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moved to vestige

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This commit is contained in:
itsmattkc
2019-01-22 03:45:31 -08:00
parent 86464b76e4
commit 8977acde31
8 changed files with 463 additions and 29 deletions
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effects/internal/vsthost.cpp
+83 -21
View File
@@ -1,6 +1,6 @@
#include "vsthost.h"
#ifdef _WIN32
#if (defined(_WIN32) || defined(__APPLE__)) && !defined(NOVST)
// adapted from http://teragonaudio.com/article/How-to-make-your-own-VST-host.html
@@ -17,10 +17,20 @@
#define BLOCK_SIZE 512
#define CHANNEL_COUNT 2
struct VSTRect {
int16_t top;
int16_t left;
int16_t bottom;
int16_t right;
};
#define effGetChunk 23
#define effSetChunk 24
// C callbacks
extern "C" {
// Main host callback
VstIntPtr VSTCALLBACK hostCallback(AEffect* effect, VstInt32 opcode, VstInt32 index, VstIntPtr value, void* ptr, float opt) {
intptr_t hostCallback(AEffect* effect, int32_t opcode, int32_t index, intptr_t value, void* ptr, float opt) {
switch(opcode) {
case audioMasterVersion:
return 2400;
@@ -44,46 +54,89 @@ extern "C" {
// Plugin's entry point
typedef AEffect *(*vstPluginFuncPtr)(audioMasterCallback host);
// Plugin's getParameter() method
typedef float (*getParameterFuncPtr)(AEffect *effect, VstInt32 index);
typedef float (*getParameterFuncPtr)(AEffect *effect, int32_t index);
// Plugin's setParameter() method
typedef void (*setParameterFuncPtr)(AEffect *effect, VstInt32 index, float value);
typedef void (*setParameterFuncPtr)(AEffect *effect, int32_t index, float value);
// Plugin's processEvents() method
typedef VstInt32 (*processEventsFuncPtr)(VstEvents *events);
typedef int32_t (*processEventsFuncPtr)(VstEvents *events);
// Plugin's process() method
typedef void (*processFuncPtr)(AEffect *effect, float **inputs, float **outputs, VstInt32 sampleFrames);
typedef void (*processFuncPtr)(AEffect *effect, float **inputs, float **outputs, int32_t sampleFrames);
void VSTHost::loadPlugin() {
QString dll_fn = file_field->get_filename(0, true);
modulePtr = LibLoad(dll_fn);
if(modulePtr == nullptr) {
DWORD dll_err = GetLastError();
qCritical() << "Failed to load VST" << dll_fn << "-" << dll_err;
#if defined(__APPLE__)
bundle = BundleLoad(dll_fn);
if (bundle == NULL) {
QMessageBox::critical(nullptr, tr("Error loading VST plugin"), tr("Failed to create VST reference"));
return;
}
vstPluginFuncPtr mainEntryPoint = NULL;
mainEntryPoint = (vstPluginFuncPtr)CFBundleGetFunctionPointerForName(bundle, CFSTR("VSTPluginMain"));
// VST plugins previous to the 2.4 SDK used main_macho for the entry point name
if(mainEntryPoint == NULL) {
mainEntryPoint = (vstPluginFuncPtr)CFBundleGetFunctionPointerForName(bundle, CFSTR("main_macho"));
}
if(mainEntryPoint == NULL) {
qCritical() << "Couldn't get a pointer to VST plugin's main()";
BundleClose(bundle);
return;
}
plugin = mainEntryPoint(hostCallback);
if(plugin == NULL) {
qCritical() << "Plugin's main() returns null";
BundleClose(bundle);
return;
}
#else
handle = LibLoad(dll_fn);
if(handle == nullptr) {
QString dll_error;
#ifdef _WIN32
QString msg_err = tr("Failed to load VST plugin \"%1\": %2").arg(dll_fn, QString::number(dll_err));
if (dll_err == 193) {
DWORD dll_err = GetLastError();
dll_error = QString::number(dll_err);
#elif __linux__
dll_error = dlerror();
#endif
qCritical() << "Failed to load VST plugin" << dll_fn << "-" << dll_error;
QString msg_err = tr("Failed to load VST plugin \"%1\": %2").arg(dll_fn, dll_error);
#ifdef _WIN32
if (dll_err == 193) {
#ifdef _WIN64
msg_err += "\n\n" + tr("NOTE: You can't load 32-bit VST plugins into a 64-bit build of Olive. Please find a 64-bit version of this plugin or switch to a 32-bit build of Olive.");
msg_err += "\n\n" + tr("NOTE: You can't load 32-bit VST plugins into a 64-bit build of Olive. Please find a 64-bit version of this plugin or switch to a 32-bit build of Olive.");
#elif _WIN32
msg_err += "\n\n" + tr("NOTE: You can't load 64-bit VST plugins into a 32-bit build of Olive. Please find a 32-bit version of this plugin or switch to a 64-bit build of Olive.");
msg_err += "\n\n" + tr("NOTE: You can't load 64-bit VST plugins into a 32-bit build of Olive. Please find a 32-bit version of this plugin or switch to a 64-bit build of Olive.");
#endif
}
#endif
}
QMessageBox::critical(mainWindow, tr("Error loading VST plugin"), msg_err);
return;
}
QMessageBox::critical(nullptr, tr("Error loading VST plugin"), msg_err);
return;
}
vstPluginFuncPtr mainEntryPoint =
reinterpret_cast<vstPluginFuncPtr>(LibAddress(modulePtr, "VSTPluginMain"));
// Instantiate the plugin
plugin = mainEntryPoint(hostCallback);
#endif
}
void VSTHost::freePlugin() {
if (plugin != nullptr) {
stopPlugin();
#if defined(__APPLE__)
CFBundleUnloadExecutable(bundle);
CFRelease(bundle);
#else
LibClose(modulePtr);
#endif
plugin = nullptr;
}
}
@@ -225,7 +278,7 @@ void VSTHost::custom_load(QXmlStreamReader &stream) {
stream.readNext();
QByteArray b = QByteArray::fromBase64(stream.text().toUtf8());
if (plugin != nullptr) {
dispatcher(plugin, effSetChunk, 0, VstInt32(b.size()), static_cast<void*>(b.data()), 0);
dispatcher(plugin, effSetChunk, 0, int32_t(b.size()), static_cast<void*>(b.data()), 0);
}
}
}
@@ -234,7 +287,7 @@ void VSTHost::save(QXmlStreamWriter &stream) {
Effect::save(stream);
if (plugin != nullptr) {
char* p = nullptr;
VstInt32 length = VstInt32(dispatcher(plugin, effGetChunk, 0, 0, &p, 0));
int32_t length = int32_t(dispatcher(plugin, effGetChunk, 0, 0, &p, 0));
QByteArray b(p, length);
stream.writeTextElement("plugindata", b.toBase64());
}
@@ -254,13 +307,22 @@ void VSTHost::change_plugin() {
if (plugin != nullptr) {
if (configurePluginCallbacks()) {
startPlugin();
#ifdef __WIN32
dispatcher(plugin, effEditOpen, 0, 0, reinterpret_cast<HWND>(dialog->winId()), 0);
ERect* eRect = nullptr;
#elif __APPLE__
dispatcher(plugin, effEditOpen, 0, 0, reinterpret_cast<NSWindow*>(dialog->winId()), 0);
#endif
VSTRect* eRect = nullptr;
plugin->dispatcher(plugin, effEditGetRect, 0, 0, &eRect, 0);
dialog->setFixedWidth(eRect->right);
dialog->setFixedHeight(eRect->bottom);
} else {
#ifdef __APPLE__
CFBundleUnloadExecutable(bundle);
CFRelease(bundle);
#else
LibClose(modulePtr);
#endif
plugin = nullptr;
}
}