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