view plugin/RealTimePluginFactory.cpp @ 631:3a5ee4b6c9ad

* Complete the overhaul of CSV file import; now you can pick the purpose for
  each column in the file, and SV should do the rest.  The most significant
  practical improvement here is that we can now handle files in which time
  and duration do not necessarily appear in known columns.

// -*- c-basic-offset: 4 indent-tabs-mode: nil -*-

/*
    Rosegarden-4
    A sequencer and musical notation editor.

    This program is Copyright 2000-2006
        Guillaume Laurent   <[e-mail]>,
        Chris Cannam        <[e-mail]>,
        Richard Bown        <[e-mail]>

    The moral right of the authors to claim authorship of this work
    has been asserted.

    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.
*/

#include "RealTimePluginFactory.h"
#include "PluginIdentifier.h"

#include "LADSPAPluginFactory.h"
#include "DSSIPluginFactory.h"

#include "system/System.h"
#include "base/Profiler.h"

#include <iostream>

int RealTimePluginFactory::m_sampleRate = 48000;

static LADSPAPluginFactory *_ladspaInstance = 0;
static LADSPAPluginFactory *_dssiInstance = 0;

RealTimePluginFactory::~RealTimePluginFactory()
{
}

RealTimePluginFactory *
RealTimePluginFactory::instance(QString pluginType)
{
    if (pluginType == "ladspa") {
	if (!_ladspaInstance) {
//	    std::cerr << "RealTimePluginFactory::instance(" << pluginType.toStdString()
//		      << "): creating new LADSPAPluginFactory" << std::endl;
	    _ladspaInstance = new LADSPAPluginFactory();
	    _ladspaInstance->discoverPlugins();
	}
	return _ladspaInstance;
    } else if (pluginType == "dssi") {
	if (!_dssiInstance) {
//	    std::cerr << "RealTimePluginFactory::instance(" << pluginType.toStdString()
//		      << "): creating new DSSIPluginFactory" << std::endl;
	    _dssiInstance = new DSSIPluginFactory();
	    _dssiInstance->discoverPlugins();
	}
	return _dssiInstance;
    }
	
    else return 0;
}

RealTimePluginFactory *
RealTimePluginFactory::instanceFor(QString identifier)
{
    QString type, soName, label;
    PluginIdentifier::parseIdentifier(identifier, type, soName, label);
    return instance(type);
}

std::vector<QString>
RealTimePluginFactory::getAllPluginIdentifiers()
{
    Profiler profiler("RealTimePluginFactory::getAllPluginIdentifiers");

    RealTimePluginFactory *factory;
    std::vector<QString> rv;
    
    // Query DSSI plugins before LADSPA ones.
    // This is to provide for the interesting possibility of plugins
    // providing either DSSI or LADSPA versions of themselves,
    // returning both versions if the LADSPA identifiers are queried
    // first but only the DSSI version if the DSSI identifiers are
    // queried first.

    factory = instance("dssi");
    if (factory) {
	const std::vector<QString> &tmp = factory->getPluginIdentifiers();
	for (size_t i = 0; i < tmp.size(); ++i) {
	    rv.push_back(tmp[i]);
	}
    }

    factory = instance("ladspa");
    if (factory) {
	const std::vector<QString> &tmp = factory->getPluginIdentifiers();
	for (size_t i = 0; i < tmp.size(); ++i) {
	    rv.push_back(tmp[i]);
	}
    }

    // Plugins can change the locale, revert it to default.
    RestoreStartupLocale();

    return rv;
}

void
RealTimePluginFactory::enumerateAllPlugins(std::vector<QString> &list)
{
    Profiler profiler("RealTimePluginFactory::enumerateAllPlugins");

    RealTimePluginFactory *factory;

    // Query DSSI plugins before LADSPA ones.
    // This is to provide for the interesting possibility of plugins
    // providing either DSSI or LADSPA versions of themselves,
    // returning both versions if the LADSPA identifiers are queried
    // first but only the DSSI version if the DSSI identifiers are
    // queried first.

    factory = instance("dssi");
    if (factory) factory->enumeratePlugins(list);

    factory = instance("ladspa");
    if (factory) factory->enumeratePlugins(list);
    
    // Plugins can change the locale, revert it to default.
    RestoreStartupLocale();
}