1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_EFFECTBUNDLE_H_ 18 #define ANDROID_EFFECTBUNDLE_H_ 19 20 #include <audio_effects/effect_bassboost.h> 21 #include <audio_effects/effect_equalizer.h> 22 #include <audio_effects/effect_virtualizer.h> 23 #include <LVM.h> 24 #include <limits.h> 25 26 #if __cplusplus 27 extern "C" { 28 #endif 29 30 #define FIVEBAND_NUMBANDS 5 31 #define MAX_NUM_BANDS 5 32 #define MAX_CALL_SIZE 256 33 #define LVM_MAX_SESSIONS 32 34 #define LVM_UNUSED_SESSION INT_MAX 35 #define BASS_BOOST_CUP_LOAD_ARM9E 150 // Expressed in 0.1 MIPS 36 #define VIRTUALIZER_CUP_LOAD_ARM9E 120 // Expressed in 0.1 MIPS 37 #define EQUALIZER_CUP_LOAD_ARM9E 220 // Expressed in 0.1 MIPS 38 #define VOLUME_CUP_LOAD_ARM9E 0 // Expressed in 0.1 MIPS 39 #define BUNDLE_MEM_USAGE 25 // Expressed in kB 40 //#define LVM_PCM 41 42 #ifndef OPENSL_ES_H_ 43 static const effect_uuid_t SL_IID_VOLUME_ = { 0x09e8ede0, 0xddde, 0x11db, 0xb4f6, 44 { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }; 45 const effect_uuid_t * const SL_IID_VOLUME = &SL_IID_VOLUME_; 46 #endif //OPENSL_ES_H_ 47 48 typedef enum 49 { 50 LVM_BASS_BOOST, 51 LVM_VIRTUALIZER, 52 LVM_EQUALIZER, 53 LVM_VOLUME 54 } lvm_effect_en; 55 56 // Preset configuration. 57 struct PresetConfig { 58 // Human-readable name. 59 const char * name; 60 // An array of size nBands where each element is a configuration for the 61 // corresponding band. 62 //const BandConfig * bandConfigs; 63 }; 64 65 /* BundledEffectContext : One per session */ 66 struct BundledEffectContext{ 67 LVM_Handle_t hInstance; /* Instance handle */ 68 int SessionNo; /* Current session number */ 69 int SessionId; /* Current session id */ 70 bool bVolumeEnabled; /* Flag for Volume */ 71 bool bEqualizerEnabled; /* Flag for EQ */ 72 bool bBassEnabled; /* Flag for Bass */ 73 bool bBassTempDisabled; /* Flag for Bass to be re-enabled */ 74 bool bVirtualizerEnabled; /* Flag for Virtualizer */ 75 bool bVirtualizerTempDisabled; /* Flag for effect to be re-enabled */ 76 int NumberEffectsEnabled; /* Effects in this session */ 77 int NumberEffectsCalled; /* Effects called so far */ 78 bool firstVolume; /* No smoothing on first Vol change */ 79 // Saved parameters for each effect */ 80 // Bass Boost 81 int BassStrengthSaved; /* Conversion between Get/Set */ 82 // Equalizer 83 int CurPreset; /* Current preset being used */ 84 // Virtualzer 85 int VirtStrengthSaved; /* Conversion between Get/Set */ 86 // Volume 87 int levelSaved; /* for when mute is set, level must be saved */ 88 int positionSaved; 89 bool bMuteEnabled; /* Must store as mute = -96dB level */ 90 bool bStereoPositionEnabled; 91 LVM_Fs_en SampleRate; 92 int SamplesPerSecond; 93 int SamplesToExitCountEq; 94 int SamplesToExitCountBb; 95 int SamplesToExitCountVirt; 96 LVM_INT16 *workBuffer; 97 int frameCount; 98 #ifdef LVM_PCM 99 FILE *PcmInPtr; 100 FILE *PcmOutPtr; 101 #endif 102 }; 103 104 /* SessionContext : One session */ 105 struct SessionContext{ 106 bool bBundledEffectsEnabled; 107 bool bVolumeInstantiated; 108 bool bEqualizerInstantiated; 109 bool bBassInstantiated; 110 bool bVirtualizerInstantiated; 111 BundledEffectContext *pBundledContext; 112 }; 113 114 struct EffectContext{ 115 const struct effect_interface_s *itfe; 116 effect_config_t config; 117 lvm_effect_en EffectType; 118 BundledEffectContext *pBundledContext; 119 }; 120 121 122 /* enumerated parameter settings for Volume effect */ 123 typedef enum 124 { 125 VOLUME_PARAM_LEVEL, // type SLmillibel = typedef SLuint16 (set & get) 126 VOLUME_PARAM_MAXLEVEL, // type SLmillibel = typedef SLuint16 (get) 127 VOLUME_PARAM_MUTE, // type SLboolean = typedef SLuint32 (set & get) 128 VOLUME_PARAM_ENABLESTEREOPOSITION, // type SLboolean = typedef SLuint32 (set & get) 129 VOLUME_PARAM_STEREOPOSITION, // type SLpermille = typedef SLuint16 (set & get) 130 } t_volume_params; 131 132 static const int PRESET_CUSTOM = -1; 133 134 static const uint32_t bandFreqRange[FIVEBAND_NUMBANDS][2] = { 135 {30000, 120000}, 136 {120001, 460000}, 137 {460001, 1800000}, 138 {1800001, 7000000}, 139 {7000001, 1}}; 140 141 static const LVM_UINT16 EQNB_5BandPresetsFrequencies[] = { 142 60, /* Frequencies in Hz */ 143 230, 144 910, 145 3600, 146 14000}; 147 148 static const LVM_UINT16 EQNB_5BandPresetsQFactors[] = { 149 96, /* Q factor multiplied by 100 */ 150 96, 151 96, 152 96, 153 96}; 154 155 static const LVM_INT16 EQNB_5BandNormalPresets[] = { 156 3, 0, 0, 0, 3, /* Normal Preset */ 157 8, 5, -3, 5, 6, /* Classical Preset */ 158 15, -6, 7, 13, 10, /* Dance Preset */ 159 0, 0, 0, 0, 0, /* Flat Preset */ 160 6, -2, -2, 6, -3, /* Folk Preset */ 161 8, -8, 13, -1, -4, /* Heavy Metal Preset */ 162 10, 6, -4, 5, 8, /* Hip Hop Preset */ 163 8, 5, -4, 5, 9, /* Jazz Preset */ 164 -6, 4, 9, 4, -5, /* Pop Preset */ 165 10, 6, -1, 8, 10}; /* Rock Preset */ 166 167 static const LVM_INT16 EQNB_5BandSoftPresets[] = { 168 3, 0, 0, 0, 3, /* Normal Preset */ 169 5, 3, -2, 4, 4, /* Classical Preset */ 170 6, 0, 2, 4, 1, /* Dance Preset */ 171 0, 0, 0, 0, 0, /* Flat Preset */ 172 3, 0, 0, 2, -1, /* Folk Preset */ 173 4, 1, 9, 3, 0, /* Heavy Metal Preset */ 174 5, 3, 0, 1, 3, /* Hip Hop Preset */ 175 4, 2, -2, 2, 5, /* Jazz Preset */ 176 -1, 2, 5, 1, -2, /* Pop Preset */ 177 5, 3, -1, 3, 5}; /* Rock Preset */ 178 179 static const PresetConfig gEqualizerPresets[] = { 180 {"Normal"}, 181 {"Classical"}, 182 {"Dance"}, 183 {"Flat"}, 184 {"Folk"}, 185 {"Heavy Metal"}, 186 {"Hip Hop"}, 187 {"Jazz"}, 188 {"Pop"}, 189 {"Rock"}}; 190 191 #if __cplusplus 192 } // extern "C" 193 #endif 194 195 196 #endif /*ANDROID_EFFECTBUNDLE_H_*/ 197