Mercurial > hg > svcore
view plugin/LADSPAPluginInstance.h @ 1:a23739e2338a
* Debug
* Update copyrights to 2006
author | Chris Cannam |
---|---|
date | Thu, 12 Jan 2006 13:43:49 +0000 |
parents | da6937383da8 |
children | d86891498eef |
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/* -*- c-basic-offset: 4 -*- vi:set ts=8 sts=4 sw=4: */ /* A waveform viewer and audio annotation editor. Chris Cannam, Queen Mary University of London, 2005 This is experimental software. Not for distribution. */ /* This is a modified version of a source file from the Rosegarden MIDI and audio sequencer and notation editor. This file copyright 2000-2005 Chris Cannam and Richard Bown. */ #ifndef _LADSPAPLUGININSTANCE_H_ #define _LADSPAPLUGININSTANCE_H_ #include <vector> #include <set> #include <QString> #include "api/ladspa.h" #include "RealTimePluginInstance.h" // LADSPA plugin instance. LADSPA is a variable block size API, but // for one reason and another it's more convenient to use a fixed // block size in this wrapper. // class LADSPAPluginInstance : public RealTimePluginInstance { public: virtual ~LADSPAPluginInstance(); virtual bool isOK() const { return m_instanceHandles.size() != 0; } int getClientId() const { return m_client; } virtual QString getIdentifier() const { return m_identifier; } int getPosition() const { return m_position; } virtual void run(const RealTime &rt); virtual unsigned int getParameterCount() const; virtual void setParameterValue(unsigned int parameter, float value); virtual float getParameterValue(unsigned int parameter) const; virtual float getParameterDefault(unsigned int parameter) const; virtual size_t getBufferSize() const { return m_blockSize; } virtual size_t getAudioInputCount() const { return m_instanceCount * m_audioPortsIn.size(); } virtual size_t getAudioOutputCount() const { return m_instanceCount * m_audioPortsOut.size(); } virtual sample_t **getAudioInputBuffers() { return m_inputBuffers; } virtual sample_t **getAudioOutputBuffers() { return m_outputBuffers; } virtual bool isBypassed() const { return m_bypassed; } virtual void setBypassed(bool bypassed) { m_bypassed = bypassed; } virtual size_t getLatency(); virtual void silence(); virtual void setIdealChannelCount(size_t channels); // may re-instantiate protected: // To be constructed only by LADSPAPluginFactory friend class LADSPAPluginFactory; // Constructor that creates the buffers internally // LADSPAPluginInstance(RealTimePluginFactory *factory, int client, QString identifier, int position, unsigned long sampleRate, size_t blockSize, int idealChannelCount, const LADSPA_Descriptor* descriptor); // Constructor that uses shared buffers // LADSPAPluginInstance(RealTimePluginFactory *factory, int client, QString identifier, int position, unsigned long sampleRate, size_t blockSize, sample_t **inputBuffers, sample_t **outputBuffers, const LADSPA_Descriptor* descriptor); void init(int idealChannelCount = 0); void instantiate(unsigned long sampleRate); void cleanup(); void activate(); void deactivate(); // Connection of data (and behind the scenes control) ports // void connectPorts(); int m_client; int m_position; std::vector<LADSPA_Handle> m_instanceHandles; size_t m_instanceCount; const LADSPA_Descriptor *m_descriptor; std::vector<std::pair<unsigned long, LADSPA_Data*> > m_controlPortsIn; std::vector<std::pair<unsigned long, LADSPA_Data*> > m_controlPortsOut; std::vector<int> m_audioPortsIn; std::vector<int> m_audioPortsOut; size_t m_blockSize; sample_t **m_inputBuffers; sample_t **m_outputBuffers; bool m_ownBuffers; size_t m_sampleRate; float *m_latencyPort; bool m_run; bool m_bypassed; }; #endif // _LADSPAPLUGININSTANCE_H_