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