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                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 143         }
 144         for(;i<lc->max_call_logs;++i){
 145                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 146                 lp_config_clean_section(cfg,logsection);
 147         }
 148 }
 149
 150 static time_t string_to_time(const char *date){
 151 #ifndef WIN32
 152         struct tm tmtime={0};
 153         strptime(date,"%c",&tmtime);
 154         return mktime(&tmtime);
 155 #else
 156         return 0;
 157 #endif
 158 }
 159
 160 static void call_logs_read_from_config_file(LinphoneCore *lc){
 161         char logsection[32];
 162         int i;
 163         const char *tmp;
 164         uint64_t sec;
 165         LpConfig *cfg=lc->config;
 166         for(i=0;;++i){
 167                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 168                 if (lp_config_has_section(cfg,logsection)){
 169                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 170                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 171                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 172                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 173                         if (tmp) cl->from=linphone_address_new(tmp);
 174                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 175                         if (tmp) cl->to=linphone_address_new(tmp);
 176                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 177                         if (sec) {
 178                                 /*new call log format with date expressed in seconds */
 179                                 cl->start_date_time=(time_t)sec;
 180                                 set_call_log_date(cl,cl->start_date_time);
 181                         }else{
 182                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 183                                 if (tmp) {
 184                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 185                                         cl->start_date_time=string_to_time(cl->start_date);
 186                                 }
 187                         }
 188                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 189                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 190                         if (tmp) cl->refkey=ms_strdup(tmp);
 191                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 192                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 193                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 194                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 195                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 196                 }else break;
 197         }
 198 }
 199
 200
 201
 202 /**
 203  * @addtogroup call_logs
 204  * @{
 205 **/
 206
 207 /**
 208  * Returns a human readable string describing the call.
 209  *
 210  * @note: the returned char* must be freed by the application (use ms_free()).
 211 **/
 212 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 213         char *status;
 214         char *tmp;
 215         char *from=linphone_address_as_string (cl->from);
 216         char *to=linphone_address_as_string (cl->to);
 217         switch(cl->status){
 218                 case LinphoneCallAborted:
 219                         status=_("aborted");
 220                         break;
 221                 case LinphoneCallSuccess:
 222                         status=_("completed");
 223                         break;
 224                 case LinphoneCallMissed:
 225                         status=_("missed");
 226                         break;
 227                 default:
 228                         status="unknown";
 229         }
 230         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 231                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 232                         cl->start_date,
 233                         from,
 234                         to,
 235                         status,
 236                         cl->duration/60,
 237                         cl->duration%60);
 238         ms_free(from);
 239         ms_free(to);
 240         return tmp;
 241 }
 242
 243 /**
 244  * Returns RTP statistics computed locally regarding the call.
 245  *
 246 **/
 247 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 248         return &cl->local_stats;
 249 }
 250
 251 /**
 252  * Returns RTP statistics computed by remote end and sent back via RTCP.
 253  *
 254  * @note Not implemented yet.
 255 **/
 256 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 257         return &cl->remote_stats;
 258 }
 259
 260 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 261         cl->user_pointer=up;
 262 }
 263
 264 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 265         return cl->user_pointer;
 266 }
 267
 268
 269
 270 /**
 271  * Associate a persistent reference key to the call log.
 272  *
 273  * The reference key can be for example an id to an external database.
 274  * It is stored in the config file, thus can survive to process exits/restarts.
 275  *
 276 **/
 277 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 278         if (cl->refkey!=NULL){
 279                 ms_free(cl->refkey);
 280                 cl->refkey=NULL;
 281         }
 282         if (refkey) cl->refkey=ms_strdup(refkey);
 283 }
 284
 285 /**
 286  * Get the persistent reference key associated to the call log.
 287  *
 288  * The reference key can be for example an id to an external database.
 289  * It is stored in the config file, thus can survive to process exits/restarts.
 290  *
 291 **/
 292 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 293         return cl->refkey;
 294 }
 295
 296 /** @} */
 297
 298 void linphone_call_log_destroy(LinphoneCallLog *cl){
 299         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 300         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 301         if (cl->refkey!=NULL) ms_free(cl->refkey);
 302         if (cl->call_id) ms_free((void*)cl->call_id);
 303         ms_free(cl);
 304 }
 305
 306 /**
 307  * Returns TRUE if the LinphoneCall asked to autoanswer
 308  *
 309 **/
 310 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 311         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 312         if(call)
 313                 return sal_call_autoanswer_asked(call->op);
 314         else
 315                 return FALSE;
 316 }
 317
 318 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 319         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 320         if (call)  return linphone_call_get_duration(call);
 321         return -1;
 322 }
 323
 324 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 325         LinphoneCall *call=linphone_core_get_current_call(lc);
 326         if (call==NULL) return NULL;
 327         return linphone_call_get_remote_address(call);
 328 }
 329
 330 /**
 331  * Enable logs in supplied FILE*.
 332  *
 333  * @ingroup misc
 334  *
 335  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 336  *
 337 **/
 338 void linphone_core_enable_logs(FILE *file){
 339         if (file==NULL) file=stdout;
 340         ortp_set_log_file(file);
 341         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 342 }
 343
 344 /**
 345  * Enable logs through the user's supplied log callback.
 346  *
 347  * @ingroup misc
 348  *
 349  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 350  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 351  *
 352 **/
 353 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 354         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 355         ortp_set_log_handler(logfunc);
 356 }
 357
 358 /**
 359  * Entirely disable logging.
 360  *
 361  * @ingroup misc
 362 **/
 363 void linphone_core_disable_logs(){
 364         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 365 }
 366
 367
 368 static void net_config_read (LinphoneCore *lc)
 369 {
 370         int tmp;
 371         const char *tmpstr;
 372         LpConfig *config=lc->config;
 373
 374         lc->net_conf.nat_address_ip = NULL;
 375         tmp=lp_config_get_int(config,"net","download_bw",0);
 376         linphone_core_set_download_bandwidth(lc,tmp);
 377         tmp=lp_config_get_int(config,"net","upload_bw",0);
 378         linphone_core_set_upload_bandwidth(lc,tmp);
 379         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 380         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 381         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 382         linphone_core_set_nat_address(lc,tmpstr);
 383         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 384         linphone_core_set_firewall_policy(lc,tmp);
 385         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 386         lc->net_conf.nat_sdp_only=tmp;
 387         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 388         linphone_core_set_mtu(lc,tmp);
 389         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 390         linphone_core_set_download_ptime(lc,tmp);
 391
 392 }
 393
 394 static void build_sound_devices_table(LinphoneCore *lc){
 395         const char **devices;
 396         const char **old;
 397         int ndev;
 398         int i;
 399         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 400         ndev=ms_list_size(elem);
 401         devices=ms_malloc((ndev+1)*sizeof(const char *));
 402         for (i=0;elem!=NULL;elem=elem->next,i++){
 403                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 404         }
 405         devices[ndev]=NULL;
 406         old=lc->sound_conf.cards;
 407         lc->sound_conf.cards=devices;
 408         if (old!=NULL) ms_free(old);
 409 }
 410
 411 static void sound_config_read(LinphoneCore *lc)
 412 {
 413         int tmp;
 414         const char *tmpbuf;
 415         const char *devid;
 416         float gain=0;
 417 #ifdef __linux
 418         /*alsadev let the user use custom alsa device within linphone*/
 419         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 420         if (devid){
 421                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 422                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 423         }
 424         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 425         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 426 #endif
 427         /* retrieve all sound devices */
 428         build_sound_devices_table(lc);
 429
 430         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 431         linphone_core_set_playback_device(lc,devid);
 432
 433         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 434         linphone_core_set_ringer_device(lc,devid);
 435
 436         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 437         linphone_core_set_capture_device(lc,devid);
 438
 439 /*
 440         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 441         linphone_core_set_play_level(lc,tmp);
 442         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 443         linphone_core_set_ring_level(lc,tmp);
 444         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 445         linphone_core_set_rec_level(lc,tmp);
 446         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 447         linphone_core_set_sound_source(lc,tmpbuf[0]);
 448 */
 449
 450         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 451         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 452         if (ortp_file_exist(tmpbuf)==-1) {
 453                 ms_warning("%s does not exist",tmpbuf);
 454                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 455         }
 456         if (strstr(tmpbuf,".wav")==NULL){
 457                 /* it currently uses old sound files, so replace them */
 458                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 459         }
 460         linphone_core_set_ring(lc,tmpbuf);
 461
 462         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 463         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 464         if (ortp_file_exist(tmpbuf)==-1){
 465                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 466         }
 467         if (strstr(tmpbuf,".wav")==NULL){
 468                 /* it currently uses old sound files, so replace them */
 469                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 470         }
 471         linphone_core_set_ringback(lc,tmpbuf);
 472
 473         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 474         check_sound_device(lc);
 475         lc->sound_conf.latency=0;
 476 #ifndef __ios
 477     tmp=TRUE;
 478 #else
 479     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 480 #endif
 481     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 482         linphone_core_enable_echo_cancellation(lc,tmp);
 483         linphone_core_enable_echo_limiter(lc,
 484                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 485         linphone_core_enable_agc(lc,
 486                 lp_config_get_int(lc->config,"sound","agc",0));
 487
 488         gain=lp_config_get_float(lc->config,"sound","playback_gain_db",0);
 489         linphone_core_set_playback_gain_db (lc,gain);
 490
 491         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 492
 493         /*just parse requested stream feature once at start to print out eventual errors*/
 494         linphone_core_get_audio_features(lc);
 495 }
 496
 497 static void sip_config_read(LinphoneCore *lc)
 498 {
 499         char *contact;
 500         const char *tmpstr;
 501         LCSipTransports tr;
 502         int i,tmp;
 503         int ipv6;
 504         int random_port;
 505
 506         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 507         linphone_core_set_use_info_for_dtmf(lc,tmp);
 508
 509         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 510                 sal_use_session_timers(lc->sal,200);
 511         }
 512
 513         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 514         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 515         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 516         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 517
 518         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",0);
 519         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 520
 521         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 522         if (ipv6==-1){
 523                 ipv6=0;
 524         }
 525         linphone_core_enable_ipv6(lc,ipv6);
 526         memset(&tr,0,sizeof(tr));
 527
 528         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 529         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 530         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 531
 532         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 533                 random_port=(0xDFFF&random())+1024;
 534         else random_port=0;
 535
 536         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 537                 tr.udp_port=5060;
 538         }
 539
 540         if (tr.udp_port>0 && random_port){
 541                 tr.udp_port=random_port;
 542                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 543         }else if (tr.tcp_port>0 && random_port){
 544                 tr.tcp_port=random_port;
 545                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 546         }else if (tr.tls_port>0 && random_port){
 547                 tr.tls_port=random_port;
 548                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 549         }
 550
 551 #ifdef __linux
 552         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 553 #else
 554         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 555 #endif
 556         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 557         /*start listening on ports*/
 558         linphone_core_set_sip_transports(lc,&tr);
 559
 560         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 561         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 562                 const char *hostname=NULL;
 563                 const char *username=NULL;
 564 #ifdef HAVE_GETENV
 565                 hostname=getenv("HOST");
 566                 username=getenv("USER");
 567                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 568 #endif /*HAVE_GETENV*/
 569                 if (hostname==NULL)
 570                         hostname="unknown-host";
 571                 if (username==NULL){
 572                         username="toto";
 573                 }
 574                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 575                 linphone_core_set_primary_contact(lc,contact);
 576                 ms_free(contact);
 577         }
 578
 579         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 580         linphone_core_set_guess_hostname(lc,tmp);
 581
 582
 583         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 584         linphone_core_set_inc_timeout(lc,tmp);
 585
 586         /* get proxies config */
 587         for(i=0;; i++){
 588                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 589                 if (cfg!=NULL){
 590                         linphone_core_add_proxy_config(lc,cfg);
 591                 }else{
 592                         break;
 593                 }
 594         }
 595         /* get the default proxy */
 596         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 597         linphone_core_set_default_proxy_index(lc,tmp);
 598
 599         /* read authentication information */
 600         for(i=0;; i++){
 601                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 602                 if (ai!=NULL){
 603                         linphone_core_add_auth_info(lc,ai);
 604                         linphone_auth_info_destroy(ai);
 605                 }else{
 606                         break;
 607                 }
 608         }
 609         /*this is to filter out unsupported encryption schemes*/
 610         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 611
 612         /*for tuning or test*/
 613         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 614         lc->sip_conf.register_only_when_network_is_up=
 615                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 616         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 617         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 618         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 619         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 620         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 621         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 622         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 623 }
 624
 625 static void rtp_config_read(LinphoneCore *lc)
 626 {
 627         int port;
 628         int jitt_comp;
 629         int nortp_timeout;
 630         bool_t rtp_no_xmit_on_audio_mute;
 631         bool_t adaptive_jitt_comp_enabled;
 632
 633         port=lp_config_get_int(lc->config,"rtp","audio_rtp_port",7078);
 634         linphone_core_set_audio_port(lc,port);
 635
 636         port=lp_config_get_int(lc->config,"rtp","video_rtp_port",9078);
 637         if (port==0) port=9078;
 638         linphone_core_set_video_port(lc,port);
 639
 640         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 641         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 642         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 643         if (jitt_comp==0) jitt_comp=60;
 644         linphone_core_set_video_jittcomp(lc,jitt_comp);
 645         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 646         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 647         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 648         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 649         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 650         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 651         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 652         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 653 }
 654
 655 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 656         PayloadType *candidate=NULL;
 657         int i;
 658         PayloadType *it;
 659         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 660                 it=rtp_profile_get_payload(prof,i);
 661                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 662                         && (clock_rate==it->clock_rate || clock_rate<=0)
 663                         && (channels==it->channels || channels<=0) ){
 664                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 665                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 666                                 /*exact match*/
 667                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 668                                 return it;
 669                         }else {
 670                                 if (candidate){
 671                                         if (it->recv_fmtp==NULL) candidate=it;
 672                                 }else candidate=it;
 673                         }
 674                 }
 675         }
 676         if (candidate && recv_fmtp){
 677                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 678         }
 679         return candidate;
 680 }
 681
 682 static bool_t get_codec(LpConfig *config, const char* type, int index, PayloadType **ret){
 683         char codeckey[50];
 684         const char *mime,*fmtp;
 685         int rate,channels,enabled;
 686         PayloadType *pt;
 687
 688         *ret=NULL;
 689         snprintf(codeckey,50,"%s_%i",type,index);
 690         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 691         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 692
 693         rate=lp_config_get_int(config,codeckey,"rate",8000);
 694         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 695         channels=lp_config_get_int(config,codeckey,"channels",0);
 696         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 697         pt=find_payload(&av_profile,mime,rate,channels,fmtp);
 698         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 699         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 700         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 701                         mime,rate,fmtp ? fmtp : "");
 702         *ret=pt;
 703         return TRUE;
 704 }
 705
 706 #define RANK_END 10000
 707 static const char *codec_pref_order[]={
 708         "SILK",
 709         "speex",
 710         "iLBC",
 711         "amr",
 712         "gsm",
 713         "pcmu",
 714         "pcma",
 715         "VP8",
 716         "H264",
 717         "MP4V-ES",
 718         "H263-1998",
 719         NULL,
 720 };
 721
 722 static int find_codec_rank(const char *mime){
 723         int i;
 724         for(i=0;codec_pref_order[i]!=NULL;++i){
 725                 if (strcasecmp(codec_pref_order[i],mime)==0)
 726                         return i;
 727         }
 728         return RANK_END;
 729 }
 730
 731 static int codec_compare(const PayloadType *a, const PayloadType *b){
 732         int ra,rb;
 733         ra=find_codec_rank(a->mime_type);
 734         rb=find_codec_rank(b->mime_type);
 735         if (ra>rb) return 1;
 736         if (ra<rb) return -1;
 737         return 0;
 738 }
 739
 740 static MSList *add_missing_codecs(SalStreamType mtype, MSList *l){
 741         int i;
 742         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 743                 PayloadType *pt=rtp_profile_get_payload(&av_profile,i);
 744                 if (pt){
 745                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 746                                 pt=NULL;
 747                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 748                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 749                                 pt=NULL;
 750                         }
 751                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 752                                 if (ms_list_find(l,pt)==NULL){
 753                                         /*unranked codecs are disabled by default*/
 754                                         if (find_codec_rank(pt->mime_type)!=RANK_END){
 755                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 756                                         }
 757                                         ms_message("Adding new codec %s/%i with fmtp %s",
 758                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 759                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 760                                 }
 761                         }
 762                 }
 763         }
 764         return l;
 765 }
 766
 767 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 768         MSList *elem;
 769         for (elem=l;elem!=NULL;elem=elem->next){
 770                 PayloadType *ept=(PayloadType*)elem->data;
 771                 if (pt==ept)
 772                         return l;
 773         }
 774         l=ms_list_append(l,pt);
 775         return l;
 776 }
 777
 778 static void codecs_config_read(LinphoneCore *lc)
 779 {
 780         int i;
 781         PayloadType *pt;
 782         MSList *audio_codecs=NULL;
 783         MSList *video_codecs=NULL;
 784         for (i=0;get_codec(lc->config,"audio_codec",i,&pt);i++){
 785                 if (pt){
 786                         if (!ms_filter_codec_supported(pt->mime_type)){
 787                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 788                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 789                 }
 790         }
 791         audio_codecs=add_missing_codecs(SalAudio,audio_codecs);
 792         for (i=0;get_codec(lc->config,"video_codec",i,&pt);i++){
 793                 if (pt){
 794                         if (!ms_filter_codec_supported(pt->mime_type)){
 795                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 796                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 797                 }
 798         }
 799         video_codecs=add_missing_codecs(SalVideo,video_codecs);
 800         linphone_core_set_audio_codecs(lc,audio_codecs);
 801         linphone_core_set_video_codecs(lc,video_codecs);
 802         linphone_core_update_allocated_audio_bandwidth(lc);
 803 }
 804
 805 static void build_video_devices_table(LinphoneCore *lc){
 806         const MSList *elem;
 807         int i;
 808         int ndev;
 809         const char **devices;
 810         if (lc->video_conf.cams)
 811                 ms_free(lc->video_conf.cams);
 812         /* retrieve all video devices */
 813         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 814         ndev=ms_list_size(elem);
 815         devices=ms_malloc((ndev+1)*sizeof(const char *));
 816         for (i=0;elem!=NULL;elem=elem->next,i++){
 817                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 818         }
 819         devices[ndev]=NULL;
 820         lc->video_conf.cams=devices;
 821 }
 822
 823 static void video_config_read(LinphoneCore *lc){
 824 #ifdef VIDEO_ENABLED
 825         int capture, display, self_view;
 826 #endif
 827         const char *str;
 828 #ifdef VIDEO_ENABLED
 829         LinphoneVideoPolicy vpol;
 830 #endif
 831         build_video_devices_table(lc);
 832
 833         str=lp_config_get_string(lc->config,"video","device",NULL);
 834         if (str && str[0]==0) str=NULL;
 835         linphone_core_set_video_device(lc,str);
 836
 837         linphone_core_set_preferred_video_size_by_name(lc,
 838                 lp_config_get_string(lc->config,"video","size","cif"));
 839
 840 #ifdef VIDEO_ENABLED
 841         capture=lp_config_get_int(lc->config,"video","capture",1);
 842         display=lp_config_get_int(lc->config,"video","display",1);
 843         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 844         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 845         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 846         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 847         if(lc->video_conf.displaytype)
 848                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 849
 850         linphone_core_enable_video(lc,capture,display);
 851         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 852         linphone_core_enable_self_view(lc,self_view);
 853         linphone_core_set_video_policy(lc,&vpol);
 854 #endif
 855 }
 856
 857 static void ui_config_read(LinphoneCore *lc)
 858 {
 859         LinphoneFriend *lf;
 860         int i;
 861         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 862                 linphone_core_add_friend(lc,lf);
 863         }
 864         call_logs_read_from_config_file(lc);
 865 }
 866
 867 /*
 868 static void autoreplier_config_init(LinphoneCore *lc)
 869 {
 870         autoreplier_config_t *config=&lc->autoreplier_conf;
 871         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 872         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 873         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 874         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 875         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 876         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 877 }
 878 */
 879
 880 bool_t linphone_core_tunnel_available(void){
 881 #ifdef TUNNEL_ENABLED
 882         return TRUE;
 883 #else
 884         return FALSE;
 885 #endif
 886 }
 887
 888 /**
 889  * Enable adaptive rate control (experimental feature, audio-only).
 890  *
 891  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 892  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 893  * available bandwidth.
 894 **/
 895 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 896         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 897 }
 898
 899 /**
 900  * Returns whether adaptive rate control is enabled.
 901  *
 902  * See linphone_core_enable_adaptive_rate_control().
 903 **/
 904 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 905         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 906 }
 907
 908 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 909         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 910 }
 911
 912 /**
 913  * Sets maximum available download bandwidth
 914  *
 915  * @ingroup media_parameters
 916  *
 917  * This is IP bandwidth, in kbit/s.
 918  * This information is used signaled to other parties during
 919  * calls (within SDP messages) so that the remote end can have
 920  * sufficient knowledge to properly configure its audio & video
 921  * codec output bitrate to not overflow available bandwidth.
 922  *
 923  * @param lc the LinphoneCore object
 924  * @param bw the bandwidth in kbits/s, 0 for infinite
 925  */
 926 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 927         lc->net_conf.download_bw=bw;
 928         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 929 }
 930
 931 /**
 932  * Sets maximum available upload bandwidth
 933  *
 934  * @ingroup media_parameters
 935  *
 936  * This is IP bandwidth, in kbit/s.
 937  * This information is used by liblinphone together with remote
 938  * side available bandwidth signaled in SDP messages to properly
 939  * configure audio & video codec's output bitrate.
 940  *
 941  * @param lc the LinphoneCore object
 942  * @param bw the bandwidth in kbits/s, 0 for infinite
 943  */
 944 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 945         lc->net_conf.upload_bw=bw;
 946         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 947 }
 948
 949 /**
 950  * Retrieve the maximum available download bandwidth.
 951  *
 952  * @ingroup media_parameters
 953  *
 954  * This value was set by linphone_core_set_download_bandwidth().
 955  *
 956 **/
 957 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 958         return lc->net_conf.download_bw;
 959 }
 960
 961 /**
 962  * Retrieve the maximum available upload bandwidth.
 963  *
 964  * @ingroup media_parameters
 965  *
 966  * This value was set by linphone_core_set_upload_bandwidth().
 967  *
 968 **/
 969 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
 970         return lc->net_conf.upload_bw;
 971 }
 972 /**
 973  * Set audio packetization time linphone expects to receive from peer
 974  */
 975 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
 976         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
 977 }
 978
 979 /**
 980  * Get audio packetization time linphone expects to receive from peer
 981  */
 982 int linphone_core_get_download_ptime(LinphoneCore *lc) {
 983         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
 984 }
 985
 986 /**
 987  * Set audio packetization time linphone will send (in absence of requirement from peer)
 988  * A value of 0 stands for the current codec default packetization time.
 989  *
 990 **/
 991 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
 992         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
 993 }
 994
 995 /**
 996  * Set audio packetization time linphone will send (in absence of requirement from peer)
 997  * A value of 0 stands for the current codec default packetization time.
 998  *
 999 **/
1000 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1001         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1002 }
1003
1004
1005
1006 /**
1007  * Returns liblinphone's version as a string.
1008  *
1009  * @ingroup misc
1010  *
1011 **/
1012 const char * linphone_core_get_version(void){
1013         return liblinphone_version;
1014 }
1015
1016 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1017         PayloadType *pt;
1018         pt=payload_type_clone(const_pt);
1019         if (number==-1){
1020                 /*look for a free number */
1021                 MSList *elem;
1022                 int i;
1023                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1024                         bool_t already_assigned=FALSE;
1025                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1026                                 PayloadType *it=(PayloadType*)elem->data;
1027                                 if (payload_type_get_number(it)==i){
1028                                         already_assigned=TRUE;
1029                                         break;
1030                                 }
1031                         }
1032                         if (!already_assigned){
1033                                 number=i;
1034                                 lc->dyn_pt=i+1;
1035                                 break;
1036                         }
1037                 }
1038                 if (number==-1){
1039                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1040                 }
1041         }
1042         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1043         payload_type_set_number(pt,number);
1044         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1045         rtp_profile_set_payload(&av_profile,number,pt);
1046         lc->payload_types=ms_list_append(lc->payload_types,pt);
1047 }
1048
1049 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1050         RtpProfile *prof=&av_profile;
1051         int i;
1052         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1053                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1054                 if (pt){
1055                         if (payload_type_get_number(pt)!=i){
1056                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1057                         }
1058                 }
1059         }
1060 }
1061
1062 static void linphone_core_free_payload_types(LinphoneCore *lc){
1063         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1064         ms_list_free(lc->payload_types);
1065         lc->payload_types=NULL;
1066 }
1067
1068 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1069         lc->state=gstate;
1070         if (lc->vtable.global_state_changed){
1071                 lc->vtable.global_state_changed(lc,gstate,message);
1072         }
1073 }
1074 static void misc_config_read (LinphoneCore *lc) {
1075         LpConfig *config=lc->config;
1076     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1077     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1078 }
1079
1080
1081
1082
1083 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1084     const char *factory_config_path, void * userdata)
1085 {
1086         memset (lc, 0, sizeof (LinphoneCore));
1087         lc->data=userdata;
1088         lc->ringstream_autorelease=TRUE;
1089
1090         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1091
1092         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1093         ortp_init();
1094         lc->dyn_pt=96;
1095         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1096         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1097         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1098         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1099         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1100         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1101         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1102         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1103
1104 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1105         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1106          - to workaround potential packet losses
1107          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1108          */
1109         _linphone_core_configure_resolver();
1110 #endif
1111
1112 #ifdef ENABLE_NONSTANDARD_GSM
1113         {
1114                 PayloadType *pt;
1115                 pt=payload_type_clone(&payload_type_gsm);
1116                 pt->clock_rate=11025;
1117                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1118                 pt->clock_rate=22050;
1119                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1120                 payload_type_destroy(pt);
1121         }
1122 #endif
1123
1124 #ifdef VIDEO_ENABLED
1125         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1126         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1127         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1128         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1129         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1130         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1131         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1132         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1133         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1134 #endif
1135
1136         /*add all payload type for which we don't care about the number */
1137         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1138         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1139         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1140         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1141         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1142         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1143         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1144         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1145         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1146         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1147         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1148         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1149         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1150         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1151         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1152         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1153         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1154         linphone_core_handle_static_payloads(lc);
1155
1156         ms_init();
1157         /* create a mediastreamer2 event queue and set it as global */
1158         /* This allows to run event's callback in linphone_core_iterate() */
1159         lc->msevq=ms_event_queue_new();
1160         ms_set_global_event_queue(lc->msevq);
1161
1162         lc->config=lp_config_new(config_path);
1163         if (factory_config_path)
1164                 lp_config_read_file(lc->config,factory_config_path);
1165
1166         lc->sal=sal_init();
1167         sal_set_user_pointer(lc->sal,lc);
1168         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1169
1170         sip_setup_register_all();
1171         sound_config_read(lc);
1172         net_config_read(lc);
1173         rtp_config_read(lc);
1174         codecs_config_read(lc);
1175         sip_config_read(lc); /* this will start eXosip*/
1176         video_config_read(lc);
1177         //autoreplier_config_init(&lc->autoreplier_conf);
1178         lc->presence_mode=LinphoneStatusOnline;
1179         misc_config_read(lc);
1180         ui_config_read(lc);
1181 #ifdef TUNNEL_ENABLED
1182         lc->tunnel=linphone_core_tunnel_new(lc);
1183         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1184 #endif
1185         if (lc->vtable.display_status)
1186                 lc->vtable.display_status(lc,_("Ready"));
1187         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1188         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1189 }
1190
1191 /**
1192  * Instanciates a LinphoneCore object.
1193  * @ingroup initializing
1194  *
1195  * The LinphoneCore object is the primary handle for doing all phone actions.
1196  * It should be unique within your application.
1197  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1198  * @param config_path a path to a config file. If it does not exists it will be created.
1199  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1200  *             become persistent over the life of the LinphoneCore object.
1201  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1202  * @param factory_config_path a path to a read-only config file that can be used to
1203  *        to store hard-coded preference such as proxy settings or internal preferences.
1204  *        The settings in this factory file always override the one in the normal config file.
1205  *        It is OPTIONAL, use NULL if unneeded.
1206  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1207  *        callbacks) using linphone_core_get_user_data().
1208  *
1209 **/
1210 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1211                                                 const char *config_path, const char *factory_config_path, void * userdata)
1212 {
1213         LinphoneCore *core=ms_new(LinphoneCore,1);
1214         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1215         return core;
1216 }
1217
1218 /**
1219  * Returns the list of available audio codecs.
1220  *
1221  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1222  * structure holding the codec information.
1223  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1224  * (such as the order of codecs).
1225 **/
1226 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1227 {
1228         return lc->codecs_conf.audio_codecs;
1229 }
1230
1231 /**
1232  * Returns the list of available video codecs.
1233  *
1234  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1235  * structure holding the codec information.
1236  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1237  * (such as the order of codecs).
1238 **/
1239 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1240 {
1241         return lc->codecs_conf.video_codecs;
1242 }
1243
1244 /**
1245  * Sets the local "from" identity.
1246  *
1247  * @ingroup proxies
1248  * This data is used in absence of any proxy configuration or when no
1249  * default proxy configuration is set. See LinphoneProxyConfig
1250 **/
1251 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1252 {
1253         LinphoneAddress *ctt;
1254
1255         if ((ctt=linphone_address_new(contact))==0) {
1256                 ms_error("Bad contact url: %s",contact);
1257                 return -1;
1258         }
1259         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1260         lc->sip_conf.contact=ms_strdup(contact);
1261         if (lc->sip_conf.guessed_contact!=NULL){
1262                 ms_free(lc->sip_conf.guessed_contact);
1263                 lc->sip_conf.guessed_contact=NULL;
1264         }
1265         linphone_address_destroy(ctt);
1266         return 0;
1267 }
1268
1269
1270 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1271 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1272         const char *ip;
1273         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1274             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1275                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1276                 return;
1277         }
1278         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1279                 return;
1280         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1281         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1282 }
1283
1284 static void update_primary_contact(LinphoneCore *lc){
1285         char *guessed=NULL;
1286         char tmp[LINPHONE_IPADDR_SIZE];
1287
1288         LinphoneAddress *url;
1289         if (lc->sip_conf.guessed_contact!=NULL){
1290                 ms_free(lc->sip_conf.guessed_contact);
1291                 lc->sip_conf.guessed_contact=NULL;
1292         }
1293         url=linphone_address_new(lc->sip_conf.contact);
1294         if (!url){
1295                 ms_error("Could not parse identity contact !");
1296                 url=linphone_address_new("sip:unknown@unkwownhost");
1297         }
1298         linphone_core_get_local_ip(lc, NULL, tmp);
1299         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1300                 ms_warning("Local loopback network only !");
1301                 lc->sip_conf.loopback_only=TRUE;
1302         }else lc->sip_conf.loopback_only=FALSE;
1303         linphone_address_set_domain(url,tmp);
1304         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1305         guessed=linphone_address_as_string(url);
1306         lc->sip_conf.guessed_contact=guessed;
1307         linphone_address_destroy(url);
1308 }
1309
1310 /**
1311  * Returns the default identity when no proxy configuration is used.
1312  *
1313  * @ingroup proxies
1314 **/
1315 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1316         char *identity;
1317
1318         if (lc->sip_conf.guess_hostname){
1319                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1320                         update_primary_contact(lc);
1321                 }
1322                 identity=lc->sip_conf.guessed_contact;
1323         }else{
1324                 identity=lc->sip_conf.contact;
1325         }
1326         return identity;
1327 }
1328
1329 /**
1330  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1331  *
1332  * @ingroup proxies
1333 **/
1334 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1335         lc->sip_conf.guess_hostname=val;
1336 }
1337
1338 /**
1339  * Returns TRUE if hostname part of primary contact is guessed automatically.
1340  *
1341  * @ingroup proxies
1342 **/
1343 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1344         return lc->sip_conf.guess_hostname;
1345 }
1346
1347 /**
1348  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1349  * instead of const char*
1350  *
1351  * @ingroup proxies
1352 **/
1353 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1354         return linphone_address_new(linphone_core_get_primary_contact(lc));
1355 }
1356
1357 /**
1358  * Sets the list of audio codecs.
1359  *
1360  * @ingroup media_parameters
1361  * The list is taken by the LinphoneCore thus the application should not free it.
1362  * This list is made of struct PayloadType describing the codec parameters.
1363 **/
1364 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1365 {
1366         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1367         lc->codecs_conf.audio_codecs=codecs;
1368         _linphone_core_codec_config_write(lc);
1369         return 0;
1370 }
1371
1372 /**
1373  * Sets the list of video codecs.
1374  *
1375  * @ingroup media_parameters
1376  * The list is taken by the LinphoneCore thus the application should not free it.
1377  * This list is made of struct PayloadType describing the codec parameters.
1378 **/
1379 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1380 {
1381         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1382         lc->codecs_conf.video_codecs=codecs;
1383         _linphone_core_codec_config_write(lc);
1384         return 0;
1385 }
1386
1387 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1388 {
1389         return lc->friends;
1390 }
1391
1392 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1393 {
1394         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1395 }
1396
1397 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1398 {
1399         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1400 }
1401
1402 /**
1403  * Returns the nominal audio jitter buffer size in milliseconds.
1404  *
1405  * @ingroup media_parameters
1406 **/
1407 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1408 {
1409         return lc->rtp_conf.audio_jitt_comp;
1410 }
1411
1412 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1413 {
1414         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1415 }
1416
1417 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1418 {
1419         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1420 }
1421
1422 /**
1423  * Returns the nominal video jitter buffer size in milliseconds.
1424  *
1425  * @ingroup media_parameters
1426 **/
1427 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1428 {
1429         return lc->rtp_conf.video_jitt_comp;
1430 }
1431
1432 /**
1433  * Returns the UDP port used for audio streaming.
1434  *
1435  * @ingroup network_parameters
1436 **/
1437 int linphone_core_get_audio_port(const LinphoneCore *lc)
1438 {
1439         return lc->rtp_conf.audio_rtp_port;
1440 }
1441
1442 /**
1443  * Returns the UDP port used for video streaming.
1444  *
1445  * @ingroup network_parameters
1446 **/
1447 int linphone_core_get_video_port(const LinphoneCore *lc){
1448         return lc->rtp_conf.video_rtp_port;
1449 }
1450
1451
1452 /**
1453  * Returns the value in seconds of the no-rtp timeout.
1454  *
1455  * @ingroup media_parameters
1456  * When no RTP or RTCP packets have been received for a while
1457  * LinphoneCore will consider the call is broken (remote end crashed or
1458  * disconnected from the network), and thus will terminate the call.
1459  * The no-rtp timeout is the duration above which the call is considered broken.
1460 **/
1461 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1462         return lc->rtp_conf.nortp_timeout;
1463 }
1464
1465 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1466         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1467 }
1468
1469 /**
1470  * Sets the nominal audio jitter buffer size in milliseconds.
1471  *
1472  * @ingroup media_parameters
1473 **/
1474 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1475 {
1476         lc->rtp_conf.audio_jitt_comp=value;
1477 }
1478
1479 /**
1480  * Sets the nominal video jitter buffer size in milliseconds.
1481  *
1482  * @ingroup media_parameters
1483 **/
1484 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1485 {
1486         lc->rtp_conf.video_jitt_comp=value;
1487 }
1488
1489 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1490         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1491 }
1492
1493 /**
1494  * Sets the UDP port used for audio streaming.
1495  *
1496  * @ingroup network_parameters
1497 **/
1498 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1499 {
1500         lc->rtp_conf.audio_rtp_port=port;
1501 }
1502
1503 /**
1504  * Sets the UDP port used for video streaming.
1505  *
1506  * @ingroup network_parameters
1507 **/
1508 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1509         lc->rtp_conf.video_rtp_port=port;
1510 }
1511
1512 /**
1513  * Sets the no-rtp timeout value in seconds.
1514  *
1515  * @ingroup media_parameters
1516  * See linphone_core_get_nortp_timeout() for details.
1517 **/
1518 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1519         lc->rtp_conf.nortp_timeout=nortp_timeout;
1520 }
1521
1522 /**
1523  * Indicates whether SIP INFO is used for sending digits.
1524  *
1525  * @ingroup media_parameters
1526 **/
1527 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1528 {
1529         return lc->sip_conf.use_info;
1530 }
1531
1532 /**
1533  * Sets whether SIP INFO is to be used for sending digits.
1534  *
1535  * @ingroup media_parameters
1536 **/
1537 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1538 {
1539         lc->sip_conf.use_info=use_info;
1540 }
1541
1542 /**
1543  * Indicates whether RFC2833 is used for sending digits.
1544  *
1545  * @ingroup media_parameters
1546 **/
1547 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1548 {
1549         return lc->sip_conf.use_rfc2833;
1550 }
1551
1552 /**
1553  * Sets whether RFC2833 is to be used for sending digits.
1554  *
1555  * @ingroup media_parameters
1556 **/
1557 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1558 {
1559         lc->sip_conf.use_rfc2833=use_rfc2833;
1560 }
1561
1562 /**
1563  * Returns the UDP port used by SIP.
1564  *
1565  * Deprecated: use linphone_core_get_sip_transports() instead.
1566  * @ingroup network_parameters
1567 **/
1568 int linphone_core_get_sip_port(LinphoneCore *lc)
1569 {
1570         LCSipTransports *tr=&lc->sip_conf.transports;
1571         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1572 }
1573
1574 static char _ua_name[64]="Linphone";
1575 static char _ua_version[64]=LINPHONE_VERSION;
1576
1577 #ifdef HAVE_EXOSIP_GET_VERSION
1578 extern const char *eXosip_get_version();
1579 #endif
1580
1581 static void apply_user_agent(LinphoneCore *lc){
1582         char ua_string[256];
1583         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1584 #ifdef HAVE_EXOSIP_GET_VERSION
1585                  eXosip_get_version()
1586 #else
1587                  "unknown"
1588 #endif
1589         );
1590         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1591 }
1592
1593 /**
1594  * Sets the user agent string used in SIP messages.
1595  *
1596  * @ingroup misc
1597 **/
1598 void linphone_core_set_user_agent(const char *name, const char *ver){
1599         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1600         strncpy(_ua_version,ver,sizeof(_ua_version));
1601 }
1602
1603 const char *linphone_core_get_user_agent_name(void){
1604         return _ua_name;
1605 }
1606
1607 const char *linphone_core_get_user_agent_version(void){
1608         return _ua_version;
1609 }
1610
1611 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1612         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1613         ms_warning("%s",msg);
1614         if (lc->vtable.display_warning)
1615                 lc->vtable.display_warning(lc,msg);
1616         ms_free(msg);
1617 }
1618
1619 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1620         return
1621                 tr2->udp_port==tr1->udp_port &&
1622                 tr2->tcp_port==tr1->tcp_port &&
1623                 tr2->dtls_port==tr1->dtls_port &&
1624                 tr2->tls_port==tr1->tls_port;
1625 }
1626
1627 static int apply_transports(LinphoneCore *lc){
1628         Sal *sal=lc->sal;
1629         const char *anyaddr;
1630         LCSipTransports *tr=&lc->sip_conf.transports;
1631
1632         /*first of all invalidate all current registrations so that we can register again with new transports*/
1633         __linphone_core_invalidate_registers(lc);
1634
1635         if (lc->sip_conf.ipv6_enabled)
1636                 anyaddr="::0";
1637         else
1638                 anyaddr="0.0.0.0";
1639
1640         sal_unlisten_ports(sal);
1641         if (tr->udp_port>0){
1642                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1643                         transport_error(lc,"udp",tr->udp_port);
1644                         return -1;
1645                 }
1646         }
1647         if (tr->tcp_port>0){
1648                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1649                         transport_error(lc,"tcp",tr->tcp_port);
1650                 }
1651         }
1652         if (tr->tls_port>0){
1653                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1654                         transport_error(lc,"tls",tr->tls_port);
1655                 }
1656         }
1657         apply_user_agent(lc);
1658         return 0;
1659 }
1660
1661 /**
1662  * Sets the ports to be used for each of transport (UDP or TCP)
1663  *
1664  * A zero value port for a given transport means the transport
1665  * is not used.
1666  *
1667  * @ingroup network_parameters
1668 **/
1669 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1670
1671         if (transports_unchanged(tr,&lc->sip_conf.transports))
1672                 return 0;
1673         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1674
1675         if (linphone_core_ready(lc)){
1676                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1677                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1678                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1679         }
1680
1681         if (lc->sal==NULL) return 0;
1682         return apply_transports(lc);
1683 }
1684
1685 /**
1686  * Retrieves the ports used for each transport (udp, tcp).
1687  * A zero value port for a given transport means the transport
1688  * is not used.
1689  * @ingroup network_parameters
1690 **/
1691 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1692         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1693         return 0;
1694 }
1695
1696 /**
1697  * Sets the UDP port to be used by SIP.
1698  *
1699  * Deprecated: use linphone_core_set_sip_transports() instead.
1700  * @ingroup network_parameters
1701 **/
1702 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1703 {
1704         LCSipTransports tr;
1705         memset(&tr,0,sizeof(tr));
1706         tr.udp_port=port;
1707         linphone_core_set_sip_transports (lc,&tr);
1708 }
1709
1710 /**
1711  * Returns TRUE if IPv6 is enabled.
1712  *
1713  * @ingroup network_parameters
1714  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1715 **/
1716 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1717         return lc->sip_conf.ipv6_enabled;
1718 }
1719
1720 /**
1721  * Turns IPv6 support on or off.
1722  *
1723  * @ingroup network_parameters
1724  *
1725  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1726  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1727  * By default IPv6 support is off.
1728 **/
1729 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1730         if (lc->sip_conf.ipv6_enabled!=val){
1731                 lc->sip_conf.ipv6_enabled=val;
1732                 if (lc->sal){
1733                         /* we need to restart eXosip */
1734                         apply_transports(lc);
1735                 }
1736         }
1737 }
1738
1739
1740 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1741         static time_t last_check=0;
1742         static bool_t last_status=FALSE;
1743         char result[LINPHONE_IPADDR_SIZE];
1744         bool_t new_status=last_status;
1745
1746         /* only do the network up checking every five seconds */
1747         if (last_check==0 || (curtime-last_check)>=5){
1748                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1749                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1750                         new_status=TRUE;
1751                 }else new_status=FALSE;
1752                 last_check=curtime;
1753                 if (new_status!=last_status) {
1754                         if (new_status){
1755                                 ms_message("New local ip address is %s",result);
1756                         }
1757                         set_network_reachable(lc,new_status, curtime);
1758                         last_status=new_status;
1759                 }
1760         }
1761 }
1762
1763 static void proxy_update(LinphoneCore *lc){
1764         MSList *elem,*next;
1765         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1766         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1767                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1768                 next=elem->next;
1769                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1770                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1771                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1772                         linphone_proxy_config_destroy(cfg);
1773                 }
1774         }
1775 }
1776
1777 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1778         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1779         if (lf!=NULL){
1780                 lf->info=info;
1781                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1782                 if (lc->vtable.buddy_info_updated)
1783                         lc->vtable.buddy_info_updated(lc,lf);
1784         }else{
1785                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1786         }
1787 }
1788
1789 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1790         MSList *elem;
1791         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1792         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1793                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1794                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1795                         if (req->results!=NULL){
1796                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1797                                 ms_list_free(req->results);
1798                                 req->results=NULL;
1799                                 assign_buddy_info(lc,i);
1800                         }
1801                         sip_setup_context_buddy_lookup_free(ctx,req);
1802                         elem->data=NULL;
1803                 }
1804         }
1805         /*purge completed requests */
1806         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1807                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1808         }
1809 }
1810
1811 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1812         const MSList *elem;
1813         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1814         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1815                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1816                 if (lf->info==NULL){
1817                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1818                                 if (linphone_address_get_username(lf->uri)!=NULL){
1819                                         BuddyLookupRequest *req;
1820                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1821                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1822                                         buddy_lookup_request_set_key(req,tmp);
1823                                         buddy_lookup_request_set_max_results(req,1);
1824                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1825                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1826                                         ms_free(tmp);
1827                                 }
1828                         }
1829                 }
1830         }
1831 }
1832
1833 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1834         LinphoneProxyConfig *cfg=NULL;
1835         linphone_core_get_default_proxy(lc,&cfg);
1836         if (cfg){
1837                 if (lc->bl_refresh){
1838                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1839                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1840                                 linphone_core_grab_buddy_infos(lc,cfg);
1841                                 lc->bl_refresh=FALSE;
1842                         }
1843                 }
1844                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1845         }
1846 }
1847
1848 /**
1849  * Main loop function. It is crucial that your application call it periodically.
1850  *
1851  * @ingroup initializing
1852  * linphone_core_iterate() performs various backgrounds tasks:
1853  * - receiving of SIP messages
1854  * - handles timers and timeout
1855  * - performs registration to proxies
1856  * - authentication retries
1857  * The application MUST call this function periodically, in its main loop.
1858  * Be careful that this function must be called from the same thread as
1859  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1860  * serialized with a mutex.
1861 **/
1862 void linphone_core_iterate(LinphoneCore *lc){
1863         MSList *calls;
1864         LinphoneCall *call;
1865         time_t curtime=time(NULL);
1866         int elapsed;
1867         bool_t one_second_elapsed=FALSE;
1868
1869         if (curtime-lc->prevtime>=1){
1870                 lc->prevtime=curtime;
1871                 one_second_elapsed=TRUE;
1872         }
1873
1874         if (lc->ecc!=NULL){
1875                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1876                 if (ecs!=LinphoneEcCalibratorInProgress){
1877                         if (lc->ecc->cb)
1878                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1879                         if (ecs==LinphoneEcCalibratorDone){
1880                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1881                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1882                         }
1883                         ec_calibrator_destroy(lc->ecc);
1884                         lc->ecc=NULL;
1885                 }
1886         }
1887
1888         if (lc->preview_finished){
1889                 lc->preview_finished=0;
1890                 ring_stop(lc->ringstream);
1891                 lc->ringstream=NULL;
1892                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1893         }
1894
1895         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1896             && (curtime-lc->dmfs_playing_start_time)>5){
1897                 ring_stop(lc->ringstream);
1898                 lc->ringstream=NULL;
1899                 lc->dmfs_playing_start_time=0;
1900         }
1901
1902         sal_iterate(lc->sal);
1903         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1904         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1905
1906         proxy_update(lc);
1907
1908         //we have to iterate for each call
1909         calls= lc->calls;
1910         while(calls!= NULL){
1911                 call = (LinphoneCall *)calls->data;
1912                  /* get immediately a reference to next one in case the one
1913                  we are going to examine is destroy and removed during
1914                  linphone_core_start_invite() */
1915                 calls=calls->next;
1916                 linphone_call_background_tasks(call,one_second_elapsed);
1917                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
1918                         /*start the call even if the OPTIONS reply did not arrive*/
1919                         if (call->ice_session != NULL) {
1920                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
1921                                                 ,linphone_core_get_stun_server(lc));
1922                                 linphone_call_delete_ice_session(call);
1923                                 linphone_call_stop_media_streams_for_ice_gathering(call);
1924                         }
1925                         linphone_core_start_invite(lc,call);
1926                 }
1927                 if (call->state==LinphoneCallIncomingReceived){
1928                         elapsed=curtime-call->start_time;
1929                         ms_message("incoming call ringing for %i seconds",elapsed);
1930                         if (elapsed>lc->sip_conf.inc_timeout){
1931                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
1932                                 call->log->status=LinphoneCallMissed;
1933                                 call->reason=LinphoneReasonNotAnswered;
1934                                 linphone_core_terminate_call(lc,call);
1935                         }
1936                 }
1937         }
1938
1939         if (linphone_core_video_preview_enabled(lc)){
1940                 if (lc->previewstream==NULL && lc->calls==NULL)
1941                         toggle_video_preview(lc,TRUE);
1942 #ifdef VIDEO_ENABLED
1943                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
1944 #endif
1945         }else{
1946                 if (lc->previewstream!=NULL)
1947                         toggle_video_preview(lc,FALSE);
1948         }
1949
1950         linphone_core_run_hooks(lc);
1951         linphone_core_do_plugin_tasks(lc);
1952
1953         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
1954             (curtime-lc->netup_time)>3){
1955                 linphone_core_send_initial_subscribes(lc);
1956                 lc->initial_subscribes_sent=TRUE;
1957         }
1958
1959         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
1960                 lp_config_sync(lc->config);
1961         }
1962 }
1963
1964 /**
1965  * Interpret a call destination as supplied by the user, and returns a fully qualified
1966  * LinphoneAddress.
1967  *
1968  * A sip address should look like DisplayName <sip:username@domain:port> .
1969  * Basically this function performs the following tasks
1970  * - if a phone number is entered, prepend country prefix of the default proxy
1971  *   configuration, eventually escape the '+' by 00.
1972  * - if no domain part is supplied, append the domain name of the default proxy
1973  * - if no sip: is present, prepend it
1974  *
1975  * The result is a syntaxically correct SIP address.
1976 **/
1977
1978 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
1979         enum_lookup_res_t *enumres=NULL;
1980         char *enum_domain=NULL;
1981         LinphoneProxyConfig *proxy=lc->default_proxy;;
1982         char *tmpurl;
1983         LinphoneAddress *uri;
1984
1985         if (is_enum(url,&enum_domain)){
1986                 if (lc->vtable.display_status!=NULL)
1987                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
1988                 if (enum_lookup(enum_domain,&enumres)<0){
1989                         if (lc->vtable.display_status!=NULL)
1990                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
1991                         ms_free(enum_domain);
1992                         return NULL;
1993                 }
1994                 ms_free(enum_domain);
1995                 tmpurl=enumres->sip_address[0];
1996                 uri=linphone_address_new(tmpurl);
1997                 enum_lookup_res_free(enumres);
1998                 return uri;
1999         }
2000         /* check if we have a "sip:" */
2001         if (strstr(url,"sip:")==NULL){
2002                 /* this doesn't look like a true sip uri */
2003                 if (strchr(url,'@')!=NULL){
2004                         /* seems like sip: is missing !*/
2005                         tmpurl=ms_strdup_printf("sip:%s",url);
2006                         uri=linphone_address_new(tmpurl);
2007                         ms_free(tmpurl);
2008                         if (uri){
2009                                 return uri;
2010                         }
2011                 }
2012
2013                 if (proxy!=NULL){
2014                         /* append the proxy domain suffix */
2015                         const char *identity=linphone_proxy_config_get_identity(proxy);
2016                         char normalized_username[128];
2017                         uri=linphone_address_new(identity);
2018                         if (uri==NULL){
2019                                 return NULL;
2020                         }
2021                         linphone_address_set_display_name(uri,NULL);
2022                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2023                                                                 sizeof(normalized_username));
2024                         linphone_address_set_username(uri,normalized_username);
2025                         return uri;
2026                 }else return NULL;
2027         }
2028         uri=linphone_address_new(url);
2029         if (uri!=NULL){
2030                 return uri;
2031         }
2032         /* else we could not do anything with url given by user, so display an error */
2033         if (lc->vtable.display_warning!=NULL){
2034                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2035         }
2036         return NULL;
2037 }
2038
2039 /**
2040  * Returns the default identity SIP address.
2041  *
2042  * @ingroup proxies
2043  * This is an helper function:
2044  *
2045  * If no default proxy is set, this will return the primary contact (
2046  * see linphone_core_get_primary_contact() ). If a default proxy is set
2047  * it returns the registered identity on the proxy.
2048 **/
2049 const char * linphone_core_get_identity(LinphoneCore *lc){
2050         LinphoneProxyConfig *proxy=NULL;
2051         const char *from;
2052         linphone_core_get_default_proxy(lc,&proxy);
2053         if (proxy!=NULL) {
2054                 from=linphone_proxy_config_get_identity(proxy);
2055         }else from=linphone_core_get_primary_contact(lc);
2056         return from;
2057 }
2058
2059 const char * linphone_core_get_route(LinphoneCore *lc){
2060         LinphoneProxyConfig *proxy=NULL;
2061         const char *route=NULL;
2062         linphone_core_get_default_proxy(lc,&proxy);
2063         if (proxy!=NULL) {
2064                 route=linphone_proxy_config_get_route(proxy);
2065         }
2066         return route;
2067 }
2068
2069 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2070         if (call->refer_pending){
2071                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2072                 LinphoneCall *newcall;
2073                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2074                 cp->referer=call;
2075                 ms_message("Starting new call to refered address %s",call->refer_to);
2076                 call->refer_pending=FALSE;
2077                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2078                 linphone_call_params_destroy(cp);
2079                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2080         }
2081 }
2082
2083 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2084         if (referer->op!=NULL){
2085                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2086         }
2087 }
2088
2089 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2090         const MSList *elem;
2091         LinphoneProxyConfig *found_cfg=NULL;
2092         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2093
2094         /*always prefer the default proxy if it is matching the destination uri*/
2095         if (default_cfg){
2096                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2097                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2098                         return default_cfg;
2099         }
2100
2101         /*otherwise iterate through the other proxy config and return the first matching*/
2102         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2103                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2104                 const char *domain=linphone_proxy_config_get_domain(cfg);
2105                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2106                         found_cfg=cfg;
2107                         break;
2108                 }
2109         }
2110         return found_cfg;
2111 }
2112
2113 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2114         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2115         if (cfg==NULL)
2116                 linphone_core_get_default_proxy (lc,&cfg);
2117         if (cfg!=NULL){
2118                 if (route) *route=linphone_proxy_config_get_route(cfg);
2119                 return linphone_proxy_config_get_identity (cfg);
2120         }
2121         return linphone_core_get_primary_contact (lc);
2122 }
2123
2124 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2125         LinphoneAddress *ctt;
2126         const char *localip=call->localip;
2127
2128         /* first use user's supplied ip address if asked*/
2129         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2130                 ctt=linphone_core_get_primary_contact_parsed(lc);
2131                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2132                         linphone_core_get_nat_address_resolved(lc));
2133         }
2134
2135         /* if already choosed, don't change it */
2136         if (call->op && sal_op_get_contact(call->op)!=NULL){
2137                 return NULL;
2138         }
2139         /* if the ping OPTIONS request succeeded use the contact guessed from the
2140          received, rport*/
2141         if (call->ping_op){
2142                 const char *guessed=sal_op_get_contact(call->ping_op);
2143                 if (guessed){
2144                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2145                         return ms_strdup(guessed);
2146                 }
2147         }
2148
2149         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2150         if (dest_proxy && dest_proxy->op){
2151                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2152                 if (fixed_contact) {
2153                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2154                         return ms_strdup(fixed_contact);
2155                 }
2156         }
2157
2158         ctt=linphone_core_get_primary_contact_parsed(lc);
2159
2160         if (ctt!=NULL){
2161                 char *ret;
2162                 /*otherwise use supllied localip*/
2163                 linphone_address_set_domain(ctt,localip);
2164                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2165                 ret=linphone_address_as_string_uri_only(ctt);
2166                 linphone_address_destroy(ctt);
2167                 ms_message("Contact has been fixed using local ip to %s",ret);
2168                 return ret;
2169         }
2170         return NULL;
2171 }
2172
2173 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2174         bool_t ice_ready = FALSE;
2175         bool_t ping_ready = FALSE;
2176
2177         if (call->ice_session != NULL) {
2178                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2179         } else {
2180                 ice_ready = TRUE;
2181         }
2182         if (call->ping_op != NULL) {
2183                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2184         } else {
2185                 ping_ready = TRUE;
2186         }
2187
2188         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2189                 return linphone_core_start_invite(lc, call);
2190         }
2191         return 0;
2192 }
2193
2194 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2195         int err;
2196         char *contact;
2197         char *real_url,*barmsg;
2198         char *from;
2199         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2200
2201         /*try to be best-effort in giving real local or routable contact address */
2202         contact=get_fixed_contact(lc,call,dest_proxy);
2203         if (contact){
2204                 sal_op_set_contact(call->op, contact);
2205                 ms_free(contact);
2206         }
2207         linphone_core_stop_dtmf_stream(lc);
2208         linphone_call_init_media_streams(call);
2209         if (lc->ringstream==NULL)
2210                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2211         call->localdesc=create_local_media_description(lc,call);
2212         if (!lc->sip_conf.sdp_200_ack){
2213                 call->media_pending=TRUE;
2214                 sal_call_set_local_media_description(call->op,call->localdesc);
2215         }
2216         real_url=linphone_address_as_string(call->log->to);
2217         from=linphone_address_as_string(call->log->from);
2218         err=sal_call(call->op,from,real_url);
2219         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2220
2221         if (lc->sip_conf.sdp_200_ack){
2222                 call->media_pending=TRUE;
2223                 sal_call_set_local_media_description(call->op,call->localdesc);
2224         }
2225         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2226         if (lc->vtable.display_status!=NULL)
2227                 lc->vtable.display_status(lc,barmsg);
2228         ms_free(barmsg);
2229
2230         if (err<0){
2231                 if (lc->vtable.display_status!=NULL)
2232                         lc->vtable.display_status(lc,_("Could not call"));
2233                 linphone_call_stop_media_streams(call);
2234                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2235         }else {
2236                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2237         }
2238         ms_free(real_url);
2239         ms_free(from);
2240         return err;
2241 }
2242
2243 /**
2244  * Initiates an outgoing call
2245  *
2246  * @ingroup call_control
2247  * @param lc the LinphoneCore object
2248  * @param url the destination of the call (sip address, or phone number).
2249  *
2250  * The application doesn't own a reference to the returned LinphoneCall object.
2251  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2252  *
2253  * @return a LinphoneCall object or NULL in case of failure
2254 **/
2255 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2256         LinphoneCall *call;
2257         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2258         p->has_video &= !!lc->video_policy.automatically_initiate;
2259         call=linphone_core_invite_with_params(lc,url,p);
2260         linphone_call_params_destroy(p);
2261         return call;
2262 }
2263
2264
2265 /**
2266  * Initiates an outgoing call according to supplied call parameters
2267  *
2268  * @ingroup call_control
2269  * @param lc the LinphoneCore object
2270  * @param url the destination of the call (sip address, or phone number).
2271  * @param p call parameters
2272  *
2273  * The application doesn't own a reference to the returned LinphoneCall object.
2274  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2275  *
2276  * @return a LinphoneCall object or NULL in case of failure
2277 **/
2278 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2279         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2280         if (addr){
2281                 LinphoneCall *call;
2282                 call=linphone_core_invite_address_with_params(lc,addr,p);
2283                 linphone_address_destroy(addr);
2284                 return call;
2285         }
2286         return NULL;
2287 }
2288
2289 /**
2290  * Initiates an outgoing call given a destination LinphoneAddress
2291  *
2292  * @ingroup call_control
2293  * @param lc the LinphoneCore object
2294  * @param addr the destination of the call (sip address).
2295  *
2296  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2297  * created by linphone_core_interpret_url().
2298  * The application doesn't own a reference to the returned LinphoneCall object.
2299  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2300  *
2301  * @return a LinphoneCall object or NULL in case of failure
2302 **/
2303 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2304         LinphoneCall *call;
2305         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2306         p->has_video &= !!lc->video_policy.automatically_initiate;
2307         call=linphone_core_invite_address_with_params (lc,addr,p);
2308         linphone_call_params_destroy(p);
2309         return call;
2310 }
2311
2312
2313 /**
2314  * Initiates an outgoing call given a destination LinphoneAddress
2315  *
2316  * @ingroup call_control
2317  * @param lc the LinphoneCore object
2318  * @param addr the destination of the call (sip address).
2319         @param params call parameters
2320  *
2321  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2322  * created by linphone_core_interpret_url().
2323  * The application doesn't own a reference to the returned LinphoneCall object.
2324  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2325  *
2326  * @return a LinphoneCall object or NULL in case of failure
2327 **/
2328 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2329 {
2330         const char *route=NULL;
2331         const char *from=NULL;
2332         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2333         LinphoneAddress *parsed_url2=NULL;
2334         char *real_url=NULL;
2335         LinphoneCall *call;
2336         bool_t use_ice = FALSE;
2337
2338         linphone_core_preempt_sound_resources(lc);
2339
2340         if(!linphone_core_can_we_add_call(lc)){
2341                 if (lc->vtable.display_warning)
2342                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2343                 return NULL;
2344         }
2345         linphone_core_get_default_proxy(lc,&proxy);
2346         route=linphone_core_get_route(lc);
2347
2348         real_url=linphone_address_as_string(addr);
2349         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2350
2351         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2352                 ms_message("Overriding default proxy setting for this call:");
2353                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2354         }
2355
2356         if (dest_proxy!=NULL)
2357                 from=linphone_proxy_config_get_identity(dest_proxy);
2358         else if (proxy!=NULL)
2359                 from=linphone_proxy_config_get_identity(proxy);
2360
2361         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2362         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2363
2364         parsed_url2=linphone_address_new(from);
2365
2366         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2367         call->dest_proxy=dest_proxy;
2368         sal_op_set_route(call->op,route);
2369
2370         if(linphone_core_add_call(lc,call)!= 0)
2371         {
2372                 ms_warning("we had a problem in adding the call into the invite ... weird");
2373                 linphone_call_unref(call);
2374                 return NULL;
2375         }
2376         /* this call becomes now the current one*/
2377         lc->current_call=call;
2378         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2379         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2380                 /* Defer the start of the call after the ICE gathering process. */
2381                 linphone_call_init_media_streams(call);
2382                 linphone_call_start_media_streams_for_ice_gathering(call);
2383                 call->start_time=time(NULL);
2384                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2385                         /* Ice candidates gathering failed, proceed with the call anyway. */
2386                         linphone_call_delete_ice_session(call);
2387                         linphone_call_stop_media_streams_for_ice_gathering(call);
2388                 } else {
2389                         use_ice = TRUE;
2390                 }
2391         }
2392
2393         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2394                 /*defer the start of the call after the OPTIONS ping*/
2395                 call->ping_replied=FALSE;
2396                 call->ping_op=sal_op_new(lc->sal);
2397                 sal_ping(call->ping_op,from,real_url);
2398                 sal_op_set_user_pointer(call->ping_op,call);
2399                 call->start_time=time(NULL);
2400         }else{
2401                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2402         }
2403
2404         if (real_url!=NULL) ms_free(real_url);
2405         return call;
2406 }
2407
2408 /**
2409  * Performs a simple call transfer to the specified destination.
2410  *
2411  * The remote endpoint is expected to issue a new call to the specified destination.
2412  * The current call remains active and thus can be later paused or terminated.
2413 **/
2414 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2415 {
2416         char *real_url=NULL;
2417         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2418
2419         if (!real_parsed_url){
2420                 /* bad url */
2421                 return -1;
2422         }
2423         if (call==NULL){
2424                 ms_warning("No established call to refer.");
2425                 return -1;
2426         }
2427         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2428         real_url=linphone_address_as_string (real_parsed_url);
2429         sal_call_refer(call->op,real_url);
2430         ms_free(real_url);
2431         linphone_address_destroy(real_parsed_url);
2432         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2433         return 0;
2434 }
2435
2436 /**
2437  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2438  * @param lc linphone core object
2439  * @param call a running call you want to transfer
2440  * @param dest a running call whose remote person will receive the transfer
2441  *
2442  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2443  * The destination call is a call previously established to introduce the transfered person.
2444  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2445  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2446  * close the call with us (the 'dest' call).
2447 **/
2448 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2449         int result = sal_call_refer_with_replaces (call->op,dest->op);
2450         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2451         return result;
2452 }
2453
2454 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2455         LinphoneCall *call = linphone_core_get_current_call(lc);
2456         if(call != NULL)
2457         {
2458                 if(call->dir==LinphoneCallIncoming
2459                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2460                         return TRUE;
2461         }
2462         return FALSE;
2463 }
2464
2465 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2466         char *barmesg;
2467         char *tmp;
2468         LinphoneAddress *from_parsed;
2469         SalMediaDescription *md;
2470         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2471         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2472
2473         call->localdesc=create_local_media_description(lc,call);
2474         sal_call_set_local_media_description(call->op,call->localdesc);
2475         md=sal_call_get_final_media_description(call->op);
2476         if (md && sal_media_description_empty(md)){
2477                 sal_call_decline(call->op,SalReasonMedia,NULL);
2478                 linphone_call_unref(call);
2479                 return;
2480         }
2481
2482         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2483         linphone_address_clean(from_parsed);
2484         tmp=linphone_address_as_string(from_parsed);
2485         linphone_address_destroy(from_parsed);
2486         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2487             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2488         if (lc->vtable.show) lc->vtable.show(lc);
2489         if (lc->vtable.display_status)
2490             lc->vtable.display_status(lc,barmesg);
2491
2492         /* play the ring if this is the only call*/
2493         if (ms_list_size(lc->calls)==1){
2494                 lc->current_call=call;
2495                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2496                         ring_stop(lc->ringstream);
2497                         lc->ringstream=NULL;
2498                         lc->dmfs_playing_start_time=0;
2499                 }
2500                 if (lc->sound_conf.ring_sndcard!=NULL){
2501                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2502                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2503                                 ms_message("Starting local ring...");
2504                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2505                         }
2506                         else
2507                         {
2508                                 ms_message("the local ring is already started");
2509                         }
2510                 }
2511         }else{
2512                 /* else play a tone within the context of the current call */
2513                 call->ringing_beep=TRUE;
2514                 linphone_core_play_tone(lc);
2515         }
2516
2517         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2518
2519         if (call->state==LinphoneCallIncomingReceived){
2520                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2521
2522                 if (propose_early_media || ringback_tone!=NULL){
2523                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2524                         md=sal_call_get_final_media_description(call->op);
2525                         linphone_core_update_streams(lc,call,md);
2526                 }
2527                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2528                         linphone_core_accept_call(lc,call);
2529                 }
2530         }
2531         linphone_call_unref(call);
2532
2533         ms_free(barmesg);
2534         ms_free(tmp);
2535 }
2536
2537 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2538         const char *subject;
2539         call->camera_active=call->params.has_video;
2540         update_local_media_description(lc,call);
2541         if (call->ice_session != NULL)
2542                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2543
2544         if (call->params.in_conference){
2545                 subject="Conference";
2546         }else{
2547                 subject="Media change";
2548         }
2549         if (lc->vtable.display_status)
2550                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2551         sal_call_set_local_media_description (call->op,call->localdesc);
2552         return sal_call_update(call->op,subject);
2553 }
2554
2555 /**
2556  * @ingroup call_control
2557  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2558  *
2559  * In this version this is limited to the following use cases:
2560  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2561  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2562  *
2563  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2564  * @param lc the core
2565  * @param call the call to be updated
2566  * @param params the new call parameters to use. (may be NULL)
2567  * @return 0 if successful, -1 otherwise.
2568 **/
2569 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2570         int err=0;
2571         if (params!=NULL){
2572 #ifdef VIDEO_ENABLED
2573                 bool_t has_video = call->params.has_video;
2574                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2575                         ice_session_remove_check_list(call->ice_session, call->videostream->ice_check_list);
2576                         call->videostream->ice_check_list = NULL;
2577                 }
2578                 call->params = *params;
2579                 if ((call->ice_session != NULL) && (ice_session_state(call->ice_session) != IS_Completed) && !has_video && params->has_video) {
2580                         /* Defer call update until the ICE candidates gathering process has finished. */
2581                         ms_message("Defer call update to gather ICE candidates");
2582                         update_local_media_description(lc, call);
2583                         linphone_call_init_video_stream(call);
2584                         video_stream_prepare_video(call->videostream);
2585                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2586                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2587                                 linphone_call_delete_ice_session(call);
2588                         } else return err;
2589                 }
2590 #endif
2591                 err = linphone_core_start_update_call(lc, call);
2592         }else{
2593 #ifdef VIDEO_ENABLED
2594                 if (call->videostream!=NULL){
2595                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2596                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2597                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2598                         }else video_stream_update_video_params(call->videostream);
2599                 }
2600 #endif
2601         }
2602
2603         return err;
2604 }
2605
2606 /**
2607  * @ingroup call_control
2608  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2609  *
2610  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2611  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2612  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2613  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2614  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2615  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2616  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2617  *
2618  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2619 **/
2620 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2621         if (call->state==LinphoneCallUpdatedByRemote){
2622                 call->defer_update=TRUE;
2623                 return 0;
2624         }
2625         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2626         return -1;
2627 }
2628
2629 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2630         SalMediaDescription *md;
2631         if (call->ice_session != NULL) {
2632                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2633                         /* Defer the sending of the answer until there are no losing pairs left. */
2634                         return 0;
2635                 }
2636                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2637         }
2638         sal_call_set_local_media_description(call->op,call->localdesc);
2639         sal_call_accept(call->op);
2640         md=sal_call_get_final_media_description(call->op);
2641         if (md && !sal_media_description_empty(md))
2642                 linphone_core_update_streams (lc,call,md);
2643         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2644         return 0;
2645 }
2646
2647 /**
2648  * @ingroup call_control
2649  * Accept call modifications initiated by other end.
2650  *
2651  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2652  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2653  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2654  * requested by the other party, such as whether a video stream is requested.
2655  *
2656  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2657  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2658  * If params is not NULL, then the update will be accepted according to the parameters passed.
2659  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2660  * (see linphone_call_params_enable_video()).
2661  * @param lc the linphone core object.
2662  * @param call the LinphoneCall object
2663  * @param params a LinphoneCallParams object describing the call parameters to accept.
2664  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2665 **/
2666 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2667 #ifdef VIDEO_ENABLED
2668         bool_t old_has_video = call->params.has_video;
2669 #endif
2670         if (call->state!=LinphoneCallUpdatedByRemote){
2671                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2672                          linphone_call_state_to_string(call->state));
2673                 return -1;
2674         }
2675         if (params==NULL){
2676                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2677         }else
2678                 call->params=*params;
2679
2680         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2681                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2682                 call->params.has_video=FALSE;
2683         }
2684         if (call->current_params.in_conference) {
2685                 ms_warning("Video isn't supported in conference");
2686                 call->params.has_video = FALSE;
2687         }
2688         call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2689         call->camera_active=call->params.has_video;
2690         update_local_media_description(lc,call);
2691         if (call->ice_session != NULL) {
2692                 linphone_core_update_ice_from_remote_media_description(call, sal_call_get_remote_media_description(call->op));
2693 #ifdef VIDEO_ENABLED
2694                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2695                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2696                                 linphone_call_init_video_stream(call);
2697                                 video_stream_prepare_video(call->videostream);
2698                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2699                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2700                                         linphone_call_delete_ice_session(call);
2701                                 } else return 0;
2702                         }
2703                 }
2704 #endif
2705         }
2706         linphone_core_start_accept_call_update(lc, call);
2707         return 0;
2708 }
2709
2710 /**
2711  * Accept an incoming call.
2712  *
2713  * @ingroup call_control
2714  * Basically the application is notified of incoming calls within the
2715  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2716  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2717  * The application can later accept the call using this method.
2718  * @param lc the LinphoneCore object
2719  * @param call the LinphoneCall object representing the call to be answered.
2720  *
2721 **/
2722 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2723         return linphone_core_accept_call_with_params(lc,call,NULL);
2724 }
2725
2726 /**
2727  * Accept an incoming call, with parameters.
2728  *
2729  * @ingroup call_control
2730  * Basically the application is notified of incoming calls within the
2731  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2732  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2733  * The application can later accept the call using
2734  * this method.
2735  * @param lc the LinphoneCore object
2736  * @param call the LinphoneCall object representing the call to be answered.
2737  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2738  *
2739 **/
2740 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2741 {
2742         LinphoneProxyConfig *cfg=NULL;
2743         const char *contact=NULL;
2744         SalOp *replaced;
2745         SalMediaDescription *new_md;
2746         bool_t was_ringing=FALSE;
2747
2748         if (call==NULL){
2749                 //if just one call is present answer the only one ...
2750                 if(linphone_core_get_calls_nb (lc) != 1)
2751                         return -1;
2752                 else
2753                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2754         }
2755
2756         if (call->state==LinphoneCallConnected){
2757                 /*call already accepted*/
2758                 return -1;
2759         }
2760
2761         /* check if this call is supposed to replace an already running one*/
2762         replaced=sal_call_get_replaces(call->op);
2763         if (replaced){
2764                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2765                 if (rc){
2766                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2767                                    call,rc);
2768                         linphone_core_terminate_call(lc,rc);
2769                 }
2770         }
2771
2772         if (lc->current_call!=call){
2773                 linphone_core_preempt_sound_resources(lc);
2774         }
2775
2776         /*stop ringing */
2777         if (lc->ringstream!=NULL) {
2778                 ms_message("stop ringing");
2779                 ring_stop(lc->ringstream);
2780                 ms_message("ring stopped");
2781                 lc->ringstream=NULL;
2782                 was_ringing=TRUE;
2783         }
2784         if (call->ringing_beep){
2785                 linphone_core_stop_dtmf(lc);
2786                 call->ringing_beep=FALSE;
2787         }
2788
2789         linphone_core_get_default_proxy(lc,&cfg);
2790         call->dest_proxy=cfg;
2791         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2792
2793         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2794                 ms_message("Overriding default proxy setting for this call:");
2795                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2796         }
2797         /*try to be best-effort in giving real local or routable contact address*/
2798         contact=get_fixed_contact(lc,call,call->dest_proxy);
2799         if (contact)
2800                 sal_op_set_contact(call->op,contact);
2801
2802         if (params){
2803                 call->params=*params;
2804                 call->params.has_video &= linphone_core_media_description_contains_video_stream(sal_call_get_remote_media_description(call->op));
2805                 call->camera_active=call->params.has_video;
2806                 update_local_media_description(lc,call);
2807                 sal_call_set_local_media_description(call->op,call->localdesc);
2808         }
2809
2810         if (call->audiostream==NULL)
2811                 linphone_call_init_media_streams(call);
2812         if (!was_ringing && call->audiostream->ticker==NULL){
2813                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2814         }
2815
2816         sal_call_accept(call->op);
2817         if (lc->vtable.display_status!=NULL)
2818                 lc->vtable.display_status(lc,_("Connected."));
2819         lc->current_call=call;
2820         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2821         new_md=sal_call_get_final_media_description(call->op);
2822         linphone_core_update_streams(lc, call, new_md);
2823         if (new_md){
2824                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2825         }else call->media_pending=TRUE;
2826
2827         ms_message("call answered.");
2828         return 0;
2829 }
2830
2831 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2832         sal_call_terminate(call->op);
2833
2834         /*stop ringing*/
2835         if (lc->ringstream!=NULL) {
2836                 ring_stop(lc->ringstream);
2837                 lc->ringstream=NULL;
2838         }
2839         linphone_call_stop_media_streams(call);
2840         if (lc->vtable.display_status!=NULL)
2841                 lc->vtable.display_status(lc,_("Call aborted") );
2842         linphone_call_set_state(call,LinphoneCallError,error);
2843         return 0;
2844 }
2845
2846 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2847         if (call->state==LinphoneCallIncomingReceived){
2848                 if (call->reason!=LinphoneReasonNotAnswered)
2849                         call->reason=LinphoneReasonDeclined;
2850         }
2851         /*stop ringing*/
2852         if (lc->ringstream!=NULL) {
2853                 ring_stop(lc->ringstream);
2854                 lc->ringstream=NULL;
2855         }
2856
2857         linphone_call_stop_media_streams(call);
2858         if (lc->vtable.display_status!=NULL)
2859                 lc->vtable.display_status(lc,_("Call ended") );
2860 }
2861
2862 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2863         if (call->state==LinphoneCallIncomingReceived){
2864                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2865                 call->reason=LinphoneReasonDeclined;
2866                 terminate_call(lc,call);
2867                 linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2868         }else{
2869                 ms_error("Bad state for call redirection.");
2870                 return -1;
2871     }
2872         return 0;
2873 }
2874
2875
2876 /**
2877  * Terminates a call.
2878  *
2879  * @ingroup call_control
2880  * @param lc the LinphoneCore
2881  * @param the_call the LinphoneCall object representing the call to be terminated.
2882 **/
2883 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2884 {
2885         LinphoneCall *call;
2886         if (the_call == NULL){
2887                 call = linphone_core_get_current_call(lc);
2888                 if (ms_list_size(lc->calls)==1){
2889                         call=(LinphoneCall*)lc->calls->data;
2890                 }else{
2891                         ms_warning("No unique call to terminate !");
2892                         return -1;
2893                 }
2894         }
2895         else
2896         {
2897                 call = the_call;
2898         }
2899         sal_call_terminate(call->op);
2900         terminate_call(lc,call);
2901
2902         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2903         return 0;
2904 }
2905
2906 /**
2907  * Terminates all the calls.
2908  *
2909  * @ingroup call_control
2910  * @param lc The LinphoneCore
2911 **/
2912 int linphone_core_terminate_all_calls(LinphoneCore *lc){
2913         MSList *calls=lc->calls;
2914         while(calls) {
2915                 LinphoneCall *c=(LinphoneCall*)calls->data;
2916                 calls=calls->next;
2917                 linphone_core_terminate_call(lc,c);
2918         }
2919         return 0;
2920 }
2921
2922 /**
2923  * Returns the current list of calls.
2924  *
2925  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
2926  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
2927  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
2928  *
2929  * @ingroup call_control
2930 **/
2931 const MSList *linphone_core_get_calls(LinphoneCore *lc)
2932 {
2933         return lc->calls;
2934 }
2935
2936 /**
2937  * Returns TRUE if there is a call running.
2938  *
2939  * @ingroup call_control
2940 **/
2941 bool_t linphone_core_in_call(const LinphoneCore *lc){
2942         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
2943 }
2944
2945 /**
2946  * Returns The _LinphoneCall struct of the current call if one is in call
2947  *
2948  * @ingroup call_control
2949 **/
2950 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
2951 {
2952         return lc->current_call;
2953 }
2954
2955 /**
2956  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
2957  * this file will be played to the remote user.
2958  *
2959  * @ingroup call_control
2960 **/
2961 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
2962 {
2963         const char *subject=NULL;
2964
2965         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
2966                 ms_warning("Cannot pause this call, it is not active.");
2967                 return -1;
2968         }
2969         update_local_media_description(lc,call);
2970         if (call->ice_session != NULL)
2971                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2972         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
2973                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2974                 subject="Call on hold";
2975         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
2976                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
2977                 subject="Call on hold for me too";
2978         }else{
2979                 ms_error("No reason to pause this call, it is already paused or inactive.");
2980                 return -1;
2981         }
2982         sal_call_set_local_media_description(call->op,call->localdesc);
2983         if (sal_call_update(call->op,subject) != 0){
2984                 if (lc->vtable.display_warning)
2985                         lc->vtable.display_warning(lc,_("Could not pause the call"));
2986         }
2987         lc->current_call=NULL;
2988         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
2989         if (lc->vtable.display_status)
2990                 lc->vtable.display_status(lc,_("Pausing the current call..."));
2991         if (call->audiostream || call->videostream)
2992                 linphone_call_stop_media_streams (call);
2993         return 0;
2994 }
2995
2996 /**
2997  * Pause all currently running calls.
2998 **/
2999 int linphone_core_pause_all_calls(LinphoneCore *lc){
3000         const MSList *elem;
3001         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3002                 LinphoneCall *call=(LinphoneCall *)elem->data;
3003                 LinphoneCallState cs=linphone_call_get_state(call);
3004                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3005                         linphone_core_pause_call(lc,call);
3006                 }
3007         }
3008         return 0;
3009 }
3010
3011 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3012         LinphoneCall *current_call;
3013         if (linphone_core_is_in_conference(lc)){
3014                 linphone_core_leave_conference(lc);
3015                 return;
3016         }
3017         current_call=linphone_core_get_current_call(lc);
3018         if(current_call != NULL){
3019                 ms_message("Pausing automatically the current call.");
3020                 linphone_core_pause_call(lc,current_call);
3021         }
3022 }
3023
3024 /**
3025  * Resumes the call.
3026  *
3027  * @ingroup call_control
3028 **/
3029 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3030 {
3031         char temp[255]={0};
3032         LinphoneCall *call = the_call;
3033         const char *subject="Call resuming";
3034
3035         if(call->state!=LinphoneCallPaused ){
3036                 ms_warning("we cannot resume a call that has not been established and paused before");
3037                 return -1;
3038         }
3039         if (call->params.in_conference==FALSE){
3040                 linphone_core_preempt_sound_resources(lc);
3041                 ms_message("Resuming call %p",call);
3042         }
3043
3044         /* Stop playing music immediately. If remote side is a conference it
3045          prevents the participants to hear it while the 200OK comes back.*/
3046         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3047
3048         update_local_media_description(lc,the_call);
3049         if (call->ice_session != NULL)
3050                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3051         sal_call_set_local_media_description(call->op,call->localdesc);
3052         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3053         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3054         if(sal_call_update(call->op,subject) != 0){
3055                 return -1;
3056         }
3057         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3058         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3059         if (lc->vtable.display_status)
3060                 lc->vtable.display_status(lc,temp);
3061         return 0;
3062 }
3063
3064 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3065         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3066         return !linphone_address_weak_equal (addr,raddr);
3067 }
3068
3069 /**
3070  * Get the call with the remote_address specified
3071  * @param lc
3072  * @param remote_address
3073  * @return the LinphoneCall of the call if found
3074  */
3075 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3076         LinphoneAddress *raddr=linphone_address_new(remote_address);
3077         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3078         if (elem) return (LinphoneCall*) elem->data;
3079         return NULL;
3080 }
3081
3082 int linphone_core_send_publish(LinphoneCore *lc,
3083                                LinphoneOnlineStatus presence_mode)
3084 {
3085         const MSList *elem;
3086         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3087                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3088                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3089         }
3090         return 0;
3091 }
3092
3093 /**
3094  * Set the incoming call timeout in seconds.
3095  *
3096  * @ingroup call_control
3097  * If an incoming call isn't answered for this timeout period, it is
3098  * automatically declined.
3099 **/
3100 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3101         lc->sip_conf.inc_timeout=seconds;
3102 }
3103
3104 /**
3105  * Returns the incoming call timeout
3106  *
3107  * @ingroup call_control
3108  * See linphone_core_set_inc_timeout() for details.
3109 **/
3110 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3111         return lc->sip_conf.inc_timeout;
3112 }
3113
3114 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3115                                                                                                         const char *contact,
3116                                                                                                         LinphoneOnlineStatus presence_mode)
3117 {
3118         if (minutes_away>0) lc->minutes_away=minutes_away;
3119
3120         if (lc->alt_contact!=NULL) {
3121                 ms_free(lc->alt_contact);
3122                 lc->alt_contact=NULL;
3123         }
3124         if (contact) lc->alt_contact=ms_strdup(contact);
3125         if (lc->presence_mode!=presence_mode){
3126                 linphone_core_notify_all_friends(lc,presence_mode);
3127                 /*
3128                    Improve the use of all LINPHONE_STATUS available.
3129                    !TODO Do not mix "presence status" with "answer status code"..
3130                    Use correct parameter to follow sip_if_match/sip_etag.
3131                  */
3132                 linphone_core_send_publish(lc,presence_mode);
3133         }
3134         lc->presence_mode=presence_mode;
3135 }
3136
3137 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3138         return lc->presence_mode;
3139 }
3140
3141 /**
3142  * Get playback sound level in 0-100 scale.
3143  *
3144  * @ingroup media_parameters
3145 **/
3146 int linphone_core_get_play_level(LinphoneCore *lc)
3147 {
3148         return lc->sound_conf.play_lev;
3149 }
3150
3151 /**
3152  * Get ring sound level in 0-100 scale
3153  *
3154  * @ingroup media_parameters
3155 **/
3156 int linphone_core_get_ring_level(LinphoneCore *lc)
3157 {
3158         return lc->sound_conf.ring_lev;
3159 }
3160
3161 /**
3162  * Get sound capture level in 0-100 scale
3163  *
3164  * @ingroup media_parameters
3165 **/
3166 int linphone_core_get_rec_level(LinphoneCore *lc){
3167         return lc->sound_conf.rec_lev;
3168 }
3169
3170 /**
3171  * Set sound ring level in 0-100 scale
3172  *
3173  * @ingroup media_parameters
3174 **/
3175 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3176         MSSndCard *sndcard;
3177         lc->sound_conf.ring_lev=level;
3178         sndcard=lc->sound_conf.ring_sndcard;
3179         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3180 }
3181
3182 /**
3183  * Allow to control play level before entering sound card:  gain in db
3184  *
3185  * @ingroup media_parameters
3186 **/
3187 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3188         float gain=gaindb;
3189         LinphoneCall *call=linphone_core_get_current_call (lc);
3190         AudioStream *st;
3191
3192         lc->sound_conf.soft_play_lev=gaindb;
3193
3194         if (call==NULL || (st=call->audiostream)==NULL){
3195                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3196                 return;
3197         }
3198         if (st->volrecv){
3199                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3200         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3201 }
3202
3203 /**
3204  * Get playback gain in db before entering  sound card.
3205  *
3206  * @ingroup media_parameters
3207 **/
3208 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3209         return lc->sound_conf.soft_play_lev;
3210 }
3211
3212 /**
3213  * Set sound playback level in 0-100 scale
3214  *
3215  * @ingroup media_parameters
3216 **/
3217 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3218         MSSndCard *sndcard;
3219         lc->sound_conf.play_lev=level;
3220         sndcard=lc->sound_conf.play_sndcard;
3221         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3222 }
3223
3224 /**
3225  * Set sound capture level in 0-100 scale
3226  *
3227  * @ingroup media_parameters
3228 **/
3229 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3230 {
3231         MSSndCard *sndcard;
3232         lc->sound_conf.rec_lev=level;
3233         sndcard=lc->sound_conf.capt_sndcard;
3234         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3235 }
3236
3237 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3238         MSSndCard *sndcard=NULL;
3239         if (devid!=NULL){
3240                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3241                 if (sndcard!=NULL &&
3242                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3243                         ms_warning("%s card does not have the %s capability, ignoring.",
3244                                 devid,
3245                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3246                         sndcard=NULL;
3247                 }
3248         }
3249         if (sndcard==NULL) {
3250                 /* get a card that has read+write capabilities */
3251                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3252                 /* otherwise refine to the first card having the right capability*/
3253                 if (sndcard==NULL){
3254                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3255                         for(;elem!=NULL;elem=elem->next){
3256                                 sndcard=(MSSndCard*)elem->data;
3257                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3258                         }
3259                 }
3260                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3261                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3262                         if (elem) sndcard=(MSSndCard*)elem->data;
3263         }
3264         }
3265         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3266         return sndcard;
3267 }
3268
3269 /**
3270  * Returns true if the specified sound device can capture sound.
3271  *
3272  * @ingroup media_parameters
3273  * @param lc The LinphoneCore object
3274  * @param devid the device name as returned by linphone_core_get_sound_devices()
3275 **/
3276 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3277         MSSndCard *sndcard;
3278         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3279         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3280         return FALSE;
3281 }
3282
3283 /**
3284  * Returns true if the specified sound device can play sound.
3285  *
3286  * @ingroup media_parameters
3287  * @param lc The LinphoneCore object
3288  * @param devid the device name as returned by linphone_core_get_sound_devices()
3289 **/
3290 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3291         MSSndCard *sndcard;
3292         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3293         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3294         return FALSE;
3295 }
3296
3297 /**
3298  * Sets the sound device used for ringing.
3299  *
3300  * @ingroup media_parameters
3301  * @param lc The LinphoneCore object
3302  * @param devid the device name as returned by linphone_core_get_sound_devices()
3303 **/
3304 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3305         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3306         lc->sound_conf.ring_sndcard=card;
3307         if (card && linphone_core_ready(lc))
3308                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3309         return 0;
3310 }
3311
3312 /**
3313  * Sets the sound device used for playback.
3314  *
3315  * @ingroup media_parameters
3316  * @param lc The LinphoneCore object
3317  * @param devid the device name as returned by linphone_core_get_sound_devices()
3318 **/
3319 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3320         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3321         lc->sound_conf.play_sndcard=card;
3322         if (card &&  linphone_core_ready(lc))
3323                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3324         return 0;
3325 }
3326
3327 /**
3328  * Sets the sound device used for capture.
3329  *
3330  * @ingroup media_parameters
3331  * @param lc The LinphoneCore object
3332  * @param devid the device name as returned by linphone_core_get_sound_devices()
3333 **/
3334 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3335         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3336         lc->sound_conf.capt_sndcard=card;
3337         if (card &&  linphone_core_ready(lc))
3338                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3339         return 0;
3340 }
3341
3342 /**
3343  * Returns the name of the currently assigned sound device for ringing.
3344  *
3345  * @ingroup media_parameters
3346  * @param lc The LinphoneCore object
3347 **/
3348 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3349 {
3350         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3351         return NULL;
3352 }
3353
3354 /**
3355  * Returns the name of the currently assigned sound device for playback.
3356  *
3357  * @ingroup media_parameters
3358  * @param lc The LinphoneCore object
3359 **/
3360 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3361 {
3362         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3363 }
3364
3365 /**
3366  * Returns the name of the currently assigned sound device for capture.
3367  *
3368  * @ingroup media_parameters
3369  * @param lc The LinphoneCore object
3370 **/
3371 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3372 {
3373         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3374 }
3375
3376 /**
3377  * Returns an unmodifiable array of available sound devices.
3378  *
3379  * The array is NULL terminated.
3380  *
3381  * @ingroup media_parameters
3382  * @param lc The LinphoneCore object
3383 **/
3384 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3385         return lc->sound_conf.cards;
3386 }
3387
3388 /**
3389  * Returns an unmodifiable array of available video capture devices.
3390  *
3391  * @ingroup media_parameters
3392  * The array is NULL terminated.
3393 **/
3394 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3395         return lc->video_conf.cams;
3396 }
3397
3398 /**
3399  * Update detection of sound devices.
3400  *
3401  * Use this function when the application is notified of USB plug events, so that
3402  * list of available hardwares for sound playback and capture is updated.
3403  **/
3404 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3405         const char *ringer,*playback,*capture;
3406         ringer=linphone_core_get_ringer_device(lc);
3407         playback=linphone_core_get_playback_device(lc);
3408         capture=linphone_core_get_capture_device(lc);
3409         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3410         build_sound_devices_table(lc);
3411         linphone_core_set_ringer_device(lc,ringer);
3412         linphone_core_set_playback_device(lc,playback);
3413         linphone_core_set_capture_device(lc,capture);
3414 }
3415
3416 /**
3417  * Update detection of camera devices.
3418  *
3419  * Use this function when the application is notified of USB plug events, so that
3420  * list of available hardwares for video capture is updated.
3421  **/
3422 void linphone_core_reload_video_devices(LinphoneCore *lc){
3423         const char *devid;
3424         devid=linphone_core_get_video_device(lc);
3425         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3426         build_video_devices_table(lc);
3427         linphone_core_set_video_device(lc,devid);
3428 }
3429
3430 char linphone_core_get_sound_source(LinphoneCore *lc)
3431 {
3432         return lc->sound_conf.source;
3433 }
3434
3435 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3436 {
3437         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3438         lc->sound_conf.source=source;
3439         if (!sndcard) return;
3440         switch(source){
3441                 case 'm':
3442                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3443                         break;
3444                 case 'l':
3445                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3446                         break;
3447         }
3448
3449 }
3450
3451
3452 /**
3453  * Sets the path to a wav file used for ringing.
3454  *
3455  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3456  * @param lc The LinphoneCore object
3457  *
3458  * @ingroup media_parameters
3459 **/
3460 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3461         if (lc->sound_conf.local_ring!=0){
3462                 ms_free(lc->sound_conf.local_ring);
3463                 lc->sound_conf.local_ring=NULL;
3464         }
3465         if (path)
3466                 lc->sound_conf.local_ring=ms_strdup(path);
3467         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3468                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3469 }
3470
3471 /**
3472  * Returns the path to the wav file used for ringing.
3473  *
3474  * @param lc The LinphoneCore object
3475  * @ingroup media_parameters
3476 **/
3477 const char *linphone_core_get_ring(const LinphoneCore *lc){
3478         return lc->sound_conf.local_ring;
3479 }
3480
3481 /**
3482  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3483  *
3484  * @param path
3485  * @param lc The LinphoneCore object
3486  *
3487  * @ingroup media_parameters
3488 **/
3489 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3490         sal_set_root_ca(lc->sal, path);
3491 }
3492
3493 /**
3494  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3495 **/
3496 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3497         sal_verify_server_certificates(lc->sal,yesno);
3498 }
3499
3500 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3501         LinphoneCore *lc=(LinphoneCore*)ud;
3502         lc->preview_finished=1;
3503 }
3504
3505 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3506 {
3507         if (lc->ringstream!=0){
3508                 ms_warning("Cannot start ring now,there's already a ring being played");
3509                 return -1;
3510         }
3511         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3512         lc->preview_finished=0;
3513         if (lc->sound_conf.ring_sndcard!=NULL){
3514                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3515                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3516         }
3517         return 0;
3518 }
3519
3520 /**
3521  * Sets the path to a wav file used for ringing back.
3522  *
3523  * Ringback means the ring that is heard when it's ringing at the remote party.
3524  * The file must be a wav 16bit linear.
3525  *
3526  * @ingroup media_parameters
3527 **/
3528 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3529         if (lc->sound_conf.remote_ring!=0){
3530                 ms_free(lc->sound_conf.remote_ring);
3531         }
3532         lc->sound_conf.remote_ring=ms_strdup(path);
3533 }
3534
3535 /**
3536  * Returns the path to the wav file used for ringing back.
3537  *
3538  * @ingroup media_parameters
3539 **/
3540 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3541         return lc->sound_conf.remote_ring;
3542 }
3543
3544 /**
3545  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3546  *
3547  * @ingroup media_parameters
3548 **/
3549 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3550         lc->sound_conf.ec=val;
3551         if ( linphone_core_ready(lc))
3552                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3553 }
3554
3555
3556 /**
3557  * Returns TRUE if echo cancellation is enabled.
3558  *
3559  * @ingroup media_parameters
3560 **/
3561 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3562         return lc->sound_conf.ec;
3563 }
3564
3565 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3566         lc->sound_conf.ea=val;
3567 }
3568
3569 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3570         return lc->sound_conf.ea;
3571 }
3572
3573 /**
3574  * Mutes or unmutes the local microphone.
3575  *
3576  * @ingroup media_parameters
3577 **/
3578 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3579         LinphoneCall *call=linphone_core_get_current_call(lc);
3580         AudioStream *st=NULL;
3581         if (linphone_core_is_in_conference(lc)){
3582                 lc->conf_ctx.local_muted=val;
3583                 st=lc->conf_ctx.local_participant;
3584         }else if (call==NULL){
3585                 ms_warning("linphone_core_mute_mic(): No current call !");
3586                 return;
3587         }else{
3588                 st=call->audiostream;
3589                 call->audio_muted=val;
3590         }
3591         if (st!=NULL){
3592                 audio_stream_set_mic_gain(st,
3593                         (val==TRUE) ? 0 : lp_config_get_float(lc->config,"sound","mic_gain",1));
3594                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3595                         audio_stream_mute_rtp(st,val);
3596                 }
3597
3598         }
3599 }
3600 /**
3601  * Returns whether microphone is muted.
3602 **/
3603 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3604         LinphoneCall *call=linphone_core_get_current_call(lc);
3605         if (linphone_core_is_in_conference(lc)){
3606                 return lc->conf_ctx.local_muted;
3607         }else if (call==NULL){
3608                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3609                 return FALSE;
3610         }
3611         return call->audio_muted;
3612 }
3613
3614 // returns rtp transmission status for an active stream
3615 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3616 // was set on then rtp transmission is also muted
3617 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3618         LinphoneCall *call=linphone_core_get_current_call(lc);
3619         if (call==NULL){
3620                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3621                 return FALSE;
3622         }
3623         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3624                 return call->audio_muted;
3625         }
3626         return FALSE;
3627 }
3628
3629 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3630         lc->sound_conf.agc=val;
3631 }
3632
3633 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3634         return lc->sound_conf.agc;
3635 }
3636
3637 /**
3638  * Send the specified dtmf.
3639  *
3640  * @ingroup media_parameters
3641  * This function only works during calls. The dtmf is automatically played to the user.
3642  * @param lc The LinphoneCore object
3643  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3644  *
3645 **/
3646 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3647 {
3648         LinphoneCall *call=linphone_core_get_current_call(lc);
3649         if (call==NULL){
3650                 ms_warning("linphone_core_send_dtmf(): no active call");
3651                 return;
3652         }
3653         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3654         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3655         {
3656                 /* In Band DTMF */
3657                 if (call->audiostream!=NULL){
3658                         audio_stream_send_dtmf(call->audiostream,dtmf);
3659                 }
3660                 else
3661                 {
3662                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3663                 }
3664         }
3665         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3666                 /* Out of Band DTMF (use INFO method) */
3667                 sal_call_send_dtmf(call->op,dtmf);
3668         }
3669 }
3670
3671 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3672         if (lc->net_conf.stun_server!=NULL)
3673                 ms_free(lc->net_conf.stun_server);
3674         if (server)
3675                 lc->net_conf.stun_server=ms_strdup(server);
3676         else lc->net_conf.stun_server=NULL;
3677         if (linphone_core_ready(lc))
3678                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3679 }
3680
3681 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3682         return lc->net_conf.stun_server;
3683 }
3684
3685 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3686         return lc->net_conf.relay;
3687 }
3688
3689 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3690         if (lc->net_conf.relay!=NULL){
3691                 ms_free(lc->net_conf.relay);
3692                 lc->net_conf.relay=NULL;
3693         }
3694         if (addr){
3695                 lc->net_conf.relay=ms_strdup(addr);
3696         }
3697         return 0;
3698 }
3699
3700 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3701 {
3702         if (lc->net_conf.nat_address!=NULL){
3703                 ms_free(lc->net_conf.nat_address);
3704         }
3705         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3706         else lc->net_conf.nat_address=NULL;
3707         if (lc->sip_conf.contact) update_primary_contact(lc);
3708 }
3709
3710 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3711         return lc->net_conf.nat_address;
3712 }
3713
3714 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3715 {
3716         struct sockaddr_storage ss;
3717         socklen_t ss_len;
3718         int error;
3719         char ipstring [INET6_ADDRSTRLEN];
3720
3721         if (lc->net_conf.nat_address==NULL) return NULL;
3722
3723         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3724                 return lc->net_conf.nat_address;
3725         }
3726
3727         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3728                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3729         if (error) {
3730                 return lc->net_conf.nat_address;
3731         }
3732
3733         if (lc->net_conf.nat_address_ip!=NULL){
3734                 ms_free(lc->net_conf.nat_address_ip);
3735         }
3736         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3737         return lc->net_conf.nat_address_ip;
3738 }
3739
3740 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3741         lc->net_conf.firewall_policy=pol;
3742         if (lc->sip_conf.contact) update_primary_contact(lc);
3743         if (linphone_core_ready(lc))
3744                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3745 }
3746
3747 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3748         return lc->net_conf.firewall_policy;
3749 }
3750
3751 /**
3752  * Get the list of call logs (past calls).
3753  *
3754  * @ingroup call_logs
3755 **/
3756 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3757         return lc->call_logs;
3758 }
3759
3760 /**
3761  * Erase the call log.
3762  *
3763  * @ingroup call_logs
3764 **/
3765 void linphone_core_clear_call_logs(LinphoneCore *lc){
3766         lc->missed_calls=0;
3767         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3768         lc->call_logs=ms_list_free(lc->call_logs);
3769         call_logs_write_to_config_file(lc);
3770 }
3771
3772 /**
3773  * Returns number of missed calls.
3774  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3775 **/
3776 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3777         return lc->missed_calls;
3778 }
3779
3780 /**
3781  * Resets the counter of missed calls.
3782 **/
3783 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3784         lc->missed_calls=0;
3785 }
3786
3787 /**
3788  * Remove a specific call log from call history list.
3789  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3790  * @param lc the linphone core object
3791  * @param a LinphoneCallLog object.
3792 **/
3793 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3794         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3795         call_logs_write_to_config_file(lc);
3796         linphone_call_log_destroy(cl);
3797 }
3798
3799 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
3800 #ifdef VIDEO_ENABLED
3801         if (val){
3802                 if (lc->previewstream==NULL){
3803                         lc->previewstream=video_preview_new();
3804                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
3805                         if (lc->video_conf.displaytype)
3806                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
3807                         if (lc->preview_window_id!=0)
3808                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
3809                         video_preview_start(lc->previewstream,lc->video_conf.device);
3810                 }
3811         }else{
3812                 if (lc->previewstream!=NULL){
3813                         video_preview_stop(lc->previewstream);
3814                         lc->previewstream=NULL;
3815                 }
3816         }
3817 #endif
3818 }
3819
3820 /**
3821  * Enables video globally.
3822  *
3823  * @ingroup media_parameters
3824  * This function does not have any effect during calls. It just indicates LinphoneCore to
3825  * initiate future calls with video or not. The two boolean parameters indicate in which
3826  * direction video is enabled. Setting both to false disables video entirely.
3827  *
3828  * @param lc The LinphoneCore object
3829  * @param vcap_enabled indicates whether video capture is enabled
3830  * @param display_enabled indicates whether video display should be shown
3831  *
3832 **/
3833 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
3834 #ifndef VIDEO_ENABLED
3835         if (vcap_enabled || display_enabled)
3836                 ms_warning("This version of linphone was built without video support.");
3837 #endif
3838         lc->video_conf.capture=vcap_enabled;
3839         lc->video_conf.display=display_enabled;
3840
3841         /* need to re-apply network bandwidth settings*/
3842         linphone_core_set_download_bandwidth(lc,
3843                 linphone_core_get_download_bandwidth(lc));
3844         linphone_core_set_upload_bandwidth(lc,
3845                 linphone_core_get_upload_bandwidth(lc));
3846 }
3847
3848 bool_t linphone_core_video_supported(LinphoneCore *lc){
3849 #ifdef VIDEO_ENABLED
3850         return TRUE;
3851 #else
3852         return FALSE;
3853 #endif
3854 }
3855
3856 /**
3857  * Returns TRUE if video is enabled, FALSE otherwise.
3858  * @ingroup media_parameters
3859 **/
3860 bool_t linphone_core_video_enabled(LinphoneCore *lc){
3861         return (lc->video_conf.display || lc->video_conf.capture);
3862 }
3863
3864 /**
3865  * Sets the default policy for video.
3866  * This policy defines whether:
3867  * - video shall be initiated by default for outgoing calls
3868  * - video shall be accepter by default for incoming calls
3869  * @ingroup media_parameters
3870 **/
3871 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
3872         lc->video_policy=*policy;
3873         if (linphone_core_ready(lc)){
3874                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
3875                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
3876         }
3877 }
3878
3879 /**
3880  * Get the default policy for video.
3881  * See linphone_core_set_video_policy() for more details.
3882  * @ingroup media_parameters
3883 **/
3884 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
3885         return &lc->video_policy;
3886 }
3887
3888 /**
3889  * Controls video preview enablement.
3890  *
3891  * @ingroup media_parameters
3892  * Video preview refers to the action of displaying the local webcam image
3893  * to the user while not in call.
3894 **/
3895 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
3896         lc->video_conf.show_local=val;
3897         if (linphone_core_ready(lc))
3898                 lp_config_set_int(lc->config,"video","show_local",val);
3899 }
3900
3901 /**
3902  * Returns TRUE if video previewing is enabled.
3903  * @ingroup media_parameters
3904 **/
3905 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
3906         return lc->video_conf.show_local;
3907 }
3908
3909 /**
3910  * Enables or disable self view during calls.
3911  *
3912  * @ingroup media_parameters
3913  * Self-view refers to having local webcam image inserted in corner
3914  * of the video window during calls.
3915  * This function works at any time, including during calls.
3916 **/
3917 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
3918 #ifdef VIDEO_ENABLED
3919         LinphoneCall *call=linphone_core_get_current_call (lc);
3920         lc->video_conf.selfview=val;
3921         if (call && call->videostream){
3922                 video_stream_enable_self_view(call->videostream,val);
3923         }
3924         if (linphone_core_ready(lc)){
3925                 lp_config_set_int(lc->config,"video","self_view",val);
3926         }
3927 #endif
3928 }
3929
3930 /**
3931  * Returns TRUE if self-view is enabled, FALSE otherwise.
3932  *
3933  * @ingroup media_parameters
3934  *
3935  * Refer to linphone_core_enable_self_view() for details.
3936 **/
3937 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
3938         return lc->video_conf.selfview;
3939 }
3940
3941 /**
3942  * Sets the active video device.
3943  *
3944  * @ingroup media_parameters
3945  * @param lc The LinphoneCore object
3946  * @param id the name of the video device as returned by linphone_core_get_video_devices()
3947 **/
3948 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
3949         MSWebCam *olddev=lc->video_conf.device;
3950         const char *vd;
3951         if (id!=NULL){
3952                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
3953                 if (lc->video_conf.device==NULL){
3954                         ms_warning("Could not found video device %s",id);
3955                 }
3956         }
3957         if (lc->video_conf.device==NULL)
3958                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
3959         if (olddev!=NULL && olddev!=lc->video_conf.device){
3960                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
3961         }
3962         if ( linphone_core_ready(lc) && lc->video_conf.device){
3963                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
3964                 if (vd && strstr(vd,"Static picture")!=NULL){
3965                         vd=NULL;
3966                 }
3967                 lp_config_set_string(lc->config,"video","device",vd);
3968         }
3969         return 0;
3970 }
3971
3972 /**
3973  * Returns the name of the currently active video device.
3974  *
3975  * @param lc The LinphoneCore object
3976  * @ingroup media_parameters
3977 **/
3978 const char *linphone_core_get_video_device(const LinphoneCore *lc){
3979         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
3980         return NULL;
3981 }
3982
3983 #ifdef VIDEO_ENABLED
3984 static VideoStream * get_active_video_stream(LinphoneCore *lc){
3985         VideoStream *vs = NULL;
3986         LinphoneCall *call=linphone_core_get_current_call (lc);
3987         /* Select the video stream from the call in the first place */
3988         if (call && call->videostream) {
3989                 vs = call->videostream;
3990         }
3991         /* If not in call, select the video stream from the preview */
3992         if (vs == NULL && lc->previewstream) {
3993                 vs = lc->previewstream;
3994         }
3995         return vs;
3996 }
3997 #endif
3998
3999 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4000 #ifdef VIDEO_ENABLED
4001         VideoStream *vs=get_active_video_stream(lc);
4002         /* If we have a video stream (either preview, either from call), we
4003                  have a source and it is using the static picture filter, then
4004                  force the filter to use that picture. */
4005         if (vs && vs->source) {
4006                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4007                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4008                                                                                                                 (void *)path);
4009                 }
4010         }
4011         /* Tell the static image filter to use that image from now on so
4012                  that the image will be used next time it has to be read */
4013         ms_static_image_set_default_image(path);
4014 #else
4015         ms_warning("Video support not compiled.");
4016 #endif
4017         return 0;
4018 }
4019
4020 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4021 #ifdef VIDEO_ENABLED
4022         VideoStream *vs = NULL;
4023
4024         vs=get_active_video_stream(lc);
4025
4026         /* If we have a video stream (either preview, either from call), we
4027                  have a source and it is using the static picture filter, then
4028                  force the filter to use that picture. */
4029         if (vs && vs->source) {
4030                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4031                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4032                 }
4033         }
4034 #else
4035         ms_warning("Video support not compiled.");
4036 #endif
4037         return 0;
4038 }
4039
4040 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4041 #ifdef VIDEO_ENABLED
4042         VideoStream *vs = NULL;
4043         vs=get_active_video_stream(lc);
4044         /* If we have a video stream (either preview, either from call), we
4045                  have a source and it is using the static picture filter, then
4046                  force the filter to use that picture. */
4047         if (vs && vs->source) {
4048                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4049
4050                         float fps;
4051
4052                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4053                         return fps;
4054                 }
4055         }
4056 #else
4057         ms_warning("Video support not compiled.");
4058 #endif
4059         return 0;
4060 }
4061
4062 /**
4063  * Returns the native window handle of the video window, casted as an unsigned long.
4064  *
4065  * @ingroup media_parameters
4066 **/
4067 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4068 #ifdef VIDEO_ENABLED
4069         LinphoneCall *call=linphone_core_get_current_call (lc);
4070         if (call && call->videostream)
4071                 return video_stream_get_native_window_id(call->videostream);
4072         if (lc->previewstream)
4073                 return video_stream_get_native_window_id(lc->previewstream);
4074 #endif
4075         return lc->video_window_id;
4076 }
4077
4078 /**@ingroup media_parameters
4079  * Set the native video window id where the video is to be displayed.
4080  * If not set the core will create its own window.
4081 **/
4082 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4083 #ifdef VIDEO_ENABLED
4084         LinphoneCall *call=linphone_core_get_current_call(lc);
4085         lc->video_window_id=id;
4086         if (call!=NULL && call->videostream){
4087                 video_stream_set_native_window_id(call->videostream,id);
4088         }
4089 #endif
4090 }
4091
4092 /**
4093  * Returns the native window handle of the video preview window, casted as an unsigned long.
4094  *
4095  * @ingroup media_parameters
4096 **/
4097 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4098 #ifdef VIDEO_ENABLED
4099         LinphoneCall *call=linphone_core_get_current_call (lc);
4100         if (call && call->videostream)
4101                 return video_stream_get_native_preview_window_id(call->videostream);
4102         if (lc->previewstream)
4103                 return video_preview_get_native_window_id(lc->previewstream);
4104 #endif
4105         return lc->preview_window_id;
4106 }
4107
4108 /**
4109  * @ingroup media_parameters
4110  * Set the native window id where the preview video (local camera) is to be displayed.
4111  * This has to be used in conjonction with linphone_core_use_preview_window().
4112  * If not set the core will create its own window.
4113 **/
4114 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4115         lc->preview_window_id=id;
4116 #ifdef VIDEO_ENABLED
4117         LinphoneCall *call=linphone_core_get_current_call(lc);
4118         if (call!=NULL && call->videostream){
4119                 video_stream_set_native_preview_window_id(call->videostream,id);
4120         }else if (lc->previewstream){
4121                 video_preview_set_native_window_id(lc->previewstream,id);
4122         }
4123 #endif
4124 }
4125
4126 /**
4127  * Can be used to disable video showing to free XV port
4128 **/
4129 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4130 #ifdef VIDEO_ENABLED
4131         ms_error("linphone_core_show_video %d", show);
4132         LinphoneCall *call=linphone_core_get_current_call(lc);
4133         if (call!=NULL && call->videostream){
4134                 video_stream_show_video(call->videostream,show);
4135         }
4136 #endif
4137 }
4138
4139 /**
4140  * Tells the core to use a separate window for local camera preview video, instead of
4141  * inserting local view within the remote video window.
4142  *
4143 **/
4144 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4145         lc->use_preview_window=yesno;
4146 }
4147 /**
4148  * @ingroup media_parameters
4149  *returns current device orientation
4150  */
4151 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4152         return lc->device_rotation;
4153 }
4154 /**
4155  * @ingroup media_parameters
4156  * Tells the core the device current orientation. This can be used by capture filters
4157  * on mobile devices to select between portrait/landscape mode and to produce properly
4158  * oriented images. The exact meaning of the value in rotation if left to each device
4159  * specific implementations.
4160  *@param lc  object.
4161  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4162  *
4163 **/
4164 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4165 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4166         lc->device_rotation = rotation;
4167 #ifdef VIDEO_ENABLED
4168         LinphoneCall *call=linphone_core_get_current_call(lc);
4169         if (call!=NULL && call->videostream){
4170                 video_stream_set_device_rotation(call->videostream,rotation);
4171         }
4172 #endif
4173 }
4174
4175 static MSVideoSizeDef supported_resolutions[]={
4176 #ifdef ENABLE_HD
4177         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4178         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4179 #endif
4180         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4181         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4182         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4183         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4184         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4185         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4186         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4187         {       {0,0}                   ,       NULL    }
4188 };
4189
4190 /**
4191  * Returns the zero terminated table of supported video resolutions.
4192  *
4193  * @ingroup media_parameters
4194 **/
4195 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4196         return supported_resolutions;
4197 }
4198
4199 static MSVideoSize video_size_get_by_name(const char *name){
4200         MSVideoSizeDef *pdef=supported_resolutions;
4201         MSVideoSize null_vsize={0,0};
4202         for(;pdef->name!=NULL;pdef++){
4203                 if (strcasecmp(name,pdef->name)==0){
4204                         return pdef->vsize;
4205                 }
4206         }
4207         ms_warning("Video resolution %s is not supported in linphone.",name);
4208         return null_vsize;
4209 }
4210
4211 static const char *video_size_get_name(MSVideoSize vsize){
4212         MSVideoSizeDef *pdef=supported_resolutions;
4213         for(;pdef->name!=NULL;pdef++){
4214                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4215                         return pdef->name;
4216                 }
4217         }
4218         return NULL;
4219 }
4220
4221 static bool_t video_size_supported(MSVideoSize vsize){
4222         if (video_size_get_name(vsize)) return TRUE;
4223         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4224         return FALSE;
4225 }
4226
4227 /**
4228  * Sets the preferred video size.
4229  *
4230  * @ingroup media_parameters
4231  * This applies only to the stream that is captured and sent to the remote party,
4232  * since we accept all standard video size on the receive path.
4233 **/
4234 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4235         if (video_size_supported(vsize)){
4236                 MSVideoSize oldvsize=lc->video_conf.vsize;
4237                 lc->video_conf.vsize=vsize;
4238                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4239                         toggle_video_preview(lc,FALSE);
4240                         toggle_video_preview(lc,TRUE);
4241                 }
4242                 if ( linphone_core_ready(lc))
4243                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4244         }
4245 }
4246
4247 /**
4248  * Sets the preferred video size by its name.
4249  *
4250  * @ingroup media_parameters
4251  * This is identical to linphone_core_set_preferred_video_size() except
4252  * that it takes the name of the video resolution as input.
4253  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4254 **/
4255 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4256         MSVideoSize vsize=video_size_get_by_name(name);
4257         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4258         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4259         else linphone_core_set_preferred_video_size(lc,default_vsize);
4260 }
4261
4262 /**
4263  * Returns the current preferred video size for sending.
4264  *
4265  * @ingroup media_parameters
4266 **/
4267 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4268         return lc->video_conf.vsize;
4269 }
4270
4271 /**
4272  * Ask the core to stream audio from and to files, instead of using the soundcard.
4273 **/
4274 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4275         lc->use_files=yesno;
4276 }
4277
4278 /**
4279  * Sets a wav file to be played when putting somebody on hold,
4280  * or when files are used instead of soundcards (see linphone_core_use_files()).
4281  *
4282  * The file must be a 16 bit linear wav file.
4283 **/
4284 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4285         LinphoneCall *call=linphone_core_get_current_call(lc);
4286         if (lc->play_file!=NULL){
4287                 ms_free(lc->play_file);
4288                 lc->play_file=NULL;
4289         }
4290         if (file!=NULL) {
4291                 lc->play_file=ms_strdup(file);
4292                 if (call && call->audiostream && call->audiostream->ticker)
4293                         audio_stream_play(call->audiostream,file);
4294         }
4295 }
4296
4297
4298 /**
4299  * Sets a wav file where incoming stream is to be recorded,
4300  * when files are used instead of soundcards (see linphone_core_use_files()).
4301  *
4302  * The file must be a 16 bit linear wav file.
4303 **/
4304 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4305         LinphoneCall *call=linphone_core_get_current_call(lc);
4306         if (lc->rec_file!=NULL){
4307                 ms_free(lc->rec_file);
4308                 lc->rec_file=NULL;
4309         }
4310         if (file!=NULL) {
4311                 lc->rec_file=ms_strdup(file);
4312                 if (call && call->audiostream)
4313                         audio_stream_record(call->audiostream,file);
4314         }
4315 }
4316
4317
4318 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4319         LinphoneCall *call=linphone_core_get_current_call (lc);
4320         AudioStream *stream=NULL;
4321         if (call){
4322                 stream=call->audiostream;
4323         }else if (linphone_core_is_in_conference(lc)){
4324                 stream=lc->conf_ctx.local_participant;
4325         }
4326         if (stream){
4327                 return stream->dtmfgen;
4328         }
4329         if (lc->ringstream==NULL){
4330                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4331                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4332                 if (ringcard == NULL)
4333                         return NULL;
4334
4335                 lc->ringstream=ring_start(NULL,0,ringcard);
4336                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4337                 lc->dmfs_playing_start_time=time(NULL);
4338         }else{
4339                 if (lc->dmfs_playing_start_time!=0)
4340                         lc->dmfs_playing_start_time=time(NULL);
4341         }
4342         return lc->ringstream->gendtmf;
4343 }
4344
4345 /**
4346  * @ingroup media_parameters
4347  * Plays a dtmf sound to the local user.
4348  * @param lc #LinphoneCore
4349  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4350  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4351 **/
4352 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4353         MSFilter *f=get_dtmf_gen(lc);
4354         if (f==NULL){
4355                 ms_error("No dtmf generator at this time !");
4356                 return;
4357         }
4358
4359         if (duration_ms>0)
4360                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4361         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4362 }
4363
4364 /**
4365  * @ingroup media_parameters
4366  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4367  * @param lc #LinphoneCore
4368 **/
4369 void linphone_core_play_tone(LinphoneCore *lc){
4370         MSFilter *f=get_dtmf_gen(lc);
4371         MSDtmfGenCustomTone def;
4372         if (f==NULL){
4373                 ms_error("No dtmf generator at this time !");
4374                 return;
4375         }
4376         def.duration=300;
4377         def.frequency=500;
4378         def.amplitude=1;
4379         def.interval=2000;
4380         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4381 }
4382
4383 /**
4384  * @ingroup media_parameters
4385  *
4386  * Stops playing a dtmf started by linphone_core_play_dtmf().
4387 **/
4388 void linphone_core_stop_dtmf(LinphoneCore *lc){
4389         MSFilter *f=get_dtmf_gen(lc);
4390         if (f!=NULL)
4391                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4392 }
4393
4394
4395
4396 /**
4397  * Retrieves the user pointer that was given to linphone_core_new()
4398  *
4399  * @ingroup initializing
4400 **/
4401 void *linphone_core_get_user_data(LinphoneCore *lc){
4402         return lc->data;
4403 }
4404
4405 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4406         lc->data=userdata;
4407 }
4408
4409 int linphone_core_get_mtu(const LinphoneCore *lc){
4410         return lc->net_conf.mtu;
4411 }
4412
4413 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4414         lc->net_conf.mtu=mtu;
4415         if (mtu>0){
4416                 if (mtu<500){
4417                         ms_error("MTU too small !");
4418                         mtu=500;
4419                 }
4420                 ms_set_mtu(mtu);
4421                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4422         }else ms_set_mtu(0);//use mediastreamer2 default value
4423 }
4424
4425 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4426         lc->wait_cb=cb;
4427         lc->wait_ctx=user_context;
4428 }
4429
4430 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4431         if (lc->wait_cb){
4432                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4433         }
4434 }
4435
4436 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4437         if (lc->wait_cb){
4438                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4439         }else{
4440 #ifdef WIN32
4441                 Sleep(50000);
4442 #else
4443                 usleep(50000);
4444 #endif
4445         }
4446 }
4447
4448 void linphone_core_stop_waiting(LinphoneCore *lc){
4449         if (lc->wait_cb){
4450                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4451         }
4452 }
4453
4454 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4455         lc->rtptf=factories;
4456 }
4457
4458 /**
4459  * Retrieve RTP statistics regarding current call.
4460  * @param local RTP statistics computed locally.
4461  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4462  *
4463  * @note Remote RTP statistics is not implemented yet.
4464  *
4465  * @returns 0 or -1 if no call is running.
4466 **/
4467
4468 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4469         LinphoneCall *call=linphone_core_get_current_call (lc);
4470         if (call!=NULL){
4471                 if (call->audiostream!=NULL){
4472                         memset(remote,0,sizeof(*remote));
4473                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4474                         return 0;
4475                 }
4476         }
4477         return -1;
4478 }
4479
4480 void net_config_uninit(LinphoneCore *lc)
4481 {
4482         net_config_t *config=&lc->net_conf;
4483
4484         if (config->stun_server!=NULL){
4485                 ms_free(lc->net_conf.stun_server);
4486         }
4487         if (config->nat_address!=NULL){
4488                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4489                 ms_free(lc->net_conf.nat_address);
4490         }
4491         if (lc->net_conf.nat_address_ip !=NULL){
4492                 ms_free(lc->net_conf.nat_address_ip);
4493         }
4494         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4495 }
4496
4497
4498 void sip_config_uninit(LinphoneCore *lc)
4499 {
4500         MSList *elem;
4501         int i;
4502         sip_config_t *config=&lc->sip_conf;
4503
4504         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4505         lp_config_set_string(lc->config,"sip","contact",config->contact);
4506         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4507         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4508         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4509         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4510         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4511
4512
4513
4514
4515         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4516                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4517                 linphone_proxy_config_edit(cfg);        /* to unregister */
4518         }
4519
4520         for (i=0;i<20;i++){
4521                 sal_iterate(lc->sal);
4522 #ifndef WIN32
4523                 usleep(100000);
4524 #else
4525                 Sleep(100);
4526 #endif
4527         }
4528
4529         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4530         ms_list_free(config->proxies);
4531         config->proxies=NULL;
4532
4533         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4534
4535         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4536         ms_list_free(lc->auth_info);
4537         lc->auth_info=NULL;
4538
4539         sal_uninit(lc->sal);
4540         lc->sal=NULL;
4541
4542         if (lc->sip_conf.guessed_contact)
4543                 ms_free(lc->sip_conf.guessed_contact);
4544         if (config->contact)
4545                 ms_free(config->contact);
4546
4547 }
4548
4549 void rtp_config_uninit(LinphoneCore *lc)
4550 {
4551         rtp_config_t *config=&lc->rtp_conf;
4552         lp_config_set_int(lc->config,"rtp","audio_rtp_port",config->audio_rtp_port);
4553         lp_config_set_int(lc->config,"rtp","video_rtp_port",config->video_rtp_port);
4554         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4555         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4556         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4557         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4558         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4559 }
4560
4561 static void sound_config_uninit(LinphoneCore *lc)
4562 {
4563         sound_config_t *config=&lc->sound_conf;
4564         ms_free(config->cards);
4565
4566         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4567
4568         if (config->local_ring) ms_free(config->local_ring);
4569         if (config->remote_ring) ms_free(config->remote_ring);
4570         ms_snd_card_manager_destroy();
4571 }
4572
4573 static void video_config_uninit(LinphoneCore *lc)
4574 {
4575         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4576         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4577         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4578         if (lc->video_conf.cams)
4579                 ms_free(lc->video_conf.cams);
4580 }
4581
4582 void _linphone_core_codec_config_write(LinphoneCore *lc){
4583         if (linphone_core_ready(lc)){
4584                 PayloadType *pt;
4585                 codecs_config_t *config=&lc->codecs_conf;
4586                 MSList *node;
4587                 char key[50];
4588                 int index;
4589                 index=0;
4590                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4591                         pt=(PayloadType*)(node->data);
4592                         sprintf(key,"audio_codec_%i",index);
4593                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4594                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4595                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4596                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4597                         index++;
4598                 }
4599                 sprintf(key,"audio_codec_%i",index);
4600                 lp_config_clean_section (lc->config,key);
4601
4602                 index=0;
4603                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4604                         pt=(PayloadType*)(node->data);
4605                         sprintf(key,"video_codec_%i",index);
4606                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4607                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4608                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4609                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4610                         index++;
4611                 }
4612                 sprintf(key,"video_codec_%i",index);
4613                 lp_config_clean_section (lc->config,key);
4614         }
4615 }
4616
4617 static void codecs_config_uninit(LinphoneCore *lc)
4618 {
4619         _linphone_core_codec_config_write(lc);
4620         ms_list_free(lc->codecs_conf.audio_codecs);
4621         ms_list_free(lc->codecs_conf.video_codecs);
4622 }
4623
4624 void ui_config_uninit(LinphoneCore* lc)
4625 {
4626         if (lc->friends){
4627                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4628                 ms_list_free(lc->friends);
4629                 lc->friends=NULL;
4630         }
4631 }
4632
4633 /**
4634  * Returns the LpConfig object used to manage the storage (config) file.
4635  *
4636  * @ingroup misc
4637  * The application can use the LpConfig object to insert its own private
4638  * sections and pairs of key=value in the configuration file.
4639  *
4640 **/
4641 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4642         return lc->config;
4643 }
4644
4645 static void linphone_core_uninit(LinphoneCore *lc)
4646 {
4647         linphone_core_free_hooks(lc);
4648         while(lc->calls)
4649         {
4650                 LinphoneCall *the_call = lc->calls->data;
4651                 linphone_core_terminate_call(lc,the_call);
4652                 linphone_core_iterate(lc);
4653 #ifdef WIN32
4654                 Sleep(50000);
4655 #else
4656                 usleep(50000);
4657 #endif
4658         }
4659         if (lc->friends)
4660                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4661         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4662 #ifdef VIDEO_ENABLED
4663         if (lc->previewstream!=NULL){
4664                 video_preview_stop(lc->previewstream);
4665                 lc->previewstream=NULL;
4666         }
4667 #endif
4668         ms_event_queue_destroy(lc->msevq);
4669         lc->msevq=NULL;
4670         /* save all config */
4671         net_config_uninit(lc);
4672         rtp_config_uninit(lc);
4673         if (lc->ringstream) ring_stop(lc->ringstream);
4674         sound_config_uninit(lc);
4675         video_config_uninit(lc);
4676         codecs_config_uninit(lc);
4677         ui_config_uninit(lc);
4678         sip_config_uninit(lc);
4679         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4680         lp_config_destroy(lc->config);
4681         lc->config = NULL; /* Mark the config as NULL to block further calls */
4682         sip_setup_unregister_all();
4683
4684         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4685         lc->call_logs=ms_list_free(lc->call_logs);
4686
4687         linphone_core_free_payload_types(lc);
4688         ortp_exit();
4689         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4690 #ifdef TUNNEL_ENABLED
4691         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4692 #endif
4693 }
4694
4695 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4696         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4697         // second get the list of available proxies
4698         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4699         for(;elem!=NULL;elem=elem->next){
4700                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4701                 if (linphone_proxy_config_register_enabled(cfg) ) {
4702                         if (!isReachable) {
4703                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4704                         }else{
4705                                 cfg->commit=TRUE;
4706                         }
4707                 }
4708         }
4709         lc->netup_time=curtime;
4710         lc->network_reachable=isReachable;
4711         if(!isReachable) {
4712                 sal_reset_transports(lc->sal);
4713         }
4714 }
4715
4716 void linphone_core_refresh_registers(LinphoneCore* lc) {
4717         const MSList *elem;
4718         if (!lc->network_reachable) {
4719                 ms_warning("Refresh register operation not available (network unreachable)");
4720                 return;
4721         }
4722         elem=linphone_core_get_proxy_config_list(lc);
4723         for(;elem!=NULL;elem=elem->next){
4724                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4725                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4726                         linphone_proxy_config_refresh_register(cfg);
4727                 }
4728         }
4729 }
4730
4731 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4732         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4733         for(;elem!=NULL;elem=elem->next){
4734                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4735                 if (linphone_proxy_config_register_enabled(cfg)) {
4736                         linphone_proxy_config_edit(cfg);
4737                         linphone_proxy_config_done(cfg);
4738                 }
4739         }
4740 }
4741
4742 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4743         //first disable automatic mode
4744         if (lc->auto_net_state_mon) {
4745                 ms_message("Disabling automatic network state monitoring");
4746                 lc->auto_net_state_mon=FALSE;
4747         }
4748         set_network_reachable(lc,isReachable, ms_time(NULL));
4749 }
4750
4751 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4752         return lc->network_reachable;
4753 }
4754 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4755         return sal_get_socket(lc->sal);
4756 }
4757 /**
4758  * Destroys a LinphoneCore
4759  *
4760  * @ingroup initializing
4761 **/
4762 void linphone_core_destroy(LinphoneCore *lc){
4763         linphone_core_uninit(lc);
4764         ms_free(lc);
4765 }
4766 /**
4767  * Get the number of Call
4768  *
4769  * @ingroup call_control
4770 **/
4771 int linphone_core_get_calls_nb(const LinphoneCore *lc){
4772         return  ms_list_size(lc->calls);;
4773 }
4774
4775 /**
4776  * Check if we do not have exceed the number of simultaneous call
4777  *
4778  * @ingroup call_control
4779 **/
4780 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
4781 {
4782         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
4783                 return TRUE;
4784         ms_message("Maximum amount of simultaneous calls reached !");
4785         return FALSE;
4786 }
4787
4788
4789 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
4790 {
4791         if(linphone_core_can_we_add_call(lc))
4792         {
4793                 lc->calls = ms_list_append(lc->calls,call);
4794                 return 0;
4795         }
4796         return -1;
4797 }
4798
4799 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
4800 {
4801         MSList *it;
4802         MSList *the_calls = lc->calls;
4803
4804         it=ms_list_find(the_calls,call);
4805         if (it)
4806         {
4807                 the_calls = ms_list_remove_link(the_calls,it);
4808         }
4809         else
4810         {
4811                 ms_warning("could not find the call into the list\n");
4812                 return -1;
4813         }
4814         lc->calls = the_calls;
4815         return 0;
4816 }
4817
4818 /**
4819  * Specifiies a ring back tone to be played to far end during incoming calls.
4820 **/
4821 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
4822         if (lc->sound_conf.ringback_tone){
4823                 ms_free(lc->sound_conf.ringback_tone);
4824                 lc->sound_conf.ringback_tone=NULL;
4825         }
4826         if (file)
4827                 lc->sound_conf.ringback_tone=ms_strdup(file);
4828 }
4829
4830 /**
4831  * Returns the ring back tone played to far end during incoming calls.
4832 **/
4833 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
4834         return lc->sound_conf.ringback_tone;
4835 }
4836
4837 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
4838         const MSList *elem;
4839         for(elem=from;elem!=NULL;elem=elem->next){
4840                 PayloadType *pt=(PayloadType*)elem->data;
4841                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
4842                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
4843                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
4844                         return pt;
4845                 }
4846         }
4847         return NULL;
4848 }
4849
4850
4851 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
4852         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
4853         if (result)  {
4854                 return result;
4855         } else {
4856                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
4857                 if (result) {
4858                         return result;
4859                 }
4860         }
4861         /*not found*/
4862         return NULL;
4863 }
4864
4865 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
4866         switch(gs){
4867                 case LinphoneGlobalOff:
4868                         return "LinphoneGlobalOff";
4869                 break;
4870                 case LinphoneGlobalOn:
4871                         return "LinphoneGlobalOn";
4872                 break;
4873                 case LinphoneGlobalStartup:
4874                         return "LinphoneGlobalStartup";
4875                 break;
4876                 case LinphoneGlobalShutdown:
4877                         return "LinphoneGlobalShutdown";
4878                 break;
4879         }
4880         return NULL;
4881 }
4882
4883 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
4884         return lc->state;
4885 }
4886
4887 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
4888         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
4889         linphone_core_init_default_params(lc, p);
4890         return p;
4891 }
4892
4893 const char *linphone_reason_to_string(LinphoneReason err){
4894         switch(err){
4895                 case LinphoneReasonNone:
4896                         return "No error";
4897                 case LinphoneReasonNoResponse:
4898                         return "No response";
4899                 case LinphoneReasonBadCredentials:
4900                         return "Bad credentials";
4901                 case LinphoneReasonDeclined:
4902                         return "Call declined";
4903                 case LinphoneReasonNotFound:
4904                         return "User not found";
4905                 case LinphoneReasonNotAnswered:
4906                         return "Not answered";
4907         }
4908         return "unknown error";
4909 }
4910
4911 const char *linphone_error_to_string(LinphoneReason err){
4912         return linphone_reason_to_string(err);
4913 }
4914 /**
4915  * Enables signaling keep alive
4916  */
4917 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
4918         if (enable > 0) {
4919                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
4920         } else {
4921                 sal_set_keepalive_period(lc->sal,0);
4922         }
4923 }
4924 /**
4925  * Is signaling keep alive enabled
4926  */
4927 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
4928         return sal_get_keepalive_period(lc->sal) > 0;
4929 }
4930
4931 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
4932         get_dtmf_gen(lc); /*make sure ring stream is started*/
4933         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
4934 }
4935
4936 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
4937         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
4938                 ring_stop(lc->ringstream);
4939                 lc->ringstream=NULL;
4940         }
4941 }
4942
4943 int linphone_core_get_max_calls(LinphoneCore *lc) {
4944         return lc->max_calls;
4945 }
4946 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
4947         lc->max_calls=max;
4948 }
4949
4950 typedef struct Hook{
4951         LinphoneCoreIterateHook fun;
4952         void *data;
4953 }Hook;
4954
4955 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
4956         Hook *h=ms_new(Hook,1);
4957         h->fun=hook;
4958         h->data=hook_data;
4959         return h;
4960 }
4961
4962 static void hook_invoke(Hook *h){
4963         h->fun(h->data);
4964 }
4965
4966 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4967         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
4968 }
4969
4970 static void linphone_core_run_hooks(LinphoneCore *lc){
4971         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
4972 }
4973
4974 static void linphone_core_free_hooks(LinphoneCore *lc){
4975         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
4976         ms_list_free(lc->hooks);
4977         lc->hooks=NULL;
4978 }
4979
4980 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
4981         MSList *elem;
4982         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
4983                 Hook *h=(Hook*)elem->data;
4984                 if (h->fun==hook && h->data==hook_data){
4985                         ms_list_remove_link(lc->hooks,elem);
4986                         ms_free(h);
4987                         return;
4988                 }
4989         }
4990         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
4991 }
4992
4993 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
4994         if (lc->zrtp_secrets_cache != NULL) {
4995                 ms_free(lc->zrtp_secrets_cache);
4996         }
4997         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
4998 }
4999
5000 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5001         if (uri == NULL) return NULL;
5002         MSList *calls=lc->calls;
5003         while(calls) {
5004                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5005                 calls=calls->next;
5006                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5007                 char *current_uri=linphone_address_as_string_uri_only(address);
5008                 if (strcmp(uri,current_uri)==0) {
5009                         ms_free(current_uri);
5010                         return c;
5011                 } else {
5012                         ms_free(current_uri);
5013                 }
5014         }
5015         return NULL;
5016 }
5017
5018
5019 /**
5020  * Check if a call will need the sound resources.
5021  *
5022  * @ingroup call_control
5023  * @param lc The LinphoneCore
5024 **/
5025 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5026         MSList *calls=lc->calls;
5027         while(calls) {
5028                 LinphoneCall *c=(LinphoneCall*)calls->data;
5029                 calls=calls->next;
5030                 switch (c->state) {
5031                         case LinphoneCallOutgoingInit:
5032                         case LinphoneCallOutgoingProgress:
5033                         case LinphoneCallOutgoingRinging:
5034                         case LinphoneCallOutgoingEarlyMedia:
5035                         case LinphoneCallConnected:
5036                         case LinphoneCallRefered:
5037                         case LinphoneCallIncomingEarlyMedia:
5038                         case LinphoneCallUpdated:
5039                                 return TRUE;
5040                         default:
5041                                 break;
5042                 }
5043         }
5044         return FALSE;
5045 }
5046
5047 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5048         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5049 }
5050
5051 /**
5052  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5053 **/
5054 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5055         switch(menc){
5056                 case LinphoneMediaEncryptionSRTP:
5057                         return ortp_srtp_supported();
5058                 case LinphoneMediaEncryptionZRTP:
5059                         return ortp_zrtp_available();
5060                 case LinphoneMediaEncryptionNone:
5061                         return TRUE;
5062         }
5063         return FALSE;
5064 }
5065
5066 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5067         const char *type="none";
5068         int ret=0;
5069         if (menc == LinphoneMediaEncryptionSRTP){
5070                 if (!ortp_srtp_supported()){
5071                         ms_warning("SRTP not supported by library.");
5072                         type="none";
5073                         ret=-1;
5074                 }else type="srtp";
5075         }else if (menc == LinphoneMediaEncryptionZRTP){
5076                 if (!ortp_zrtp_available()){
5077                         ms_warning("ZRTP not supported by library.");
5078                         type="none";
5079                         ret=-1;
5080                 }else type="zrtp";
5081         }
5082         lp_config_set_string(lc->config,"sip","media_encryption",type);
5083         return ret;
5084 }
5085
5086 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5087         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5088
5089         if (menc == NULL)
5090                 return LinphoneMediaEncryptionNone;
5091         else if (strcmp(menc, "srtp")==0)
5092                 return LinphoneMediaEncryptionSRTP;
5093         else if (strcmp(menc, "zrtp")==0)
5094                 return LinphoneMediaEncryptionZRTP;
5095         else
5096                 return LinphoneMediaEncryptionNone;
5097 }
5098
5099 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5100         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5101 }
5102
5103 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5104         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5105 }
5106
5107 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5108         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5109         params->media_encryption=linphone_core_get_media_encryption(lc);
5110         params->in_conference=FALSE;
5111 }
5112
5113 void linphone_call_zoom_video(LinphoneCall* call, float zoom_factor, float* cx, float* cy) {
5114         VideoStream* vstream = call->videostream;
5115         if (vstream) {
5116                 float zoom[3];
5117
5118                 if (zoom_factor < 1)
5119                         zoom_factor = 1;
5120                 float halfsize = 0.5 * 1.0 / zoom_factor;
5121
5122                 if ((*cx - halfsize) < 0)
5123                         *cx = 0 + halfsize;
5124                 if ((*cx + halfsize) > 1)
5125                         *cx = 1 - halfsize;
5126                 if ((*cy - halfsize) < 0)
5127                         *cy = 0 + halfsize;
5128                 if ((*cy + halfsize) > 1)
5129                         *cy = 1 - halfsize;
5130
5131                 zoom[0] = zoom_factor;
5132                 zoom[1] = *cx;
5133                 zoom[2] = *cy;
5134                 ms_filter_call_method(vstream->output, MS_VIDEO_DISPLAY_ZOOM, &zoom);
5135         }else ms_warning("Could not apply zoom: video output wasn't activated.");
5136 }
5137
5138 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5139         if (lc->device_id) ms_free(lc->device_id);
5140         lc->device_id=ms_strdup(device_id);
5141 }
5142 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5143         return lc->device_id;
5144 }
5145
5146 /**
5147  * Set the DSCP field for SIP signaling channel.
5148  *
5149  * @ingroup network_parameters
5150  * * The DSCP defines the quality of service in IP packets.
5151  *
5152 **/
5153 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5154         sal_set_dscp(lc->sal,dscp);
5155         if (linphone_core_ready(lc))
5156                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5157 }
5158
5159 /**
5160  * Get the DSCP field for SIP signaling channel.
5161  *
5162  * @ingroup network_parameters
5163  * * The DSCP defines the quality of service in IP packets.
5164  *
5165 **/
5166 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5167         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5168 }
5169
5170 /**
5171  * Set the DSCP field for outgoing audio streams.
5172  *
5173  * @ingroup network_parameters
5174  * The DSCP defines the quality of service in IP packets.
5175  *
5176 **/
5177 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5178         if (linphone_core_ready(lc))
5179                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5180 }
5181
5182 /**
5183  * Get the DSCP field for outgoing audio streams.
5184  *
5185  * @ingroup network_parameters
5186  * The DSCP defines the quality of service in IP packets.
5187  *
5188 **/
5189 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5190         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5191 }
5192
5193 /**
5194  * Set the DSCP field for outgoing video streams.
5195  *
5196  * @ingroup network_parameters
5197  * The DSCP defines the quality of service in IP packets.
5198  *
5199 **/
5200 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5201         if (linphone_core_ready(lc))
5202                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5203
5204 }
5205
5206 /**
5207  * Get the DSCP field for outgoing video streams.
5208  *
5209  * @ingroup network_parameters
5210  * The DSCP defines the quality of service in IP packets.
5211  *
5212 **/
5213 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5214         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5215 }