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#ifndef EFFECTS_BASE_H
#define EFFECTS_BASE_H
#include "alMain.h"
#include "almalloc.h"
#include "atomic.h"
struct ALeffectslot;
union EffectProps {
struct {
// Shared Reverb Properties
ALfloat Density;
ALfloat Diffusion;
ALfloat Gain;
ALfloat GainHF;
ALfloat DecayTime;
ALfloat DecayHFRatio;
ALfloat ReflectionsGain;
ALfloat ReflectionsDelay;
ALfloat LateReverbGain;
ALfloat LateReverbDelay;
ALfloat AirAbsorptionGainHF;
ALfloat RoomRolloffFactor;
ALboolean DecayHFLimit;
// Additional EAX Reverb Properties
ALfloat GainLF;
ALfloat DecayLFRatio;
ALfloat ReflectionsPan[3];
ALfloat LateReverbPan[3];
ALfloat EchoTime;
ALfloat EchoDepth;
ALfloat ModulationTime;
ALfloat ModulationDepth;
ALfloat HFReference;
ALfloat LFReference;
} Reverb;
struct {
ALfloat AttackTime;
ALfloat ReleaseTime;
ALfloat Resonance;
ALfloat PeakGain;
} Autowah;
struct {
ALint Waveform;
ALint Phase;
ALfloat Rate;
ALfloat Depth;
ALfloat Feedback;
ALfloat Delay;
} Chorus; /* Also Flanger */
struct {
ALboolean OnOff;
} Compressor;
struct {
ALfloat Edge;
ALfloat Gain;
ALfloat LowpassCutoff;
ALfloat EQCenter;
ALfloat EQBandwidth;
} Distortion;
struct {
ALfloat Delay;
ALfloat LRDelay;
ALfloat Damping;
ALfloat Feedback;
ALfloat Spread;
} Echo;
struct {
ALfloat LowCutoff;
ALfloat LowGain;
ALfloat Mid1Center;
ALfloat Mid1Gain;
ALfloat Mid1Width;
ALfloat Mid2Center;
ALfloat Mid2Gain;
ALfloat Mid2Width;
ALfloat HighCutoff;
ALfloat HighGain;
} Equalizer;
struct {
ALfloat Frequency;
ALint LeftDirection;
ALint RightDirection;
} Fshifter;
struct {
ALfloat Frequency;
ALfloat HighPassCutoff;
ALint Waveform;
} Modulator;
struct {
ALint CoarseTune;
ALint FineTune;
} Pshifter;
struct {
ALfloat Gain;
} Dedicated;
};
struct EffectVtable {
void (*const setParami)(EffectProps *props, ALCcontext *context, ALenum param, ALint val);
void (*const setParamiv)(EffectProps *props, ALCcontext *context, ALenum param, const ALint *vals);
void (*const setParamf)(EffectProps *props, ALCcontext *context, ALenum param, ALfloat val);
void (*const setParamfv)(EffectProps *props, ALCcontext *context, ALenum param, const ALfloat *vals);
void (*const getParami)(const EffectProps *props, ALCcontext *context, ALenum param, ALint *val);
void (*const getParamiv)(const EffectProps *props, ALCcontext *context, ALenum param, ALint *vals);
void (*const getParamf)(const EffectProps *props, ALCcontext *context, ALenum param, ALfloat *val);
void (*const getParamfv)(const EffectProps *props, ALCcontext *context, ALenum param, ALfloat *vals);
};
#define DEFINE_ALEFFECT_VTABLE(T) \
const EffectVtable T##_vtable = { \
T##_setParami, T##_setParamiv, \
T##_setParamf, T##_setParamfv, \
T##_getParami, T##_getParamiv, \
T##_getParamf, T##_getParamfv, \
}
struct EffectTarget {
MixParams *Main;
RealMixParams *RealOut;
};
struct EffectState {
RefCount mRef{1u};
ALfloat (*mOutBuffer)[BUFFERSIZE]{nullptr};
ALsizei mOutChannels{0};
virtual ~EffectState() = default;
virtual ALboolean deviceUpdate(const ALCdevice *device) = 0;
virtual void update(const ALCcontext *context, const ALeffectslot *slot, const EffectProps *props, const EffectTarget target) = 0;
virtual void process(ALsizei samplesToDo, const ALfloat (*RESTRICT samplesIn)[BUFFERSIZE], const ALsizei numInput, ALfloat (*RESTRICT samplesOut)[BUFFERSIZE], const ALsizei numOutput) = 0;
void IncRef() noexcept;
void DecRef() noexcept;
};
struct EffectStateFactory {
virtual ~EffectStateFactory() { }
virtual EffectState *create() = 0;
virtual EffectProps getDefaultProps() const noexcept = 0;
virtual const EffectVtable *getEffectVtable() const noexcept = 0;
};
EffectStateFactory *NullStateFactory_getFactory(void);
EffectStateFactory *ReverbStateFactory_getFactory(void);
EffectStateFactory *StdReverbStateFactory_getFactory(void);
EffectStateFactory *AutowahStateFactory_getFactory(void);
EffectStateFactory *ChorusStateFactory_getFactory(void);
EffectStateFactory *CompressorStateFactory_getFactory(void);
EffectStateFactory *DistortionStateFactory_getFactory(void);
EffectStateFactory *EchoStateFactory_getFactory(void);
EffectStateFactory *EqualizerStateFactory_getFactory(void);
EffectStateFactory *FlangerStateFactory_getFactory(void);
EffectStateFactory *FshifterStateFactory_getFactory(void);
EffectStateFactory *ModulatorStateFactory_getFactory(void);
EffectStateFactory *PshifterStateFactory_getFactory(void);
EffectStateFactory *DedicatedStateFactory_getFactory(void);
#endif /* EFFECTS_BASE_H */
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