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/*
* Copyright (c) 2013-2014, 2018, The Linux Foundation. All rights reserved.
* Not a Contribution.
*
* Copyright (C) 2013 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.
*/
#ifndef OFFLOAD_EQUALIZER_H_
#define OFFLOAD_EQUALIZER_H_
#include "bundle.h"
#define NUM_EQ_BANDS 5
#define INVALID_PRESET -2
#define PRESET_CUSTOM -1
#define EQ_PARAM_LATENCY 0x80000000
extern const effect_descriptor_t equalizer_descriptor;
typedef struct equalizer_context_s {
effect_context_t common;
int preset;
int band_levels[NUM_EQ_BANDS];
// Offload vars
struct mixer_ctl *ctl;
int hw_acc_fd;
uint32_t device;
struct eq_params offload_eq;
} equalizer_context_t;
int equalizer_get_parameter(effect_context_t *context, effect_param_t *p,
uint32_t *size);
int equalizer_set_parameter(effect_context_t *context, effect_param_t *p,
uint32_t size);
int equalizer_set_device(effect_context_t *context, uint32_t device);
int equalizer_set_mode(effect_context_t *context, int32_t hw_acc_fd);
int equalizer_reset(effect_context_t *context);
int equalizer_init(effect_context_t *context);
int equalizer_enable(effect_context_t *context);
int equalizer_disable(effect_context_t *context);
int equalizer_start(effect_context_t *context, output_context_t *output);
int equalizer_stop(effect_context_t *context, output_context_t *output);
#endif /*OFFLOAD_EQUALIZER_H_*/