mirror of
https://github.com/robbert-vdh/yabridge.git
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Robbert van der Helm
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
// yabridge: a Wine VST bridge
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// Copyright (C) 2020 Robbert van der Helm
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#pragma once
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#include <string>
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#include <public.sdk/source/vst/hosting/module.h>
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#include "../../common/communication/vst3.h"
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#include "../../common/configuration.h"
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#include "common.h"
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/**
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* This hosts a Windows VST3 plugin, forwards messages sent by the Linux VST
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* plugin and provides host callback function for the plugin to talk back.
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*/
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class Vst3Bridge : public HostBridge {
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public:
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/**
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* Initializes the Windows VST3 plugin and set up communication with the
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* native Linux VST plugin.
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*
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* @param main_context The main IO context for this application. Most events
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* will be dispatched to this context, and the event handling loop should
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* also be run from this context.
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* @param plugin_dll_path A (Unix style) path to the VST plugin .dll file to
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* load.
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* @param endpoint_base_dir The base directory used for the socket
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* endpoints. See `Sockets` for more information.
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*
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* @note The object has to be constructed from the same thread that calls
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* `main_context.run()`.
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*
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* @throw std::runtime_error Thrown when the VST plugin could not be loaded,
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* or if communication could not be set up.
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*/
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Vst3Bridge(MainContext& main_context,
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std::string plugin_dll_path,
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std::string endpoint_base_dir);
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/**
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* Here we'll listen for and handle incoming control messages until the
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* sockets get closed.
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*/
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void run() override;
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private:
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/**
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* The IO context used for event handling so that all events and window
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* message handling can be performed from a single thread, even when hosting
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* multiple plugins.
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*/
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MainContext& main_context;
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/**
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* The configuration for this instance of yabridge based on the `.so` file
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* that got loaded by the host. This configuration gets loaded on the plugin
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* side, and then sent over to the Wine host as part of the startup process.
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*/
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Configuration config;
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std::shared_ptr<VST3::Hosting::Module> module;
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/**
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* All sockets used for communicating with this specific plugin.
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*
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* NOTE: This is defined **after** the threads on purpose. This way the
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* sockets will be closed first, and we can then safely wait for the
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* threads to exit.
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*/
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Vst3Sockets<Win32Thread> sockets;
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/**
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* A plugin factory copied from the Windows VST3 plugin during
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* initialization. The native VST3 plugin will request a copy of this
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* information during its initialization.
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*/
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std::unique_ptr<YaPluginFactory> plugin_factory;
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};
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