| /* |
| * 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_EFFECTBUNDLE_H_ |
| #define ANDROID_EFFECTBUNDLE_H_ |
| |
| #include <audio_effects/effect_bassboost.h> |
| #include <audio_effects/effect_equalizer.h> |
| #include <audio_effects/effect_virtualizer.h> |
| #include <LVM.h> |
| #include <limits.h> |
| |
| #if __cplusplus |
| extern "C" { |
| #endif |
| |
| #define FIVEBAND_NUMBANDS 5 |
| #define MAX_NUM_BANDS 5 |
| #define MAX_CALL_SIZE 256 |
| #define LVM_MAX_SESSIONS 32 |
| #define LVM_UNUSED_SESSION INT_MAX |
| #define BASS_BOOST_CUP_LOAD_ARM9E 150 // Expressed in 0.1 MIPS |
| #define VIRTUALIZER_CUP_LOAD_ARM9E 120 // Expressed in 0.1 MIPS |
| #define EQUALIZER_CUP_LOAD_ARM9E 220 // Expressed in 0.1 MIPS |
| #define VOLUME_CUP_LOAD_ARM9E 0 // Expressed in 0.1 MIPS |
| #define BUNDLE_MEM_USAGE 25 // Expressed in kB |
| //#define LVM_PCM |
| |
| #ifndef OPENSL_ES_H_ |
| static const effect_uuid_t SL_IID_VOLUME_ = { 0x09e8ede0, 0xddde, 0x11db, 0xb4f6, |
| { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }; |
| const effect_uuid_t * const SL_IID_VOLUME = &SL_IID_VOLUME_; |
| #endif //OPENSL_ES_H_ |
| |
| typedef enum |
| { |
| LVM_BASS_BOOST, |
| LVM_VIRTUALIZER, |
| LVM_EQUALIZER, |
| LVM_VOLUME |
| } lvm_effect_en; |
| |
| // Preset configuration. |
| struct PresetConfig { |
| // Human-readable name. |
| const char * name; |
| // An array of size nBands where each element is a configuration for the |
| // corresponding band. |
| //const BandConfig * bandConfigs; |
| }; |
| |
| /* BundledEffectContext : One per session */ |
| struct BundledEffectContext{ |
| LVM_Handle_t hInstance; /* Instance handle */ |
| int SessionNo; /* Current session number */ |
| int SessionId; /* Current session id */ |
| bool bVolumeEnabled; /* Flag for Volume */ |
| bool bEqualizerEnabled; /* Flag for EQ */ |
| bool bBassEnabled; /* Flag for Bass */ |
| bool bBassTempDisabled; /* Flag for Bass to be re-enabled */ |
| bool bVirtualizerEnabled; /* Flag for Virtualizer */ |
| bool bVirtualizerTempDisabled; /* Flag for effect to be re-enabled */ |
| int NumberEffectsEnabled; /* Effects in this session */ |
| int NumberEffectsCalled; /* Effects called so far */ |
| bool firstVolume; /* No smoothing on first Vol change */ |
| // Saved parameters for each effect */ |
| // Bass Boost |
| int BassStrengthSaved; /* Conversion between Get/Set */ |
| // Equalizer |
| int CurPreset; /* Current preset being used */ |
| // Virtualzer |
| int VirtStrengthSaved; /* Conversion between Get/Set */ |
| // Volume |
| int levelSaved; /* for when mute is set, level must be saved */ |
| int positionSaved; |
| bool bMuteEnabled; /* Must store as mute = -96dB level */ |
| bool bStereoPositionEnabled; |
| LVM_Fs_en SampleRate; |
| int SamplesPerSecond; |
| int SamplesToExitCountEq; |
| int SamplesToExitCountBb; |
| int SamplesToExitCountVirt; |
| LVM_INT16 *workBuffer; |
| int frameCount; |
| int32_t bandGaindB[FIVEBAND_NUMBANDS]; |
| int volume; |
| #ifdef LVM_PCM |
| FILE *PcmInPtr; |
| FILE *PcmOutPtr; |
| #endif |
| }; |
| |
| /* SessionContext : One session */ |
| struct SessionContext{ |
| bool bBundledEffectsEnabled; |
| bool bVolumeInstantiated; |
| bool bEqualizerInstantiated; |
| bool bBassInstantiated; |
| bool bVirtualizerInstantiated; |
| BundledEffectContext *pBundledContext; |
| }; |
| |
| struct EffectContext{ |
| const struct effect_interface_s *itfe; |
| effect_config_t config; |
| lvm_effect_en EffectType; |
| BundledEffectContext *pBundledContext; |
| }; |
| |
| |
| /* enumerated parameter settings for Volume effect */ |
| typedef enum |
| { |
| VOLUME_PARAM_LEVEL, // type SLmillibel = typedef SLuint16 (set & get) |
| VOLUME_PARAM_MAXLEVEL, // type SLmillibel = typedef SLuint16 (get) |
| VOLUME_PARAM_MUTE, // type SLboolean = typedef SLuint32 (set & get) |
| VOLUME_PARAM_ENABLESTEREOPOSITION, // type SLboolean = typedef SLuint32 (set & get) |
| VOLUME_PARAM_STEREOPOSITION, // type SLpermille = typedef SLuint16 (set & get) |
| } t_volume_params; |
| |
| static const int PRESET_CUSTOM = -1; |
| |
| static const uint32_t bandFreqRange[FIVEBAND_NUMBANDS][2] = { |
| {30000, 120000}, |
| {120001, 460000}, |
| {460001, 1800000}, |
| {1800001, 7000000}, |
| {7000001, 1}}; |
| |
| static const LVM_UINT16 EQNB_5BandPresetsFrequencies[] = { |
| 60, /* Frequencies in Hz */ |
| 230, |
| 910, |
| 3600, |
| 14000}; |
| |
| static const LVM_UINT16 EQNB_5BandPresetsQFactors[] = { |
| 96, /* Q factor multiplied by 100 */ |
| 96, |
| 96, |
| 96, |
| 96}; |
| |
| static const LVM_INT16 EQNB_5BandNormalPresets[] = { |
| 3, 0, 0, 0, 3, /* Normal Preset */ |
| 8, 5, -3, 5, 6, /* Classical Preset */ |
| 15, -6, 7, 13, 10, /* Dance Preset */ |
| 0, 0, 0, 0, 0, /* Flat Preset */ |
| 6, -2, -2, 6, -3, /* Folk Preset */ |
| 8, -8, 13, -1, -4, /* Heavy Metal Preset */ |
| 10, 6, -4, 5, 8, /* Hip Hop Preset */ |
| 8, 5, -4, 5, 9, /* Jazz Preset */ |
| -6, 4, 9, 4, -5, /* Pop Preset */ |
| 10, 6, -1, 8, 10}; /* Rock Preset */ |
| |
| static const LVM_INT16 EQNB_5BandSoftPresets[] = { |
| 3, 0, 0, 0, 3, /* Normal Preset */ |
| 5, 3, -2, 4, 4, /* Classical Preset */ |
| 6, 0, 2, 4, 1, /* Dance Preset */ |
| 0, 0, 0, 0, 0, /* Flat Preset */ |
| 3, 0, 0, 2, -1, /* Folk Preset */ |
| 4, 1, 9, 3, 0, /* Heavy Metal Preset */ |
| 5, 3, 0, 1, 3, /* Hip Hop Preset */ |
| 4, 2, -2, 2, 5, /* Jazz Preset */ |
| -1, 2, 5, 1, -2, /* Pop Preset */ |
| 5, 3, -1, 3, 5}; /* Rock Preset */ |
| |
| static const PresetConfig gEqualizerPresets[] = { |
| {"Normal"}, |
| {"Classical"}, |
| {"Dance"}, |
| {"Flat"}, |
| {"Folk"}, |
| {"Heavy Metal"}, |
| {"Hip Hop"}, |
| {"Jazz"}, |
| {"Pop"}, |
| {"Rock"}}; |
| |
| #if __cplusplus |
| } // extern "C" |
| #endif |
| |
| |
| #endif /*ANDROID_EFFECTBUNDLE_H_*/ |
