sjero.net Git - linphone/blob - coreapi/private.h

   1 /***************************************************************************
   2  *            private.h
   3  *
   4  *  Mon Jun 13 14:23:23 2005
   5  *  Copyright  2005  Simon Morlat
   6  *  Email simon dot morlat at linphone dot org
   7  ****************************************************************************/
   8
   9 /*
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  23  */
  24
  25 #ifndef _PRIVATE_H
  26 #define _PRIVATE_H
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30 #include "linphonecore.h"
  31 #include "linphonefriend.h"
  32 #include "linphone_tunnel.h"
  33 #include "linphonecore_utils.h"
  34 #include "sal.h"
  35 #include "sipsetup.h"
  36
  37 #ifdef HAVE_CONFIG_H
  38 #include "config.h"
  39 #endif
  40 #include "mediastreamer2/ice.h"
  41 #include "mediastreamer2/mediastream.h"
  42 #include "mediastreamer2/msconference.h"
  43 #ifdef BUILD_UPNP
  44 #include "upnp.h"
  45 #endif  //BUILD_UPNP
  46
  47 #ifndef LIBLINPHONE_VERSION
  48 #define LIBLINPHONE_VERSION LINPHONE_VERSION
  49 #endif
  50
  51 #ifndef PACKAGE_SOUND_DIR
  52 #define PACKAGE_SOUND_DIR "."
  53 #endif
  54
  55 #ifndef PACKAGE_DATA_DIR
  56 #define PACKAGE_DATA_DIR "."
  57 #endif
  58
  59 #ifdef HAVE_GETTEXT
  60 #include <libintl.h>
  61 #ifndef _
  62 #define _(String) gettext(String)
  63 #endif
  64 #else
  65 #ifndef _
  66 #define _(something)    (something)
  67 #endif
  68 #ifndef ngettext
  69 #define ngettext(singular, plural, number)      (((number)==1)?(singular):(plural))
  70 #endif
  71 #endif
  72
  73 struct _LinphoneCallParams{
  74         LinphoneCall *referer; /*in case this call creation is consecutive to an incoming transfer, this points to the original call */
  75         int audio_bw; /* bandwidth limit for audio stream */
  76         LinphoneMediaEncryption media_encryption;
  77         PayloadType *audio_codec; /*audio codec currently in use */
  78         PayloadType *video_codec; /*video codec currently in use */
  79         int down_bw;
  80         int up_bw;
  81         int down_ptime;
  82         int up_ptime;
  83         bool_t has_video;
  84         bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
  85         bool_t in_conference; /*in conference mode */
  86         bool_t pad;
  87         bool_t low_bandwidth;
  88 };
  89
  90 typedef struct _CallCallbackObj
  91 {
  92     LinphoneCallCbFunc _func;
  93     void * _user_data;
  94 }CallCallbackObj;
  95
  96 static const int linphone_call_magic=0x3343;
  97
  98 struct _LinphoneChatMessage {
  99         char* message;
 100         LinphoneChatRoom* chat_room;
 101         LinphoneChatMessageStateChangeCb cb;
 102         void* cb_ud;
 103         void* message_userdata;
 104         char* external_body_url;
 105         LinphoneAddress* from;
 106 };
 107
 108 typedef struct StunCandidate{
 109         char addr[64];
 110         int port;
 111 }StunCandidate;
 112
 113
 114 struct _LinphoneCall
 115 {
 116         int magic; /*used to distinguish from proxy config*/
 117         struct _LinphoneCore *core;
 118         SalMediaDescription *localdesc;
 119         SalMediaDescription *resultdesc;
 120         LinphoneCallDir dir;
 121         LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
 122         struct _RtpProfile *audio_profile;
 123         struct _RtpProfile *video_profile;
 124         struct _LinphoneCallLog *log;
 125         SalOp *op;
 126         SalOp *ping_op;
 127         char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
 128         time_t start_time; /*time at which the call was initiated*/
 129         time_t media_start_time; /*time at which it was accepted, media streams established*/
 130         LinphoneCallState       state;
 131         LinphoneCallState transfer_state; /*idle if no transfer*/
 132         LinphoneReason reason;
 133         LinphoneProxyConfig *dest_proxy;
 134         int refcnt;
 135         void * user_pointer;
 136         int audio_port;
 137         int video_port;
 138         StunCandidate ac,vc; /*audio video ip/port discovered by STUN*/
 139         struct _AudioStream *audiostream;  /**/
 140         struct _VideoStream *videostream;
 141         MSAudioEndpoint *endpoint; /*used for conferencing*/
 142         char *refer_to;
 143         LinphoneCallParams params;
 144         LinphoneCallParams current_params;
 145         LinphoneCallParams remote_params;
 146         int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
 147         int audio_bw;   /*upload bandwidth used by audio */
 148         OrtpEvQueue *audiostream_app_evq;
 149         char *auth_token;
 150         OrtpEvQueue *videostream_app_evq;
 151         CallCallbackObj nextVideoFrameDecoded;
 152         LinphoneCallStats stats[2];
 153 #ifdef BUILD_UPNP
 154         UpnpSession *upnp_session;
 155 #endif //BUILD_UPNP
 156         IceSession *ice_session;
 157         LinphoneChatMessage* pending_message;
 158         int ping_time;
 159         unsigned int remote_session_id;
 160         unsigned int remote_session_ver;
 161         bool_t refer_pending;
 162         bool_t media_pending;
 163         bool_t audio_muted;
 164         bool_t camera_active;
 165
 166         bool_t all_muted; /*this flag is set during early medias*/
 167         bool_t playing_ringbacktone;
 168         bool_t owns_call_log;
 169         bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
 170
 171         bool_t videostream_encrypted;
 172         bool_t audiostream_encrypted;
 173         bool_t auth_token_verified;
 174         bool_t defer_update;
 175
 176         bool_t was_automatically_paused;
 177         bool_t ping_replied;
 178 };
 179
 180
 181 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
 182 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
 183 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
 184
 185 /* private: */
 186 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
 187 void linphone_call_log_completed(LinphoneCall *call);
 188 void linphone_call_log_destroy(LinphoneCallLog *cl);
 189 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
 190
 191 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
 192
 193 void linphone_core_update_proxy_register(LinphoneCore *lc);
 194 void linphone_core_refresh_subscribes(LinphoneCore *lc);
 195 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
 196
 197 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
 198 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
 199
 200 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
 201 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
 202 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
 203 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
 204 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
 205
 206 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
 207 int set_lock_file();
 208 int get_lock_file();
 209 int remove_lock_file();
 210 void check_sound_device(LinphoneCore *lc);
 211 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
 212 bool_t host_has_ipv6_network();
 213 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
 214
 215 static inline int get_min_bandwidth(int dbw, int ubw){
 216         if (dbw<=0) return ubw;
 217         if (ubw<=0) return dbw;
 218         return MIN(dbw,ubw);
 219 }
 220
 221 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
 222         if (bw1<0) return TRUE;
 223         else if (bw2<0) return FALSE;
 224         else return bw1>=bw2;
 225 }
 226
 227 static inline int get_video_bandwidth(int total, int audio){
 228         if (total<=0) return 0;
 229         return total-audio-10;
 230 }
 231
 232 static inline void set_string(char **dest, const char *src){
 233         if (*dest){
 234                 ms_free(*dest);
 235                 *dest=NULL;
 236         }
 237         if (src)
 238                 *dest=ms_strdup(src);
 239 }
 240
 241 #define PAYLOAD_TYPE_ENABLED    PAYLOAD_TYPE_USER_FLAG_0
 242
 243 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
 244 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
 245 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
 246 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
 247 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
 248 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
 249
 250 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
 251 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
 252
 253 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
 254
 255 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
 256 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
 257
 258 int linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
 259 void linphone_core_adapt_to_network(LinphoneCore *lc, int ping_time_ms, LinphoneCallParams *params);
 260 int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
 261 void linphone_core_update_ice_state_in_call_stats(LinphoneCall *call);
 262 void linphone_core_update_local_media_description_from_ice(SalMediaDescription *desc, IceSession *session);
 263 void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md);
 264 bool_t linphone_core_media_description_contains_video_stream(const SalMediaDescription *md);
 265
 266 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
 267 void linphone_core_write_friends_config(LinphoneCore* lc);
 268 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
 269 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
 270
 271 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
 272 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
 273 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
 274 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
 275 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
 276
 277 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
 278 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
 279
 280 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
 281
 282 void linphone_core_message_received(LinphoneCore *lc, const char *from, const char *raw_msg,const char* external_url);
 283
 284 void linphone_core_play_tone(LinphoneCore *lc);
 285
 286 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
 287
 288 void linphone_call_init_audio_stream(LinphoneCall *call);
 289 void linphone_call_init_video_stream(LinphoneCall *call);
 290 void linphone_call_init_media_streams(LinphoneCall *call);
 291 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
 292 void linphone_call_start_media_streams_for_ice_gathering(LinphoneCall *call);
 293 void linphone_call_stop_audio_stream(LinphoneCall *call);
 294 void linphone_call_stop_video_stream(LinphoneCall *call);
 295 void linphone_call_stop_media_streams(LinphoneCall *call);
 296 void linphone_call_delete_ice_session(LinphoneCall *call);
 297 void linphone_call_delete_upnp_session(LinphoneCall *call);
 298 void linphone_call_stop_media_streams_for_ice_gathering(LinphoneCall *call);
 299 void linphone_call_update_crypto_parameters(LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md);
 300 void linphone_call_update_remote_session_id_and_ver(LinphoneCall *call);
 301
 302 const char * linphone_core_get_identity(LinphoneCore *lc);
 303 const char * linphone_core_get_route(LinphoneCore *lc);
 304 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
 305 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
 306 void linphone_core_stop_waiting(LinphoneCore *lc);
 307
 308 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
 309 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call);
 310 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call);
 311 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call);
 312 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
 313 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call);
 314 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md);
 315 extern SalCallbacks linphone_sal_callbacks;
 316 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
 317 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
 318
 319 LinphoneCall * is_a_linphone_call(void *user_pointer);
 320 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
 321
 322 static const int linphone_proxy_config_magic=0x7979;
 323
 324 /*chat*/
 325 void linphone_chat_message_destroy(LinphoneChatMessage* msg);
 326 /**/
 327
 328 struct _LinphoneProxyConfig
 329 {
 330         int magic;
 331         struct _LinphoneCore *lc;
 332         char *reg_proxy;
 333         char *reg_identity;
 334         char *reg_route;
 335         char *realm;
 336         char *contact_params;
 337         int expires;
 338         int reg_time;
 339         SalOp *op;
 340         char *type;
 341         struct _SipSetupContext *ssctx;
 342         int auth_failures;
 343         char *dial_prefix;
 344         LinphoneRegistrationState state;
 345         SalOp *publish_op;
 346         bool_t commit;
 347         bool_t reg_sendregister;
 348         bool_t publish;
 349         bool_t dial_escape_plus;
 350         void* user_data;
 351         time_t deletion_date;
 352         LinphoneReason error;
 353 };
 354
 355 struct _LinphoneAuthInfo
 356 {
 357         char *username;
 358         char *realm;
 359         char *userid;
 360         char *passwd;
 361         char *ha1;
 362         int usecount;
 363         time_t last_use_time;
 364         bool_t works;
 365 };
 366
 367 struct _LinphoneChatRoom{
 368         struct _LinphoneCore *lc;
 369         char  *peer;
 370         LinphoneAddress *peer_url;
 371         void * user_data;
 372 };
 373
 374
 375
 376 struct _LinphoneFriend{
 377         LinphoneAddress *uri;
 378         SalOp *insub;
 379         SalOp *outsub;
 380         LinphoneSubscribePolicy pol;
 381         LinphoneOnlineStatus status;
 382         struct _LinphoneCore *lc;
 383         BuddyInfo *info;
 384         char *refkey;
 385         bool_t subscribe;
 386         bool_t subscribe_active;
 387         bool_t inc_subscribe_pending;
 388         bool_t commit;
 389 };
 390
 391
 392 typedef struct sip_config
 393 {
 394         char *contact;
 395         char *guessed_contact;
 396         MSList *proxies;
 397         MSList *deleted_proxies;
 398         int inc_timeout;        /*timeout after an un-answered incoming call is rejected*/
 399         int in_call_timeout;    /*timeout after a call is hangup */
 400         unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
 401         LCSipTransports transports;
 402         bool_t use_info;
 403         bool_t use_rfc2833;     /*force RFC2833 to be sent*/
 404         bool_t guess_hostname;
 405         bool_t loopback_only;
 406         bool_t ipv6_enabled;
 407         bool_t sdp_200_ack;
 408         bool_t register_only_when_network_is_up;
 409         bool_t ping_with_options;
 410         bool_t auto_net_state_mon;
 411         bool_t tcp_tls_keepalive;
 412 } sip_config_t;
 413
 414 typedef struct rtp_config
 415 {
 416         int audio_rtp_min_port;
 417         int audio_rtp_max_port;
 418         int video_rtp_min_port;
 419         int video_rtp_max_port;
 420         int audio_jitt_comp;  /*jitter compensation*/
 421         int video_jitt_comp;  /*jitter compensation*/
 422         int nortp_timeout;
 423         bool_t rtp_no_xmit_on_audio_mute;
 424                               /* stop rtp xmit when audio muted */
 425         bool_t audio_adaptive_jitt_comp_enabled;
 426         bool_t video_adaptive_jitt_comp_enabled;
 427         bool_t pad;
 428 }rtp_config_t;
 429
 430
 431
 432 typedef struct net_config
 433 {
 434         char *nat_address; /* may be IP or host name */
 435         char *nat_address_ip; /* ip translated from nat_address */
 436         char *stun_server;
 437         char *relay;
 438         int download_bw;
 439         int upload_bw;
 440         int firewall_policy;
 441         int mtu;
 442         bool_t nat_sdp_only;
 443 }net_config_t;
 444
 445
 446 typedef struct sound_config
 447 {
 448         struct _MSSndCard * ring_sndcard;       /* the playback sndcard currently used */
 449         struct _MSSndCard * play_sndcard;       /* the playback sndcard currently used */
 450         struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
 451         struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
 452         const char **cards;
 453         int latency;    /* latency in samples of the current used sound device */
 454         float soft_play_lev; /*playback gain in db.*/
 455         float soft_mic_lev; /*mic gain in db.*/
 456         char rec_lev;
 457         char play_lev;
 458         char ring_lev;
 459         char source;
 460         char *local_ring;
 461         char *remote_ring;
 462         char *ringback_tone;
 463         bool_t ec;
 464         bool_t ea;
 465         bool_t agc;
 466 } sound_config_t;
 467
 468 typedef struct codecs_config
 469 {
 470         MSList *audio_codecs;  /* list of audio codecs in order of preference*/
 471         MSList *video_codecs;   /* for later use*/
 472 }codecs_config_t;
 473
 474 typedef struct video_config{
 475         struct _MSWebCam *device;
 476         const char **cams;
 477         MSVideoSize vsize;
 478         bool_t capture;
 479         bool_t show_local;
 480         bool_t display;
 481         bool_t selfview; /*during calls*/
 482         const char *displaytype;
 483 }video_config_t;
 484
 485 typedef struct ui_config
 486 {
 487         int is_daemon;
 488         int is_applet;
 489         unsigned int timer_id;  /* the timer id for registration */
 490 }ui_config_t;
 491
 492
 493
 494 typedef struct autoreplier_config
 495 {
 496         int enabled;
 497         int after_seconds;              /* accept the call after x seconds*/
 498         int max_users;                  /* maximum number of user that can call simultaneously */
 499         int max_rec_time;       /* the max time of incoming voice recorded */
 500         int max_rec_msg;                /* maximum number of recorded messages */
 501         const char *message;            /* the path of the file to be played */
 502 }autoreplier_config_t;
 503
 504 struct _LinphoneConference{
 505         MSAudioConference *conf;
 506         AudioStream *local_participant;
 507         MSAudioEndpoint *local_endpoint;
 508         RtpProfile *local_dummy_profile;
 509         bool_t local_muted;
 510 };
 511
 512 typedef struct _LinphoneConference LinphoneConference;
 513
 514 struct _LinphoneCore
 515 {
 516         LinphoneCoreVTable vtable;
 517         Sal *sal;
 518         LinphoneGlobalState state;
 519         struct _LpConfig *config;
 520         RtpProfile *default_profile;
 521         net_config_t net_conf;
 522         sip_config_t sip_conf;
 523         rtp_config_t rtp_conf;
 524         sound_config_t sound_conf;
 525         video_config_t video_conf;
 526         codecs_config_t codecs_conf;
 527         ui_config_t ui_conf;
 528         autoreplier_config_t autoreplier_conf;
 529         MSList *payload_types;
 530         int dyn_pt;
 531         LinphoneProxyConfig *default_proxy;
 532         MSList *friends;
 533         MSList *auth_info;
 534         struct _RingStream *ringstream;
 535         time_t dmfs_playing_start_time;
 536         LCCallbackObj preview_finished_cb;
 537         LinphoneCall *current_call;   /* the current call */
 538         MSList *calls;                          /* all the processed calls */
 539         MSList *queued_calls;   /* used by the autoreplier */
 540         MSList *call_logs;
 541         MSList *chatrooms;
 542         int max_call_logs;
 543         int missed_calls;
 544         VideoPreview *previewstream;
 545         struct _MSEventQueue *msevq;
 546         LinphoneRtpTransportFactories *rtptf;
 547         MSList *bl_reqs;
 548         MSList *subscribers;    /* unknown subscribers */
 549         int minutes_away;
 550         LinphoneOnlineStatus presence_mode;
 551         char *alt_contact;
 552         void *data;
 553         char *play_file;
 554         char *rec_file;
 555         time_t prevtime;
 556         int audio_bw;
 557         LinphoneWaitingCallback wait_cb;
 558         void *wait_ctx;
 559         unsigned long video_window_id;
 560         unsigned long preview_window_id;
 561         time_t netup_time; /*time when network went reachable */
 562         struct _EcCalibrator *ecc;
 563         MSList *hooks;
 564         LinphoneConference conf_ctx;
 565         char* zrtp_secrets_cache;
 566         LinphoneVideoPolicy video_policy;
 567         bool_t use_files;
 568         bool_t apply_nat_settings;
 569         bool_t initial_subscribes_sent;
 570         bool_t bl_refresh;
 571
 572         bool_t preview_finished;
 573         bool_t auto_net_state_mon;
 574         bool_t network_reachable;
 575         bool_t use_preview_window;
 576
 577         time_t network_last_check;
 578         bool_t network_last_status;
 579
 580         bool_t ringstream_autorelease;
 581         bool_t pad[3];
 582         int device_rotation;
 583         int max_calls;
 584         LinphoneTunnel *tunnel;
 585         char* device_id;
 586         MSList *last_recv_msg_ids;
 587 #ifdef BUILD_UPNP
 588         UpnpContext *upnp;
 589 #endif //BUILD_UPNP
 590 };
 591
 592 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
 593 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
 594 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
 595 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
 596
 597 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
 598 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
 599 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
 600 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
 601 int linphone_core_get_calls_nb(const LinphoneCore *lc);
 602
 603 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
 604 void linphone_call_make_local_media_description(LinphoneCore *lc, LinphoneCall *call);
 605 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
 606
 607 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt,  int bandwidth_limit);
 608
 609 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
 610 void _linphone_core_configure_resolver();
 611
 612 struct _EcCalibrator{
 613         ms_thread_t thread;
 614         MSSndCard *play_card,*capt_card;
 615         MSFilter *sndread,*det,*rec;
 616         MSFilter *play, *gen, *sndwrite;
 617         MSFilter *read_resampler,*write_resampler;
 618         MSTicker *ticker;
 619         LinphoneEcCalibrationCallback cb;
 620         void *cb_data;
 621         int recv_count;
 622         int sent_count;
 623         int64_t acc;
 624         int delay;
 625         unsigned int rate;
 626         LinphoneEcCalibratorStatus status;
 627 };
 628
 629 typedef struct _EcCalibrator EcCalibrator;
 630
 631 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
 632
 633 void ec_calibrator_destroy(EcCalibrator *ecc);
 634
 635 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
 636 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
 637 /*conferencing subsystem*/
 638 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
 639 /* When a conference participant pause the conference he may send a music.
 640  * We don't want to hear that music or to send it to the other participants.
 641  * Use muted=yes to handle this case.
 642  */
 643 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
 644 void linphone_call_remove_from_conf(LinphoneCall *call);
 645 void linphone_core_conference_check_uninit(LinphoneCore *lc);
 646 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
 647 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
 648 unsigned int linphone_core_get_audio_features(LinphoneCore *lc);
 649
 650 void __linphone_core_invalidate_registers(LinphoneCore* lc);
 651 void _linphone_core_codec_config_write(LinphoneCore *lc);
 652
 653 #define HOLD_OFF        (0)
 654 #define HOLD_ON         (1)
 655
 656 #ifndef NB_MAX_CALLS
 657 #define NB_MAX_CALLS    (10)
 658 #endif
 659 void call_logs_write_to_config_file(LinphoneCore *lc);
 660
 661 int linphone_core_get_edge_bw(LinphoneCore *lc);
 662 int linphone_core_get_edge_ptime(LinphoneCore *lc);
 663
 664 int linphone_upnp_init(LinphoneCore *lc);
 665 void linphone_upnp_destroy(LinphoneCore *lc);
 666
 667 #ifdef __cplusplus
 668 }
 669 #endif
 670
 671 #endif /* _PRIVATE_H */