mirror of
https://github.com/robbert-vdh/yabridge.git
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Robbert van der Helm
63 lines
2.4 KiB
C++
63 lines
2.4 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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#include <vestige/aeffectx.h>
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#include <iostream>
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#include <memory>
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#include "../common/logging/common.h"
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#include "bridges/vst2.h"
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#define VST_EXPORT __attribute__((visibility("default")))
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// The main entry point for VST2 plugins should be called `VSTPluginMain``. The
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// other one exist for legacy reasons since some old hosts might still use them.
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// There's also another possible legacy entry point just called `main`, but GCC
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// will refuse to compile a function called `main` that's not a regular C++ main
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// function.
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/**
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* The main VST2 plugin entry point. We first set up a bridge that connects to a
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* Wine process that hosts the Windows VST2 plugin. We then create and return a
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* VST plugin struct that acts as a passthrough to the bridge.
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*
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* To keep this somewhat contained this is the only place where we're doing
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* manual memory management. Clean up is done when we receive the `effClose`
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* opcode from the VST2 host (i.e. opcode 1).`
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*/
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extern "C" VST_EXPORT AEffect* VSTPluginMain(
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audioMasterCallback host_callback) {
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try {
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// This is the only place where we have to use manual memory management.
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// The bridge's destructor is called when the `effClose` opcode is
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// received.
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Vst2PluginBridge* bridge = new Vst2PluginBridge(host_callback);
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return &bridge->plugin;
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} catch (const std::exception& error) {
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Logger logger = Logger::create_from_environment();
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logger.log("Error during initialization:");
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logger.log(error.what());
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return nullptr;
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}
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}
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extern "C" VST_EXPORT AEffect* main_plugin(audioMasterCallback audioMaster) {
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return VSTPluginMain(audioMaster);
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}
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