retro commit for released version 3.0.1

4klang_source/Go4kVSTi/source/common/AudioEffect.hpp

@@ -0,0 +1,109 @@
+#ifndef __AudioEffect__
+#define __AudioEffect__
+
+#include "AEffect.h"	// "c" interface
+#include <string.h>
+
+class AEffEditor;
+class AudioEffect;
+
+// Needs to be defined by the audio effect and is
+// called to create the audio effect object instance.
+AudioEffect* createEffectInstance (audioMasterCallback audioMaster);
+
+long dispatchEffectClass(AEffect *e,
+	long opCode, long index, long value, void *ptr, float opt);
+float getParameterClass(long index);
+void setParameterClass(long index, float value);
+void processClass(AEffect *e, float **inputs, float **outputs, long sampleFrames);
+void processClassReplacing(AEffect *e, float **inputs, float **outputs, long sampleFrames);
+
+class AudioEffect
+{
+friend class AEffEditor;
+friend long dispatchEffectClass(AEffect *e, long opCode, long index, long value, void *ptr, float opt);
+friend float getParameterClass(AEffect *e, long index);
+friend void setParameterClass(AEffect *e, long index, float value);
+friend void processClass(AEffect *e, float **inputs, float **outputs, long sampleFrames);
+friend void processClassReplacing(AEffect *e, float **inputs, float **outputs, long sampleFrames);
+
+public:
+	AudioEffect(audioMasterCallback audioMaster, long numPrograms, long numParams);
+	virtual ~AudioEffect();
+
+	virtual void setParameter(long index, float value) {index = index; value = value;}
+	virtual float getParameter(long index) {index = index; return 0;}
+	virtual void setParameterAutomated(long index, float value);
+
+	AEffect *getAeffect() {return &cEffect;}
+	void setEditor(AEffEditor *editor)
+	{	this->editor = editor;
+		if(editor) cEffect.flags |= effFlagsHasEditor;
+		else cEffect.flags &= ~effFlagsHasEditor;}
+
+	// called from audio master
+	virtual void process(float **inputs, float **outputs, long sampleFrames) = 0;
+	virtual void processReplacing(float **inputs, float **outputs, long sampleFrames)
+		{inputs = inputs; outputs = outputs; sampleFrames = sampleFrames;}
+	virtual long dispatcher(long opCode, long index, long value, void *ptr, float opt);
+	virtual void open() {}
+	virtual void close() {}
+	virtual long getProgram() {return curProgram;}
+	virtual void setProgram(long program) {curProgram = program;}	// don't forget to set curProgram
+	virtual void setProgramName(char *name) {*name = 0;}			// all following refer to curProgram
+	virtual void getProgramName(char *name) {*name = 0;}
+	virtual void getParameterLabel(long index, char *label) {index = index; *label = 0;}
+	virtual void getParameterDisplay(long index, char *text) {index = index; *text = 0;}
+	virtual void getParameterName(long index, char *text) {index = index; *text = 0;}
+	virtual float getVu() {return 0;}
+	virtual long getChunk(void** data, bool isPreset = false) {return 0;}	// returns byteSize
+	virtual long setChunk(void* data, long byteSize, bool isPreset = false) {return 0;}
+	virtual void setSampleRate(float sampleRate) {this->sampleRate = sampleRate;}
+	virtual void setBlockSize(long blockSize) {this->blockSize = blockSize;}
+	virtual void suspend() {}
+	virtual void resume() {}
+
+	// setup
+	virtual void setUniqueID(long iD) {cEffect.uniqueID = iD;}		// must call this!
+	virtual void setNumInputs(long inputs) {cEffect.numInputs = inputs;}
+	virtual void setNumOutputs(long outputs) {cEffect.numOutputs = outputs;}
+	virtual void hasVu(bool state = true);
+	virtual void hasClip(bool state = true);
+	virtual void canMono(bool state = true);
+	virtual void canProcessReplacing(bool state = true);
+	virtual void programsAreChunks(bool state = true);
+	virtual void setRealtimeQualities(long qualities);
+	virtual void setOfflineQualities(long qualities);
+	virtual void setInitialDelay(long delay);
+
+	// inquiry
+	virtual float getSampleRate() {return sampleRate;}
+	virtual long getBlockSize() {return blockSize;}
+
+	// host communication
+	virtual long getMasterVersion();
+	virtual long getCurrentUniqueId();
+	virtual void masterIdle();
+	virtual bool isInputConnected(long input);
+	virtual bool isOutputConnected(long output);
+
+	// tools
+	virtual void dB2string(float value, char *text);
+	virtual void Hz2string(float samples, char *text);
+	virtual void ms2string(float samples, char *text);
+	virtual void float2string(float value, char *string);
+	virtual void long2string(long value, char *text);
+
+protected:	
+	// members
+	float sampleRate;
+	AEffEditor *editor;
+	audioMasterCallback audioMaster;
+	long numPrograms;
+	long numParams;
+	long curProgram;
+	long blockSize;
+	AEffect cEffect;
+};
+
+#endif