/*
* Copyright (c) 2010-2019 Belledonne Communications SARL.
*
* This file is part of Liblinphone.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
#ifndef _L_C_CALL_H_
#define _L_C_CALL_H_
#include
#include "linphone/api/c-types.h"
// =============================================================================
#ifdef __cplusplus
extern "C" {
#endif // ifdef __cplusplus
/**
* @addtogroup call_control
* @{
*/
/**
* Acquire a reference to the call.
* An application that wishes to retain a pointer to call object
* must use this function to unsure the pointer remains
* valid. Once the application no more needs this pointer,
* it must call linphone_call_unref().
* @param[in] call The call.
* @return The same call.
**/
LINPHONE_PUBLIC LinphoneCall *linphone_call_ref (LinphoneCall *call);
/**
* Release reference to the call.
* @param[in] call The call.
**/
LINPHONE_PUBLIC void linphone_call_unref (LinphoneCall *call);
/**
* Retrieve the user pointer associated with the call.
* @param[in] call The call.
* @return The user pointer associated with the call.
**/
LINPHONE_PUBLIC void *linphone_call_get_user_data (const LinphoneCall *call);
/**
* Assign a user pointer to the call.
* @param[in] call The call.
* @param[in] ud The user pointer to associate with the call.
**/
LINPHONE_PUBLIC void linphone_call_set_user_data (LinphoneCall *call, void *ud);
/**
* Get the core that has created the specified call.
* @param[in] call #LinphoneCall object
* @return The #LinphoneCore object that has created the specified call.
*/
LINPHONE_PUBLIC LinphoneCore * linphone_call_get_core (const LinphoneCall *call);
/**
* Retrieves the call's current state.
**/
LINPHONE_PUBLIC LinphoneCallState linphone_call_get_state (const LinphoneCall *call);
/**
* Tell whether a call has been asked to autoanswer
* @param[in] call #LinphoneCall object
* @return A boolean value telling whether the call has been asked to autoanswer
**/
LINPHONE_PUBLIC bool_t linphone_call_asked_to_autoanswer (LinphoneCall *call);
/**
* Returns the remote address associated to this call
**/
LINPHONE_PUBLIC const LinphoneAddress *linphone_call_get_remote_address (const LinphoneCall *call);
/**
* Returns the to address with its headers associated to this call
**/
LINPHONE_PUBLIC const LinphoneAddress *linphone_call_get_to_address (const LinphoneCall * call);
/**
* Returns the value of the header name
**/
LINPHONE_PUBLIC const char *linphone_call_get_to_header (const LinphoneCall *call, const char *name);
/**
* Returns the remote address associated to this call as a string.
* The result string must be freed by user using ms_free().
**/
LINPHONE_PUBLIC char *linphone_call_get_remote_address_as_string (const LinphoneCall *call);
/**
* Returns the diversion address associated to this call
**/
LINPHONE_PUBLIC const LinphoneAddress * linphone_call_get_diversion_address (const LinphoneCall *call);
/**
* Returns direction of the call (incoming or outgoing).
**/
LINPHONE_PUBLIC LinphoneCallDir linphone_call_get_dir (const LinphoneCall *call);
/**
* Gets the call log associated to this call.
* @param[in] call #LinphoneCall object
* @return The #LinphoneCallLog associated with the specified #LinphoneCall
**/
LINPHONE_PUBLIC LinphoneCallLog *linphone_call_get_call_log (const LinphoneCall *call);
/**
* Gets the refer-to uri (if the call was transfered).
* @param[in] call #LinphoneCall object
* @return The refer-to uri of the call (if it was transfered)
**/
LINPHONE_PUBLIC const char *linphone_call_get_refer_to (const LinphoneCall *call);
/**
* Returns true if this calls has received a transfer that has not been
* executed yet.
* Pending transfers are executed when this call is being paused or closed,
* locally or by remote endpoint.
* If the call is already paused while receiving the transfer request, the
* transfer immediately occurs.
**/
LINPHONE_PUBLIC bool_t linphone_call_has_transfer_pending (const LinphoneCall *call);
/**
* Gets the transferer if this call was started automatically as a result of an incoming transfer request.
* The call in which the transfer request was received is returned in this case.
* @param[in] call #LinphoneCall object
* @return The transferer call if the specified call was started automatically as a result of an incoming transfer request, NULL otherwise
**/
LINPHONE_PUBLIC LinphoneCall *linphone_call_get_transferer_call (const LinphoneCall *call);
/**
* When this call has received a transfer request, returns the new call that was automatically created as a result of the transfer.
**/
LINPHONE_PUBLIC LinphoneCall *linphone_call_get_transfer_target_call (const LinphoneCall *call);
/**
* Returns the call object this call is replacing, if any.
* Call replacement can occur during call transfers.
* By default, the core automatically terminates the replaced call and accept the new one.
* This function allows the application to know whether a new incoming call is a one that replaces another one.
**/
LINPHONE_PUBLIC LinphoneCall *linphone_call_get_replaced_call (LinphoneCall *call);
/**
* Returns call's duration in seconds.
**/
LINPHONE_PUBLIC int linphone_call_get_duration (const LinphoneCall *call);
/**
* Returns current parameters associated to the call.
**/
LINPHONE_PUBLIC const LinphoneCallParams *linphone_call_get_current_params (LinphoneCall *call);
/**
* Returns call parameters proposed by remote.
*
* This is useful when receiving an incoming call, to know whether the remote party
* supports video, encryption or whatever.
**/
LINPHONE_PUBLIC const LinphoneCallParams *linphone_call_get_remote_params (LinphoneCall *call);
/**
* Indicate whether camera input should be sent to remote end.
**/
LINPHONE_PUBLIC void linphone_call_enable_camera (LinphoneCall *lc, bool_t enabled);
/**
* Returns TRUE if camera pictures are allowed to be sent to the remote party.
**/
LINPHONE_PUBLIC bool_t linphone_call_camera_enabled (const LinphoneCall *lc);
/**
* Take a photo of currently received video and write it into a jpeg file.
* Note that the snapshot is asynchronous, an application shall not assume that the file is created when the function returns.
* @param call a #LinphoneCall
* @param file a path where to write the jpeg content.
* @return 0 if successfull, -1 otherwise (typically if jpeg format is not supported).
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_take_video_snapshot (LinphoneCall *call, const char *file);
/**
* Take a photo of currently captured video and write it into a jpeg file.
* Note that the snapshot is asynchronous, an application shall not assume that the file is created when the function returns.
* @param call a #LinphoneCall
* @param file a path where to write the jpeg content.
* @return 0 if successfull, -1 otherwise (typically if jpeg format is not supported).
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_take_preview_snapshot (LinphoneCall *call, const char *file);
/**
* Returns the reason for a call termination (either error or normal termination)
**/
LINPHONE_PUBLIC LinphoneReason linphone_call_get_reason (const LinphoneCall *call);
/**
* Returns full details about call errors or termination reasons.
* @param call #LinphoneCall object on which we want the information error
* @return #LinphoneErrorInfo object holding the reason error.
*/
LINPHONE_PUBLIC const LinphoneErrorInfo *linphone_call_get_error_info (const LinphoneCall *call);
/**
* Returns the far end's user agent description string, if available.
**/
LINPHONE_PUBLIC const char *linphone_call_get_remote_user_agent (LinphoneCall *call);
/**
* Returns the far end's sip contact as a string, if available.
**/
LINPHONE_PUBLIC const char *linphone_call_get_remote_contact (LinphoneCall *call);
/**
* Returns the ZRTP authentication token to verify.
* @param call the #LinphoneCall
* @return the authentication token to verify.
**/
LINPHONE_PUBLIC const char *linphone_call_get_authentication_token (LinphoneCall *call);
/**
* Returns whether ZRTP authentication token is verified.
* If not, it must be verified by users as described in ZRTP procedure.
* Once done, the application must inform of the results with linphone_call_set_authentication_token_verified().
* @param call the #LinphoneCall
* @return TRUE if authentication token is verifed, false otherwise.
**/
LINPHONE_PUBLIC bool_t linphone_call_get_authentication_token_verified (const LinphoneCall *call);
/**
* Set the result of ZRTP short code verification by user.
* If remote party also does the same, it will update the ZRTP cache so that user's verification will not be required for the two users.
* @param call the #LinphoneCall
* @param verified whether the ZRTP SAS is verified.
**/
LINPHONE_PUBLIC void linphone_call_set_authentication_token_verified (LinphoneCall *call, bool_t verified);
/**
* Request remote side to send us a Video Fast Update.
**/
LINPHONE_PUBLIC void linphone_call_send_vfu_request (LinphoneCall *call);
/**
* Request the callback passed to linphone_call_cbs_set_next_video_frame_decoded() to be called the next time the video decoder properly decodes a video frame.
* @param call the #LinphoneCall
**/
LINPHONE_PUBLIC void linphone_call_request_notify_next_video_frame_decoded(LinphoneCall *call);
LINPHONE_PUBLIC LINPHONE_DEPRECATED void linphone_call_set_next_video_frame_decoded_callback (LinphoneCall *call, LinphoneCallCbFunc cb, void *ud);
/**
* Returns the current transfer state, if a transfer has been initiated from this call.
* @see linphone_core_transfer_call() , linphone_core_transfer_call_to_another()
**/
LINPHONE_PUBLIC LinphoneCallState linphone_call_get_transfer_state (LinphoneCall *call);
/**
* Perform a zoom of the video displayed during a call.
* @param call the call.
* @param zoom_factor a floating point number describing the zoom factor. A value 1.0 corresponds to no zoom applied.
* @param cx a floating point number pointing the horizontal center of the zoom to be applied. This value should be between 0.0 and 1.0.
* @param cy a floating point number pointing the vertical center of the zoom to be applied. This value should be between 0.0 and 1.0.
* @deprecated use linphone_call_zoom instead
* cx and cy are updated in return in case their coordinates were too excentrated for the requested zoom factor. The zoom ensures that all the screen is fullfilled with the video.
**/
LINPHONE_PUBLIC void linphone_call_zoom_video (LinphoneCall *call, float zoom_factor, float *cx, float *cy);
/**
* Perform a zoom of the video displayed during a call.
* The zoom ensures that all the screen is fullfilled with the video.
* @param call the call.
* @param zoom_factor a floating point number describing the zoom factor. A value 1.0 corresponds to no zoom applied.
* @param cx a floating point number pointing the horizontal center of the zoom to be applied. This value should be between 0.0 and 1.0.
* @param cy a floating point number pointing the vertical center of the zoom to be applied. This value should be between 0.0 and 1.0.
**/
LINPHONE_PUBLIC void linphone_call_zoom (LinphoneCall *call, float zoom_factor, float cx, float cy);
/**
* Send the specified dtmf.
*
* The dtmf is automatically played to the user.
* @param call The #LinphoneCall object
* @param dtmf The dtmf name specified as a char, such as '0', '#' etc...
* @return 0 if successful, -1 on error.
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_send_dtmf (LinphoneCall *call, char dtmf);
/**
* Send a list of dtmf.
*
* The dtmfs are automatically sent to remote, separated by some needed customizable delay.
* Sending is canceled if the call state changes to something not LinphoneCallStreamsRunning.
* @param call The #LinphoneCall object
* @param dtmfs A dtmf sequence such as '123#123123'
* @return -2 if there is already a DTMF sequence, -1 if call is not ready, 0 otherwise.
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_send_dtmfs (LinphoneCall *call, const char *dtmfs);
/**
* Stop current DTMF sequence sending.
*
* Please note that some DTMF could be already sent,
* depending on when this function call is delayed from #linphone_call_send_dtmfs. This
* function will be automatically called if call state change to anything but LinphoneCallStreamsRunning.
* @param call The #LinphoneCall object
**/
LINPHONE_PUBLIC void linphone_call_cancel_dtmfs (LinphoneCall *call);
/**
* Return TRUE if this call is currently part of a conference
* @param call #LinphoneCall
* @return TRUE if part of a conference.
* @deprecated Use linphone_call_get_conference() instead.
* @donotwrap
*/
LINPHONE_PUBLIC LINPHONE_DEPRECATED bool_t linphone_call_is_in_conference (const LinphoneCall *call);
/**
* Return the associated conference object
* @param call #LinphoneCall
* @return A pointer on #LinphoneConference or NULL if the call is not part of any conference.
*/
LINPHONE_PUBLIC LinphoneConference *linphone_call_get_conference (const LinphoneCall *call);
/**
* Change the playback output device (currently only used for blackberry)
* @param call
* @param route the wanted audio route (earpiece, speaker, ...)
* @donotwrap
**/
LINPHONE_PUBLIC void linphone_call_set_audio_route (LinphoneCall *call, LinphoneAudioRoute route);
/**
* Returns the number of stream for the given call.
* Currently there is only two (Audio, Video), but later there will be more.
* @param call
* @return 2
**/
LINPHONE_PUBLIC int linphone_call_get_stream_count (const LinphoneCall *call);
/**
* @brief Returns the type of stream for the given stream index.
* @return the type (MSAudio, MSVideo, MSText) of the stream of given index.
* @donotwrap
**/
LINPHONE_PUBLIC MSFormatType linphone_call_get_stream_type (const LinphoneCall *call, int stream_index);
/**
* @brief Returns the meta rtp transport for the given stream index.
* @return a pointer to the meta rtp transport if it exists, NULL otherwise.
* @donotwrap
**/
LINPHONE_PUBLIC RtpTransport *linphone_call_get_meta_rtp_transport (const LinphoneCall *call, int stream_index);
/**
* @brief Returns the meta rtcp transport for the given stream index.
* @return a pointer to the meta rtcp transport if it exists, NULL otherwise.
* @donotwrap
**/
LINPHONE_PUBLIC RtpTransport *linphone_call_get_meta_rtcp_transport (const LinphoneCall *call, int stream_index);
/**
* Pauses the call. If a music file has been setup using linphone_core_set_play_file(),
* this file will be played to the remote user.
* The only way to resume a paused call is to call linphone_call_resume().
* @param[in] call #LinphoneCall object
* @return 0 on success, -1 on failure
* @see linphone_call_resume()
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_pause (LinphoneCall *call);
/**
* Resumes a call.
* The call needs to have been paused previously with linphone_call_pause().
* @param[in] call #LinphoneCall object
* @return 0 on success, -1 on failure
* @see linphone_call_pause()
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_resume (LinphoneCall *call);
/**
* Terminates a call.
* @param[in] call #LinphoneCall object
* @return 0 on success, -1 on failure
**/LINPHONE_PUBLIC LinphoneStatus linphone_call_terminate (LinphoneCall *call);
/**
* Terminates a call.
* @param[in] call #LinphoneCall object
* @param[in] ei #LinphoneErrorInfo
* @return 0 on success, -1 on failure
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_terminate_with_error_info (LinphoneCall *call, const LinphoneErrorInfo *ei);
/**
* Redirect the specified call to the given redirect URI.
* @param[in] call A #LinphoneCall object
* @param[in] redirect_uri The URI to redirect the call to
* @return 0 if successful, -1 on error.
*/
LINPHONE_PUBLIC LinphoneStatus linphone_call_redirect (LinphoneCall *call, const char *redirect_uri);
/**
* Decline a pending incoming call, with a reason.
* @param[in] call A #LinphoneCall object that must be in the IncomingReceived state
* @param[in] reason The reason for rejecting the call: #LinphoneReasonDeclined or #LinphoneReasonBusy
* @return 0 on success, -1 on failure
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_decline (LinphoneCall *call, LinphoneReason reason);
/**
* Decline a pending incoming call, with a #LinphoneErrorInfo object.
* @param[in] call A #LinphoneCall object that must be in the IncomingReceived state
* @param[in] ei #LinphoneErrorInfo containing more information on the call rejection.
* @return 0 on success, -1 on failure
*/
LINPHONE_PUBLIC int linphone_call_decline_with_error_info (LinphoneCall *call, const LinphoneErrorInfo *ei);
/**
* Accept an incoming call.
*
* Basically the application is notified of incoming calls within the
* call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
* a #LinphoneCallIncoming event with the associated #LinphoneCall object.
* The application can later accept the call using this method.
* @param[in] call A #LinphoneCall object
* @return 0 on success, -1 on failure
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_accept (LinphoneCall *call);
/**
* Accept an incoming call, with parameters.
*
* Basically the application is notified of incoming calls within the
* call_state_changed callback of the #LinphoneCoreVTable structure, where it will receive
* a #LinphoneCallIncoming event with the associated #LinphoneCall object.
* The application can later accept the call using this method.
* @param[in] call A #LinphoneCall object
* @param[in] params The specific parameters for this call, for example whether video is accepted or not. Use NULL to use default parameters
* @maybenil
* @return 0 on success, -1 on failure
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_accept_with_params (LinphoneCall *call, const LinphoneCallParams *params);
/**
* Accept an early media session for an incoming call.
* This is identical as calling linphone_call_accept_early_media_with_params() with NULL parameters.
* @param[in] call A #LinphoneCall object
* @return 0 if successful, -1 otherwise
* @see linphone_call_accept_early_media_with_params()
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_accept_early_media (LinphoneCall *call);
/**
* When receiving an incoming, accept to start a media session as early-media.
* This means the call is not accepted but audio & video streams can be established if the remote party supports early media.
* However, unlike after call acceptance, mic and camera input are not sent during early-media, though received audio & video are played normally.
* The call can then later be fully accepted using linphone_call_accept() or linphone_call_accept_with_params().
* @param[in] call A #LinphoneCall object
* @param[in] params The call parameters to use (can be NULL)
* @maybenil
* @return 0 if successful, -1 otherwise
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_accept_early_media_with_params (LinphoneCall *call, const LinphoneCallParams *params);
/**
* Updates a running call according to supplied call parameters or parameters changed in the LinphoneCore.
* It triggers a SIP reINVITE in order to perform a new offer/answer of media capabilities.
* Changing the size of the transmitted video after calling #linphone_core_set_preferred_video_size() can be used by passing NULL as params argument.
* In case no changes are requested through the #LinphoneCallParams argument, then this argument can be omitted and set to NULL.
* WARNING: Updating a call in the #LinphoneCallPaused state will still result in a paused call even if the media directions set in the
* params are sendrecv. To resume a paused call, you need to call linphone_call_resume().
*
* @param[in] call A #LinphoneCall object
* @param[in] params The new call parameters to use (may be NULL)
* @maybenil
* @return 0 if successful, -1 otherwise.
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_update (LinphoneCall *call, const LinphoneCallParams *params);
/**
* When receiving a #LinphoneCallUpdatedByRemote state notification, prevent #LinphoneCore from performing an automatic answer.
*
* When receiving a #LinphoneCallUpdatedByRemote state notification (ie an incoming reINVITE), the default behaviour of
* #LinphoneCore is defined by the "defer_update_default" option of the "sip" section of the config. If this option is 0 (the default)
* then the #LinphoneCore automatically answers the reINIVTE with call parameters unchanged.
* However when for example when the remote party updated the call to propose a video stream, it can be useful
* to prompt the user before answering. This can be achieved by calling linphone_core_defer_call_update() during
* the call state notification, to deactivate the automatic answer that would just confirm the audio but reject the video.
* Then, when the user responds to dialog prompt, it becomes possible to call linphone_call_accept_update() to answer
* the reINVITE, with eventually video enabled in the #LinphoneCallParams argument.
*
* The #LinphoneCallUpdatedByRemote notification can also arrive when receiving an INVITE without SDP. In such case, an unchanged offer is made
* in the 200Ok, and when the ACK containing the SDP answer is received, #LinphoneCallUpdatedByRemote is triggered to notify the application of possible
* changes in the media session. However in such case defering the update has no meaning since we just generating an offer.
*
* @param[in] call A #LinphoneCall object
* @return 0 if successful, -1 if the linphone_call_defer_update() was done outside a valid #LinphoneCallUpdatedByRemote notification
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_defer_update (LinphoneCall *call);
/**
* Accept call modifications initiated by other end.
*
* This call may be performed in response to a #LinphoneCallUpdatedByRemote state notification.
* When such notification arrives, the application can decide to call linphone_call_defer_update() so that it can
* have the time to prompt the user. linphone_call_get_remote_params() can be used to get information about the call parameters
* requested by the other party, such as whether a video stream is requested.
*
* When the user accepts or refuse the change, linphone_call_accept_update() can be done to answer to the other party.
* If params is NULL, then the same call parameters established before the update request will continue to be used (no change).
* If params is not NULL, then the update will be accepted according to the parameters passed.
* Typical example is when a user accepts to start video, then params should indicate that video stream should be used
* (see linphone_call_params_enable_video()).
* @param[in] call A #LinphoneCall object
* @param[in] params A #LinphoneCallParams object describing the call parameters to accept
* @maybenil
* @return 0 if successful, -1 otherwise (actually when this function call is performed outside ot #LinphoneCallUpdatedByRemote state)
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_accept_update (LinphoneCall *call, const LinphoneCallParams *params);
/**
* Performs a simple call transfer to the specified destination.
* The remote endpoint is expected to issue a new call to the specified destination.
* The current call remains active and thus can be later paused or terminated.
* It is possible to follow the progress of the transfer provided that transferee sends notification about it.
* In this case, the transfer_state_changed callback of the #LinphoneCoreVTable is invoked to notify of the state of the new call at the other party.
* The notified states are #LinphoneCallOutgoingInit , #LinphoneCallOutgoingProgress, #LinphoneCallOutgoingRinging and #LinphoneCallConnected.
* @param[in] call The call to be transfered
* @param[in] refer_to The destination the call is to be refered to
* @return 0 on success, -1 on failure
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_transfer (LinphoneCall *call, const char *refer_to);
/**
* Transfers a call to destination of another running call. This is used for "attended transfer" scenarios.
* The transfered call is supposed to be in paused state, so that it is able to accept the transfer immediately.
* The destination call is a call previously established to introduce the transfered person.
* This method will send a transfer request to the transfered person. The phone of the transfered is then
* expected to automatically call to the destination of the transfer. The receiver of the transfer will then automatically
* close the call with us (the 'dest' call).
* It is possible to follow the progress of the transfer provided that transferee sends notification about it.
* In this case, the transfer_state_changed callback of the #LinphoneCoreVTable is invoked to notify of the state of the new call at the other party.
* The notified states are #LinphoneCallOutgoingInit , #LinphoneCallOutgoingProgress, #LinphoneCallOutgoingRinging and #LinphoneCallConnected.
* @param[in] call A running call you want to transfer
* @param[in] dest A running call whose remote person will receive the transfer
* @return 0 on success, -1 on failure
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_transfer_to_another (LinphoneCall *call, LinphoneCall *dest);
/**
* @}
*/
/**
* @addtogroup media_parameters
* @{
*/
/**
* Get the native window handle of the video window, casted as an unsigned long.
**/
LINPHONE_PUBLIC void * linphone_call_get_native_video_window_id(const LinphoneCall *call);
/**
* Set the native video window id where the video is to be displayed.
* For MacOS, Linux, Windows: if not set or 0 a window will be automatically created, unless the special id -1 is given.
**/
LINPHONE_PUBLIC void linphone_call_set_native_video_window_id(LinphoneCall *call, void * id);
/**
* Enables or disable echo cancellation for this call
* @param call
* @param val
**/
LINPHONE_PUBLIC void linphone_call_enable_echo_cancellation(LinphoneCall *call, bool_t val) ;
/**
* Returns TRUE if echo cancellation is enabled.
**/
LINPHONE_PUBLIC bool_t linphone_call_echo_cancellation_enabled(const LinphoneCall *call);
/**
* Enables or disable echo limiter for this call
* @param call
* @param val
**/
LINPHONE_PUBLIC void linphone_call_enable_echo_limiter(LinphoneCall *call, bool_t val);
/**
* Returns TRUE if echo limiter is enabled.
**/
LINPHONE_PUBLIC bool_t linphone_call_echo_limiter_enabled(const LinphoneCall *call);
/**
* @}
*/
/**
* @addtogroup call_misc
* @{
*/
/**
* Create a new chat room for messaging from a call if not already existing, else return existing one.
* No reference is given to the caller: the chat room will be deleted when the call is ended.
* @param call #LinphoneCall object
* @return #LinphoneChatRoom where messaging can take place.
*/
LINPHONE_PUBLIC LinphoneChatRoom * linphone_call_get_chat_room(LinphoneCall *call);
/**
* Get the mesured playback volume level (received from remote) in dbm0.
* @param call The call.
* @return float Volume level in percentage.
*/
LINPHONE_PUBLIC float linphone_call_get_play_volume(const LinphoneCall *call);
/**
* Get the mesured record volume level (sent to remote) in dbm0.
* @param call The call.
* @return float Volume level in percentage.
*/
LINPHONE_PUBLIC float linphone_call_get_record_volume(const LinphoneCall *call);
/**
* Get speaker volume gain.
* If the sound backend supports it, the returned gain is equal to the gain set
* with the system mixer.
* @param call The call.
* @return Percentage of the max supported volume gain. Valid values are in [ 0.0 : 1.0 ].
* In case of failure, a negative value is returned
*/
LINPHONE_PUBLIC float linphone_call_get_speaker_volume_gain(const LinphoneCall *call);
/**
* Set speaker volume gain.
* If the sound backend supports it, the new gain will synchronized with the system mixer.
* @param call The call.
* @param volume Percentage of the max supported gain. Valid values are in [ 0.0 : 1.0 ].
*/
LINPHONE_PUBLIC void linphone_call_set_speaker_volume_gain(LinphoneCall *call, float volume);
/**
* Get microphone volume gain.
* If the sound backend supports it, the returned gain is equal to the gain set
* with the system mixer.
* @param call The #LinphoneCall object.
* @return double Percentage of the max supported volume gain. Valid values are in [ 0.0 : 1.0 ].
* In case of failure, a negative value is returned
*/
LINPHONE_PUBLIC float linphone_call_get_microphone_volume_gain(const LinphoneCall *call);
/**
* Set microphone volume gain.
* If the sound backend supports it, the new gain will synchronized with the system mixer.
* @param call The #LinphoneCall object.
* @param volume Percentage of the max supported gain. Valid values are in [ 0.0 : 1.0 ].
*/
LINPHONE_PUBLIC void linphone_call_set_microphone_volume_gain(LinphoneCall *call, float volume);
/**
* Get speaker muted state.
* @param call The #LinphoneCall object.
* @return The speaker muted state.
**/
LINPHONE_PUBLIC bool_t linphone_call_get_speaker_muted (const LinphoneCall *call);
/**
* Set speaker muted state.
* @param call The #LinphoneCall object.
* @param muted The speaker muted state.
**/
LINPHONE_PUBLIC void linphone_call_set_speaker_muted (LinphoneCall *call, bool_t muted);
/**
* Get microphone muted state.
* @param call The #LinphoneCall object.
* @return The microphone muted state.
**/
LINPHONE_PUBLIC bool_t linphone_call_get_microphone_muted (const LinphoneCall *call);
/**
* Set microphone muted state.
* @param call The #LinphoneCall object.
* @param muted The microphone muted state.
**/
LINPHONE_PUBLIC void linphone_call_set_microphone_muted (LinphoneCall *call, bool_t muted);
/**
* Obtain real-time quality rating of the call
*
* Based on local RTP statistics and RTCP feedback, a quality rating is computed and updated
* during all the duration of the call. This function returns its value at the time of the function call.
* It is expected that the rating is updated at least every 5 seconds or so.
* The rating is a floating point number comprised between 0 and 5.
*
* 4-5 = good quality
* 3-4 = average quality
* 2-3 = poor quality
* 1-2 = very poor quality
* 0-1 = can't be worse, mostly unusable
*
* @return The function returns -1 if no quality measurement is available, for example if no
* active audio stream exist. Otherwise it returns the quality rating.
**/
LINPHONE_PUBLIC float linphone_call_get_current_quality(const LinphoneCall *call);
/**
* Returns call quality averaged over all the duration of the call.
*
* See linphone_call_get_current_quality() for more details about quality measurement.
**/
LINPHONE_PUBLIC float linphone_call_get_average_quality(const LinphoneCall *call);
/**
* Start call recording.
* Video record is only available if this function is called in state StreamRunning.
* The output file where audio is recorded must be previously specified with linphone_call_params_set_record_file().
**/
LINPHONE_PUBLIC void linphone_call_start_recording(LinphoneCall *call);
/**
* Stop call recording.
**/
LINPHONE_PUBLIC void linphone_call_stop_recording(LinphoneCall *call);
/**
* Returns whether or not the call is currently being recorded
* @param call LinphoneCall for which we can to know the recording state
* @return true if recording is in progress, false otherwise
**/
LINPHONE_PUBLIC bool_t linphone_call_is_recording(LinphoneCall *call);
/**
* Get a player associated with the call to play a local file and stream it to the remote peer.
* @param[in] call #LinphoneCall object
* @return A #LinphonePlayer object
*/
LINPHONE_PUBLIC LinphonePlayer * linphone_call_get_player(LinphoneCall *call);
/**
* Indicates whether an operation is in progress at the media side.
* It can be a bad idea to initiate signaling operations (adding video, pausing the call, removing video, changing video parameters) while
* the media is busy in establishing the connection (typically ICE connectivity checks). It can result in failures generating loss of time
* in future operations in the call.
* Applications are invited to check this function after each call state change to decide whether certain operations are permitted or not.
* @param call the call
* @return TRUE if media is busy in establishing the connection, FALSE otherwise.
**/
LINPHONE_PUBLIC bool_t linphone_call_media_in_progress(const LinphoneCall *call);
/**
* Call generic OpenGL render for a given call.
* @param call The call.
*/
LINPHONE_PUBLIC void linphone_call_ogl_render(const LinphoneCall *call);
/**
* Send a #LinphoneInfoMessage through an established call
* @param call the call
* @param info the info message
**/
LINPHONE_PUBLIC LinphoneStatus linphone_call_send_info_message(LinphoneCall *call, const LinphoneInfoMessage *info);
/**
* Return a copy of the call statistics for a particular stream type.
* @param call the call
* @param type the stream type
**/
LINPHONE_PUBLIC LinphoneCallStats *linphone_call_get_stats(LinphoneCall *call, LinphoneStreamType type);
LINPHONE_PUBLIC LinphoneCallStats *linphone_call_get_audio_stats(LinphoneCall *call);
LINPHONE_PUBLIC LinphoneCallStats *linphone_call_get_video_stats(LinphoneCall *call);
LINPHONE_PUBLIC LinphoneCallStats *linphone_call_get_text_stats(LinphoneCall *call);
/**
* Add a listener in order to be notified of #LinphoneCall events. Once an event is received, registred #LinphoneCallCbs are
* invoked sequencially.
* @param[in] call #LinphoneCall object to monitor.
* @param[in] cbs A #LinphoneCallCbs object holding the callbacks you need. A reference is taken by the #LinphoneCall until you invoke linphone_call_remove_callbacks().
*/
LINPHONE_PUBLIC void linphone_call_add_callbacks(LinphoneCall *call, LinphoneCallCbs *cbs);
/**
* Remove a listener from a #LinphoneCall
* @param[in] call #LinphoneCall object
* @param[in] cbs #LinphoneCallCbs object to remove.
*/
LINPHONE_PUBLIC void linphone_call_remove_callbacks(LinphoneCall *call, LinphoneCallCbs *cbs);
/**
* Gets the current LinphoneCallCbs.
* This is meant only to be called from a callback to be able to get the user_data associated with the #LinphoneCallCbs that is calling the callback.
* @param[in] call #LinphoneCall object
* @return The #LinphoneCallCbs that has called the last callback
*/
LINPHONE_PUBLIC LinphoneCallCbs *linphone_call_get_current_callbacks(const LinphoneCall *call);
/**
* Set call parameters - advanced and not recommended feature - use with caution.
* Local call parameters applicable to an outgoing or incoming shall usually be passed to linphone_core_invite_address_with_params() or
* linphone_call_accept_with_params().
* However, in some cases it might be desirable from a software design standpoint to modify local parameters outside of the application layer, typically
* in the purpose of implementing a custom logic including special headers in INVITE or 200Ok requests, driven by a call_state_changed listener method.
* This function accepts to assign a new #LinphoneCallParams only in #LinphoneCallOutgoingInit and #LinphoneCallIncomingReceived states.
* @param call the #LinphoneCall object
**/
LINPHONE_PUBLIC void linphone_call_set_params(LinphoneCall *call, const LinphoneCallParams *params);
/**
* Returns local parameters associated with the call.
* This is typically the parameters passed at call initiation to linphone_core_invite_address_with_params() or linphone_call_accept_with_params(), or some default
* parameters if no #LinphoneCallParams was explicitely passed during call initiation.
* @param call the #LinphoneCall object
* @return the call's local parameters.
**/
LINPHONE_PUBLIC const LinphoneCallParams *linphone_call_get_params(LinphoneCall *call);
/**
* @}
*/
#ifdef __cplusplus
}
#endif // ifdef __cplusplus
#endif // ifndef _L_C_CALL_H_