4a73b01581
The bundle/dllHandle/soHandle property is private, so a getter method is needed to fetch the status of a loaded VST.
94 lines
2.5 KiB
Text
94 lines
2.5 KiB
Text
/*****************************************************************************
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Copyright (C) 2016-2017 by Colin Edwards.
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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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AEffect *VSTPlugin::loadEffect()
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{
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AEffect *newEffect = NULL;
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// Create a path to the bundle
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CFStringRef pluginPathStringRef = CFStringCreateWithCString(
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NULL, pluginPath.c_str(), kCFStringEncodingUTF8);
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CFURLRef bundleUrl = CFURLCreateWithFileSystemPath(kCFAllocatorDefault,
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pluginPathStringRef,
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kCFURLPOSIXPathStyle,
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true);
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if (bundleUrl == NULL) {
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blog(LOG_WARNING,
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"Couldn't make URL reference for VST plug-in");
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return NULL;
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}
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// Open the bundle
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bundle = CFBundleCreate(kCFAllocatorDefault, bundleUrl);
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if (bundle == NULL) {
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blog(LOG_WARNING, "Couldn't create VST bundle reference.");
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CFRelease(pluginPathStringRef);
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CFRelease(bundleUrl);
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return NULL;
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}
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vstPluginMain mainEntryPoint = NULL;
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mainEntryPoint = (vstPluginMain)CFBundleGetFunctionPointerForName(
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bundle, CFSTR("VSTPluginMain"));
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// VST plugins previous to the 2.4 SDK used main_macho for the
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// entry point name.
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if (mainEntryPoint == NULL) {
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mainEntryPoint =
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(vstPluginMain)CFBundleGetFunctionPointerForName(
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bundle, CFSTR("main_macho"));
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}
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if (mainEntryPoint == NULL) {
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blog(LOG_WARNING, "Couldn't get a pointer to plug-in's main()");
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CFRelease(bundle);
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bundle = NULL;
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return NULL;
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}
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newEffect = mainEntryPoint(hostCallback_static);
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if (newEffect == NULL) {
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blog(LOG_WARNING, "VST Plug-in's main() returns null.");
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CFRelease(bundle);
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bundle = NULL;
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return NULL;
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}
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newEffect->user = this;
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// Clean up
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CFRelease(pluginPathStringRef);
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CFRelease(bundleUrl);
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return newEffect;
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}
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void VSTPlugin::unloadLibrary()
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{
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if (bundle) {
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CFRelease(bundle);
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bundle = NULL;
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}
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}
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bool VSTPlugin::vstLoaded()
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{
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return (bundle != NULL);
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}
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