/*
* Copyright 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//
// Interface to the A2DP LDAC ABR
//
#ifndef A2DP_VENDOR_LDAC_ABR_H
#define A2DP_VENDOR_LDAC_ABR_H
#include <stdio.h>
#include <ldacBT_abr.h>
// Initial EQMID for ABR mode.
#define LDAC_ABR_MODE_EQMID LDACBT_EQMID_SQ
// Loads the LDAC ABR library.
// Return true on success, otherwise false.
bool A2DP_VendorLoadLdacAbr(void);
// Unloads the LDAC ABR library.
void A2DP_VendorUnloadLdacAbr(void);
// Gets the LDAC ABR handle.
// Return the LDAC ABR handle.
HANDLE_LDAC_ABR a2dp_ldac_abr_get_handle(void);
// Free the LDAC ABR handle.
void a2dp_ldac_abr_free_handle(HANDLE_LDAC_ABR hLdacAbr);
// Initializes the LDAC ABR handle.
// Return 0 on success, or -1 on failure.
int a2dp_ldac_abr_init(HANDLE_LDAC_ABR hLdacAbr, unsigned int interval_ms);
// Sets thresholds for the LDAC ABR handle.
// Return 0 on success, or -1 on failure.
int a2dp_ldac_abr_set_thresholds(HANDLE_LDAC_ABR hLdacAbr,
unsigned int th_critical,
unsigned int th_dangerous_trend,
unsigned int th_4hqsq);
// LDAC ABR main process.
// It controls LDAC encoder bit rate based on A2DP transmit queue length.
// return current EQMID of LDAC encoder.
int a2dp_ldac_abr_proc(HANDLE_LDAC_BT hLdacParam, HANDLE_LDAC_ABR hLdacAbr,
size_t transmit_queue_length, unsigned int flag_enable);
#endif // A2DP_VENDOR_LDAC_ENCODER_H