Alex Harker
93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
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#ifndef FRAMELIB_LOOKUP_H
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#define FRAMELIB_LOOKUP_H
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#include "FrameLib_DSP.h"
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#include "../../FrameLib_Dependencies/TableReader.hpp"
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#include <algorithm>
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class FrameLib_Lookup final : public FrameLib_Processor
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{
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enum ParameterList { kMode, kInterpolation, kScaling };
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enum Mode { kZero, kClip, kWrap, kPad };
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enum Interpolation { kHermite, kBSpline, kLagrange, kLinear, kNone };
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enum Scaling { kSamples, kNormalised, kBipolar };
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struct ParameterInfo : public FrameLib_Parameters::Info { ParameterInfo(); };
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struct FetchBase : table_fetcher<double>
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{
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FetchBase(const double *data, intptr_t size) : table_fetcher(1.0), mData(data), mSize(size) {}
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const double *mData;
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const intptr_t mSize;
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};
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struct FetchZero : public FetchBase
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{
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FetchZero(const double *data, intptr_t size) : FetchBase(data, size) {}
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double operator()(intptr_t offset)
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{
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if (offset < 0 || offset >= mSize)
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return 0.0;
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return mData[offset];
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}
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};
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struct FetchPad : public FetchBase
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{
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FetchPad(const double *data, intptr_t size, double padValue) : FetchBase(data, size), mPadValue(padValue) {}
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double operator()(intptr_t offset)
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{
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if (offset < 0 || offset >= mSize)
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return mPadValue;
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return mData[offset];
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}
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const double mPadValue;
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};
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/*
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struct FetchWrap : public FetchBase
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{
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FetchWrap(const double *data, intptr_t size) : FetchBase(data, size) {}
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double operator()(intptr_t offset) { return mData[std::min(std::max(offset, 0), mSize - 1)]; }
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};*/
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struct FetchClip : public FetchBase
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{
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FetchClip(const double *data, intptr_t size) : FetchBase(data, size) {}
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double operator()(intptr_t offset) { return mData[std::min(std::max(offset, static_cast<intptr_t>(0)), mSize - 1)]; }
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};
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public:
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// Constructor
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FrameLib_Lookup(FrameLib_Context context, FrameLib_Parameters::Serial *serialisedParameters, FrameLib_Proxy *proxy);
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// Info
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std::string objectInfo(bool verbose) override;
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std::string inputInfo(unsigned long idx, bool verbose) override;
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std::string outputInfo(unsigned long idx, bool verbose) override;
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private:
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// Process
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void process() override;
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// Data
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static ParameterInfo sParamInfo;
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};
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#endif
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