Mercurial > hg > svcore
view plugin/RealTimePluginFactory.h @ 1020:9c00e7944bf2
Merge
author | Chris Cannam |
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date | Thu, 27 Nov 2014 17:51:21 +0000 |
parents | b4a8d8221eaf |
children | a1cd5abcb38b |
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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 file copyright 2006 Chris Cannam. 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. */ #ifndef _REALTIME_PLUGIN_FACTORY_H_ #define _REALTIME_PLUGIN_FACTORY_H_ #include <QString> #include <vector> #include "base/Debug.h" class RealTimePluginInstance; class RealTimePluginDescriptor { public: std::string name; std::string label; std::string maker; std::string copyright; std::string category; bool isSynth; unsigned int parameterCount; unsigned int audioInputPortCount; unsigned int audioOutputPortCount; unsigned int controlOutputPortCount; std::vector<std::string> controlOutputPortNames; }; class RealTimePluginFactory { public: virtual ~RealTimePluginFactory(); static RealTimePluginFactory *instance(QString pluginType); static RealTimePluginFactory *instanceFor(QString identifier); static std::vector<QString> getAllPluginIdentifiers(); static void enumerateAllPlugins(std::vector<QString> &); static void setSampleRate(int sampleRate) { m_sampleRate = sampleRate; } /** * Look up the plugin path and find the plugins in it. Called * automatically after construction of a factory. */ virtual void discoverPlugins() = 0; /** * Return a reference to a list of all plugin identifiers that can * be created by this factory. */ virtual const std::vector<QString> &getPluginIdentifiers() const = 0; /** * Append to the given list descriptions of all the available * plugins and their ports. This is in a standard format, see * the LADSPA implementation for details. */ virtual void enumeratePlugins(std::vector<QString> &list) = 0; /** * Get some basic information about a plugin (rapidly). */ virtual const RealTimePluginDescriptor *getPluginDescriptor(QString identifier) const = 0; /** * Instantiate a plugin. */ virtual RealTimePluginInstance *instantiatePlugin(QString identifier, int clientId, int position, unsigned int sampleRate, unsigned int blockSize, unsigned int channels) = 0; /** * Get category metadata about a plugin (without instantiating it). */ virtual QString getPluginCategory(QString identifier) = 0; protected: RealTimePluginFactory() { } // for call by RealTimePluginInstance dtor virtual void releasePlugin(RealTimePluginInstance *, QString identifier) = 0; friend class RealTimePluginInstance; static int m_sampleRate; }; #endif