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61 lines
1.7 KiB
61 lines
1.7 KiB
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OFFLOAD_EQUALIZER_H_
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#define OFFLOAD_EQUALIZER_H_
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#include "bundle.h"
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#define NUM_EQ_BANDS 5
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#define INVALID_PRESET -2
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#define PRESET_CUSTOM -1
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extern const effect_descriptor_t equalizer_descriptor;
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typedef struct equalizer_context_s {
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effect_context_t common;
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int preset;
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int band_levels[NUM_EQ_BANDS];
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// Offload vars
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struct mixer_ctl *ctl;
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uint32_t device;
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struct eq_params offload_eq;
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} equalizer_context_t;
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int equalizer_get_parameter(effect_context_t *context, effect_param_t *p,
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uint32_t *size);
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int equalizer_set_parameter(effect_context_t *context, effect_param_t *p,
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uint32_t size);
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int equalizer_set_device(effect_context_t *context, uint32_t device);
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int equalizer_reset(effect_context_t *context);
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int equalizer_init(effect_context_t *context);
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int equalizer_enable(effect_context_t *context);
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int equalizer_disable(effect_context_t *context);
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int equalizer_start(effect_context_t *context, output_context_t *output);
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int equalizer_stop(effect_context_t *context, output_context_t *output);
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#endif /*OFFLOAD_EQUALIZER_H_*/
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