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rosegarden/src/sound/LADSPAPluginFactory.cpp

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/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <bownie@bownie.com>
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 "LADSPAPluginFactory.h"
#include <iostream>
#include <cstdlib>
#ifdef HAVE_LADSPA
#include <dlfcn.h>
#include <tqdir.h>
#include <cmath>
#include "AudioPluginInstance.h"
#include "LADSPAPluginInstance.h"
#include "MappedStudio.h"
#include "PluginIdentifier.h"
#ifdef HAVE_LIBLRDF
#include "lrdf.h"
#endif // HAVE_LIBLRDF
#include <kdebug.h>
namespace Rosegarden
{
LADSPAPluginFactory::LADSPAPluginFactory()
{}
LADSPAPluginFactory::~LADSPAPluginFactory()
{
for (std::set
<RunnablePluginInstance *>::iterator i = m_instances.begin();
i != m_instances.end(); ++i) {
(*i)->setFactory(0);
delete *i;
}
m_instances.clear();
unloadUnusedLibraries();
}
const std::vector<TQString> &
LADSPAPluginFactory::getPluginIdentifiers() const
{
return m_identifiers;
}
void
LADSPAPluginFactory::enumeratePlugins(MappedObjectPropertyList &list)
{
for (std::vector<TQString>::iterator i = m_identifiers.begin();
i != m_identifiers.end(); ++i) {
const LADSPA_Descriptor *descriptor = getLADSPADescriptor(*i);
if (!descriptor) {
std::cerr << "WARNING: LADSPAPluginFactory::enumeratePlugins: couldn't get descriptor for identifier " << (*i).ascii() << std::endl;
continue;
}
// std::cerr << "Enumerating plugin identifier " << *i << std::endl;
list.push_back(*i);
list.push_back(descriptor->Name);
list.push_back(TQString("%1").arg(descriptor->UniqueID));
list.push_back(descriptor->Label);
list.push_back(descriptor->Maker);
list.push_back(descriptor->Copyright);
list.push_back("false"); // is synth
list.push_back("false"); // is grouped
if (m_taxonomy.find(descriptor->UniqueID) != m_taxonomy.end() &&
m_taxonomy[descriptor->UniqueID] != "") {
// std::cerr << "LADSPAPluginFactory: cat for " << *i<< " found in taxonomy as " << m_taxonomy[descriptor->UniqueID] << std::endl;
list.push_back(m_taxonomy[descriptor->UniqueID]);
} else if (m_fallbackCategories.find(*i) !=
m_fallbackCategories.end()) {
list.push_back(m_fallbackCategories[*i]);
// std::cerr << "LADSPAPluginFactory: cat for " << *i <<" found in fallbacks as " << m_fallbackCategories[*i] << std::endl;
} else {
list.push_back("");
// std::cerr << "LADSPAPluginFactory: cat for " << *i << " not found (despite having " << m_fallbackCategories.size() << " fallbacks)" << std::endl;
}
list.push_back(TQString("%1").arg(descriptor->PortCount));
for (unsigned long p = 0; p < descriptor->PortCount; ++p) {
int type = 0;
if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[p])) {
type |= PluginPort::Control;
} else {
type |= PluginPort::Audio;
}
if (LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[p])) {
type |= PluginPort::Input;
} else {
type |= PluginPort::Output;
}
list.push_back(TQString("%1").arg(p));
list.push_back(descriptor->PortNames[p]);
list.push_back(TQString("%1").arg(type));
list.push_back(TQString("%1").arg(getPortDisplayHint(descriptor, p)));
list.push_back(TQString("%1").arg(getPortMinimum(descriptor, p)));
list.push_back(TQString("%1").arg(getPortMaximum(descriptor, p)));
list.push_back(TQString("%1").arg(getPortDefault(descriptor, p)));
}
}
unloadUnusedLibraries();
}
void
LADSPAPluginFactory::populatePluginSlot(TQString identifier, MappedPluginSlot &slot)
{
const LADSPA_Descriptor *descriptor = getLADSPADescriptor(identifier);
if (descriptor) {
slot.setProperty(MappedPluginSlot::Label, descriptor->Label);
slot.setProperty(MappedPluginSlot::PluginName, descriptor->Name);
slot.setProperty(MappedPluginSlot::Author, descriptor->Maker);
slot.setProperty(MappedPluginSlot::Copyright, descriptor->Copyright);
slot.setProperty(MappedPluginSlot::PortCount, descriptor->PortCount);
if (m_taxonomy.find(descriptor->UniqueID) != m_taxonomy.end() &&
m_taxonomy[descriptor->UniqueID] != "") {
// std::cerr << "LADSPAPluginFactory: cat for " << identifier<< " found in taxonomy as " << m_taxonomy[descriptor->UniqueID] << std::endl;
slot.setProperty(MappedPluginSlot::Category,
m_taxonomy[descriptor->UniqueID]);
} else if (m_fallbackCategories.find(identifier) !=
m_fallbackCategories.end()) {
// std::cerr << "LADSPAPluginFactory: cat for " << identifier <<" found in fallbacks as " << m_fallbackCategories[identifier] << std::endl;
slot.setProperty(MappedPluginSlot::Category,
m_fallbackCategories[identifier]);
} else {
// std::cerr << "LADSPAPluginFactory: cat for " << identifier << " not found (despite having " << m_fallbackCategories.size() << " fallbacks)" << std::endl;
slot.setProperty(MappedPluginSlot::Category, "");
}
slot.destroyChildren();
for (unsigned long i = 0; i < descriptor->PortCount; i++) {
if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i]) &&
LADSPA_IS_PORT_INPUT(descriptor->PortDescriptors[i])) {
MappedStudio *studio = dynamic_cast<MappedStudio *>(slot.getParent());
if (!studio) {
std::cerr << "WARNING: LADSPAPluginFactory::populatePluginSlot: can't find studio" << std::endl;
return ;
}
MappedPluginPort *port =
dynamic_cast<MappedPluginPort *>
(studio->createObject(MappedObject::PluginPort));
slot.addChild(port);
port->setParent(&slot);
port->setProperty(MappedPluginPort::PortNumber, i);
port->setProperty(MappedPluginPort::Name,
descriptor->PortNames[i]);
port->setProperty(MappedPluginPort::Maximum,
getPortMaximum(descriptor, i));
port->setProperty(MappedPluginPort::Minimum,
getPortMinimum(descriptor, i));
port->setProperty(MappedPluginPort::Default,
getPortDefault(descriptor, i));
port->setProperty(MappedPluginPort::DisplayHint,
getPortDisplayHint(descriptor, i));
}
}
}
//!!! leak here if the plugin is not instantiated too...?
}
MappedObjectValue
LADSPAPluginFactory::getPortMinimum(const LADSPA_Descriptor *descriptor, int port)
{
LADSPA_PortRangeHintDescriptor d =
descriptor->PortRangeHints[port].HintDescriptor;
MappedObjectValue minimum = 0.0;
if (LADSPA_IS_HINT_BOUNDED_BELOW(d)) {
MappedObjectValue lb = descriptor->PortRangeHints[port].LowerBound;
minimum = lb;
} else if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
MappedObjectValue ub = descriptor->PortRangeHints[port].UpperBound;
minimum = std::min(0.f, ub - 1.f);
}
if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
minimum *= m_sampleRate;
}
if (LADSPA_IS_HINT_LOGARITHMIC(d)) {
if (minimum == 0.f) minimum = 1.f;
}
return minimum;
}
MappedObjectValue
LADSPAPluginFactory::getPortMaximum(const LADSPA_Descriptor *descriptor, int port)
{
LADSPA_PortRangeHintDescriptor d =
descriptor->PortRangeHints[port].HintDescriptor;
MappedObjectValue maximum = 1.0;
// std::cerr << "LADSPAPluginFactory::getPortMaximum(" << port << ")" << std::endl;
// std::cerr << "bounded above: " << LADSPA_IS_HINT_BOUNDED_ABOVE(d) << std::endl;
if (LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
MappedObjectValue ub = descriptor->PortRangeHints[port].UpperBound;
maximum = ub;
} else {
MappedObjectValue lb = descriptor->PortRangeHints[port].LowerBound;
if (LADSPA_IS_HINT_LOGARITHMIC(d)) {
if (lb == 0.f) lb = 1.f;
maximum = lb * 100.f;
} else {
if (lb == 1.f) maximum = 10.f;
else maximum = lb + 10;
}
}
if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
// std::cerr << "note: port has sample rate hint" << std::endl;
maximum *= m_sampleRate;
}
// std::cerr << "maximum: " << maximum << std::endl;
// if (LADSPA_IS_HINT_LOGARITHMIC(d)) {
// std::cerr << "note: port is logarithmic" << std::endl;
// }
// std::cerr << "note: minimum is reported as " << getPortMinimum(descriptor, port) << " (from bounded = " << LADSPA_IS_HINT_BOUNDED_BELOW(d) << ", bound = " << descriptor->PortRangeHints[port].LowerBound << ")" << std::endl;
return maximum;
}
MappedObjectValue
LADSPAPluginFactory::getPortDefault(const LADSPA_Descriptor *descriptor, int port)
{
MappedObjectValue minimum = getPortMinimum(descriptor, port);
MappedObjectValue maximum = getPortMaximum(descriptor, port);
MappedObjectValue deft;
if (m_portDefaults.find(descriptor->UniqueID) !=
m_portDefaults.end()) {
if (m_portDefaults[descriptor->UniqueID].find(port) !=
m_portDefaults[descriptor->UniqueID].end()) {
deft = m_portDefaults[descriptor->UniqueID][port];
if (deft < minimum) deft = minimum;
if (deft > maximum) deft = maximum;
// std::cerr << "port " << port << ": default " << deft << " from defaults" << std::endl;
return deft;
}
}
LADSPA_PortRangeHintDescriptor d =
descriptor->PortRangeHints[port].HintDescriptor;
bool logarithmic = LADSPA_IS_HINT_LOGARITHMIC(d);
float logmin = 0, logmax = 0;
if (logarithmic) {
float thresh = powf(10, -10);
if (minimum < thresh) logmin = -10;
else logmin = log10f(minimum);
if (maximum < thresh) logmax = -10;
else logmax = log10f(maximum);
}
if (!LADSPA_IS_HINT_HAS_DEFAULT(d)) {
deft = minimum;
} else if (LADSPA_IS_HINT_DEFAULT_MINIMUM(d)) {
// See comment for DEFAULT_MAXIMUM below
if (!LADSPA_IS_HINT_BOUNDED_BELOW(d)) {
deft = descriptor->PortRangeHints[port].LowerBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
deft *= m_sampleRate;
}
// std::cerr << "default-minimum: " << deft << std::endl;
if (deft < minimum || deft > maximum) deft = minimum;
// std::cerr << "default-minimum: " << deft << std::endl;
} else {
deft = minimum;
}
} else if (LADSPA_IS_HINT_DEFAULT_LOW(d)) {
if (logarithmic) {
deft = powf(10, logmin * 0.75 + logmax * 0.25);
} else {
deft = minimum * 0.75 + maximum * 0.25;
}
} else if (LADSPA_IS_HINT_DEFAULT_MIDDLE(d)) {
if (logarithmic) {
deft = powf(10, logmin * 0.5 + logmax * 0.5);
} else {
deft = minimum * 0.5 + maximum * 0.5;
}
} else if (LADSPA_IS_HINT_DEFAULT_HIGH(d)) {
if (logarithmic) {
deft = powf(10, logmin * 0.25 + logmax * 0.75);
} else {
deft = minimum * 0.25 + maximum * 0.75;
}
} else if (LADSPA_IS_HINT_DEFAULT_MAXIMUM(d)) {
// CMT plugins employ this grossness (setting DEFAULT_MAXIMUM
// without BOUNDED_ABOVE and then using the UPPER_BOUND as the
// port default)
if (!LADSPA_IS_HINT_BOUNDED_ABOVE(d)) {
deft = descriptor->PortRangeHints[port].UpperBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(d)) {
deft *= m_sampleRate;
}
// std::cerr << "default-maximum: " << deft << std::endl;
if (deft < minimum || deft > maximum) deft = maximum;
// std::cerr << "default-maximum: " << deft << std::endl;
} else {
deft = maximum;
}
} else if (LADSPA_IS_HINT_DEFAULT_0(d)) {
deft = 0.0;
} else if (LADSPA_IS_HINT_DEFAULT_1(d)) {
deft = 1.0;
} else if (LADSPA_IS_HINT_DEFAULT_100(d)) {
deft = 100.0;
} else if (LADSPA_IS_HINT_DEFAULT_440(d)) {
deft = 440.0;
} else {
deft = minimum;
}
// std::cerr << "port " << port << " default = "<< deft << std::endl;
return deft;
}
int
LADSPAPluginFactory::getPortDisplayHint(const LADSPA_Descriptor *descriptor, int port)
{
LADSPA_PortRangeHintDescriptor d =
descriptor->PortRangeHints[port].HintDescriptor;
int hint = PluginPort::NoHint;
if (LADSPA_IS_HINT_TOGGLED(d))
hint |= PluginPort::Toggled;
if (LADSPA_IS_HINT_INTEGER(d))
hint |= PluginPort::Integer;
if (LADSPA_IS_HINT_LOGARITHMIC(d))
hint |= PluginPort::Logarithmic;
return hint;
}
RunnablePluginInstance *
LADSPAPluginFactory::instantiatePlugin(TQString identifier,
int instrument,
int position,
unsigned int sampleRate,
unsigned int blockSize,
unsigned int channels)
{
const LADSPA_Descriptor *descriptor = getLADSPADescriptor(identifier);
if (descriptor) {
LADSPAPluginInstance *instance =
new LADSPAPluginInstance
(this, instrument, identifier, position, sampleRate, blockSize, channels,
descriptor);
m_instances.insert(instance);
return instance;
}
return 0;
}
void
LADSPAPluginFactory::releasePlugin(RunnablePluginInstance *instance,
TQString identifier)
{
if (m_instances.find(instance) == m_instances.end()) {
std::cerr << "WARNING: LADSPAPluginFactory::releasePlugin: Not one of mine!"
<< std::endl;
return ;
}
TQString type, soname, label;
PluginIdentifier::parseIdentifier(identifier, type, soname, label);
m_instances.erase(m_instances.find(instance));
bool stillInUse = false;
for (std::set
<RunnablePluginInstance *>::iterator ii = m_instances.begin();
ii != m_instances.end(); ++ii) {
TQString itype, isoname, ilabel;
PluginIdentifier::parseIdentifier((*ii)->getIdentifier(), itype, isoname, ilabel);
if (isoname == soname) {
// std::cerr << "LADSPAPluginFactory::releasePlugin: dll " << soname << " is still in use for plugin " << ilabel << std::endl;
stillInUse = true;
break;
}
}
if (!stillInUse) {
// std::cerr << "LADSPAPluginFactory::releasePlugin: dll " << soname << " no longer in use, unloading" << std::endl;
unloadLibrary(soname);
}
}
const LADSPA_Descriptor *
LADSPAPluginFactory::getLADSPADescriptor(TQString identifier)
{
TQString type, soname, label;
PluginIdentifier::parseIdentifier(identifier, type, soname, label);
if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
loadLibrary(soname);
if (m_libraryHandles.find(soname) == m_libraryHandles.end()) {
std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: loadLibrary failed for " << soname.ascii() << std::endl;
return 0;
}
}
void *libraryHandle = m_libraryHandles[soname];
LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
dlsym(libraryHandle, "ladspa_descriptor");
if (!fn) {
std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No descriptor function in library " << soname.ascii() << std::endl;
return 0;
}
const LADSPA_Descriptor *descriptor = 0;
int index = 0;
while ((descriptor = fn(index))) {
if (descriptor->Label == label)
return descriptor;
++index;
}
std::cerr << "WARNING: LADSPAPluginFactory::getLADSPADescriptor: No such plugin as " << label.ascii() << " in library " << soname.ascii() << std::endl;
return 0;
}
void
LADSPAPluginFactory::loadLibrary(TQString soName)
{
void *libraryHandle = dlopen(soName.ascii(), RTLD_NOW);
if (libraryHandle)
m_libraryHandles[soName] = libraryHandle;
}
void
LADSPAPluginFactory::unloadLibrary(TQString soName)
{
LibraryHandleMap::iterator li = m_libraryHandles.find(soName);
if (li != m_libraryHandles.end()) {
// std::cerr << "unloading " << soName << std::endl;
dlclose(m_libraryHandles[soName]);
m_libraryHandles.erase(li);
}
}
void
LADSPAPluginFactory::unloadUnusedLibraries()
{
std::vector<TQString> toUnload;
for (LibraryHandleMap::iterator i = m_libraryHandles.begin();
i != m_libraryHandles.end(); ++i) {
bool stillInUse = false;
for (std::set
<RunnablePluginInstance *>::iterator ii = m_instances.begin();
ii != m_instances.end(); ++ii) {
TQString itype, isoname, ilabel;
PluginIdentifier::parseIdentifier((*ii)->getIdentifier(), itype, isoname, ilabel);
if (isoname == i->first) {
stillInUse = true;
break;
}
}
if (!stillInUse)
toUnload.push_back(i->first);
}
for (std::vector<TQString>::iterator i = toUnload.begin();
i != toUnload.end(); ++i) {
unloadLibrary(*i);
}
}
// It is only later, after they've gone,
// I realize they have delivered a letter.
// It's a letter from my wife. "What are you doing
// there?" my wife asks. "Are you drinking?"
// I study the postmark for hours. Then it, too, begins to fade.
// I hope someday to forget all this.
std::vector<TQString>
LADSPAPluginFactory::getPluginPath()
{
std::vector<TQString> pathList;
std::string path;
char *cpath = getenv("LADSPA_PATH");
if (cpath)
path = cpath;
if (path == "") {
path = "/usr/local/lib/ladspa:/usr/lib/ladspa";
char *home = getenv("HOME");
if (home)
path = std::string(home) + "/.ladspa:" + path;
}
std::string::size_type index = 0, newindex = 0;
while ((newindex = path.find(':', index)) < path.size()) {
pathList.push_back(path.substr(index, newindex - index).c_str());
index = newindex + 1;
}
pathList.push_back(path.substr(index).c_str());
return pathList;
}
#ifdef HAVE_LIBLRDF
std::vector<TQString>
LADSPAPluginFactory::getLRDFPath(TQString &baseUri)
{
std::vector<TQString> pathList = getPluginPath();
std::vector<TQString> lrdfPaths;
lrdfPaths.push_back("/usr/local/share/ladspa/rdf");
lrdfPaths.push_back("/usr/share/ladspa/rdf");
for (std::vector<TQString>::iterator i = pathList.begin();
i != pathList.end(); ++i) {
lrdfPaths.push_back(*i + "/rdf");
}
baseUri = LADSPA_BASE;
return lrdfPaths;
}
#endif
void
LADSPAPluginFactory::discoverPlugins()
{
std::vector<TQString> pathList = getPluginPath();
std::cerr << "LADSPAPluginFactory::discoverPlugins - "
<< "discovering plugins; path is ";
for (std::vector<TQString>::iterator i = pathList.begin();
i != pathList.end(); ++i) {
std::cerr << "[" << (*i).ascii() << "] ";
}
std::cerr << std::endl;
// std::cerr << "LADSPAPluginFactory::discoverPlugins - "
// << "trace is ";
// std::cerr << kdBacktrace() << std::endl;
#ifdef HAVE_LIBLRDF
// Initialise liblrdf and read the description files
//
lrdf_init();
TQString baseUri;
std::vector<TQString> lrdfPaths = getLRDFPath(baseUri);
bool haveSomething = false;
for (size_t i = 0; i < lrdfPaths.size(); ++i) {
TQDir dir(lrdfPaths[i], "*.rdf;*.rdfs");
for (unsigned int j = 0; j < dir.count(); ++j) {
if (!lrdf_read_file(TQString("file:" + lrdfPaths[i] + "/" + dir[j]).ascii())) {
// std::cerr << "LADSPAPluginFactory: read RDF file " << (lrdfPaths[i] + "/" + dir[j]) << std::endl;
haveSomething = true;
}
}
}
if (haveSomething) {
generateTaxonomy(baseUri + "Plugin", "");
}
#endif // HAVE_LIBLRDF
generateFallbackCategories();
for (std::vector<TQString>::iterator i = pathList.begin();
i != pathList.end(); ++i) {
TQDir pluginDir(*i, "*.so");
for (unsigned int j = 0; j < pluginDir.count(); ++j) {
discoverPlugins(TQString("%1/%2").arg(*i).arg(pluginDir[j]));
}
}
#ifdef HAVE_LIBLRDF
// Cleanup after the RDF library
//
lrdf_cleanup();
#endif // HAVE_LIBLRDF
std::cerr << "LADSPAPluginFactory::discoverPlugins - done" << std::endl;
}
void
LADSPAPluginFactory::discoverPlugins(TQString soName)
{
void *libraryHandle = dlopen(soName.ascii(), RTLD_LAZY);
if (!libraryHandle) {
std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: couldn't dlopen "
<< soName.ascii() << " - " << dlerror() << std::endl;
return ;
}
LADSPA_Descriptor_Function fn = (LADSPA_Descriptor_Function)
dlsym(libraryHandle, "ladspa_descriptor");
if (!fn) {
std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins: No descriptor function in " << soName.ascii() << std::endl;
return ;
}
const LADSPA_Descriptor *descriptor = 0;
int index = 0;
while ((descriptor = fn(index))) {
#ifdef HAVE_LIBLRDF
char * def_uri = 0;
lrdf_defaults *defs = 0;
TQString category = m_taxonomy[descriptor->UniqueID];
if (category == "" && descriptor->Name != 0) {
std::string name = descriptor->Name;
if (name.length() > 4 &&
name.substr(name.length() - 4) == " VST") {
category = "VST effects";
m_taxonomy[descriptor->UniqueID] = category;
}
}
// std::cerr << "Plugin id is " << descriptor->UniqueID
// << ", category is \"" << (category ? category : TQString("(none)"))
// << "\", name is " << descriptor->Name
// << ", label is " << descriptor->Label
// << std::endl;
def_uri = lrdf_get_default_uri(descriptor->UniqueID);
if (def_uri) {
defs = lrdf_get_setting_values(def_uri);
}
int controlPortNumber = 1;
for (unsigned long i = 0; i < descriptor->PortCount; i++) {
if (LADSPA_IS_PORT_CONTROL(descriptor->PortDescriptors[i])) {
if (def_uri && defs) {
for (int j = 0; j < defs->count; j++) {
if (defs->items[j].pid == controlPortNumber) {
// std::cerr << "Default for this port (" << defs->items[j].pid << ", " << defs->items[j].label << ") is " << defs->items[j].value << "; applying this to port number " << i << " with name " << descriptor->PortNames[i] << std::endl;
m_portDefaults[descriptor->UniqueID][i] =
defs->items[j].value;
}
}
}
++controlPortNumber;
}
}
#endif // HAVE_LIBLRDF
TQString identifier = PluginIdentifier::createIdentifier
("ladspa", soName, descriptor->Label);
// std::cerr << "Added plugin identifier " << identifier << std::endl;
m_identifiers.push_back(identifier);
++index;
}
if (dlclose(libraryHandle) != 0) {
std::cerr << "WARNING: LADSPAPluginFactory::discoverPlugins - can't unload " << libraryHandle << std::endl;
return ;
}
}
void
LADSPAPluginFactory::generateFallbackCategories()
{
std::vector<TQString> pluginPath = getPluginPath();
std::vector<TQString> path;
for (size_t i = 0; i < pluginPath.size(); ++i) {
if (pluginPath[i].contains("/lib/")) {
TQString p(pluginPath[i]);
p.replace("/lib/", "/share/");
path.push_back(p);
// std::cerr << "LADSPAPluginFactory::generateFallbackCategories: path element " << p << std::endl;
}
path.push_back(pluginPath[i]);
// std::cerr << "LADSPAPluginFactory::generateFallbackCategories: path element " << pluginPath[i] << std::endl;
}
for (size_t i = 0; i < path.size(); ++i) {
TQDir dir(path[i], "*.cat");
// std::cerr << "LADSPAPluginFactory::generateFallbackCategories: directory " << path[i] << " has " << dir.count() << " .cat files" << std::endl;
for (unsigned int j = 0; j < dir.count(); ++j) {
TQFile file(path[i] + "/" + dir[j]);
// std::cerr << "LADSPAPluginFactory::generateFallbackCategories: about to open " << (path[i] + "/" + dir[j]) << std::endl;
if (file.open(IO_ReadOnly)) {
// std::cerr << "...opened" << std::endl;
TQTextStream stream(&file);
TQString line;
while (!stream.eof()) {
line = stream.readLine();
// std::cerr << "line is: \"" << line << "\"" << std::endl;
TQString id = line.section("::", 0, 0);
TQString cat = line.section("::", 1, 1);
m_fallbackCategories[id] = cat;
// std::cerr << "set id \"" << id << "\" to cat \"" << cat << "\"" << std::endl;
}
}
}
}
}
void
LADSPAPluginFactory::generateTaxonomy(TQString uri, TQString base)
{
#ifdef HAVE_LIBLRDF
lrdf_uris *uris = lrdf_get_instances(uri.ascii());
if (uris != NULL) {
for (int i = 0; i < uris->count; ++i) {
m_taxonomy[lrdf_get_uid(uris->items[i])] = base;
}
lrdf_free_uris(uris);
}
uris = lrdf_get_subclasses(uri.ascii());
if (uris != NULL) {
for (int i = 0; i < uris->count; ++i) {
char *label = lrdf_get_label(uris->items[i]);
generateTaxonomy(uris->items[i],
base + (base.length() > 0 ? " > " : "") + label);
}
lrdf_free_uris(uris);
}
#endif
}
}
#endif // HAVE_LADSPA
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