Alex Harker
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
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#ifndef FRAMELIB_READ_H
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#define FRAMELIB_READ_H
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#include "FrameLib_DSP.h"
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#include "../../FrameLib_Dependencies/TableReader.hpp"
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// FIX - consider adding anti-alising later....
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class FrameLib_Read final : public FrameLib_Processor
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{
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// Parameter Info and Enums
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enum ParameterList { kBuffer, kChannel, kInterpolation, kUnits };
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enum Interpolation { kHermite, kBSpline, kLagrange, kLinear, kNone };
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enum Units { kMS, kSeconds, kSamples };
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struct ParameterInfo : public FrameLib_Parameters::Info { ParameterInfo(); };
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public:
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struct Proxy : virtual FrameLib_Proxy
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{
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// Called when the buffer name changes
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virtual void update(const char *name) = 0;
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// Called prior and after reading
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// acquire - should return the length in samples (or zero for an invalid buffer) / sampling rate should be set to that of the buffer if one exists
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virtual void acquire(unsigned long& length, double& samplingRate) = 0;
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virtual void release() = 0;
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// Read
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virtual void read(double *output, const double *positions, unsigned long size, long chan, InterpType interpType) = 0;
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};
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// Constructor
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FrameLib_Read(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 update() override;
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void process() override;
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// Data
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long mChan;
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Interpolation mInterpolation;
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Units mUnits;
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Proxy *mProxy;
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static ParameterInfo sParamInfo;
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};
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#endif
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