 void linphone_core_destroy(LinphoneCore *lc){
4601         linphone_core_uninit(lc);
4602         ms_free(lc);
4603 }
4604 /**
4605  * Get the number of Call
4606  *
4607  * @ingroup call_control
4608 **/
4609 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4610         return  ms_list_size(lc->calls);;
4611 }
4612
4613 /**
4614  * Check if we do not have exceed the number of simultaneous call
4615  *
4616  * @ingroup call_control
4617 **/
4618 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4619 {
4620         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4621                 return TRUE;
4622         ms_message("Maximum amount of simultaneous calls reached !");
4623         return FALSE;
4624 }
4625
4626
4627 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4628 {
4629         if(linphone_core_can_we_add_call(lc))
4630         {
4631                 lc->calls = ms_list_append(lc->calls,call);
4632                 return 0;
4633         }
4634         return -1;
4635 }
4636
4637 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4638 {
4639         MSList *it;
4640         MSList *the_calls = lc->calls;
4641
4642         it=ms_list_find(the_calls,call);
4643         if (it)
4644         {
4645                 the_calls = ms_list_remove_link(the_calls,it);
4646         }
4647         else
4648         {
4649                 ms_warning("could not find the call into the list\n");
4650                 return -1;
4651         }
4652         lc->calls = the_calls;
4653         return 0;
4654 }
4655
4656 /**
4657  * Specifiies a ring back tone to be played to far end during incoming calls.
4658 **/
4659 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4660         if (lc->sound_conf.ringback_tone){
4661                 ms_free(lc->sound_conf.ringback_tone);
4662                 lc->sound_conf.ringback_tone=NULL;
4663         }
4664         if (file)
4665                 lc->sound_conf.ringback_tone=ms_strdup(file);
4666 }
4667
4668 /**
4669  * Returns the ring back tone played to far end during incoming calls.
4670 **/
4671 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4672         return lc->sound_conf.ringback_tone;
4673 }
4674
4675 static PayloadType* find_payload_type_from_list(const char* type, int rate,const MSList* from) {
4676         const MSList *elem;
4677         for(elem=from;elem!=NULL;elem=elem->next){
4678                 PayloadType *pt=(PayloadType*)elem->data;
4679                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0) && (rate == -1 || rate==pt->clock_rate)) {
4680                         return pt;
4681                 }
4682         }
4683         return NULL;
4684 }
4685
4686 /**
4687  * Get payload type  from mime type and clock rate
4688  * @ingroup media_parameters
4689  * This function searches in audio and video codecs for the given payload type name and clockrate.
4690  * Returns NULL if not found.
4691  */
4692 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate) {
4693         PayloadType* result = find_payload_type_from_list(type, rate, linphone_core_get_audio_codecs(lc));
4694         if (result)  {
4695                 return result;
4696         } else {
4697                 result = find_payload_type_from_list(type, rate, linphone_core_get_video_codecs(lc));
4698                 if (result) {
4699                         return result;
4700                 }
4701         }
4702         /*not found*/
4703         return NULL;
4704 }
4705
4706 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4707         switch(gs){
4708                 case LinphoneGlobalOff:
4709                         return "LinphoneGlobalOff";
4710                 break;
4711                 case LinphoneGlobalOn:
4712                         return "LinphoneGlobalOn";
4713                 break;
4714                 case LinphoneGlobalStartup:
4715                         return "LinphoneGlobalStartup";
4716                 break;
4717                 case LinphoneGlobalShutdown:
4718                         return "LinphoneGlobalShutdown";
4719                 break;
4720         }
4721         return NULL;
4722 }
4723
4724 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4725         return lc->state;
4726 }
4727
4728 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4729         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4730         linphone_core_init_default_params(lc, p);
4731         return p;
4732 }
4733
4734 const char *linphone_reason_to_string(LinphoneReason err){
4735         switch(err){
4736                 case LinphoneReasonNone:
4737                         return "No error";
4738                 case LinphoneReasonNoResponse:
4739                         return "No response";
4740                 case LinphoneReasonBadCredentials:
4741                         return "Bad credentials";
4742                 case LinphoneReasonDeclined:
4743                         return "Call declined";
4744                 case LinphoneReasonNotFound:
4745                         return "User not found";
4746                 case LinphoneReasonNotAnswered:
4747                         return "Not answered";
4748         }
4749         return "unknown error";
4750 }
4751
4752 const char *linphone_error_to_string(LinphoneReason err){
4753         return linphone_reason_to_string(err);
4754 }
4755 /**
4756  * Enables signaling keep alive
4757  */
4758 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4759         if (enable > 0) {
4760                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4761         } else {
4762                 sal_set_keepalive_period(lc->sal,0);
4763         }
4764 }
4765 /**
4766  * Is signaling keep alive enabled
4767  */
4768 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4769         return sal_get_keepalive_period(lc->sal) > 0;
4770 }
4771
4772 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4773         get_dtmf_gen(lc); /*make sure ring stream is started*/
4774         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4775 }
4776
4777 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4778         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
4779                 ring_stop(lc->ringstream);
4780                 lc->ringstream=NULL;
4781         }
4782 }
4783
4784 int linphone_core_get_max_calls(LinphoneCore *lc) {
4785         return lc->max_calls;
4786 }
4787 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4788         lc->max_calls=max;
4789 }
4790
4791 typedef struct Hook{
4792         LinphoneCoreIterateHook fun;
4793         void *data;
4794 }Hook;
4795
4796 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4797         Hook *h=ms_new(Hook,1);
4798         h->fun=hook;
4799         h->data=hook_data;
4800         return h;
4801 }
4802
4803 static void hook_invoke(Hook *h){
4804         h->fun(h->data);
4805 }
4806
4807 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4808         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4809 }
4810
4811 static void linphone_core_run_hooks(LinphoneCore *lc){
4812         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4813 }
4814
4815 static void linphone_core_free_hooks(LinphoneCore *lc){
4816         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4817         ms_list_free(lc->hooks);
4818         lc->hooks=NULL;
4819 }
4820
4821 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4822         MSList *elem;
4823         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4824                 Hook *h=(Hook*)elem->data;
4825                 if (h->fun==hook && h->data==hook_data){
4826                         ms_list_remove_link(lc->hooks,elem);
4827                         ms_free(h);
4828                         return;
4829                 }
4830         }
4831         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4832 }
4833
4834 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
4835         if (lc->zrtp_secrets_cache != NULL) {
4836                 ms_free(lc->zrtp_secrets_cache);
4837         }
4838         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
4839 }
4840
4841 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
4842         if (uri == NULL) return NULL;
4843         MSList *calls=lc->calls;
4844         while(calls) {
4845                 const LinphoneCall *c=(LinphoneCall*)calls->data;
4846                 calls=calls->next;
4847                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
4848                 char *current_uri=linphone_address_as_string_uri_only(address);
4849                 if (strcmp(uri,current_uri)==0) {
4850                         ms_free(current_uri);
4851                         return c;
4852                 } else {
4853                         ms_free(current_uri);
4854                 }
4855         }
4856         return NULL;
4857 }
4858
4859
4860 /**
4861  * Check if a call will need the sound resources.
4862  *
4863  * @ingroup call_control
4864  * @param lc The LinphoneCore
4865 **/
4866 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
4867         MSList *calls=lc->calls;
4868         while(calls) {
4869                 LinphoneCall *c=(LinphoneCall*)calls->data;
4870                 calls=calls->next;
4871                 switch (c->state) {
4872                         case LinphoneCallOutgoingInit:
4873                         case LinphoneCallOutgoingProgress:
4874                         case LinphoneCallOutgoingRinging:
4875                         case LinphoneCallOutgoingEarlyMedia:
4876                         case LinphoneCallConnected:
4877                         case LinphoneCallRefered:
4878                         case LinphoneCallIncomingEarlyMedia:
4879                         case LinphoneCallUpdated:
4880                                 return TRUE;
4881                         default:
4882                                 break;
4883                 }
4884         }
4885         return FALSE;
4886 }
4887
4888 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
4889         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
4890 }
4891
4892 /**
4893  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
4894 **/
4895 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
4896         switch(menc){
4897                 case LinphoneMediaEncryptionSRTP:
4898                         return ortp_srtp_supported();
4899                 case LinphoneMediaEncryptionZRTP:
4900                         return ortp_zrtp_available();
4901                 case LinphoneMediaEncryptionNone:
4902                         return TRUE;
4903         }
4904         return FALSE;
4905 }
4906
4907 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
4908         const char *type="none";
4909         int ret=0;
4910         if (menc == LinphoneMediaEncryptionSRTP){
4911                 if (!ortp_srtp_supported()){
4912                         ms_warning("SRTP not supported by library.");
4913                         type="none";
4914                         ret=-1;
4915                 }else type="srtp";
4916         }else if (menc == LinphoneMediaEncryptionZRTP){
4917                 if (!ortp_zrtp_available()){
4918                         ms_warning("ZRTP not supported by library.");
4919                         type="none";
4920                         ret=-1;
4921                 }else type="zrtp";
4922         }
4923         lp_config_set_string(lc->config,"sip","media_encryption",type);
4924         return ret;
4925 }
4926
4927 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
4928         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
4929
4930         if (menc == NULL)
4931                 return LinphoneMediaEncryptionNone;
4932         else if (strcmp(menc, "srtp")==0)
4933                 return LinphoneMediaEncryptionSRTP;
4934         else if (strcmp(menc, "zrtp")==0)
4935                 return LinphoneMediaEncryptionZRTP;
4936         else
4937                 return LinphoneMediaEncryptionNone;
4938 }
4939
4940 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
4941         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
4942 }
4943
4944 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
4945         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
4946 }
4947
4948 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
4949         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
4950         params->media_encryption=linphone_core_get_media_encryption(lc);
4951         params->in_conference=FALSE;
4952 }
4953
4954 void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
4955         VideoStream* vstream = call->videostream;
4956         if (vstream) {
4957                 float zoom[3];
4958
4959                 if (zoom_factor < 1)
4960                         zoom_factor = 1;
4961                 float halfsize = 0.5 * 1.0 / zoom_factor;
4962
4963                 if ((*cx - halfsize) < 0)
4964                         *cx = 0 + halfsize;
4965                 if ((*cx + halfsize) > 1)
4966                         *cx = 1 - halfsize;
4967                 if ((*cy - halfsize) < 0)
4968                         *cy = 0 + halfsize;
4969                 if ((*cy + halfsize) > 1)
4970                         *cy = 1 - halfsize;
4971
4972                 zoom[0] = zoom_factor;
4973                 zoom[1] = *cx;
4974                 zoom[2] = *cy;
4975                 ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
4976         }else ms_warning("Could not apply zoom: video output wasn't activated.");
4977 }
4978