-int linphone_core_start_echo_calibration(LinphoneCore *lc, LinphoneEcCalibrationCallback cb, void *cb_data);
+int linphone_core_start_echo_calibration(LinphoneCore *lc, LinphoneEcCalibrationCallback cb,
+ LinphoneEcCalibrationAudioInit audio_init_cb, LinphoneEcCalibrationAudioUninit audio_uninit_cb, void *cb_data);