/* * Carla VST Plugin * Copyright (C) 2011-2018 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" #include "CarlaVstUtils.hpp" #include "CarlaMathUtils.hpp" #include "CarlaPluginUI.hpp" #ifdef CARLA_OS_MAC # import #endif #include #include "water/memory/ByteOrder.h" #undef VST_FORCE_DEPRECATED #define VST_FORCE_DEPRECATED 0 #undef kEffectMagic #define kEffectMagic (CCONST( 'V', 's', 't', 'P' )) using water::ByteOrder; CARLA_BACKEND_START_NAMESPACE // ----------------------------------------------------- const uint PLUGIN_CAN_PROCESS_REPLACING = 0x1000; const uint PLUGIN_HAS_COCKOS_EXTENSIONS = 0x2000; const uint PLUGIN_USES_OLD_VSTSDK = 0x4000; const uint PLUGIN_WANTS_MIDI_INPUT = 0x8000; static const int32_t kVstMidiEventSize = static_cast(sizeof(VstMidiEvent)); // ----------------------------------------------------- class CarlaPluginVST2 : public CarlaPlugin, private CarlaPluginUI::Callback { public: CarlaPluginVST2(CarlaEngine* const engine, const uint id) : CarlaPlugin(engine, id), fUnique1(1), fEffect(nullptr), fMidiEventCount(0), fTimeInfo(), fNeedIdle(false), fLastChunk(nullptr), fIsProcessing(false), fMainThread(pthread_self()), #ifdef PTW32_DLLPORT fProcThread({nullptr, 0}), #else fProcThread(0), #endif #ifdef CARLA_OS_MAC fMacBundleRef(nullptr), fMacBundleRefNum(0), #endif fEvents(), fUI(), fUnique2(2) { carla_debug("CarlaPluginVST2::CarlaPluginVST2(%p, %i)", engine, id); carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents*2); carla_zeroStruct(fTimeInfo); for (ushort i=0; i < kPluginMaxMidiEvents*2; ++i) fEvents.data[i] = (VstEvent*)&fMidiEvents[i]; // make plugin valid srand(id); fUnique1 = fUnique2 = rand(); } ~CarlaPluginVST2() override { carla_debug("CarlaPluginVST2::~CarlaPluginVST2()"); // 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(); CARLA_ASSERT(! fIsProcessing); if (pData->active) { deactivate(); pData->active = false; } if (fEffect != nullptr) { dispatcher(effClose, 0, 0, nullptr, 0.0f); fEffect = nullptr; } // make plugin invalid fUnique2 += 1; if (fLastChunk != nullptr) { std::free(fLastChunk); fLastChunk = nullptr; } clearBuffers(); #ifdef CARLA_OS_MAC if (fMacBundleRef != nullptr) { CFBundleCloseBundleResourceMap(fMacBundleRef, fMacBundleRefNum); if (CFGetRetainCount(fMacBundleRef) == 1) CFBundleUnloadExecutable(fMacBundleRef); if (CFGetRetainCount(fMacBundleRef) > 0) CFRelease(fMacBundleRef); fMacBundleRef = nullptr; } #endif } // ------------------------------------------------------------------- // Information (base) PluginType getType() const noexcept override { return PLUGIN_VST2; } PluginCategory getCategory() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr, CarlaPlugin::getCategory()); const intptr_t category(dispatcher(effGetPlugCategory, 0, 0, nullptr, 0.0f)); switch (category) { case kPlugCategSynth: return PLUGIN_CATEGORY_SYNTH; case kPlugCategAnalysis: return PLUGIN_CATEGORY_UTILITY; case kPlugCategMastering: return PLUGIN_CATEGORY_DYNAMICS; case kPlugCategRoomFx: return PLUGIN_CATEGORY_DELAY; case kPlugCategRestoration: return PLUGIN_CATEGORY_UTILITY; case kPlugCategGenerator: return PLUGIN_CATEGORY_SYNTH; } if (fEffect->flags & effFlagsIsSynth) return PLUGIN_CATEGORY_SYNTH; return CarlaPlugin::getCategory(); } int64_t getUniqueId() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr, 0); return static_cast(fEffect->uniqueID); } // ------------------------------------------------------------------- // 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(fEffect != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(dataPtr != nullptr, 0); *dataPtr = nullptr; try { const intptr_t ret = dispatcher(effGetChunk, 0 /* bank */, 0, dataPtr, 0.0f); CARLA_SAFE_ASSERT_RETURN(ret >= 0, 0); return static_cast(ret); } CARLA_SAFE_EXCEPTION_RETURN("CarlaPluginVST2::getChunkData", 0); } // ------------------------------------------------------------------- // Information (per-plugin data) uint getOptionsAvailable() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr, 0); uint options = 0x0; // can't disable fixed buffers if using latency or MIDI output if (pData->latency.frames == 0 && ! hasMidiOutput()) options |= PLUGIN_OPTION_FIXED_BUFFERS; if (fEffect->numPrograms > 1) options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; if (fEffect->flags & effFlagsProgramChunks) options |= PLUGIN_OPTION_USE_CHUNKS; if (hasMidiInput()) { 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; } return options; } float getParameterValue(const uint32_t parameterId) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr, 0.0f); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f); return fEffect->getParameter(fEffect, static_cast(parameterId)); } void getLabel(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); strBuf[0] = '\0'; dispatcher(effGetProductString, 0, 0, strBuf, 0.0f); } void getMaker(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); strBuf[0] = '\0'; dispatcher(effGetVendorString, 0, 0, strBuf, 0.0f); } void getCopyright(char* const strBuf) const noexcept override { getMaker(strBuf); } void getRealName(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); strBuf[0] = '\0'; dispatcher(effGetEffectName, 0, 0, strBuf, 0.0f); } void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); strBuf[0] = '\0'; VstParameterProperties prop; carla_zeroStruct(prop); if (dispatcher(effGetParameterProperties, static_cast(parameterId), 0, &prop, 0) == 1 && prop.label[0] != '\0') { std::strncpy(strBuf, prop.label, 64); strBuf[64] = '\0'; return; } strBuf[0] = '\0'; dispatcher(effGetParamName, static_cast(parameterId), 0, strBuf, 0.0f); } void getParameterText(const uint32_t parameterId, char* const strBuf) noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); strBuf[0] = '\0'; dispatcher(effGetParamDisplay, static_cast(parameterId), 0, strBuf, 0.0f); if (strBuf[0] == '\0') std::snprintf(strBuf, STR_MAX, "%f", getParameterValue(parameterId)); } void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); strBuf[0] = '\0'; dispatcher(effGetParamLabel, static_cast(parameterId), 0, strBuf, 0.0f); } // ------------------------------------------------------------------- // Set data (state) // nothing // ------------------------------------------------------------------- // Set data (internal stuff) void setName(const char* const newName) override { CarlaPlugin::setName(newName); if (fUI.window != nullptr) { CarlaString guiTitle(pData->name); guiTitle += " (GUI)"; fUI.window->setTitle(guiTitle.buffer()); } } // ------------------------------------------------------------------- // 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(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const float fixedValue(pData->param.getFixedValue(parameterId, value)); fEffect->setParameter(fEffect, static_cast(parameterId), fixedValue); CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback); } void setParameterValueRT(const uint32_t parameterId, const float value) noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const float fixedValue(pData->param.getFixedValue(parameterId, value)); fEffect->setParameter(fEffect, static_cast(parameterId), fixedValue); CarlaPlugin::setParameterValueRT(parameterId, fixedValue); } 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(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(data != nullptr,); CARLA_SAFE_ASSERT_RETURN(dataSize > 0,); if (loadOldSaveFormat(data, dataSize)) return; if (fLastChunk != nullptr) std::free(fLastChunk); fLastChunk = std::malloc(dataSize); CARLA_SAFE_ASSERT_RETURN(fLastChunk != nullptr,); std::memcpy(fLastChunk, data, dataSize); { const ScopedSingleProcessLocker spl(this, true); dispatcher(effSetChunk, 0 /* bank */, static_cast(dataSize), fLastChunk, 0.0f); } // simulate an updateDisplay callback handleAudioMasterCallback(audioMasterUpdateDisplay, 0, 0, nullptr, 0.0f); #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE) const bool sendOsc(pData->engine->isOscControlRegistered()); #else const bool sendOsc(false); #endif pData->updateParameterValues(this, sendOsc, 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(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast(pData->prog.count),); CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback || doingInit,); if (index >= 0) { try { dispatcher(effBeginSetProgram, 0, 0, nullptr, 0.0f); } CARLA_SAFE_EXCEPTION_RETURN("effBeginSetProgram",); { const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback)); try { dispatcher(effSetProgram, 0, index, nullptr, 0.0f); } CARLA_SAFE_EXCEPTION("effSetProgram"); } try { dispatcher(effEndSetProgram, 0, 0, nullptr, 0.0f); } CARLA_SAFE_EXCEPTION("effEndSetProgram"); } CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback, doingInit); } void setProgramRT(const uint32_t uindex) noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); CARLA_SAFE_ASSERT_RETURN(uindex < pData->prog.count,); try { dispatcher(effBeginSetProgram, 0, 0, nullptr, 0.0f); } CARLA_SAFE_EXCEPTION_RETURN("effBeginSetProgram",); try { dispatcher(effSetProgram, 0, static_cast(uindex), nullptr, 0.0f); } CARLA_SAFE_EXCEPTION("effSetProgram"); try { dispatcher(effEndSetProgram, 0, 0, nullptr, 0.0f); } CARLA_SAFE_EXCEPTION("effEndSetProgram"); CarlaPlugin::setProgramRT(uindex); } // ------------------------------------------------------------------- // Set ui stuff void showCustomUI(const bool yesNo) override { if (fUI.isVisible == yesNo) return; if (yesNo) { CarlaString uiTitle(pData->name); uiTitle += " (GUI)"; intptr_t value = 0; void* vstPtr = nullptr; ERect* vstRect = nullptr; if (fUI.window == nullptr) { const char* msg = nullptr; const uintptr_t frontendWinId(pData->engine->getOptions().frontendWinId); #if defined(CARLA_OS_MAC) && defined(CARLA_OS_64BIT) fUI.window = CarlaPluginUI::newCocoa(this, frontendWinId, false); #elif defined(CARLA_OS_WIN) fUI.window = CarlaPluginUI::newWindows(this, frontendWinId, false); #elif defined(HAVE_X11) fUI.window = CarlaPluginUI::newX11(this, frontendWinId, false); #else msg = "Unknown UI type"; #endif if (fUI.window == nullptr) return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, msg); fUI.window->setTitle(uiTitle.buffer()); } vstPtr = fUI.window->getPtr(); dispatcher(effEditGetRect, 0, 0, &vstRect, 0.0f); #ifdef HAVE_X11 value = (intptr_t)fUI.window->getDisplay(); #endif if (dispatcher(effEditOpen, 0, value, vstPtr, 0.0f) != 0) { if (vstRect == nullptr || vstRect->right - vstRect->left < 2) dispatcher(effEditGetRect, 0, 0, &vstRect, 0.0f); if (vstRect != nullptr) { const int width(vstRect->right - vstRect->left); const int height(vstRect->bottom - vstRect->top); CARLA_SAFE_ASSERT_INT2(width > 1 && height > 1, width, height); if (width > 1 && height > 1) fUI.window->setSize(static_cast(width), static_cast(height), true); } fUI.window->show(); fUI.isVisible = true; } else { delete fUI.window; fUI.window = nullptr; carla_stderr2("Plugin refused to open its own UI"); return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, "Plugin refused to open its own UI"); } } else { fUI.isVisible = false; CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,); fUI.window->hide(); dispatcher(effEditClose, 0, 0, nullptr, 0.0f); } } void idle() override { if (fNeedIdle) dispatcher(effIdle, 0, 0, nullptr, 0.0f); CarlaPlugin::idle(); } void uiIdle() override { if (fUI.window != nullptr) { fUI.window->idle(); if (fUI.isVisible) dispatcher(effEditIdle, 0, 0, nullptr, 0.0f); } CarlaPlugin::uiIdle(); } // ------------------------------------------------------------------- // Plugin state void reload() override { CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,); CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); carla_debug("CarlaPluginVST2::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; bool needsCtrlIn, needsCtrlOut; needsCtrlIn = needsCtrlOut = false; aIns = (fEffect->numInputs > 0) ? static_cast(fEffect->numInputs) : 0; aOuts = (fEffect->numOutputs > 0) ? static_cast(fEffect->numOutputs) : 0; params = (fEffect->numParams > 0) ? static_cast(fEffect->numParams) : 0; if (hasMidiInput()) { mIns = 1; needsCtrlIn = true; } else mIns = 0; if (hasMidiOutput()) { mOuts = 1; needsCtrlOut = true; } else mOuts = 0; 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); pData->param.data[j].type = PARAMETER_INPUT; pData->param.data[j].index = ij; pData->param.data[j].rindex = ij; float min, max, def, step, stepSmall, stepLarge; VstParameterProperties prop; carla_zeroStruct(prop); if (pData->hints & PLUGIN_HAS_COCKOS_EXTENSIONS) { double vrange[2] = { 0.0, 1.0 }; bool isInteger = false; if (static_cast(dispatcher(effVendorSpecific, static_cast(0xdeadbef0), ij, vrange, 0.0f)) >= 0xbeef) { min = static_cast(vrange[0]); max = static_cast(vrange[1]); if (min > max) { carla_stderr2("WARNING - Broken plugin parameter min > max (with cockos extensions)"); min = max - 0.1f; } else if (carla_isEqual(min, max)) { carla_stderr2("WARNING - Broken plugin parameter min == max (with cockos extensions)"); max = min + 0.1f; } // only use values as integer if we have a proper range if (max - min >= 1.0f) isInteger = dispatcher(effVendorSpecific, kVstParameterUsesIntStep, ij, nullptr, 0.0f) >= 0xbeef; } else { min = 0.0f; max = 1.0f; } if (isInteger) { step = 1.0f; stepSmall = 1.0f; stepLarge = 10.0f; } else { const float range = max - min; step = range/100.0f; stepSmall = range/1000.0f; stepLarge = range/10.0f; } } else if (dispatcher(effGetParameterProperties, ij, 0, &prop, 0) == 1) { #if 0 if (prop.flags & kVstParameterUsesIntegerMinMax) { min = static_cast(prop.minInteger); max = static_cast(prop.maxInteger); if (min > max) { carla_stderr2("WARNING - Broken plugin parameter min > max"); min = max - 0.1f; } else if (carla_isEqual(min, max)) { carla_stderr2("WARNING - Broken plugin parameter min == max"); max = min + 0.1f; } } else #endif { min = 0.0f; max = 1.0f; } 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); pData->param.data[j].hints |= PARAMETER_IS_INTEGER; } 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 & kVstParameterCanRamp) pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC; } else { min = 0.0f; max = 1.0f; step = 0.001f; stepSmall = 0.0001f; stepLarge = 0.1f; } pData->param.data[j].hints |= PARAMETER_IS_ENABLED; pData->param.data[j].hints |= PARAMETER_USES_CUSTOM_TEXT; if ((pData->hints & PLUGIN_USES_OLD_VSTSDK) != 0 || dispatcher(effCanBeAutomated, ij, 0, nullptr, 0.0f) == 1) pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE; // no such thing as VST default parameters def = fEffect->getParameter(fEffect, ij); 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); } 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 const intptr_t vstCategory = dispatcher(effGetPlugCategory, 0, 0, nullptr, 0.0f); pData->hints = 0x0; if (vstCategory == kPlugCategSynth || vstCategory == kPlugCategGenerator) pData->hints |= PLUGIN_IS_SYNTH; if (fEffect->flags & effFlagsHasEditor) { pData->hints |= PLUGIN_HAS_CUSTOM_UI; pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD; } if (dispatcher(effGetVstVersion, 0, 0, nullptr, 0.0f) < kVstVersion) pData->hints |= PLUGIN_USES_OLD_VSTSDK; if ((fEffect->flags & effFlagsCanReplacing) != 0 && fEffect->processReplacing != fEffect->process) pData->hints |= PLUGIN_CAN_PROCESS_REPLACING; if (static_cast(dispatcher(effCanDo, 0, 0, const_cast("hasCockosExtensions"), 0.0f)) == 0xbeef0000) pData->hints |= PLUGIN_HAS_COCKOS_EXTENSIONS; 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; if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0)) pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK; // dummy pre-start to get latency and wantEvents() on old plugins { activate(); deactivate(); } // check initial latency char* const empty3Ptr = &fEffect->empty3[0]; int32_t initialDelay = *(int32_t*)empty3Ptr; const uint32_t latency = (initialDelay > 0) ? static_cast(initialDelay) : 0; if (latency != 0) { pData->client->setLatency(latency); #ifndef BUILD_BRIDGE pData->latency.recreateBuffers(std::max(aIns, aOuts), latency); #endif } //bufferSizeChanged(pData->engine->getBufferSize()); reloadPrograms(true); if (pData->active) activate(); carla_debug("CarlaPluginVST2::reload() - end"); } void reloadPrograms(const bool doInit) override { carla_debug("CarlaPluginVST2::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 uint32_t newCount = (fEffect->numPrograms > 0) ? static_cast(fEffect->numPrograms) : 0; if (newCount > 0) { pData->prog.createNew(newCount); // Update names for (int32_t i=0; i < fEffect->numPrograms; ++i) { char strBuf[STR_MAX+1] = { '\0' }; if (dispatcher(effGetProgramNameIndexed, i, 0, strBuf, 0.0f) != 1) { // program will be [re-]changed later dispatcher(effSetProgram, 0, i, nullptr, 0.0f); dispatcher(effGetProgramName, 0, 0, strBuf, 0.0f); } pData->prog.names[i] = carla_strdup(strBuf); } } #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE) // Update OSC Names if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount()) { pData->engine->oscSend_control_set_program_count(pData->id, newCount); for (uint32_t i=0; i < newCount; ++i) pData->engine->oscSend_control_set_program_name(pData->id, i, pData->prog.names[i]); } #endif if (doInit) { if (newCount > 0) setProgram(0, false, false, false, true); else dispatcher(effSetProgram, 0, 0, nullptr, 0.0f); } 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) dispatcher(effSetProgram, 0, pData->prog.current, nullptr, 0.0f); } pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr); } } // ------------------------------------------------------------------- // Plugin processing void activate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); dispatcher(effSetProcessPrecision, 0, kVstProcessPrecision32, nullptr, 0.0f); dispatcher(effSetBlockSizeAndSampleRate, 0, static_cast(pData->engine->getBufferSize()), nullptr, static_cast(pData->engine->getSampleRate())); dispatcher(effSetSampleRate, 0, 0, nullptr, static_cast(pData->engine->getSampleRate())); dispatcher(effSetBlockSize, 0, static_cast(pData->engine->getBufferSize()), nullptr, 0.0f); try { dispatcher(effMainsChanged, 0, 1, nullptr, 0.0f); } catch(...) {} try { dispatcher(effStartProcess, 0, 0, nullptr, 0.0f); } catch(...) {} } void deactivate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr,); try { dispatcher(effStopProcess, 0, 0, nullptr, 0.0f); } catch(...) {} try { dispatcher(effMainsChanged, 0, 0, nullptr, 0.0f); } catch(...) {} } void process(const float** const audioIn, float** const audioOut, const float** const, float** const, const uint32_t frames) override { fProcThread = pthread_self(); // -------------------------------------------------------------------------------------------------------- // 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; } fMidiEventCount = 0; carla_zeroStructs(fMidiEvents, kPluginMaxMidiEvents*2); // -------------------------------------------------------------------------------------------------------- // Check if needs reset if (pData->needsReset) { if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { fMidiEventCount = MAX_MIDI_CHANNELS*2; for (uint8_t i=0, k=MAX_MIDI_CHANNELS; i < MAX_MIDI_CHANNELS; ++i) { fMidiEvents[k].type = kVstMidiType; fMidiEvents[k].byteSize = kVstMidiEventSize; fMidiEvents[k].midiData[0] = char(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT)); fMidiEvents[k].midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF; fMidiEvents[k+i].type = kVstMidiType; fMidiEvents[k+i].byteSize = kVstMidiEventSize; fMidiEvents[k+i].midiData[0] = char(MIDI_STATUS_CONTROL_CHANGE | (k & MIDI_CHANNEL_BIT)); fMidiEvents[k+i].midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF; } } else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS) { fMidiEventCount = MAX_MIDI_NOTE; for (uint8_t i=0; i < MAX_MIDI_NOTE; ++i) { fMidiEvents[i].type = kVstMidiType; fMidiEvents[i].byteSize = kVstMidiEventSize; fMidiEvents[i].midiData[0] = char(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT)); fMidiEvents[i].midiData[1] = char(i); } } pData->needsReset = false; } // -------------------------------------------------------------------------------------------------------- // Set TimeInfo const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo()); fTimeInfo.flags = kVstTransportChanged; if (timeInfo.playing) fTimeInfo.flags |= kVstTransportPlaying; fTimeInfo.samplePos = double(timeInfo.frame); fTimeInfo.sampleRate = pData->engine->getSampleRate(); if (timeInfo.usecs != 0) { fTimeInfo.nanoSeconds = double(timeInfo.usecs)/1000.0; fTimeInfo.flags |= kVstNanosValid; } 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 = double(timeInfo.bbt.bar - 1) * timeInfo.bbt.beatsPerBar; const double ppqBeat = double(timeInfo.bbt.beat - 1); const double ppqTick = double(timeInfo.bbt.tick) / timeInfo.bbt.ticksPerBeat; // PPQ Pos fTimeInfo.ppqPos = ppqBar + ppqBeat + ppqTick; fTimeInfo.flags |= kVstPpqPosValid; // Tempo fTimeInfo.tempo = timeInfo.bbt.beatsPerMinute; fTimeInfo.flags |= kVstTempoValid; // Bars fTimeInfo.barStartPos = ppqBar; fTimeInfo.flags |= kVstBarsValid; // Time Signature fTimeInfo.timeSigNumerator = static_cast(timeInfo.bbt.beatsPerBar); fTimeInfo.timeSigDenominator = static_cast(timeInfo.bbt.beatType); fTimeInfo.flags |= kVstTimeSigValid; } else { // Tempo fTimeInfo.tempo = 120.0; fTimeInfo.flags |= kVstTempoValid; // Time Signature fTimeInfo.timeSigNumerator = 4; fTimeInfo.timeSigDenominator = 4; fTimeInfo.flags |= kVstTimeSigValid; // Missing info fTimeInfo.ppqPos = 0.0; fTimeInfo.barStartPos = 0.0; } // -------------------------------------------------------------------------------------------------------- // Event Input and Processing if (pData->event.portIn != nullptr) { // ---------------------------------------------------------------------------------------------------- // MIDI Input (External) if (pData->extNotes.mutex.tryLock()) { ExternalMidiNote note = { 0, 0, 0 }; for (; fMidiEventCount < kPluginMaxMidiEvents*2 && ! pData->extNotes.data.isEmpty();) { note = pData->extNotes.data.getFirst(note, true); CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS); VstMidiEvent& vstMidiEvent(fMidiEvents[fMidiEventCount++]); vstMidiEvent.type = kVstMidiType; vstMidiEvent.byteSize = kVstMidiEventSize; vstMidiEvent.midiData[0] = char((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT)); vstMidiEvent.midiData[1] = char(note.note); vstMidiEvent.midiData[2] = char(note.velo); } pData->extNotes.mutex.unlock(); } // End of MIDI Input (External) // ---------------------------------------------------------------------------------------------------- // Event Input (System) #ifndef BUILD_BRIDGE bool allNotesOffSent = false; #endif bool isSampleAccurate = (pData->options & PLUGIN_OPTION_FIXED_BUFFERS) == 0; uint32_t startTime = 0; uint32_t timeOffset = 0; for (uint32_t i=0, numEvents = pData->event.portIn->getEventCount(); i < numEvents; ++i) { const EngineEvent& event(pData->event.portIn->getEvent(i)); if (event.time >= frames) continue; CARLA_ASSERT_INT2(event.time >= timeOffset, event.time, timeOffset); if (isSampleAccurate && event.time > timeOffset) { if (processSingle(audioIn, audioOut, event.time - timeOffset, timeOffset)) { startTime = 0; timeOffset = event.time; if (fMidiEventCount > 0) { carla_zeroStructs(fMidiEvents, fMidiEventCount); fMidiEventCount = 0; } } else startTime += timeOffset; } switch (event.type) { case kEngineEventTypeNull: break; case kEngineEventTypeControl: { const EngineControlEvent& ctrlEvent(event.ctrl); switch (ctrlEvent.type) { case kEngineControlEventTypeNull: break; case kEngineControlEventTypeParameter: { #ifndef BUILD_BRIDGE // Control backend stuff if (event.channel == pData->ctrlChannel) { float value; if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0) { value = ctrlEvent.value; setDryWetRT(value); } if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0) { value = ctrlEvent.value*127.0f/100.0f; setVolumeRT(value); } if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0) { float left, right; value = ctrlEvent.value/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; } setBalanceLeftRT(left); setBalanceRightRT(right); } } #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].midiCC != ctrlEvent.param) continue; if (pData->param.data[k].type != PARAMETER_INPUT) continue; if ((pData->param.data[k].hints & PARAMETER_IS_AUTOMABLE) == 0) continue; float value; if (pData->param.data[k].hints & PARAMETER_IS_BOOLEAN) { value = (ctrlEvent.value < 0.5f) ? pData->param.ranges[k].min : pData->param.ranges[k].max; } else { if (pData->param.data[k].hints & PARAMETER_IS_LOGARITHMIC) value = pData->param.ranges[k].getUnnormalizedLogValue(ctrlEvent.value); else value = pData->param.ranges[k].getUnnormalizedValue(ctrlEvent.value); if (pData->param.data[k].hints & PARAMETER_IS_INTEGER) value = std::rint(value); } setParameterValueRT(k, value); } if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL) { if (fMidiEventCount >= kPluginMaxMidiEvents*2) continue; VstMidiEvent& vstMidiEvent(fMidiEvents[fMidiEventCount++]); carla_zeroStruct(vstMidiEvent); vstMidiEvent.type = kVstMidiType; vstMidiEvent.byteSize = kVstMidiEventSize; vstMidiEvent.deltaFrames = static_cast(isSampleAccurate ? startTime : event.time); vstMidiEvent.midiData[0] = char(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); vstMidiEvent.midiData[1] = char(ctrlEvent.param); vstMidiEvent.midiData[2] = char(ctrlEvent.value*127.0f); } break; } // case kEngineControlEventTypeParameter case kEngineControlEventTypeMidiBank: if ((pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) != 0) { if (fMidiEventCount >= kPluginMaxMidiEvents*2) continue; VstMidiEvent& vstMidiEvent(fMidiEvents[fMidiEventCount++]); carla_zeroStruct(vstMidiEvent); vstMidiEvent.type = kVstMidiType; vstMidiEvent.byteSize = kVstMidiEventSize; vstMidiEvent.deltaFrames = static_cast(isSampleAccurate ? startTime : event.time); vstMidiEvent.midiData[0] = char(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); vstMidiEvent.midiData[1] = MIDI_CONTROL_BANK_SELECT; vstMidiEvent.midiData[2] = char(ctrlEvent.param); } 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); break; } } else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) { if (fMidiEventCount >= kPluginMaxMidiEvents*2) continue; VstMidiEvent& vstMidiEvent(fMidiEvents[fMidiEventCount++]); carla_zeroStruct(vstMidiEvent); vstMidiEvent.type = kVstMidiType; vstMidiEvent.byteSize = kVstMidiEventSize; vstMidiEvent.deltaFrames = static_cast(isSampleAccurate ? startTime : event.time); vstMidiEvent.midiData[0] = char(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); vstMidiEvent.midiData[1] = char(ctrlEvent.param); } break; case kEngineControlEventTypeAllSoundOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { if (fMidiEventCount >= kPluginMaxMidiEvents*2) continue; VstMidiEvent& vstMidiEvent(fMidiEvents[fMidiEventCount++]); carla_zeroStruct(vstMidiEvent); vstMidiEvent.type = kVstMidiType; vstMidiEvent.byteSize = kVstMidiEventSize; vstMidiEvent.deltaFrames = static_cast(isSampleAccurate ? startTime : event.time); vstMidiEvent.midiData[0] = char(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); vstMidiEvent.midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF; } break; case kEngineControlEventTypeAllNotesOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { #ifndef BUILD_BRIDGE if (event.channel == pData->ctrlChannel && ! allNotesOffSent) { allNotesOffSent = true; sendMidiAllNotesOffToCallback(); } #endif if (fMidiEventCount >= kPluginMaxMidiEvents*2) continue; VstMidiEvent& vstMidiEvent(fMidiEvents[fMidiEventCount++]); carla_zeroStruct(vstMidiEvent); vstMidiEvent.type = kVstMidiType; vstMidiEvent.byteSize = kVstMidiEventSize; vstMidiEvent.deltaFrames = static_cast(isSampleAccurate ? startTime : event.time); vstMidiEvent.midiData[0] = char(MIDI_STATUS_CONTROL_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); vstMidiEvent.midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF; } break; } // switch (ctrlEvent.type) break; } // case kEngineEventTypeControl case kEngineEventTypeMidi: { if (fMidiEventCount >= kPluginMaxMidiEvents*2) continue; const EngineMidiEvent& midiEvent(event.midi); if (midiEvent.size > 3) continue; #ifdef CARLA_PROPER_CPP11_SUPPORT static_assert(3 <= EngineMidiEvent::kDataSize, "Incorrect data"); #endif uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiEvent.data)); 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 && midiEvent.data[2] == 0) status = MIDI_STATUS_NOTE_OFF; VstMidiEvent& vstMidiEvent(fMidiEvents[fMidiEventCount++]); carla_zeroStruct(vstMidiEvent); vstMidiEvent.type = kVstMidiType; vstMidiEvent.byteSize = kVstMidiEventSize; vstMidiEvent.deltaFrames = static_cast(isSampleAccurate ? startTime : event.time); vstMidiEvent.midiData[0] = char(status | (event.channel & MIDI_CHANNEL_BIT)); vstMidiEvent.midiData[1] = char(midiEvent.size >= 2 ? midiEvent.data[1] : 0); vstMidiEvent.midiData[2] = char(midiEvent.size >= 3 ? midiEvent.data[2] : 0); if (status == MIDI_STATUS_NOTE_ON) pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiEvent.data[1], midiEvent.data[2]); else if (status == MIDI_STATUS_NOTE_OFF) pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiEvent.data[1], 0.0f); } break; } // switch (event.type) } pData->postRtEvents.trySplice(); if (frames > timeOffset) processSingle(audioIn, audioOut, frames - timeOffset, timeOffset); } // End of Event Input and Processing // -------------------------------------------------------------------------------------------------------- // Plugin processing (no events) else { processSingle(audioIn, audioOut, frames, 0); } // End of Plugin processing (no events) // -------------------------------------------------------------------------------------------------------- // MIDI Output if (pData->event.portOut != nullptr) { // reverse lookup MIDI events for (uint32_t k = (kPluginMaxMidiEvents*2)-1; k >= fMidiEventCount; --k) { if (fMidiEvents[k].type == 0) break; const VstMidiEvent& vstMidiEvent(fMidiEvents[k]); CARLA_SAFE_ASSERT_CONTINUE(vstMidiEvent.deltaFrames >= 0); CARLA_SAFE_ASSERT_CONTINUE(vstMidiEvent.midiData[0] != 0); uint8_t midiData[3]; midiData[0] = static_cast(vstMidiEvent.midiData[0]); midiData[1] = static_cast(vstMidiEvent.midiData[1]); midiData[2] = static_cast(vstMidiEvent.midiData[2]); if (! pData->event.portOut->writeMidiEvent(static_cast(vstMidiEvent.deltaFrames), 3, midiData)) break; } } // End of MIDI Output } bool processSingle(const float** const inBuffer, float** const outBuffer, const uint32_t frames, const uint32_t timeOffset) { 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 #ifndef STOAT_TEST_BUILD if (pData->engine->isOffline()) { pData->singleMutex.lock(); } else #endif if (! pData->singleMutex.tryLock()) { for (uint32_t i=0; i < pData->audioOut.count; ++i) { for (uint32_t k=0; k < frames; ++k) outBuffer[i][k+timeOffset] = 0.0f; } return false; } // -------------------------------------------------------------------------------------------------------- // Set audio buffers float* vstInBuffer[pData->audioIn.count]; float* vstOutBuffer[pData->audioOut.count]; for (uint32_t i=0; i < pData->audioIn.count; ++i) vstInBuffer[i] = const_cast(inBuffer[i]+timeOffset); for (uint32_t i=0; i < pData->audioOut.count; ++i) vstOutBuffer[i] = outBuffer[i]+timeOffset; // -------------------------------------------------------------------------------------------------------- // Set MIDI events if (fMidiEventCount > 0) { fEvents.numEvents = static_cast(fMidiEventCount); fEvents.reserved = 0; dispatcher(effProcessEvents, 0, 0, &fEvents, 0.0f); } // -------------------------------------------------------------------------------------------------------- // Run plugin fIsProcessing = true; if (pData->hints & PLUGIN_CAN_PROCESS_REPLACING) { fEffect->processReplacing(fEffect, (pData->audioIn.count > 0) ? vstInBuffer : nullptr, (pData->audioOut.count > 0) ? vstOutBuffer : nullptr, static_cast(frames)); } else { for (uint32_t i=0; i < pData->audioOut.count; ++i) carla_zeroFloats(vstOutBuffer[i], frames); #if ! VST_FORCE_DEPRECATED fEffect->process(fEffect, (pData->audioIn.count > 0) ? vstInBuffer : nullptr, (pData->audioOut.count > 0) ? vstOutBuffer : nullptr, static_cast(frames)); #endif } fIsProcessing = false; fTimeInfo.samplePos += frames; #ifndef BUILD_BRIDGE // -------------------------------------------------------------------------------------------------------- // 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)); bool isPair; float bufValue, oldBufLeft[doBalance ? frames : 1]; for (uint32_t i=0; i < pData->audioOut.count; ++i) { // Dry/Wet if (doDryWet) { for (uint32_t k=0; k < frames; ++k) { bufValue = inBuffer[(pData->audioIn.count == 1) ? 0 : i][k+timeOffset]; outBuffer[i][k+timeOffset] = (outBuffer[i][k+timeOffset] * 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]+timeOffset, 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+timeOffset] = oldBufLeft[k] * (1.0f - balRangeL); outBuffer[i][k+timeOffset] += outBuffer[i+1][k+timeOffset] * (1.0f - balRangeR); } else { // right outBuffer[i][k+timeOffset] = outBuffer[i][k+timeOffset] * balRangeR; outBuffer[i][k+timeOffset] += oldBufLeft[k] * balRangeL; } } } // Volume if (doVolume) { for (uint32_t k=0; k < frames; ++k) outBuffer[i][k+timeOffset] *= pData->postProc.volume; } } } // End of Post-processing #endif // -------------------------------------------------------------------------------------------------------- pData->singleMutex.unlock(); return true; } void bufferSizeChanged(const uint32_t newBufferSize) override { CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize); carla_debug("CarlaPluginVST2::bufferSizeChanged(%i)", newBufferSize); if (pData->active) deactivate(); #if ! VST_FORCE_DEPRECATED dispatcher(effSetBlockSizeAndSampleRate, 0, static_cast(newBufferSize), nullptr, static_cast(pData->engine->getSampleRate())); #endif dispatcher(effSetBlockSize, 0, static_cast(newBufferSize), nullptr, 0.0f); if (pData->active) activate(); } void sampleRateChanged(const double newSampleRate) override { CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate); carla_debug("CarlaPluginVST2::sampleRateChanged(%g)", newSampleRate); if (pData->active) deactivate(); #if ! VST_FORCE_DEPRECATED dispatcher(effSetBlockSizeAndSampleRate, 0, static_cast(pData->engine->getBufferSize()), nullptr, static_cast(newSampleRate)); #endif dispatcher(effSetSampleRate, 0, 0, nullptr, static_cast(newSampleRate)); if (pData->active) activate(); } // ------------------------------------------------------------------- // Plugin buffers // nothing // ------------------------------------------------------------------- // Post-poned UI Stuff // nothing // ------------------------------------------------------------------- protected: void handlePluginUIClosed() override { CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,); carla_debug("CarlaPluginVST2::handlePluginUIClosed()"); showCustomUI(false); pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr); } void handlePluginUIResized(const uint width, const uint height) override { CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,); carla_debug("CarlaPluginVST2::handlePluginUIResized(%u, %u)", width, height); return; // unused (void)width; (void)height; } // ------------------------------------------------------------------- intptr_t dispatcher(int32_t opcode, int32_t index, intptr_t value, void* ptr, float opt) const noexcept { CARLA_SAFE_ASSERT_RETURN(fEffect != nullptr, 0); #ifdef DEBUG if (opcode != effIdle && opcode != effEditIdle && opcode != effProcessEvents) carla_debug("CarlaPluginVST2::dispatcher(%02i:%s, %i, " P_INTPTR ", %p, %f)", opcode, vstEffectOpcode2str(opcode), index, value, ptr, opt); #endif try { return fEffect->dispatcher(fEffect, opcode, index, value, ptr, opt); } CARLA_SAFE_EXCEPTION_RETURN("Vst dispatcher", 0); } intptr_t handleAudioMasterCallback(const int32_t opcode, const int32_t index, const intptr_t value, void* const ptr, const float opt) { #ifdef DEBUG if (opcode != audioMasterGetTime) carla_debug("CarlaPluginVST2::handleAudioMasterCallback(%02i:%s, %i, " P_INTPTR ", %p, %f)", opcode, vstMasterOpcode2str(opcode), index, value, ptr, opt); #endif intptr_t ret = 0; switch (opcode) { case audioMasterAutomate: { CARLA_SAFE_ASSERT_BREAK(pData->enabled); // plugins should never do this: CARLA_SAFE_ASSERT_INT(index >= 0 && index < static_cast(pData->param.count), index); if (index < 0 || index >= static_cast(pData->param.count)) break; const uint32_t uindex(static_cast(index)); const float fixedValue(pData->param.getFixedValue(uindex, opt)); // Called from plugin process thread, nasty! if (pthread_equal(pthread_self(), fProcThread)) { CARLA_SAFE_ASSERT(fIsProcessing); pData->postponeRtEvent(kPluginPostRtEventParameterChange, index, 0, fixedValue); } // Called from UI else if (fUI.isVisible) { CarlaPlugin::setParameterValue(uindex, fixedValue, false, true, true); } // Unknown // TODO - check if plugin or UI is initializing else { carla_stdout("audioMasterAutomate called from unknown source"); setParameterValue(uindex, fixedValue, true, true, true); //pData->postponeRtEvent(kPluginPostRtEventParameterChange, index, 0, fixedValue); } break; } case audioMasterCurrentId: ret = fEffect->uniqueID; break; case audioMasterIdle: if (pthread_equal(pthread_self(), fMainThread)) { pData->engine->callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); if (pData->engine->getType() != kEngineTypePlugin) pData->engine->idle(); } break; #if ! VST_FORCE_DEPRECATED case audioMasterPinConnected: // Deprecated in VST SDK 2.4 // TODO break; case audioMasterWantMidi: // Deprecated in VST SDK 2.4 pData->hints |= PLUGIN_WANTS_MIDI_INPUT; break; #endif case audioMasterGetTime: ret = (intptr_t)&fTimeInfo; break; case audioMasterProcessEvents: CARLA_SAFE_ASSERT_RETURN(pData->enabled, 0); CARLA_SAFE_ASSERT_RETURN(fIsProcessing, 0); CARLA_SAFE_ASSERT_RETURN(pData->event.portOut != nullptr, 0); if (fMidiEventCount >= kPluginMaxMidiEvents*2-1) return 0; if (const VstEvents* const vstEvents = (const VstEvents*)ptr) { for (int32_t i=0; i < vstEvents->numEvents && i < kPluginMaxMidiEvents*2; ++i) { if (vstEvents->events[i] == nullptr) break; const VstMidiEvent* const vstMidiEvent((const VstMidiEvent*)vstEvents->events[i]); if (vstMidiEvent->type != kVstMidiType) continue; // reverse-find first free event, and put it there for (uint32_t j=(kPluginMaxMidiEvents*2)-1; j >= fMidiEventCount; --j) { if (fMidiEvents[j].type == 0) { std::memcpy(&fMidiEvents[j], vstMidiEvent, sizeof(VstMidiEvent)); break; } } } } ret = 1; break; #if ! VST_FORCE_DEPRECATED case audioMasterSetTime: // Deprecated in VST SDK 2.4 break; case audioMasterTempoAt: // Deprecated in VST SDK 2.4 ret = static_cast(fTimeInfo.tempo * 10000); break; case audioMasterGetNumAutomatableParameters: // Deprecated in VST SDK 2.4 ret = static_cast(pData->engine->getOptions().maxParameters); ret = carla_minPositive(ret, fEffect->numParams); break; case audioMasterGetParameterQuantization: // Deprecated in VST SDK 2.4 ret = 1; // full single float precision break; #endif #if 0 case audioMasterIOChanged: CARLA_ASSERT(pData->enabled); // TESTING if (! pData->enabled) { ret = 1; break; } if (x_engine->getOptions().processMode == PROCESS_MODE_CONTINUOUS_RACK) { carla_stderr2("CarlaPluginVST2::handleAudioMasterIOChanged() - plugin asked IO change, but it's not supported in rack mode"); return 0; } engineProcessLock(); m_enabled = false; engineProcessUnlock(); if (m_active) { effect->dispatcher(effect, effStopProcess, 0, 0, nullptr, 0.0f); effect->dispatcher(effect, effMainsChanged, 0, 0, nullptr, 0.0f); } reload(); if (m_active) { effect->dispatcher(effect, effMainsChanged, 0, 1, nullptr, 0.0f); effect->dispatcher(effect, effStartProcess, 0, 0, nullptr, 0.0f); } x_engine->callback(CALLBACK_RELOAD_ALL, m_id, 0, 0, 0.0, nullptr); ret = 1; break; #endif #if ! VST_FORCE_DEPRECATED case audioMasterNeedIdle: // Deprecated in VST SDK 2.4 fNeedIdle = true; ret = 1; break; #endif case audioMasterSizeWindow: CARLA_SAFE_ASSERT_BREAK(fUI.window != nullptr); CARLA_SAFE_ASSERT_BREAK(index > 0); CARLA_SAFE_ASSERT_BREAK(value > 0); fUI.window->setSize(static_cast(index), static_cast(value), true); ret = 1; break; case audioMasterGetSampleRate: ret = static_cast(pData->engine->getSampleRate()); break; case audioMasterGetBlockSize: ret = static_cast(pData->engine->getBufferSize()); break; case audioMasterGetInputLatency: ret = 0; break; case audioMasterGetOutputLatency: ret = 0; break; #if ! VST_FORCE_DEPRECATED case audioMasterGetPreviousPlug: // Deprecated in VST SDK 2.4 // TODO break; case audioMasterGetNextPlug: // Deprecated in VST SDK 2.4 // TODO break; case audioMasterWillReplaceOrAccumulate: // Deprecated in VST SDK 2.4 ret = 1; // replace break; #endif case audioMasterGetCurrentProcessLevel: if (pthread_equal(pthread_self(), fProcThread)) { CARLA_SAFE_ASSERT(fIsProcessing); if (pData->engine->isOffline()) ret = kVstProcessLevelOffline; else ret = kVstProcessLevelRealtime; } else { ret = kVstProcessLevelUser; } break; case audioMasterGetAutomationState: ret = pData->active ? kVstAutomationReadWrite : kVstAutomationOff; break; case audioMasterOfflineStart: case audioMasterOfflineRead: case audioMasterOfflineWrite: case audioMasterOfflineGetCurrentPass: case audioMasterOfflineGetCurrentMetaPass: // TODO break; #if ! VST_FORCE_DEPRECATED case audioMasterSetOutputSampleRate: // Deprecated in VST SDK 2.4 break; case audioMasterGetOutputSpeakerArrangement: // Deprecated in VST SDK 2.4 // TODO break; #endif case audioMasterVendorSpecific: // TODO - cockos extensions break; #if ! VST_FORCE_DEPRECATED case audioMasterSetIcon: // Deprecated in VST SDK 2.4 break; #endif #if ! VST_FORCE_DEPRECATED case audioMasterOpenWindow: case audioMasterCloseWindow: // Deprecated in VST SDK 2.4 // TODO break; #endif case audioMasterGetDirectory: // TODO break; case audioMasterUpdateDisplay: // Idle UI if visible if (fUI.isVisible) dispatcher(effEditIdle, 0, 0, nullptr, 0.0f); // Update current program if (pData->prog.count > 0) { const int32_t current = static_cast(dispatcher(effGetProgram, 0, 0, nullptr, 0.0f)); if (current >= 0 && current < static_cast(pData->prog.count)) { char strBuf[STR_MAX+1] = { '\0' }; dispatcher(effGetProgramName, 0, 0, strBuf, 0.0f); if (pData->prog.names[current] != nullptr) delete[] pData->prog.names[current]; pData->prog.names[current] = carla_strdup(strBuf); if (pData->prog.current != current) { pData->prog.current = current; pData->engine->callback(ENGINE_CALLBACK_PROGRAM_CHANGED, pData->id, current, 0, 0.0f, nullptr); } } } pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, 0, 0, 0.0f, nullptr); ret = 1; break; case audioMasterBeginEdit: case audioMasterEndEdit: // TODO break; case audioMasterOpenFileSelector: case audioMasterCloseFileSelector: // TODO break; #if ! VST_FORCE_DEPRECATED case audioMasterEditFile: // Deprecated in VST SDK 2.4 // TODO break; case audioMasterGetChunkFile: // Deprecated in VST SDK 2.4 // TODO break; case audioMasterGetInputSpeakerArrangement: // Deprecated in VST SDK 2.4 // TODO break; #endif default: carla_debug("CarlaPluginVST2::handleAudioMasterCallback(%02i:%s, %i, " P_INTPTR ", %p, %f) UNDEF", opcode, vstMasterOpcode2str(opcode), index, value, ptr, opt); break; } return ret; // unused (void)opt; } bool canDo(const char* const feature) const noexcept { try { return (fEffect->dispatcher(fEffect, effCanDo, 0, 0, const_cast(feature), 0.0f) == 1); } CARLA_SAFE_EXCEPTION_RETURN("vstPluginCanDo", false); } bool hasMidiInput() const noexcept { return (canDo("receiveVstEvents") || canDo("receiveVstMidiEvent") || (fEffect->flags & effFlagsIsSynth) > 0 || (pData->hints & PLUGIN_WANTS_MIDI_INPUT)); } bool hasMidiOutput() const noexcept { return (canDo("sendVstEvents") || canDo("sendVstMidiEvent")); } // ------------------------------------------------------------------- const void* getNativeDescriptor() const noexcept override { return fEffect; } // ------------------------------------------------------------------- public: bool init(const char* const filename, const char* const name, const int64_t uniqueId, const uint options) { 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 (filename == nullptr || filename[0] == '\0') { pData->engine->setLastError("null filename"); return false; } // --------------------------------------------------------------- VST_Function vstFn; #ifdef CARLA_OS_MAC CarlaString filenameCheck(filename); filenameCheck.toLower(); if (filenameCheck.endsWith(".vst") || filenameCheck.endsWith(".vst/")) { // FIXME assert returns, set engine error const CFURLRef urlRef = CFURLCreateFromFileSystemRepresentation(0, (const UInt8*)filename, (CFIndex)strlen(filename), true); CARLA_SAFE_ASSERT_RETURN(urlRef != nullptr, false); fMacBundleRef = CFBundleCreate(kCFAllocatorDefault, urlRef); CFRelease(urlRef); CARLA_SAFE_ASSERT_RETURN(fMacBundleRef != nullptr, false); if (! CFBundleLoadExecutable(fMacBundleRef)) { CFRelease(fMacBundleRef); pData->engine->setLastError("Failed to load VST bundle executable"); return false; } vstFn = (VST_Function)CFBundleGetFunctionPointerForName(fMacBundleRef, CFSTR("main_macho")); if (vstFn == nullptr) vstFn = (VST_Function)CFBundleGetFunctionPointerForName(fMacBundleRef, CFSTR("VSTPluginMain")); if (vstFn == nullptr) { CFBundleUnloadExecutable(fMacBundleRef); CFRelease(fMacBundleRef); pData->engine->setLastError("Not a VST plugin"); return false; } fMacBundleRefNum = CFBundleOpenBundleResourceMap(fMacBundleRef); } else #endif { // ----------------------------------------------------------- // open DLL if (! pData->libOpen(filename)) { pData->engine->setLastError(pData->libError(filename)); return false; } // ----------------------------------------------------------- // get DLL main entry vstFn = pData->libSymbol("VSTPluginMain"); if (vstFn == nullptr) { vstFn = pData->libSymbol("main"); if (vstFn == nullptr) { pData->engine->setLastError("Could not find the VST main entry in the plugin library"); return false; } } } // --------------------------------------------------------------- // initialize plugin (part 1) sCurrentUniqueId = uniqueId; sLastCarlaPluginVST2 = this; try { fEffect = vstFn(carla_vst_audioMasterCallback); } CARLA_SAFE_EXCEPTION_RETURN("Vst init", false); sLastCarlaPluginVST2 = nullptr; sCurrentUniqueId = 0; if (fEffect == nullptr) { pData->engine->setLastError("Plugin failed to initialize"); return false; } if (fEffect->magic != kEffectMagic) { pData->engine->setLastError("Plugin is not valid (wrong vst effect magic code)"); return false; } fEffect->ptr1 = this; dispatcher(effIdentify, 0, 0, 0, 0); dispatcher(effSetProcessPrecision, 0, kVstProcessPrecision32, nullptr, 0.0f); dispatcher(effSetBlockSizeAndSampleRate, 0, static_cast(pData->engine->getBufferSize()), nullptr, static_cast(pData->engine->getSampleRate())); dispatcher(effSetSampleRate, 0, 0, nullptr, static_cast(pData->engine->getSampleRate())); dispatcher(effSetBlockSize, 0, static_cast(pData->engine->getBufferSize()), nullptr, 0.0f); dispatcher(effOpen, 0, 0, nullptr, 0.0f); // --------------------------------------------------------------- // get info if (name != nullptr && name[0] != '\0') { pData->name = pData->engine->getUniquePluginName(name); } else { char strBuf[STR_MAX+1]; carla_zeroChars(strBuf, STR_MAX+1); dispatcher(effGetEffectName, 0, 0, strBuf, 0.0f); if (strBuf[0] != '\0') pData->name = pData->engine->getUniquePluginName(strBuf); else if (const char* const shortname = std::strrchr(filename, CARLA_OS_SEP)) pData->name = pData->engine->getUniquePluginName(shortname+1); else pData->name = pData->engine->getUniquePluginName("unknown"); } pData->filename = carla_strdup(filename); // --------------------------------------------------------------- // register client pData->client = pData->engine->addClient(this); if (pData->client == nullptr || ! pData->client->isOk()) { pData->engine->setLastError("Failed to register plugin client"); return false; } // --------------------------------------------------------------- // initialize plugin (part 2) for (int i = fEffect->numInputs; --i >= 0;) dispatcher(effConnectInput, i, 1, 0, 0); for (int i = fEffect->numOutputs; --i >= 0;) dispatcher(effConnectOutput, i, 1, 0, 0); if (dispatcher(effGetVstVersion, 0, 0, nullptr, 0.0f) < kVstVersion) pData->hints |= PLUGIN_USES_OLD_VSTSDK; static const char kHasCockosExtensions[] = "hasCockosExtensions"; if (static_cast(dispatcher(effCanDo, 0, 0, const_cast(kHasCockosExtensions), 0.0f)) == 0xbeef0000) pData->hints |= PLUGIN_HAS_COCKOS_EXTENSIONS; // --------------------------------------------------------------- // set default options pData->options = 0x0; if (pData->latency.frames != 0 || hasMidiOutput()) pData->options |= PLUGIN_OPTION_FIXED_BUFFERS; else if (options & PLUGIN_OPTION_FIXED_BUFFERS) pData->options |= PLUGIN_OPTION_FIXED_BUFFERS; if (fEffect->numPrograms > 1) pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; if (fEffect->flags & effFlagsProgramChunks) pData->options |= PLUGIN_OPTION_USE_CHUNKS; if (hasMidiInput()) { pData->options |= PLUGIN_OPTION_SEND_CHANNEL_PRESSURE; pData->options |= PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH; pData->options |= PLUGIN_OPTION_SEND_PITCHBEND; pData->options |= PLUGIN_OPTION_SEND_ALL_SOUND_OFF; if (options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) pData->options |= PLUGIN_OPTION_SEND_CONTROL_CHANGES; if (options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; } return true; // unused (void)uniqueId; } private: int fUnique1; AEffect* fEffect; uint32_t fMidiEventCount; VstMidiEvent fMidiEvents[kPluginMaxMidiEvents*2]; VstTimeInfo fTimeInfo; bool fNeedIdle; void* fLastChunk; bool fIsProcessing; pthread_t fMainThread; pthread_t fProcThread; #ifdef CARLA_OS_MAC CFBundleRef fMacBundleRef; CFBundleRefNum fMacBundleRefNum; #endif struct FixedVstEvents { int32_t numEvents; intptr_t reserved; VstEvent* data[kPluginMaxMidiEvents*2]; FixedVstEvents() noexcept : numEvents(0), reserved(0) { carla_zeroPointers(data, kPluginMaxMidiEvents*2); } CARLA_DECLARE_NON_COPY_STRUCT(FixedVstEvents); } fEvents; struct UI { bool isVisible; CarlaPluginUI* window; UI() noexcept : isVisible(false), window(nullptr) {} ~UI() { CARLA_ASSERT(! isVisible); if (window != nullptr) { delete window; window = nullptr; } } CARLA_DECLARE_NON_COPY_STRUCT(UI); } fUI; int fUnique2; static intptr_t sCurrentUniqueId; static CarlaPluginVST2* sLastCarlaPluginVST2; // ------------------------------------------------------------------- static bool compareMagic (int32_t magic, const char* name) noexcept { return magic == (int32_t)ByteOrder::littleEndianInt (name) || magic == (int32_t)ByteOrder::bigEndianInt (name); } static int32_t fxbSwap(const int32_t x) noexcept { return (int32_t)ByteOrder::swapIfLittleEndian ((uint32_t) x); } bool loadOldSaveFormat(const void* const data, const std::size_t dataSize) { if (dataSize < 28) return false; const int32_t* const set = (const int32_t*)data; if (! compareMagic(set[0], "CcnK")) return false; if (! compareMagic(set[2], "FBCh")) return false; if (fxbSwap(set[3]) > 1) return false; const int32_t chunkSize = fxbSwap(set[39]); CARLA_SAFE_ASSERT_RETURN(chunkSize > 0, false); if (static_cast(chunkSize + 160) > dataSize) return false; setChunkData(&set[40], static_cast(chunkSize)); return true; } static intptr_t carla_vst_hostCanDo(const char* const feature) { carla_debug("carla_vst_hostCanDo(\"%s\")", feature); if (std::strcmp(feature, "supplyIdle") == 0) return 1; if (std::strcmp(feature, "sendVstEvents") == 0) return 1; if (std::strcmp(feature, "sendVstMidiEvent") == 0) return 1; if (std::strcmp(feature, "sendVstMidiEventFlagIsRealtime") == 0) return 1; if (std::strcmp(feature, "sendVstTimeInfo") == 0) return 1; if (std::strcmp(feature, "receiveVstEvents") == 0) return 1; if (std::strcmp(feature, "receiveVstMidiEvent") == 0) return 1; if (std::strcmp(feature, "receiveVstTimeInfo") == 0) return -1; if (std::strcmp(feature, "reportConnectionChanges") == 0) return -1; if (std::strcmp(feature, "acceptIOChanges") == 0) return 1; if (std::strcmp(feature, "sizeWindow") == 0) return 1; if (std::strcmp(feature, "offline") == 0) return -1; if (std::strcmp(feature, "openFileSelector") == 0) return -1; if (std::strcmp(feature, "closeFileSelector") == 0) return -1; if (std::strcmp(feature, "startStopProcess") == 0) return 1; if (std::strcmp(feature, "supportShell") == 0) return 1; if (std::strcmp(feature, "shellCategory") == 0) return 1; if (std::strcmp(feature, "NIMKPIVendorSpecificCallbacks") == 0) return -1; // unimplemented carla_stderr("carla_vst_hostCanDo(\"%s\") - unknown feature", feature); return 0; } static intptr_t VSTCALLBACK carla_vst_audioMasterCallback(AEffect* effect, int32_t opcode, int32_t index, intptr_t value, void* ptr, float opt) { #if defined(DEBUG) && ! defined(CARLA_OS_WIN) if (opcode != audioMasterGetTime && opcode != audioMasterProcessEvents && opcode != audioMasterGetCurrentProcessLevel && opcode != audioMasterGetOutputLatency) carla_debug("carla_vst_audioMasterCallback(%p, %02i:%s, %i, " P_INTPTR ", %p, %f)", effect, opcode, vstMasterOpcode2str(opcode), index, value, ptr, opt); #endif switch (opcode) { case audioMasterVersion: return kVstVersion; case audioMasterCurrentId: if (sCurrentUniqueId != 0) return sCurrentUniqueId; break; case audioMasterGetVendorString: CARLA_SAFE_ASSERT_RETURN(ptr != nullptr, 0); std::strcpy((char*)ptr, "falkTX"); return 1; case audioMasterGetProductString: CARLA_SAFE_ASSERT_RETURN(ptr != nullptr, 0); std::strcpy((char*)ptr, "Carla"); return 1; case audioMasterGetVendorVersion: return CARLA_VERSION_HEX; case audioMasterCanDo: CARLA_SAFE_ASSERT_RETURN(ptr != nullptr, 0); return carla_vst_hostCanDo((const char*)ptr); case audioMasterGetLanguage: return kVstLangEnglish; } // Check if 'resvd1' points to us, otherwise register ourselfs if possible CarlaPluginVST2* self = nullptr; if (effect != nullptr) { if (effect->ptr1 != nullptr) { self = (CarlaPluginVST2*)effect->ptr1; if (self->fUnique1 != self->fUnique2) self = nullptr; } if (self != nullptr) { if (self->fEffect == nullptr) self->fEffect = effect; if (self->fEffect != effect) { carla_stderr2("carla_vst_audioMasterCallback() - host pointer mismatch: %p != %p", self->fEffect, effect); self = nullptr; } } else if (sLastCarlaPluginVST2 != nullptr) { effect->ptr1 = sLastCarlaPluginVST2; self = sLastCarlaPluginVST2; } } return (self != nullptr) ? self->handleAudioMasterCallback(opcode, index, value, ptr, opt) : 0; } CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginVST2) }; intptr_t CarlaPluginVST2::sCurrentUniqueId = 0; CarlaPluginVST2* CarlaPluginVST2::sLastCarlaPluginVST2 = nullptr; CARLA_BACKEND_END_NAMESPACE // ------------------------------------------------------------------------------------------------------------------- CARLA_BACKEND_START_NAMESPACE CarlaPlugin* CarlaPlugin::newVST2(const Initializer& init) { carla_debug("CarlaPlugin::newVST2({%p, \"%s\", \"%s\", " P_INT64 "})", init.engine, init.filename, init.name, init.uniqueId); CarlaPluginVST2* const plugin(new CarlaPluginVST2(init.engine, init.id)); if (! plugin->init(init.filename, init.name, init.uniqueId, init.options)) { delete plugin; return nullptr; } return plugin; } // ------------------------------------------------------------------------------------------------------------------- CARLA_BACKEND_END_NAMESPACE