143 lines
3.8 KiB
C++
143 lines
3.8 KiB
C++
#ifndef _AL_AUXEFFECTSLOT_H_
|
|
#define _AL_AUXEFFECTSLOT_H_
|
|
|
|
#include "alMain.h"
|
|
#include "alEffect.h"
|
|
|
|
#include "almalloc.h"
|
|
#include "atomic.h"
|
|
|
|
|
|
struct ALeffectslot;
|
|
|
|
|
|
struct EffectState {
|
|
RefCount mRef{1u};
|
|
|
|
ALfloat (*mOutBuffer)[BUFFERSIZE]{nullptr};
|
|
ALsizei mOutChannels{0};
|
|
|
|
|
|
virtual ~EffectState() = default;
|
|
|
|
virtual ALboolean deviceUpdate(ALCdevice *device) = 0;
|
|
virtual void update(const ALCcontext *context, const ALeffectslot *slot, const ALeffectProps *props) = 0;
|
|
virtual void process(ALsizei samplesToDo, const ALfloat (*RESTRICT samplesIn)[BUFFERSIZE], ALfloat (*RESTRICT samplesOut)[BUFFERSIZE], ALsizei numChannels) = 0;
|
|
|
|
void IncRef() noexcept;
|
|
void DecRef() noexcept;
|
|
};
|
|
|
|
|
|
struct EffectStateFactory {
|
|
virtual ~EffectStateFactory() { }
|
|
|
|
virtual EffectState *create() = 0;
|
|
};
|
|
|
|
|
|
#define MAX_EFFECT_CHANNELS (4)
|
|
|
|
|
|
struct ALeffectslotArray {
|
|
ALsizei count;
|
|
struct ALeffectslot *slot[];
|
|
};
|
|
|
|
|
|
struct ALeffectslotProps {
|
|
ALfloat Gain;
|
|
ALboolean AuxSendAuto;
|
|
|
|
ALenum Type;
|
|
ALeffectProps Props;
|
|
|
|
EffectState *State;
|
|
|
|
ATOMIC(struct ALeffectslotProps*) next;
|
|
};
|
|
|
|
|
|
struct ALeffectslot {
|
|
ALfloat Gain{1.0f};
|
|
ALboolean AuxSendAuto{AL_TRUE};
|
|
|
|
struct {
|
|
ALenum Type{AL_EFFECT_NULL};
|
|
ALeffectProps Props{};
|
|
|
|
EffectState *State{nullptr};
|
|
} Effect;
|
|
|
|
std::atomic_flag PropsClean{true};
|
|
|
|
RefCount ref{0u};
|
|
|
|
ATOMIC(struct ALeffectslotProps*) Update{nullptr};
|
|
|
|
struct {
|
|
ALfloat Gain{1.0f};
|
|
ALboolean AuxSendAuto{AL_TRUE};
|
|
|
|
ALenum EffectType{AL_EFFECT_NULL};
|
|
ALeffectProps EffectProps{};
|
|
EffectState *mEffectState{nullptr};
|
|
|
|
ALfloat RoomRolloff{0.0f}; /* Added to the source's room rolloff, not multiplied. */
|
|
ALfloat DecayTime{0.0f};
|
|
ALfloat DecayLFRatio{0.0f};
|
|
ALfloat DecayHFRatio{0.0f};
|
|
ALboolean DecayHFLimit{AL_FALSE};
|
|
ALfloat AirAbsorptionGainHF{1.0f};
|
|
} Params;
|
|
|
|
/* Self ID */
|
|
ALuint id{};
|
|
|
|
ALsizei NumChannels{};
|
|
BFChannelConfig ChanMap[MAX_EFFECT_CHANNELS];
|
|
/* Wet buffer configuration is ACN channel order with N3D scaling:
|
|
* * Channel 0 is the unattenuated mono signal.
|
|
* * Channel 1 is OpenAL -X * sqrt(3)
|
|
* * Channel 2 is OpenAL Y * sqrt(3)
|
|
* * Channel 3 is OpenAL -Z * sqrt(3)
|
|
* Consequently, effects that only want to work with mono input can use
|
|
* channel 0 by itself. Effects that want multichannel can process the
|
|
* ambisonics signal and make a B-Format source pan for first-order device
|
|
* output (FOAOut).
|
|
*/
|
|
alignas(16) ALfloat WetBuffer[MAX_EFFECT_CHANNELS][BUFFERSIZE];
|
|
|
|
ALeffectslot() = default;
|
|
ALeffectslot(const ALeffectslot&) = delete;
|
|
ALeffectslot& operator=(const ALeffectslot&) = delete;
|
|
~ALeffectslot();
|
|
|
|
DEF_NEWDEL(ALeffectslot)
|
|
};
|
|
|
|
ALenum InitEffectSlot(ALeffectslot *slot);
|
|
void UpdateEffectSlotProps(ALeffectslot *slot, ALCcontext *context);
|
|
void UpdateAllEffectSlotProps(ALCcontext *context);
|
|
|
|
|
|
EffectStateFactory *NullStateFactory_getFactory(void);
|
|
EffectStateFactory *ReverbStateFactory_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);
|
|
|
|
|
|
ALenum InitializeEffect(ALCcontext *Context, ALeffectslot *EffectSlot, ALeffect *effect);
|
|
|
|
#endif
|