Cardinal/src/CardinalPlugin.cpp
falkTX e920e18f1f
Fix initial scroll position for new projects
Signed-off-by: falkTX <falktx@falktx.com>
2021-10-29 19:53:59 +01:00

879 lines
28 KiB
C++

/*
* DISTRHO Cardinal Plugin
* Copyright (C) 2021 Filipe Coelho <falktx@falktx.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 3 of
* the License, or 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.
*
* For a full copy of the GNU General Public License see the LICENSE file.
*/
#include <asset.hpp>
#include <library.hpp>
#include <midi.hpp>
#include <patch.hpp>
#include <plugin.hpp>
#include <random.hpp>
#include <settings.hpp>
#include <system.hpp>
#include <app/Scene.hpp>
#include <engine/Engine.hpp>
#include <ui/common.hpp>
#include <window/Window.hpp>
#ifdef NDEBUG
# undef DEBUG
#endif
#ifdef HAVE_LIBLO
# include <lo/lo.h>
# include "extra/Thread.hpp"
#endif
#include <list>
#include "DistrhoPluginUtils.hpp"
#include "PluginDriver.hpp"
#include "WindowParameters.hpp"
#include "extra/Base64.hpp"
#include "extra/SharedResourcePointer.hpp"
#define REMOTE_HOST_PORT "2228"
namespace rack {
namespace plugin {
void initStaticPlugins();
void destroyStaticPlugins();
}
#if defined(__MOD_DEVICES__) && !defined(HEADLESS)
namespace window {
void WindowInit(Window* window, DISTRHO_NAMESPACE::Plugin* plugin);
}
#endif
}
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------------------------------------------
struct Initializer
#ifdef HAVE_LIBLO
: public Thread
#endif
{
#ifdef HAVE_LIBLO
lo_server oscServer = nullptr;
CardinalBasePlugin* oscPlugin = nullptr;
#endif
std::string templatePath;
Initializer(const CardinalBasePlugin* const plugin)
{
using namespace rack;
settings::allowCursorLock = false;
settings::autoCheckUpdates = false;
settings::autosaveInterval = 0;
settings::devMode = true;
settings::discordUpdateActivity = false;
settings::isPlugin = true;
settings::skipLoadOnLaunch = true;
settings::showTipsOnLaunch = false;
settings::windowPos = math::Vec(0, 0);
#ifdef HEADLESS
settings::headless = true;
#endif
#ifdef __MOD_DEVICES__
settings::threadCount = 3;
#else
settings::threadCount = 1;
#endif
system::init();
logger::init();
random::init();
ui::init();
if (asset::systemDir.empty())
{
if (const char* const bundlePath = plugin->getBundlePath())
{
if (const char* const resourcePath = getResourcePath(bundlePath))
{
asset::bundlePath = system::join(resourcePath, "PluginManifests");
asset::systemDir = resourcePath;
templatePath = system::join(asset::systemDir, "template.vcv");
}
}
if (asset::systemDir.empty())
{
#ifdef CARDINAL_PLUGIN_SOURCE_DIR
// Make system dir point to source code location as fallback
asset::systemDir = CARDINAL_PLUGIN_SOURCE_DIR DISTRHO_OS_SEP_STR "Rack";
if (system::exists(system::join(asset::systemDir, "res")))
{
templatePath = CARDINAL_PLUGIN_SOURCE_DIR DISTRHO_OS_SEP_STR "template.vcv";
}
else
// If source code dir does not exist use install target prefix as system dir
#endif
{
asset::bundlePath = CARDINAL_PLUGIN_PREFIX "/share/Cardinal/PluginManifests";
asset::systemDir = CARDINAL_PLUGIN_PREFIX "/share/Cardinal";
templatePath = system::join(asset::systemDir, "template.vcv");
}
}
asset::userDir = asset::systemDir;
}
// Log environment
INFO("%s %s v%s", APP_NAME.c_str(), APP_EDITION.c_str(), APP_VERSION.c_str());
INFO("%s", system::getOperatingSystemInfo().c_str());
INFO("Binary filename: %s", getBinaryFilename());
INFO("Bundle path: %s", plugin->getBundlePath());
INFO("System directory: %s", asset::systemDir.c_str());
INFO("User directory: %s", asset::userDir.c_str());
INFO("Template patch: %s", templatePath.c_str());
// Check existence of the system res/ directory
if (! system::exists(asset::systemDir))
{
d_stderr2("System directory \"%s\" does not exist.\n"
"Make sure Cardinal was downloaded and installed correctly.", asset::systemDir.c_str());
}
INFO("Initializing audio driver");
rack::audio::addDriver(0, new CardinalAudioDriver);
INFO("Initializing midi driver");
rack::midi::addDriver(0, new CardinalMidiDriver);
INFO("Initializing plugins");
plugin::initStaticPlugins();
#ifdef HAVE_LIBLO
INFO("Initializing OSC Remote control");
oscServer = lo_server_new_with_proto(REMOTE_HOST_PORT, LO_UDP, osc_error_handler);
DISTRHO_SAFE_ASSERT_RETURN(oscServer != nullptr,);
lo_server_add_method(oscServer, "/hello", "", osc_hello_handler, this);
lo_server_add_method(oscServer, "/load", "b", osc_load_handler, this);
lo_server_add_method(oscServer, nullptr, nullptr, osc_fallback_handler, nullptr);
startThread();
#else
INFO("OSC Remote control is not enabled in this build");
#endif
}
~Initializer()
{
using namespace rack;
#ifdef HAVE_LIBLO
if (oscServer != nullptr)
{
stopThread(5000);
lo_server_del_method(oscServer, nullptr, nullptr);
lo_server_free(oscServer);
oscServer = nullptr;
}
#endif
INFO("Clearing asset paths");
asset::bundlePath.clear();
asset::systemDir.clear();
asset::userDir.clear();
INFO("Destroying plugins");
plugin::destroyStaticPlugins();
INFO("Destroying MIDI devices");
midi::destroy();
INFO("Destroying audio devices");
audio::destroy();
INFO("Destroying logger");
logger::destroy();
}
#ifdef HAVE_LIBLO
void run() override
{
INFO("OSC Thread Listening for remote commands");
while (! shouldThreadExit())
{
d_msleep(200);
while (lo_server_recv_noblock(oscServer, 0) != 0) {}
}
INFO("OSC Thread Closed");
}
static void osc_error_handler(int num, const char* msg, const char* path)
{
d_stderr("Cardinal OSC Error: code: %i, msg: \"%s\", path: \"%s\")", num, msg, path);
}
static int osc_fallback_handler(const char* const path, const char* const types, lo_arg**, int, lo_message, void*)
{
d_stderr("Cardinal OSC unhandled message \"%s\" with types \"%s\"", path, types);
return 0;
}
static int osc_hello_handler(const char*, const char*, lo_arg**, int, const lo_message m, void* const self)
{
d_stdout("osc_hello_handler()");
const lo_address source = lo_message_get_source(m);
lo_send_from(source, static_cast<Initializer*>(self)->oscServer, LO_TT_IMMEDIATE, "/resp", "ss", "hello", "ok");
return 0;
}
static int osc_load_handler(const char*, const char* types, lo_arg** argv, int argc, const lo_message m, void* const self)
{
d_stdout("osc_load_handler()");
DISTRHO_SAFE_ASSERT_RETURN(argc == 1, 0);
DISTRHO_SAFE_ASSERT_RETURN(types != nullptr && types[0] == 'b', 0);
const int32_t size = argv[0]->blob.size;
DISTRHO_SAFE_ASSERT_RETURN(size > 4, 0);
const uint8_t* const blob = (uint8_t*)(&argv[0]->blob.data);
DISTRHO_SAFE_ASSERT_RETURN(blob != nullptr, 0);
bool ok = false;
if (CardinalBasePlugin* const plugin = static_cast<Initializer*>(self)->oscPlugin)
{
CardinalPluginContext* const context = plugin->context;
std::vector<uint8_t> data(size);
std::memcpy(data.data(), blob, size);
rack::contextSet(context);
rack::system::removeRecursively(context->patch->autosavePath);
rack::system::createDirectories(context->patch->autosavePath);
try {
rack::system::unarchiveToDirectory(data, context->patch->autosavePath);
context->patch->loadAutosave();
ok = true;
}
catch (rack::Exception& e) {
WARN("%s", e.what());
}
rack::contextSet(nullptr);
}
const lo_address source = lo_message_get_source(m);
lo_send_from(source, static_cast<Initializer*>(self)->oscServer,
LO_TT_IMMEDIATE, "/resp", "ss", "load", ok ? "ok" : "fail");
return 0;
}
#endif
};
// -----------------------------------------------------------------------------------------------------------
struct ScopedContext {
ScopedContext(const CardinalBasePlugin* const plugin)
{
rack::contextSet(plugin->context);
}
~ScopedContext()
{
rack::contextSet(nullptr);
}
};
// -----------------------------------------------------------------------------------------------------------
class CardinalPlugin : public CardinalBasePlugin
{
SharedResourcePointer<Initializer> fInitializer;
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
float* fAudioBufferIn;
#endif
float* fAudioBufferOut;
std::string fAutosavePath;
String fWindowSize;
// for base/context handling
bool fIsActive;
CardinalAudioDevice* fCurrentAudioDevice;
CardinalMidiOutputDevice* fCurrentMidiOutput;
std::list<CardinalMidiInputDevice*> fMidiInputs;
Mutex fDeviceMutex;
// real values, not VCV interpreted ones
float fWindowParameters[kWindowParameterCount];
public:
CardinalPlugin()
: CardinalBasePlugin(kModuleParameters + kWindowParameterCount, 0, 2),
fInitializer(this),
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
fAudioBufferIn(nullptr),
#endif
fAudioBufferOut(nullptr),
fIsActive(false),
fCurrentAudioDevice(nullptr),
fCurrentMidiOutput(nullptr)
{
fWindowParameters[kWindowParameterShowTooltips] = 1.0f;
fWindowParameters[kWindowParameterCableOpacity] = 50.0f;
fWindowParameters[kWindowParameterCableTension] = 50.0f;
fWindowParameters[kWindowParameterRackBrightness] = 100.0f;
fWindowParameters[kWindowParameterHaloBrightness] = 25.0f;
fWindowParameters[kWindowParameterKnobMode] = 0.0f;
fWindowParameters[kWindowParameterWheelKnobControl] = 0.0f;
fWindowParameters[kWindowParameterWheelSensitivity] = 1.0f;
fWindowParameters[kWindowParameterLockModulePositions] = 0.0f;
// create unique temporary path for this instance
try {
char uidBuf[24];
const std::string tmp = rack::system::getTempDirectory();
for (int i=1;; ++i)
{
std::snprintf(uidBuf, sizeof(uidBuf), "Cardinal.%04d", i);
const std::string trypath = rack::system::join(tmp, uidBuf);
if (! rack::system::exists(trypath))
{
if (rack::system::createDirectories(trypath))
fAutosavePath = trypath;
break;
}
}
} DISTRHO_SAFE_EXCEPTION("create unique temporary path");
const ScopedContext sc(this);
context->engine = new rack::engine::Engine;
context->history = new rack::history::State;
context->patch = new rack::patch::Manager;
context->patch->autosavePath = fAutosavePath;
context->patch->templatePath = fInitializer->templatePath;
context->event = new rack::widget::EventState;
context->scene = new rack::app::Scene;
context->event->rootWidget = context->scene;
context->patch->loadTemplate();
context->scene->rackScroll->reset();
context->engine->startFallbackThread();
#ifdef HAVE_LIBLO
fInitializer->oscPlugin = this;
#endif
#if defined(__MOD_DEVICES__) && !defined(HEADLESS)
context->window = new rack::window::Window;
rack::window::WindowInit(context->window, this);
/*
context->scene->removeChild(context->scene->menuBar);
context->scene->menuBar = rack::app::createMenuBar(getWindow(), getApp().isStandalone());
context->scene->addChildBelow(context->scene->menuBar, context->scene->rackScroll);
*/
#endif
}
~CardinalPlugin() override
{
#ifdef HAVE_LIBLO
fInitializer->oscPlugin = nullptr;
#endif
rack::contextSet(context);
#if defined(__MOD_DEVICES__) && !defined(HEADLESS)
delete context->window;
context->window = nullptr;
#endif
delete context;
rack::contextSet(nullptr);
if (! fAutosavePath.empty())
rack::system::removeRecursively(fAutosavePath);
}
CardinalPluginContext* getRackContext() const noexcept
{
return context;
}
protected:
/* --------------------------------------------------------------------------------------------------------
* Cardinal Base things */
bool isActive() const noexcept override
{
return fIsActive;
}
bool canAssignAudioDevice() const noexcept override
{
const MutexLocker cml(fDeviceMutex);
return fCurrentAudioDevice == nullptr;
}
bool canAssignMidiOutputDevice() const noexcept override
{
const MutexLocker cml(fDeviceMutex);
return fCurrentMidiOutput == nullptr;
}
void assignAudioDevice(CardinalAudioDevice* const dev) noexcept override
{
DISTRHO_SAFE_ASSERT_RETURN(fCurrentAudioDevice == nullptr,);
const MutexLocker cml(fDeviceMutex);
fCurrentAudioDevice = dev;
}
void assignMidiOutputDevice(CardinalMidiOutputDevice* const dev) noexcept override
{
DISTRHO_SAFE_ASSERT_RETURN(fCurrentMidiOutput == nullptr,);
const MutexLocker cml(fDeviceMutex);
fCurrentMidiOutput = dev;
}
bool clearAudioDevice(CardinalAudioDevice* const dev) noexcept override
{
const MutexLocker cml(fDeviceMutex);
if (fCurrentAudioDevice != dev)
return false;
fCurrentAudioDevice = nullptr;
return true;
}
bool clearMidiOutputDevice(CardinalMidiOutputDevice* const dev) noexcept override
{
const MutexLocker cml(fDeviceMutex);
if (fCurrentMidiOutput != dev)
return false;
fCurrentMidiOutput = nullptr;
return true;
}
void addMidiInput(CardinalMidiInputDevice* const dev) override
{
// NOTE this will xrun
const MutexLocker cml(fDeviceMutex);
fMidiInputs.push_back(dev);
}
void removeMidiInput(CardinalMidiInputDevice* const dev) override
{
// NOTE this will xrun
const MutexLocker cml(fDeviceMutex);
fMidiInputs.remove(dev);
}
/* --------------------------------------------------------------------------------------------------------
* Information */
const char* getLabel() const override
{
#if DISTRHO_PLUGIN_IS_SYNTH
return "CardinalSynth";
#else
return "Cardinal";
#endif
}
const char* getDescription() const override
{
return ""
"Cardinal is an open-source self-contained special plugin version of VCVRack, using DPF.\n"
"It is NOT an official VCV project, and it is not affiliated with it in any way.\n";
}
const char* getMaker() const override
{
return "DISTRHO";
}
const char* getHomePage() const override
{
return "https://github.com/DISTRHO/Cardinal";
}
const char* getLicense() const override
{
return "GPLv3+";
}
uint32_t getVersion() const override
{
return d_version(2, 0, 0);
}
int64_t getUniqueId() const override
{
#if DISTRHO_PLUGIN_IS_SYNTH
return d_cconst('d', 'C', 'n', 'S');
#else
return d_cconst('d', 'C', 'd', 'n');
#endif
}
/* --------------------------------------------------------------------------------------------------------
* Init */
void initParameter(const uint32_t index, Parameter& parameter) override
{
if (index < kModuleParameters)
{
parameter.name = "Parameter ";
parameter.name += String(index + 1);
parameter.symbol = "param_";
parameter.symbol += String(index + 1);
parameter.unit = "v";
parameter.hints = kParameterIsAutomable;
parameter.ranges.def = 0.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 10.0f;
return;
}
switch (index - kModuleParameters)
{
case kWindowParameterShowTooltips:
parameter.name = "Show tooltips";
parameter.symbol = "tooltips";
parameter.hints = kParameterIsAutomable|kParameterIsInteger|kParameterIsBoolean;
parameter.ranges.def = 1.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 1.0f;
break;
case kWindowParameterCableOpacity:
parameter.name = "Cable opacity";
parameter.symbol = "cableOpacity";
parameter.unit = "%";
parameter.hints = kParameterIsAutomable;
parameter.ranges.def = 50.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 100.0f;
break;
case kWindowParameterCableTension:
parameter.name = "Cable tension";
parameter.symbol = "cableTension";
parameter.unit = "%";
parameter.hints = kParameterIsAutomable;
parameter.ranges.def = 50.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 100.0f;
break;
case kWindowParameterRackBrightness:
parameter.name = "Room brightness";
parameter.symbol = "rackBrightness";
parameter.unit = "%";
parameter.hints = kParameterIsAutomable;
parameter.ranges.def = 100.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 100.0f;
break;
case kWindowParameterHaloBrightness:
parameter.name = "Light Bloom";
parameter.symbol = "haloBrightness";
parameter.unit = "%";
parameter.hints = kParameterIsAutomable;
parameter.ranges.def = 25.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 100.0f;
break;
case kWindowParameterKnobMode:
parameter.name = "Knob mode";
parameter.symbol = "knobMode";
parameter.hints = kParameterIsAutomable|kParameterIsInteger;
parameter.ranges.def = 0.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 2.0f;
parameter.enumValues.count = 3;
parameter.enumValues.restrictedMode = true;
parameter.enumValues.values = new ParameterEnumerationValue[3];
parameter.enumValues.values[0].label = "Linear";
parameter.enumValues.values[0].value = 0.0f;
parameter.enumValues.values[1].label = "Absolute rotary";
parameter.enumValues.values[1].value = 1.0f;
parameter.enumValues.values[2].label = "Relative rotary";
parameter.enumValues.values[2].value = 2.0f;
break;
case kWindowParameterWheelKnobControl:
parameter.name = "Scroll wheel knob control";
parameter.symbol = "knobScroll";
parameter.hints = kParameterIsAutomable|kParameterIsInteger|kParameterIsBoolean;
parameter.ranges.def = 0.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 1.0f;
break;
case kWindowParameterWheelSensitivity:
parameter.name = "Scroll wheel knob sensitivity";
parameter.symbol = "knobScrollSensitivity";
parameter.hints = kParameterIsAutomable|kParameterIsLogarithmic;
parameter.ranges.def = 1.0f;
parameter.ranges.min = 0.1f;
parameter.ranges.max = 10.0f;
break;
case kWindowParameterLockModulePositions:
parameter.name = "Lock module positions";
parameter.symbol = "lockModules";
parameter.hints = kParameterIsAutomable|kParameterIsInteger|kParameterIsBoolean;
parameter.ranges.def = 0.0f;
parameter.ranges.min = 0.0f;
parameter.ranges.max = 1.0f;
break;
}
}
void initState(const uint32_t index, String& stateKey, String& defaultStateValue) override
{
defaultStateValue = "";
switch (index)
{
case 0:
stateKey = "patch";
break;
case 1:
stateKey = "windowSize";
break;
}
}
/* --------------------------------------------------------------------------------------------------------
* Internal data */
float getParameterValue(uint32_t index) const override
{
if (index < kModuleParameters)
return context->parameters[index];
index -= kModuleParameters;
if (index < kWindowParameterCount)
return fWindowParameters[index];
return 0.0f;
}
void setParameterValue(uint32_t index, float value) override
{
if (index < kModuleParameters)
{
context->parameters[index] = value;
return;
}
index -= kModuleParameters;
if (index < kWindowParameterCount)
{
fWindowParameters[index] = value;
return;
}
}
String getState(const char* const key) const override
{
if (std::strcmp(key, "windowSize") == 0)
return fWindowSize;
if (std::strcmp(key, "patch") != 0)
return String();
if (fAutosavePath.empty())
return String();
std::vector<uint8_t> data;
{
const ScopedContext sc(this);
context->engine->prepareSave();
context->patch->saveAutosave();
context->patch->cleanAutosave();
// context->history->setSaved();
try {
data = rack::system::archiveDirectory(fAutosavePath, 1);
} DISTRHO_SAFE_EXCEPTION_RETURN("getState archiveDirectory", String());
}
return String::asBase64(data.data(), data.size());
}
void setState(const char* const key, const char* const value) override
{
if (std::strcmp(key, "windowSize") == 0)
{
fWindowSize = value;
return;
}
if (std::strcmp(key, "patch") != 0)
return;
if (fAutosavePath.empty())
return;
const std::vector<uint8_t> data(d_getChunkFromBase64String(value));
const ScopedContext sc(this);
rack::system::removeRecursively(fAutosavePath);
rack::system::createDirectories(fAutosavePath);
rack::system::unarchiveToDirectory(data, fAutosavePath);
context->patch->loadAutosave();
// context->history->setSaved();
}
/* --------------------------------------------------------------------------------------------------------
* Process */
void activate() override
{
const uint32_t bufferSize = getBufferSize() * DISTRHO_PLUGIN_NUM_OUTPUTS;
fAudioBufferOut = new float[bufferSize];
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
fAudioBufferIn = new float[bufferSize];
std::memset(fAudioBufferIn, 0, sizeof(float)*bufferSize);
#endif
{
const MutexLocker cml(fDeviceMutex);
if (fCurrentAudioDevice != nullptr)
fCurrentAudioDevice->onStartStream();
}
}
void deactivate() override
{
{
const MutexLocker cml(fDeviceMutex);
if (fCurrentAudioDevice != nullptr)
fCurrentAudioDevice->onStopStream();
}
delete[] fAudioBufferOut;
fAudioBufferOut = nullptr;
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
delete[] fAudioBufferIn;
fAudioBufferIn = nullptr;
#endif
}
void run(const float** const inputs, float** const outputs, const uint32_t frames,
const MidiEvent* const midiEvents, const uint32_t midiEventCount) override
{
/*
context->engine->setFrame(getTimePosition().frame);
context->engine->stepBlock(frames);
*/
const MutexLocker cml(fDeviceMutex);
if (fCurrentAudioDevice != nullptr)
{
#if DISTRHO_PLUGIN_NUM_INPUTS != 0
for (uint32_t i=0, j=0; i<frames; ++i)
{
fAudioBufferIn[j++] = inputs[0][i];
fAudioBufferIn[j++] = inputs[1][i];
}
#endif
}
else
{
std::memset(outputs[0], 0, sizeof(float)*frames);
std::memset(outputs[1], 0, sizeof(float)*frames);
}
{
const TimePosition& timePos(getTimePosition());
context->playing = timePos.playing;
context->frameZero = timePos.frame == 0;
if (timePos.bbt.valid)
{
context->bar = timePos.bbt.bar;
context->beat = timePos.bbt.beat;
context->beatsPerBar = timePos.bbt.beatsPerBar;
context->tick = timePos.bbt.tick;
context->ticksPerBeat = timePos.bbt.ticksPerBeat;
context->ticksPerFrame = 1.0 / (60.0 * getSampleRate() / timePos.bbt.beatsPerMinute / timePos.bbt.ticksPerBeat);
}
}
std::memset(fAudioBufferOut, 0, sizeof(float)*frames*DISTRHO_PLUGIN_NUM_OUTPUTS);
for (CardinalMidiInputDevice* dev : fMidiInputs)
dev->handleMessagesFromHost(midiEvents, midiEventCount);
if (fCurrentAudioDevice != nullptr)
{
#if DISTRHO_PLUGIN_NUM_INPUTS == 0
const float* const insPtr = nullptr;
#else
const float* const insPtr = fAudioBufferIn;
#endif
fCurrentAudioDevice->processBuffer(insPtr, DISTRHO_PLUGIN_NUM_INPUTS,
fAudioBufferOut, DISTRHO_PLUGIN_NUM_OUTPUTS, frames);
}
if (fCurrentMidiOutput != nullptr)
fCurrentMidiOutput->processMessages();
for (uint32_t i=0, j=0; i<frames; ++i)
{
outputs[0][i] = fAudioBufferOut[j++];
outputs[1][i] = fAudioBufferOut[j++];
}
}
// -------------------------------------------------------------------------------------------------------
private:
/**
Set our plugin class as non-copyable and add a leak detector just in case.
*/
DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CardinalPlugin)
};
CardinalPluginContext* getRackContextFromPlugin(void* const ptr)
{
return static_cast<CardinalPlugin*>(ptr)->getRackContext();
}
/* ------------------------------------------------------------------------------------------------------------
* Plugin entry point, called by DPF to create a new plugin instance. */
Plugin* createPlugin()
{
return new CardinalPlugin();
}
// -----------------------------------------------------------------------------------------------------------
END_NAMESPACE_DISTRHO