197 lines
8.7 KiB
C
197 lines
8.7 KiB
C
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/*
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* Copyright (C) 2010 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 ANDROID_EFFECTBUNDLE_H_
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#define ANDROID_EFFECTBUNDLE_H_
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#include <media/EffectEqualizerApi.h>
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#include <media/EffectBassBoostApi.h>
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#include <media/EffectVirtualizerApi.h>
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#include <LVM.h>
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#include <limits.h>
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#if __cplusplus
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extern "C" {
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#endif
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#define FIVEBAND_NUMBANDS 5
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#define MAX_NUM_BANDS 5
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#define MAX_CALL_SIZE 256
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#define LVM_MAX_SESSIONS 32
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#define LVM_UNUSED_SESSION INT_MAX
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#define BASS_BOOST_CUP_LOAD_ARM9E 150 // Expressed in 0.1 MIPS
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#define VIRTUALIZER_CUP_LOAD_ARM9E 120 // Expressed in 0.1 MIPS
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#define EQUALIZER_CUP_LOAD_ARM9E 220 // Expressed in 0.1 MIPS
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#define VOLUME_CUP_LOAD_ARM9E 0 // Expressed in 0.1 MIPS
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#define BUNDLE_MEM_USAGE 25 // Expressed in kB
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//#define LVM_PCM
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#ifndef OPENSL_ES_H_
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static const effect_uuid_t SL_IID_VOLUME_ = { 0x09e8ede0, 0xddde, 0x11db, 0xb4f6,
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{ 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } };
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const effect_uuid_t * const SL_IID_VOLUME = &SL_IID_VOLUME_;
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#endif //OPENSL_ES_H_
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typedef enum
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{
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LVM_BASS_BOOST,
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LVM_VIRTUALIZER,
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LVM_EQUALIZER,
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LVM_VOLUME
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} lvm_effect_en;
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// Preset configuration.
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struct PresetConfig {
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// Human-readable name.
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const char * name;
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// An array of size nBands where each element is a configuration for the
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// corresponding band.
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//const BandConfig * bandConfigs;
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};
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/* BundledEffectContext : One per session */
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struct BundledEffectContext{
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LVM_Handle_t hInstance; /* Instance handle */
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int SessionNo; /* Current session number */
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int SessionId; /* Current session id */
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bool bVolumeEnabled; /* Flag for Volume */
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bool bEqualizerEnabled; /* Flag for EQ */
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bool bBassEnabled; /* Flag for Bass */
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bool bBassTempDisabled; /* Flag for Bass to be re-enabled */
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bool bVirtualizerEnabled; /* Flag for Virtualizer */
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bool bVirtualizerTempDisabled; /* Flag for effect to be re-enabled */
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int NumberEffectsEnabled; /* Effects in this session */
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int NumberEffectsCalled; /* Effects called so far */
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bool firstVolume; /* No smoothing on first Vol change */
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// Saved parameters for each effect */
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// Bass Boost
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int BassStrengthSaved; /* Conversion between Get/Set */
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// Equalizer
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int CurPreset; /* Current preset being used */
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// Virtualzer
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int VirtStrengthSaved; /* Conversion between Get/Set */
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// Volume
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int levelSaved; /* for when mute is set, level must be saved */
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int positionSaved;
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bool bMuteEnabled; /* Must store as mute = -96dB level */
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bool bStereoPositionEnabled;
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LVM_Fs_en SampleRate;
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int SamplesPerSecond;
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int SamplesToExitCountEq;
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int SamplesToExitCountBb;
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int SamplesToExitCountVirt;
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LVM_INT16 *workBuffer;
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int frameCount;
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#ifdef LVM_PCM
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FILE *PcmInPtr;
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FILE *PcmOutPtr;
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#endif
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};
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/* SessionContext : One session */
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struct SessionContext{
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bool bBundledEffectsEnabled;
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bool bVolumeInstantiated;
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bool bEqualizerInstantiated;
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bool bBassInstantiated;
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bool bVirtualizerInstantiated;
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BundledEffectContext *pBundledContext;
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};
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struct EffectContext{
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const struct effect_interface_s *itfe;
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effect_config_t config;
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lvm_effect_en EffectType;
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BundledEffectContext *pBundledContext;
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};
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/* enumerated parameter settings for Volume effect */
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typedef enum
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{
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VOLUME_PARAM_LEVEL, // type SLmillibel = typedef SLuint16 (set & get)
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VOLUME_PARAM_MAXLEVEL, // type SLmillibel = typedef SLuint16 (get)
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VOLUME_PARAM_MUTE, // type SLboolean = typedef SLuint32 (set & get)
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VOLUME_PARAM_ENABLESTEREOPOSITION, // type SLboolean = typedef SLuint32 (set & get)
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VOLUME_PARAM_STEREOPOSITION, // type SLpermille = typedef SLuint16 (set & get)
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} t_volume_params;
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static const int PRESET_CUSTOM = -1;
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static const uint32_t bandFreqRange[FIVEBAND_NUMBANDS][2] = {
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{30000, 120000},
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{120001, 460000},
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{460001, 1800000},
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{1800001, 7000000},
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{7000001, 1}};
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static const LVM_UINT16 EQNB_5BandPresetsFrequencies[] = {
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60, /* Frequencies in Hz */
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230,
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910,
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3600,
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14000};
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static const LVM_UINT16 EQNB_5BandPresetsQFactors[] = {
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96, /* Q factor multiplied by 100 */
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96,
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96,
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96,
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96};
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static const LVM_INT16 EQNB_5BandNormalPresets[] = {
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3, 0, 0, 0, 3, /* Normal Preset */
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8, 5, -3, 5, 6, /* Classical Preset */
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15, -6, 7, 13, 10, /* Dance Preset */
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0, 0, 0, 0, 0, /* Flat Preset */
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6, -2, -2, 6, -3, /* Folk Preset */
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8, -8, 13, -1, -4, /* Heavy Metal Preset */
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10, 6, -4, 5, 8, /* Hip Hop Preset */
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8, 5, -4, 5, 9, /* Jazz Preset */
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-6, 4, 9, 4, -5, /* Pop Preset */
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10, 6, -1, 8, 10}; /* Rock Preset */
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static const LVM_INT16 EQNB_5BandSoftPresets[] = {
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3, 0, 0, 0, 3, /* Normal Preset */
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5, 3, -2, 4, 4, /* Classical Preset */
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6, 0, 2, 4, 1, /* Dance Preset */
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0, 0, 0, 0, 0, /* Flat Preset */
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3, 0, 0, 2, -1, /* Folk Preset */
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4, 1, 9, 3, 0, /* Heavy Metal Preset */
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5, 3, 0, 1, 3, /* Hip Hop Preset */
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4, 2, -2, 2, 5, /* Jazz Preset */
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-1, 2, 5, 1, -2, /* Pop Preset */
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5, 3, -1, 3, 5}; /* Rock Preset */
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static const PresetConfig gEqualizerPresets[] = {
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{"Normal"},
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{"Classical"},
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{"Dance"},
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{"Flat"},
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{"Folk"},
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{"Heavy Metal"},
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{"Hip Hop"},
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{"Jazz"},
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{"Pop"},
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{"Rock"}};
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#if __cplusplus
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} // extern "C"
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#endif
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#endif /*ANDROID_EFFECTBUNDLE_H_*/
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