]> sjero.net Git - linphone/blob - coreapi/private.h
implement call recording.
[linphone] / 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         char *record_file;
84         bool_t has_video;
85         bool_t real_early_media; /*send real media even during early media (for outgoing calls)*/
86         bool_t in_conference; /*in conference mode */
87         bool_t pad;
88         bool_t low_bandwidth;
89 };
90     
91 typedef struct _CallCallbackObj
92 {
93     LinphoneCallCbFunc _func;
94     void * _user_data;
95 }CallCallbackObj;
96
97 static const int linphone_call_magic=0x3343;
98
99 struct _LinphoneChatMessage {
100         char* message;
101         LinphoneChatRoom* chat_room;
102         LinphoneChatMessageStateChangeCb cb;
103         void* cb_ud;
104         void* message_userdata;
105         char* external_body_url;
106         LinphoneAddress* from;
107         time_t time;
108 };
109
110 typedef struct StunCandidate{
111         char addr[64];
112         int port;
113 }StunCandidate;
114
115
116 struct _LinphoneCall
117 {
118         int magic; /*used to distinguish from proxy config*/
119         struct _LinphoneCore *core;
120         SalMediaDescription *localdesc;
121         SalMediaDescription *resultdesc;
122         LinphoneCallDir dir;
123         LinphoneCall *referer; /*when this call is the result of a transfer, referer is set to the original call that caused the transfer*/
124         struct _RtpProfile *audio_profile;
125         struct _RtpProfile *video_profile;
126         struct _LinphoneCallLog *log;
127         SalOp *op;
128         SalOp *ping_op;
129         char localip[LINPHONE_IPADDR_SIZE]; /* our best guess for local ipaddress for this call */
130         time_t start_time; /*time at which the call was initiated*/
131         time_t media_start_time; /*time at which it was accepted, media streams established*/
132         LinphoneCallState       state;
133         LinphoneCallState transfer_state; /*idle if no transfer*/
134         LinphoneReason reason;
135         LinphoneProxyConfig *dest_proxy;
136         int refcnt;
137         void * user_pointer;
138         int audio_port;
139         int video_port;
140         StunCandidate ac,vc; /*audio video ip/port discovered by STUN*/
141         struct _AudioStream *audiostream;  /**/
142         struct _VideoStream *videostream;
143         MSAudioEndpoint *endpoint; /*used for conferencing*/
144         char *refer_to;
145         LinphoneCallParams params;
146         LinphoneCallParams current_params;
147         LinphoneCallParams remote_params;
148         int up_bw; /*upload bandwidth setting at the time the call is started. Used to detect if it changes during a call */
149         int audio_bw;   /*upload bandwidth used by audio */
150         OrtpEvQueue *audiostream_app_evq;
151         char *auth_token;
152         OrtpEvQueue *videostream_app_evq;
153         CallCallbackObj nextVideoFrameDecoded;
154         LinphoneCallStats stats[2];
155 #ifdef BUILD_UPNP
156         UpnpSession *upnp_session;
157 #endif //BUILD_UPNP
158         IceSession *ice_session;
159         LinphoneChatMessage* pending_message;
160         int ping_time;
161         unsigned int remote_session_id;
162         unsigned int remote_session_ver;
163         bool_t refer_pending;
164         bool_t media_pending;
165         bool_t audio_muted;
166         bool_t camera_active;
167         
168         bool_t all_muted; /*this flag is set during early medias*/
169         bool_t playing_ringbacktone;
170         bool_t owns_call_log;
171         bool_t ringing_beep; /* whether this call is ringing through an already existent current call*/
172         
173         bool_t videostream_encrypted;
174         bool_t audiostream_encrypted;
175         bool_t auth_token_verified;
176         bool_t defer_update;
177         
178         bool_t was_automatically_paused;
179         bool_t ping_replied;
180         bool_t record_active;
181 };
182
183
184 LinphoneCall * linphone_call_new_outgoing(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, const LinphoneCallParams *params);
185 LinphoneCall * linphone_call_new_incoming(struct _LinphoneCore *lc, LinphoneAddress *from, LinphoneAddress *to, SalOp *op);
186 void linphone_call_set_state(LinphoneCall *call, LinphoneCallState cstate, const char *message);
187
188 /* private: */
189 LinphoneCallLog * linphone_call_log_new(LinphoneCall *call, LinphoneAddress *local, LinphoneAddress * remote);
190 void linphone_call_log_completed(LinphoneCall *call);
191 void linphone_call_log_destroy(LinphoneCallLog *cl);
192 void linphone_call_set_transfer_state(LinphoneCall* call, LinphoneCallState state);
193
194 void linphone_auth_info_write_config(struct _LpConfig *config, LinphoneAuthInfo *obj, int pos);
195
196 void linphone_core_update_proxy_register(LinphoneCore *lc);
197 void linphone_core_refresh_subscribes(LinphoneCore *lc);
198 int linphone_core_abort_call(LinphoneCore *lc, LinphoneCall *call, const char *error);
199
200 int linphone_proxy_config_send_publish(LinphoneProxyConfig *cfg, LinphoneOnlineStatus os);
201 void linphone_proxy_config_set_state(LinphoneProxyConfig *cfg, LinphoneRegistrationState rstate, const char *message);
202
203 int linphone_online_status_to_eXosip(LinphoneOnlineStatus os);
204 void linphone_friend_close_subscriptions(LinphoneFriend *lf);
205 void linphone_friend_notify(LinphoneFriend *lf, LinphoneOnlineStatus os);
206 LinphoneFriend *linphone_find_friend_by_inc_subscribe(MSList *l, SalOp *op);
207 LinphoneFriend *linphone_find_friend_by_out_subscribe(MSList *l, SalOp *op);
208
209 int parse_hostname_to_addr(const char *server, struct sockaddr_storage *ss, socklen_t *socklen);
210 int set_lock_file();
211 int get_lock_file();
212 int remove_lock_file();
213 void check_sound_device(LinphoneCore *lc);
214 void linphone_core_get_local_ip(LinphoneCore *lc, const char *to, char *result);
215 bool_t host_has_ipv6_network();
216 bool_t lp_spawn_command_line_sync(const char *command, char **result,int *command_ret);
217
218 static inline int get_min_bandwidth(int dbw, int ubw){
219         if (dbw<=0) return ubw;
220         if (ubw<=0) return dbw;
221         return MIN(dbw,ubw);
222 }
223
224 static inline bool_t bandwidth_is_greater(int bw1, int bw2){
225         if (bw1<0) return TRUE;
226         else if (bw2<0) return FALSE;
227         else return bw1>=bw2;
228 }
229
230 static inline int get_video_bandwidth(int total, int audio){
231         if (total<=0) return 0;
232         return total-audio-10;
233 }
234
235 static inline void set_string(char **dest, const char *src){
236         if (*dest){
237                 ms_free(*dest);
238                 *dest=NULL;
239         }
240         if (src)
241                 *dest=ms_strdup(src);
242 }
243
244 #define PAYLOAD_TYPE_ENABLED    PAYLOAD_TYPE_USER_FLAG_0
245
246 SalPresenceStatus linphone_online_status_to_sal(LinphoneOnlineStatus os);
247 void linphone_process_authentication(LinphoneCore* lc, SalOp *op);
248 void linphone_authentication_ok(LinphoneCore *lc, SalOp *op);
249 void linphone_subscription_new(LinphoneCore *lc, SalOp *op, const char *from);
250 void linphone_notify_recv(LinphoneCore *lc, SalOp *op, SalSubscribeStatus ss, SalPresenceStatus status);
251 void linphone_proxy_config_process_authentication_failure(LinphoneCore *lc, SalOp *op);
252
253 void linphone_subscription_answered(LinphoneCore *lc, SalOp *op);
254 void linphone_subscription_closed(LinphoneCore *lc, SalOp *op);
255
256 MSList *linphone_find_friend(MSList *fl, const LinphoneAddress *fri, LinphoneFriend **lf);
257
258 void linphone_core_update_allocated_audio_bandwidth(LinphoneCore *lc);
259 void linphone_core_update_allocated_audio_bandwidth_in_call(LinphoneCall *call, const PayloadType *pt);
260
261 int linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call);
262 void linphone_core_adapt_to_network(LinphoneCore *lc, int ping_time_ms, LinphoneCallParams *params);
263 int linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call);
264 void linphone_core_update_ice_state_in_call_stats(LinphoneCall *call);
265 void linphone_core_update_local_media_description_from_ice(SalMediaDescription *desc, IceSession *session);
266 void linphone_core_update_ice_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md);
267 bool_t linphone_core_media_description_contains_video_stream(const SalMediaDescription *md);
268
269 void linphone_core_send_initial_subscribes(LinphoneCore *lc);
270 void linphone_core_write_friends_config(LinphoneCore* lc);
271 void linphone_friend_write_to_config_file(struct _LpConfig *config, LinphoneFriend *lf, int index);
272 LinphoneFriend * linphone_friend_new_from_config_file(struct _LinphoneCore *lc, int index);
273
274 void linphone_proxy_config_update(LinphoneProxyConfig *cfg);
275 void linphone_proxy_config_get_contact(LinphoneProxyConfig *cfg, const char **ip, int *port);
276 LinphoneProxyConfig * linphone_core_lookup_known_proxy(LinphoneCore *lc, const LinphoneAddress *uri);
277 const char *linphone_core_find_best_identity(LinphoneCore *lc, const LinphoneAddress *to, const char **route);
278 int linphone_core_get_local_ip_for(int type, const char *dest, char *result);
279
280 LinphoneProxyConfig *linphone_proxy_config_new_from_config_file(struct _LpConfig *config, int index);
281 void linphone_proxy_config_write_to_config_file(struct _LpConfig* config,LinphoneProxyConfig *obj, int index);
282
283 int linphone_proxy_config_normalize_number(LinphoneProxyConfig *cfg, const char *username, char *result, size_t result_len);
284
285 void linphone_core_message_received(LinphoneCore *lc, const SalMessage *msg);
286
287 void linphone_core_play_tone(LinphoneCore *lc);
288
289 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
290
291 void linphone_call_init_audio_stream(LinphoneCall *call);
292 void linphone_call_init_video_stream(LinphoneCall *call);
293 void linphone_call_init_media_streams(LinphoneCall *call);
294 void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_muted, bool_t send_ringbacktone);
295 void linphone_call_start_media_streams_for_ice_gathering(LinphoneCall *call);
296 void linphone_call_stop_audio_stream(LinphoneCall *call);
297 void linphone_call_stop_video_stream(LinphoneCall *call);
298 void linphone_call_stop_media_streams(LinphoneCall *call);
299 void linphone_call_delete_ice_session(LinphoneCall *call);
300 void linphone_call_delete_upnp_session(LinphoneCall *call);
301 void linphone_call_stop_media_streams_for_ice_gathering(LinphoneCall *call);
302 void linphone_call_update_crypto_parameters(LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md);
303 void linphone_call_update_remote_session_id_and_ver(LinphoneCall *call);
304
305 const char * linphone_core_get_identity(LinphoneCore *lc);
306 const char * linphone_core_get_route(LinphoneCore *lc);
307 void linphone_core_start_waiting(LinphoneCore *lc, const char *purpose);
308 void linphone_core_update_progress(LinphoneCore *lc, const char *purpose, float progresses);
309 void linphone_core_stop_waiting(LinphoneCore *lc);
310
311 int linphone_core_proceed_with_invite_if_ready(LinphoneCore *lc, LinphoneCall *call, LinphoneProxyConfig *dest_proxy);
312 int linphone_core_start_invite(LinphoneCore *lc, LinphoneCall *call);
313 int linphone_core_start_update_call(LinphoneCore *lc, LinphoneCall *call);
314 int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call);
315 void linphone_core_start_refered_call(LinphoneCore *lc, LinphoneCall *call);
316 void linphone_core_notify_incoming_call(LinphoneCore *lc, LinphoneCall *call);
317 bool_t linphone_core_incompatible_security(LinphoneCore *lc, SalMediaDescription *md);
318 extern SalCallbacks linphone_sal_callbacks;
319 void linphone_proxy_config_set_error(LinphoneProxyConfig *cfg, LinphoneReason error);
320 bool_t linphone_core_rtcp_enabled(const LinphoneCore *lc);
321
322 LinphoneCall * is_a_linphone_call(void *user_pointer);
323 LinphoneProxyConfig * is_a_linphone_proxy_config(void *user_pointer);
324
325 static const int linphone_proxy_config_magic=0x7979;
326
327 /*chat*/        
328 void linphone_chat_message_destroy(LinphoneChatMessage* msg);
329 /**/    
330
331 struct _LinphoneProxyConfig
332 {
333         int magic;
334         struct _LinphoneCore *lc;
335         char *reg_proxy;
336         char *reg_identity;
337         char *reg_route;
338         char *realm;
339         char *contact_params;
340         int expires;
341         int reg_time;
342         SalOp *op;
343         char *type;
344         struct _SipSetupContext *ssctx;
345         int auth_failures;
346         char *dial_prefix;
347         LinphoneRegistrationState state;
348         SalOp *publish_op;
349         bool_t commit;
350         bool_t reg_sendregister;
351         bool_t publish;
352         bool_t dial_escape_plus;
353         void* user_data;
354         time_t deletion_date;
355         LinphoneReason error;
356 };
357
358 struct _LinphoneAuthInfo
359 {
360         char *username;
361         char *realm;
362         char *userid;
363         char *passwd;
364         char *ha1;
365         int usecount;
366         time_t last_use_time;
367         bool_t works;
368 };
369
370 struct _LinphoneChatRoom{
371         struct _LinphoneCore *lc;
372         char  *peer;
373         LinphoneAddress *peer_url;
374         void * user_data;
375 };
376
377
378         
379 struct _LinphoneFriend{
380         LinphoneAddress *uri;
381         SalOp *insub;
382         SalOp *outsub;
383         LinphoneSubscribePolicy pol;
384         LinphoneOnlineStatus status;
385         struct _LinphoneCore *lc;
386         BuddyInfo *info;
387         char *refkey;
388         bool_t subscribe;
389         bool_t subscribe_active;
390         bool_t inc_subscribe_pending;
391         bool_t commit;
392 };
393
394
395 typedef struct sip_config
396 {
397         char *contact;
398         char *guessed_contact;
399         MSList *proxies;
400         MSList *deleted_proxies;
401         int inc_timeout;        /*timeout after an un-answered incoming call is rejected*/
402         int in_call_timeout;    /*timeout after a call is hangup */
403         unsigned int keepalive_period; /* interval in ms between keep alive messages sent to the proxy server*/
404         LCSipTransports transports;
405         bool_t use_info;
406         bool_t use_rfc2833;     /*force RFC2833 to be sent*/
407         bool_t guess_hostname;
408         bool_t loopback_only;
409         bool_t ipv6_enabled;
410         bool_t sdp_200_ack;
411         bool_t register_only_when_network_is_up;
412         bool_t ping_with_options;
413         bool_t auto_net_state_mon;
414         bool_t tcp_tls_keepalive;
415 } sip_config_t;
416
417 typedef struct rtp_config
418 {
419         int audio_rtp_min_port;
420         int audio_rtp_max_port;
421         int video_rtp_min_port;
422         int video_rtp_max_port;
423         int audio_jitt_comp;  /*jitter compensation*/
424         int video_jitt_comp;  /*jitter compensation*/
425         int nortp_timeout;
426         bool_t rtp_no_xmit_on_audio_mute;
427                               /* stop rtp xmit when audio muted */
428         bool_t audio_adaptive_jitt_comp_enabled;
429         bool_t video_adaptive_jitt_comp_enabled;
430         bool_t pad;
431 }rtp_config_t;
432
433
434
435 typedef struct net_config
436 {
437         char *nat_address; /* may be IP or host name */
438         char *nat_address_ip; /* ip translated from nat_address */
439         char *stun_server;
440         char *relay;
441         int download_bw;
442         int upload_bw;
443         int firewall_policy;
444         int mtu;
445         bool_t nat_sdp_only;
446 }net_config_t;
447
448
449 typedef struct sound_config
450 {
451         struct _MSSndCard * ring_sndcard;       /* the playback sndcard currently used */
452         struct _MSSndCard * play_sndcard;       /* the playback sndcard currently used */
453         struct _MSSndCard * capt_sndcard; /* the capture sndcard currently used */
454         struct _MSSndCard * lsd_card; /* dummy playback card for Linphone Sound Daemon extension */
455         const char **cards;
456         int latency;    /* latency in samples of the current used sound device */
457         float soft_play_lev; /*playback gain in db.*/
458         float soft_mic_lev; /*mic gain in db.*/
459         char rec_lev;
460         char play_lev;
461         char ring_lev;
462         char source;
463         char *local_ring;
464         char *remote_ring;
465         char *ringback_tone;
466         bool_t ec;
467         bool_t ea;
468         bool_t agc;
469 } sound_config_t;
470
471 typedef struct codecs_config
472 {
473         MSList *audio_codecs;  /* list of audio codecs in order of preference*/
474         MSList *video_codecs;   /* for later use*/
475 }codecs_config_t;
476
477 typedef struct video_config{
478         struct _MSWebCam *device;
479         const char **cams;
480         MSVideoSize vsize;
481         bool_t capture;
482         bool_t show_local;
483         bool_t display;
484         bool_t selfview; /*during calls*/
485         const char *displaytype;
486 }video_config_t;
487
488 typedef struct ui_config
489 {
490         int is_daemon;
491         int is_applet;
492         unsigned int timer_id;  /* the timer id for registration */
493 }ui_config_t;
494
495
496
497 typedef struct autoreplier_config
498 {
499         int enabled;
500         int after_seconds;              /* accept the call after x seconds*/
501         int max_users;                  /* maximum number of user that can call simultaneously */
502         int max_rec_time;       /* the max time of incoming voice recorded */
503         int max_rec_msg;                /* maximum number of recorded messages */
504         const char *message;            /* the path of the file to be played */
505 }autoreplier_config_t;
506
507 struct _LinphoneConference{
508         MSAudioConference *conf;
509         AudioStream *local_participant;
510         MSAudioEndpoint *local_endpoint;
511         RtpProfile *local_dummy_profile;
512         bool_t local_muted;
513 };
514
515 typedef struct _LinphoneConference LinphoneConference;
516
517 struct _LinphoneCore
518 {
519         LinphoneCoreVTable vtable;
520         Sal *sal;
521         LinphoneGlobalState state;
522         struct _LpConfig *config;
523         RtpProfile *default_profile;
524         net_config_t net_conf;
525         sip_config_t sip_conf;
526         rtp_config_t rtp_conf;
527         sound_config_t sound_conf;
528         video_config_t video_conf;
529         codecs_config_t codecs_conf;
530         ui_config_t ui_conf;
531         autoreplier_config_t autoreplier_conf;
532         MSList *payload_types;
533         int dyn_pt;
534         LinphoneProxyConfig *default_proxy;
535         MSList *friends;
536         MSList *auth_info;
537         struct _RingStream *ringstream;
538         time_t dmfs_playing_start_time;
539         LCCallbackObj preview_finished_cb;
540         LinphoneCall *current_call;   /* the current call */
541         MSList *calls;                          /* all the processed calls */
542         MSList *queued_calls;   /* used by the autoreplier */
543         MSList *call_logs;
544         MSList *chatrooms;
545         int max_call_logs;
546         int missed_calls;
547         VideoPreview *previewstream;
548         struct _MSEventQueue *msevq;
549         LinphoneRtpTransportFactories *rtptf;
550         MSList *bl_reqs;
551         MSList *subscribers;    /* unknown subscribers */
552         int minutes_away;
553         LinphoneOnlineStatus presence_mode;
554         char *alt_contact;
555         void *data;
556         char *play_file;
557         char *rec_file;
558         time_t prevtime;
559         int audio_bw;
560         LinphoneWaitingCallback wait_cb;
561         void *wait_ctx;
562         unsigned long video_window_id;
563         unsigned long preview_window_id;
564         time_t netup_time; /*time when network went reachable */
565         struct _EcCalibrator *ecc;
566         MSList *hooks;
567         LinphoneConference conf_ctx;
568         char* zrtp_secrets_cache;
569         LinphoneVideoPolicy video_policy;
570         bool_t use_files;
571         bool_t apply_nat_settings;
572         bool_t initial_subscribes_sent;
573         bool_t bl_refresh;
574         
575         bool_t preview_finished;
576         bool_t auto_net_state_mon;
577         bool_t network_reachable;
578         bool_t use_preview_window;
579         
580         time_t network_last_check;
581         bool_t network_last_status;
582
583         bool_t ringstream_autorelease;
584         bool_t pad[3];
585         int device_rotation;
586         int max_calls;
587         LinphoneTunnel *tunnel;
588         char* device_id;
589         MSList *last_recv_msg_ids;
590 #ifdef BUILD_UPNP
591         UpnpContext *upnp;
592 #endif //BUILD_UPNP
593 };
594
595 LinphoneTunnel *linphone_core_tunnel_new(LinphoneCore *lc);
596 void linphone_tunnel_destroy(LinphoneTunnel *tunnel);
597 void linphone_tunnel_configure(LinphoneTunnel *tunnel);
598 void linphone_tunnel_enable_logs_with_handler(LinphoneTunnel *tunnel, bool_t enabled, OrtpLogFunc logHandler);
599
600 bool_t linphone_core_can_we_add_call(LinphoneCore *lc);
601 int linphone_core_add_call( LinphoneCore *lc, LinphoneCall *call);
602 int linphone_core_del_call( LinphoneCore *lc, LinphoneCall *call);
603 int linphone_core_set_as_current_call(LinphoneCore *lc, LinphoneCall *call);
604 int linphone_core_get_calls_nb(const LinphoneCore *lc);
605
606 void linphone_core_set_state(LinphoneCore *lc, LinphoneGlobalState gstate, const char *message);
607 void linphone_call_make_local_media_description(LinphoneCore *lc, LinphoneCall *call);
608 void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md);
609
610 bool_t linphone_core_is_payload_type_usable_for_bandwidth(LinphoneCore *lc, PayloadType *pt,  int bandwidth_limit);
611
612 #define linphone_core_ready(lc) ((lc)->state!=LinphoneGlobalStartup)
613 void _linphone_core_configure_resolver();
614
615 struct _EcCalibrator{
616         ms_thread_t thread;
617         MSSndCard *play_card,*capt_card;
618         MSFilter *sndread,*det,*rec;
619         MSFilter *play, *gen, *sndwrite;
620         MSFilter *read_resampler,*write_resampler;
621         MSTicker *ticker;
622         LinphoneEcCalibrationCallback cb;
623         void *cb_data;
624         int recv_count;
625         int sent_count;
626         int64_t acc;
627         int delay;
628         unsigned int rate;
629         LinphoneEcCalibratorStatus status;
630 };
631
632 typedef struct _EcCalibrator EcCalibrator;
633
634 LinphoneEcCalibratorStatus ec_calibrator_get_status(EcCalibrator *ecc);
635
636 void ec_calibrator_destroy(EcCalibrator *ecc);
637
638 void linphone_call_background_tasks(LinphoneCall *call, bool_t one_second_elapsed);
639 void linphone_core_preempt_sound_resources(LinphoneCore *lc);
640 /*conferencing subsystem*/
641 void _post_configure_audio_stream(AudioStream *st, LinphoneCore *lc, bool_t muted);
642 /* When a conference participant pause the conference he may send a music.
643  * We don't want to hear that music or to send it to the other participants.
644  * Use muted=yes to handle this case.
645  */
646 void linphone_call_add_to_conf(LinphoneCall *call, bool_t muted);
647 void linphone_call_remove_from_conf(LinphoneCall *call);
648 void linphone_core_conference_check_uninit(LinphoneCore *lc);
649 bool_t linphone_core_sound_resources_available(LinphoneCore *lc);
650 void linphone_core_notify_refer_state(LinphoneCore *lc, LinphoneCall *referer, LinphoneCall *newcall);
651 unsigned int linphone_core_get_audio_features(LinphoneCore *lc);
652
653 void __linphone_core_invalidate_registers(LinphoneCore* lc);
654 void _linphone_core_codec_config_write(LinphoneCore *lc);
655
656 #define HOLD_OFF        (0)
657 #define HOLD_ON         (1)
658
659 #ifndef NB_MAX_CALLS
660 #define NB_MAX_CALLS    (10)
661 #endif
662 void call_logs_write_to_config_file(LinphoneCore *lc);
663
664 int linphone_core_get_edge_bw(LinphoneCore *lc);
665 int linphone_core_get_edge_ptime(LinphoneCore *lc);
666 void _linphone_call_params_copy(LinphoneCallParams *params, const LinphoneCallParams *refparams);
667
668 int linphone_upnp_init(LinphoneCore *lc);
669 void linphone_upnp_destroy(LinphoneCore *lc);
670
671 #ifdef __cplusplus
672 }
673 #endif
674
675 #endif /* _PRIVATE_H */