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#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
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