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60 lines
1.7 KiB
60 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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