annotate plugin/DSSIPluginFactory.h @ 1879:652c5360e682

Ensure transforms are populated before instantiateDefaultPluginFor runs - otherwise if we have prior knowledge of a transform id, we can find ourselves trying to instantiate it before the plugin factory has heard of it and e.g. knows which server to use

/* -*- 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.
*/

#ifndef SV_DSSI_PLUGIN_FACTORY_H
#define SV_DSSI_PLUGIN_FACTORY_H

#define DSSI_API_LEVEL 2

#include "LADSPAPluginFactory.h"
#include "api/dssi.h"

#include <QMutex>

class DSSIPluginInstance;

class DSSIPluginFactory : public LADSPAPluginFactory
{
public:
    virtual ~DSSIPluginFactory();

    void enumeratePlugins(std::vector<QString> &list) override;

    std::shared_ptr<RealTimePluginInstance>
    instantiatePlugin(QString identifier,
                      int clientId,
                      int position,
                      sv_samplerate_t sampleRate,
                      int blockSize,
                      int channels) override;

    static std::vector<QString> getPluginPath();

protected:
    DSSIPluginFactory();
    friend class RealTimePluginFactory;

    PluginScan::PluginType getPluginType() const override {
        return PluginScan::DSSIPlugin;
    }

    std::vector<QString> getLRDFPath(QString &baseUri) override;

    void discoverPluginsFrom(QString soName) override;

    const LADSPA_Descriptor *getLADSPADescriptor(QString identifier) override;
    virtual const DSSI_Descriptor *getDSSIDescriptor(QString identifier);

    DSSI_Host_Descriptor m_hostDescriptor;
};

#endif