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/* -*- c-basic-offset: 4 -*- */
/*
dssi-vst: a DSSI plugin wrapper for VST effects and instruments
Copyright 2004-2008 Chris Cannam
*/
#ifndef REMOTE_PLUGIN_SERVER_H
#define REMOTE_PLUGIN_SERVER_H
#include "remoteplugin.h"
#include <string>
class RemotePluginServer
{
public:
virtual ~RemotePluginServer();
virtual bool isReady() = 0;
virtual float getVersion() { return RemotePluginVersion; }
virtual std::string getName() = 0;
virtual std::string getMaker() = 0;
virtual void setBufferSize(int) = 0;
virtual void setSampleRate(int) = 0;
virtual void reset() = 0;
virtual void terminate() = 0;
virtual int getInputCount() = 0;
virtual int getOutputCount() = 0;
virtual int getParameterCount() { return 0; }
virtual std::string getParameterName(int) { return ""; }
virtual void setParameter(int, float) { return; }
virtual float getParameter(int) { return 0.0f; }
virtual float getParameterDefault(int) { return 0.0f; }
virtual void getParameters(int p0, int pn, float *v) {
for (int i = p0; i <= pn; ++i) v[i - p0] = 0.0f;
}
virtual int getProgramCount() { return 0; }
virtual std::string getProgramName(int) { return ""; }
virtual void setCurrentProgram(int) { return; }
virtual bool hasMIDIInput() { return false; }
virtual void sendMIDIData(unsigned char *data,
int *frameOffsets,
int events) { return; }
virtual void process(float **inputs, float **outputs) = 0;
virtual void setDebugLevel(RemotePluginDebugLevel) { return; }
virtual bool warn(std::string) = 0;
virtual void showGUI(std::string guiData) { }
virtual void hideGUI() { }
void dispatch(int timeout = -1); // may throw RemotePluginClosedException
void dispatchControl(int timeout = -1); // may throw RemotePluginClosedException
void dispatchProcess(int timeout = -1); // may throw RemotePluginClosedException
protected:
RemotePluginServer(std::string fileIdentifiers);
void cleanup();
private:
RemotePluginServer(const RemotePluginServer &); // not provided
RemotePluginServer &operator=(const RemotePluginServer &); // not provided
void dispatchControlEvents();
void dispatchProcessEvents();
int m_bufferSize;
int m_numInputs;
int m_numOutputs;
int m_controlRequestFd;
int m_controlResponseFd;
int m_processFd;
int m_shmFd;
char *m_controlRequestFileName;
char *m_controlResponseFileName;
char *m_processFileName;
char *m_shmFileName;
char *m_shm;
size_t m_shmSize;
float **m_inputs;
float **m_outputs;
RemotePluginDebugLevel m_debugLevel;
void sizeShm();
};
#endif
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