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/* -----------------------------------------------------------------------------
*
* Giada - Your Hardcore Loopmachine
*
* -----------------------------------------------------------------------------
*
* Copyright (C) 2010-2020 Giovanni A. Zuliani | Monocasual
*
* This file is part of Giada - Your Hardcore Loopmachine.
*
* Giada - Your Hardcore Loopmachine 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 3 of the License, or (at your option) any later version.
*
* Giada - Your Hardcore Loopmachine is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Giada - Your Hardcore Loopmachine. If not, see
* <http://www.gnu.org/licenses/>.
*
* -------------------------------------------------------------------------- */
#ifdef WITH_VST
#include <cassert>
#include "utils/log.h"
#include "utils/fs.h"
#include "utils/string.h"
#include "core/const.h"
#include "core/idManager.h"
#include "core/patch.h"
#include "core/conf.h"
#include "core/plugin.h"
#include "pluginManager.h"
namespace giada {
namespace m {
namespace pluginManager
{
namespace
{
IdManager pluginId_;
int samplerate_;
int buffersize_;
/* pluginFormat
Plugin format manager. */
juce::VSTPluginFormat pluginFormat_;
/* knownPuginList
List of known (i.e. scanned) plugins. */
juce::KnownPluginList knownPluginList_;
/* unknownPluginList
List of unrecognized plugins found in a patch. */
std::vector<std::string> unknownPluginList_;
/* missingPlugins
If some plugins from any stack are missing. */
bool missingPlugins_;
std::vector<std::string> splitPluginDescription_(const std::string& descr)
{
// input: VST-mda-Ambience-18fae2d2-6d646141 string
// output: [2-------------] [1-----] [0-----] vector.size() == 3
std::vector<std::string> out;
std::string chunk = "";
int count = 2;
for (int i=descr.length()-1; i >= 0; i--) {
if (descr[i] == '-' && count != 0) {
out.push_back(chunk);
count--;
chunk = "";
}
else
chunk += descr[i];
}
out.push_back(chunk);
return out;
}
/* findPluginDescription
Browses the list of known plug-ins until plug-in with id == 'id' is found.
Unfortunately knownPluginList_.getTypeForIdentifierString(id) doesn't work for
VSTs: their ID is based on the plug-in file location. E.g.:
/home/vst/mdaAmbience.so -> VST-mdaAmbience-18fae2d2-6d646141
/home/vst-test/mdaAmbience.so -> VST-mdaAmbience-b328b2f6-6d646141
The following function simply drops the first hash code during comparison. */
std::unique_ptr<juce::PluginDescription> findPluginDescription_(const std::string& id)
{
std::vector<std::string> idParts = splitPluginDescription_(id);
for (auto pd : knownPluginList_) {
std::vector<std::string> tmpIdParts = splitPluginDescription_(pd->createIdentifierString().toStdString());
if (idParts[0] == tmpIdParts[0] && idParts[2] == tmpIdParts[2])
return std::unique_ptr<juce::PluginDescription> (pd);
}
return nullptr;
}
}; // {anonymous}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
void init(int samplerate, int buffersize)
{
pluginId_ = IdManager();
samplerate_ = samplerate;
buffersize_ = buffersize;
missingPlugins_ = false;
unknownPluginList_.clear();
loadList(u::fs::getHomePath() + G_SLASH + "plugins.xml");
sortPlugins(static_cast<pluginManager::SortMethod>(conf::conf.pluginSortMethod));
}
/* -------------------------------------------------------------------------- */
int scanDirs(const std::string& dirs, const std::function<void(float)>& cb)
{
u::log::print("[pluginManager::scanDir] requested directories: '%s'\n", dirs.c_str());
u::log::print("[pluginManager::scanDir] current plugins: %d\n", knownPluginList_.getNumTypes());
knownPluginList_.clear(); // clear up previous plugins
std::vector<std::string> dirVec = u::string::split(dirs, ";");
juce::VSTPluginFormat format;
juce::FileSearchPath searchPath;
for (const std::string& dir : dirVec)
searchPath.add(juce::File(dir));
juce::PluginDirectoryScanner scanner(knownPluginList_, format, searchPath,
/*recursive=*/true, juce::File());
juce::String name;
while (scanner.scanNextFile(false, name)) {
u::log::print("[pluginManager::scanDir] scanning '%s'\n", name.toRawUTF8());
cb(scanner.getProgress());
}
u::log::print("[pluginManager::scanDir] %d plugin(s) found\n", knownPluginList_.getNumTypes());
return knownPluginList_.getNumTypes();
}
/* -------------------------------------------------------------------------- */
int saveList(const std::string& filepath)
{
int out = knownPluginList_.createXml()->writeToFile(juce::File(filepath), "");
if (!out)
u::log::print("[pluginManager::saveList] unable to save plugin list to %s\n", filepath.c_str());
return out;
}
/* -------------------------------------------------------------------------- */
int loadList(const std::string& filepath)
{
auto elem(juce::XmlDocument::parse(juce::File(filepath)));
if (elem == nullptr)
return 0;
knownPluginList_.recreateFromXml(*elem);
return 1;
}
/* -------------------------------------------------------------------------- */
std::unique_ptr<Plugin> makePlugin(const std::string& fid, ID id)
{
/* Plug-in ID generator is updated anyway, as we store Plugin objects also
if they are in an invalid state. */
pluginId_.set(id);
auto pd = findPluginDescription_(fid);
if (pd == nullptr) {
u::log::print("[pluginManager::makePlugin] no plugin found with fid=%s!\n", fid.c_str());
missingPlugins_ = true;
unknownPluginList_.push_back(fid);
return std::make_unique<Plugin>(pluginId_.get(id), fid); // Invalid plug-in
}
auto pi = pluginFormat_.createInstanceFromDescription(*pd, samplerate_, buffersize_);
if (pi == nullptr) {
u::log::print("[pluginManager::makePlugin] unable to create instance with fid=%s!\n", fid.c_str());
missingPlugins_ = true;
unknownPluginList_.push_back(fid);
return std::make_unique<Plugin>(pluginId_.get(id), fid); // Invalid plug-in
}
u::log::print("[pluginManager::makePlugin] plugin instance with fid=%s created\n", fid.c_str());
return std::make_unique<Plugin>(pluginId_.get(id), std::move(pi), samplerate_, buffersize_);
}
/* -------------------------------------------------------------------------- */
std::unique_ptr<Plugin> makePlugin(int index)
{
juce::PluginDescription* pd = knownPluginList_.getType(index);
if (pd == nullptr)
return {};
u::log::print("[pluginManager::makePlugin] plugin found, uid=%s, name=%s...\n",
pd->createIdentifierString().toRawUTF8(), pd->name.toRawUTF8());
return makePlugin(pd->createIdentifierString().toStdString());
}
/* -------------------------------------------------------------------------- */
std::unique_ptr<Plugin> makePlugin(const Plugin& src)
{
std::unique_ptr<Plugin> p = makePlugin(src.getUniqueId());
for (int i=0; i<src.getNumParameters(); i++)
p->setParameter(i, src.getParameter(i));
return p;
}
/* -------------------------------------------------------------------------- */
const patch::Plugin serializePlugin(const Plugin& p)
{
patch::Plugin pp;
pp.id = p.id;
pp.path = p.getUniqueId();
pp.bypass = p.isBypassed();
for (int i = 0; i < p.getNumParameters(); i++)
pp.params.push_back(p.getParameter(i));
for (uint32_t param : p.midiInParams)
pp.midiInParams.push_back(param);
return pp;
}
/* -------------------------------------------------------------------------- */
std::unique_ptr<Plugin> deserializePlugin(const patch::Plugin& p)
{
std::unique_ptr<Plugin> plugin = makePlugin(p.path, p.id);
if (!plugin->valid)
return plugin; // Return invalid version
/* Fill plug-in parameters. */
plugin->setBypass(p.bypass);
for (unsigned j=0; j<p.params.size(); j++)
plugin->setParameter(j, p.params.at(j));
/* Fill plug-in MidiIn parameters. Don't fill Channel::midiInParam if
Plugin::midiInParams are zero: it would wipe out the current default 0x0
values. */
if (!p.midiInParams.empty()) {
plugin->midiInParams.clear();
for (uint32_t midiInParam : p.midiInParams)
plugin->midiInParams.emplace_back(midiInParam);
}
return plugin;
}
/* -------------------------------------------------------------------------- */
int countAvailablePlugins()
{
return knownPluginList_.getNumTypes();
}
/* -------------------------------------------------------------------------- */
unsigned countUnknownPlugins()
{
return unknownPluginList_.size();
}
/* -------------------------------------------------------------------------- */
PluginInfo getAvailablePluginInfo(int i)
{
juce::PluginDescription* pd = knownPluginList_.getType(i);
PluginInfo pi;
pi.uid = pd->fileOrIdentifier.toStdString();
pi.name = pd->name.toStdString();
pi.category = pd->category.toStdString();
pi.manufacturerName = pd->manufacturerName.toStdString();
pi.format = pd->pluginFormatName.toStdString();
pi.isInstrument = pd->isInstrument;
return pi;
}
/* -------------------------------------------------------------------------- */
bool hasMissingPlugins()
{
return missingPlugins_;
};
/* -------------------------------------------------------------------------- */
std::string getUnknownPluginInfo(int i)
{
return unknownPluginList_.at(i);
}
/* -------------------------------------------------------------------------- */
bool doesPluginExist(const std::string& fid)
{
return pluginFormat_.doesPluginStillExist(*knownPluginList_.getTypeForFile(fid));
}
/* -------------------------------------------------------------------------- */
void sortPlugins(SortMethod method)
{
switch (method) {
case SortMethod::NAME:
knownPluginList_.sort(juce::KnownPluginList::SortMethod::sortAlphabetically, true);
break;
case SortMethod::CATEGORY:
knownPluginList_.sort(juce::KnownPluginList::SortMethod::sortByCategory, true);
break;
case SortMethod::MANUFACTURER:
knownPluginList_.sort(juce::KnownPluginList::SortMethod::sortByManufacturer, true);
break;
case SortMethod::FORMAT:
knownPluginList_.sort(juce::KnownPluginList::SortMethod::sortByFormat, true);
break;
}
}
}}}; // giada::m::pluginManager::
#endif // #ifdef WITH_VST
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