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4a73b01581
The bundle/dllHandle/soHandle property is private, so a getter method is needed to fetch the status of a loaded VST.
97 lines
2.5 KiB
C++
97 lines
2.5 KiB
C++
/*****************************************************************************
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Copyright (C) 2016-2017 by Colin Edwards.
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Additional Code Copyright (C) 2016-2017 by c3r1c3 <c3r1c3@nevermindonline.com>
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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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*****************************************************************************/
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#include "../headers/VSTPlugin.h"
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#include "../headers/vst-plugin-callbacks.hpp"
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#include <util/platform.h>
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#include <windows.h>
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AEffect *VSTPlugin::loadEffect()
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{
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AEffect *plugin = nullptr;
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wchar_t *wpath;
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os_utf8_to_wcs_ptr(pluginPath.c_str(), 0, &wpath);
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dllHandle = LoadLibraryW(wpath);
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bfree(wpath);
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if (dllHandle == nullptr) {
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DWORD errorCode = GetLastError();
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// Display the error message and exit the process
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if (errorCode == ERROR_BAD_EXE_FORMAT) {
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blog(LOG_WARNING, "Could not open library, "
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"wrong architecture.");
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} else {
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blog(LOG_WARNING,
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"Failed trying to load VST from '%s'"
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", error %d\n",
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pluginPath.c_str(), GetLastError());
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}
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return nullptr;
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}
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vstPluginMain mainEntryPoint =
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(vstPluginMain)GetProcAddress(dllHandle, "VSTPluginMain");
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if (mainEntryPoint == nullptr) {
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mainEntryPoint = (vstPluginMain)GetProcAddress(
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dllHandle, "VstPluginMain()");
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}
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if (mainEntryPoint == nullptr) {
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mainEntryPoint =
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(vstPluginMain)GetProcAddress(dllHandle, "main");
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}
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if (mainEntryPoint == nullptr) {
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blog(LOG_WARNING, "Couldn't get a pointer to plug-in's main()");
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return nullptr;
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}
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// Instantiate the plug-in
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try {
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plugin = mainEntryPoint(hostCallback_static);
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} catch (...) {
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blog(LOG_WARNING, "VST plugin initialization failed");
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return nullptr;
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}
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if (plugin == nullptr) {
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blog(LOG_WARNING, "Couldn't create instance for '%s'",
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pluginPath.c_str());
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return nullptr;
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}
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plugin->user = this;
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return plugin;
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}
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void VSTPlugin::unloadLibrary()
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{
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if (dllHandle) {
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FreeLibrary(dllHandle);
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dllHandle = nullptr;
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}
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}
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bool VSTPlugin::vstLoaded()
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{
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return (dllHandle != nullptr);
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}
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