Mercurial > hg > svcore
view plugin/LADSPAPluginInstance.h @ 1676:3b51df7695a4 single-point
Merge from branch osc-script
author | Chris Cannam |
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date | Thu, 28 Mar 2019 10:39:24 +0000 |
parents | ad5f892c0c4d |
children |
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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 SV_LADSPAPLUGININSTANCE_H #define SV_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(); bool isOK() const override { return m_instanceHandles.size() != 0; } int getClientId() const { return m_client; } QString getPluginIdentifier() const override { return m_identifier; } int getPosition() const { return m_position; } std::string getIdentifier() const override; std::string getName() const override; std::string getDescription() const override; std::string getMaker() const override; int getPluginVersion() const override; std::string getCopyright() const override; void run(const RealTime &rt, int count = 0) override; int getParameterCount() const override; void setParameterValue(int parameter, float value) override; float getParameterValue(int parameter) const override; float getParameterDefault(int parameter) const override; int getParameterDisplayHint(int parameter) const override; ParameterList getParameterDescriptors() const override; float getParameter(std::string) const override; void setParameter(std::string, float) override; int getBufferSize() const override { return m_blockSize; } int getAudioInputCount() const override { return int(m_instanceCount * m_audioPortsIn.size()); } int getAudioOutputCount() const override { return int(m_instanceCount * m_audioPortsOut.size()); } sample_t **getAudioInputBuffers() override { return m_inputBuffers; } sample_t **getAudioOutputBuffers() override { return m_outputBuffers; } int getControlOutputCount() const override { return int(m_controlPortsOut.size()); } float getControlOutputValue(int n) const override; bool isBypassed() const override { return m_bypassed; } void setBypassed(bool bypassed) override { m_bypassed = bypassed; } sv_frame_t getLatency() override; void silence() override; void setIdealChannelCount(int channels) override; // may re-instantiate std::string getType() const override { 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_