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