Mercurial > hg > svcore
view plugin/LADSPAPluginInstance.h @ 1040:a1cd5abcb38b cxx11
Introduce and use a samplerate type
author | Chris Cannam |
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date | Wed, 04 Mar 2015 12:01:04 +0000 |
parents | b14064bd1f97 |
children | 48e9f538e6e9 |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ /* This is a modified version of a source file from the Rosegarden MIDI and audio sequencer and notation editor. This file copyright 2000-2006 Chris Cannam and Richard Bown. */ #ifndef _LADSPAPLUGININSTANCE_H_ #define _LADSPAPLUGININSTANCE_H_ #include <vector> #include <set> #include <QString> #include "api/ladspa.h" #include "RealTimePluginInstance.h" #include "base/BaseTypes.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 getPluginIdentifier() const { return m_identifier; } int getPosition() const { return m_position; } virtual std::string getIdentifier() const; virtual std::string getName() const; virtual std::string getDescription() const; virtual std::string getMaker() const; virtual int getPluginVersion() const; virtual std::string getCopyright() const; virtual void run(const RealTime &rt, int count = 0); virtual int getParameterCount() const; virtual void setParameterValue(int parameter, float value); virtual float getParameterValue(int parameter) const; virtual float getParameterDefault(int parameter) const; virtual int getParameterDisplayHint(int parameter) const; virtual ParameterList getParameterDescriptors() const; virtual float getParameter(std::string) const; virtual void setParameter(std::string, float); virtual int getBufferSize() const { return m_blockSize; } virtual int getAudioInputCount() const { return int(m_instanceCount * m_audioPortsIn.size()); } virtual int getAudioOutputCount() const { return int(m_instanceCount * m_audioPortsOut.size()); } virtual sample_t **getAudioInputBuffers() { return m_inputBuffers; } virtual sample_t **getAudioOutputBuffers() { return m_outputBuffers; } virtual int getControlOutputCount() const { return int(m_controlPortsOut.size()); } virtual float getControlOutputValue(int n) const; virtual bool isBypassed() const { return m_bypassed; } virtual void setBypassed(bool bypassed) { m_bypassed = bypassed; } virtual sv_frame_t getLatency(); virtual void silence(); virtual void setIdealChannelCount(int channels); // may re-instantiate virtual std::string getType() const { return "LADSPA Real-Time Plugin"; } 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, sv_samplerate_t sampleRate, int blockSize, int idealChannelCount, const LADSPA_Descriptor* descriptor); void init(int idealChannelCount = 0); void instantiate(sv_samplerate_t 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; int m_instanceCount; const LADSPA_Descriptor *m_descriptor; std::vector<std::pair<int, LADSPA_Data*> > m_controlPortsIn; std::vector<std::pair<int, LADSPA_Data*> > m_controlPortsOut; std::vector<int> m_audioPortsIn; std::vector<int> m_audioPortsOut; int m_blockSize; sample_t **m_inputBuffers; sample_t **m_outputBuffers; bool m_ownBuffers; sv_samplerate_t m_sampleRate; float *m_latencyPort; bool m_run; bool m_bypassed; }; #endif // _LADSPAPLUGININSTANCE_H_