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/*
* Copyright (C) 2010 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 ANDROID_EFFECTEQUALIZERAPI_H_
#define ANDROID_EFFECTEQUALIZERAPI_H_
#include <media/EffectApi.h>
// for the definition of SL_IID_EQUALIZER
#include "OpenSLES.h"
#if __cplusplus
extern "C" {
#endif
/* enumerated parameters for Equalizer effect */
typedef enum
{
EQ_PARAM_NUM_BANDS, // Gets the number of frequency bands that the equalizer supports.
EQ_PARAM_LEVEL_RANGE, // Returns the minimum and maximum band levels supported.
EQ_PARAM_BAND_LEVEL, // Gets/Sets the gain set for the given equalizer band.
EQ_PARAM_CENTER_FREQ, // Gets the center frequency of the given band.
EQ_PARAM_BAND_FREQ_RANGE, // Gets the frequency range of the given frequency band.
EQ_PARAM_GET_BAND, // Gets the band that has the most effect on the given frequency.
EQ_PARAM_CUR_PRESET, // Gets/Sets the current preset.
EQ_PARAM_GET_NUM_OF_PRESETS, // Gets the total number of presets the equalizer supports.
EQ_PARAM_GET_PRESET_NAME // Gets the preset name based on the index.
} t_equalizer_params;
#if __cplusplus
} // extern "C"
#endif
#endif /*ANDROID_EFFECTEQUALIZERAPI_H_*/
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