Files
obs-studio/plugins/obs-vst/linux/VSTPlugin-linux.cpp
PatTheMav 4a73b01581 obs-vst: Add public function to check for load state of VST
The bundle/dllHandle/soHandle property is private, so a getter method
is needed to fetch the status of a loaded VST.
2022-09-21 11:05:01 -04:00

71 lines
1.9 KiB
C++

/*****************************************************************************
Copyright (C) 2016-2017 by Colin Edwards.
Additional Code Copyright (C) 2016-2017 by c3r1c3 <c3r1c3@nevermindonline.com>
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. If not, see <http://www.gnu.org/licenses/>.
*****************************************************************************/
#include "../headers/VSTPlugin.h"
#include <util/platform.h>
AEffect *VSTPlugin::loadEffect()
{
AEffect *plugin = nullptr;
soHandle = os_dlopen(pluginPath.c_str());
if (soHandle == nullptr) {
blog(LOG_WARNING,
"Failed trying to load VST from '%s',"
"error %d\n",
pluginPath.c_str(), errno);
return nullptr;
}
vstPluginMain mainEntryPoint;
mainEntryPoint = (vstPluginMain)os_dlsym(soHandle, "VSTPluginMain");
if (mainEntryPoint == nullptr) {
mainEntryPoint =
(vstPluginMain)os_dlsym(soHandle, "VstPluginMain()");
}
if (mainEntryPoint == nullptr) {
mainEntryPoint = (vstPluginMain)os_dlsym(soHandle, "main");
}
if (mainEntryPoint == nullptr) {
blog(LOG_WARNING, "Couldn't get a pointer to plug-in's main()");
return nullptr;
}
// Instantiate the plug-in
plugin = mainEntryPoint(hostCallback_static);
plugin->user = this;
return plugin;
}
void VSTPlugin::unloadLibrary()
{
if (soHandle) {
os_dlclose(soHandle);
soHandle = nullptr;
}
}
bool VSTPlugin::vstLoaded()
{
return (soHandle != nullptr);
}