#ifndef CORE_EFFECTS_BASE_H #define CORE_EFFECTS_BASE_H #include #include #include "almalloc.h" #include "alspan.h" #include "atomic.h" #include "core/bufferline.h" #include "intrusive_ptr.h" struct BufferStorage; struct ContextBase; struct DeviceBase; struct EffectSlot; struct MixParams; struct RealMixParams; /** Target gain for the reverb decay feedback reaching the decay time. */ inline constexpr float ReverbDecayGain{0.001f}; /* -60 dB */ inline constexpr float ReverbMaxReflectionsDelay{0.3f}; inline constexpr float ReverbMaxLateReverbDelay{0.1f}; enum class ChorusWaveform { Sinusoid, Triangle }; inline constexpr float ChorusMaxDelay{0.016f}; inline constexpr float FlangerMaxDelay{0.004f}; inline constexpr float EchoMaxDelay{0.207f}; inline constexpr float EchoMaxLRDelay{0.404f}; enum class FShifterDirection { Down, Up, Off }; enum class ModulatorWaveform { Sinusoid, Sawtooth, Square }; enum class VMorpherPhenome { A, E, I, O, U, AA, AE, AH, AO, EH, ER, IH, IY, UH, UW, B, D, F, G, J, K, L, M, N, P, R, S, T, V, Z }; enum class VMorpherWaveform { Sinusoid, Triangle, Sawtooth }; struct ReverbProps { float Density; float Diffusion; float Gain; float GainHF; float GainLF; float DecayTime; float DecayHFRatio; float DecayLFRatio; float ReflectionsGain; float ReflectionsDelay; std::array ReflectionsPan; float LateReverbGain; float LateReverbDelay; std::array LateReverbPan; float EchoTime; float EchoDepth; float ModulationTime; float ModulationDepth; float AirAbsorptionGainHF; float HFReference; float LFReference; float RoomRolloffFactor; bool DecayHFLimit; }; struct AutowahProps { float AttackTime; float ReleaseTime; float Resonance; float PeakGain; }; struct ChorusProps { ChorusWaveform Waveform; int Phase; float Rate; float Depth; float Feedback; float Delay; }; struct CompressorProps { bool OnOff; }; struct DistortionProps { float Edge; float Gain; float LowpassCutoff; float EQCenter; float EQBandwidth; }; struct EchoProps { float Delay; float LRDelay; float Damping; float Feedback; float Spread; }; struct EqualizerProps { float LowCutoff; float LowGain; float Mid1Center; float Mid1Gain; float Mid1Width; float Mid2Center; float Mid2Gain; float Mid2Width; float HighCutoff; float HighGain; }; struct FshiterProps { float Frequency; FShifterDirection LeftDirection; FShifterDirection RightDirection; }; struct ModulatorProps { float Frequency; float HighPassCutoff; ModulatorWaveform Waveform; }; struct PshifterProps { int CoarseTune; int FineTune; }; struct VmorpherProps { float Rate; VMorpherPhenome PhonemeA; VMorpherPhenome PhonemeB; int PhonemeACoarseTuning; int PhonemeBCoarseTuning; VMorpherWaveform Waveform; }; struct DedicatedProps { float Gain; }; struct ConvolutionProps { std::array OrientAt; std::array OrientUp; }; union EffectProps { ReverbProps Reverb; AutowahProps Autowah; ChorusProps Chorus; /* Also Flanger */ CompressorProps Compressor; DistortionProps Distortion; EchoProps Echo; EqualizerProps Equalizer; FshiterProps Fshifter; ModulatorProps Modulator; PshifterProps Pshifter; VmorpherProps Vmorpher; DedicatedProps Dedicated; ConvolutionProps Convolution; }; struct EffectTarget { MixParams *Main; RealMixParams *RealOut; }; struct EffectState : public al::intrusive_ref { al::span mOutTarget; virtual ~EffectState() = default; virtual void deviceUpdate(const DeviceBase *device, const BufferStorage *buffer) = 0; virtual void update(const ContextBase *context, const EffectSlot *slot, const EffectProps *props, const EffectTarget target) = 0; virtual void process(const size_t samplesToDo, const al::span samplesIn, const al::span samplesOut) = 0; }; struct EffectStateFactory { virtual ~EffectStateFactory() = default; virtual al::intrusive_ptr create() = 0; }; #endif /* CORE_EFFECTS_BASE_H */