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