/* * Carla Juce Plugin * Copyright (C) 2013-2022 Filipe Coelho * * 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 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 doc/GPL.txt file. */ #include "CarlaPluginInternal.hpp" #include "CarlaEngine.hpp" #ifdef USING_JUCE #include "CarlaBackendUtils.hpp" #include "CarlaMathUtils.hpp" #include "CarlaProcessUtils.hpp" #include "CarlaScopeUtils.hpp" #include "CarlaVst2Utils.hpp" #include "CarlaVst3Utils.hpp" #define JUCE_GUI_BASICS_INCLUDE_XHEADERS 1 #include "carla_juce/carla_juce.h" #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wdouble-promotion" #pragma GCC diagnostic ignored "-Wduplicated-branches" #pragma GCC diagnostic ignored "-Weffc++" #pragma GCC diagnostic ignored "-Wfloat-equal" #include "juce_audio_processors/juce_audio_processors.h" #include "juce_gui_basics/juce_gui_basics.h" #pragma GCC diagnostic pop #include "JucePluginWindow.hpp" CARLA_BACKEND_START_NAMESPACE // ------------------------------------------------------------------------------------------------------------------- // Fallback data static const ExternalMidiNote kExternalMidiNoteFallback = { -1, 0, 0 }; // ------------------------------------------------------------------------------------------------------------------- // find all available plugin audio ports static void findMaxTotalChannels(juce::AudioProcessor* const filter, const bool isAU, uint32_t& maxTotalIns, uint32_t& maxTotalOuts) { filter->enableAllBuses(); if (isAU) { maxTotalIns = static_cast(juce::jmax(0, filter->getTotalNumInputChannels())); maxTotalOuts = static_cast(juce::jmax(0, filter->getTotalNumOutputChannels())); return; } const int numInputBuses = filter->getBusCount(true); const int numOutputBuses = filter->getBusCount(false); if (numInputBuses > 1 || numOutputBuses > 1) { maxTotalIns = maxTotalOuts = 0; for (int i = 0; i < numInputBuses; ++i) maxTotalIns += static_cast(juce::jmax(0, filter->getChannelCountOfBus(true, i))); for (int i = 0; i < numOutputBuses; ++i) maxTotalOuts += static_cast(juce::jmax(0, filter->getChannelCountOfBus(false, i))); } else { maxTotalIns = numInputBuses > 0 ? static_cast(juce::jmax(0, filter->getBus(true, 0)->getMaxSupportedChannels(64))) : 0; maxTotalOuts = numOutputBuses > 0 ? static_cast(juce::jmax(0, filter->getBus(false, 0)->getMaxSupportedChannels(64))) : 0; } } // ------------------------------------------------------------------------------------------------------------------- // ExtensionsVisitor for various formats static void* getPlatformSpecificDataForAll(const std::unique_ptr& instance) { struct ExtensionsVisitorForVST2 : public juce::ExtensionsVisitor { void* ptr = nullptr; void visitVST3Client (const VST3Client& c) override { ptr = c.getIComponentPtr(); } void visitVSTClient (const VSTClient& c) override { ptr = c.getAEffectPtr(); } void visitAudioUnitClient(const AudioUnitClient& c) override { ptr = c.getAudioUnitHandle(); } } visitor; instance->getExtensions(visitor); return visitor.ptr; } static AEffect* getPlatformSpecificDataForVST2(const std::unique_ptr& instance) { struct ExtensionsVisitorForVST2 : public juce::ExtensionsVisitor { AEffect* aeffect = nullptr; void visitVSTClient(const VSTClient& c) override { aeffect = c.getAEffectPtr(); } } visitor; instance->getExtensions(visitor); return visitor.aeffect; } static v3_component** getPlatformSpecificDataForVST3(const std::unique_ptr& instance) { struct ExtensionsVisitorForVST3 : public juce::ExtensionsVisitor { v3_component** component = nullptr; void visitVST3Client(const VST3Client& c) override { component = (v3_component**)c.getIComponentPtr(); } } visitor; instance->getExtensions(visitor); return visitor.component; } // ------------------------------------------------------------------------------------------------------------------- class CarlaPluginJuce : public CarlaPlugin, private juce::AudioPlayHead, private juce::AudioProcessorListener { public: CarlaPluginJuce(CarlaEngine* const engine, const uint id) : CarlaPlugin(engine, id), fDesc(), fFormatManager(), fInstance(), fAudioBuffer(), fMidiBuffer(), fPosInfo(), fChunk(), fFormatName(), fWindow(), fNeedsUpdate(false) { carla_debug("CarlaPluginJuce::CarlaPluginJuce(%p, %i)", engine, id); fMidiBuffer.ensureSize(2048); fMidiBuffer.clear(); } ~CarlaPluginJuce() override { carla_debug("CarlaPluginJuce::~CarlaPluginJuce()"); // close UI if (pData->hints & PLUGIN_HAS_CUSTOM_UI) showCustomUI(false); pData->singleMutex.lock(); pData->masterMutex.lock(); if (pData->client != nullptr && pData->client->isActive()) pData->client->deactivate(true); if (pData->active) { deactivate(); pData->active = false; } fInstance = nullptr; clearBuffers(); } // ------------------------------------------------------------------- // Information (base) PluginType getType() const noexcept override { return getPluginTypeFromString(fDesc.pluginFormatName.toRawUTF8()); } PluginCategory getCategory() const noexcept override { if (fDesc.isInstrument) return PLUGIN_CATEGORY_SYNTH; return getPluginCategoryFromName(fDesc.category.isNotEmpty() ? fDesc.category.toRawUTF8() : fDesc.name.toRawUTF8()); } int64_t getUniqueId() const noexcept override { return fDesc.uniqueId; } uint32_t getLatencyInFrames() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, 0); const int latency = fInstance->getLatencySamples(); CARLA_SAFE_ASSERT_RETURN(latency >= 0, 0); return static_cast(latency); } // ------------------------------------------------------------------- // Information (count) // nothing // ------------------------------------------------------------------- // Information (current data) std::size_t getChunkData(void** const dataPtr) noexcept override { CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS, 0); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(dataPtr != nullptr, 0); *dataPtr = nullptr; try { fChunk.reset(); fInstance->getStateInformation(fChunk); } CARLA_SAFE_EXCEPTION_RETURN("CarlaPluginJuce::getChunkData", 0); if (const std::size_t size = fChunk.getSize()) { *dataPtr = fChunk.getData(); return size; } return 0; } // ------------------------------------------------------------------- // Information (per-plugin data) uint getOptionsAvailable() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, 0x0); uint options = 0x0; options |= PLUGIN_OPTION_USE_CHUNKS; if (fInstance->getNumPrograms() > 1) options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; if (fInstance->acceptsMidi()) { options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES; options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE; options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH; options |= PLUGIN_OPTION_SEND_PITCHBEND; options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF; options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES; options |= PLUGIN_OPTION_SKIP_SENDING_NOTES; } return options; } float getParameterValue(const uint32_t parameterId) const noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, 0.0f); juce::AudioProcessorParameter* const parameter = fInstance->getParameters()[static_cast(parameterId)]; CARLA_SAFE_ASSERT_RETURN(parameter != nullptr, 0.0f); return parameter->getValue(); } bool getLabel(char* const strBuf) const noexcept override { if (fDesc.pluginFormatName == "AU" || fDesc.pluginFormatName == "AudioUnit") std::strncpy(strBuf, fDesc.fileOrIdentifier.toRawUTF8(), STR_MAX); else std::strncpy(strBuf, fDesc.name.toRawUTF8(), STR_MAX); return true; } bool getMaker(char* const strBuf) const noexcept override { std::strncpy(strBuf, fDesc.manufacturerName.toRawUTF8(), STR_MAX); return true; } bool getCopyright(char* const strBuf) const noexcept override { return getMaker(strBuf); } bool getRealName(char* const strBuf) const noexcept override { std::strncpy(strBuf, fDesc.descriptiveName.toRawUTF8(), STR_MAX); return true; } bool getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, false); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, false); juce::AudioProcessorParameter* const parameter = fInstance->getParameters()[static_cast(parameterId)]; CARLA_SAFE_ASSERT_RETURN(parameter != nullptr, false); std::strncpy(strBuf, parameter->getName(STR_MAX).toRawUTF8(), STR_MAX); return true; } bool getParameterText(const uint32_t parameterId, char* const strBuf) noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, false); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, false); juce::AudioProcessorParameter* const parameter = fInstance->getParameters()[static_cast(parameterId)]; CARLA_SAFE_ASSERT_RETURN(parameter != nullptr, false); std::strncpy(strBuf, parameter->getCurrentValueAsText().toRawUTF8(), STR_MAX); return true; } bool getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, false); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, false); juce::AudioProcessorParameter* const parameter = fInstance->getParameters()[static_cast(parameterId)]; CARLA_SAFE_ASSERT_RETURN(parameter != nullptr, false); std::strncpy(strBuf, parameter->getLabel().toRawUTF8(), STR_MAX); return true; } bool getParameterGroupName(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, false); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr, false); if (fDesc.pluginFormatName != "VST" && fDesc.pluginFormatName != "VST2") return false; AEffect* const effect = getPlatformSpecificDataForVST2(fInstance); if (effect == nullptr) return false; VstParameterProperties prop; carla_zeroStruct(prop); if (effect->dispatcher(effect, effGetParameterProperties, static_cast(parameterId), 0, &prop, 0.0f) == 1 && prop.category != 0 && prop.categoryLabel[0] != '\0') { std::snprintf(strBuf, STR_MAX, "%d:%s", prop.category, prop.categoryLabel); return true; } return false; } // ------------------------------------------------------------------- // Set data (state) // nothing // ------------------------------------------------------------------- // Set data (internal stuff) void setName(const char* const newName) override { CarlaPlugin::setName(newName); if (fWindow == nullptr || pData->uiTitle.isNotEmpty()) return; juce::String uiName(pData->name); uiName += " (GUI)"; fWindow->setName(uiName); } // ------------------------------------------------------------------- // Set data (plugin-specific stuff) void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); juce::AudioProcessorParameter* const parameter = fInstance->getParameters()[static_cast(parameterId)]; CARLA_SAFE_ASSERT_RETURN(parameter != nullptr,); const float fixedValue = pData->param.getFixedValue(parameterId, value); try { parameter->setValue(value); } CARLA_SAFE_EXCEPTION("setValue"); CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback); } void setParameterValueRT(const uint32_t parameterId, const float value, const uint32_t frameOffset, const bool sendCallbackLater) noexcept override { CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); juce::AudioProcessorParameter* const parameter = fInstance->getParameters()[static_cast(parameterId)]; CARLA_SAFE_ASSERT_RETURN(parameter != nullptr,); const float fixedValue = pData->param.getFixedValue(parameterId, value); try { parameter->setValue(value); } CARLA_SAFE_EXCEPTION("setValue(RT)"); CarlaPlugin::setParameterValueRT(parameterId, fixedValue, frameOffset, sendCallbackLater); } void setChunkData(const void* const data, const std::size_t dataSize) override { CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS,); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); CARLA_SAFE_ASSERT_RETURN(data != nullptr,); CARLA_SAFE_ASSERT_RETURN(dataSize > 0,); if (isJuceSaveFormat(data, dataSize)) { const ScopedSingleProcessLocker spl(this, true); fInstance->setStateInformation(data, static_cast(dataSize)); } else { uint8_t* const dataCompat = (uint8_t*)std::malloc(dataSize + 160); CARLA_SAFE_ASSERT_RETURN(dataCompat != nullptr,); carla_stdout("NOTE: Loading plugin state in Carla JUCE/VST2 compatibility mode"); std::memset(dataCompat, 0, 160); std::memcpy(dataCompat+160, data, dataSize); int32_t* const set = (int32_t*)dataCompat; set[0] = (int32_t)juce::ByteOrder::littleEndianInt("CcnK"); set[2] = (int32_t)juce::ByteOrder::littleEndianInt("FBCh"); set[3] = fxbSwap(1); set[39] = fxbSwap(static_cast(dataSize)); { const ScopedSingleProcessLocker spl(this, true); fInstance->setStateInformation(dataCompat, static_cast(dataSize+160)); } std::free(dataCompat); } pData->updateParameterValues(this, true, true, false); } void setProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback, const bool doingInit) noexcept override { CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast(pData->prog.count),); if (index >= 0) { const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback)); try { fInstance->setCurrentProgram(index); } CARLA_SAFE_EXCEPTION("setCurrentProgram"); } CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback, doingInit); } void setProgramRT(const uint32_t index, const bool sendCallbackLater) noexcept override { CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); CARLA_SAFE_ASSERT_RETURN(index < pData->prog.count,); try { fInstance->setCurrentProgram(static_cast(index)); } CARLA_SAFE_EXCEPTION("setCurrentProgram"); CarlaPlugin::setProgramRT(index, sendCallbackLater); } // ------------------------------------------------------------------- // Set ui stuff void setCustomUITitle(const char* const title) noexcept override { if (fWindow != nullptr) { try { fWindow->setName(title); } CARLA_SAFE_EXCEPTION("set custom ui title"); } CarlaPlugin::setCustomUITitle(title); } void showCustomUI(const bool yesNo) override { CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); carla_debug("CarlaPluginJuce::showCustomUI(%s)", bool2str(yesNo)); if (yesNo) { if (juce::AudioProcessorEditor* const editor = fInstance->createEditorIfNeeded()) { const EngineOptions& opts(pData->engine->getOptions()); #ifndef CARLA_OS_MAC editor->setScaleFactor(opts.uiScale); #endif if (fWindow == nullptr) { juce::String uiName; if (pData->uiTitle.isNotEmpty()) { uiName = pData->uiTitle.buffer(); } else { uiName = pData->name; uiName += " (GUI)"; } AEffect* const vst2effect = fDesc.pluginFormatName == "VST" || fDesc.pluginFormatName == "VST2" ? getPlatformSpecificDataForVST2(fInstance) : nullptr; /* TODO update to juce7 APIs v3_plugin_view** const vst3view = fDesc.pluginFormatName == "VST3" ? (v3_plugin_view**)editor->getPlatformSpecificData() : nullptr; */ v3_plugin_view** const vst3view = nullptr; fWindow = new JucePluginWindow(opts.frontendWinId, opts.pluginsAreStandalone, vst2effect, vst3view); fWindow->setName(uiName); } fWindow->show(editor); fWindow->toFront(true); } } else { if (juce::AudioProcessorEditor* const editor = fInstance->getActiveEditor()) delete editor; fWindow = nullptr; } } void uiIdle() override { if (fWindow != nullptr) { if (fWindow->wasClosedByUser()) { showCustomUI(false); pData->engine->callback(true, true, ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0, 0.0f, nullptr); } } CarlaPlugin::uiIdle(); } // ------------------------------------------------------------------- // Plugin state void reload() override { CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,); CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); carla_debug("CarlaPluginJuce::reload() - start"); const EngineProcessMode processMode(pData->engine->getProccessMode()); // Safely disable plugin for reload const ScopedDisabler sd(this); if (pData->active) deactivate(); clearBuffers(); uint32_t aIns, aOuts, mIns, mOuts, params; mIns = mOuts = 0; bool needsCtrlIn, needsCtrlOut; needsCtrlIn = needsCtrlOut = false; const bool isAU = fDesc.pluginFormatName == "AU" || fDesc.pluginFormatName == "AudioUnit"; const bool isVST2 = fDesc.pluginFormatName == "VST" || fDesc.pluginFormatName == "VST2"; const bool isVST3 = fDesc.pluginFormatName == "VST3"; findMaxTotalChannels(fInstance.get(), isAU, aIns, aOuts); fInstance->refreshParameterList(); const juce::Array& parameters(fInstance->getParameters()); params = static_cast(std::max(parameters.size(), 0)); if (fInstance->acceptsMidi()) { mIns = 1; needsCtrlIn = true; } if (fInstance->producesMidi()) { mOuts = 1; needsCtrlOut = true; } if (aIns > 0) { pData->audioIn.createNew(aIns); } if (aOuts > 0) { pData->audioOut.createNew(aOuts); needsCtrlIn = true; } if (params > 0) { pData->param.createNew(params, false); needsCtrlIn = true; } const uint portNameSize(pData->engine->getMaxPortNameSize()); CarlaString portName; // Audio Ins for (uint32_t j=0; j < aIns; ++j) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } if (aIns > 1) { portName += "input_"; portName += CarlaString(j+1); } else portName += "input"; portName.truncate(portNameSize); pData->audioIn.ports[j].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j); pData->audioIn.ports[j].rindex = j; } // Audio Outs for (uint32_t j=0; j < aOuts; ++j) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } if (aOuts > 1) { portName += "output_"; portName += CarlaString(j+1); } else portName += "output"; portName.truncate(portNameSize); pData->audioOut.ports[j].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j); pData->audioOut.ports[j].rindex = j; } for (uint32_t j=0; j < params; ++j) { const int32_t ij = static_cast(j); juce::AudioProcessorParameter* const parameter = parameters[ij]; CARLA_SAFE_ASSERT_CONTINUE(parameter != nullptr); pData->param.data[j].type = PARAMETER_INPUT; pData->param.data[j].index = static_cast(j); pData->param.data[j].rindex = static_cast(j); pData->param.data[j].hints |= PARAMETER_IS_ENABLED; pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT; if (parameter->isAutomatable()) pData->param.data[j].hints |= PARAMETER_IS_AUTOMATABLE; const float min = 0.0f; const float max = 1.0f; float def, step, stepSmall, stepLarge; bool hasDetails = false; if (isVST2) { AEffect* const effect = getPlatformSpecificDataForVST2(fInstance); VstParameterProperties prop; carla_zeroStruct(prop); if (effect != nullptr && effect->dispatcher(effect, effGetParameterProperties, ij, 0, &prop, 0.0f) == 1) { hasDetails = true; /**/ if (prop.flags & kVstParameterIsSwitch) { step = max - min; stepSmall = step; stepLarge = step; pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN; } else if (prop.flags & kVstParameterUsesIntStep) { step = static_cast(prop.stepInteger); stepSmall = static_cast(prop.stepInteger)/10.0f; stepLarge = static_cast(prop.largeStepInteger); } else if (prop.flags & kVstParameterUsesFloatStep) { step = prop.stepFloat; stepSmall = prop.smallStepFloat; stepLarge = prop.largeStepFloat; } else { const float range = max - min; step = range/100.0f; stepSmall = range/1000.0f; stepLarge = range/10.0f; } if ((prop.flags & (kVstParameterIsSwitch|kVstParameterUsesIntStep)) == 0x0) pData->param.data[j].hints |= PARAMETER_CAN_BE_CV_CONTROLLED; if (prop.flags & kVstParameterCanRamp) pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC; } } else if (isVST3) { v3_component** const component = getPlatformSpecificDataForVST3(fInstance); /* FIXME query edit controller the long way too */ v3_edit_controller** controller = nullptr; v3_cpp_obj_query_interface(component, v3_edit_controller_iid, &controller); if (controller != nullptr) { v3_param_info info; if (v3_cpp_obj(controller)->get_parameter_info(controller, static_cast(j), &info) == V3_OK) { hasDetails = true; if (info.step_count == 1) { step = stepSmall = stepLarge = 1; pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN; } else if (info.step_count != 0) { step = 1.0f / static_cast(info.step_count); stepSmall = step/10.0f; stepLarge = std::min(1.0f, step*10.0f); } else { const float range = max - min; step = range/100.0f; stepSmall = range/1000.0f; stepLarge = range/10.0f; } if (info.flags & V3_PARAM_READ_ONLY) pData->param.data[j].type = PARAMETER_OUTPUT; // TODO V3_PARAM_IS_LIST if (info.flags & (V3_PARAM_IS_HIDDEN|V3_PARAM_PROGRAM_CHANGE)) pData->param.data[j].hints &= ~PARAMETER_IS_ENABLED; if ((info.flags & (V3_PARAM_IS_LIST|V3_PARAM_IS_HIDDEN|V3_PARAM_PROGRAM_CHANGE)) == 0x0) if (info.flags & V3_PARAM_CAN_AUTOMATE) pData->param.data[j].hints |= PARAMETER_CAN_BE_CV_CONTROLLED; } v3_cpp_obj_unref(controller); } } if (! hasDetails) { if (parameter->isBoolean()) { step = max - min; stepSmall = step; stepLarge = step; pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN; } else { const float range = max - min; step = range/100.0f; stepSmall = range/1000.0f; stepLarge = range/10.0f; if (! parameter->isMetaParameter()) pData->param.data[j].hints |= PARAMETER_CAN_BE_CV_CONTROLLED; } } // this gives wrong values! // def = parameter->getDefaultValue(); def = parameter->getValue(); if (def < min) def = min; else if (def > max) def = max; pData->param.ranges[j].min = min; pData->param.ranges[j].max = max; pData->param.ranges[j].def = def; pData->param.ranges[j].step = step; pData->param.ranges[j].stepSmall = stepSmall; pData->param.ranges[j].stepLarge = stepLarge; } if (needsCtrlIn) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += "events-in"; portName.truncate(portNameSize); pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0); #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH pData->event.cvSourcePorts = pData->client->createCVSourcePorts(); #endif } if (needsCtrlOut) { portName.clear(); if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += "events-out"; portName.truncate(portNameSize); pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0); } // plugin hints pData->hints = 0x0; pData->hints |= PLUGIN_NEEDS_FIXED_BUFFERS; if (fDesc.isInstrument) pData->hints |= PLUGIN_IS_SYNTH; if (fInstance->hasEditor()) { pData->hints |= PLUGIN_HAS_CUSTOM_UI; pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD; } if (aOuts > 0 && (aIns == aOuts || aIns == 1)) pData->hints |= PLUGIN_CAN_DRYWET; if (aOuts > 0) pData->hints |= PLUGIN_CAN_VOLUME; if (aOuts >= 2 && aOuts % 2 == 0) pData->hints |= PLUGIN_CAN_BALANCE; // extra plugin hints pData->extraHints = 0x0; if (mIns > 0) pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN; if (mOuts > 0) pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_OUT; fInstance->setRateAndBufferSizeDetails(pData->engine->getSampleRate(), static_cast(pData->engine->getBufferSize())); bufferSizeChanged(pData->engine->getBufferSize()); reloadPrograms(true); if (pData->active) activate(); carla_debug("CarlaPluginJuce::reload() - end"); } void reloadPrograms(const bool doInit) override { carla_debug("CarlaPluginJuce::reloadPrograms(%s)", bool2str(doInit)); const uint32_t oldCount = pData->prog.count; const int32_t current = pData->prog.current; // Delete old programs pData->prog.clear(); // Query new programs const uint32_t newCount = (fInstance->getNumPrograms() > 0) ? static_cast(fInstance->getNumPrograms()) : 0; if (newCount > 0) { pData->prog.createNew(newCount); // Update names for (uint32_t i=0; i < newCount; ++i) pData->prog.names[i] = carla_strdup(fInstance->getProgramName(static_cast(i)).toRawUTF8()); } if (doInit) { if (newCount > 0) setProgram(0, false, false, false, true); } else { // Check if current program is invalid bool programChanged = false; if (newCount == oldCount+1) { // one program added, probably created by user pData->prog.current = static_cast(oldCount); programChanged = true; } else if (current < 0 && newCount > 0) { // programs exist now, but not before pData->prog.current = 0; programChanged = true; } else if (current >= 0 && newCount == 0) { // programs existed before, but not anymore pData->prog.current = -1; programChanged = true; } else if (current >= static_cast(newCount)) { // current program > count pData->prog.current = 0; programChanged = true; } else { // no change pData->prog.current = current; } if (programChanged) { setProgram(pData->prog.current, true, true, true, false); } else { // Program was changed during update, re-set it if (pData->prog.current >= 0) fInstance->setCurrentProgram(pData->prog.current); } pData->engine->callback(true, true, ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0, 0.0f, nullptr); } } // ------------------------------------------------------------------- // Plugin processing void activate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); try { fInstance->prepareToPlay(pData->engine->getSampleRate(), static_cast(pData->engine->getBufferSize())); } catch(...) {} } void deactivate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fInstance != nullptr,); try { fInstance->releaseResources(); } catch(...) {} } void process(const float* const* const audioIn, float** const audioOut, const float* const* const cvIn, float**, const uint32_t frames) override { // -------------------------------------------------------------------------------------------------------- // Check if active if (! pData->active) { // disable any output sound for (uint32_t i=0; i < pData->audioOut.count; ++i) carla_zeroFloats(audioOut[i], frames); return; } // -------------------------------------------------------------------------------------------------------- // Check if needs reset if (pData->needsReset) { fInstance->reset(); pData->needsReset = false; } // -------------------------------------------------------------------------------------------------------- // Event Input fMidiBuffer.clear(); if (pData->event.portIn != nullptr) { // ---------------------------------------------------------------------------------------------------- // MIDI Input (External) if (pData->extNotes.mutex.tryLock()) { for (RtLinkedList::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next()) { const ExternalMidiNote& note(it.getValue(kExternalMidiNoteFallback)); CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS); uint8_t midiEvent[3]; midiEvent[0] = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT)); midiEvent[1] = note.note; midiEvent[2] = note.velo; fMidiBuffer.addEvent(midiEvent, 3, 0); } pData->extNotes.data.clear(); pData->extNotes.mutex.unlock(); } // End of MIDI Input (External) // ---------------------------------------------------------------------------------------------------- // Event Input (System) #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH bool allNotesOffSent = false; if (cvIn != nullptr && pData->event.cvSourcePorts != nullptr) pData->event.cvSourcePorts->initPortBuffers(cvIn, frames, false, pData->event.portIn); #endif for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i) { EngineEvent& event(pData->event.portIn->getEvent(i)); if (event.time >= frames) continue; switch (event.type) { case kEngineEventTypeNull: break; case kEngineEventTypeControl: { EngineControlEvent& ctrlEvent(event.ctrl); switch (ctrlEvent.type) { case kEngineControlEventTypeNull: break; case kEngineControlEventTypeParameter: { float value; #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH // non-midi if (event.channel == kEngineEventNonMidiChannel) { const uint32_t k = ctrlEvent.param; CARLA_SAFE_ASSERT_CONTINUE(k < pData->param.count); ctrlEvent.handled = true; value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue); setParameterValueRT(k, value, event.time, true); continue; } // Control backend stuff if (event.channel == pData->ctrlChannel) { if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0) { ctrlEvent.handled = true; value = ctrlEvent.normalizedValue; setDryWetRT(value, true); } else if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0) { ctrlEvent.handled = true; value = ctrlEvent.normalizedValue*127.0f/100.0f; setVolumeRT(value, true); } else if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0) { float left, right; value = ctrlEvent.normalizedValue/0.5f - 1.0f; if (value < 0.0f) { left = -1.0f; right = (value*2.0f)+1.0f; } else if (value > 0.0f) { left = (value*2.0f)-1.0f; right = 1.0f; } else { left = -1.0f; right = 1.0f; } ctrlEvent.handled = true; setBalanceLeftRT(left, true); setBalanceRightRT(right, true); } } #endif // Control plugin parameters uint32_t k; for (k=0; k < pData->param.count; ++k) { if (pData->param.data[k].midiChannel != event.channel) continue; if (pData->param.data[k].mappedControlIndex != ctrlEvent.param) continue; if (pData->param.data[k].type != PARAMETER_INPUT) continue; if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMATABLE) == 0) continue; ctrlEvent.handled = true; value = pData->param.getFinalUnnormalizedValue(k, ctrlEvent.normalizedValue); setParameterValueRT(k, value, event.time, true); } if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_VALUE) { uint8_t midiData[3]; midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); midiData[1] = uint8_t(ctrlEvent.param); midiData[2] = uint8_t(ctrlEvent.normalizedValue*127.0f + 0.5f); fMidiBuffer.addEvent(midiData, 3, static_cast(event.time)); } #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH if (! ctrlEvent.handled) checkForMidiLearn(event); #endif break; } // case kEngineControlEventTypeParameter case kEngineControlEventTypeMidiBank: if ((pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) != 0) { uint8_t midiData[3]; midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); midiData[1] = MIDI_CONTROL_BANK_SELECT; midiData[2] = 0; fMidiBuffer.addEvent(midiData, 3, static_cast(event.time)); midiData[1] = MIDI_CONTROL_BANK_SELECT__LSB; midiData[2] = uint8_t(ctrlEvent.normalizedValue*127.0f + 0.5f); fMidiBuffer.addEvent(midiData, 3, static_cast(event.time)); } break; case kEngineControlEventTypeMidiProgram: if (event.channel == pData->ctrlChannel && (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) != 0) { if (ctrlEvent.param < pData->prog.count) { setProgramRT(ctrlEvent.param, true); } } else if ((pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) != 0) { uint8_t midiData[2]; midiData[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); midiData[1] = uint8_t(ctrlEvent.normalizedValue*127.0f + 0.5f); fMidiBuffer.addEvent(midiData, 2, static_cast(event.time)); } break; case kEngineControlEventTypeAllSoundOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { uint8_t midiData[3]; midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF; midiData[2] = 0; fMidiBuffer.addEvent(midiData, 3, static_cast(event.time)); } break; case kEngineControlEventTypeAllNotesOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH if (event.channel == pData->ctrlChannel && ! allNotesOffSent) { allNotesOffSent = true; postponeRtAllNotesOff(); } #endif uint8_t midiData[3]; midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF; midiData[2] = 0; fMidiBuffer.addEvent(midiData, 3, static_cast(event.time)); } break; } // switch (ctrlEvent.type) break; } // case kEngineEventTypeControl case kEngineEventTypeMidi: { const EngineMidiEvent& midiEvent(event.midi); const uint8_t* const midiData(midiEvent.size > EngineMidiEvent::kDataSize ? midiEvent.dataExt : midiEvent.data); uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiData)); if ((status == MIDI_STATUS_NOTE_OFF || status == MIDI_STATUS_NOTE_ON) && (pData->options & PLUGIN_OPTION_SKIP_SENDING_NOTES)) continue; if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0) continue; if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0) continue; if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0) continue; if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0) continue; // Fix bad note-off if (status == MIDI_STATUS_NOTE_ON && midiData[2] == 0) status = MIDI_STATUS_NOTE_OFF; // put back channel in data uint8_t midiData2[midiEvent.size]; midiData2[0] = uint8_t(status | (event.channel & MIDI_CHANNEL_BIT)); std::memcpy(midiData2+1, midiData+1, static_cast(midiEvent.size-1)); fMidiBuffer.addEvent(midiData2, midiEvent.size, static_cast(event.time)); if (status == MIDI_STATUS_NOTE_ON) { pData->postponeNoteOnRtEvent(true, event.channel, midiData[1], midiData[2]); } else if (status == MIDI_STATUS_NOTE_OFF) { pData->postponeNoteOffRtEvent(true, event.channel, midiData[1]); } } break; } // switch (event.type) } pData->postRtEvents.trySplice(); } // End of Event Input // -------------------------------------------------------------------------------------------------------- // Set TimeInfo const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo()); fPosInfo.setIsPlaying(timeInfo.playing); fPosInfo.setTimeInSamples(static_cast(timeInfo.frame)); fPosInfo.setTimeInSeconds(static_cast(timeInfo.frame)/pData->engine->getSampleRate()); if (timeInfo.bbt.valid) { CARLA_SAFE_ASSERT_INT(timeInfo.bbt.bar > 0, timeInfo.bbt.bar); CARLA_SAFE_ASSERT_INT(timeInfo.bbt.beat > 0, timeInfo.bbt.beat); const double ppqBar = static_cast(timeInfo.bbt.beatsPerBar) * (timeInfo.bbt.bar - 1); const double ppqBeat = static_cast(timeInfo.bbt.beat - 1); const double ppqTick = timeInfo.bbt.tick / timeInfo.bbt.ticksPerBeat; fPosInfo.setBarCount(timeInfo.bbt.bar); fPosInfo.setBpm(timeInfo.bbt.beatsPerMinute); fPosInfo.setTimeSignature(TimeSignature{static_cast(timeInfo.bbt.beatsPerBar+0.5f), static_cast(timeInfo.bbt.beatType+0.5f)}); fPosInfo.setPpqPosition(ppqBar + ppqBeat + ppqTick); fPosInfo.setPpqPositionOfLastBarStart(ppqBar); } // -------------------------------------------------------------------------------------------------------- // Process processSingle(audioIn, audioOut, frames); // -------------------------------------------------------------------------------------------------------- #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH return; // unused (void)cvIn; #endif } bool processSingle(const float* const* const inBuffer, float** const outBuffer, const uint32_t frames) { CARLA_SAFE_ASSERT_RETURN(frames > 0, false); if (pData->audioIn.count > 0) { CARLA_SAFE_ASSERT_RETURN(inBuffer != nullptr, false); } if (pData->audioOut.count > 0) { CARLA_SAFE_ASSERT_RETURN(outBuffer != nullptr, false); } // -------------------------------------------------------------------------------------------------------- // Try lock, silence otherwise if (pData->engine->isOffline()) { pData->singleMutex.lock(); } else if (! pData->singleMutex.tryLock()) { for (uint32_t i=0; i < pData->audioOut.count; ++i) carla_zeroFloats(outBuffer[i], frames); return false; } // -------------------------------------------------------------------------------------------------------- // Set audio in buffers for (uint32_t i=0; i < pData->audioIn.count; ++i) fAudioBuffer.copyFrom(static_cast(i), 0, inBuffer[i], static_cast(frames)); // -------------------------------------------------------------------------------------------------------- // Run plugin fInstance->processBlock(fAudioBuffer, fMidiBuffer); // -------------------------------------------------------------------------------------------------------- // Set audio out buffers for (uint32_t i=0; i < pData->audioOut.count; ++i) carla_copyFloats(outBuffer[i], fAudioBuffer.getReadPointer(static_cast(i)), frames); #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH // -------------------------------------------------------------------------------------------------------- // Post-processing (dry/wet, volume and balance) { const bool doVolume = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && carla_isNotEqual(pData->postProc.volume, 1.0f); const bool doDryWet = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f); const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f)); const bool isMono = (pData->audioIn.count == 1); bool isPair; float bufValue, oldBufLeft[doBalance ? frames : 1]; for (uint32_t i=0; i < pData->audioOut.count; ++i) { // Dry/Wet if (doDryWet) { const uint32_t c = isMono ? 0 : i; for (uint32_t k=0; k < frames; ++k) { bufValue = inBuffer[c][k]; outBuffer[i][k] = (outBuffer[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet)); } } // Balance if (doBalance) { isPair = (i % 2 == 0); if (isPair) { CARLA_ASSERT(i+1 < pData->audioOut.count); carla_copyFloats(oldBufLeft, outBuffer[i], frames); } float balRangeL = (pData->postProc.balanceLeft + 1.0f)/2.0f; float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f; for (uint32_t k=0; k < frames; ++k) { if (isPair) { // left outBuffer[i][k] = oldBufLeft[k] * (1.0f - balRangeL); outBuffer[i][k] += outBuffer[i+1][k] * (1.0f - balRangeR); } else { // right outBuffer[i][k] = outBuffer[i][k] * balRangeR; outBuffer[i][k] += oldBufLeft[k] * balRangeL; } } } // Volume if (doVolume) { for (uint32_t k=0; k < frames; ++k) outBuffer[i][k] *= pData->postProc.volume; } } } // End of Post-processing #endif // -------------------------------------------------------------------------------------------------------- // Midi out if (! fMidiBuffer.isEmpty()) { if (pData->event.portOut != nullptr) { for (juce::MidiBufferIterator it = fMidiBuffer.cbegin(), end = fMidiBuffer.cend(); it != end; ++it) { const juce::MidiMessageMetadata metadata(*it); CARLA_SAFE_ASSERT_BREAK(metadata.samplePosition >= 0); CARLA_SAFE_ASSERT_BREAK(metadata.samplePosition < static_cast(frames)); CARLA_SAFE_ASSERT_BREAK(metadata.numBytes > 0); CARLA_SAFE_ASSERT_CONTINUE(metadata.numBytes <= 0xff); if (! pData->event.portOut->writeMidiEvent(static_cast(metadata.samplePosition), static_cast(metadata.numBytes), metadata.data)) break; } } fMidiBuffer.clear(); } // -------------------------------------------------------------------------------------------------------- pData->singleMutex.unlock(); return true; } void bufferSizeChanged(const uint32_t newBufferSize) override { CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize); carla_debug("CarlaPluginJuce::bufferSizeChanged(%i)", newBufferSize); fAudioBuffer.setSize(static_cast(std::max(pData->audioIn.count, pData->audioOut.count)), static_cast(newBufferSize)); if (pData->active) { deactivate(); activate(); } } void sampleRateChanged(const double newSampleRate) override { CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate); carla_debug("CarlaPluginJuce::sampleRateChanged(%g)", newSampleRate); if (pData->active) { deactivate(); activate(); } } // ------------------------------------------------------------------- // Misc void idle() override { if (fNeedsUpdate) { fNeedsUpdate = false; pData->engine->callback(true, true, ENGINE_CALLBACK_UPDATE, pData->id, 0, 0, 0, 0.0f, nullptr); } CarlaPlugin::idle(); } // ------------------------------------------------------------------- // Plugin buffers // nothing // ------------------------------------------------------------------- // Post-poned UI Stuff // nothing // ------------------------------------------------------------------- void* getNativeHandle() const noexcept override { return (fInstance != nullptr) ? getPlatformSpecificDataForAll(fInstance) : nullptr; } // ------------------------------------------------------------------- protected: void audioProcessorParameterChanged(juce::AudioProcessor*, int index, float value) override { CARLA_SAFE_ASSERT_RETURN(index >= 0,); const uint32_t uindex(static_cast(index)); const float fixedValue(pData->param.getFixedValue(uindex, value)); CarlaPlugin::setParameterValue(static_cast(index), fixedValue, false, true, true); } void audioProcessorChanged(juce::AudioProcessor*, const ChangeDetails& details) override { if (details.parameterInfoChanged || details.programChanged) fNeedsUpdate = true; } void audioProcessorParameterChangeGestureBegin(juce::AudioProcessor*, int index) override { CARLA_SAFE_ASSERT_RETURN(index >= 0,); pData->engine->touchPluginParameter(pData->id, static_cast(index), true); } void audioProcessorParameterChangeGestureEnd(juce::AudioProcessor*, int index) override { CARLA_SAFE_ASSERT_RETURN(index >= 0,); pData->engine->touchPluginParameter(pData->id, static_cast(index), false); } juce::Optional getPosition() const override { return fPosInfo; } // ------------------------------------------------------------------- public: bool init(const CarlaPluginPtr plugin, const char* const filename, const char* const name, const char* const label, const int64_t uniqueId, const uint options, const char* const format) { CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false); // --------------------------------------------------------------- // first checks if (pData->client != nullptr) { pData->engine->setLastError("Plugin client is already registered"); return false; } if (format == nullptr || format[0] == '\0') { pData->engine->setLastError("null format"); return false; } // AU requires label if (std::strcmp(format, "AU") == 0) { if (label == nullptr || label[0] == '\0') { pData->engine->setLastError("null label"); return false; } } juce::String fileOrIdentifier; if (std::strcmp(format, "AU") == 0) { fileOrIdentifier = label; } else { // VST2 and VST3 require filename if (filename == nullptr || filename[0] == '\0') { pData->engine->setLastError("null filename"); return false; } juce::String jfilename(filename); #ifdef CARLA_OS_WIN // Fix for wine usage if (juce::File("Z:\\usr\\").isDirectory() && filename[0] == '/') { jfilename.replace("/", "\\"); jfilename = "Z:" + jfilename; } #endif fileOrIdentifier = jfilename; if (label != nullptr && label[0] != '\0') fDesc.name = label; } /**/ if (std::strcmp(format, "AU") == 0) { #if JUCE_PLUGINHOST_AU fFormatManager.addFormat(new juce::AudioUnitPluginFormat()); #endif } else if (std::strcmp(format, "VST2") == 0) { #if JUCE_PLUGINHOST_VST fFormatManager.addFormat(new juce::VSTPluginFormat()); #endif } else if (std::strcmp(format, "VST3") == 0) { #if JUCE_PLUGINHOST_VST3 fFormatManager.addFormat(new juce::VST3PluginFormat()); #endif } else { fFormatManager.addDefaultFormats(); } { juce::OwnedArray pluginDescriptions; juce::KnownPluginList plist; { #if !(defined(CARLA_OS_WASM) || defined(CARLA_OS_WIN)) const ScopedAbortCatcher sac; #endif for (int i = 0; i < fFormatManager.getNumFormats(); ++i) { juce::AudioPluginFormat* const apformat = fFormatManager.getFormat(i); CARLA_SAFE_ASSERT_CONTINUE(apformat != nullptr); carla_debug("Trying to load '%s' plugin with format '%s'", fileOrIdentifier.toRawUTF8(), apformat->getName().toRawUTF8()); try { plist.scanAndAddFile(fileOrIdentifier, true, pluginDescriptions, *apformat); } CARLA_SAFE_EXCEPTION_CONTINUE("scanAndAddFile") #if !(defined(CARLA_OS_WASM) || defined(CARLA_OS_WIN)) if (sac.wasTriggered()) { carla_stderr("WARNING: Caught exception while scanning file, will not load this plugin"); pluginDescriptions.clearQuick(false); break; } #endif } } if (pluginDescriptions.size() == 0) { pData->engine->setLastError("Failed to get plugin description"); return false; } fDesc = *pluginDescriptions[0]; } if (uniqueId != 0) fDesc.uniqueId = static_cast(uniqueId); juce::String error; { #if !(defined(CARLA_OS_WASM) || defined(CARLA_OS_WIN)) const ScopedAbortCatcher sac; #endif try { fInstance = fFormatManager.createPluginInstance(fDesc, pData->engine->getSampleRate(), static_cast(pData->engine->getBufferSize()), error); } CARLA_SAFE_EXCEPTION("createPluginInstance") #if !(defined(CARLA_OS_WASM) || defined(CARLA_OS_WIN)) if (sac.wasTriggered()) { fInstance = nullptr; carla_stderr("WARNING: Caught exception while instantiating, will not load this plugin"); } #endif } if (fInstance == nullptr) { pData->engine->setLastError(error.toRawUTF8()); return false; } fInstance->fillInPluginDescription(fDesc); fInstance->setPlayHead(this); fInstance->addListener(this); fFormatName = format; // --------------------------------------------------------------- // get info if (name != nullptr && name[0] != '\0') pData->name = pData->engine->getUniquePluginName(name); else pData->name = pData->engine->getUniquePluginName(fInstance->getName().toRawUTF8()); if (filename != nullptr && filename[0] != '\0') pData->filename = carla_strdup(filename); // --------------------------------------------------------------- // register client pData->client = pData->engine->addClient(plugin); if (pData->client == nullptr || ! pData->client->isOk()) { pData->engine->setLastError("Failed to register plugin client"); return false; } // --------------------------------------------------------------- // set options pData->options = 0x0; pData->options |= PLUGIN_OPTION_FIXED_BUFFERS; pData->options |= PLUGIN_OPTION_USE_CHUNKS; if (fInstance->acceptsMidi()) { if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CONTROL_CHANGES)) pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES; if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_CHANNEL_PRESSURE)) pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE; if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH)) pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH; if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PITCHBEND)) pData->options |= PLUGIN_OPTION_SEND_PITCHBEND; if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_ALL_SOUND_OFF)) pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF; if (isPluginOptionEnabled(options, PLUGIN_OPTION_SEND_PROGRAM_CHANGES)) pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES; if (isPluginOptionInverseEnabled(options, PLUGIN_OPTION_SKIP_SENDING_NOTES)) pData->options |= PLUGIN_OPTION_SKIP_SENDING_NOTES; } if (fInstance->getNumPrograms() > 1 && (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) == 0) if (isPluginOptionEnabled(options, PLUGIN_OPTION_MAP_PROGRAM_CHANGES)) pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; return true; } private: juce::PluginDescription fDesc; juce::AudioPluginFormatManager fFormatManager; std::unique_ptr fInstance; juce::AudioSampleBuffer fAudioBuffer; juce::MidiBuffer fMidiBuffer; PositionInfo fPosInfo; juce::MemoryBlock fChunk; juce::String fFormatName; CarlaScopedPointer fWindow; bool fNeedsUpdate; bool isJuceSaveFormat(const void* const data, const std::size_t dataSize) { if (fFormatName != "VST2") return true; if (dataSize < 160) return false; const int32_t* const set = (const int32_t*)data; // chunkMagic if (! compareMagic(set[0], "CcnK")) return false; // version if (fxbSwap(set[3]) > 1) return false; // fxMagic, data contents depend on this value if (compareMagic(set[2], "FBCh") || compareMagic(set[2], "FJuc")) { const int32_t chunkSize = fxbSwap(set[39]); return static_cast(chunkSize + 160) == dataSize; } if (compareMagic(set[2], "FxBk")) { const int32_t numPrograms = fxbSwap(set[6]); return numPrograms >= 1; } return false; } static bool compareMagic(int32_t magic, const char* name) noexcept { return magic == (int32_t)juce::ByteOrder::littleEndianInt (name) || magic == (int32_t)juce::ByteOrder::bigEndianInt (name); } static int32_t fxbSwap(const int32_t x) noexcept { return (int32_t)juce::ByteOrder::swapIfLittleEndian ((uint32_t) x); } CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginJuce) }; CARLA_BACKEND_END_NAMESPACE #endif // USING_JUCE // ------------------------------------------------------------------------------------------------------------------- CARLA_BACKEND_START_NAMESPACE CarlaPluginPtr CarlaPlugin::newJuce(const Initializer& init, const char* const format) { carla_debug("CarlaPlugin::newJuce({%p, \"%s\", \"%s\", \"%s\", " P_INT64 "}, %s)", init.engine, init.filename, init.name, init.label, init.uniqueId, format); #ifdef USING_JUCE std::shared_ptr plugin(new CarlaPluginJuce(init.engine, init.id)); if (! plugin->init(plugin, init.filename, init.name, init.label, init.uniqueId, init.options, format)) return nullptr; return plugin; #else init.engine->setLastError("Juce-based plugin not available"); return nullptr; // unused (void)format; #endif } CARLA_BACKEND_END_NAMESPACE // -------------------------------------------------------------------------------------------------------------------