| /* |
| * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved. |
| * Not a Contribution. |
| * |
| * Copyright (C) 2011 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 QAHW_EFFECT_EQUALIZER_H_ |
| #define QAHW_EFFECT_EQUALIZER_H_ |
| |
| #include <qahw_effect_api.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define QAHW_EFFECT_EQUALIZER_LIBRARY "libqcompostprocbundle.so" |
| |
| static const qahw_effect_uuid_t SL_IID_EQUALIZER_ = { 0x0bed4300, 0xddd6, 0x11db, 0x8f34, |
| { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }; |
| static const qahw_effect_uuid_t * const SL_IID_EQUALIZER = &SL_IID_EQUALIZER_; |
| |
| static const qahw_effect_uuid_t SL_IID_EQUALIZER_UUID_ = { 0xa0dac280, 0x401c, 0x11e3, 0x9379, |
| { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }; |
| static const qahw_effect_uuid_t * const SL_IID_EQUALIZER_UUID = &SL_IID_EQUALIZER_UUID_; |
| |
| /* 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. |
| EQ_PARAM_PROPERTIES, // Gets/Sets all parameters at a time. |
| EQ_PARAM_LATENCY = 0x80000000 // Internal paramter specific to qahw. |
| // Used to get latency introduced by equalizer effect. |
| } qahw_equalizer_params; |
| |
| enum |
| { |
| EQ_PRESET_NORMAL = 0, |
| EQ_PRESET_CLASSICAL, |
| EQ_PRESET_DANCE, |
| EQ_PRESET_FLAT, |
| EQ_PRESET_FOLK, |
| EQ_PRESET_HEAVY_METAL, |
| EQ_PRESET_HIPHOP, |
| EQ_PRESET_JAZZ, |
| EQ_PRESET_POP, |
| EQ_PRESET_ROCK, |
| EQ_PRESET_FX_BOOSTER, |
| EQ_PRESET_LAST = EQ_PRESET_FX_BOOSTER |
| }; |
| |
| //qahw_equalizer_settings groups all current equalizer setting for backup and restore. |
| typedef struct s_equalizer_settings { |
| uint16_t curPreset; |
| uint16_t numBands; |
| uint16_t bandLevels[]; |
| } qahw_equalizer_settings; |
| |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| |
| #endif /*QAHW_EFFECT_EQUALIZER_H_*/ |