mirror of
https://github.com/LMMS/lmms.git
synced 2026-01-04 12:38:02 -05:00
113 lines
3.1 KiB
C++
113 lines
3.1 KiB
C++
/*
|
|
* Lv2Options.h - Lv2Options class
|
|
*
|
|
* Copyright (c) 2020-2020 Johannes Lorenz <jlsf2013$users.sourceforge.net, $=@>
|
|
*
|
|
* This file is part of LMMS - https://lmms.io
|
|
*
|
|
* 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.
|
|
*
|
|
* This program 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 this program (see COPYING); if not, write to the
|
|
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
* Boston, MA 02110-1301 USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef LMMS_LV2_OPTIONS_H
|
|
#define LMMS_LV2_OPTIONS_H
|
|
|
|
#include "lmmsconfig.h"
|
|
|
|
#ifdef LMMS_HAVE_LV2
|
|
|
|
#include <cstdint>
|
|
#include <lv2/options/options.h>
|
|
#include <lv2/urid/urid.h>
|
|
#include <map>
|
|
#include <memory>
|
|
#include <set>
|
|
#include <vector>
|
|
|
|
#include "Engine.h"
|
|
#include "Lv2Manager.h"
|
|
#include "Lv2UridCache.h"
|
|
|
|
namespace lmms
|
|
{
|
|
|
|
/**
|
|
Option container
|
|
|
|
References all available options for a plugin and maps them to their URIDs.
|
|
This class is used per Lv2 processor (justification in Lv2Proc::initMOptions())
|
|
|
|
The public member functions should be called in descending order:
|
|
|
|
1. supportOption: set all supported option URIDs
|
|
2. initOption: initialize options with values
|
|
3. createOptionVectors: create the option vectors required for
|
|
the feature
|
|
4. access the latter using feature()
|
|
*/
|
|
class Lv2Options
|
|
{
|
|
public:
|
|
//! Return if an option is supported by LMMS
|
|
static bool isOptionSupported(LV2_URID key);
|
|
//! Mark option as supported
|
|
static void supportOption(LV2_URID key);
|
|
|
|
//! Initialize an option
|
|
template<typename Opt, typename Arg>
|
|
void initOption(Lv2UridCache::Id key, Arg&& value,
|
|
LV2_Options_Context context = LV2_OPTIONS_INSTANCE,
|
|
std::uint32_t subject = 0)
|
|
{
|
|
const Lv2UridCache& cache = Engine::getLv2Manager()->uridCache();
|
|
initOption(cache[key], sizeof(Opt), cache[Lv2UridCache::IdForType<Opt>::value],
|
|
std::make_shared<Opt>(std::forward<Arg>(value)), context, subject);
|
|
}
|
|
//! Fill m_options and m_optionPointers with all options
|
|
void createOptionVectors();
|
|
//! Return the feature
|
|
const LV2_Options_Option* feature() const
|
|
{
|
|
return m_options.data();
|
|
}
|
|
|
|
void clear();
|
|
|
|
private:
|
|
//! Initialize an option internally
|
|
void initOption(LV2_URID key,
|
|
uint32_t size,
|
|
LV2_URID type,
|
|
std::shared_ptr<void> value,
|
|
LV2_Options_Context context = LV2_OPTIONS_INSTANCE,
|
|
uint32_t subject = 0);
|
|
//! options that are supported by every processor
|
|
static std::set<LV2_URID> s_supportedOptions;
|
|
//! options + data, ordered by URID
|
|
std::map<LV2_URID, LV2_Options_Option> m_optionByUrid;
|
|
//! option storage
|
|
std::vector<LV2_Options_Option> m_options;
|
|
//! option value storage
|
|
std::map<LV2_URID, std::shared_ptr<void>> m_optionValues;
|
|
};
|
|
|
|
|
|
} // namespace lmms
|
|
|
|
#endif // LMMS_HAVE_LV2
|
|
|
|
#endif // LMMS_LV2_OPTIONS_H
|