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 <math.h>
  28 #include <ortp/telephonyevents.h>
  29 #include <ortp/zrtp.h>
  30 #include "mediastreamer2/mediastream.h"
  31 #include "mediastreamer2/mseventqueue.h"
  32 #include "mediastreamer2/msvolume.h"
  33 #include "mediastreamer2/msequalizer.h"
  34 #include "mediastreamer2/dtmfgen.h"
  35
  36 #ifdef INET6
  37 #ifndef WIN32
  38 #include <netdb.h>
  39 #endif
  40 #endif
  41
  42 #ifdef HAVE_CONFIG_H
  43 #include "config.h"
  44 #include "liblinphone_gitversion.h"
  45 #else
  46 #ifndef LIBLINPHONE_GIT_VERSION
  47 #define LIBLINPHONE_GIT_VERSION "unknown"
  48 #endif
  49 #endif
  50
  51
  52 /*#define UNSTANDART_GSM_11K 1*/
  53
  54 #define ROOT_CA_FILE PACKAGE_DATA_DIR "/linphone/rootca.pem"
  55
  56 static const char *liblinphone_version=
  57 #ifdef LIBLINPHONE_GIT_VERSION
  58         LIBLINPHONE_GIT_VERSION
  59 #else
  60         LIBLINPHONE_VERSION
  61 #endif
  62 ;
  63 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime);
  64 static void linphone_core_run_hooks(LinphoneCore *lc);
  65 static void linphone_core_free_hooks(LinphoneCore *lc);
  66
  67 #include "enum.h"
  68 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc);
  69 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result);
  70 static void toggle_video_preview(LinphoneCore *lc, bool_t val);
  71
  72 /* relative path where is stored local ring*/
  73 #define LOCAL_RING "rings/oldphone.wav"
  74 /* same for remote ring (ringback)*/
  75 #define REMOTE_RING "ringback.wav"
  76 #define HOLD_MUSIC "rings/toy-mono.wav"
  77
  78
  79 extern SalCallbacks linphone_sal_callbacks;
  80
  81 void lc_callback_obj_init(LCCallbackObj *obj,LinphoneCoreCbFunc func,void* ud)
  82 {
  83   obj->_func=func;
  84   obj->_user_data=ud;
  85 }
  86
  87 int lc_callback_obj_invoke(LCCallbackObj *obj, LinphoneCore *lc){
  88         if (obj->_func!=NULL) obj->_func(lc,obj->_user_data);
  89         return 0;
  90 }
  91
  92
  93 /*prevent a gcc bug with %c*/
  94 static size_t my_strftime(char *s, size_t max, const char  *fmt,  const struct tm *tm){
  95 #if !defined(_WIN32_WCE)
  96         return strftime(s, max, fmt, tm);
  97 #else
  98         return 0;
  99         /*FIXME*/
 100 #endif /*_WIN32_WCE*/
 101 }
 102
 103 static void set_call_log_date(LinphoneCallLog *cl, time_t start_time){
 104         struct tm loctime;
 105 #ifdef WIN32
 106 #if !defined(_WIN32_WCE)
 107         loctime=*localtime(&start_time);
 108         /*FIXME*/
 109 #endif /*_WIN32_WCE*/
 110 #else
 111         localtime_r(&start_time,&loctime);
 112 #endif
 113         my_strftime(cl->start_date,sizeof(cl->start_date),"%c",&loctime);
 114 }
 115
 116 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *from, LinphoneAddress *to){
 117         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 118         cl->dir=call->dir;
 119         cl->start_date_time=call->start_time;
 120         set_call_log_date(cl,cl->start_date_time);
 121         cl->from=from;
 122         cl->to=to;
 123     cl->status=LinphoneCallAborted; /*default status*/
 124         return cl;
 125 }
 126
 127 void call_logs_write_to_config_file(LinphoneCore *lc){
 128         MSList *elem;
 129         char logsection[32];
 130         int i;
 131         char *tmp;
 132         LpConfig *cfg=lc->config;
 133
 134         if (linphone_core_get_global_state (lc)==LinphoneGlobalStartup) return;
 135
 136         for(i=0,elem=lc->call_logs;elem!=NULL;elem=elem->next,++i){
 137                 LinphoneCallLog *cl=(LinphoneCallLog*)elem->data;
 138                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 139                 lp_config_clean_section(cfg,logsection);
 140                 lp_config_set_int(cfg,logsection,"dir",cl->dir);
 141                 lp_config_set_int(cfg,logsection,"status",cl->status);
 142                 tmp=linphone_address_as_string(cl->from);
 143                 lp_config_set_string(cfg,logsection,"from",tmp);
 144                 ms_free(tmp);
 145                 tmp=linphone_address_as_string(cl->to);
 146                 lp_config_set_string(cfg,logsection,"to",tmp);
 147                 ms_free(tmp);
 148                 if (cl->start_date_time)
 149                         lp_config_set_int64(cfg,logsection,"start_date_time",(int64_t)cl->start_date_time);
 150                 else lp_config_set_string(cfg,logsection,"start_date",cl->start_date);
 151                 lp_config_set_int(cfg,logsection,"duration",cl->duration);
 152                 if (cl->refkey) lp_config_set_string(cfg,logsection,"refkey",cl->refkey);
 153                 lp_config_set_float(cfg,logsection,"quality",cl->quality);
 154                 lp_config_set_int(cfg,logsection,"video_enabled", cl->video_enabled);
 155                 lp_config_set_string(cfg,logsection,"call_id",cl->call_id);
 156         }
 157         for(;i<lc->max_call_logs;++i){
 158                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 159                 lp_config_clean_section(cfg,logsection);
 160         }
 161 }
 162
 163 static time_t string_to_time(const char *date){
 164 #ifndef WIN32
 165         struct tm tmtime={0};
 166         strptime(date,"%c",&tmtime);
 167         return mktime(&tmtime);
 168 #else
 169         return 0;
 170 #endif
 171 }
 172
 173 static void call_logs_read_from_config_file(LinphoneCore *lc){
 174         char logsection[32];
 175         int i;
 176         const char *tmp;
 177         uint64_t sec;
 178         LpConfig *cfg=lc->config;
 179         for(i=0;;++i){
 180                 snprintf(logsection,sizeof(logsection),"call_log_%i",i);
 181                 if (lp_config_has_section(cfg,logsection)){
 182                         LinphoneCallLog *cl=ms_new0(LinphoneCallLog,1);
 183                         cl->dir=lp_config_get_int(cfg,logsection,"dir",0);
 184                         cl->status=lp_config_get_int(cfg,logsection,"status",0);
 185                         tmp=lp_config_get_string(cfg,logsection,"from",NULL);
 186                         if (tmp) cl->from=linphone_address_new(tmp);
 187                         tmp=lp_config_get_string(cfg,logsection,"to",NULL);
 188                         if (tmp) cl->to=linphone_address_new(tmp);
 189                         sec=lp_config_get_int64(cfg,logsection,"start_date_time",0);
 190                         if (sec) {
 191                                 /*new call log format with date expressed in seconds */
 192                                 cl->start_date_time=(time_t)sec;
 193                                 set_call_log_date(cl,cl->start_date_time);
 194                         }else{
 195                                 tmp=lp_config_get_string(cfg,logsection,"start_date",NULL);
 196                                 if (tmp) {
 197                                         strncpy(cl->start_date,tmp,sizeof(cl->start_date));
 198                                         cl->start_date_time=string_to_time(cl->start_date);
 199                                 }
 200                         }
 201                         cl->duration=lp_config_get_int(cfg,logsection,"duration",0);
 202                         tmp=lp_config_get_string(cfg,logsection,"refkey",NULL);
 203                         if (tmp) cl->refkey=ms_strdup(tmp);
 204                         cl->quality=lp_config_get_float(cfg,logsection,"quality",-1);
 205                         cl->video_enabled=lp_config_get_int(cfg,logsection,"video_enabled",0);
 206                         cl->call_id=lp_config_get_string(cfg,logsection,"call_id",NULL);
 207                         if(cl->call_id) cl->call_id=ms_strdup(cl->call_id);
 208                         lc->call_logs=ms_list_append(lc->call_logs,cl);
 209                 }else break;
 210         }
 211 }
 212
 213
 214
 215 /**
 216  * @addtogroup call_logs
 217  * @{
 218 **/
 219
 220 /**
 221  * Returns a human readable string describing the call.
 222  *
 223  * @note: the returned char* must be freed by the application (use ms_free()).
 224 **/
 225 char * linphone_call_log_to_str(LinphoneCallLog *cl){
 226         char *status;
 227         char *tmp;
 228         char *from=linphone_address_as_string (cl->from);
 229         char *to=linphone_address_as_string (cl->to);
 230         switch(cl->status){
 231                 case LinphoneCallAborted:
 232                         status=_("aborted");
 233                         break;
 234                 case LinphoneCallSuccess:
 235                         status=_("completed");
 236                         break;
 237                 case LinphoneCallMissed:
 238                         status=_("missed");
 239                         break;
 240                 default:
 241                         status="unknown";
 242         }
 243         tmp=ortp_strdup_printf(_("%s at %s\nFrom: %s\nTo: %s\nStatus: %s\nDuration: %i mn %i sec\n"),
 244                         (cl->dir==LinphoneCallIncoming) ? _("Incoming call") : _("Outgoing call"),
 245                         cl->start_date,
 246                         from,
 247                         to,
 248                         status,
 249                         cl->duration/60,
 250                         cl->duration%60);
 251         ms_free(from);
 252         ms_free(to);
 253         return tmp;
 254 }
 255
 256 /**
 257  * Returns RTP statistics computed locally regarding the call.
 258  *
 259 **/
 260 const rtp_stats_t *linphone_call_log_get_local_stats(const LinphoneCallLog *cl){
 261         return &cl->local_stats;
 262 }
 263
 264 /**
 265  * Returns RTP statistics computed by remote end and sent back via RTCP.
 266  *
 267  * @note Not implemented yet.
 268 **/
 269 const rtp_stats_t *linphone_call_log_get_remote_stats(const LinphoneCallLog *cl){
 270         return &cl->remote_stats;
 271 }
 272
 273 void linphone_call_log_set_user_pointer(LinphoneCallLog *cl, void *up){
 274         cl->user_pointer=up;
 275 }
 276
 277 void *linphone_call_log_get_user_pointer(const LinphoneCallLog *cl){
 278         return cl->user_pointer;
 279 }
 280
 281
 282
 283 /**
 284  * Associate a persistent reference key to the call log.
 285  *
 286  * The reference key can be for example an id to an external database.
 287  * It is stored in the config file, thus can survive to process exits/restarts.
 288  *
 289 **/
 290 void linphone_call_log_set_ref_key(LinphoneCallLog *cl, const char *refkey){
 291         if (cl->refkey!=NULL){
 292                 ms_free(cl->refkey);
 293                 cl->refkey=NULL;
 294         }
 295         if (refkey) cl->refkey=ms_strdup(refkey);
 296 }
 297
 298 /**
 299  * Get the persistent reference key associated to the call log.
 300  *
 301  * The reference key can be for example an id to an external database.
 302  * It is stored in the config file, thus can survive to process exits/restarts.
 303  *
 304 **/
 305 const char *linphone_call_log_get_ref_key(const LinphoneCallLog *cl){
 306         return cl->refkey;
 307 }
 308
 309 /** @} */
 310
 311 void linphone_call_log_destroy(LinphoneCallLog *cl){
 312         if (cl->from!=NULL) linphone_address_destroy(cl->from);
 313         if (cl->to!=NULL) linphone_address_destroy(cl->to);
 314         if (cl->refkey!=NULL) ms_free(cl->refkey);
 315         if (cl->call_id) ms_free((void*)cl->call_id);
 316         ms_free(cl);
 317 }
 318
 319 /**
 320  * Returns TRUE if the LinphoneCall asked to autoanswer
 321  *
 322 **/
 323 bool_t linphone_call_asked_to_autoanswer(LinphoneCall *call){
 324         //return TRUE if the unique(for the moment) incoming call asked to be autoanswered
 325         if(call)
 326                 return sal_call_autoanswer_asked(call->op);
 327         else
 328                 return FALSE;
 329 }
 330
 331 int linphone_core_get_current_call_duration(const LinphoneCore *lc){
 332         LinphoneCall *call=linphone_core_get_current_call((LinphoneCore *)lc);
 333         if (call)  return linphone_call_get_duration(call);
 334         return -1;
 335 }
 336
 337 const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _LinphoneCore *lc){
 338         LinphoneCall *call=linphone_core_get_current_call(lc);
 339         if (call==NULL) return NULL;
 340         return linphone_call_get_remote_address(call);
 341 }
 342
 343 /**
 344  * Enable logs in supplied FILE*.
 345  *
 346  * @ingroup misc
 347  *
 348  * @param file a C FILE* where to fprintf logs. If null stdout is used.
 349  *
 350 **/
 351 void linphone_core_enable_logs(FILE *file){
 352         if (file==NULL) file=stdout;
 353         ortp_set_log_file(file);
 354         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 355 }
 356
 357 /**
 358  * Enable logs through the user's supplied log callback.
 359  *
 360  * @ingroup misc
 361  *
 362  * @param logfunc The address of a OrtpLogFunc callback whose protoype is
 363  *                typedef void (*OrtpLogFunc)(OrtpLogLevel lev, const char *fmt, va_list args);
 364  *
 365 **/
 366 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 367         ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
 368         ortp_set_log_handler(logfunc);
 369 }
 370
 371 /**
 372  * Entirely disable logging.
 373  *
 374  * @ingroup misc
 375 **/
 376 void linphone_core_disable_logs(){
 377         ortp_set_log_level_mask(ORTP_ERROR|ORTP_FATAL);
 378 }
 379
 380
 381 static void net_config_read (LinphoneCore *lc)
 382 {
 383         int tmp;
 384         const char *tmpstr;
 385         LpConfig *config=lc->config;
 386
 387         lc->net_conf.nat_address_ip = NULL;
 388         tmp=lp_config_get_int(config,"net","download_bw",0);
 389         linphone_core_set_download_bandwidth(lc,tmp);
 390         tmp=lp_config_get_int(config,"net","upload_bw",0);
 391         linphone_core_set_upload_bandwidth(lc,tmp);
 392         linphone_core_set_stun_server(lc,lp_config_get_string(config,"net","stun_server",NULL));
 393         tmpstr=lp_config_get_string(lc->config,"net","nat_address",NULL);
 394         if (tmpstr!=NULL && (strlen(tmpstr)<1)) tmpstr=NULL;
 395         linphone_core_set_nat_address(lc,tmpstr);
 396         tmp=lp_config_get_int(lc->config,"net","firewall_policy",0);
 397         linphone_core_set_firewall_policy(lc,tmp);
 398         tmp=lp_config_get_int(lc->config,"net","nat_sdp_only",0);
 399         lc->net_conf.nat_sdp_only=tmp;
 400         tmp=lp_config_get_int(lc->config,"net","mtu",0);
 401         linphone_core_set_mtu(lc,tmp);
 402         tmp=lp_config_get_int(lc->config,"net","download_ptime",0);
 403         linphone_core_set_download_ptime(lc,tmp);
 404
 405 }
 406
 407 static void build_sound_devices_table(LinphoneCore *lc){
 408         const char **devices;
 409         const char **old;
 410         int ndev;
 411         int i;
 412         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
 413         ndev=ms_list_size(elem);
 414         devices=ms_malloc((ndev+1)*sizeof(const char *));
 415         for (i=0;elem!=NULL;elem=elem->next,i++){
 416                 devices[i]=ms_snd_card_get_string_id((MSSndCard *)elem->data);
 417         }
 418         devices[ndev]=NULL;
 419         old=lc->sound_conf.cards;
 420         lc->sound_conf.cards=devices;
 421         if (old!=NULL) ms_free(old);
 422 }
 423
 424 static void sound_config_read(LinphoneCore *lc)
 425 {
 426         int tmp;
 427         const char *tmpbuf;
 428         const char *devid;
 429 #ifdef __linux
 430         /*alsadev let the user use custom alsa device within linphone*/
 431         devid=lp_config_get_string(lc->config,"sound","alsadev",NULL);
 432         if (devid){
 433                 MSSndCard *card=ms_alsa_card_new_custom(devid,devid);
 434                 ms_snd_card_manager_add_card(ms_snd_card_manager_get(),card);
 435         }
 436         tmp=lp_config_get_int(lc->config,"sound","alsa_forced_rate",-1);
 437         if (tmp>0) ms_alsa_card_set_forced_sample_rate(tmp);
 438 #endif
 439         /* retrieve all sound devices */
 440         build_sound_devices_table(lc);
 441
 442         devid=lp_config_get_string(lc->config,"sound","playback_dev_id",NULL);
 443         linphone_core_set_playback_device(lc,devid);
 444
 445         devid=lp_config_get_string(lc->config,"sound","ringer_dev_id",NULL);
 446         linphone_core_set_ringer_device(lc,devid);
 447
 448         devid=lp_config_get_string(lc->config,"sound","capture_dev_id",NULL);
 449         linphone_core_set_capture_device(lc,devid);
 450
 451 /*
 452         tmp=lp_config_get_int(lc->config,"sound","play_lev",80);
 453         linphone_core_set_play_level(lc,tmp);
 454         tmp=lp_config_get_int(lc->config,"sound","ring_lev",80);
 455         linphone_core_set_ring_level(lc,tmp);
 456         tmp=lp_config_get_int(lc->config,"sound","rec_lev",80);
 457         linphone_core_set_rec_level(lc,tmp);
 458         tmpbuf=lp_config_get_string(lc->config,"sound","source","m");
 459         linphone_core_set_sound_source(lc,tmpbuf[0]);
 460 */
 461
 462         tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 463         tmpbuf=lp_config_get_string(lc->config,"sound","local_ring",tmpbuf);
 464         if (ortp_file_exist(tmpbuf)==-1) {
 465                 ms_warning("%s does not exist",tmpbuf);
 466                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 467         }
 468         if (strstr(tmpbuf,".wav")==NULL){
 469                 /* it currently uses old sound files, so replace them */
 470                 tmpbuf=PACKAGE_SOUND_DIR "/" LOCAL_RING;
 471         }
 472         linphone_core_set_ring(lc,tmpbuf);
 473
 474         tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 475         tmpbuf=lp_config_get_string(lc->config,"sound","remote_ring",tmpbuf);
 476         if (ortp_file_exist(tmpbuf)==-1){
 477                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 478         }
 479         if (strstr(tmpbuf,".wav")==NULL){
 480                 /* it currently uses old sound files, so replace them */
 481                 tmpbuf=PACKAGE_SOUND_DIR "/" REMOTE_RING;
 482         }
 483         linphone_core_set_ringback(lc,tmpbuf);
 484
 485         linphone_core_set_play_file(lc,lp_config_get_string(lc->config,"sound","hold_music",PACKAGE_SOUND_DIR "/" HOLD_MUSIC));
 486         check_sound_device(lc);
 487         lc->sound_conf.latency=0;
 488 #ifndef __ios
 489     tmp=TRUE;
 490 #else
 491     tmp=FALSE; /* on iOS we have builtin echo cancellation.*/
 492 #endif
 493     tmp=lp_config_get_int(lc->config,"sound","echocancellation",tmp);
 494         linphone_core_enable_echo_cancellation(lc,tmp);
 495         linphone_core_enable_echo_limiter(lc,
 496                 lp_config_get_int(lc->config,"sound","echolimiter",0));
 497         linphone_core_enable_agc(lc,
 498                 lp_config_get_int(lc->config,"sound","agc",0));
 499
 500         linphone_core_set_playback_gain_db (lc,lp_config_get_float(lc->config,"sound","playback_gain_db",0));
 501         linphone_core_set_mic_gain_db (lc,lp_config_get_float(lc->config,"sound","mic_gain_db",0));
 502
 503         linphone_core_set_remote_ringback_tone (lc,lp_config_get_string(lc->config,"sound","ringback_tone",NULL));
 504
 505         /*just parse requested stream feature once at start to print out eventual errors*/
 506         linphone_core_get_audio_features(lc);
 507 }
 508
 509 static void sip_config_read(LinphoneCore *lc)
 510 {
 511         char *contact;
 512         const char *tmpstr;
 513         LCSipTransports tr;
 514         int i,tmp;
 515         int ipv6;
 516         int random_port;
 517
 518         tmp=lp_config_get_int(lc->config,"sip","use_info",0);
 519         linphone_core_set_use_info_for_dtmf(lc,tmp);
 520
 521         if (lp_config_get_int(lc->config,"sip","use_session_timers",0)==1){
 522                 sal_use_session_timers(lc->sal,200);
 523         }
 524
 525         sal_use_rport(lc->sal,lp_config_get_int(lc->config,"sip","use_rport",1));
 526         sal_use_101(lc->sal,lp_config_get_int(lc->config,"sip","use_101",1));
 527         sal_reuse_authorization(lc->sal, lp_config_get_int(lc->config,"sip","reuse_authorization",0));
 528         sal_expire_old_registration_contacts(lc->sal,lp_config_get_int(lc->config,"sip","expire_old_registration_contacts",0));
 529
 530         tmp=lp_config_get_int(lc->config,"sip","use_rfc2833",1);
 531         linphone_core_set_use_rfc2833_for_dtmf(lc,tmp);
 532
 533         ipv6=lp_config_get_int(lc->config,"sip","use_ipv6",-1);
 534         if (ipv6==-1){
 535                 ipv6=0;
 536         }
 537         linphone_core_enable_ipv6(lc,ipv6);
 538         memset(&tr,0,sizeof(tr));
 539
 540         tr.udp_port=lp_config_get_int(lc->config,"sip","sip_port",0);
 541         tr.tcp_port=lp_config_get_int(lc->config,"sip","sip_tcp_port",0);
 542         tr.tls_port=lp_config_get_int(lc->config,"sip","sip_tls_port",0);
 543
 544         if (lp_config_get_int(lc->config,"sip","sip_random_port",0)==1)
 545                 random_port=(0xDFFF&random())+1024;
 546         else random_port=0;
 547
 548         if (tr.udp_port==0 && tr.tcp_port==0 && tr.tls_port==0){
 549                 tr.udp_port=5060;
 550         }
 551
 552         if (tr.udp_port>0 && random_port){
 553                 tr.udp_port=random_port;
 554                 tr.tls_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 555         }else if (tr.tcp_port>0 && random_port){
 556                 tr.tcp_port=random_port;
 557                 tr.tls_port=tr.udp_port=0; /*make sure only one transport is active at a time*/
 558         }else if (tr.tls_port>0 && random_port){
 559                 tr.tls_port=random_port;
 560                 tr.udp_port=tr.tcp_port=0; /*make sure only one transport is active at a time*/
 561         }
 562
 563 #ifdef __linux
 564         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", "/etc/ssl/certs"));
 565 #else
 566         sal_set_root_ca(lc->sal, lp_config_get_string(lc->config,"sip","root_ca", ROOT_CA_FILE));
 567 #endif
 568         linphone_core_verify_server_certificates(lc,lp_config_get_int(lc->config,"sip","verify_server_certs",TRUE));
 569         /*setting the dscp must be done before starting the transports, otherwise it is not taken into effect*/
 570         sal_set_dscp(lc->sal,linphone_core_get_sip_dscp(lc));
 571         /*start listening on ports*/
 572         linphone_core_set_sip_transports(lc,&tr);
 573
 574         tmpstr=lp_config_get_string(lc->config,"sip","contact",NULL);
 575         if (tmpstr==NULL || linphone_core_set_primary_contact(lc,tmpstr)==-1) {
 576                 const char *hostname=NULL;
 577                 const char *username=NULL;
 578 #ifdef HAVE_GETENV
 579                 hostname=getenv("HOST");
 580                 username=getenv("USER");
 581                 if (hostname==NULL) hostname=getenv("HOSTNAME");
 582 #endif /*HAVE_GETENV*/
 583                 if (hostname==NULL)
 584                         hostname="unknown-host";
 585                 if (username==NULL){
 586                         username="toto";
 587                 }
 588                 contact=ortp_strdup_printf("sip:%s@%s",username,hostname);
 589                 linphone_core_set_primary_contact(lc,contact);
 590                 ms_free(contact);
 591         }
 592
 593         tmp=lp_config_get_int(lc->config,"sip","guess_hostname",1);
 594         linphone_core_set_guess_hostname(lc,tmp);
 595
 596
 597         tmp=lp_config_get_int(lc->config,"sip","inc_timeout",30);
 598         linphone_core_set_inc_timeout(lc,tmp);
 599
 600         tmp=lp_config_get_int(lc->config,"sip","in_call_timeout",0);
 601         linphone_core_set_in_call_timeout(lc,tmp);
 602
 603         /* get proxies config */
 604         for(i=0;; i++){
 605                 LinphoneProxyConfig *cfg=linphone_proxy_config_new_from_config_file(lc->config,i);
 606                 if (cfg!=NULL){
 607                         linphone_core_add_proxy_config(lc,cfg);
 608                 }else{
 609                         break;
 610                 }
 611         }
 612         /* get the default proxy */
 613         tmp=lp_config_get_int(lc->config,"sip","default_proxy",-1);
 614         linphone_core_set_default_proxy_index(lc,tmp);
 615
 616         /* read authentication information */
 617         for(i=0;; i++){
 618                 LinphoneAuthInfo *ai=linphone_auth_info_new_from_config_file(lc->config,i);
 619                 if (ai!=NULL){
 620                         linphone_core_add_auth_info(lc,ai);
 621                         linphone_auth_info_destroy(ai);
 622                 }else{
 623                         break;
 624                 }
 625         }
 626         /*this is to filter out unsupported encryption schemes*/
 627         linphone_core_set_media_encryption(lc,linphone_core_get_media_encryption(lc));
 628
 629         /*for tuning or test*/
 630         lc->sip_conf.sdp_200_ack=lp_config_get_int(lc->config,"sip","sdp_200_ack",0);
 631         lc->sip_conf.register_only_when_network_is_up=
 632                 lp_config_get_int(lc->config,"sip","register_only_when_network_is_up",1);
 633         lc->sip_conf.ping_with_options=lp_config_get_int(lc->config,"sip","ping_with_options",1);
 634         lc->sip_conf.auto_net_state_mon=lp_config_get_int(lc->config,"sip","auto_net_state_mon",1);
 635         lc->sip_conf.keepalive_period=lp_config_get_int(lc->config,"sip","keepalive_period",10000);
 636         sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
 637         sal_use_one_matching_codec_policy(lc->sal,lp_config_get_int(lc->config,"sip","only_one_codec",0));
 638         sal_use_double_registrations(lc->sal,lp_config_get_int(lc->config,"sip","use_double_registrations",1));
 639         sal_use_dates(lc->sal,lp_config_get_int(lc->config,"sip","put_date",0));
 640 }
 641
 642 static void rtp_config_read(LinphoneCore *lc)
 643 {
 644         int min_port, max_port;
 645         int jitt_comp;
 646         int nortp_timeout;
 647         bool_t rtp_no_xmit_on_audio_mute;
 648         bool_t adaptive_jitt_comp_enabled;
 649
 650         if (lp_config_get_range(lc->config, "rtp", "audio_rtp_port", &min_port, &max_port, 7078, 7078) == TRUE) {
 651                 if (min_port <= 0) min_port = 1;
 652                 if (max_port > 65535) max_port = 65535;
 653                 linphone_core_set_audio_port_range(lc, min_port, max_port);
 654         } else {
 655                 min_port = lp_config_get_int(lc->config, "rtp", "audio_rtp_port", 7078);
 656                 linphone_core_set_audio_port(lc, min_port);
 657         }
 658
 659         if (lp_config_get_range(lc->config, "rtp", "video_rtp_port", &min_port, &max_port, 9078, 9078) == TRUE) {
 660                 if (min_port <= 0) min_port = 1;
 661                 if (max_port > 65535) max_port = 65535;
 662                 linphone_core_set_video_port_range(lc, min_port, max_port);
 663         } else {
 664                 min_port = lp_config_get_int(lc->config, "rtp", "video_rtp_port", 9078);
 665                 linphone_core_set_video_port(lc, min_port);
 666         }
 667
 668         jitt_comp=lp_config_get_int(lc->config,"rtp","audio_jitt_comp",60);
 669         linphone_core_set_audio_jittcomp(lc,jitt_comp);
 670         jitt_comp=lp_config_get_int(lc->config,"rtp","video_jitt_comp",60);
 671         if (jitt_comp==0) jitt_comp=60;
 672         linphone_core_set_video_jittcomp(lc,jitt_comp);
 673         nortp_timeout=lp_config_get_int(lc->config,"rtp","nortp_timeout",30);
 674         linphone_core_set_nortp_timeout(lc,nortp_timeout);
 675         rtp_no_xmit_on_audio_mute=lp_config_get_int(lc->config,"rtp","rtp_no_xmit_on_audio_mute",FALSE);
 676         linphone_core_set_rtp_no_xmit_on_audio_mute(lc,rtp_no_xmit_on_audio_mute);
 677         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "audio_adaptive_jitt_comp_enabled", TRUE);
 678         linphone_core_enable_audio_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 679         adaptive_jitt_comp_enabled = lp_config_get_int(lc->config, "rtp", "video_adaptive_jitt_comp_enabled", TRUE);
 680         linphone_core_enable_video_adaptive_jittcomp(lc, adaptive_jitt_comp_enabled);
 681 }
 682
 683 static PayloadType * find_payload(RtpProfile *prof, const char *mime_type, int clock_rate, int channels, const char *recv_fmtp){
 684         PayloadType *candidate=NULL;
 685         int i;
 686         PayloadType *it;
 687         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 688                 it=rtp_profile_get_payload(prof,i);
 689                 if (it!=NULL && strcasecmp(mime_type,it->mime_type)==0
 690                         && (clock_rate==it->clock_rate || clock_rate<=0)
 691                         && (channels==it->channels || channels<=0) ){
 692                         if ( (recv_fmtp && it->recv_fmtp && strstr(recv_fmtp,it->recv_fmtp)!=NULL) ||
 693                                 (recv_fmtp==NULL && it->recv_fmtp==NULL) ){
 694                                 /*exact match*/
 695                                 if (recv_fmtp) payload_type_set_recv_fmtp(it,recv_fmtp);
 696                                 return it;
 697                         }else {
 698                                 if (candidate){
 699                                         if (it->recv_fmtp==NULL) candidate=it;
 700                                 }else candidate=it;
 701                         }
 702                 }
 703         }
 704         if (candidate && recv_fmtp){
 705                 payload_type_set_recv_fmtp(candidate,recv_fmtp);
 706         }
 707         return candidate;
 708 }
 709
 710 static bool_t get_codec(LinphoneCore *lc, const char* type, int index, PayloadType **ret){
 711         char codeckey[50];
 712         const char *mime,*fmtp;
 713         int rate,channels,enabled;
 714         PayloadType *pt;
 715         LpConfig *config=lc->config;
 716
 717         *ret=NULL;
 718         snprintf(codeckey,50,"%s_%i",type,index);
 719         mime=lp_config_get_string(config,codeckey,"mime",NULL);
 720         if (mime==NULL || strlen(mime)==0 ) return FALSE;
 721
 722         rate=lp_config_get_int(config,codeckey,"rate",8000);
 723         fmtp=lp_config_get_string(config,codeckey,"recv_fmtp",NULL);
 724         channels=lp_config_get_int(config,codeckey,"channels",0);
 725         enabled=lp_config_get_int(config,codeckey,"enabled",1);
 726         pt=find_payload(lc->default_profile,mime,rate,channels,fmtp);
 727         if (pt && enabled ) pt->flags|=PAYLOAD_TYPE_ENABLED;
 728         //ms_message("Found codec %s/%i",pt->mime_type,pt->clock_rate);
 729         if (pt==NULL) ms_warning("Ignoring codec config %s/%i with fmtp=%s because unsupported",
 730                         mime,rate,fmtp ? fmtp : "");
 731         *ret=pt;
 732         return TRUE;
 733 }
 734
 735 #define RANK_END 10000
 736
 737 typedef struct codec_desc{
 738         const char *name;
 739         int rate;
 740 }codec_desc_t;
 741
 742 static codec_desc_t codec_pref_order[]={
 743         {"SILK", 16000},
 744         {"speex", 16000},
 745         {"speex", 8000},
 746         {"pcmu",8000},
 747         {"pcma",8000},
 748         {"VP8",90000},
 749         {"H264",90000},
 750         {"MP4V-ES",90000},
 751         {NULL,0}
 752 };
 753
 754 static int find_codec_rank(const char *mime, int clock_rate){
 755         int i;
 756         for(i=0;codec_pref_order[i].name!=NULL;++i){
 757                 if (strcasecmp(codec_pref_order[i].name,mime)==0 && clock_rate==codec_pref_order[i].rate)
 758                         return i;
 759         }
 760         return RANK_END;
 761 }
 762
 763 static int codec_compare(const PayloadType *a, const PayloadType *b){
 764         int ra,rb;
 765         ra=find_codec_rank(a->mime_type,a->clock_rate);
 766         rb=find_codec_rank(b->mime_type,b->clock_rate);
 767         if (ra>rb) return 1;
 768         if (ra<rb) return -1;
 769         return 0;
 770 }
 771
 772 static MSList *add_missing_codecs(LinphoneCore *lc, SalStreamType mtype, MSList *l){
 773         int i;
 774         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
 775                 PayloadType *pt=rtp_profile_get_payload(lc->default_profile,i);
 776                 if (pt){
 777                         if (mtype==SalVideo && pt->type!=PAYLOAD_VIDEO)
 778                                 pt=NULL;
 779                         else if (mtype==SalAudio && (pt->type!=PAYLOAD_AUDIO_PACKETIZED
 780                             && pt->type!=PAYLOAD_AUDIO_CONTINUOUS)){
 781                                 pt=NULL;
 782                         }
 783                         if (pt && ms_filter_codec_supported(pt->mime_type)){
 784                                 if (ms_list_find(l,pt)==NULL){
 785                                         /*unranked codecs are disabled by default*/
 786                                         if (find_codec_rank(pt->mime_type, pt->clock_rate)!=RANK_END){
 787                                                 payload_type_set_flag(pt,PAYLOAD_TYPE_ENABLED);
 788                                         }
 789                                         ms_message("Adding new codec %s/%i with fmtp %s",
 790                                             pt->mime_type,pt->clock_rate,pt->recv_fmtp ? pt->recv_fmtp : "");
 791                                         l=ms_list_insert_sorted(l,pt,(int (*)(const void *, const void *))codec_compare);
 792                                 }
 793                         }
 794                 }
 795         }
 796         return l;
 797 }
 798
 799 static MSList *codec_append_if_new(MSList *l, PayloadType *pt){
 800         MSList *elem;
 801         for (elem=l;elem!=NULL;elem=elem->next){
 802                 PayloadType *ept=(PayloadType*)elem->data;
 803                 if (pt==ept)
 804                         return l;
 805         }
 806         l=ms_list_append(l,pt);
 807         return l;
 808 }
 809
 810 static void codecs_config_read(LinphoneCore *lc)
 811 {
 812         int i;
 813         PayloadType *pt;
 814         MSList *audio_codecs=NULL;
 815         MSList *video_codecs=NULL;
 816         for (i=0;get_codec(lc,"audio_codec",i,&pt);i++){
 817                 if (pt){
 818                         if (!ms_filter_codec_supported(pt->mime_type)){
 819                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 820                         }else audio_codecs=codec_append_if_new(audio_codecs,pt);
 821                 }
 822         }
 823         audio_codecs=add_missing_codecs(lc,SalAudio,audio_codecs);
 824         for (i=0;get_codec(lc,"video_codec",i,&pt);i++){
 825                 if (pt){
 826                         if (!ms_filter_codec_supported(pt->mime_type)){
 827                                 ms_warning("Codec %s is not supported by mediastreamer2, removed.",pt->mime_type);
 828                         }else video_codecs=codec_append_if_new(video_codecs,(void *)pt);
 829                 }
 830         }
 831         video_codecs=add_missing_codecs(lc,SalVideo,video_codecs);
 832         linphone_core_set_audio_codecs(lc,audio_codecs);
 833         linphone_core_set_video_codecs(lc,video_codecs);
 834         linphone_core_update_allocated_audio_bandwidth(lc);
 835 }
 836
 837 static void build_video_devices_table(LinphoneCore *lc){
 838         const MSList *elem;
 839         int i;
 840         int ndev;
 841         const char **devices;
 842         if (lc->video_conf.cams)
 843                 ms_free(lc->video_conf.cams);
 844         /* retrieve all video devices */
 845         elem=ms_web_cam_manager_get_list(ms_web_cam_manager_get());
 846         ndev=ms_list_size(elem);
 847         devices=ms_malloc((ndev+1)*sizeof(const char *));
 848         for (i=0;elem!=NULL;elem=elem->next,i++){
 849                 devices[i]=ms_web_cam_get_string_id((MSWebCam *)elem->data);
 850         }
 851         devices[ndev]=NULL;
 852         lc->video_conf.cams=devices;
 853 }
 854
 855 static void video_config_read(LinphoneCore *lc){
 856 #ifdef VIDEO_ENABLED
 857         int capture, display, self_view;
 858 #endif
 859         const char *str;
 860 #ifdef VIDEO_ENABLED
 861         LinphoneVideoPolicy vpol;
 862         memset(&vpol, 0, sizeof(LinphoneVideoPolicy));
 863 #endif
 864         build_video_devices_table(lc);
 865
 866         str=lp_config_get_string(lc->config,"video","device",NULL);
 867         if (str && str[0]==0) str=NULL;
 868         linphone_core_set_video_device(lc,str);
 869
 870         linphone_core_set_preferred_video_size_by_name(lc,
 871                 lp_config_get_string(lc->config,"video","size","cif"));
 872
 873 #ifdef VIDEO_ENABLED
 874         capture=lp_config_get_int(lc->config,"video","capture",1);
 875         display=lp_config_get_int(lc->config,"video","display",1);
 876         self_view=lp_config_get_int(lc->config,"video","self_view",1);
 877         vpol.automatically_initiate=lp_config_get_int(lc->config,"video","automatically_initiate",1);
 878         vpol.automatically_accept=lp_config_get_int(lc->config,"video","automatically_accept",1);
 879         lc->video_conf.displaytype=lp_config_get_string(lc->config,"video","displaytype",NULL);
 880         if(lc->video_conf.displaytype)
 881                 ms_message("we are using a specific display:%s\n",lc->video_conf.displaytype);
 882
 883         linphone_core_enable_video(lc,capture,display);
 884         linphone_core_enable_video_preview(lc,lp_config_get_int(lc->config,"video","show_local",0));
 885         linphone_core_enable_self_view(lc,self_view);
 886         linphone_core_set_video_policy(lc,&vpol);
 887 #endif
 888 }
 889
 890 static void ui_config_read(LinphoneCore *lc)
 891 {
 892         LinphoneFriend *lf;
 893         int i;
 894         for (i=0;(lf=linphone_friend_new_from_config_file(lc,i))!=NULL;i++){
 895                 linphone_core_add_friend(lc,lf);
 896         }
 897         call_logs_read_from_config_file(lc);
 898 }
 899
 900 /*
 901 static void autoreplier_config_init(LinphoneCore *lc)
 902 {
 903         autoreplier_config_t *config=&lc->autoreplier_conf;
 904         config->enabled=lp_config_get_int(lc->config,"autoreplier","enabled",0);
 905         config->after_seconds=lp_config_get_int(lc->config,"autoreplier","after_seconds",6);
 906         config->max_users=lp_config_get_int(lc->config,"autoreplier","max_users",1);
 907         config->max_rec_time=lp_config_get_int(lc->config,"autoreplier","max_rec_time",60);
 908         config->max_rec_msg=lp_config_get_int(lc->config,"autoreplier","max_rec_msg",10);
 909         config->message=lp_config_get_string(lc->config,"autoreplier","message",NULL);
 910 }
 911 */
 912
 913 bool_t linphone_core_tunnel_available(void){
 914 #ifdef TUNNEL_ENABLED
 915         return TRUE;
 916 #else
 917         return FALSE;
 918 #endif
 919 }
 920
 921 /**
 922  * Enable adaptive rate control (experimental feature, audio-only).
 923  *
 924  * Adaptive rate control consists in using RTCP feedback provided information to dynamically
 925  * control the output bitrate of the encoders, so that we can adapt to the network conditions and
 926  * available bandwidth.
 927 **/
 928 void linphone_core_enable_adaptive_rate_control(LinphoneCore *lc, bool_t enabled){
 929         lp_config_set_int(lc->config,"net","adaptive_rate_control",(int)enabled);
 930 }
 931
 932 /**
 933  * Returns whether adaptive rate control is enabled.
 934  *
 935  * See linphone_core_enable_adaptive_rate_control().
 936 **/
 937 bool_t linphone_core_adaptive_rate_control_enabled(const LinphoneCore *lc){
 938         return lp_config_get_int(lc->config,"net","adaptive_rate_control",TRUE);
 939 }
 940
 941 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc){
 942         return lp_config_get_int(lc->config,"rtp","rtcp_enabled",TRUE);
 943 }
 944
 945 /**
 946  * Sets maximum available download bandwidth
 947  *
 948  * @ingroup media_parameters
 949  *
 950  * This is IP bandwidth, in kbit/s.
 951  * This information is used signaled to other parties during
 952  * calls (within SDP messages) so that the remote end can have
 953  * sufficient knowledge to properly configure its audio & video
 954  * codec output bitrate to not overflow available bandwidth.
 955  *
 956  * @param lc the LinphoneCore object
 957  * @param bw the bandwidth in kbits/s, 0 for infinite
 958  */
 959 void linphone_core_set_download_bandwidth(LinphoneCore *lc, int bw){
 960         lc->net_conf.download_bw=bw;
 961         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","download_bw",bw);
 962 }
 963
 964 /**
 965  * Sets maximum available upload bandwidth
 966  *
 967  * @ingroup media_parameters
 968  *
 969  * This is IP bandwidth, in kbit/s.
 970  * This information is used by liblinphone together with remote
 971  * side available bandwidth signaled in SDP messages to properly
 972  * configure audio & video codec's output bitrate.
 973  *
 974  * @param lc the LinphoneCore object
 975  * @param bw the bandwidth in kbits/s, 0 for infinite
 976  */
 977 void linphone_core_set_upload_bandwidth(LinphoneCore *lc, int bw){
 978         lc->net_conf.upload_bw=bw;
 979         if (linphone_core_ready(lc)) lp_config_set_int(lc->config,"net","upload_bw",bw);
 980 }
 981
 982 /**
 983  * Retrieve the maximum available download bandwidth.
 984  *
 985  * @ingroup media_parameters
 986  *
 987  * This value was set by linphone_core_set_download_bandwidth().
 988  *
 989 **/
 990 int linphone_core_get_download_bandwidth(const LinphoneCore *lc){
 991         return lc->net_conf.download_bw;
 992 }
 993
 994 /**
 995  * Retrieve the maximum available upload bandwidth.
 996  *
 997  * @ingroup media_parameters
 998  *
 999  * This value was set by linphone_core_set_upload_bandwidth().
1000  *
1001 **/
1002 int linphone_core_get_upload_bandwidth(const LinphoneCore *lc){
1003         return lc->net_conf.upload_bw;
1004 }
1005 /**
1006  * Set audio packetization time linphone expects to receive from peer
1007  */
1008 void linphone_core_set_download_ptime(LinphoneCore *lc, int ptime) {
1009         lp_config_set_int(lc->config,"rtp","download_ptime",ptime);
1010 }
1011
1012 /**
1013  * Get audio packetization time linphone expects to receive from peer
1014  */
1015 int linphone_core_get_download_ptime(LinphoneCore *lc) {
1016         return lp_config_get_int(lc->config,"rtp","download_ptime",0);
1017 }
1018
1019 /**
1020  * Set audio packetization time linphone will send (in absence of requirement from peer)
1021  * A value of 0 stands for the current codec default packetization time.
1022  *
1023 **/
1024 void linphone_core_set_upload_ptime(LinphoneCore *lc, int ptime){
1025         lp_config_set_int(lc->config,"rtp","upload_ptime",ptime);
1026 }
1027
1028 /**
1029  * Set audio packetization time linphone will send (in absence of requirement from peer)
1030  * A value of 0 stands for the current codec default packetization time.
1031  *
1032 **/
1033 int linphone_core_get_upload_ptime(LinphoneCore *lc){
1034         return lp_config_get_int(lc->config,"rtp","upload_ptime",0);
1035 }
1036
1037
1038
1039 /**
1040  * Returns liblinphone's version as a string.
1041  *
1042  * @ingroup misc
1043  *
1044 **/
1045 const char * linphone_core_get_version(void){
1046         return liblinphone_version;
1047 }
1048
1049 static void linphone_core_assign_payload_type(LinphoneCore *lc, PayloadType *const_pt, int number, const char *recv_fmtp){
1050         PayloadType *pt;
1051         pt=payload_type_clone(const_pt);
1052         if (number==-1){
1053                 /*look for a free number */
1054                 MSList *elem;
1055                 int i;
1056                 for(i=lc->dyn_pt;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1057                         bool_t already_assigned=FALSE;
1058                         for(elem=lc->payload_types;elem!=NULL;elem=elem->next){
1059                                 PayloadType *it=(PayloadType*)elem->data;
1060                                 if (payload_type_get_number(it)==i){
1061                                         already_assigned=TRUE;
1062                                         break;
1063                                 }
1064                         }
1065                         if (!already_assigned){
1066                                 number=i;
1067                                 lc->dyn_pt=i+1;
1068                                 break;
1069                         }
1070                 }
1071                 if (number==-1){
1072                         ms_fatal("FIXME: too many codecs, no more free numbers.");
1073                 }
1074         }
1075         ms_message("assigning %s/%i payload type number %i",pt->mime_type,pt->clock_rate,number);
1076         payload_type_set_number(pt,number);
1077         if (recv_fmtp!=NULL) payload_type_set_recv_fmtp(pt,recv_fmtp);
1078         rtp_profile_set_payload(lc->default_profile,number,pt);
1079         lc->payload_types=ms_list_append(lc->payload_types,pt);
1080 }
1081
1082 static void linphone_core_handle_static_payloads(LinphoneCore *lc){
1083         RtpProfile *prof=&av_profile;
1084         int i;
1085         for(i=0;i<RTP_PROFILE_MAX_PAYLOADS;++i){
1086                 PayloadType *pt=rtp_profile_get_payload(prof,i);
1087                 if (pt){
1088                         if (payload_type_get_number(pt)!=i){
1089                                 linphone_core_assign_payload_type(lc,pt,i,NULL);
1090                         }
1091                 }
1092         }
1093 }
1094
1095 static void linphone_core_free_payload_types(LinphoneCore *lc){
1096         rtp_profile_clear_all(lc->default_profile);
1097         rtp_profile_destroy(lc->default_profile);
1098         ms_list_for_each(lc->payload_types,(void (*)(void*))payload_type_destroy);
1099         ms_list_free(lc->payload_types);
1100         lc->payload_types=NULL;
1101 }
1102
1103 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message){
1104         lc->state=gstate;
1105         if (lc->vtable.global_state_changed){
1106                 lc->vtable.global_state_changed(lc,gstate,message);
1107         }
1108 }
1109 static void misc_config_read (LinphoneCore *lc) {
1110         LpConfig *config=lc->config;
1111     lc->max_call_logs=lp_config_get_int(config,"misc","history_max_size",15);
1112     lc->max_calls=lp_config_get_int(config,"misc","max_calls",NB_MAX_CALLS);
1113 }
1114
1115
1116
1117
1118 static void linphone_core_init (LinphoneCore * lc, const LinphoneCoreVTable *vtable, const char *config_path,
1119     const char *factory_config_path, void * userdata)
1120 {
1121         ms_message("Initializing LinphoneCore %s", linphone_core_get_version());
1122         memset (lc, 0, sizeof (LinphoneCore));
1123         lc->data=userdata;
1124         lc->ringstream_autorelease=TRUE;
1125
1126         memcpy(&lc->vtable,vtable,sizeof(LinphoneCoreVTable));
1127
1128         linphone_core_set_state(lc,LinphoneGlobalStartup,"Starting up");
1129         ortp_init();
1130         lc->dyn_pt=96;
1131         lc->default_profile=rtp_profile_new("default profile");
1132         linphone_core_assign_payload_type(lc,&payload_type_pcmu8000,0,NULL);
1133         linphone_core_assign_payload_type(lc,&payload_type_gsm,3,NULL);
1134         linphone_core_assign_payload_type(lc,&payload_type_pcma8000,8,NULL);
1135         linphone_core_assign_payload_type(lc,&payload_type_speex_nb,110,"vbr=on");
1136         linphone_core_assign_payload_type(lc,&payload_type_speex_wb,111,"vbr=on");
1137         linphone_core_assign_payload_type(lc,&payload_type_speex_uwb,112,"vbr=on");
1138         linphone_core_assign_payload_type(lc,&payload_type_telephone_event,101,"0-11");
1139         linphone_core_assign_payload_type(lc,&payload_type_g722,9,NULL);
1140
1141 #if defined(ANDROID) || defined (__IPHONE_OS_VERSION_MIN_REQUIRED)
1142         /*shorten the DNS lookup time and send more retransmissions on mobiles:
1143          - to workaround potential packet losses
1144          - to avoid hanging for 30 seconds when the network doesn't work despite the phone thinks it does.
1145          */
1146         _linphone_core_configure_resolver();
1147 #endif
1148
1149 #ifdef ENABLE_NONSTANDARD_GSM
1150         {
1151                 PayloadType *pt;
1152                 pt=payload_type_clone(&payload_type_gsm);
1153                 pt->clock_rate=11025;
1154                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1155                 pt->clock_rate=22050;
1156                 linphone_core_assign_payload_type(lc,pt,-1,NULL);
1157                 payload_type_destroy(pt);
1158         }
1159 #endif
1160
1161 #ifdef VIDEO_ENABLED
1162         linphone_core_assign_payload_type(lc,&payload_type_h263,34,NULL);
1163         linphone_core_assign_payload_type(lc,&payload_type_theora,97,NULL);
1164         linphone_core_assign_payload_type(lc,&payload_type_h263_1998,98,"CIF=1;QCIF=1");
1165         linphone_core_assign_payload_type(lc,&payload_type_mp4v,99,"profile-level-id=3");
1166         linphone_core_assign_payload_type(lc,&payload_type_h264,102,"profile-level-id=428014");
1167         linphone_core_assign_payload_type(lc,&payload_type_vp8,103,NULL);
1168         linphone_core_assign_payload_type(lc,&payload_type_x_snow,-1,NULL);
1169         /* due to limited space in SDP, we have to disable this h264 line which is normally no more necessary */
1170         /* linphone_core_assign_payload_type(&payload_type_h264,-1,"packetization-mode=1;profile-level-id=428014");*/
1171 #endif
1172
1173         /*add all payload type for which we don't care about the number */
1174         linphone_core_assign_payload_type(lc,&payload_type_ilbc,-1,"mode=30");
1175         linphone_core_assign_payload_type(lc,&payload_type_amr,-1,"octet-align=1");
1176         linphone_core_assign_payload_type(lc,&payload_type_amrwb,-1,"octet-align=1");
1177         linphone_core_assign_payload_type(lc,&payload_type_lpc1015,-1,NULL);
1178         linphone_core_assign_payload_type(lc,&payload_type_g726_16,-1,NULL);
1179         linphone_core_assign_payload_type(lc,&payload_type_g726_24,-1,NULL);
1180         linphone_core_assign_payload_type(lc,&payload_type_g726_32,-1,NULL);
1181         linphone_core_assign_payload_type(lc,&payload_type_g726_40,-1,NULL);
1182         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_16,-1,NULL);
1183         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_24,-1,NULL);
1184         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_32,-1,NULL);
1185         linphone_core_assign_payload_type(lc,&payload_type_aal2_g726_40,-1,NULL);
1186         linphone_core_assign_payload_type(lc,&payload_type_silk_nb,-1,NULL);
1187         linphone_core_assign_payload_type(lc,&payload_type_silk_mb,-1,NULL);
1188         linphone_core_assign_payload_type(lc,&payload_type_silk_wb,-1,NULL);
1189         linphone_core_assign_payload_type(lc,&payload_type_silk_swb,-1,NULL);
1190         linphone_core_assign_payload_type(lc,&payload_type_g729,18,"annexb=no");
1191         linphone_core_handle_static_payloads(lc);
1192
1193         ms_init();
1194         /* create a mediastreamer2 event queue and set it as global */
1195         /* This allows to run event's callback in linphone_core_iterate() */
1196         lc->msevq=ms_event_queue_new();
1197         ms_set_global_event_queue(lc->msevq);
1198
1199         lc->config=lp_config_new(config_path);
1200         if (factory_config_path)
1201                 lp_config_read_file(lc->config,factory_config_path);
1202
1203         lc->sal=sal_init();
1204         sal_set_user_pointer(lc->sal,lc);
1205         sal_set_callbacks(lc->sal,&linphone_sal_callbacks);
1206
1207         lc->network_last_check = 0;
1208         lc->network_last_status = FALSE;
1209
1210         sip_setup_register_all();
1211         sound_config_read(lc);
1212         net_config_read(lc);
1213         rtp_config_read(lc);
1214         codecs_config_read(lc);
1215         sip_config_read(lc); /* this will start eXosip*/
1216         video_config_read(lc);
1217         //autoreplier_config_init(&lc->autoreplier_conf);
1218         lc->presence_mode=LinphoneStatusOnline;
1219         misc_config_read(lc);
1220         ui_config_read(lc);
1221 #ifdef TUNNEL_ENABLED
1222         lc->tunnel=linphone_core_tunnel_new(lc);
1223         if (lc->tunnel) linphone_tunnel_configure(lc->tunnel);
1224 #endif
1225         if (lc->vtable.display_status)
1226                 lc->vtable.display_status(lc,_("Ready"));
1227         lc->auto_net_state_mon=lc->sip_conf.auto_net_state_mon;
1228         linphone_core_set_state(lc,LinphoneGlobalOn,"Ready");
1229 }
1230
1231 /**
1232  * Instanciates a LinphoneCore object.
1233  * @ingroup initializing
1234  *
1235  * The LinphoneCore object is the primary handle for doing all phone actions.
1236  * It should be unique within your application.
1237  * @param vtable a LinphoneCoreVTable structure holding your application callbacks
1238  * @param config_path a path to a config file. If it does not exists it will be created.
1239  *        The config file is used to store all settings, call logs, friends, proxies... so that all these settings
1240  *             become persistent over the life of the LinphoneCore object.
1241  *             It is allowed to set a NULL config file. In that case LinphoneCore will not store any settings.
1242  * @param factory_config_path a path to a read-only config file that can be used to
1243  *        to store hard-coded preference such as proxy settings or internal preferences.
1244  *        The settings in this factory file always override the one in the normal config file.
1245  *        It is OPTIONAL, use NULL if unneeded.
1246  * @param userdata an opaque user pointer that can be retrieved at any time (for example in
1247  *        callbacks) using linphone_core_get_user_data().
1248  *
1249 **/
1250 LinphoneCore *linphone_core_new(const LinphoneCoreVTable *vtable,
1251                                                 const char *config_path, const char *factory_config_path, void * userdata)
1252 {
1253         LinphoneCore *core=ms_new(LinphoneCore,1);
1254         linphone_core_init(core,vtable,config_path, factory_config_path, userdata);
1255         return core;
1256 }
1257
1258 /**
1259  * Returns the list of available audio codecs.
1260  *
1261  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1262  * structure holding the codec information.
1263  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1264  * (such as the order of codecs).
1265 **/
1266 const MSList *linphone_core_get_audio_codecs(const LinphoneCore *lc)
1267 {
1268         return lc->codecs_conf.audio_codecs;
1269 }
1270
1271 /**
1272  * Returns the list of available video codecs.
1273  *
1274  * This list is unmodifiable. The ->data field of the MSList points a PayloadType
1275  * structure holding the codec information.
1276  * It is possible to make copy of the list with ms_list_copy() in order to modify it
1277  * (such as the order of codecs).
1278 **/
1279 const MSList *linphone_core_get_video_codecs(const LinphoneCore *lc)
1280 {
1281         return lc->codecs_conf.video_codecs;
1282 }
1283
1284 /**
1285  * Sets the local "from" identity.
1286  *
1287  * @ingroup proxies
1288  * This data is used in absence of any proxy configuration or when no
1289  * default proxy configuration is set. See LinphoneProxyConfig
1290 **/
1291 int linphone_core_set_primary_contact(LinphoneCore *lc, const char *contact)
1292 {
1293         LinphoneAddress *ctt;
1294
1295         if ((ctt=linphone_address_new(contact))==0) {
1296                 ms_error("Bad contact url: %s",contact);
1297                 return -1;
1298         }
1299         if (lc->sip_conf.contact!=NULL) ms_free(lc->sip_conf.contact);
1300         lc->sip_conf.contact=ms_strdup(contact);
1301         if (lc->sip_conf.guessed_contact!=NULL){
1302                 ms_free(lc->sip_conf.guessed_contact);
1303                 lc->sip_conf.guessed_contact=NULL;
1304         }
1305         linphone_address_destroy(ctt);
1306         return 0;
1307 }
1308
1309
1310 /*result must be an array of chars at least LINPHONE_IPADDR_SIZE */
1311 void linphone_core_get_local_ip(LinphoneCore *lc, const char *dest, char *result){
1312         const char *ip;
1313         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress
1314             && (ip=linphone_core_get_nat_address_resolved(lc))!=NULL){
1315                 strncpy(result,ip,LINPHONE_IPADDR_SIZE);
1316                 return;
1317         }
1318         if (linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,dest,result)==0)
1319                 return;
1320         /*else fallback to SAL routine that will attempt to find the most realistic interface */
1321         sal_get_default_local_ip(lc->sal,lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,result,LINPHONE_IPADDR_SIZE);
1322 }
1323
1324 static void update_primary_contact(LinphoneCore *lc){
1325         char *guessed=NULL;
1326         char tmp[LINPHONE_IPADDR_SIZE];
1327
1328         LinphoneAddress *url;
1329         if (lc->sip_conf.guessed_contact!=NULL){
1330                 ms_free(lc->sip_conf.guessed_contact);
1331                 lc->sip_conf.guessed_contact=NULL;
1332         }
1333         url=linphone_address_new(lc->sip_conf.contact);
1334         if (!url){
1335                 ms_error("Could not parse identity contact !");
1336                 url=linphone_address_new("sip:unknown@unkwownhost");
1337         }
1338         linphone_core_get_local_ip(lc, NULL, tmp);
1339         if (strcmp(tmp,"127.0.0.1")==0 || strcmp(tmp,"::1")==0 ){
1340                 ms_warning("Local loopback network only !");
1341                 lc->sip_conf.loopback_only=TRUE;
1342         }else lc->sip_conf.loopback_only=FALSE;
1343         linphone_address_set_domain(url,tmp);
1344         linphone_address_set_port_int(url,linphone_core_get_sip_port (lc));
1345         guessed=linphone_address_as_string(url);
1346         lc->sip_conf.guessed_contact=guessed;
1347         linphone_address_destroy(url);
1348 }
1349
1350 /**
1351  * Returns the default identity when no proxy configuration is used.
1352  *
1353  * @ingroup proxies
1354 **/
1355 const char *linphone_core_get_primary_contact(LinphoneCore *lc){
1356         char *identity;
1357
1358         if (lc->sip_conf.guess_hostname){
1359                 if (lc->sip_conf.guessed_contact==NULL || lc->sip_conf.loopback_only){
1360                         update_primary_contact(lc);
1361                 }
1362                 identity=lc->sip_conf.guessed_contact;
1363         }else{
1364                 identity=lc->sip_conf.contact;
1365         }
1366         return identity;
1367 }
1368
1369 /**
1370  * Tells LinphoneCore to guess local hostname automatically in primary contact.
1371  *
1372  * @ingroup proxies
1373 **/
1374 void linphone_core_set_guess_hostname(LinphoneCore *lc, bool_t val){
1375         lc->sip_conf.guess_hostname=val;
1376 }
1377
1378 /**
1379  * Returns TRUE if hostname part of primary contact is guessed automatically.
1380  *
1381  * @ingroup proxies
1382 **/
1383 bool_t linphone_core_get_guess_hostname(LinphoneCore *lc){
1384         return lc->sip_conf.guess_hostname;
1385 }
1386
1387 /**
1388  * Same as linphone_core_get_primary_contact() but the result is a LinphoneAddress object
1389  * instead of const char*
1390  *
1391  * @ingroup proxies
1392 **/
1393 LinphoneAddress *linphone_core_get_primary_contact_parsed(LinphoneCore *lc){
1394         return linphone_address_new(linphone_core_get_primary_contact(lc));
1395 }
1396
1397 /**
1398  * Sets the list of audio codecs.
1399  *
1400  * @ingroup media_parameters
1401  * The list is taken by the LinphoneCore thus the application should not free it.
1402  * This list is made of struct PayloadType describing the codec parameters.
1403 **/
1404 int linphone_core_set_audio_codecs(LinphoneCore *lc, MSList *codecs)
1405 {
1406         if (lc->codecs_conf.audio_codecs!=NULL) ms_list_free(lc->codecs_conf.audio_codecs);
1407         lc->codecs_conf.audio_codecs=codecs;
1408         _linphone_core_codec_config_write(lc);
1409         return 0;
1410 }
1411
1412 /**
1413  * Sets the list of video codecs.
1414  *
1415  * @ingroup media_parameters
1416  * The list is taken by the LinphoneCore thus the application should not free it.
1417  * This list is made of struct PayloadType describing the codec parameters.
1418 **/
1419 int linphone_core_set_video_codecs(LinphoneCore *lc, MSList *codecs)
1420 {
1421         if (lc->codecs_conf.video_codecs!=NULL) ms_list_free(lc->codecs_conf.video_codecs);
1422         lc->codecs_conf.video_codecs=codecs;
1423         _linphone_core_codec_config_write(lc);
1424         return 0;
1425 }
1426
1427 const MSList * linphone_core_get_friend_list(const LinphoneCore *lc)
1428 {
1429         return lc->friends;
1430 }
1431
1432 void linphone_core_enable_audio_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1433 {
1434         lc->rtp_conf.audio_adaptive_jitt_comp_enabled = val;
1435 }
1436
1437 bool_t linphone_core_audio_adaptive_jittcomp_enabled(LinphoneCore* lc)
1438 {
1439         return lc->rtp_conf.audio_adaptive_jitt_comp_enabled;
1440 }
1441
1442 /**
1443  * Returns the nominal audio jitter buffer size in milliseconds.
1444  *
1445  * @ingroup media_parameters
1446 **/
1447 int linphone_core_get_audio_jittcomp(LinphoneCore *lc)
1448 {
1449         return lc->rtp_conf.audio_jitt_comp;
1450 }
1451
1452 void linphone_core_enable_video_adaptive_jittcomp(LinphoneCore* lc, bool_t val)
1453 {
1454         lc->rtp_conf.video_adaptive_jitt_comp_enabled = val;
1455 }
1456
1457 bool_t linphone_core_video_adaptive_jittcomp_enabled(LinphoneCore* lc)
1458 {
1459         return lc->rtp_conf.video_adaptive_jitt_comp_enabled;
1460 }
1461
1462 /**
1463  * Returns the nominal video jitter buffer size in milliseconds.
1464  *
1465  * @ingroup media_parameters
1466 **/
1467 int linphone_core_get_video_jittcomp(LinphoneCore *lc)
1468 {
1469         return lc->rtp_conf.video_jitt_comp;
1470 }
1471
1472 /**
1473  * Returns the UDP port used for audio streaming.
1474  *
1475  * @ingroup network_parameters
1476 **/
1477 int linphone_core_get_audio_port(const LinphoneCore *lc)
1478 {
1479         return lc->rtp_conf.audio_rtp_min_port;
1480 }
1481
1482 /**
1483  * Get the audio port range from which is randomly chosen the UDP port used for audio streaming.
1484  *
1485  * @ingroup network_parameters
1486  */
1487 void linphone_core_get_audio_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1488 {
1489         *min_port = lc->rtp_conf.audio_rtp_min_port;
1490         *max_port = lc->rtp_conf.audio_rtp_max_port;
1491 }
1492
1493 /**
1494  * Returns the UDP port used for video streaming.
1495  *
1496  * @ingroup network_parameters
1497 **/
1498 int linphone_core_get_video_port(const LinphoneCore *lc){
1499         return lc->rtp_conf.video_rtp_min_port;
1500 }
1501
1502 /**
1503  * Get the video port range from which is randomly chosen the UDP port used for video streaming.
1504  *
1505  * @ingroup network_parameters
1506  */
1507 void linphone_core_get_video_port_range(const LinphoneCore *lc, int *min_port, int *max_port)
1508 {
1509         *min_port = lc->rtp_conf.video_rtp_min_port;
1510         *max_port = lc->rtp_conf.video_rtp_max_port;
1511 }
1512
1513
1514 /**
1515  * Returns the value in seconds of the no-rtp timeout.
1516  *
1517  * @ingroup media_parameters
1518  * When no RTP or RTCP packets have been received for a while
1519  * LinphoneCore will consider the call is broken (remote end crashed or
1520  * disconnected from the network), and thus will terminate the call.
1521  * The no-rtp timeout is the duration above which the call is considered broken.
1522 **/
1523 int linphone_core_get_nortp_timeout(const LinphoneCore *lc){
1524         return lc->rtp_conf.nortp_timeout;
1525 }
1526
1527 bool_t linphone_core_get_rtp_no_xmit_on_audio_mute(const LinphoneCore *lc){
1528         return lc->rtp_conf.rtp_no_xmit_on_audio_mute;
1529 }
1530
1531 /**
1532  * Sets the nominal audio jitter buffer size in milliseconds.
1533  *
1534  * @ingroup media_parameters
1535 **/
1536 void linphone_core_set_audio_jittcomp(LinphoneCore *lc, int value)
1537 {
1538         lc->rtp_conf.audio_jitt_comp=value;
1539 }
1540
1541 /**
1542  * Sets the nominal video jitter buffer size in milliseconds.
1543  *
1544  * @ingroup media_parameters
1545 **/
1546 void linphone_core_set_video_jittcomp(LinphoneCore *lc, int value)
1547 {
1548         lc->rtp_conf.video_jitt_comp=value;
1549 }
1550
1551 void linphone_core_set_rtp_no_xmit_on_audio_mute(LinphoneCore *lc,bool_t rtp_no_xmit_on_audio_mute){
1552         lc->rtp_conf.rtp_no_xmit_on_audio_mute=rtp_no_xmit_on_audio_mute;
1553 }
1554
1555 /**
1556  * Sets the UDP port used for audio streaming.
1557  *
1558  * @ingroup network_parameters
1559 **/
1560 void linphone_core_set_audio_port(LinphoneCore *lc, int port)
1561 {
1562         lc->rtp_conf.audio_rtp_min_port=lc->rtp_conf.audio_rtp_max_port=port;
1563 }
1564
1565 /**
1566  * Sets the UDP port range from which to randomly select the port used for audio streaming.
1567  */
1568 void linphone_core_set_audio_port_range(LinphoneCore *lc, int min_port, int max_port)
1569 {
1570         lc->rtp_conf.audio_rtp_min_port=min_port;
1571         lc->rtp_conf.audio_rtp_max_port=max_port;
1572 }
1573
1574 /**
1575  * Sets the UDP port used for video streaming.
1576  *
1577  * @ingroup network_parameters
1578 **/
1579 void linphone_core_set_video_port(LinphoneCore *lc, int port){
1580         lc->rtp_conf.video_rtp_min_port=lc->rtp_conf.video_rtp_max_port=port;
1581 }
1582
1583 /**
1584  * Sets the UDP port range from which to randomly select the port used for video streaming.
1585  */
1586 void linphone_core_set_video_port_range(LinphoneCore *lc, int min_port, int max_port)
1587 {
1588         lc->rtp_conf.video_rtp_min_port=min_port;
1589         lc->rtp_conf.video_rtp_max_port=max_port;
1590 }
1591
1592 /**
1593  * Sets the no-rtp timeout value in seconds.
1594  *
1595  * @ingroup media_parameters
1596  * See linphone_core_get_nortp_timeout() for details.
1597 **/
1598 void linphone_core_set_nortp_timeout(LinphoneCore *lc, int nortp_timeout){
1599         lc->rtp_conf.nortp_timeout=nortp_timeout;
1600 }
1601
1602 /**
1603  * Indicates whether SIP INFO is used for sending digits.
1604  *
1605  * @ingroup media_parameters
1606 **/
1607 bool_t linphone_core_get_use_info_for_dtmf(LinphoneCore *lc)
1608 {
1609         return lc->sip_conf.use_info;
1610 }
1611
1612 /**
1613  * Sets whether SIP INFO is to be used for sending digits.
1614  *
1615  * @ingroup media_parameters
1616 **/
1617 void linphone_core_set_use_info_for_dtmf(LinphoneCore *lc,bool_t use_info)
1618 {
1619         lc->sip_conf.use_info=use_info;
1620 }
1621
1622 /**
1623  * Indicates whether RFC2833 is used for sending digits.
1624  *
1625  * @ingroup media_parameters
1626 **/
1627 bool_t linphone_core_get_use_rfc2833_for_dtmf(LinphoneCore *lc)
1628 {
1629         return lc->sip_conf.use_rfc2833;
1630 }
1631
1632 /**
1633  * Sets whether RFC2833 is to be used for sending digits.
1634  *
1635  * @ingroup media_parameters
1636 **/
1637 void linphone_core_set_use_rfc2833_for_dtmf(LinphoneCore *lc,bool_t use_rfc2833)
1638 {
1639         lc->sip_conf.use_rfc2833=use_rfc2833;
1640 }
1641
1642 /**
1643  * Returns the UDP port used by SIP.
1644  *
1645  * Deprecated: use linphone_core_get_sip_transports() instead.
1646  * @ingroup network_parameters
1647 **/
1648 int linphone_core_get_sip_port(LinphoneCore *lc)
1649 {
1650         LCSipTransports *tr=&lc->sip_conf.transports;
1651         return tr->udp_port>0 ? tr->udp_port : (tr->tcp_port > 0 ? tr->tcp_port : tr->tls_port);
1652 }
1653
1654 static char _ua_name[64]="Linphone";
1655 static char _ua_version[64]=LINPHONE_VERSION;
1656
1657 #ifdef HAVE_EXOSIP_GET_VERSION
1658 extern const char *eXosip_get_version();
1659 #endif
1660
1661 static void apply_user_agent(LinphoneCore *lc){
1662         char ua_string[256];
1663         snprintf(ua_string,sizeof(ua_string)-1,"%s/%s (eXosip2/%s)",_ua_name,_ua_version,
1664 #ifdef HAVE_EXOSIP_GET_VERSION
1665                  eXosip_get_version()
1666 #else
1667                  "unknown"
1668 #endif
1669         );
1670         if (lc->sal) sal_set_user_agent(lc->sal,ua_string);
1671 }
1672
1673 /**
1674  * Sets the user agent string used in SIP messages.
1675  *
1676  * @ingroup misc
1677 **/
1678 void linphone_core_set_user_agent(LinphoneCore *lc, const char *name, const char *ver){
1679         strncpy(_ua_name,name,sizeof(_ua_name)-1);
1680         strncpy(_ua_version,ver,sizeof(_ua_version));
1681         apply_user_agent(lc);
1682 }
1683
1684 const char *linphone_core_get_user_agent_name(void){
1685         return _ua_name;
1686 }
1687
1688 const char *linphone_core_get_user_agent_version(void){
1689         return _ua_version;
1690 }
1691
1692 static void transport_error(LinphoneCore *lc, const char* transport, int port){
1693         char *msg=ortp_strdup_printf("Could not start %s transport on port %i, maybe this port is already used.",transport,port);
1694         ms_warning("%s",msg);
1695         if (lc->vtable.display_warning)
1696                 lc->vtable.display_warning(lc,msg);
1697         ms_free(msg);
1698 }
1699
1700 static bool_t transports_unchanged(const LCSipTransports * tr1, const LCSipTransports * tr2){
1701         return
1702                 tr2->udp_port==tr1->udp_port &&
1703                 tr2->tcp_port==tr1->tcp_port &&
1704                 tr2->dtls_port==tr1->dtls_port &&
1705                 tr2->tls_port==tr1->tls_port;
1706 }
1707
1708 static int apply_transports(LinphoneCore *lc){
1709         Sal *sal=lc->sal;
1710         const char *anyaddr;
1711         LCSipTransports *tr=&lc->sip_conf.transports;
1712
1713         /*first of all invalidate all current registrations so that we can register again with new transports*/
1714         __linphone_core_invalidate_registers(lc);
1715
1716         if (lc->sip_conf.ipv6_enabled)
1717                 anyaddr="::0";
1718         else
1719                 anyaddr="0.0.0.0";
1720
1721         sal_unlisten_ports(sal);
1722         if (tr->udp_port>0){
1723                 if (sal_listen_port (sal,anyaddr,tr->udp_port,SalTransportUDP,FALSE)!=0){
1724                         transport_error(lc,"udp",tr->udp_port);
1725                         return -1;
1726                 }
1727         }
1728         if (tr->tcp_port>0){
1729                 if (sal_listen_port (sal,anyaddr,tr->tcp_port,SalTransportTCP,FALSE)!=0){
1730                         transport_error(lc,"tcp",tr->tcp_port);
1731                 }
1732         }
1733         if (tr->tls_port>0){
1734                 if (sal_listen_port (sal,anyaddr,tr->tls_port,SalTransportTLS,TRUE)!=0){
1735                         transport_error(lc,"tls",tr->tls_port);
1736                 }
1737         }
1738         apply_user_agent(lc);
1739         return 0;
1740 }
1741
1742 /**
1743  * Sets the ports to be used for each of transport (UDP or TCP)
1744  *
1745  * A zero value port for a given transport means the transport
1746  * is not used.
1747  *
1748  * @ingroup network_parameters
1749 **/
1750 int linphone_core_set_sip_transports(LinphoneCore *lc, const LCSipTransports * tr){
1751
1752         if (transports_unchanged(tr,&lc->sip_conf.transports))
1753                 return 0;
1754         memcpy(&lc->sip_conf.transports,tr,sizeof(*tr));
1755
1756         if (linphone_core_ready(lc)){
1757                 lp_config_set_int(lc->config,"sip","sip_port",tr->udp_port);
1758                 lp_config_set_int(lc->config,"sip","sip_tcp_port",tr->tcp_port);
1759                 lp_config_set_int(lc->config,"sip","sip_tls_port",tr->tls_port);
1760         }
1761
1762         if (lc->sal==NULL) return 0;
1763         return apply_transports(lc);
1764 }
1765
1766 /**
1767  * Retrieves the ports used for each transport (udp, tcp).
1768  * A zero value port for a given transport means the transport
1769  * is not used.
1770  * @ingroup network_parameters
1771 **/
1772 int linphone_core_get_sip_transports(LinphoneCore *lc, LCSipTransports *tr){
1773         memcpy(tr,&lc->sip_conf.transports,sizeof(*tr));
1774         return 0;
1775 }
1776
1777 /**
1778  * Sets the UDP port to be used by SIP.
1779  *
1780  * Deprecated: use linphone_core_set_sip_transports() instead.
1781  * @ingroup network_parameters
1782 **/
1783 void linphone_core_set_sip_port(LinphoneCore *lc,int port)
1784 {
1785         LCSipTransports tr;
1786         memset(&tr,0,sizeof(tr));
1787         tr.udp_port=port;
1788         linphone_core_set_sip_transports (lc,&tr);
1789 }
1790
1791 /**
1792  * Returns TRUE if IPv6 is enabled.
1793  *
1794  * @ingroup network_parameters
1795  * See linphone_core_enable_ipv6() for more details on how IPv6 is supported in liblinphone.
1796 **/
1797 bool_t linphone_core_ipv6_enabled(LinphoneCore *lc){
1798         return lc->sip_conf.ipv6_enabled;
1799 }
1800
1801 /**
1802  * Turns IPv6 support on or off.
1803  *
1804  * @ingroup network_parameters
1805  *
1806  * @note IPv6 support is exclusive with IPv4 in liblinphone:
1807  * when IPv6 is turned on, IPv4 calls won't be possible anymore.
1808  * By default IPv6 support is off.
1809 **/
1810 void linphone_core_enable_ipv6(LinphoneCore *lc, bool_t val){
1811         if (lc->sip_conf.ipv6_enabled!=val){
1812                 lc->sip_conf.ipv6_enabled=val;
1813                 if (lc->sal){
1814                         /* we need to restart eXosip */
1815                         apply_transports(lc);
1816                 }
1817         }
1818 }
1819
1820
1821 static void monitor_network_state(LinphoneCore *lc, time_t curtime){
1822         char result[LINPHONE_IPADDR_SIZE];
1823         bool_t new_status=lc->network_last_status;
1824
1825         /* only do the network up checking every five seconds */
1826         if (lc->network_last_check==0 || (curtime-lc->network_last_check)>=5){
1827                 linphone_core_get_local_ip_for(lc->sip_conf.ipv6_enabled ? AF_INET6 : AF_INET,NULL,result);
1828                 if (strcmp(result,"::1")!=0 && strcmp(result,"127.0.0.1")!=0){
1829                         new_status=TRUE;
1830                 }else new_status=FALSE;
1831                 lc->network_last_check=curtime;
1832                 if (new_status!=lc->network_last_status) {
1833                         if (new_status){
1834                                 ms_message("New local ip address is %s",result);
1835                         }
1836                         set_network_reachable(lc,new_status, curtime);
1837                         lc->network_last_status=new_status;
1838                 }
1839         }
1840 }
1841
1842 static void proxy_update(LinphoneCore *lc){
1843         MSList *elem,*next;
1844         ms_list_for_each(lc->sip_conf.proxies,(void (*)(void*))&linphone_proxy_config_update);
1845         for(elem=lc->sip_conf.deleted_proxies;elem!=NULL;elem=next){
1846                 LinphoneProxyConfig* cfg = (LinphoneProxyConfig*)elem->data;
1847                 next=elem->next;
1848                 if (ms_time(NULL) - cfg->deletion_date > 5) {
1849                         lc->sip_conf.deleted_proxies =ms_list_remove_link(lc->sip_conf.deleted_proxies,elem);
1850                         ms_message("clearing proxy config for [%s]",linphone_proxy_config_get_addr(cfg));
1851                         linphone_proxy_config_destroy(cfg);
1852                 }
1853         }
1854 }
1855
1856 static void assign_buddy_info(LinphoneCore *lc, BuddyInfo *info){
1857         LinphoneFriend *lf=linphone_core_get_friend_by_address(lc,info->sip_uri);
1858         if (lf!=NULL){
1859                 lf->info=info;
1860                 ms_message("%s has a BuddyInfo assigned with image %p",info->sip_uri, info->image_data);
1861                 if (lc->vtable.buddy_info_updated)
1862                         lc->vtable.buddy_info_updated(lc,lf);
1863         }else{
1864                 ms_warning("Could not any friend with uri %s",info->sip_uri);
1865         }
1866 }
1867
1868 static void analyze_buddy_lookup_results(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1869         MSList *elem;
1870         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1871         for (elem=lc->bl_reqs;elem!=NULL;elem=ms_list_next(elem)){
1872                 BuddyLookupRequest *req=(BuddyLookupRequest *)elem->data;
1873                 if (req->status==BuddyLookupDone || req->status==BuddyLookupFailure){
1874                         if (req->results!=NULL){
1875                                 BuddyInfo *i=(BuddyInfo*)req->results->data;
1876                                 ms_list_free(req->results);
1877                                 req->results=NULL;
1878                                 assign_buddy_info(lc,i);
1879                         }
1880                         sip_setup_context_buddy_lookup_free(ctx,req);
1881                         elem->data=NULL;
1882                 }
1883         }
1884         /*purge completed requests */
1885         while((elem=ms_list_find(lc->bl_reqs,NULL))!=NULL){
1886                 lc->bl_reqs=ms_list_remove_link(lc->bl_reqs,elem);
1887         }
1888 }
1889
1890 static void linphone_core_grab_buddy_infos(LinphoneCore *lc, LinphoneProxyConfig *cfg){
1891         const MSList *elem;
1892         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1893         for(elem=linphone_core_get_friend_list(lc);elem!=NULL;elem=elem->next){
1894                 LinphoneFriend *lf=(LinphoneFriend*)elem->data;
1895                 if (lf->info==NULL){
1896                         if (linphone_core_lookup_known_proxy(lc,lf->uri)==cfg){
1897                                 if (linphone_address_get_username(lf->uri)!=NULL){
1898                                         BuddyLookupRequest *req;
1899                                         char *tmp=linphone_address_as_string_uri_only(lf->uri);
1900                                         req=sip_setup_context_create_buddy_lookup_request(ctx);
1901                                         buddy_lookup_request_set_key(req,tmp);
1902                                         buddy_lookup_request_set_max_results(req,1);
1903                                         sip_setup_context_buddy_lookup_submit(ctx,req);
1904                                         lc->bl_reqs=ms_list_append(lc->bl_reqs,req);
1905                                         ms_free(tmp);
1906                                 }
1907                         }
1908                 }
1909         }
1910 }
1911
1912 static void linphone_core_do_plugin_tasks(LinphoneCore *lc){
1913         LinphoneProxyConfig *cfg=NULL;
1914         linphone_core_get_default_proxy(lc,&cfg);
1915         if (cfg){
1916                 if (lc->bl_refresh){
1917                         SipSetupContext *ctx=linphone_proxy_config_get_sip_setup_context(cfg);
1918                         if (ctx && (sip_setup_context_get_capabilities(ctx) & SIP_SETUP_CAP_BUDDY_LOOKUP)){
1919                                 linphone_core_grab_buddy_infos(lc,cfg);
1920                                 lc->bl_refresh=FALSE;
1921                         }
1922                 }
1923                 if (lc->bl_reqs) analyze_buddy_lookup_results(lc,cfg);
1924         }
1925 }
1926
1927 /**
1928  * Main loop function. It is crucial that your application call it periodically.
1929  *
1930  * @ingroup initializing
1931  * linphone_core_iterate() performs various backgrounds tasks:
1932  * - receiving of SIP messages
1933  * - handles timers and timeout
1934  * - performs registration to proxies
1935  * - authentication retries
1936  * The application MUST call this function periodically, in its main loop.
1937  * Be careful that this function must be called from the same thread as
1938  * other liblinphone methods. If it is not the case make sure all liblinphone calls are
1939  * serialized with a mutex.
1940 **/
1941 void linphone_core_iterate(LinphoneCore *lc){
1942         MSList *calls;
1943         LinphoneCall *call;
1944         time_t curtime=time(NULL);
1945         int elapsed;
1946         bool_t one_second_elapsed=FALSE;
1947
1948         if (curtime-lc->prevtime>=1){
1949                 lc->prevtime=curtime;
1950                 one_second_elapsed=TRUE;
1951         }
1952
1953         if (lc->ecc!=NULL){
1954                 LinphoneEcCalibratorStatus ecs=ec_calibrator_get_status(lc->ecc);
1955                 if (ecs!=LinphoneEcCalibratorInProgress){
1956                         if (lc->ecc->cb)
1957                                 lc->ecc->cb(lc,ecs,lc->ecc->delay,lc->ecc->cb_data);
1958                         if (ecs==LinphoneEcCalibratorDone){
1959                                 int len=lp_config_get_int(lc->config,"sound","ec_tail_len",0);
1960                                 lp_config_set_int(lc->config, "sound", "ec_delay",MAX(lc->ecc->delay-(len/2),0));
1961                         } else if (ecs == LinphoneEcCalibratorFailed) {
1962                                 lp_config_set_int(lc->config, "sound", "ec_delay", LP_CONFIG_DEFAULT_INT(lc->config, "ec_delay", 250));
1963                         } else if (ecs == LinphoneEcCalibratorDoneNoEcho) {
1964                                 linphone_core_enable_echo_cancellation(lc, FALSE);
1965                         }
1966                         ec_calibrator_destroy(lc->ecc);
1967                         lc->ecc=NULL;
1968                 }
1969         }
1970
1971         if (lc->preview_finished){
1972                 lc->preview_finished=0;
1973                 ring_stop(lc->ringstream);
1974                 lc->ringstream=NULL;
1975                 lc_callback_obj_invoke(&lc->preview_finished_cb,lc);
1976         }
1977
1978         if (lc->ringstream && lc->ringstream_autorelease && lc->dmfs_playing_start_time!=0
1979             && (curtime-lc->dmfs_playing_start_time)>5){
1980                 ring_stop(lc->ringstream);
1981                 lc->ringstream=NULL;
1982                 lc->dmfs_playing_start_time=0;
1983         }
1984
1985         sal_iterate(lc->sal);
1986         if (lc->msevq) ms_event_queue_pump(lc->msevq);
1987         if (lc->auto_net_state_mon) monitor_network_state(lc,curtime);
1988
1989         proxy_update(lc);
1990
1991         //we have to iterate for each call
1992         calls= lc->calls;
1993         while(calls!= NULL){
1994                 call = (LinphoneCall *)calls->data;
1995                 elapsed = curtime-call->start_time;
1996                  /* get immediately a reference to next one in case the one
1997                  we are going to examine is destroy and removed during
1998                  linphone_core_start_invite() */
1999                 calls=calls->next;
2000                 linphone_call_background_tasks(call,one_second_elapsed);
2001                 if (call->state==LinphoneCallOutgoingInit && (curtime-call->start_time>=2)){
2002                         /*start the call even if the OPTIONS reply did not arrive*/
2003                         if (call->ice_session != NULL) {
2004                                 ms_warning("ICE candidates gathering from [%s] has not finished yet, proceed with the call without ICE anyway."
2005                                                 ,linphone_core_get_stun_server(lc));
2006                                 linphone_call_delete_ice_session(call);
2007                                 linphone_call_stop_media_streams_for_ice_gathering(call);
2008                         }
2009                         linphone_core_start_invite(lc,call);
2010                 }
2011                 if (call->state==LinphoneCallIncomingReceived){
2012                         ms_message("incoming call ringing for %i seconds",elapsed);
2013                         if (elapsed>lc->sip_conf.inc_timeout){
2014                                 ms_message("incoming call timeout (%i)",lc->sip_conf.inc_timeout);
2015                                 call->log->status=LinphoneCallMissed;
2016                                 call->reason=LinphoneReasonNotAnswered;
2017                                 linphone_core_terminate_call(lc,call);
2018                         }
2019                 }
2020                 if (lc->sip_conf.in_call_timeout > 0 && elapsed>lc->sip_conf.in_call_timeout) {
2021                         ms_message("in call timeout (%i)",lc->sip_conf.in_call_timeout);
2022                         linphone_core_terminate_call(lc,call);
2023                 }
2024         }
2025
2026         if (linphone_core_video_preview_enabled(lc)){
2027                 if (lc->previewstream==NULL && lc->calls==NULL)
2028                         toggle_video_preview(lc,TRUE);
2029 #ifdef VIDEO_ENABLED
2030                 if (lc->previewstream) video_stream_iterate(lc->previewstream);
2031 #endif
2032         }else{
2033                 if (lc->previewstream!=NULL)
2034                         toggle_video_preview(lc,FALSE);
2035         }
2036
2037         linphone_core_run_hooks(lc);
2038         linphone_core_do_plugin_tasks(lc);
2039
2040         if (lc->initial_subscribes_sent==FALSE && lc->netup_time!=0 &&
2041             (curtime-lc->netup_time)>3){
2042                 linphone_core_send_initial_subscribes(lc);
2043                 lc->initial_subscribes_sent=TRUE;
2044         }
2045
2046         if (one_second_elapsed && lp_config_needs_commit(lc->config)){
2047                 lp_config_sync(lc->config);
2048         }
2049 }
2050
2051 /**
2052  * Interpret a call destination as supplied by the user, and returns a fully qualified
2053  * LinphoneAddress.
2054  *
2055  * A sip address should look like DisplayName <sip:username@domain:port> .
2056  * Basically this function performs the following tasks
2057  * - if a phone number is entered, prepend country prefix of the default proxy
2058  *   configuration, eventually escape the '+' by 00.
2059  * - if no domain part is supplied, append the domain name of the default proxy
2060  * - if no sip: is present, prepend it
2061  *
2062  * The result is a syntaxically correct SIP address.
2063 **/
2064
2065 LinphoneAddress * linphone_core_interpret_url(LinphoneCore *lc, const char *url){
2066         enum_lookup_res_t *enumres=NULL;
2067         char *enum_domain=NULL;
2068         LinphoneProxyConfig *proxy=lc->default_proxy;;
2069         char *tmpurl;
2070         LinphoneAddress *uri;
2071
2072         if (is_enum(url,&enum_domain)){
2073                 if (lc->vtable.display_status!=NULL)
2074                         lc->vtable.display_status(lc,_("Looking for telephone number destination..."));
2075                 if (enum_lookup(enum_domain,&enumres)<0){
2076                         if (lc->vtable.display_status!=NULL)
2077                                 lc->vtable.display_status(lc,_("Could not resolve this number."));
2078                         ms_free(enum_domain);
2079                         return NULL;
2080                 }
2081                 ms_free(enum_domain);
2082                 tmpurl=enumres->sip_address[0];
2083                 uri=linphone_address_new(tmpurl);
2084                 enum_lookup_res_free(enumres);
2085                 return uri;
2086         }
2087         /* check if we have a "sip:" */
2088         if (strstr(url,"sip:")==NULL){
2089                 /* this doesn't look like a true sip uri */
2090                 if (strchr(url,'@')!=NULL){
2091                         /* seems like sip: is missing !*/
2092                         tmpurl=ms_strdup_printf("sip:%s",url);
2093                         uri=linphone_address_new(tmpurl);
2094                         ms_free(tmpurl);
2095                         if (uri){
2096                                 return uri;
2097                         }
2098                 }
2099
2100                 if (proxy!=NULL){
2101                         /* append the proxy domain suffix */
2102                         const char *identity=linphone_proxy_config_get_identity(proxy);
2103                         char normalized_username[128];
2104                         uri=linphone_address_new(identity);
2105                         if (uri==NULL){
2106                                 return NULL;
2107                         }
2108                         linphone_address_set_display_name(uri,NULL);
2109                         linphone_proxy_config_normalize_number(proxy,url,normalized_username,
2110                                                                 sizeof(normalized_username));
2111                         linphone_address_set_username(uri,normalized_username);
2112                         return uri;
2113                 }else return NULL;
2114         }
2115         uri=linphone_address_new(url);
2116         if (uri!=NULL){
2117                 return uri;
2118         }
2119         /* else we could not do anything with url given by user, so display an error */
2120         if (lc->vtable.display_warning!=NULL){
2121                 lc->vtable.display_warning(lc,_("Could not parse given sip address. A sip url usually looks like sip:user@domain"));
2122         }
2123         return NULL;
2124 }
2125
2126 /**
2127  * Returns the default identity SIP address.
2128  *
2129  * @ingroup proxies
2130  * This is an helper function:
2131  *
2132  * If no default proxy is set, this will return the primary contact (
2133  * see linphone_core_get_primary_contact() ). If a default proxy is set
2134  * it returns the registered identity on the proxy.
2135 **/
2136 const char * linphone_core_get_identity(LinphoneCore *lc){
2137         LinphoneProxyConfig *proxy=NULL;
2138         const char *from;
2139         linphone_core_get_default_proxy(lc,&proxy);
2140         if (proxy!=NULL) {
2141                 from=linphone_proxy_config_get_identity(proxy);
2142         }else from=linphone_core_get_primary_contact(lc);
2143         return from;
2144 }
2145
2146 const char * linphone_core_get_route(LinphoneCore *lc){
2147         LinphoneProxyConfig *proxy=NULL;
2148         const char *route=NULL;
2149         linphone_core_get_default_proxy(lc,&proxy);
2150         if (proxy!=NULL) {
2151                 route=linphone_proxy_config_get_route(proxy);
2152         }
2153         return route;
2154 }
2155
2156 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call){
2157         if (call->refer_pending){
2158                 LinphoneCallParams *cp=linphone_core_create_default_call_parameters(lc);
2159                 LinphoneCall *newcall;
2160                 cp->has_video &= !!lc->video_policy.automatically_initiate;
2161                 cp->referer=call;
2162                 ms_message("Starting new call to refered address %s",call->refer_to);
2163                 call->refer_pending=FALSE;
2164                 newcall=linphone_core_invite_with_params(lc,call->refer_to,cp);
2165                 linphone_call_params_destroy(cp);
2166                 if (newcall) linphone_core_notify_refer_state(lc,call,newcall);
2167         }
2168 }
2169
2170 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall){
2171         if (referer->op!=NULL){
2172                 sal_call_notify_refer_state(referer->op,newcall ? newcall->op : NULL);
2173         }
2174 }
2175
2176 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri){
2177         const MSList *elem;
2178         LinphoneProxyConfig *found_cfg=NULL;
2179         LinphoneProxyConfig *default_cfg=lc->default_proxy;
2180
2181         /*always prefer the default proxy if it is matching the destination uri*/
2182         if (default_cfg){
2183                 const char *domain=linphone_proxy_config_get_domain(default_cfg);
2184                 if (strcmp(domain,linphone_address_get_domain(uri))==0)
2185                         return default_cfg;
2186         }
2187
2188         /*otherwise iterate through the other proxy config and return the first matching*/
2189         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=elem->next){
2190                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
2191                 const char *domain=linphone_proxy_config_get_domain(cfg);
2192                 if (domain!=NULL && strcmp(domain,linphone_address_get_domain(uri))==0){
2193                         found_cfg=cfg;
2194                         break;
2195                 }
2196         }
2197         return found_cfg;
2198 }
2199
2200 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route){
2201         LinphoneProxyConfig *cfg=linphone_core_lookup_known_proxy(lc,to);
2202         if (cfg==NULL)
2203                 linphone_core_get_default_proxy (lc,&cfg);
2204         if (cfg!=NULL){
2205                 if (route) *route=linphone_proxy_config_get_route(cfg);
2206                 return linphone_proxy_config_get_identity (cfg);
2207         }
2208         return linphone_core_get_primary_contact (lc);
2209 }
2210
2211 static char *get_fixed_contact(LinphoneCore *lc, LinphoneCall *call , LinphoneProxyConfig *dest_proxy){
2212         LinphoneAddress *ctt;
2213         const char *localip=call->localip;
2214
2215         /* first use user's supplied ip address if asked*/
2216         if (linphone_core_get_firewall_policy(lc)==LinphonePolicyUseNatAddress){
2217                 ctt=linphone_core_get_primary_contact_parsed(lc);
2218                 return ms_strdup_printf("sip:%s@%s",linphone_address_get_username(ctt),
2219                         linphone_core_get_nat_address_resolved(lc));
2220         }
2221
2222         /* if already choosed, don't change it */
2223         if (call->op && sal_op_get_contact(call->op)!=NULL){
2224                 return NULL;
2225         }
2226         /* if the ping OPTIONS request succeeded use the contact guessed from the
2227          received, rport*/
2228         if (call->ping_op){
2229                 const char *guessed=sal_op_get_contact(call->ping_op);
2230                 if (guessed){
2231                         ms_message("Contact has been fixed using OPTIONS to %s",guessed);
2232                         return ms_strdup(guessed);
2233                 }
2234         }
2235
2236         /*if using a proxy, use the contact address as guessed with the REGISTERs*/
2237         if (dest_proxy && dest_proxy->op){
2238                 const char *fixed_contact=sal_op_get_contact(dest_proxy->op);
2239                 if (fixed_contact) {
2240                         ms_message("Contact has been fixed using proxy to %s",fixed_contact);
2241                         return ms_strdup(fixed_contact);
2242                 }
2243         }
2244
2245         ctt=linphone_core_get_primary_contact_parsed(lc);
2246
2247         if (ctt!=NULL){
2248                 char *ret;
2249                 /*otherwise use supllied localip*/
2250                 linphone_address_set_domain(ctt,localip);
2251                 linphone_address_set_port_int(ctt,linphone_core_get_sip_port(lc));
2252                 ret=linphone_address_as_string_uri_only(ctt);
2253                 linphone_address_destroy(ctt);
2254                 ms_message("Contact has been fixed using local ip to %s",ret);
2255                 return ret;
2256         }
2257         return NULL;
2258 }
2259
2260 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy){
2261         bool_t ice_ready = FALSE;
2262         bool_t ping_ready = FALSE;
2263
2264         if (call->ice_session != NULL) {
2265                 if (ice_session_candidates_gathered(call->ice_session)) ice_ready = TRUE;
2266         } else {
2267                 ice_ready = TRUE;
2268         }
2269         if (call->ping_op != NULL) {
2270                 if (call->ping_replied == TRUE) ping_ready = TRUE;
2271         } else {
2272                 ping_ready = TRUE;
2273         }
2274
2275         if ((ice_ready == TRUE) && (ping_ready == TRUE)) {
2276                 return linphone_core_start_invite(lc, call);
2277         }
2278         return 0;
2279 }
2280
2281 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call){
2282         int err;
2283         char *contact;
2284         char *real_url,*barmsg;
2285         char *from;
2286         LinphoneProxyConfig *dest_proxy=call->dest_proxy;
2287
2288         /*try to be best-effort in giving real local or routable contact address */
2289         contact=get_fixed_contact(lc,call,dest_proxy);
2290         if (contact){
2291                 sal_op_set_contact(call->op, contact);
2292                 ms_free(contact);
2293         }
2294         linphone_core_stop_dtmf_stream(lc);
2295         linphone_call_init_media_streams(call);
2296         if (lc->ringstream==NULL)
2297                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2298         linphone_call_make_local_media_description(lc,call);
2299         if (!lc->sip_conf.sdp_200_ack){
2300                 call->media_pending=TRUE;
2301                 sal_call_set_local_media_description(call->op,call->localdesc);
2302         }
2303         real_url=linphone_address_as_string(call->log->to);
2304         from=linphone_address_as_string(call->log->from);
2305         err=sal_call(call->op,from,real_url);
2306         call->log->call_id=ms_strdup(sal_op_get_call_id(call->op)); /*must be known at that time*/
2307
2308         if (lc->sip_conf.sdp_200_ack){
2309                 call->media_pending=TRUE;
2310                 sal_call_set_local_media_description(call->op,call->localdesc);
2311         }
2312         barmsg=ortp_strdup_printf("%s %s", _("Contacting"), real_url);
2313         if (lc->vtable.display_status!=NULL)
2314                 lc->vtable.display_status(lc,barmsg);
2315         ms_free(barmsg);
2316
2317         if (err<0){
2318                 if (lc->vtable.display_status!=NULL)
2319                         lc->vtable.display_status(lc,_("Could not call"));
2320                 linphone_call_stop_media_streams(call);
2321                 linphone_call_set_state(call,LinphoneCallError,"Call failed");
2322         }else {
2323                 linphone_call_set_state(call,LinphoneCallOutgoingProgress,"Outgoing call in progress");
2324         }
2325         ms_free(real_url);
2326         ms_free(from);
2327         return err;
2328 }
2329
2330 /**
2331  * Initiates an outgoing call
2332  *
2333  * @ingroup call_control
2334  * @param lc the LinphoneCore object
2335  * @param url the destination of the call (sip address, or phone number).
2336  *
2337  * The application doesn't own a reference to the returned LinphoneCall object.
2338  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2339  *
2340  * @return a LinphoneCall object or NULL in case of failure
2341 **/
2342 LinphoneCall * linphone_core_invite(LinphoneCore *lc, const char *url){
2343         LinphoneCall *call;
2344         LinphoneCallParams *p=linphone_core_create_default_call_parameters (lc);
2345         p->has_video &= !!lc->video_policy.automatically_initiate;
2346         call=linphone_core_invite_with_params(lc,url,p);
2347         linphone_call_params_destroy(p);
2348         return call;
2349 }
2350
2351
2352 /**
2353  * Initiates an outgoing call according to supplied call parameters
2354  *
2355  * @ingroup call_control
2356  * @param lc the LinphoneCore object
2357  * @param url the destination of the call (sip address, or phone number).
2358  * @param p call parameters
2359  *
2360  * The application doesn't own a reference to the returned LinphoneCall object.
2361  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2362  *
2363  * @return a LinphoneCall object or NULL in case of failure
2364 **/
2365 LinphoneCall * linphone_core_invite_with_params(LinphoneCore *lc, const char *url, const LinphoneCallParams *p){
2366         LinphoneAddress *addr=linphone_core_interpret_url(lc,url);
2367         if (addr){
2368                 LinphoneCall *call;
2369                 call=linphone_core_invite_address_with_params(lc,addr,p);
2370                 linphone_address_destroy(addr);
2371                 return call;
2372         }
2373         return NULL;
2374 }
2375
2376 /**
2377  * Initiates an outgoing call given a destination LinphoneAddress
2378  *
2379  * @ingroup call_control
2380  * @param lc the LinphoneCore object
2381  * @param addr the destination of the call (sip address).
2382  *
2383  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2384  * created by linphone_core_interpret_url().
2385  * The application doesn't own a reference to the returned LinphoneCall object.
2386  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2387  *
2388  * @return a LinphoneCall object or NULL in case of failure
2389 **/
2390 LinphoneCall * linphone_core_invite_address(LinphoneCore *lc, const LinphoneAddress *addr){
2391         LinphoneCall *call;
2392         LinphoneCallParams *p=linphone_core_create_default_call_parameters(lc);
2393         p->has_video &= !!lc->video_policy.automatically_initiate;
2394         call=linphone_core_invite_address_with_params (lc,addr,p);
2395         linphone_call_params_destroy(p);
2396         return call;
2397 }
2398
2399
2400 /**
2401  * Initiates an outgoing call given a destination LinphoneAddress
2402  *
2403  * @ingroup call_control
2404  * @param lc the LinphoneCore object
2405  * @param addr the destination of the call (sip address).
2406         @param params call parameters
2407  *
2408  * The LinphoneAddress can be constructed directly using linphone_address_new(), or
2409  * created by linphone_core_interpret_url().
2410  * The application doesn't own a reference to the returned LinphoneCall object.
2411  * Use linphone_call_ref() to safely keep the LinphoneCall pointer valid within your application.
2412  *
2413  * @return a LinphoneCall object or NULL in case of failure
2414 **/
2415 LinphoneCall * linphone_core_invite_address_with_params(LinphoneCore *lc, const LinphoneAddress *addr, const LinphoneCallParams *params)
2416 {
2417         const char *route=NULL;
2418         const char *from=NULL;
2419         LinphoneProxyConfig *proxy=NULL,*dest_proxy=NULL;
2420         LinphoneAddress *parsed_url2=NULL;
2421         char *real_url=NULL;
2422         LinphoneCall *call;
2423         bool_t use_ice = FALSE;
2424
2425         linphone_core_preempt_sound_resources(lc);
2426
2427         if(!linphone_core_can_we_add_call(lc)){
2428                 if (lc->vtable.display_warning)
2429                         lc->vtable.display_warning(lc,_("Sorry, we have reached the maximum number of simultaneous calls"));
2430                 return NULL;
2431         }
2432         linphone_core_get_default_proxy(lc,&proxy);
2433         route=linphone_core_get_route(lc);
2434
2435         real_url=linphone_address_as_string(addr);
2436         dest_proxy=linphone_core_lookup_known_proxy(lc,addr);
2437
2438         if (proxy!=dest_proxy && dest_proxy!=NULL) {
2439                 ms_message("Overriding default proxy setting for this call:");
2440                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(dest_proxy));
2441         }
2442
2443         if (dest_proxy!=NULL)
2444                 from=linphone_proxy_config_get_identity(dest_proxy);
2445         else if (proxy!=NULL)
2446                 from=linphone_proxy_config_get_identity(proxy);
2447
2448         /* if no proxy or no identity defined for this proxy, default to primary contact*/
2449         if (from==NULL) from=linphone_core_get_primary_contact(lc);
2450
2451         parsed_url2=linphone_address_new(from);
2452
2453         call=linphone_call_new_outgoing(lc,parsed_url2,linphone_address_clone(addr),params);
2454         call->dest_proxy=dest_proxy;
2455         sal_op_set_route(call->op,route);
2456
2457         if(linphone_core_add_call(lc,call)!= 0)
2458         {
2459                 ms_warning("we had a problem in adding the call into the invite ... weird");
2460                 linphone_call_unref(call);
2461                 return NULL;
2462         }
2463         /* this call becomes now the current one*/
2464         lc->current_call=call;
2465         linphone_call_set_state (call,LinphoneCallOutgoingInit,"Starting outgoing call");
2466         if (linphone_core_get_firewall_policy(call->core) == LinphonePolicyUseIce) {
2467                 /* Defer the start of the call after the ICE gathering process. */
2468                 linphone_call_init_media_streams(call);
2469                 linphone_call_start_media_streams_for_ice_gathering(call);
2470                 call->start_time=time(NULL);
2471                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2472                         /* Ice candidates gathering failed, proceed with the call anyway. */
2473                         linphone_call_delete_ice_session(call);
2474                         linphone_call_stop_media_streams_for_ice_gathering(call);
2475                 } else {
2476                         use_ice = TRUE;
2477                 }
2478         }
2479
2480         if (call->dest_proxy==NULL && lc->sip_conf.ping_with_options==TRUE){
2481                 /*defer the start of the call after the OPTIONS ping*/
2482                 call->ping_replied=FALSE;
2483                 call->ping_op=sal_op_new(lc->sal);
2484                 sal_ping(call->ping_op,from,real_url);
2485                 sal_op_set_user_pointer(call->ping_op,call);
2486                 call->start_time=time(NULL);
2487         }else{
2488                 if (use_ice==FALSE) linphone_core_start_invite(lc,call);
2489         }
2490
2491         if (real_url!=NULL) ms_free(real_url);
2492         return call;
2493 }
2494
2495 /**
2496  * Performs a simple call transfer to the specified destination.
2497  *
2498  * The remote endpoint is expected to issue a new call to the specified destination.
2499  * The current call remains active and thus can be later paused or terminated.
2500 **/
2501 int linphone_core_transfer_call(LinphoneCore *lc, LinphoneCall *call, const char *url)
2502 {
2503         char *real_url=NULL;
2504         LinphoneAddress *real_parsed_url=linphone_core_interpret_url(lc,url);
2505
2506         if (!real_parsed_url){
2507                 /* bad url */
2508                 return -1;
2509         }
2510         if (call==NULL){
2511                 ms_warning("No established call to refer.");
2512                 return -1;
2513         }
2514         //lc->call=NULL; //Do not do that you will lose the call afterward . . .
2515         real_url=linphone_address_as_string (real_parsed_url);
2516         sal_call_refer(call->op,real_url);
2517         ms_free(real_url);
2518         linphone_address_destroy(real_parsed_url);
2519         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2520         return 0;
2521 }
2522
2523 /**
2524  * Transfer a call to destination of another running call. This is used for "attended transfer" scenarios.
2525  * @param lc linphone core object
2526  * @param call a running call you want to transfer
2527  * @param dest a running call whose remote person will receive the transfer
2528  *
2529  * The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
2530  * The destination call is a call previously established to introduce the transfered person.
2531  * This method will send a transfer request to the transfered person. The phone of the transfered is then
2532  * expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
2533  * close the call with us (the 'dest' call).
2534 **/
2535 int linphone_core_transfer_call_to_another(LinphoneCore *lc, LinphoneCall *call, LinphoneCall *dest){
2536         int result = sal_call_refer_with_replaces (call->op,dest->op);
2537         linphone_call_set_transfer_state(call, LinphoneCallOutgoingInit);
2538         return result;
2539 }
2540
2541 bool_t linphone_core_inc_invite_pending(LinphoneCore*lc){
2542         LinphoneCall *call = linphone_core_get_current_call(lc);
2543         if(call != NULL)
2544         {
2545                 if(call->dir==LinphoneCallIncoming
2546                         && (call->state == LinphoneCallIncomingReceived || call->state ==  LinphoneCallIncomingEarlyMedia))
2547                         return TRUE;
2548         }
2549         return FALSE;
2550 }
2551
2552 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call){
2553         char *barmesg;
2554         char *tmp;
2555         LinphoneAddress *from_parsed;
2556         SalMediaDescription *md;
2557         bool_t propose_early_media=lp_config_get_int(lc->config,"sip","incoming_calls_early_media",FALSE);
2558         const char *ringback_tone=linphone_core_get_remote_ringback_tone (lc);
2559
2560         linphone_call_make_local_media_description(lc,call);
2561         sal_call_set_local_media_description(call->op,call->localdesc);
2562         md=sal_call_get_final_media_description(call->op);
2563         if (md && sal_media_description_empty(md)){
2564                 sal_call_decline(call->op,SalReasonMedia,NULL);
2565                 linphone_call_unref(call);
2566                 return;
2567         }
2568
2569         from_parsed=linphone_address_new(sal_op_get_from(call->op));
2570         linphone_address_clean(from_parsed);
2571         tmp=linphone_address_as_string(from_parsed);
2572         linphone_address_destroy(from_parsed);
2573         barmesg=ortp_strdup_printf("%s %s%s",tmp,_("is contacting you"),
2574             (sal_call_autoanswer_asked(call->op)) ?_(" and asked autoanswer."):_("."));
2575         if (lc->vtable.show) lc->vtable.show(lc);
2576         if (lc->vtable.display_status)
2577             lc->vtable.display_status(lc,barmesg);
2578
2579         /* play the ring if this is the only call*/
2580         if (ms_list_size(lc->calls)==1){
2581                 lc->current_call=call;
2582                 if (lc->ringstream && lc->dmfs_playing_start_time!=0){
2583                         ring_stop(lc->ringstream);
2584                         lc->ringstream=NULL;
2585                         lc->dmfs_playing_start_time=0;
2586                 }
2587                 if (lc->sound_conf.ring_sndcard!=NULL){
2588                         if(lc->ringstream==NULL && lc->sound_conf.local_ring){
2589                                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
2590                                 ms_message("Starting local ring...");
2591                                 lc->ringstream=ring_start(lc->sound_conf.local_ring,2000,ringcard);
2592                         }
2593                         else
2594                         {
2595                                 ms_message("the local ring is already started");
2596                         }
2597                 }
2598         }else{
2599                 /* else play a tone within the context of the current call */
2600                 call->ringing_beep=TRUE;
2601                 linphone_core_play_tone(lc);
2602         }
2603
2604         linphone_call_set_state(call,LinphoneCallIncomingReceived,"Incoming call");
2605
2606         if (call->state==LinphoneCallIncomingReceived){
2607                 sal_call_notify_ringing(call->op,propose_early_media || ringback_tone!=NULL);
2608
2609                 if (propose_early_media || ringback_tone!=NULL){
2610                         linphone_call_set_state(call,LinphoneCallIncomingEarlyMedia,"Incoming call early media");
2611                         md=sal_call_get_final_media_description(call->op);
2612                         linphone_core_update_streams(lc,call,md);
2613                 }
2614                 if (sal_call_get_replaces(call->op)!=NULL && lp_config_get_int(lc->config,"sip","auto_answer_replacing_calls",1)){
2615                         linphone_core_accept_call(lc,call);
2616                 }
2617         }
2618         linphone_call_unref(call);
2619
2620         ms_free(barmesg);
2621         ms_free(tmp);
2622 }
2623
2624 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call){
2625         const char *subject;
2626         call->camera_active=call->params.has_video;
2627         if (call->ice_session != NULL)
2628                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2629
2630         if (call->params.in_conference){
2631                 subject="Conference";
2632         }else{
2633                 subject="Media change";
2634         }
2635         if (lc->vtable.display_status)
2636                 lc->vtable.display_status(lc,_("Modifying call parameters..."));
2637         sal_call_set_local_media_description (call->op,call->localdesc);
2638         return sal_call_update(call->op,subject);
2639 }
2640
2641 /**
2642  * @ingroup call_control
2643  * Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
2644  *
2645  * In this version this is limited to the following use cases:
2646  * - setting up/down the video stream according to the video parameter of the LinphoneCallParams (see linphone_call_params_enable_video() ).
2647  * - changing the size of the transmitted video after calling linphone_core_set_preferred_video_size()
2648  *
2649  * In case no changes are requested through the LinphoneCallParams argument, then this argument can be omitted and set to NULL.
2650  * @param lc the core
2651  * @param call the call to be updated
2652  * @param params the new call parameters to use. (may be NULL)
2653  * @return 0 if successful, -1 otherwise.
2654 **/
2655 int linphone_core_update_call(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2656         int err=0;
2657         if (params!=NULL){
2658                 linphone_call_set_state(call,LinphoneCallUpdating,"Updating call");
2659 #ifdef VIDEO_ENABLED
2660                 bool_t has_video = call->params.has_video;
2661                 if ((call->ice_session != NULL) && (call->videostream != NULL) && !params->has_video) {
2662                         ice_session_remove_check_list(call->ice_session, call->videostream->ms.ice_check_list);
2663                         call->videostream->ms.ice_check_list = NULL;
2664                 }
2665                 call->params = *params;
2666                 linphone_call_make_local_media_description(lc, call);
2667                 if ((call->ice_session != NULL) && !has_video && call->params.has_video) {
2668                         /* Defer call update until the ICE candidates gathering process has finished. */
2669                         ms_message("Defer call update to gather ICE candidates");
2670                         linphone_call_init_video_stream(call);
2671                         video_stream_prepare_video(call->videostream);
2672                         if (linphone_core_gather_ice_candidates(lc,call)<0) {
2673                                 /* Ice candidates gathering failed, proceed with the call anyway. */
2674                                 linphone_call_delete_ice_session(call);
2675                         } else return err;
2676                 }
2677 #endif
2678                 err = linphone_core_start_update_call(lc, call);
2679         }else{
2680 #ifdef VIDEO_ENABLED
2681                 if (call->videostream!=NULL){
2682                         video_stream_set_sent_video_size(call->videostream,linphone_core_get_preferred_video_size(lc));
2683                         if (call->camera_active && call->videostream->cam!=lc->video_conf.device){
2684                                 video_stream_change_camera(call->videostream,lc->video_conf.device);
2685                         }else video_stream_update_video_params(call->videostream);
2686                 }
2687 #endif
2688         }
2689
2690         return err;
2691 }
2692
2693 /**
2694  * @ingroup call_control
2695  * When receiving a #LinphoneCallUpdatedByRemote state notification, prevent LinphoneCore from performing an automatic answer.
2696  *
2697  * When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
2698  * LinphoneCore is to automatically answer the reINIVTE with call parameters unchanged.
2699  * However when for example when the remote party updated the call to propose a video stream, it can be useful
2700  * to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
2701  * the call state notifiacation, to deactivate the automatic answer that would just confirm the audio but reject the video.
2702  * Then, when the user responds to dialog prompt, it becomes possible to call linphone_core_accept_call_update() to answer
2703  * the reINVITE, with eventually video enabled in the LinphoneCallParams argument.
2704  *
2705  * @return 0 if successful, -1 if the linphone_core_defer_call_update() was done outside a #LinphoneCallUpdatedByRemote notification, which is illegal.
2706 **/
2707 int linphone_core_defer_call_update(LinphoneCore *lc, LinphoneCall *call){
2708         if (call->state==LinphoneCallUpdatedByRemote){
2709                 call->defer_update=TRUE;
2710                 return 0;
2711         }
2712         ms_error("linphone_core_defer_call_update() not done in state LinphoneCallUpdatedByRemote");
2713         return -1;
2714 }
2715
2716 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call){
2717         SalMediaDescription *md;
2718         if (call->ice_session != NULL) {
2719                 if (ice_session_nb_losing_pairs(call->ice_session) > 0) {
2720                         /* Defer the sending of the answer until there are no losing pairs left. */
2721                         return 0;
2722                 }
2723                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
2724         }
2725         linphone_call_update_remote_session_id_and_ver(call);
2726         sal_call_set_local_media_description(call->op,call->localdesc);
2727         sal_call_accept(call->op);
2728         md=sal_call_get_final_media_description(call->op);
2729         if (md && !sal_media_description_empty(md))
2730                 linphone_core_update_streams (lc,call,md);
2731         linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2732         return 0;
2733 }
2734
2735 /**
2736  * @ingroup call_control
2737  * Accept call modifications initiated by other end.
2738  *
2739  * This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
2740  * When such notification arrives, the application can decide to call linphone_core_defer_update_call() so that it can
2741  * have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
2742  * requested by the other party, such as whether a video stream is requested.
2743  *
2744  * When the user accepts or refuse the change, linphone_core_accept_call_update() can be done to answer to the other party.
2745  * If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
2746  * If params is not NULL, then the update will be accepted according to the parameters passed.
2747  * Typical example is when a user accepts to start video, then params should indicate that video stream should be used
2748  * (see linphone_call_params_enable_video()).
2749  * @param lc the linphone core object.
2750  * @param call the LinphoneCall object
2751  * @param params a LinphoneCallParams object describing the call parameters to accept.
2752  * @return 0 if sucessful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state).
2753 **/
2754 int linphone_core_accept_call_update(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params){
2755         SalMediaDescription *remote_desc;
2756         bool_t keep_sdp_version;
2757 #ifdef VIDEO_ENABLED
2758         bool_t old_has_video = call->params.has_video;
2759 #endif
2760         if (call->state!=LinphoneCallUpdatedByRemote){
2761                 ms_error("linphone_core_accept_update(): invalid state %s to call this function.",
2762                          linphone_call_state_to_string(call->state));
2763                 return -1;
2764         }
2765         remote_desc = sal_call_get_remote_media_description(call->op);
2766         keep_sdp_version = lp_config_get_int(lc->config, "sip", "keep_sdp_version", 0);
2767         if (keep_sdp_version &&(remote_desc->session_id == call->remote_session_id) && (remote_desc->session_ver == call->remote_session_ver)) {
2768                 /* Remote has sent an INVITE with the same SDP as before, so send a 200 OK with the same SDP as before. */
2769                 ms_warning("SDP version has not changed, send same SDP as before.");
2770                 sal_call_accept(call->op);
2771                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2772                 return 0;
2773         }
2774         if (params==NULL){
2775                 call->params.has_video=lc->video_policy.automatically_accept || call->current_params.has_video;
2776         }else
2777                 call->params=*params;
2778
2779         if (call->params.has_video && !linphone_core_video_enabled(lc)){
2780                 ms_warning("linphone_core_accept_call_update(): requested video but video support is globally disabled. Refusing video.");
2781                 call->params.has_video=FALSE;
2782         }
2783         if (call->current_params.in_conference) {
2784                 ms_warning("Video isn't supported in conference");
2785                 call->params.has_video = FALSE;
2786         }
2787         call->params.has_video &= linphone_core_media_description_contains_video_stream(remote_desc);
2788         call->camera_active=call->params.has_video;
2789         linphone_call_make_local_media_description(lc,call);
2790         if (call->ice_session != NULL) {
2791                 linphone_core_update_ice_from_remote_media_description(call, remote_desc);
2792 #ifdef VIDEO_ENABLED
2793                 if ((call->ice_session != NULL) &&!ice_session_candidates_gathered(call->ice_session)) {
2794                         if ((call->params.has_video) && (call->params.has_video != old_has_video)) {
2795                                 linphone_call_init_video_stream(call);
2796                                 video_stream_prepare_video(call->videostream);
2797                                 if (linphone_core_gather_ice_candidates(lc,call)<0) {
2798                                         /* Ice candidates gathering failed, proceed with the call anyway. */
2799                                         linphone_call_delete_ice_session(call);
2800                                 } else return 0;
2801                         }
2802                 }
2803 #endif
2804         }
2805         linphone_core_start_accept_call_update(lc, call);
2806         return 0;
2807 }
2808
2809 /**
2810  * Accept an incoming call.
2811  *
2812  * @ingroup call_control
2813  * Basically the application is notified of incoming calls within the
2814  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2815  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2816  * The application can later accept the call using this method.
2817  * @param lc the LinphoneCore object
2818  * @param call the LinphoneCall object representing the call to be answered.
2819  *
2820 **/
2821 int linphone_core_accept_call(LinphoneCore *lc, LinphoneCall *call){
2822         return linphone_core_accept_call_with_params(lc,call,NULL);
2823 }
2824
2825 /**
2826  * Accept an incoming call, with parameters.
2827  *
2828  * @ingroup call_control
2829  * Basically the application is notified of incoming calls within the
2830  * call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
2831  * a LinphoneCallIncoming event with the associated LinphoneCall object.
2832  * The application can later accept the call using
2833  * this method.
2834  * @param lc the LinphoneCore object
2835  * @param call the LinphoneCall object representing the call to be answered.
2836  * @param params the specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters.
2837  *
2838 **/
2839 int linphone_core_accept_call_with_params(LinphoneCore *lc, LinphoneCall *call, const LinphoneCallParams *params)
2840 {
2841         LinphoneProxyConfig *cfg=NULL;
2842         const char *contact=NULL;
2843         SalOp *replaced;
2844         SalMediaDescription *new_md;
2845         bool_t was_ringing=FALSE;
2846
2847         if (call==NULL){
2848                 //if just one call is present answer the only one ...
2849                 if(linphone_core_get_calls_nb (lc) != 1)
2850                         return -1;
2851                 else
2852                         call = (LinphoneCall*)linphone_core_get_calls(lc)->data;
2853         }
2854
2855         if (call->state==LinphoneCallConnected){
2856                 /*call already accepted*/
2857                 return -1;
2858         }
2859
2860         /* check if this call is supposed to replace an already running one*/
2861         replaced=sal_call_get_replaces(call->op);
2862         if (replaced){
2863                 LinphoneCall *rc=(LinphoneCall*)sal_op_get_user_pointer (replaced);
2864                 if (rc){
2865                         ms_message("Call %p replaces call %p. This last one is going to be terminated automatically.",
2866                                    call,rc);
2867                         linphone_core_terminate_call(lc,rc);
2868                 }
2869         }
2870
2871         if (lc->current_call!=call){
2872                 linphone_core_preempt_sound_resources(lc);
2873         }
2874
2875         /*stop ringing */
2876         if (lc->ringstream!=NULL) {
2877                 ms_message("stop ringing");
2878                 ring_stop(lc->ringstream);
2879                 ms_message("ring stopped");
2880                 lc->ringstream=NULL;
2881                 was_ringing=TRUE;
2882         }
2883         if (call->ringing_beep){
2884                 linphone_core_stop_dtmf(lc);
2885                 call->ringing_beep=FALSE;
2886         }
2887
2888         linphone_core_get_default_proxy(lc,&cfg);
2889         call->dest_proxy=cfg;
2890         call->dest_proxy=linphone_core_lookup_known_proxy(lc,call->log->to);
2891
2892         if (cfg!=call->dest_proxy && call->dest_proxy!=NULL) {
2893                 ms_message("Overriding default proxy setting for this call:");
2894                 ms_message("The used identity will be %s",linphone_proxy_config_get_identity(call->dest_proxy));
2895         }
2896         /*try to be best-effort in giving real local or routable contact address*/
2897         contact=get_fixed_contact(lc,call,call->dest_proxy);
2898         if (contact)
2899                 sal_op_set_contact(call->op,contact);
2900
2901         if (params){
2902                 const SalMediaDescription *md = sal_call_get_remote_media_description(call->op);
2903                 call->params=*params;
2904                 // There might not be a md if the INVITE was lacking an SDP
2905                 // In this case we use the parameters as is.
2906                 if (md) call->params.has_video &= linphone_core_media_description_contains_video_stream(md);
2907                 call->camera_active=call->params.has_video;
2908                 linphone_call_make_local_media_description(lc,call);
2909                 sal_call_set_local_media_description(call->op,call->localdesc);
2910         }
2911
2912         if (call->audiostream==NULL)
2913                 linphone_call_init_media_streams(call);
2914         if (!was_ringing && call->audiostream->ms.ticker==NULL){
2915                 audio_stream_prepare_sound(call->audiostream,lc->sound_conf.play_sndcard,lc->sound_conf.capt_sndcard);
2916         }
2917
2918         linphone_call_update_remote_session_id_and_ver(call);
2919         sal_call_accept(call->op);
2920         if (lc->vtable.display_status!=NULL)
2921                 lc->vtable.display_status(lc,_("Connected."));
2922         lc->current_call=call;
2923         linphone_call_set_state(call,LinphoneCallConnected,"Connected");
2924         new_md=sal_call_get_final_media_description(call->op);
2925         linphone_core_update_streams(lc, call, new_md);
2926         if (new_md){
2927                 linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
2928         }else call->media_pending=TRUE;
2929
2930         ms_message("call answered.");
2931         return 0;
2932 }
2933
2934 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error){
2935         sal_call_terminate(call->op);
2936
2937         /*stop ringing*/
2938         if (lc->ringstream!=NULL) {
2939                 ring_stop(lc->ringstream);
2940                 lc->ringstream=NULL;
2941         }
2942         linphone_call_stop_media_streams(call);
2943         if (lc->vtable.display_status!=NULL)
2944                 lc->vtable.display_status(lc,_("Call aborted") );
2945         linphone_call_set_state(call,LinphoneCallError,error);
2946         return 0;
2947 }
2948
2949 static void terminate_call(LinphoneCore *lc, LinphoneCall *call){
2950         if (call->state==LinphoneCallIncomingReceived){
2951                 if (call->reason!=LinphoneReasonNotAnswered)
2952                         call->reason=LinphoneReasonDeclined;
2953         }
2954         /*stop ringing*/
2955         if (lc->ringstream!=NULL) {
2956                 ring_stop(lc->ringstream);
2957                 lc->ringstream=NULL;
2958         }
2959
2960         linphone_call_stop_media_streams(call);
2961         if (lc->vtable.display_status!=NULL)
2962                 lc->vtable.display_status(lc,_("Call ended") );
2963         linphone_call_set_state(call,LinphoneCallEnd,"Call terminated");
2964 }
2965
2966 int linphone_core_redirect_call(LinphoneCore *lc, LinphoneCall *call, const char *redirect_uri){
2967         if (call->state==LinphoneCallIncomingReceived){
2968                 sal_call_decline(call->op,SalReasonRedirect,redirect_uri);
2969                 call->reason=LinphoneReasonDeclined;
2970                 terminate_call(lc,call);
2971         }else{
2972                 ms_error("Bad state for call redirection.");
2973                 return -1;
2974     }
2975         return 0;
2976 }
2977
2978
2979 /**
2980  * Terminates a call.
2981  *
2982  * @ingroup call_control
2983  * @param lc the LinphoneCore
2984  * @param the_call the LinphoneCall object representing the call to be terminated.
2985 **/
2986 int linphone_core_terminate_call(LinphoneCore *lc, LinphoneCall *the_call)
2987 {
2988         LinphoneCall *call;
2989         if (the_call == NULL){
2990                 call = linphone_core_get_current_call(lc);
2991                 if (ms_list_size(lc->calls)==1){
2992                         call=(LinphoneCall*)lc->calls->data;
2993                 }else{
2994                         ms_warning("No unique call to terminate !");
2995                         return -1;
2996                 }
2997         }
2998         else
2999         {
3000                 call = the_call;
3001         }
3002         sal_call_terminate(call->op);
3003         terminate_call(lc,call);
3004         return 0;
3005 }
3006
3007 /**
3008  * Decline a pending incoming call, with a reason.
3009  * @param lc the linphone core
3010  * @param call the LinphoneCall, must be in the IncomingReceived state.
3011  * @param reason the reason for rejecting the call: LinphoneReasonDeclined or LinphoneReasonBusy
3012 **/
3013 int linphone_core_decline_call(LinphoneCore *lc, LinphoneCall * call, LinphoneReason reason){
3014         SalReason sal_reason=SalReasonUnknown;
3015         if (call->state!=LinphoneCallIncomingReceived && call->state!=LinphoneCallIncomingEarlyMedia){
3016                 ms_error("linphone_core_decline_call(): Cannot decline a call that is in state %s",linphone_call_state_to_string(call->state));
3017                 return -1;
3018         }
3019         switch(reason){
3020                 case LinphoneReasonDeclined:
3021                         sal_reason=SalReasonDeclined;
3022                 break;
3023                 case LinphoneReasonBusy:
3024                         sal_reason=SalReasonBusy;
3025                 break;
3026                 default:
3027                         ms_error("linphone_core_decline_call(): unsupported reason %s",linphone_reason_to_string(reason));
3028                         return -1;
3029                 break;
3030         }
3031         sal_call_decline(call->op,sal_reason,NULL);
3032         terminate_call(lc,call);
3033         return 0;
3034 }
3035
3036 /**
3037  * Terminates all the calls.
3038  *
3039  * @ingroup call_control
3040  * @param lc The LinphoneCore
3041 **/
3042 int linphone_core_terminate_all_calls(LinphoneCore *lc){
3043         MSList *calls=lc->calls;
3044         while(calls) {
3045                 LinphoneCall *c=(LinphoneCall*)calls->data;
3046                 calls=calls->next;
3047                 linphone_core_terminate_call(lc,c);
3048         }
3049         return 0;
3050 }
3051
3052 /**
3053  * Returns the current list of calls.
3054  *
3055  * Note that this list is read-only and might be changed by the core after a function call to linphone_core_iterate().
3056  * Similarly the LinphoneCall objects inside it might be destroyed without prior notice.
3057  * To hold references to LinphoneCall object into your program, you must use linphone_call_ref().
3058  *
3059  * @ingroup call_control
3060 **/
3061 const MSList *linphone_core_get_calls(LinphoneCore *lc)
3062 {
3063         return lc->calls;
3064 }
3065
3066 /**
3067  * Returns TRUE if there is a call running.
3068  *
3069  * @ingroup call_control
3070 **/
3071 bool_t linphone_core_in_call(const LinphoneCore *lc){
3072         return linphone_core_get_current_call((LinphoneCore *)lc)!=NULL || linphone_core_is_in_conference(lc);
3073 }
3074
3075 /**
3076  * Returns The _LinphoneCall struct of the current call if one is in call
3077  *
3078  * @ingroup call_control
3079 **/
3080 LinphoneCall *linphone_core_get_current_call(const LinphoneCore *lc)
3081 {
3082         return lc->current_call;
3083 }
3084
3085 /**
3086  * Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
3087  * this file will be played to the remote user.
3088  *
3089  * @ingroup call_control
3090 **/
3091 int linphone_core_pause_call(LinphoneCore *lc, LinphoneCall *call)
3092 {
3093         const char *subject=NULL;
3094
3095         if (call->state!=LinphoneCallStreamsRunning && call->state!=LinphoneCallPausedByRemote){
3096                 ms_warning("Cannot pause this call, it is not active.");
3097                 return -1;
3098         }
3099         linphone_call_make_local_media_description(lc,call);
3100         if (call->ice_session != NULL)
3101                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3102         if (sal_media_description_has_dir(call->resultdesc,SalStreamSendRecv)){
3103                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3104                 subject="Call on hold";
3105         }else if (sal_media_description_has_dir(call->resultdesc,SalStreamRecvOnly)){
3106                 sal_media_description_set_dir(call->localdesc,SalStreamSendOnly);
3107                 subject="Call on hold for me too";
3108         }else{
3109                 ms_error("No reason to pause this call, it is already paused or inactive.");
3110                 return -1;
3111         }
3112         sal_call_set_local_media_description(call->op,call->localdesc);
3113         if (sal_call_update(call->op,subject) != 0){
3114                 if (lc->vtable.display_warning)
3115                         lc->vtable.display_warning(lc,_("Could not pause the call"));
3116         }
3117         lc->current_call=NULL;
3118         linphone_call_set_state(call,LinphoneCallPausing,"Pausing call");
3119         if (lc->vtable.display_status)
3120                 lc->vtable.display_status(lc,_("Pausing the current call..."));
3121         if (call->audiostream || call->videostream)
3122                 linphone_call_stop_media_streams (call);
3123         return 0;
3124 }
3125
3126 /**
3127  * Pause all currently running calls.
3128 **/
3129 int linphone_core_pause_all_calls(LinphoneCore *lc){
3130         const MSList *elem;
3131         for(elem=lc->calls;elem!=NULL;elem=elem->next){
3132                 LinphoneCall *call=(LinphoneCall *)elem->data;
3133                 LinphoneCallState cs=linphone_call_get_state(call);
3134                 if (cs==LinphoneCallStreamsRunning || cs==LinphoneCallPausedByRemote){
3135                         linphone_core_pause_call(lc,call);
3136                 }
3137         }
3138         return 0;
3139 }
3140
3141 void linphone_core_preempt_sound_resources(LinphoneCore *lc){
3142         LinphoneCall *current_call;
3143         if (linphone_core_is_in_conference(lc)){
3144                 linphone_core_leave_conference(lc);
3145                 return;
3146         }
3147         current_call=linphone_core_get_current_call(lc);
3148         if(current_call != NULL){
3149                 ms_message("Pausing automatically the current call.");
3150                 linphone_core_pause_call(lc,current_call);
3151         }
3152 }
3153
3154 /**
3155  * Resumes the call.
3156  *
3157  * @ingroup call_control
3158 **/
3159 int linphone_core_resume_call(LinphoneCore *lc, LinphoneCall *the_call)
3160 {
3161         char temp[255]={0};
3162         LinphoneCall *call = the_call;
3163         const char *subject="Call resuming";
3164
3165         if(call->state!=LinphoneCallPaused ){
3166                 ms_warning("we cannot resume a call that has not been established and paused before");
3167                 return -1;
3168         }
3169         if (call->params.in_conference==FALSE){
3170                 linphone_core_preempt_sound_resources(lc);
3171                 ms_message("Resuming call %p",call);
3172         }
3173
3174         /* Stop playing music immediately. If remote side is a conference it
3175          prevents the participants to hear it while the 200OK comes back.*/
3176         if (call->audiostream) audio_stream_play(call->audiostream, NULL);
3177
3178         linphone_call_make_local_media_description(lc,the_call);
3179         if (call->ice_session != NULL)
3180                 linphone_core_update_local_media_description_from_ice(call->localdesc, call->ice_session);
3181         sal_call_set_local_media_description(call->op,call->localdesc);
3182         sal_media_description_set_dir(call->localdesc,SalStreamSendRecv);
3183         if (call->params.in_conference && !call->current_params.in_conference) subject="Conference";
3184         if(sal_call_update(call->op,subject) != 0){
3185                 return -1;
3186         }
3187         linphone_call_set_state (call,LinphoneCallResuming,"Resuming");
3188         snprintf(temp,sizeof(temp)-1,"Resuming the call with %s",linphone_call_get_remote_address_as_string(call));
3189         if (lc->vtable.display_status)
3190                 lc->vtable.display_status(lc,temp);
3191         return 0;
3192 }
3193
3194 static int remote_address_compare(LinphoneCall *call, const LinphoneAddress *raddr){
3195         const LinphoneAddress *addr=linphone_call_get_remote_address (call);
3196         return !linphone_address_weak_equal (addr,raddr);
3197 }
3198
3199 /**
3200  * Get the call with the remote_address specified
3201  * @param lc
3202  * @param remote_address
3203  * @return the LinphoneCall of the call if found
3204  */
3205 LinphoneCall *linphone_core_get_call_by_remote_address(LinphoneCore *lc, const char *remote_address){
3206         LinphoneAddress *raddr=linphone_address_new(remote_address);
3207         MSList *elem=ms_list_find_custom(lc->calls,(int (*)(const void*,const void *))remote_address_compare,raddr);
3208         if (elem) return (LinphoneCall*) elem->data;
3209         return NULL;
3210 }
3211
3212 int linphone_core_send_publish(LinphoneCore *lc,
3213                                LinphoneOnlineStatus presence_mode)
3214 {
3215         const MSList *elem;
3216         for (elem=linphone_core_get_proxy_config_list(lc);elem!=NULL;elem=ms_list_next(elem)){
3217                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
3218                 if (cfg->publish) linphone_proxy_config_send_publish(cfg,presence_mode);
3219         }
3220         return 0;
3221 }
3222
3223 /**
3224  * Set the incoming call timeout in seconds.
3225  *
3226  * @ingroup call_control
3227  * If an incoming call isn't answered for this timeout period, it is
3228  * automatically declined.
3229 **/
3230 void linphone_core_set_inc_timeout(LinphoneCore *lc, int seconds){
3231         lc->sip_conf.inc_timeout=seconds;
3232         if (linphone_core_ready(lc)){
3233                 lp_config_set_int(lc->config,"sip","inc_timeout",seconds);
3234         }
3235 }
3236
3237 /**
3238  * Returns the incoming call timeout
3239  *
3240  * @ingroup call_control
3241  * See linphone_core_set_inc_timeout() for details.
3242 **/
3243 int linphone_core_get_inc_timeout(LinphoneCore *lc){
3244         return lc->sip_conf.inc_timeout;
3245 }
3246
3247 /**
3248  * Set the in call timeout in seconds.
3249  *
3250  * @ingroup call_control
3251  * After this timeout period, the call is automatically hangup.
3252 **/
3253 void linphone_core_set_in_call_timeout(LinphoneCore *lc, int seconds){
3254         lc->sip_conf.in_call_timeout=seconds;
3255 }
3256
3257 /**
3258  * Returns the in call timeout
3259  *
3260  * @ingroup call_control
3261  * See linphone_core_set_in_call_timeout() for details.
3262 **/
3263 int linphone_core_get_in_call_timeout(LinphoneCore *lc){
3264         return lc->sip_conf.in_call_timeout;
3265 }
3266
3267 void linphone_core_set_presence_info(LinphoneCore *lc,int minutes_away,
3268                                                                                                         const char *contact,
3269                                                                                                         LinphoneOnlineStatus presence_mode)
3270 {
3271         if (minutes_away>0) lc->minutes_away=minutes_away;
3272
3273         if (lc->alt_contact!=NULL) {
3274                 ms_free(lc->alt_contact);
3275                 lc->alt_contact=NULL;
3276         }
3277         if (contact) lc->alt_contact=ms_strdup(contact);
3278         if (lc->presence_mode!=presence_mode){
3279                 linphone_core_notify_all_friends(lc,presence_mode);
3280                 /*
3281                    Improve the use of all LINPHONE_STATUS available.
3282                    !TODO Do not mix "presence status" with "answer status code"..
3283                    Use correct parameter to follow sip_if_match/sip_etag.
3284                  */
3285                 linphone_core_send_publish(lc,presence_mode);
3286         }
3287         lc->presence_mode=presence_mode;
3288 }
3289
3290 LinphoneOnlineStatus linphone_core_get_presence_info(const LinphoneCore *lc){
3291         return lc->presence_mode;
3292 }
3293
3294 /**
3295  * Get playback sound level in 0-100 scale.
3296  *
3297  * @ingroup media_parameters
3298 **/
3299 int linphone_core_get_play_level(LinphoneCore *lc)
3300 {
3301         return lc->sound_conf.play_lev;
3302 }
3303
3304 /**
3305  * Get ring sound level in 0-100 scale
3306  *
3307  * @ingroup media_parameters
3308 **/
3309 int linphone_core_get_ring_level(LinphoneCore *lc)
3310 {
3311         return lc->sound_conf.ring_lev;
3312 }
3313
3314 /**
3315  * Get sound capture level in 0-100 scale
3316  *
3317  * @ingroup media_parameters
3318 **/
3319 int linphone_core_get_rec_level(LinphoneCore *lc){
3320         return lc->sound_conf.rec_lev;
3321 }
3322
3323 /**
3324  * Set sound ring level in 0-100 scale
3325  *
3326  * @ingroup media_parameters
3327 **/
3328 void linphone_core_set_ring_level(LinphoneCore *lc, int level){
3329         MSSndCard *sndcard;
3330         lc->sound_conf.ring_lev=level;
3331         sndcard=lc->sound_conf.ring_sndcard;
3332         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3333 }
3334
3335 /**
3336  * Allow to control microphone level:  gain in db
3337  *
3338  * @ingroup media_parameters
3339 **/
3340 void linphone_core_set_mic_gain_db (LinphoneCore *lc, float gaindb){
3341         float gain=gaindb;
3342         LinphoneCall *call=linphone_core_get_current_call (lc);
3343         AudioStream *st;
3344
3345         lc->sound_conf.soft_mic_lev=gaindb;
3346
3347         if (linphone_core_ready(lc)){
3348                 lp_config_set_float(lc->config,"sound","mic_gain_db",lc->sound_conf.soft_mic_lev);
3349         }
3350
3351         if (call==NULL || (st=call->audiostream)==NULL){
3352                 ms_message("linphone_core_set_mic_gain_db(): no active call.");
3353                 return;
3354         }
3355         if (st->volrecv){
3356                 ms_filter_call_method(st->volsend,MS_VOLUME_SET_DB_GAIN,&gain);
3357         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3358 }
3359
3360 /**
3361  * Get microphone gain in db.
3362  *
3363  * @ingroup media_parameters
3364 **/
3365 float linphone_core_get_mic_gain_db(LinphoneCore *lc) {
3366         return lc->sound_conf.soft_mic_lev;
3367 }
3368
3369 /**
3370  * Allow to control play level before entering sound card:  gain in db
3371  *
3372  * @ingroup media_parameters
3373 **/
3374 void linphone_core_set_playback_gain_db (LinphoneCore *lc, float gaindb){
3375         float gain=gaindb;
3376         LinphoneCall *call=linphone_core_get_current_call (lc);
3377         AudioStream *st;
3378
3379         lc->sound_conf.soft_play_lev=gaindb;
3380         if (linphone_core_ready(lc)){
3381                 lp_config_set_float(lc->config,"sound","playback_gain_db",lc->sound_conf.soft_play_lev);
3382         }
3383
3384         if (call==NULL || (st=call->audiostream)==NULL){
3385                 ms_message("linphone_core_set_playback_gain_db(): no active call.");
3386                 return;
3387         }
3388         if (st->volrecv){
3389                 ms_filter_call_method(st->volrecv,MS_VOLUME_SET_DB_GAIN,&gain);
3390         }else ms_warning("Could not apply gain: gain control wasn't activated.");
3391 }
3392
3393 /**
3394  * Get playback gain in db before entering  sound card.
3395  *
3396  * @ingroup media_parameters
3397 **/
3398 float linphone_core_get_playback_gain_db(LinphoneCore *lc) {
3399         return lc->sound_conf.soft_play_lev;
3400 }
3401
3402 /**
3403  * Set sound playback level in 0-100 scale
3404  *
3405  * @ingroup media_parameters
3406 **/
3407 void linphone_core_set_play_level(LinphoneCore *lc, int level){
3408         MSSndCard *sndcard;
3409         lc->sound_conf.play_lev=level;
3410         sndcard=lc->sound_conf.play_sndcard;
3411         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_PLAYBACK,level);
3412 }
3413
3414 /**
3415  * Set sound capture level in 0-100 scale
3416  *
3417  * @ingroup media_parameters
3418 **/
3419 void linphone_core_set_rec_level(LinphoneCore *lc, int level)
3420 {
3421         MSSndCard *sndcard;
3422         lc->sound_conf.rec_lev=level;
3423         sndcard=lc->sound_conf.capt_sndcard;
3424         if (sndcard) ms_snd_card_set_level(sndcard,MS_SND_CARD_CAPTURE,level);
3425 }
3426
3427 static MSSndCard *get_card_from_string_id(const char *devid, unsigned int cap){
3428         MSSndCard *sndcard=NULL;
3429         if (devid!=NULL){
3430                 sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3431                 if (sndcard!=NULL &&
3432                         (ms_snd_card_get_capabilities(sndcard) & cap)==0 ){
3433                         ms_warning("%s card does not have the %s capability, ignoring.",
3434                                 devid,
3435                                 cap==MS_SND_CARD_CAP_CAPTURE ? "capture" : "playback");
3436                         sndcard=NULL;
3437                 }
3438         }
3439         if (sndcard==NULL) {
3440                 /* get a card that has read+write capabilities */
3441                 sndcard=ms_snd_card_manager_get_default_card(ms_snd_card_manager_get());
3442                 /* otherwise refine to the first card having the right capability*/
3443                 if (sndcard==NULL){
3444                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3445                         for(;elem!=NULL;elem=elem->next){
3446                                 sndcard=(MSSndCard*)elem->data;
3447                                 if (ms_snd_card_get_capabilities(sndcard) & cap) break;
3448                         }
3449                 }
3450                 if (sndcard==NULL){/*looks like a bug! take the first one !*/
3451                         const MSList *elem=ms_snd_card_manager_get_list(ms_snd_card_manager_get());
3452                         if (elem) sndcard=(MSSndCard*)elem->data;
3453         }
3454         }
3455         if (sndcard==NULL) ms_error("Could not find a suitable soundcard !");
3456         return sndcard;
3457 }
3458
3459 /**
3460  * Returns true if the specified sound device can capture sound.
3461  *
3462  * @ingroup media_parameters
3463  * @param lc The LinphoneCore object
3464  * @param devid the device name as returned by linphone_core_get_sound_devices()
3465 **/
3466 bool_t linphone_core_sound_device_can_capture(LinphoneCore *lc, const char *devid){
3467         MSSndCard *sndcard;
3468         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3469         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_CAPTURE)) return TRUE;
3470         return FALSE;
3471 }
3472
3473 /**
3474  * Returns true if the specified sound device can play sound.
3475  *
3476  * @ingroup media_parameters
3477  * @param lc The LinphoneCore object
3478  * @param devid the device name as returned by linphone_core_get_sound_devices()
3479 **/
3480 bool_t linphone_core_sound_device_can_playback(LinphoneCore *lc, const char *devid){
3481         MSSndCard *sndcard;
3482         sndcard=ms_snd_card_manager_get_card(ms_snd_card_manager_get(),devid);
3483         if (sndcard!=NULL && (ms_snd_card_get_capabilities(sndcard) & MS_SND_CARD_CAP_PLAYBACK)) return TRUE;
3484         return FALSE;
3485 }
3486
3487 /**
3488  * Sets the sound device used for ringing.
3489  *
3490  * @ingroup media_parameters
3491  * @param lc The LinphoneCore object
3492  * @param devid the device name as returned by linphone_core_get_sound_devices()
3493 **/
3494 int linphone_core_set_ringer_device(LinphoneCore *lc, const char * devid){
3495         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3496         lc->sound_conf.ring_sndcard=card;
3497         if (card && linphone_core_ready(lc))
3498                 lp_config_set_string(lc->config,"sound","ringer_dev_id",ms_snd_card_get_string_id(card));
3499         return 0;
3500 }
3501
3502 /**
3503  * Sets the sound device used for playback.
3504  *
3505  * @ingroup media_parameters
3506  * @param lc The LinphoneCore object
3507  * @param devid the device name as returned by linphone_core_get_sound_devices()
3508 **/
3509 int linphone_core_set_playback_device(LinphoneCore *lc, const char * devid){
3510         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_PLAYBACK);
3511         lc->sound_conf.play_sndcard=card;
3512         if (card &&  linphone_core_ready(lc))
3513                 lp_config_set_string(lc->config,"sound","playback_dev_id",ms_snd_card_get_string_id(card));
3514         return 0;
3515 }
3516
3517 /**
3518  * Sets the sound device used for capture.
3519  *
3520  * @ingroup media_parameters
3521  * @param lc The LinphoneCore object
3522  * @param devid the device name as returned by linphone_core_get_sound_devices()
3523 **/
3524 int linphone_core_set_capture_device(LinphoneCore *lc, const char * devid){
3525         MSSndCard *card=get_card_from_string_id(devid,MS_SND_CARD_CAP_CAPTURE);
3526         lc->sound_conf.capt_sndcard=card;
3527         if (card &&  linphone_core_ready(lc))
3528                 lp_config_set_string(lc->config,"sound","capture_dev_id",ms_snd_card_get_string_id(card));
3529         return 0;
3530 }
3531
3532 /**
3533  * Returns the name of the currently assigned sound device for ringing.
3534  *
3535  * @ingroup media_parameters
3536  * @param lc The LinphoneCore object
3537 **/
3538 const char * linphone_core_get_ringer_device(LinphoneCore *lc)
3539 {
3540         if (lc->sound_conf.ring_sndcard) return ms_snd_card_get_string_id(lc->sound_conf.ring_sndcard);
3541         return NULL;
3542 }
3543
3544 /**
3545  * Returns the name of the currently assigned sound device for playback.
3546  *
3547  * @ingroup media_parameters
3548  * @param lc The LinphoneCore object
3549 **/
3550 const char * linphone_core_get_playback_device(LinphoneCore *lc)
3551 {
3552         return lc->sound_conf.play_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.play_sndcard) : NULL;
3553 }
3554
3555 /**
3556  * Returns the name of the currently assigned sound device for capture.
3557  *
3558  * @ingroup media_parameters
3559  * @param lc The LinphoneCore object
3560 **/
3561 const char * linphone_core_get_capture_device(LinphoneCore *lc)
3562 {
3563         return lc->sound_conf.capt_sndcard ? ms_snd_card_get_string_id(lc->sound_conf.capt_sndcard) : NULL;
3564 }
3565
3566 /**
3567  * Returns an unmodifiable array of available sound devices.
3568  *
3569  * The array is NULL terminated.
3570  *
3571  * @ingroup media_parameters
3572  * @param lc The LinphoneCore object
3573 **/
3574 const char**  linphone_core_get_sound_devices(LinphoneCore *lc){
3575         return lc->sound_conf.cards;
3576 }
3577
3578 /**
3579  * Returns an unmodifiable array of available video capture devices.
3580  *
3581  * @ingroup media_parameters
3582  * The array is NULL terminated.
3583 **/
3584 const char**  linphone_core_get_video_devices(const LinphoneCore *lc){
3585         return lc->video_conf.cams;
3586 }
3587
3588 /**
3589  * Update detection of sound devices.
3590  *
3591  * Use this function when the application is notified of USB plug events, so that
3592  * list of available hardwares for sound playback and capture is updated.
3593  **/
3594 void linphone_core_reload_sound_devices(LinphoneCore *lc){
3595         const char *ringer,*playback,*capture;
3596         ringer=linphone_core_get_ringer_device(lc);
3597         playback=linphone_core_get_playback_device(lc);
3598         capture=linphone_core_get_capture_device(lc);
3599         ms_snd_card_manager_reload(ms_snd_card_manager_get());
3600         build_sound_devices_table(lc);
3601         linphone_core_set_ringer_device(lc,ringer);
3602         linphone_core_set_playback_device(lc,playback);
3603         linphone_core_set_capture_device(lc,capture);
3604 }
3605
3606 /**
3607  * Update detection of camera devices.
3608  *
3609  * Use this function when the application is notified of USB plug events, so that
3610  * list of available hardwares for video capture is updated.
3611  **/
3612 void linphone_core_reload_video_devices(LinphoneCore *lc){
3613         const char *devid;
3614         devid=linphone_core_get_video_device(lc);
3615         ms_web_cam_manager_reload(ms_web_cam_manager_get());
3616         build_video_devices_table(lc);
3617         linphone_core_set_video_device(lc,devid);
3618 }
3619
3620 char linphone_core_get_sound_source(LinphoneCore *lc)
3621 {
3622         return lc->sound_conf.source;
3623 }
3624
3625 void linphone_core_set_sound_source(LinphoneCore *lc, char source)
3626 {
3627         MSSndCard *sndcard=lc->sound_conf.capt_sndcard;
3628         lc->sound_conf.source=source;
3629         if (!sndcard) return;
3630         switch(source){
3631                 case 'm':
3632                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_MIC);
3633                         break;
3634                 case 'l':
3635                         ms_snd_card_set_capture(sndcard,MS_SND_CARD_LINE);
3636                         break;
3637         }
3638
3639 }
3640
3641
3642 /**
3643  * Sets the path to a wav file used for ringing.
3644  *
3645  * @param path The file must be a wav 16bit linear. Local ring is disabled if null
3646  * @param lc The LinphoneCore object
3647  *
3648  * @ingroup media_parameters
3649 **/
3650 void linphone_core_set_ring(LinphoneCore *lc,const char *path){
3651         if (lc->sound_conf.local_ring!=0){
3652                 ms_free(lc->sound_conf.local_ring);
3653                 lc->sound_conf.local_ring=NULL;
3654         }
3655         if (path)
3656                 lc->sound_conf.local_ring=ms_strdup(path);
3657         if ( linphone_core_ready(lc) && lc->sound_conf.local_ring)
3658                 lp_config_set_string(lc->config,"sound","local_ring",lc->sound_conf.local_ring);
3659 }
3660
3661 /**
3662  * Returns the path to the wav file used for ringing.
3663  *
3664  * @param lc The LinphoneCore object
3665  * @ingroup media_parameters
3666 **/
3667 const char *linphone_core_get_ring(const LinphoneCore *lc){
3668         return lc->sound_conf.local_ring;
3669 }
3670
3671 /**
3672  * Sets the path to a file or folder containing trusted root CAs (PEM format)
3673  *
3674  * @param path
3675  * @param lc The LinphoneCore object
3676  *
3677  * @ingroup media_parameters
3678 **/
3679 void linphone_core_set_root_ca(LinphoneCore *lc,const char *path){
3680         sal_set_root_ca(lc->sal, path);
3681 }
3682
3683 /**
3684  * Gets the path to a file or folder containing trusted root CAs (PEM format)
3685  *
3686  * @param lc The LinphoneCore object
3687  *
3688  * @ingroup media_parameters
3689 **/
3690 const char *linphone_core_get_root_ca(LinphoneCore *lc){
3691         return sal_get_root_ca(lc->sal);
3692 }
3693
3694 /**
3695  * Specify whether the tls server certificate must be verified when connecting to a SIP/TLS server.
3696 **/
3697 void linphone_core_verify_server_certificates(LinphoneCore *lc, bool_t yesno){
3698         sal_verify_server_certificates(lc->sal,yesno);
3699 }
3700
3701 static void notify_end_of_ring(void *ud, MSFilter *f, unsigned int event, void *arg){
3702         LinphoneCore *lc=(LinphoneCore*)ud;
3703         lc->preview_finished=1;
3704 }
3705
3706 int linphone_core_preview_ring(LinphoneCore *lc, const char *ring,LinphoneCoreCbFunc func,void * userdata)
3707 {
3708         if (lc->ringstream!=0){
3709                 ms_warning("Cannot start ring now,there's already a ring being played");
3710                 return -1;
3711         }
3712         lc_callback_obj_init(&lc->preview_finished_cb,func,userdata);
3713         lc->preview_finished=0;
3714         if (lc->sound_conf.ring_sndcard!=NULL){
3715                 MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
3716                 lc->ringstream=ring_start_with_cb(ring,2000,ringcard,notify_end_of_ring,(void *)lc);
3717         }
3718         return 0;
3719 }
3720
3721 /**
3722  * Sets the path to a wav file used for ringing back.
3723  *
3724  * Ringback means the ring that is heard when it's ringing at the remote party.
3725  * The file must be a wav 16bit linear.
3726  *
3727  * @ingroup media_parameters
3728 **/
3729 void linphone_core_set_ringback(LinphoneCore *lc, const char *path){
3730         if (lc->sound_conf.remote_ring!=0){
3731                 ms_free(lc->sound_conf.remote_ring);
3732         }
3733         lc->sound_conf.remote_ring=ms_strdup(path);
3734 }
3735
3736 /**
3737  * Returns the path to the wav file used for ringing back.
3738  *
3739  * @ingroup media_parameters
3740 **/
3741 const char * linphone_core_get_ringback(const LinphoneCore *lc){
3742         return lc->sound_conf.remote_ring;
3743 }
3744
3745 /**
3746  * Enables or disable echo cancellation. Value is saved an used for subsequent calls
3747  *
3748  * @ingroup media_parameters
3749 **/
3750 void linphone_core_enable_echo_cancellation(LinphoneCore *lc, bool_t val){
3751         lc->sound_conf.ec=val;
3752         if ( linphone_core_ready(lc))
3753                 lp_config_set_int(lc->config,"sound","echocancellation",val);
3754 }
3755
3756
3757 /**
3758  * Returns TRUE if echo cancellation is enabled.
3759  *
3760  * @ingroup media_parameters
3761 **/
3762 bool_t linphone_core_echo_cancellation_enabled(LinphoneCore *lc){
3763         return lc->sound_conf.ec;
3764 }
3765
3766 void linphone_core_enable_echo_limiter(LinphoneCore *lc, bool_t val){
3767         lc->sound_conf.ea=val;
3768 }
3769
3770 bool_t linphone_core_echo_limiter_enabled(const LinphoneCore *lc){
3771         return lc->sound_conf.ea;
3772 }
3773
3774 /**
3775  * Mutes or unmutes the local microphone.
3776  *
3777  * @ingroup media_parameters
3778 **/
3779 void linphone_core_mute_mic(LinphoneCore *lc, bool_t val){
3780         LinphoneCall *call=linphone_core_get_current_call(lc);
3781         AudioStream *st=NULL;
3782         if (linphone_core_is_in_conference(lc)){
3783                 lc->conf_ctx.local_muted=val;
3784                 st=lc->conf_ctx.local_participant;
3785         }else if (call==NULL){
3786                 ms_warning("linphone_core_mute_mic(): No current call !");
3787                 return;
3788         }else{
3789                 st=call->audiostream;
3790                 call->audio_muted=val;
3791         }
3792         if (st!=NULL){
3793                 audio_stream_set_mic_gain(st,
3794                         (val==TRUE) ? 0 : pow(10,lc->sound_conf.soft_mic_lev/10));
3795                 if ( linphone_core_get_rtp_no_xmit_on_audio_mute(lc) ){
3796                         audio_stream_mute_rtp(st,val);
3797                 }
3798
3799         }
3800 }
3801 /**
3802  * Returns whether microphone is muted.
3803 **/
3804 bool_t linphone_core_is_mic_muted(LinphoneCore *lc) {
3805         LinphoneCall *call=linphone_core_get_current_call(lc);
3806         if (linphone_core_is_in_conference(lc)){
3807                 return lc->conf_ctx.local_muted;
3808         }else if (call==NULL){
3809                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3810                 return FALSE;
3811         }
3812         return call->audio_muted;
3813 }
3814
3815 // returns rtp transmission status for an active stream
3816 // if audio is muted and config parameter rtp_no_xmit_on_audio_mute
3817 // was set on then rtp transmission is also muted
3818 bool_t linphone_core_is_rtp_muted(LinphoneCore *lc){
3819         LinphoneCall *call=linphone_core_get_current_call(lc);
3820         if (call==NULL){
3821                 ms_warning("linphone_core_is_mic_muted(): No current call !");
3822                 return FALSE;
3823         }
3824         if( linphone_core_get_rtp_no_xmit_on_audio_mute(lc)){
3825                 return call->audio_muted;
3826         }
3827         return FALSE;
3828 }
3829
3830 void linphone_core_enable_agc(LinphoneCore *lc, bool_t val){
3831         lc->sound_conf.agc=val;
3832 }
3833
3834 bool_t linphone_core_agc_enabled(const LinphoneCore *lc){
3835         return lc->sound_conf.agc;
3836 }
3837
3838 /**
3839  * Send the specified dtmf.
3840  *
3841  * @ingroup media_parameters
3842  * This function only works during calls. The dtmf is automatically played to the user.
3843  * @param lc The LinphoneCore object
3844  * @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
3845  *
3846 **/
3847 void linphone_core_send_dtmf(LinphoneCore *lc, char dtmf)
3848 {
3849         LinphoneCall *call=linphone_core_get_current_call(lc);
3850         if (call==NULL){
3851                 ms_warning("linphone_core_send_dtmf(): no active call");
3852                 return;
3853         }
3854         /*By default we send DTMF RFC2833 if we do not have enabled SIP_INFO but we can also send RFC2833 and SIP_INFO*/
3855         if (linphone_core_get_use_rfc2833_for_dtmf(lc)!=0 || linphone_core_get_use_info_for_dtmf(lc)==0)
3856         {
3857                 /* In Band DTMF */
3858                 if (call->audiostream!=NULL){
3859                         audio_stream_send_dtmf(call->audiostream,dtmf);
3860                 }
3861                 else
3862                 {
3863                         ms_error("we cannot send RFC2833 dtmf when we are not in communication");
3864                 }
3865         }
3866         if (linphone_core_get_use_info_for_dtmf(lc)!=0){
3867                 /* Out of Band DTMF (use INFO method) */
3868                 sal_call_send_dtmf(call->op,dtmf);
3869         }
3870 }
3871
3872 void linphone_core_set_stun_server(LinphoneCore *lc, const char *server){
3873         if (lc->net_conf.stun_server!=NULL)
3874                 ms_free(lc->net_conf.stun_server);
3875         if (server)
3876                 lc->net_conf.stun_server=ms_strdup(server);
3877         else lc->net_conf.stun_server=NULL;
3878         if (linphone_core_ready(lc))
3879                 lp_config_set_string(lc->config,"net","stun_server",lc->net_conf.stun_server);
3880 }
3881
3882 const char * linphone_core_get_stun_server(const LinphoneCore *lc){
3883         return lc->net_conf.stun_server;
3884 }
3885
3886 const char * linphone_core_get_relay_addr(const LinphoneCore *lc){
3887         return lc->net_conf.relay;
3888 }
3889
3890 int linphone_core_set_relay_addr(LinphoneCore *lc, const char *addr){
3891         if (lc->net_conf.relay!=NULL){
3892                 ms_free(lc->net_conf.relay);
3893                 lc->net_conf.relay=NULL;
3894         }
3895         if (addr){
3896                 lc->net_conf.relay=ms_strdup(addr);
3897         }
3898         return 0;
3899 }
3900
3901 void linphone_core_set_nat_address(LinphoneCore *lc, const char *addr)
3902 {
3903         if (lc->net_conf.nat_address!=NULL){
3904                 ms_free(lc->net_conf.nat_address);
3905         }
3906         if (addr!=NULL) lc->net_conf.nat_address=ms_strdup(addr);
3907         else lc->net_conf.nat_address=NULL;
3908         if (lc->sip_conf.contact) update_primary_contact(lc);
3909 }
3910
3911 const char *linphone_core_get_nat_address(const LinphoneCore *lc) {
3912         return lc->net_conf.nat_address;
3913 }
3914
3915 const char *linphone_core_get_nat_address_resolved(LinphoneCore *lc)
3916 {
3917         struct sockaddr_storage ss;
3918         socklen_t ss_len;
3919         int error;
3920         char ipstring [INET6_ADDRSTRLEN];
3921
3922         if (lc->net_conf.nat_address==NULL) return NULL;
3923
3924         if (parse_hostname_to_addr (lc->net_conf.nat_address, &ss, &ss_len)<0) {
3925                 return lc->net_conf.nat_address;
3926         }
3927
3928         error = getnameinfo((struct sockaddr *)&ss, ss_len,
3929                 ipstring, sizeof(ipstring), NULL, 0, NI_NUMERICHOST);
3930         if (error) {
3931                 return lc->net_conf.nat_address;
3932         }
3933
3934         if (lc->net_conf.nat_address_ip!=NULL){
3935                 ms_free(lc->net_conf.nat_address_ip);
3936         }
3937         lc->net_conf.nat_address_ip = ms_strdup (ipstring);
3938         return lc->net_conf.nat_address_ip;
3939 }
3940
3941 void linphone_core_set_firewall_policy(LinphoneCore *lc, LinphoneFirewallPolicy pol){
3942         lc->net_conf.firewall_policy=pol;
3943         if (lc->sip_conf.contact) update_primary_contact(lc);
3944         if (linphone_core_ready(lc))
3945                 lp_config_set_int(lc->config,"net","firewall_policy",pol);
3946 }
3947
3948 LinphoneFirewallPolicy linphone_core_get_firewall_policy(const LinphoneCore *lc){
3949         return lc->net_conf.firewall_policy;
3950 }
3951
3952 /**
3953  * Get the list of call logs (past calls).
3954  *
3955  * @ingroup call_logs
3956 **/
3957 const MSList * linphone_core_get_call_logs(LinphoneCore *lc){
3958         return lc->call_logs;
3959 }
3960
3961 /**
3962  * Erase the call log.
3963  *
3964  * @ingroup call_logs
3965 **/
3966 void linphone_core_clear_call_logs(LinphoneCore *lc){
3967         lc->missed_calls=0;
3968         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
3969         lc->call_logs=ms_list_free(lc->call_logs);
3970         call_logs_write_to_config_file(lc);
3971 }
3972
3973 /**
3974  * Returns number of missed calls.
3975  * Once checked, this counter can be reset with linphone_core_reset_missed_calls_count().
3976 **/
3977 int linphone_core_get_missed_calls_count(LinphoneCore *lc) {
3978         return lc->missed_calls;
3979 }
3980
3981 /**
3982  * Resets the counter of missed calls.
3983 **/
3984 void linphone_core_reset_missed_calls_count(LinphoneCore *lc) {
3985         lc->missed_calls=0;
3986 }
3987
3988 /**
3989  * Remove a specific call log from call history list.
3990  * This function destroys the call log object. It must not be accessed anymore by the application after calling this function.
3991  * @param lc the linphone core object
3992  * @param a LinphoneCallLog object.
3993 **/
3994 void linphone_core_remove_call_log(LinphoneCore *lc, LinphoneCallLog *cl){
3995         lc->call_logs = ms_list_remove(lc->call_logs, cl);
3996         call_logs_write_to_config_file(lc);
3997         linphone_call_log_destroy(cl);
3998 }
3999
4000 static void toggle_video_preview(LinphoneCore *lc, bool_t val){
4001 #ifdef VIDEO_ENABLED
4002         if (val){
4003                 if (lc->previewstream==NULL){
4004                         lc->previewstream=video_preview_new();
4005                         video_preview_set_size(lc->previewstream,lc->video_conf.vsize);
4006                         if (lc->video_conf.displaytype)
4007                                 video_preview_set_display_filter_name(lc->previewstream,lc->video_conf.displaytype);
4008                         if (lc->preview_window_id!=0)
4009                                 video_preview_set_native_window_id(lc->previewstream,lc->preview_window_id);
4010                         video_preview_start(lc->previewstream,lc->video_conf.device);
4011                 }
4012         }else{
4013                 if (lc->previewstream!=NULL){
4014                         video_preview_stop(lc->previewstream);
4015                         lc->previewstream=NULL;
4016                 }
4017         }
4018 #endif
4019 }
4020
4021 /**
4022  * Enables video globally.
4023  *
4024  * @ingroup media_parameters
4025  * This function does not have any effect during calls. It just indicates LinphoneCore to
4026  * initiate future calls with video or not. The two boolean parameters indicate in which
4027  * direction video is enabled. Setting both to false disables video entirely.
4028  *
4029  * @param lc The LinphoneCore object
4030  * @param vcap_enabled indicates whether video capture is enabled
4031  * @param display_enabled indicates whether video display should be shown
4032  *
4033 **/
4034 void linphone_core_enable_video(LinphoneCore *lc, bool_t vcap_enabled, bool_t display_enabled){
4035 #ifndef VIDEO_ENABLED
4036         if (vcap_enabled || display_enabled)
4037                 ms_warning("This version of linphone was built without video support.");
4038 #endif
4039         lc->video_conf.capture=vcap_enabled;
4040         lc->video_conf.display=display_enabled;
4041         if (linphone_core_ready(lc)){
4042                 lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4043                 lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4044         }
4045         /* need to re-apply network bandwidth settings*/
4046         linphone_core_set_download_bandwidth(lc,
4047                 linphone_core_get_download_bandwidth(lc));
4048         linphone_core_set_upload_bandwidth(lc,
4049                 linphone_core_get_upload_bandwidth(lc));
4050 }
4051
4052 bool_t linphone_core_video_supported(LinphoneCore *lc){
4053 #ifdef VIDEO_ENABLED
4054         return TRUE;
4055 #else
4056         return FALSE;
4057 #endif
4058 }
4059
4060 /**
4061  * Returns TRUE if video is enabled, FALSE otherwise.
4062  * @ingroup media_parameters
4063 **/
4064 bool_t linphone_core_video_enabled(LinphoneCore *lc){
4065         return (lc->video_conf.display || lc->video_conf.capture);
4066 }
4067
4068 /**
4069  * Sets the default policy for video.
4070  * This policy defines whether:
4071  * - video shall be initiated by default for outgoing calls
4072  * - video shall be accepter by default for incoming calls
4073  * @ingroup media_parameters
4074 **/
4075 void linphone_core_set_video_policy(LinphoneCore *lc, const LinphoneVideoPolicy *policy){
4076         lc->video_policy=*policy;
4077         if (linphone_core_ready(lc)){
4078                 lp_config_set_int(lc->config,"video","automatically_initiate",policy->automatically_initiate);
4079                 lp_config_set_int(lc->config,"video","automatically_accept",policy->automatically_accept);
4080         }
4081 }
4082
4083 /**
4084  * Get the default policy for video.
4085  * See linphone_core_set_video_policy() for more details.
4086  * @ingroup media_parameters
4087 **/
4088 const LinphoneVideoPolicy *linphone_core_get_video_policy(LinphoneCore *lc){
4089         return &lc->video_policy;
4090 }
4091
4092 /**
4093  * Controls video preview enablement.
4094  *
4095  * @ingroup media_parameters
4096  * Video preview refers to the action of displaying the local webcam image
4097  * to the user while not in call.
4098 **/
4099 void linphone_core_enable_video_preview(LinphoneCore *lc, bool_t val){
4100         lc->video_conf.show_local=val;
4101         if (linphone_core_ready(lc))
4102                 lp_config_set_int(lc->config,"video","show_local",val);
4103 }
4104
4105 /**
4106  * Returns TRUE if video previewing is enabled.
4107  * @ingroup media_parameters
4108 **/
4109 bool_t linphone_core_video_preview_enabled(const LinphoneCore *lc){
4110         return lc->video_conf.show_local;
4111 }
4112
4113 /**
4114  * Enables or disable self view during calls.
4115  *
4116  * @ingroup media_parameters
4117  * Self-view refers to having local webcam image inserted in corner
4118  * of the video window during calls.
4119  * This function works at any time, including during calls.
4120 **/
4121 void linphone_core_enable_self_view(LinphoneCore *lc, bool_t val){
4122 #ifdef VIDEO_ENABLED
4123         LinphoneCall *call=linphone_core_get_current_call (lc);
4124         lc->video_conf.selfview=val;
4125         if (call && call->videostream){
4126                 video_stream_enable_self_view(call->videostream,val);
4127         }
4128         if (linphone_core_ready(lc)){
4129                 lp_config_set_int(lc->config,"video","self_view",val);
4130         }
4131 #endif
4132 }
4133
4134 /**
4135  * Returns TRUE if self-view is enabled, FALSE otherwise.
4136  *
4137  * @ingroup media_parameters
4138  *
4139  * Refer to linphone_core_enable_self_view() for details.
4140 **/
4141 bool_t linphone_core_self_view_enabled(const LinphoneCore *lc){
4142         return lc->video_conf.selfview;
4143 }
4144
4145 /**
4146  * Sets the active video device.
4147  *
4148  * @ingroup media_parameters
4149  * @param lc The LinphoneCore object
4150  * @param id the name of the video device as returned by linphone_core_get_video_devices()
4151 **/
4152 int linphone_core_set_video_device(LinphoneCore *lc, const char *id){
4153         MSWebCam *olddev=lc->video_conf.device;
4154         const char *vd;
4155         if (id!=NULL){
4156                 lc->video_conf.device=ms_web_cam_manager_get_cam(ms_web_cam_manager_get(),id);
4157                 if (lc->video_conf.device==NULL){
4158                         ms_warning("Could not find video device %s",id);
4159                 }
4160         }
4161         if (lc->video_conf.device==NULL)
4162                 lc->video_conf.device=ms_web_cam_manager_get_default_cam(ms_web_cam_manager_get());
4163         if (olddev!=NULL && olddev!=lc->video_conf.device){
4164                 toggle_video_preview(lc,FALSE);/*restart the video local preview*/
4165         }
4166         if ( linphone_core_ready(lc) && lc->video_conf.device){
4167                 vd=ms_web_cam_get_string_id(lc->video_conf.device);
4168                 if (vd && strstr(vd,"Static picture")!=NULL){
4169                         vd=NULL;
4170                 }
4171                 lp_config_set_string(lc->config,"video","device",vd);
4172         }
4173         return 0;
4174 }
4175
4176 /**
4177  * Returns the name of the currently active video device.
4178  *
4179  * @param lc The LinphoneCore object
4180  * @ingroup media_parameters
4181 **/
4182 const char *linphone_core_get_video_device(const LinphoneCore *lc){
4183         if (lc->video_conf.device) return ms_web_cam_get_string_id(lc->video_conf.device);
4184         return NULL;
4185 }
4186
4187 #ifdef VIDEO_ENABLED
4188 static VideoStream * get_active_video_stream(LinphoneCore *lc){
4189         VideoStream *vs = NULL;
4190         LinphoneCall *call=linphone_core_get_current_call (lc);
4191         /* Select the video stream from the call in the first place */
4192         if (call && call->videostream) {
4193                 vs = call->videostream;
4194         }
4195         /* If not in call, select the video stream from the preview */
4196         if (vs == NULL && lc->previewstream) {
4197                 vs = lc->previewstream;
4198         }
4199         return vs;
4200 }
4201 #endif
4202
4203 int linphone_core_set_static_picture(LinphoneCore *lc, const char *path) {
4204 #ifdef VIDEO_ENABLED
4205         VideoStream *vs=get_active_video_stream(lc);
4206         /* If we have a video stream (either preview, either from call), we
4207                  have a source and it is using the static picture filter, then
4208                  force the filter to use that picture. */
4209         if (vs && vs->source) {
4210                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4211                         ms_filter_call_method(vs->source, MS_STATIC_IMAGE_SET_IMAGE,
4212                                                                                                                 (void *)path);
4213                 }
4214         }
4215         /* Tell the static image filter to use that image from now on so
4216                  that the image will be used next time it has to be read */
4217         ms_static_image_set_default_image(path);
4218 #else
4219         ms_warning("Video support not compiled.");
4220 #endif
4221         return 0;
4222 }
4223
4224 const char *linphone_core_get_static_picture(LinphoneCore *lc) {
4225         const char *path=NULL;
4226 #ifdef VIDEO_ENABLED
4227         path=ms_static_image_get_default_image();
4228 #else
4229         ms_warning("Video support not compiled.");
4230 #endif
4231         return path;
4232 }
4233
4234 int linphone_core_set_static_picture_fps(LinphoneCore *lc, float fps) {
4235 #ifdef VIDEO_ENABLED
4236         VideoStream *vs = NULL;
4237
4238         vs=get_active_video_stream(lc);
4239
4240         /* If we have a video stream (either preview, either from call), we
4241                  have a source and it is using the static picture filter, then
4242                  force the filter to use that picture. */
4243         if (vs && vs->source) {
4244                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4245                         ms_filter_call_method(vs->source, MS_FILTER_SET_FPS,(void *)&fps);
4246                 }
4247         }
4248 #else
4249         ms_warning("Video support not compiled.");
4250 #endif
4251         return 0;
4252 }
4253
4254 float linphone_core_get_static_picture_fps(LinphoneCore *lc) {
4255 #ifdef VIDEO_ENABLED
4256         VideoStream *vs = NULL;
4257         vs=get_active_video_stream(lc);
4258         /* If we have a video stream (either preview, either from call), we
4259                  have a source and it is using the static picture filter, then
4260                  force the filter to use that picture. */
4261         if (vs && vs->source) {
4262                 if (ms_filter_get_id(vs->source) == MS_STATIC_IMAGE_ID) {
4263
4264                         float fps;
4265
4266                         ms_filter_call_method(vs->source, MS_FILTER_GET_FPS,(void *)&fps);
4267                         return fps;
4268                 }
4269         }
4270 #else
4271         ms_warning("Video support not compiled.");
4272 #endif
4273         return 0;
4274 }
4275
4276 /**
4277  * Returns the native window handle of the video window, casted as an unsigned long.
4278  *
4279  * @ingroup media_parameters
4280 **/
4281 unsigned long linphone_core_get_native_video_window_id(const LinphoneCore *lc){
4282 #ifdef VIDEO_ENABLED
4283         LinphoneCall *call=linphone_core_get_current_call (lc);
4284         if (call && call->videostream)
4285                 return video_stream_get_native_window_id(call->videostream);
4286         if (lc->previewstream)
4287                 return video_stream_get_native_window_id(lc->previewstream);
4288 #endif
4289         return lc->video_window_id;
4290 }
4291
4292 /**@ingroup media_parameters
4293  * Set the native video window id where the video is to be displayed.
4294  * If not set the core will create its own window.
4295 **/
4296 void linphone_core_set_native_video_window_id(LinphoneCore *lc, unsigned long id){
4297 #ifdef VIDEO_ENABLED
4298         LinphoneCall *call=linphone_core_get_current_call(lc);
4299         lc->video_window_id=id;
4300         if (call!=NULL && call->videostream){
4301                 video_stream_set_native_window_id(call->videostream,id);
4302         }
4303 #endif
4304 }
4305
4306 /**
4307  * Returns the native window handle of the video preview window, casted as an unsigned long.
4308  *
4309  * @ingroup media_parameters
4310 **/
4311 unsigned long linphone_core_get_native_preview_window_id(const LinphoneCore *lc){
4312 #ifdef VIDEO_ENABLED
4313         LinphoneCall *call=linphone_core_get_current_call (lc);
4314         if (call && call->videostream)
4315                 return video_stream_get_native_preview_window_id(call->videostream);
4316         if (lc->previewstream)
4317                 return video_preview_get_native_window_id(lc->previewstream);
4318 #endif
4319         return lc->preview_window_id;
4320 }
4321
4322 /**
4323  * @ingroup media_parameters
4324  * Set the native window id where the preview video (local camera) is to be displayed.
4325  * This has to be used in conjonction with linphone_core_use_preview_window().
4326  * If not set the core will create its own window.
4327 **/
4328 void linphone_core_set_native_preview_window_id(LinphoneCore *lc, unsigned long id){
4329         lc->preview_window_id=id;
4330 #ifdef VIDEO_ENABLED
4331         LinphoneCall *call=linphone_core_get_current_call(lc);
4332         if (call!=NULL && call->videostream){
4333                 video_stream_set_native_preview_window_id(call->videostream,id);
4334         }else if (lc->previewstream){
4335                 video_preview_set_native_window_id(lc->previewstream,id);
4336         }
4337 #endif
4338 }
4339
4340 /**
4341  * Can be used to disable video showing to free XV port
4342 **/
4343 void linphone_core_show_video(LinphoneCore *lc, bool_t show){
4344 #ifdef VIDEO_ENABLED
4345         ms_error("linphone_core_show_video %d", show);
4346         LinphoneCall *call=linphone_core_get_current_call(lc);
4347         if (call!=NULL && call->videostream){
4348                 video_stream_show_video(call->videostream,show);
4349         }
4350 #endif
4351 }
4352
4353 /**
4354  * Tells the core to use a separate window for local camera preview video, instead of
4355  * inserting local view within the remote video window.
4356  *
4357 **/
4358 void linphone_core_use_preview_window(LinphoneCore *lc, bool_t yesno){
4359         lc->use_preview_window=yesno;
4360 }
4361 /**
4362  * @ingroup media_parameters
4363  *returns current device orientation
4364  */
4365 int linphone_core_get_device_rotation(LinphoneCore *lc ) {
4366         return lc->device_rotation;
4367 }
4368 /**
4369  * @ingroup media_parameters
4370  * Tells the core the device current orientation. This can be used by capture filters
4371  * on mobile devices to select between portrait/landscape mode and to produce properly
4372  * oriented images. The exact meaning of the value in rotation if left to each device
4373  * specific implementations.
4374  *@param lc  object.
4375  *@param rotation . IOS supported values are 0 for UIInterfaceOrientationPortrait and 270 for UIInterfaceOrientationLandscapeRight.
4376  *
4377 **/
4378 void linphone_core_set_device_rotation(LinphoneCore *lc, int rotation) {
4379 ms_message("%s : rotation=%d\n", __FUNCTION__, rotation);
4380         lc->device_rotation = rotation;
4381 #ifdef VIDEO_ENABLED
4382         LinphoneCall *call=linphone_core_get_current_call(lc);
4383         if (call!=NULL && call->videostream){
4384                 video_stream_set_device_rotation(call->videostream,rotation);
4385         }
4386 #endif
4387 }
4388
4389 static MSVideoSizeDef supported_resolutions[]={
4390 #ifdef ENABLE_HD
4391         {       {MS_VIDEO_SIZE_1080P_W,MS_VIDEO_SIZE_1080P_H}   ,       "1080p" },
4392         {       {MS_VIDEO_SIZE_720P_W,MS_VIDEO_SIZE_720P_H}     ,       "1080p" },
4393 #endif
4394         {       {MS_VIDEO_SIZE_SVGA_W,MS_VIDEO_SIZE_SVGA_H}     ,       "svga"  },
4395         {       {MS_VIDEO_SIZE_4CIF_W,MS_VIDEO_SIZE_4CIF_H}     ,       "4cif"  },
4396         {       {MS_VIDEO_SIZE_VGA_W,MS_VIDEO_SIZE_VGA_H}       ,       "vga"   },
4397         {       {MS_VIDEO_SIZE_IOS_MEDIUM_H,MS_VIDEO_SIZE_IOS_MEDIUM_W} ,       "ios-medium"    },
4398         {       {MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H}       ,       "cif"   },
4399         {       {MS_VIDEO_SIZE_QVGA_W,MS_VIDEO_SIZE_QVGA_H}     ,       "qvga"  },
4400         {       {MS_VIDEO_SIZE_QCIF_W,MS_VIDEO_SIZE_QCIF_H}     ,       "qcif"  },
4401         {       {0,0}                   ,       NULL    }
4402 };
4403
4404 /**
4405  * Returns the zero terminated table of supported video resolutions.
4406  *
4407  * @ingroup media_parameters
4408 **/
4409 const MSVideoSizeDef *linphone_core_get_supported_video_sizes(LinphoneCore *lc){
4410         return supported_resolutions;
4411 }
4412
4413 static MSVideoSize video_size_get_by_name(const char *name){
4414         MSVideoSizeDef *pdef=supported_resolutions;
4415         MSVideoSize null_vsize={0,0};
4416         for(;pdef->name!=NULL;pdef++){
4417                 if (strcasecmp(name,pdef->name)==0){
4418                         return pdef->vsize;
4419                 }
4420         }
4421         ms_warning("Video resolution %s is not supported in linphone.",name);
4422         return null_vsize;
4423 }
4424
4425 static const char *video_size_get_name(MSVideoSize vsize){
4426         MSVideoSizeDef *pdef=supported_resolutions;
4427         for(;pdef->name!=NULL;pdef++){
4428                 if (pdef->vsize.width==vsize.width && pdef->vsize.height==vsize.height){
4429                         return pdef->name;
4430                 }
4431         }
4432         return NULL;
4433 }
4434
4435 static bool_t video_size_supported(MSVideoSize vsize){
4436         if (video_size_get_name(vsize)) return TRUE;
4437         ms_warning("Video resolution %ix%i is not supported in linphone.",vsize.width,vsize.height);
4438         return FALSE;
4439 }
4440
4441 /**
4442  * Sets the preferred video size.
4443  *
4444  * @ingroup media_parameters
4445  * This applies only to the stream that is captured and sent to the remote party,
4446  * since we accept all standard video size on the receive path.
4447 **/
4448 void linphone_core_set_preferred_video_size(LinphoneCore *lc, MSVideoSize vsize){
4449         if (video_size_supported(vsize)){
4450                 MSVideoSize oldvsize=lc->video_conf.vsize;
4451                 lc->video_conf.vsize=vsize;
4452                 if (!ms_video_size_equal(oldvsize,vsize) && lc->previewstream!=NULL){
4453                         toggle_video_preview(lc,FALSE);
4454                         toggle_video_preview(lc,TRUE);
4455                 }
4456                 if ( linphone_core_ready(lc))
4457                         lp_config_set_string(lc->config,"video","size",video_size_get_name(vsize));
4458         }
4459 }
4460
4461 /**
4462  * Sets the preferred video size by its name.
4463  *
4464  * @ingroup media_parameters
4465  * This is identical to linphone_core_set_preferred_video_size() except
4466  * that it takes the name of the video resolution as input.
4467  * Video resolution names are: qcif, svga, cif, vga, 4cif, svga ...
4468 **/
4469 void linphone_core_set_preferred_video_size_by_name(LinphoneCore *lc, const char *name){
4470         MSVideoSize vsize=video_size_get_by_name(name);
4471         MSVideoSize default_vsize={MS_VIDEO_SIZE_CIF_W,MS_VIDEO_SIZE_CIF_H};
4472         if (vsize.width!=0)     linphone_core_set_preferred_video_size(lc,vsize);
4473         else linphone_core_set_preferred_video_size(lc,default_vsize);
4474 }
4475
4476 /**
4477  * Returns the current preferred video size for sending.
4478  *
4479  * @ingroup media_parameters
4480 **/
4481 MSVideoSize linphone_core_get_preferred_video_size(LinphoneCore *lc){
4482         return lc->video_conf.vsize;
4483 }
4484
4485 /**
4486  * Ask the core to stream audio from and to files, instead of using the soundcard.
4487 **/
4488 void linphone_core_use_files(LinphoneCore *lc, bool_t yesno){
4489         lc->use_files=yesno;
4490 }
4491
4492 /**
4493  * Sets a wav file to be played when putting somebody on hold,
4494  * or when files are used instead of soundcards (see linphone_core_use_files()).
4495  *
4496  * The file must be a 16 bit linear wav file.
4497 **/
4498 void linphone_core_set_play_file(LinphoneCore *lc, const char *file){
4499         LinphoneCall *call=linphone_core_get_current_call(lc);
4500         if (lc->play_file!=NULL){
4501                 ms_free(lc->play_file);
4502                 lc->play_file=NULL;
4503         }
4504         if (file!=NULL) {
4505                 lc->play_file=ms_strdup(file);
4506                 if (call && call->audiostream && call->audiostream->ms.ticker)
4507                         audio_stream_play(call->audiostream,file);
4508         }
4509 }
4510
4511
4512 /**
4513  * Sets a wav file where incoming stream is to be recorded,
4514  * when files are used instead of soundcards (see linphone_core_use_files()).
4515  *
4516  * The file must be a 16 bit linear wav file.
4517 **/
4518 void linphone_core_set_record_file(LinphoneCore *lc, const char *file){
4519         LinphoneCall *call=linphone_core_get_current_call(lc);
4520         if (lc->rec_file!=NULL){
4521                 ms_free(lc->rec_file);
4522                 lc->rec_file=NULL;
4523         }
4524         if (file!=NULL) {
4525                 lc->rec_file=ms_strdup(file);
4526                 if (call && call->audiostream)
4527                         audio_stream_record(call->audiostream,file);
4528         }
4529 }
4530
4531
4532 static MSFilter *get_dtmf_gen(LinphoneCore *lc){
4533         LinphoneCall *call=linphone_core_get_current_call (lc);
4534         AudioStream *stream=NULL;
4535         if (call){
4536                 stream=call->audiostream;
4537         }else if (linphone_core_is_in_conference(lc)){
4538                 stream=lc->conf_ctx.local_participant;
4539         }
4540         if (stream){
4541                 return stream->dtmfgen;
4542         }
4543         if (lc->ringstream==NULL){
4544                 float amp=lp_config_get_float(lc->config,"sound","dtmf_player_amp",0.1);
4545                 MSSndCard *ringcard=lc->sound_conf.lsd_card ?lc->sound_conf.lsd_card : lc->sound_conf.ring_sndcard;
4546                 if (ringcard == NULL)
4547                         return NULL;
4548
4549                 lc->ringstream=ring_start(NULL,0,ringcard);
4550                 ms_filter_call_method(lc->ringstream->gendtmf,MS_DTMF_GEN_SET_DEFAULT_AMPLITUDE,&amp);
4551                 lc->dmfs_playing_start_time=time(NULL);
4552         }else{
4553                 if (lc->dmfs_playing_start_time!=0)
4554                         lc->dmfs_playing_start_time=time(NULL);
4555         }
4556         return lc->ringstream->gendtmf;
4557 }
4558
4559 /**
4560  * @ingroup media_parameters
4561  * Plays a dtmf sound to the local user.
4562  * @param lc #LinphoneCore
4563  * @param dtmf DTMF to play ['0'..'16'] | '#' | '#'
4564  * @param duration_ms duration in ms, -1 means play until next further call to #linphone_core_stop_dtmf()
4565 **/
4566 void linphone_core_play_dtmf(LinphoneCore *lc, char dtmf, int duration_ms){
4567         MSFilter *f=get_dtmf_gen(lc);
4568         if (f==NULL){
4569                 ms_error("No dtmf generator at this time !");
4570                 return;
4571         }
4572
4573         if (duration_ms>0)
4574                 ms_filter_call_method(f, MS_DTMF_GEN_PLAY, &dtmf);
4575         else ms_filter_call_method(f, MS_DTMF_GEN_START, &dtmf);
4576 }
4577
4578 /**
4579  * @ingroup media_parameters
4580  * Plays a repeated tone to the local user until next further call to #linphone_core_stop_dtmf()
4581  * @param lc #LinphoneCore
4582 **/
4583 void linphone_core_play_tone(LinphoneCore *lc){
4584         MSFilter *f=get_dtmf_gen(lc);
4585         MSDtmfGenCustomTone def;
4586         if (f==NULL){
4587                 ms_error("No dtmf generator at this time !");
4588                 return;
4589         }
4590         def.duration=300;
4591         def.frequency=500;
4592         def.amplitude=1;
4593         def.interval=2000;
4594         ms_filter_call_method(f, MS_DTMF_GEN_PLAY_CUSTOM,&def);
4595 }
4596
4597 /**
4598  * @ingroup media_parameters
4599  *
4600  * Stops playing a dtmf started by linphone_core_play_dtmf().
4601 **/
4602 void linphone_core_stop_dtmf(LinphoneCore *lc){
4603         MSFilter *f=get_dtmf_gen(lc);
4604         if (f!=NULL)
4605                 ms_filter_call_method_noarg (f, MS_DTMF_GEN_STOP);
4606 }
4607
4608
4609
4610 /**
4611  * Retrieves the user pointer that was given to linphone_core_new()
4612  *
4613  * @ingroup initializing
4614 **/
4615 void *linphone_core_get_user_data(LinphoneCore *lc){
4616         return lc->data;
4617 }
4618
4619 void linphone_core_set_user_data(LinphoneCore *lc, void *userdata){
4620         lc->data=userdata;
4621 }
4622
4623 int linphone_core_get_mtu(const LinphoneCore *lc){
4624         return lc->net_conf.mtu;
4625 }
4626
4627 void linphone_core_set_mtu(LinphoneCore *lc, int mtu){
4628         lc->net_conf.mtu=mtu;
4629         if (mtu>0){
4630                 if (mtu<500){
4631                         ms_error("MTU too small !");
4632                         mtu=500;
4633                 }
4634                 ms_set_mtu(mtu);
4635                 ms_message("MTU is supposed to be %i, rtp payload max size will be %i",mtu, ms_get_payload_max_size());
4636         }else ms_set_mtu(0);//use mediastreamer2 default value
4637 }
4638
4639 void linphone_core_set_waiting_callback(LinphoneCore *lc, LinphoneWaitingCallback cb, void *user_context){
4640         lc->wait_cb=cb;
4641         lc->wait_ctx=user_context;
4642 }
4643
4644 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose){
4645         if (lc->wait_cb){
4646                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingStart,purpose,0);
4647         }
4648 }
4649
4650 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progress){
4651         if (lc->wait_cb){
4652                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingProgress,purpose,progress);
4653         }else{
4654 #ifdef WIN32
4655                 Sleep(50000);
4656 #else
4657                 usleep(50000);
4658 #endif
4659         }
4660 }
4661
4662 void linphone_core_stop_waiting(LinphoneCore *lc){
4663         if (lc->wait_cb){
4664                 lc->wait_ctx=lc->wait_cb(lc,lc->wait_ctx,LinphoneWaitingFinished,NULL,0);
4665         }
4666 }
4667
4668 void linphone_core_set_rtp_transport_factories(LinphoneCore* lc, LinphoneRtpTransportFactories *factories){
4669         lc->rtptf=factories;
4670 }
4671
4672 /**
4673  * Retrieve RTP statistics regarding current call.
4674  * @param local RTP statistics computed locally.
4675  * @param remote RTP statistics computed by far end (obtained via RTCP feedback).
4676  *
4677  * @note Remote RTP statistics is not implemented yet.
4678  *
4679  * @returns 0 or -1 if no call is running.
4680 **/
4681
4682 int linphone_core_get_current_call_stats(LinphoneCore *lc, rtp_stats_t *local, rtp_stats_t *remote){
4683         LinphoneCall *call=linphone_core_get_current_call (lc);
4684         if (call!=NULL){
4685                 if (call->audiostream!=NULL){
4686                         memset(remote,0,sizeof(*remote));
4687                         audio_stream_get_local_rtp_stats (call->audiostream,local);
4688                         return 0;
4689                 }
4690         }
4691         return -1;
4692 }
4693
4694 void net_config_uninit(LinphoneCore *lc)
4695 {
4696         net_config_t *config=&lc->net_conf;
4697
4698         if (config->stun_server!=NULL){
4699                 ms_free(lc->net_conf.stun_server);
4700         }
4701         if (config->nat_address!=NULL){
4702                 lp_config_set_string(lc->config,"net","nat_address",config->nat_address);
4703                 ms_free(lc->net_conf.nat_address);
4704         }
4705         if (lc->net_conf.nat_address_ip !=NULL){
4706                 ms_free(lc->net_conf.nat_address_ip);
4707         }
4708         lp_config_set_int(lc->config,"net","mtu",config->mtu);
4709 }
4710
4711
4712 void sip_config_uninit(LinphoneCore *lc)
4713 {
4714         MSList *elem;
4715         int i;
4716         sip_config_t *config=&lc->sip_conf;
4717
4718         lp_config_set_int(lc->config,"sip","guess_hostname",config->guess_hostname);
4719         lp_config_set_string(lc->config,"sip","contact",config->contact);
4720         lp_config_set_int(lc->config,"sip","inc_timeout",config->inc_timeout);
4721         lp_config_set_int(lc->config,"sip","in_call_timeout",config->in_call_timeout);
4722         lp_config_set_int(lc->config,"sip","use_info",config->use_info);
4723         lp_config_set_int(lc->config,"sip","use_rfc2833",config->use_rfc2833);
4724         lp_config_set_int(lc->config,"sip","use_ipv6",config->ipv6_enabled);
4725         lp_config_set_int(lc->config,"sip","register_only_when_network_is_up",config->register_only_when_network_is_up);
4726
4727
4728
4729
4730         for(elem=config->proxies,i=0;elem!=NULL;elem=ms_list_next(elem),i++){
4731                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)(elem->data);
4732                 linphone_proxy_config_edit(cfg);        /* to unregister */
4733         }
4734
4735         for (i=0;i<20;i++){
4736                 sal_iterate(lc->sal);
4737 #ifndef WIN32
4738                 usleep(100000);
4739 #else
4740                 Sleep(100);
4741 #endif
4742         }
4743
4744         ms_list_for_each(config->proxies,(void (*)(void*)) linphone_proxy_config_destroy);
4745         ms_list_free(config->proxies);
4746         config->proxies=NULL;
4747
4748         linphone_proxy_config_write_to_config_file(lc->config,NULL,i);  /*mark the end */
4749
4750         ms_list_for_each(lc->auth_info,(void (*)(void*))linphone_auth_info_destroy);
4751         ms_list_free(lc->auth_info);
4752         lc->auth_info=NULL;
4753
4754         sal_uninit(lc->sal);
4755         lc->sal=NULL;
4756
4757         if (lc->sip_conf.guessed_contact)
4758                 ms_free(lc->sip_conf.guessed_contact);
4759         if (config->contact)
4760                 ms_free(config->contact);
4761
4762 }
4763
4764 void rtp_config_uninit(LinphoneCore *lc)
4765 {
4766         rtp_config_t *config=&lc->rtp_conf;
4767         if (config->audio_rtp_min_port == config->audio_rtp_max_port) {
4768                 lp_config_set_int(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port);
4769         } else {
4770                 lp_config_set_range(lc->config, "rtp", "audio_rtp_port", config->audio_rtp_min_port, config->audio_rtp_max_port);
4771         }
4772         if (config->video_rtp_min_port == config->video_rtp_max_port) {
4773                 lp_config_set_int(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port);
4774         } else {
4775                 lp_config_set_range(lc->config, "rtp", "video_rtp_port", config->video_rtp_min_port, config->video_rtp_max_port);
4776         }
4777         lp_config_set_int(lc->config,"rtp","audio_jitt_comp",config->audio_jitt_comp);
4778         lp_config_set_int(lc->config,"rtp","video_jitt_comp",config->video_jitt_comp);
4779         lp_config_set_int(lc->config,"rtp","nortp_timeout",config->nortp_timeout);
4780         lp_config_set_int(lc->config,"rtp","audio_jitt_comp_enabled",config->audio_adaptive_jitt_comp_enabled);
4781         lp_config_set_int(lc->config,"rtp","video_jitt_comp_enabled",config->video_adaptive_jitt_comp_enabled);
4782 }
4783
4784 static void sound_config_uninit(LinphoneCore *lc)
4785 {
4786         sound_config_t *config=&lc->sound_conf;
4787         ms_free(config->cards);
4788
4789         lp_config_set_string(lc->config,"sound","remote_ring",config->remote_ring);
4790         lp_config_set_float(lc->config,"sound","playback_gain_db",config->soft_play_lev);
4791         lp_config_set_float(lc->config,"sound","mic_gain_db",config->soft_mic_lev);
4792
4793         if (config->local_ring) ms_free(config->local_ring);
4794         if (config->remote_ring) ms_free(config->remote_ring);
4795         ms_snd_card_manager_destroy();
4796 }
4797
4798 static void video_config_uninit(LinphoneCore *lc)
4799 {
4800         lp_config_set_string(lc->config,"video","size",video_size_get_name(linphone_core_get_preferred_video_size(lc)));
4801         lp_config_set_int(lc->config,"video","display",lc->video_conf.display);
4802         lp_config_set_int(lc->config,"video","capture",lc->video_conf.capture);
4803         if (lc->video_conf.cams)
4804                 ms_free(lc->video_conf.cams);
4805 }
4806
4807 void _linphone_core_codec_config_write(LinphoneCore *lc){
4808         if (linphone_core_ready(lc)){
4809                 PayloadType *pt;
4810                 codecs_config_t *config=&lc->codecs_conf;
4811                 MSList *node;
4812                 char key[50];
4813                 int index;
4814                 index=0;
4815                 for(node=config->audio_codecs;node!=NULL;node=ms_list_next(node)){
4816                         pt=(PayloadType*)(node->data);
4817                         sprintf(key,"audio_codec_%i",index);
4818                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4819                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4820                         lp_config_set_int(lc->config,key,"channels",pt->channels);
4821                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4822                         index++;
4823                 }
4824                 sprintf(key,"audio_codec_%i",index);
4825                 lp_config_clean_section (lc->config,key);
4826
4827                 index=0;
4828                 for(node=config->video_codecs;node!=NULL;node=ms_list_next(node)){
4829                         pt=(PayloadType*)(node->data);
4830                         sprintf(key,"video_codec_%i",index);
4831                         lp_config_set_string(lc->config,key,"mime",pt->mime_type);
4832                         lp_config_set_int(lc->config,key,"rate",pt->clock_rate);
4833                         lp_config_set_int(lc->config,key,"enabled",linphone_core_payload_type_enabled(lc,pt));
4834                         lp_config_set_string(lc->config,key,"recv_fmtp",pt->recv_fmtp);
4835                         index++;
4836                 }
4837                 sprintf(key,"video_codec_%i",index);
4838                 lp_config_clean_section (lc->config,key);
4839         }
4840 }
4841
4842 static void codecs_config_uninit(LinphoneCore *lc)
4843 {
4844         _linphone_core_codec_config_write(lc);
4845         ms_list_free(lc->codecs_conf.audio_codecs);
4846         ms_list_free(lc->codecs_conf.video_codecs);
4847 }
4848
4849 void ui_config_uninit(LinphoneCore* lc)
4850 {
4851         if (lc->friends){
4852                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_destroy);
4853                 ms_list_free(lc->friends);
4854                 lc->friends=NULL;
4855         }
4856 }
4857
4858 /**
4859  * Returns the LpConfig object used to manage the storage (config) file.
4860  *
4861  * @ingroup misc
4862  * The application can use the LpConfig object to insert its own private
4863  * sections and pairs of key=value in the configuration file.
4864  *
4865 **/
4866 LpConfig *linphone_core_get_config(LinphoneCore *lc){
4867         return lc->config;
4868 }
4869
4870 static void linphone_core_uninit(LinphoneCore *lc)
4871 {
4872         linphone_core_free_hooks(lc);
4873         while(lc->calls)
4874         {
4875                 LinphoneCall *the_call = lc->calls->data;
4876                 linphone_core_terminate_call(lc,the_call);
4877                 linphone_core_iterate(lc);
4878 #ifdef WIN32
4879                 Sleep(50000);
4880 #else
4881                 usleep(50000);
4882 #endif
4883         }
4884         if (lc->friends)
4885                 ms_list_for_each(lc->friends,(void (*)(void *))linphone_friend_close_subscriptions);
4886         linphone_core_set_state(lc,LinphoneGlobalShutdown,"Shutting down");
4887 #ifdef VIDEO_ENABLED
4888         if (lc->previewstream!=NULL){
4889                 video_preview_stop(lc->previewstream);
4890                 lc->previewstream=NULL;
4891         }
4892 #endif
4893         ms_event_queue_destroy(lc->msevq);
4894         lc->msevq=NULL;
4895         /* save all config */
4896         net_config_uninit(lc);
4897         rtp_config_uninit(lc);
4898         if (lc->ringstream) ring_stop(lc->ringstream);
4899         sound_config_uninit(lc);
4900         video_config_uninit(lc);
4901         codecs_config_uninit(lc);
4902         ui_config_uninit(lc);
4903         sip_config_uninit(lc);
4904         if (lp_config_needs_commit(lc->config)) lp_config_sync(lc->config);
4905         lp_config_destroy(lc->config);
4906         lc->config = NULL; /* Mark the config as NULL to block further calls */
4907         sip_setup_unregister_all();
4908
4909         ms_list_for_each(lc->call_logs,(void (*)(void*))linphone_call_log_destroy);
4910         lc->call_logs=ms_list_free(lc->call_logs);
4911
4912         ms_list_for_each(lc->last_recv_msg_ids,ms_free);
4913         lc->last_recv_msg_ids=ms_list_free(lc->last_recv_msg_ids);
4914
4915         linphone_core_free_payload_types(lc);
4916         ortp_exit();
4917         linphone_core_set_state(lc,LinphoneGlobalOff,"Off");
4918 #ifdef TUNNEL_ENABLED
4919         if (lc->tunnel) linphone_tunnel_destroy(lc->tunnel);
4920 #endif
4921 }
4922
4923 static void set_network_reachable(LinphoneCore* lc,bool_t isReachable, time_t curtime){
4924         ms_message("Network state is now [%s]",isReachable?"UP":"DOWN");
4925         // second get the list of available proxies
4926         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4927         for(;elem!=NULL;elem=elem->next){
4928                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4929                 if (linphone_proxy_config_register_enabled(cfg) ) {
4930                         if (!isReachable) {
4931                                 linphone_proxy_config_set_state(cfg, LinphoneRegistrationNone,"Registration impossible (network down)");
4932                         }else{
4933                                 cfg->commit=TRUE;
4934                         }
4935                 }
4936         }
4937         lc->netup_time=curtime;
4938         lc->network_reachable=isReachable;
4939         if(!isReachable) {
4940                 sal_reset_transports(lc->sal);
4941         }
4942 }
4943
4944 void linphone_core_refresh_registers(LinphoneCore* lc) {
4945         const MSList *elem;
4946         if (!lc->network_reachable) {
4947                 ms_warning("Refresh register operation not available (network unreachable)");
4948                 return;
4949         }
4950         elem=linphone_core_get_proxy_config_list(lc);
4951         for(;elem!=NULL;elem=elem->next){
4952                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4953                 if (linphone_proxy_config_register_enabled(cfg) && linphone_proxy_config_get_expires(cfg)>0) {
4954                         linphone_proxy_config_refresh_register(cfg);
4955                 }
4956         }
4957 }
4958
4959 void __linphone_core_invalidate_registers(LinphoneCore* lc){
4960         const MSList *elem=linphone_core_get_proxy_config_list(lc);
4961         for(;elem!=NULL;elem=elem->next){
4962                 LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)elem->data;
4963                 if (linphone_proxy_config_register_enabled(cfg)) {
4964                         linphone_proxy_config_edit(cfg);
4965                         linphone_proxy_config_done(cfg);
4966                 }
4967         }
4968 }
4969
4970 void linphone_core_set_network_reachable(LinphoneCore* lc,bool_t isReachable) {
4971         //first disable automatic mode
4972         if (lc->auto_net_state_mon) {
4973                 ms_message("Disabling automatic network state monitoring");
4974                 lc->auto_net_state_mon=FALSE;
4975         }
4976         set_network_reachable(lc,isReachable, ms_time(NULL));
4977 }
4978
4979 bool_t linphone_core_is_network_reachable(LinphoneCore* lc) {
4980         return lc->network_reachable;
4981 }
4982 ortp_socket_t linphone_core_get_sip_socket(LinphoneCore *lc){
4983         return sal_get_socket(lc->sal);
4984 }
4985 /**
4986  * Destroys a LinphoneCore
4987  *
4988  * @ingroup initializing
4989 **/
4990 void linphone_core_destroy(LinphoneCore *lc){
4991         linphone_core_uninit(lc);
4992         ms_free(lc);
4993 }
4994 /**
4995  * Get the number of Call
4996  *
4997  * @ingroup call_control
4998 **/
4999 int linphone_core_get_calls_nb(const LinphoneCore *lc){
5000         return  ms_list_size(lc->calls);;
5001 }
5002
5003 /**
5004  * Check if we do not have exceed the number of simultaneous call
5005  *
5006  * @ingroup call_control
5007 **/
5008 bool_t linphone_core_can_we_add_call(LinphoneCore *lc)
5009 {
5010         if(linphone_core_get_calls_nb(lc) < lc->max_calls)
5011                 return TRUE;
5012         ms_message("Maximum amount of simultaneous calls reached !");
5013         return FALSE;
5014 }
5015
5016
5017 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call)
5018 {
5019         if(linphone_core_can_we_add_call(lc))
5020         {
5021                 lc->calls = ms_list_append(lc->calls,call);
5022                 return 0;
5023         }
5024         return -1;
5025 }
5026
5027 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call)
5028 {
5029         MSList *it;
5030         MSList *the_calls = lc->calls;
5031
5032         it=ms_list_find(the_calls,call);
5033         if (it)
5034         {
5035                 the_calls = ms_list_remove_link(the_calls,it);
5036         }
5037         else
5038         {
5039                 ms_warning("could not find the call into the list\n");
5040                 return -1;
5041         }
5042         lc->calls = the_calls;
5043         return 0;
5044 }
5045
5046 /**
5047  * Specifiies a ring back tone to be played to far end during incoming calls.
5048 **/
5049 void linphone_core_set_remote_ringback_tone(LinphoneCore *lc, const char *file){
5050         if (lc->sound_conf.ringback_tone){
5051                 ms_free(lc->sound_conf.ringback_tone);
5052                 lc->sound_conf.ringback_tone=NULL;
5053         }
5054         if (file)
5055                 lc->sound_conf.ringback_tone=ms_strdup(file);
5056 }
5057
5058 /**
5059  * Returns the ring back tone played to far end during incoming calls.
5060 **/
5061 const char *linphone_core_get_remote_ringback_tone(const LinphoneCore *lc){
5062         return lc->sound_conf.ringback_tone;
5063 }
5064
5065 static PayloadType* find_payload_type_from_list(const char* type, int rate, int channels, const MSList* from) {
5066         const MSList *elem;
5067         for(elem=from;elem!=NULL;elem=elem->next){
5068                 PayloadType *pt=(PayloadType*)elem->data;
5069                 if ((strcasecmp((char*)type, payload_type_get_mime(pt)) == 0)
5070                         && (rate == LINPHONE_FIND_PAYLOAD_IGNORE_RATE || rate==pt->clock_rate)
5071                         && (channels == LINPHONE_FIND_PAYLOAD_IGNORE_CHANNELS || channels==pt->channels)) {
5072                         return pt;
5073                 }
5074         }
5075         return NULL;
5076 }
5077
5078
5079 PayloadType* linphone_core_find_payload_type(LinphoneCore* lc, const char* type, int rate, int channels) {
5080         PayloadType* result = find_payload_type_from_list(type, rate, channels, linphone_core_get_audio_codecs(lc));
5081         if (result)  {
5082                 return result;
5083         } else {
5084                 result = find_payload_type_from_list(type, rate, 0, linphone_core_get_video_codecs(lc));
5085                 if (result) {
5086                         return result;
5087                 }
5088         }
5089         /*not found*/
5090         return NULL;
5091 }
5092
5093 const char *linphone_global_state_to_string(LinphoneGlobalState gs){
5094         switch(gs){
5095                 case LinphoneGlobalOff:
5096                         return "LinphoneGlobalOff";
5097                 break;
5098                 case LinphoneGlobalOn:
5099                         return "LinphoneGlobalOn";
5100                 break;
5101                 case LinphoneGlobalStartup:
5102                         return "LinphoneGlobalStartup";
5103                 break;
5104                 case LinphoneGlobalShutdown:
5105                         return "LinphoneGlobalShutdown";
5106                 break;
5107         }
5108         return NULL;
5109 }
5110
5111 LinphoneGlobalState linphone_core_get_global_state(const LinphoneCore *lc){
5112         return lc->state;
5113 }
5114
5115 LinphoneCallParams *linphone_core_create_default_call_parameters(LinphoneCore *lc){
5116         LinphoneCallParams *p=ms_new0(LinphoneCallParams,1);
5117         linphone_core_init_default_params(lc, p);
5118         return p;
5119 }
5120
5121 const char *linphone_reason_to_string(LinphoneReason err){
5122         switch(err){
5123                 case LinphoneReasonNone:
5124                         return "No error";
5125                 case LinphoneReasonNoResponse:
5126                         return "No response";
5127                 case LinphoneReasonBadCredentials:
5128                         return "Bad credentials";
5129                 case LinphoneReasonDeclined:
5130                         return "Call declined";
5131                 case LinphoneReasonNotFound:
5132                         return "User not found";
5133                 case LinphoneReasonNotAnswered:
5134                         return "Not answered";
5135                 case LinphoneReasonBusy:
5136                         return "Busy";
5137         }
5138         return "unknown error";
5139 }
5140
5141 const char *linphone_error_to_string(LinphoneReason err){
5142         return linphone_reason_to_string(err);
5143 }
5144 /**
5145  * Enables signaling keep alive
5146  */
5147 void linphone_core_enable_keep_alive(LinphoneCore* lc,bool_t enable) {
5148         if (enable > 0) {
5149                 sal_set_keepalive_period(lc->sal,lc->sip_conf.keepalive_period);
5150         } else {
5151                 sal_set_keepalive_period(lc->sal,0);
5152         }
5153 }
5154 /**
5155  * Is signaling keep alive enabled
5156  */
5157 bool_t linphone_core_keep_alive_enabled(LinphoneCore* lc) {
5158         return sal_get_keepalive_period(lc->sal) > 0;
5159 }
5160
5161 void linphone_core_start_dtmf_stream(LinphoneCore* lc) {
5162         get_dtmf_gen(lc); /*make sure ring stream is started*/
5163         lc->ringstream_autorelease=FALSE; /*disable autorelease mode*/
5164 }
5165
5166 void linphone_core_stop_dtmf_stream(LinphoneCore* lc) {
5167         if (lc->ringstream && lc->dmfs_playing_start_time!=0) {
5168                 ring_stop(lc->ringstream);
5169                 lc->ringstream=NULL;
5170         }
5171 }
5172
5173 int linphone_core_get_max_calls(LinphoneCore *lc) {
5174         return lc->max_calls;
5175 }
5176 void linphone_core_set_max_calls(LinphoneCore *lc, int max) {
5177         lc->max_calls=max;
5178 }
5179
5180 typedef struct Hook{
5181         LinphoneCoreIterateHook fun;
5182         void *data;
5183 }Hook;
5184
5185 static Hook *hook_new(LinphoneCoreIterateHook hook, void *hook_data){
5186         Hook *h=ms_new(Hook,1);
5187         h->fun=hook;
5188         h->data=hook_data;
5189         return h;
5190 }
5191
5192 static void hook_invoke(Hook *h){
5193         h->fun(h->data);
5194 }
5195
5196 void linphone_core_add_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5197         lc->hooks=ms_list_append(lc->hooks,hook_new(hook,hook_data));
5198 }
5199
5200 static void linphone_core_run_hooks(LinphoneCore *lc){
5201         ms_list_for_each(lc->hooks,(void (*)(void*))hook_invoke);
5202 }
5203
5204 static void linphone_core_free_hooks(LinphoneCore *lc){
5205         ms_list_for_each(lc->hooks,(void (*)(void*))ms_free);
5206         ms_list_free(lc->hooks);
5207         lc->hooks=NULL;
5208 }
5209
5210 void linphone_core_remove_iterate_hook(LinphoneCore *lc, LinphoneCoreIterateHook hook, void *hook_data){
5211         MSList *elem;
5212         for(elem=lc->hooks;elem!=NULL;elem=elem->next){
5213                 Hook *h=(Hook*)elem->data;
5214                 if (h->fun==hook && h->data==hook_data){
5215                         ms_list_remove_link(lc->hooks,elem);
5216                         ms_free(h);
5217                         return;
5218                 }
5219         }
5220         ms_error("linphone_core_remove_iterate_hook(): No such hook found.");
5221 }
5222
5223 void linphone_core_set_zrtp_secrets_file(LinphoneCore *lc, const char* file){
5224         if (lc->zrtp_secrets_cache != NULL) {
5225                 ms_free(lc->zrtp_secrets_cache);
5226         }
5227         lc->zrtp_secrets_cache=file ? ms_strdup(file) : NULL;
5228 }
5229
5230 const char *linphone_core_get_zrtp_secrets_file(LinphoneCore *lc){
5231         return lc->zrtp_secrets_cache;
5232 }
5233
5234 const LinphoneCall* linphone_core_find_call_from_uri(LinphoneCore *lc, const char *uri) {
5235         if (uri == NULL) return NULL;
5236         MSList *calls=lc->calls;
5237         while(calls) {
5238                 const LinphoneCall *c=(LinphoneCall*)calls->data;
5239                 calls=calls->next;
5240                 const LinphoneAddress *address = linphone_call_get_remote_address(c);
5241                 char *current_uri=linphone_address_as_string_uri_only(address);
5242                 if (strcmp(uri,current_uri)==0) {
5243                         ms_free(current_uri);
5244                         return c;
5245                 } else {
5246                         ms_free(current_uri);
5247                 }
5248         }
5249         return NULL;
5250 }
5251
5252
5253 /**
5254  * Check if a call will need the sound resources.
5255  *
5256  * @ingroup call_control
5257  * @param lc The LinphoneCore
5258 **/
5259 bool_t linphone_core_sound_resources_locked(LinphoneCore *lc){
5260         MSList *calls=lc->calls;
5261         while(calls) {
5262                 LinphoneCall *c=(LinphoneCall*)calls->data;
5263                 calls=calls->next;
5264                 switch (c->state) {
5265                         case LinphoneCallOutgoingInit:
5266                         case LinphoneCallOutgoingProgress:
5267                         case LinphoneCallOutgoingRinging:
5268                         case LinphoneCallOutgoingEarlyMedia:
5269                         case LinphoneCallConnected:
5270                         case LinphoneCallRefered:
5271                         case LinphoneCallIncomingEarlyMedia:
5272                         case LinphoneCallUpdating:
5273                                 return TRUE;
5274                         default:
5275                                 break;
5276                 }
5277         }
5278         return FALSE;
5279 }
5280
5281 void linphone_core_set_srtp_enabled(LinphoneCore *lc, bool_t enabled) {
5282         lp_config_set_int(lc->config,"sip","srtp",(int)enabled);
5283 }
5284
5285 /**
5286  * Returns whether a media encryption scheme is supported by the LinphoneCore engine
5287 **/
5288 bool_t linphone_core_media_encryption_supported(const LinphoneCore *lc, LinphoneMediaEncryption menc){
5289         switch(menc){
5290                 case LinphoneMediaEncryptionSRTP:
5291                         return ortp_srtp_supported();
5292                 case LinphoneMediaEncryptionZRTP:
5293                         return ortp_zrtp_available();
5294                 case LinphoneMediaEncryptionNone:
5295                         return TRUE;
5296         }
5297         return FALSE;
5298 }
5299
5300 int linphone_core_set_media_encryption(LinphoneCore *lc, enum LinphoneMediaEncryption menc) {
5301         const char *type="none";
5302         int ret=0;
5303         if (menc == LinphoneMediaEncryptionSRTP){
5304                 if (!ortp_srtp_supported()){
5305                         ms_warning("SRTP not supported by library.");
5306                         type="none";
5307                         ret=-1;
5308                 }else type="srtp";
5309         }else if (menc == LinphoneMediaEncryptionZRTP){
5310                 if (!ortp_zrtp_available()){
5311                         ms_warning("ZRTP not supported by library.");
5312                         type="none";
5313                         ret=-1;
5314                 }else type="zrtp";
5315         }
5316         lp_config_set_string(lc->config,"sip","media_encryption",type);
5317         return ret;
5318 }
5319
5320 LinphoneMediaEncryption linphone_core_get_media_encryption(LinphoneCore *lc) {
5321         const char* menc = lp_config_get_string(lc->config, "sip", "media_encryption", NULL);
5322
5323         if (menc == NULL)
5324                 return LinphoneMediaEncryptionNone;
5325         else if (strcmp(menc, "srtp")==0)
5326                 return LinphoneMediaEncryptionSRTP;
5327         else if (strcmp(menc, "zrtp")==0)
5328                 return LinphoneMediaEncryptionZRTP;
5329         else
5330                 return LinphoneMediaEncryptionNone;
5331 }
5332
5333 bool_t linphone_core_is_media_encryption_mandatory(LinphoneCore *lc) {
5334         return (bool_t)lp_config_get_int(lc->config, "sip", "media_encryption_mandatory", 0);
5335 }
5336
5337 void linphone_core_set_media_encryption_mandatory(LinphoneCore *lc, bool_t m) {
5338         lp_config_set_int(lc->config, "sip", "media_encryption_mandatory", (int)m);
5339 }
5340
5341 void linphone_core_init_default_params(LinphoneCore*lc, LinphoneCallParams *params) {
5342         params->has_video=linphone_core_video_enabled(lc) && lc->video_policy.automatically_initiate;
5343         params->media_encryption=linphone_core_get_media_encryption(lc);
5344         params->in_conference=FALSE;
5345 }
5346
5347
5348
5349 void linphone_core_set_device_identifier(LinphoneCore *lc,const char* device_id) {
5350         if (lc->device_id) ms_free(lc->device_id);
5351         lc->device_id=ms_strdup(device_id);
5352 }
5353 const char*  linphone_core_get_device_identifier(const LinphoneCore *lc) {
5354         return lc->device_id;
5355 }
5356
5357 /**
5358  * Set the DSCP field for SIP signaling channel.
5359  *
5360  * @ingroup network_parameters
5361  * * The DSCP defines the quality of service in IP packets.
5362  *
5363 **/
5364 void linphone_core_set_sip_dscp(LinphoneCore *lc, int dscp){
5365         sal_set_dscp(lc->sal,dscp);
5366         if (linphone_core_ready(lc)){
5367                 lp_config_set_int_hex(lc->config,"sip","dscp",dscp);
5368                 apply_transports(lc);
5369         }
5370 }
5371
5372 /**
5373  * Get the DSCP field for SIP signaling channel.
5374  *
5375  * @ingroup network_parameters
5376  * * The DSCP defines the quality of service in IP packets.
5377  *
5378 **/
5379 int linphone_core_get_sip_dscp(const LinphoneCore *lc){
5380         return lp_config_get_int(lc->config,"sip","dscp",0x1a);
5381 }
5382
5383 /**
5384  * Set the DSCP field for outgoing audio streams.
5385  *
5386  * @ingroup network_parameters
5387  * The DSCP defines the quality of service in IP packets.
5388  *
5389 **/
5390 void linphone_core_set_audio_dscp(LinphoneCore *lc, int dscp){
5391         if (linphone_core_ready(lc))
5392                 lp_config_set_int_hex(lc->config,"rtp","audio_dscp",dscp);
5393 }
5394
5395 /**
5396  * Get the DSCP field for outgoing audio streams.
5397  *
5398  * @ingroup network_parameters
5399  * The DSCP defines the quality of service in IP packets.
5400  *
5401 **/
5402 int linphone_core_get_audio_dscp(const LinphoneCore *lc){
5403         return lp_config_get_int(lc->config,"rtp","audio_dscp",0x2e);
5404 }
5405
5406 /**
5407  * Set the DSCP field for outgoing video streams.
5408  *
5409  * @ingroup network_parameters
5410  * The DSCP defines the quality of service in IP packets.
5411  *
5412 **/
5413 void linphone_core_set_video_dscp(LinphoneCore *lc, int dscp){
5414         if (linphone_core_ready(lc))
5415                 lp_config_set_int_hex(lc->config,"rtp","video_dscp",dscp);
5416
5417 }
5418
5419 /**
5420  * Get the DSCP field for outgoing video streams.
5421  *
5422  * @ingroup network_parameters
5423  * The DSCP defines the quality of service in IP packets.
5424  *
5425 **/
5426 int linphone_core_get_video_dscp(const LinphoneCore *lc){
5427         return lp_config_get_int(lc->config,"rtp","video_dscp",0x2e);
5428 }