/* * Carla LV2 Plugin * Copyright (C) 2011-2017 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. */ // testing macros // #define LV2_UIS_ONLY_BRIDGES // #define LV2_UIS_ONLY_INPROCESS #include "CarlaPluginInternal.hpp" #include "CarlaEngine.hpp" #include "CarlaLv2Utils.hpp" #include "CarlaBase64Utils.hpp" #include "CarlaEngineUtils.hpp" #include "CarlaPipeUtils.hpp" #include "CarlaPluginUI.hpp" #include "Lv2AtomRingBuffer.hpp" #include "../engine/CarlaEngineOsc.hpp" #include "../modules/lilv/config/lilv_config.h" extern "C" { #include "rtmempool/rtmempool-lv2.h" } #include "water/files/File.h" #include #include using water::File; #define URI_CARLA_ATOM_WORKER "http://kxstudio.sf.net/ns/carla/atomWorker" CARLA_BACKEND_START_NAMESPACE // ------------------------------------------------------------------------------------------------------------------- // Fallback data static const CustomData kCustomDataFallback = { nullptr, nullptr, nullptr }; static /* */ CustomData kCustomDataFallbackNC = { nullptr, nullptr, nullptr }; static const ExternalMidiNote kExternalMidiNoteFallback = { -1, 0, 0 }; // ------------------------------------------------------------------------------------------------------------------- // Maximum default buffer size const uint MAX_DEFAULT_BUFFER_SIZE = 8192; // 0x2000 // Extra Plugin Hints const uint PLUGIN_HAS_EXTENSION_OPTIONS = 0x01000; const uint PLUGIN_HAS_EXTENSION_PROGRAMS = 0x02000; const uint PLUGIN_HAS_EXTENSION_STATE = 0x04000; const uint PLUGIN_HAS_EXTENSION_WORKER = 0x08000; const uint PLUGIN_HAS_EXTENSION_INLINE_DISPLAY = 0x10000; // Extra Parameter Hints const uint PARAMETER_IS_STRICT_BOUNDS = 0x1000; const uint PARAMETER_IS_TRIGGER = 0x2000; // LV2 Event Data/Types const uint CARLA_EVENT_DATA_ATOM = 0x01; const uint CARLA_EVENT_DATA_EVENT = 0x02; const uint CARLA_EVENT_DATA_MIDI_LL = 0x04; const uint CARLA_EVENT_TYPE_MESSAGE = 0x10; // unused const uint CARLA_EVENT_TYPE_MIDI = 0x20; const uint CARLA_EVENT_TYPE_TIME = 0x40; // LV2 URI Map Ids enum CarlaLv2URIDs { kUridNull = 0, kUridAtomBlank, kUridAtomBool, kUridAtomChunk, kUridAtomDouble, kUridAtomEvent, kUridAtomFloat, kUridAtomInt, kUridAtomLiteral, kUridAtomLong, kUridAtomNumber, kUridAtomObject, kUridAtomPath, kUridAtomProperty, kUridAtomResource, kUridAtomSequence, kUridAtomSound, kUridAtomString, kUridAtomTuple, kUridAtomURI, kUridAtomURID, kUridAtomVector, kUridAtomTransferAtom, kUridAtomTransferEvent, kUridBufMaxLength, kUridBufMinLength, kUridBufNominalLength, kUridBufSequenceSize, kUridLogError, kUridLogNote, kUridLogTrace, kUridLogWarning, // time base type kUridTimePosition, // time values kUridTimeBar, kUridTimeBarBeat, kUridTimeBeat, kUridTimeBeatUnit, kUridTimeBeatsPerBar, kUridTimeBeatsPerMinute, kUridTimeFrame, kUridTimeFramesPerSecond, kUridTimeSpeed, kUridTimeTicksPerBeat, kUridMidiEvent, kUridParamSampleRate, kUridWindowTitle, kUridCarlaAtomWorker, kUridCarlaTransientWindowId, kUridCount }; // LV2 Feature Ids enum CarlaLv2Features { // DSP features kFeatureIdBufSizeBounded = 0, kFeatureIdBufSizeFixed, kFeatureIdBufSizePowerOf2, kFeatureIdEvent, kFeatureIdHardRtCapable, kFeatureIdInPlaceBroken, kFeatureIdIsLive, kFeatureIdLogs, kFeatureIdOptions, kFeatureIdPrograms, kFeatureIdResizePort, kFeatureIdRtMemPool, kFeatureIdRtMemPoolOld, kFeatureIdStateMakePath, kFeatureIdStateMapPath, kFeatureIdStrictBounds, kFeatureIdUriMap, kFeatureIdUridMap, kFeatureIdUridUnmap, kFeatureIdWorker, kFeatureIdInlineDisplay, kFeatureCountPlugin, // UI features kFeatureIdUiDataAccess = kFeatureCountPlugin, kFeatureIdUiInstanceAccess, kFeatureIdUiIdleInterface, kFeatureIdUiFixedSize, kFeatureIdUiMakeResident, kFeatureIdUiMakeResident2, kFeatureIdUiNoUserResize, kFeatureIdUiParent, kFeatureIdUiPortMap, kFeatureIdUiPortSubscribe, kFeatureIdUiResize, kFeatureIdUiTouch, kFeatureIdExternalUi, kFeatureIdExternalUiOld, kFeatureCountAll }; // ------------------------------------------------------------------------------------------------------------------- struct Lv2EventData { uint32_t type; uint32_t rindex; CarlaEngineEventPort* port; union { LV2_Atom_Buffer* atom; LV2_Event_Buffer* event; LV2_MIDI midi; }; Lv2EventData() noexcept : type(0x0), rindex(0), port(nullptr) {} ~Lv2EventData() noexcept { if (port != nullptr) { delete port; port = nullptr; } const uint32_t rtype(type); type = 0x0; if (rtype & CARLA_EVENT_DATA_ATOM) { CARLA_SAFE_ASSERT_RETURN(atom != nullptr,); std::free(atom); atom = nullptr; } else if (rtype & CARLA_EVENT_DATA_EVENT) { CARLA_SAFE_ASSERT_RETURN(event != nullptr,); std::free(event); event = nullptr; } else if (rtype & CARLA_EVENT_DATA_MIDI_LL) { CARLA_SAFE_ASSERT_RETURN(midi.data != nullptr,); delete[] midi.data; midi.data = nullptr; } } CARLA_DECLARE_NON_COPY_STRUCT(Lv2EventData) }; struct CarlaPluginLV2EventData { uint32_t count; Lv2EventData* data; Lv2EventData* ctrl; // default port, either this->data[x] or pData->portIn/Out uint32_t ctrlIndex; CarlaPluginLV2EventData() noexcept : count(0), data(nullptr), ctrl(nullptr), ctrlIndex(0) {} ~CarlaPluginLV2EventData() noexcept { CARLA_SAFE_ASSERT_INT(count == 0, count); CARLA_SAFE_ASSERT(data == nullptr); CARLA_SAFE_ASSERT(ctrl == nullptr); CARLA_SAFE_ASSERT_INT(ctrlIndex == 0, ctrlIndex); } void createNew(const uint32_t newCount) { CARLA_SAFE_ASSERT_INT(count == 0, count); CARLA_SAFE_ASSERT_INT(ctrlIndex == 0, ctrlIndex); CARLA_SAFE_ASSERT_RETURN(data == nullptr,); CARLA_SAFE_ASSERT_RETURN(ctrl == nullptr,); CARLA_SAFE_ASSERT_RETURN(newCount > 0,); data = new Lv2EventData[newCount]; count = newCount; ctrl = nullptr; ctrlIndex = 0; } void clear() noexcept { if (data != nullptr) { for (uint32_t i=0; i < count; ++i) { if (data[i].port != nullptr && ctrl != nullptr && data[i].port == ctrl->port) data[i].port = nullptr; } delete[] data; data = nullptr; } count = 0; ctrl = nullptr; ctrlIndex = 0; } void initBuffers() const noexcept { for (uint32_t i=0; i < count; ++i) { if (data[i].port != nullptr && (ctrl == nullptr || data[i].port != ctrl->port)) data[i].port->initBuffer(); } } CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2EventData) }; // ------------------------------------------------------------------------------------------------------------------- struct CarlaPluginLV2Options { enum OptIndex { MaxBlockLenth = 0, MinBlockLenth, NominalBlockLenth, SequenceSize, SampleRate, TransientWinId, WindowTitle, Null, Count }; int maxBufferSize; int minBufferSize; int nominalBufferSize; int sequenceSize; float sampleRate; int64_t transientWinId; const char* windowTitle; LV2_Options_Option opts[Count]; CarlaPluginLV2Options() noexcept : maxBufferSize(0), minBufferSize(0), nominalBufferSize(0), sequenceSize(MAX_DEFAULT_BUFFER_SIZE), sampleRate(0.0), transientWinId(0), windowTitle(nullptr) { LV2_Options_Option& optMaxBlockLenth(opts[MaxBlockLenth]); optMaxBlockLenth.context = LV2_OPTIONS_INSTANCE; optMaxBlockLenth.subject = 0; optMaxBlockLenth.key = kUridBufMaxLength; optMaxBlockLenth.size = sizeof(int); optMaxBlockLenth.type = kUridAtomInt; optMaxBlockLenth.value = &maxBufferSize; LV2_Options_Option& optMinBlockLenth(opts[MinBlockLenth]); optMinBlockLenth.context = LV2_OPTIONS_INSTANCE; optMinBlockLenth.subject = 0; optMinBlockLenth.key = kUridBufMinLength; optMinBlockLenth.size = sizeof(int); optMinBlockLenth.type = kUridAtomInt; optMinBlockLenth.value = &minBufferSize; LV2_Options_Option& optNominalBlockLenth(opts[NominalBlockLenth]); optNominalBlockLenth.context = LV2_OPTIONS_INSTANCE; optNominalBlockLenth.subject = 0; optNominalBlockLenth.key = kUridBufNominalLength; optNominalBlockLenth.size = sizeof(int); optNominalBlockLenth.type = kUridAtomInt; optNominalBlockLenth.value = &nominalBufferSize; LV2_Options_Option& optSequenceSize(opts[SequenceSize]); optSequenceSize.context = LV2_OPTIONS_INSTANCE; optSequenceSize.subject = 0; optSequenceSize.key = kUridBufSequenceSize; optSequenceSize.size = sizeof(int); optSequenceSize.type = kUridAtomInt; optSequenceSize.value = &sequenceSize; LV2_Options_Option& optSampleRate(opts[SampleRate]); optSampleRate.context = LV2_OPTIONS_INSTANCE; optSampleRate.subject = 0; optSampleRate.key = kUridParamSampleRate; optSampleRate.size = sizeof(float); optSampleRate.type = kUridAtomFloat; optSampleRate.value = &sampleRate; LV2_Options_Option& optTransientWinId(opts[TransientWinId]); optTransientWinId.context = LV2_OPTIONS_INSTANCE; optTransientWinId.subject = 0; optTransientWinId.key = kUridCarlaTransientWindowId; optTransientWinId.size = sizeof(int64_t); optTransientWinId.type = kUridAtomLong; optTransientWinId.value = &transientWinId; LV2_Options_Option& optWindowTitle(opts[WindowTitle]); optWindowTitle.context = LV2_OPTIONS_INSTANCE; optWindowTitle.subject = 0; optWindowTitle.key = kUridWindowTitle; optWindowTitle.size = 0; optWindowTitle.type = kUridAtomString; optWindowTitle.value = nullptr; LV2_Options_Option& optNull(opts[Null]); optNull.context = LV2_OPTIONS_INSTANCE; optNull.subject = 0; optNull.key = kUridNull; optNull.size = 0; optNull.type = kUridNull; optNull.value = nullptr; } ~CarlaPluginLV2Options() noexcept { LV2_Options_Option& optWindowTitle(opts[WindowTitle]); optWindowTitle.size = 0; optWindowTitle.value = nullptr; if (windowTitle != nullptr) { delete[] windowTitle; windowTitle = nullptr; } } CARLA_DECLARE_NON_COPY_STRUCT(CarlaPluginLV2Options); }; // ------------------------------------------------------------------------------------------------------------------- class CarlaPluginLV2; class CarlaPipeServerLV2 : public CarlaPipeServer { public: enum UiState { UiNone = 0, UiHide, UiShow, UiCrashed }; CarlaPipeServerLV2(CarlaEngine* const engine, CarlaPluginLV2* const plugin) : kEngine(engine), kPlugin(plugin), fFilename(), fPluginURI(), fUiURI(), fUiState(UiNone) {} ~CarlaPipeServerLV2() noexcept override { CARLA_SAFE_ASSERT_INT(fUiState == UiNone, fUiState); } UiState getAndResetUiState() noexcept { const UiState uiState(fUiState); fUiState = UiNone; return uiState; } void setData(const char* const filename, const char* const pluginURI, const char* const uiURI) noexcept { fFilename = filename; fPluginURI = pluginURI; fUiURI = uiURI; } bool startPipeServer(const int size) noexcept { const ScopedEngineEnvironmentLocker _seel(kEngine); const ScopedEnvVar _sev1("LV2_PATH", kEngine->getOptions().pathLV2); #ifdef CARLA_OS_LINUX const ScopedEnvVar _sev2("LD_PRELOAD", nullptr); #endif char sampleRateStr[32]; carla_zeroChars(sampleRateStr, 32); std::snprintf(sampleRateStr, 31, "%f", kEngine->getSampleRate()); carla_setenv("CARLA_SAMPLE_RATE", sampleRateStr); return CarlaPipeServer::startPipeServer(fFilename, fPluginURI, fUiURI, size); } void writeUiTitleMessage(const char* const title) const noexcept { CARLA_SAFE_ASSERT_RETURN(title != nullptr && title[0] != '\0',); const CarlaMutexLocker cml(getPipeLock()); if (! _writeMsgBuffer("uiTitle\n", 8)) return; if (! writeAndFixMessage(title)) return; flushMessages(); } protected: // returns true if msg was handled bool msgReceived(const char* const msg) noexcept override; private: CarlaEngine* const kEngine; CarlaPluginLV2* const kPlugin; CarlaString fFilename; CarlaString fPluginURI; CarlaString fUiURI; UiState fUiState; CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPipeServerLV2) }; // ------------------------------------------------------------------------------------------------------------------- class CarlaPluginLV2 : public CarlaPlugin, private CarlaPluginUI::Callback { public: CarlaPluginLV2(CarlaEngine* const engine, const uint id) : CarlaPlugin(engine, id), fHandle(nullptr), fHandle2(nullptr), fDescriptor(nullptr), fRdfDescriptor(nullptr), fAudioInBuffers(nullptr), fAudioOutBuffers(nullptr), fCvInBuffers(nullptr), fCvOutBuffers(nullptr), fParamBuffers(nullptr), fCanInit2(true), fNeedsFixedBuffers(false), fNeedsUiClose(false), fLatencyIndex(-1), fStrictBounds(-1), fAtomBufferIn(), fAtomBufferOut(), fAtomForge(), fTmpAtomBuffer(nullptr), fEventsIn(), fEventsOut(), fLv2Options(), fPipeServer(engine, this), fCustomURIDs(kUridCount, std::string("urn:null")), fFirstActive(true), fLastStateChunk(nullptr), fLastTimeInfo(), fExt(), fUI() { carla_debug("CarlaPluginLV2::CarlaPluginLV2(%p, %i)", engine, id); CARLA_SAFE_ASSERT(fCustomURIDs.size() == kUridCount); carla_zeroPointers(fFeatures, kFeatureCountAll+1); #if defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wdeprecated-declarations" #elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wdeprecated-declarations" #endif fAtomForge.Blank = kUridAtomBlank; fAtomForge.Bool = kUridAtomBool; fAtomForge.Chunk = kUridAtomChunk; fAtomForge.Double = kUridAtomDouble; fAtomForge.Float = kUridAtomFloat; fAtomForge.Int = kUridAtomInt; fAtomForge.Literal = kUridAtomLiteral; fAtomForge.Long = kUridAtomLong; fAtomForge.Object = kUridAtomObject; fAtomForge.Path = kUridAtomPath; fAtomForge.Property = kUridAtomProperty; fAtomForge.Resource = kUridAtomResource; fAtomForge.Sequence = kUridAtomSequence; fAtomForge.String = kUridAtomString; fAtomForge.Tuple = kUridAtomTuple; fAtomForge.URI = kUridAtomURI; fAtomForge.URID = kUridAtomURID; fAtomForge.Vector = kUridAtomVector; #if defined(__clang__) # pragma clang diagnostic pop #elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) # pragma GCC diagnostic pop #endif } ~CarlaPluginLV2() override { carla_debug("CarlaPluginLV2::~CarlaPluginLV2()"); // close UI if (fUI.type != UI::TYPE_NULL) { showCustomUI(false); if (fUI.type == UI::TYPE_BRIDGE) { fPipeServer.stopPipeServer(pData->engine->getOptions().uiBridgesTimeout); } else { if (fFeatures[kFeatureIdUiDataAccess] != nullptr && fFeatures[kFeatureIdUiDataAccess]->data != nullptr) delete (LV2_Extension_Data_Feature*)fFeatures[kFeatureIdUiDataAccess]->data; if (fFeatures[kFeatureIdUiPortMap] != nullptr && fFeatures[kFeatureIdUiPortMap]->data != nullptr) delete (LV2UI_Port_Map*)fFeatures[kFeatureIdUiPortMap]->data; if (fFeatures[kFeatureIdUiResize] != nullptr && fFeatures[kFeatureIdUiResize]->data != nullptr) delete (LV2UI_Resize*)fFeatures[kFeatureIdUiResize]->data; if (fFeatures[kFeatureIdExternalUi] != nullptr && fFeatures[kFeatureIdExternalUi]->data != nullptr) delete (LV2_External_UI_Host*)fFeatures[kFeatureIdExternalUi]->data; fUI.descriptor = nullptr; pData->uiLibClose(); } #ifndef LV2_UIS_ONLY_BRIDGES if (fUI.window != nullptr) { delete fUI.window; fUI.window = nullptr; } #endif fUI.rdfDescriptor = nullptr; } pData->singleMutex.lock(); pData->masterMutex.lock(); if (pData->client != nullptr && pData->client->isActive()) pData->client->deactivate(); if (pData->active) { deactivate(); pData->active = false; } if (fDescriptor != nullptr) { if (fDescriptor->cleanup != nullptr) { if (fHandle != nullptr) fDescriptor->cleanup(fHandle); if (fHandle2 != nullptr) fDescriptor->cleanup(fHandle2); } fHandle = nullptr; fHandle2 = nullptr; fDescriptor = nullptr; } if (fRdfDescriptor != nullptr) { delete fRdfDescriptor; fRdfDescriptor = nullptr; } if (fFeatures[kFeatureIdEvent] != nullptr && fFeatures[kFeatureIdEvent]->data != nullptr) delete (LV2_Event_Feature*)fFeatures[kFeatureIdEvent]->data; if (fFeatures[kFeatureIdLogs] != nullptr && fFeatures[kFeatureIdLogs]->data != nullptr) delete (LV2_Log_Log*)fFeatures[kFeatureIdLogs]->data; if (fFeatures[kFeatureIdStateMakePath] != nullptr && fFeatures[kFeatureIdStateMakePath]->data != nullptr) delete (LV2_State_Make_Path*)fFeatures[kFeatureIdStateMakePath]->data; if (fFeatures[kFeatureIdStateMapPath] != nullptr && fFeatures[kFeatureIdStateMapPath]->data != nullptr) delete (LV2_State_Map_Path*)fFeatures[kFeatureIdStateMapPath]->data; if (fFeatures[kFeatureIdPrograms] != nullptr && fFeatures[kFeatureIdPrograms]->data != nullptr) delete (LV2_Programs_Host*)fFeatures[kFeatureIdPrograms]->data; if (fFeatures[kFeatureIdResizePort] != nullptr && fFeatures[kFeatureIdResizePort]->data != nullptr) delete (LV2_Resize_Port_Resize*)fFeatures[kFeatureIdResizePort]->data; if (fFeatures[kFeatureIdRtMemPool] != nullptr && fFeatures[kFeatureIdRtMemPool]->data != nullptr) delete (LV2_RtMemPool_Pool*)fFeatures[kFeatureIdRtMemPool]->data; if (fFeatures[kFeatureIdRtMemPoolOld] != nullptr && fFeatures[kFeatureIdRtMemPoolOld]->data != nullptr) delete (LV2_RtMemPool_Pool_Deprecated*)fFeatures[kFeatureIdRtMemPoolOld]->data; if (fFeatures[kFeatureIdUriMap] != nullptr && fFeatures[kFeatureIdUriMap]->data != nullptr) delete (LV2_URI_Map_Feature*)fFeatures[kFeatureIdUriMap]->data; if (fFeatures[kFeatureIdUridMap] != nullptr && fFeatures[kFeatureIdUridMap]->data != nullptr) delete (LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data; if (fFeatures[kFeatureIdUridUnmap] != nullptr && fFeatures[kFeatureIdUridUnmap]->data != nullptr) delete (LV2_URID_Unmap*)fFeatures[kFeatureIdUridUnmap]->data; if (fFeatures[kFeatureIdWorker] != nullptr && fFeatures[kFeatureIdWorker]->data != nullptr) delete (LV2_Worker_Schedule*)fFeatures[kFeatureIdWorker]->data; if (fFeatures[kFeatureIdInlineDisplay] != nullptr && fFeatures[kFeatureIdInlineDisplay]->data != nullptr) delete (LV2_Inline_Display*)fFeatures[kFeatureIdInlineDisplay]->data; for (uint32_t i=0; i < kFeatureCountAll; ++i) { if (fFeatures[i] != nullptr) { delete fFeatures[i]; fFeatures[i] = nullptr; } } if (fLastStateChunk != nullptr) { std::free(fLastStateChunk); fLastStateChunk = nullptr; } if (fTmpAtomBuffer != nullptr) { delete[] fTmpAtomBuffer; fTmpAtomBuffer = nullptr; } clearBuffers(); } // ------------------------------------------------------------------- // Information (base) PluginType getType() const noexcept override { return PLUGIN_LV2; } PluginCategory getCategory() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, CarlaPlugin::getCategory()); const LV2_Property cat1(fRdfDescriptor->Type[0]); const LV2_Property cat2(fRdfDescriptor->Type[1]); if (LV2_IS_DELAY(cat1, cat2)) return PLUGIN_CATEGORY_DELAY; if (LV2_IS_DISTORTION(cat1, cat2)) return PLUGIN_CATEGORY_OTHER; if (LV2_IS_DYNAMICS(cat1, cat2)) return PLUGIN_CATEGORY_DYNAMICS; if (LV2_IS_EQ(cat1, cat2)) return PLUGIN_CATEGORY_EQ; if (LV2_IS_FILTER(cat1, cat2)) return PLUGIN_CATEGORY_FILTER; if (LV2_IS_GENERATOR(cat1, cat2)) return PLUGIN_CATEGORY_SYNTH; if (LV2_IS_MODULATOR(cat1, cat2)) return PLUGIN_CATEGORY_MODULATOR; if (LV2_IS_REVERB(cat1, cat2)) return PLUGIN_CATEGORY_DELAY; if (LV2_IS_SIMULATOR(cat1, cat2)) return PLUGIN_CATEGORY_OTHER; if (LV2_IS_SPATIAL(cat1, cat2)) return PLUGIN_CATEGORY_OTHER; if (LV2_IS_SPECTRAL(cat1, cat2)) return PLUGIN_CATEGORY_UTILITY; if (LV2_IS_UTILITY(cat1, cat2)) return PLUGIN_CATEGORY_UTILITY; return CarlaPlugin::getCategory(); } uint32_t getLatencyInFrames() const noexcept override { if (fLatencyIndex < 0 || fParamBuffers == nullptr) return 0; const float latency(fParamBuffers[fLatencyIndex]); CARLA_SAFE_ASSERT_RETURN(latency >= 0.0f, 0); return static_cast(latency); } // ------------------------------------------------------------------- // Information (count) uint32_t getMidiInCount() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0); uint32_t count = 0; for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i) { const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types); if (LV2_IS_PORT_INPUT(portTypes) && LV2_PORT_SUPPORTS_MIDI_EVENT(portTypes)) ++count; } return count; } uint32_t getMidiOutCount() const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0); uint32_t count = 0; for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i) { const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types); if (LV2_IS_PORT_OUTPUT(portTypes) && LV2_PORT_SUPPORTS_MIDI_EVENT(portTypes)) ++count; } return count; } uint32_t getParameterScalePointCount(const uint32_t parameterId) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0); const int32_t rindex(pData->param.data[parameterId].rindex); if (rindex < static_cast(fRdfDescriptor->PortCount)) { const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]); return port->ScalePointCount; } return 0; } // ------------------------------------------------------------------- // Information (current data) // nothing // ------------------------------------------------------------------- // Information (per-plugin data) uint getOptionsAvailable() const noexcept override { uint options = 0x0; // can't disable fixed buffers if using latency or MIDI output if (fLatencyIndex == -1 && getMidiOutCount() == 0 && ! fNeedsFixedBuffers) options |= PLUGIN_OPTION_FIXED_BUFFERS; // can't disable forced stereo if enabled in the engine if (pData->engine->getOptions().forceStereo) pass(); // if inputs or outputs are just 1, then yes we can force stereo else if (((pData->audioIn.count == 1 || pData->audioOut.count == 1) && fCanInit2) || fHandle2 != nullptr) options |= PLUGIN_OPTION_FORCE_STEREO; if (fExt.programs != nullptr) options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; if (getMidiInCount() != 0) { 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(fParamBuffers != nullptr, 0.0f); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f); if (pData->param.data[parameterId].type == PARAMETER_INPUT) { if (pData->param.data[parameterId].hints & PARAMETER_IS_STRICT_BOUNDS) pData->param.ranges[parameterId].fixValue(fParamBuffers[parameterId]); } else { if (fStrictBounds >= 0 && (pData->param.data[parameterId].hints & PARAMETER_IS_STRICT_BOUNDS) == 0) pData->param.ranges[parameterId].fixValue(fParamBuffers[parameterId]); } return fParamBuffers[parameterId]; } float getParameterScalePointValue(const uint32_t parameterId, const uint32_t scalePointId) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, 0.0f); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f); const int32_t rindex(pData->param.data[parameterId].rindex); if (rindex < static_cast(fRdfDescriptor->PortCount)) { const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]); CARLA_SAFE_ASSERT_RETURN(scalePointId < port->ScalePointCount, 0.0f); const LV2_RDF_PortScalePoint* const portScalePoint(&port->ScalePoints[scalePointId]); return portScalePoint->Value; } return 0.0f; } void getLabel(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor->URI != nullptr,); std::strncpy(strBuf, fRdfDescriptor->URI, STR_MAX); } void getMaker(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); if (fRdfDescriptor->Author != nullptr) std::strncpy(strBuf, fRdfDescriptor->Author, STR_MAX); else CarlaPlugin::getMaker(strBuf); } void getCopyright(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); if (fRdfDescriptor->License != nullptr) std::strncpy(strBuf, fRdfDescriptor->License, STR_MAX); else CarlaPlugin::getCopyright(strBuf); } void getRealName(char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); if (fRdfDescriptor->Name != nullptr) std::strncpy(strBuf, fRdfDescriptor->Name, STR_MAX); else CarlaPlugin::getRealName(strBuf); } void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const int32_t rindex(pData->param.data[parameterId].rindex); if (rindex < static_cast(fRdfDescriptor->PortCount)) std::strncpy(strBuf, fRdfDescriptor->Ports[rindex].Name, STR_MAX); else CarlaPlugin::getParameterName(parameterId, strBuf); } void getParameterSymbol(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const int32_t rindex(pData->param.data[parameterId].rindex); if (rindex < static_cast(fRdfDescriptor->PortCount)) std::strncpy(strBuf, fRdfDescriptor->Ports[rindex].Symbol, STR_MAX); else CarlaPlugin::getParameterSymbol(parameterId, strBuf); } void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const int32_t rindex(pData->param.data[parameterId].rindex); if (rindex < static_cast(fRdfDescriptor->PortCount)) { const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]); if (LV2_HAVE_PORT_UNIT_SYMBOL(port->Unit.Hints) && port->Unit.Symbol != nullptr) { std::strncpy(strBuf, port->Unit.Symbol, STR_MAX); return; } if (LV2_HAVE_PORT_UNIT_UNIT(port->Unit.Hints)) { switch (port->Unit.Unit) { case LV2_PORT_UNIT_BAR: std::strncpy(strBuf, "bars", STR_MAX); return; case LV2_PORT_UNIT_BEAT: std::strncpy(strBuf, "beats", STR_MAX); return; case LV2_PORT_UNIT_BPM: std::strncpy(strBuf, "BPM", STR_MAX); return; case LV2_PORT_UNIT_CENT: std::strncpy(strBuf, "ct", STR_MAX); return; case LV2_PORT_UNIT_CM: std::strncpy(strBuf, "cm", STR_MAX); return; case LV2_PORT_UNIT_COEF: std::strncpy(strBuf, "(coef)", STR_MAX); return; case LV2_PORT_UNIT_DB: std::strncpy(strBuf, "dB", STR_MAX); return; case LV2_PORT_UNIT_DEGREE: std::strncpy(strBuf, "deg", STR_MAX); return; case LV2_PORT_UNIT_FRAME: std::strncpy(strBuf, "frames", STR_MAX); return; case LV2_PORT_UNIT_HZ: std::strncpy(strBuf, "Hz", STR_MAX); return; case LV2_PORT_UNIT_INCH: std::strncpy(strBuf, "in", STR_MAX); return; case LV2_PORT_UNIT_KHZ: std::strncpy(strBuf, "kHz", STR_MAX); return; case LV2_PORT_UNIT_KM: std::strncpy(strBuf, "km", STR_MAX); return; case LV2_PORT_UNIT_M: std::strncpy(strBuf, "m", STR_MAX); return; case LV2_PORT_UNIT_MHZ: std::strncpy(strBuf, "MHz", STR_MAX); return; case LV2_PORT_UNIT_MIDINOTE: std::strncpy(strBuf, "note", STR_MAX); return; case LV2_PORT_UNIT_MILE: std::strncpy(strBuf, "mi", STR_MAX); return; case LV2_PORT_UNIT_MIN: std::strncpy(strBuf, "min", STR_MAX); return; case LV2_PORT_UNIT_MM: std::strncpy(strBuf, "mm", STR_MAX); return; case LV2_PORT_UNIT_MS: std::strncpy(strBuf, "ms", STR_MAX); return; case LV2_PORT_UNIT_OCT: std::strncpy(strBuf, "oct", STR_MAX); return; case LV2_PORT_UNIT_PC: std::strncpy(strBuf, "%", STR_MAX); return; case LV2_PORT_UNIT_S: std::strncpy(strBuf, "s", STR_MAX); return; case LV2_PORT_UNIT_SEMITONE: std::strncpy(strBuf, "semi", STR_MAX); return; } } } CarlaPlugin::getParameterUnit(parameterId, strBuf); } void getParameterScalePointLabel(const uint32_t parameterId, const uint32_t scalePointId, char* const strBuf) const noexcept override { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const int32_t rindex(pData->param.data[parameterId].rindex); if (rindex < static_cast(fRdfDescriptor->PortCount)) { const LV2_RDF_Port* const port(&fRdfDescriptor->Ports[rindex]); CARLA_SAFE_ASSERT_RETURN(scalePointId < port->ScalePointCount,); const LV2_RDF_PortScalePoint* const portScalePoint(&port->ScalePoints[scalePointId]); if (portScalePoint->Label != nullptr) { std::strncpy(strBuf, portScalePoint->Label, STR_MAX); return; } } CarlaPlugin::getParameterScalePointLabel(parameterId, scalePointId, strBuf); } // ------------------------------------------------------------------- // Set data (state) void prepareForSave() override { CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); if (fExt.state != nullptr && fExt.state->save != nullptr) { fExt.state->save(fHandle, carla_lv2_state_store, this, LV2_STATE_IS_POD, fFeatures); if (fHandle2 != nullptr) fExt.state->save(fHandle2, carla_lv2_state_store, this, LV2_STATE_IS_POD, fFeatures); } } // ------------------------------------------------------------------- // Set data (internal stuff) void setName(const char* const newName) override { CarlaPlugin::setName(newName); if (fLv2Options.windowTitle == nullptr) return; CarlaString guiTitle(pData->name); guiTitle += " (GUI)"; delete[] fLv2Options.windowTitle; fLv2Options.windowTitle = guiTitle.dup(); fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].size = (uint32_t)std::strlen(fLv2Options.windowTitle); fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].value = fLv2Options.windowTitle; if (fFeatures[kFeatureIdExternalUi] != nullptr && fFeatures[kFeatureIdExternalUi]->data != nullptr) ((LV2_External_UI_Host*)fFeatures[kFeatureIdExternalUi]->data)->plugin_human_id = fLv2Options.windowTitle; if (fPipeServer.isPipeRunning()) fPipeServer.writeUiTitleMessage(fLv2Options.windowTitle); #ifndef LV2_UIS_ONLY_BRIDGES if (fUI.window != nullptr) fUI.window->setTitle(fLv2Options.windowTitle); #endif } // ------------------------------------------------------------------- // 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(fParamBuffers != nullptr,); CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,); const float fixedValue(pData->param.getFixedValue(parameterId, value)); fParamBuffers[parameterId] = fixedValue; CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback); } void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); CARLA_SAFE_ASSERT_RETURN(type != nullptr && type[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(value != nullptr,); carla_debug("CarlaPluginLV2::setCustomData(%s, %s, %s, %s)", type, key, value, bool2str(sendGui)); if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0) return CarlaPlugin::setCustomData(type, key, value, sendGui); // we should only call state restore once // so inject this in CarlaPlugin::loadSaveState if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) == 0 && std::strcmp(key, "CarlaLoadLv2StateNow") == 0 && std::strcmp(value, "true") == 0) { if (fExt.state == nullptr) return; LV2_State_Status status = LV2_STATE_ERR_UNKNOWN; { const ScopedSingleProcessLocker spl(this, true); try { status = fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures); } catch(...) {} if (fHandle2 != nullptr) { try { fExt.state->restore(fHandle, carla_lv2_state_retrieve, this, 0, fFeatures); } catch(...) {} } } switch (status) { case LV2_STATE_SUCCESS: carla_debug("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", , %s) - success", type, key, bool2str(sendGui)); break; case LV2_STATE_ERR_UNKNOWN: carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", , %s) - unknown error", type, key, bool2str(sendGui)); break; case LV2_STATE_ERR_BAD_TYPE: carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", , %s) - error, bad type", type, key, bool2str(sendGui)); break; case LV2_STATE_ERR_BAD_FLAGS: carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", , %s) - error, bad flags", type, key, bool2str(sendGui)); break; case LV2_STATE_ERR_NO_FEATURE: carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", , %s) - error, missing feature", type, key, bool2str(sendGui)); break; case LV2_STATE_ERR_NO_PROPERTY: carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", , %s) - error, missing property", type, key, bool2str(sendGui)); break; case LV2_STATE_ERR_NO_SPACE: carla_stderr("CarlaPluginLV2::setCustomData(\"%s\", \"%s\", , %s) - error, insufficient space", type, key, bool2str(sendGui)); break; } return; } CarlaPlugin::setCustomData(type, key, value, sendGui); } void setProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override { CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast(pData->prog.count),); if (index >= 0 && index < static_cast(fRdfDescriptor->PresetCount)) { const LV2_URID_Map* const uridMap = (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data; LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fRdfDescriptor->Presets[index].URI, uridMap); CARLA_SAFE_ASSERT_RETURN(state != nullptr,); // invalidate midi-program selection CarlaPlugin::setMidiProgram(-1, false, false, sendCallback); if (fExt.state != nullptr) { const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback)); lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures); if (fHandle2 != nullptr) lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures); } else { lilv_state_emit_port_values(state, carla_lilv_set_port_value, this); } lilv_state_free(state); } CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback); } void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override { CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast(pData->midiprog.count),); if (index >= 0 && fExt.programs != nullptr && fExt.programs->select_program != nullptr) { const uint32_t bank(pData->midiprog.data[index].bank); const uint32_t program(pData->midiprog.data[index].program); const ScopedSingleProcessLocker spl(this, (sendGui || sendOsc || sendCallback)); try { fExt.programs->select_program(fHandle, bank, program); } catch(...) {} if (fHandle2 != nullptr) { try { fExt.programs->select_program(fHandle2, bank, program); } catch(...) {} } } CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback); } // ------------------------------------------------------------------- // Set ui stuff void showCustomUI(const bool yesNo) override { CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,); const uintptr_t frontendWinId(pData->engine->getOptions().frontendWinId); if (! yesNo) pData->transientTryCounter = 0; if (fUI.type == UI::TYPE_BRIDGE) { if (yesNo) { if (fPipeServer.isPipeRunning()) { fPipeServer.writeFocusMessage(); return; } if (! fPipeServer.startPipeServer(std::min(fLv2Options.sequenceSize, 819200))) { pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr); return; } // manually write messages so we can take the lock for ourselves { char tmpBuf[0xff+1]; tmpBuf[0xff] = '\0'; const CarlaMutexLocker cml(fPipeServer.getPipeLock()); const ScopedLocale csl; // write URI mappings uint32_t u = 0; for (std::vector::iterator it=fCustomURIDs.begin(), end=fCustomURIDs.end(); it != end; ++it, ++u) { if (u < kUridCount) continue; const std::string& uri(*it); std::snprintf(tmpBuf, 0xff, "%u\n", u); if (! fPipeServer.writeMessage("urid\n", 5)) return; if (! fPipeServer.writeMessage(tmpBuf)) return; if (! fPipeServer.writeAndFixMessage(uri.c_str())) return; } // write UI options if (! fPipeServer.writeMessage("uiOptions\n", 10)) return; std::snprintf(tmpBuf, 0xff, "%g\n", pData->engine->getSampleRate()); if (! fPipeServer.writeMessage(tmpBuf)) return; std::snprintf(tmpBuf, 0xff, "%s\n", bool2str(true)); // useTheme if (! fPipeServer.writeMessage(tmpBuf)) return; std::snprintf(tmpBuf, 0xff, "%s\n", bool2str(true)); // useThemeColors if (! fPipeServer.writeMessage(tmpBuf)) return; if (! fPipeServer.writeAndFixMessage(fLv2Options.windowTitle != nullptr ? fLv2Options.windowTitle : "")) return; std::snprintf(tmpBuf, 0xff, P_INTPTR "\n", frontendWinId); if (! fPipeServer.writeMessage(tmpBuf)) return; // write parameter values for (uint32_t i=0; i < pData->param.count; ++i) { if (! fPipeServer.writeMessage("control\n", 8)) return; std::snprintf(tmpBuf, 0xff, "%i\n", pData->param.data[i].rindex); if (! fPipeServer.writeMessage(tmpBuf)) return; std::snprintf(tmpBuf, 0xff, "%f\n", getParameterValue(i)); if (! fPipeServer.writeMessage(tmpBuf)) return; } // ready to show if (! fPipeServer.writeMessage("show\n", 5)) return; fPipeServer.flushMessages(); } } else { fPipeServer.stopPipeServer(pData->engine->getOptions().uiBridgesTimeout); } return; } // take some precautions CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr,); if (yesNo) { CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->instantiate != nullptr,); CARLA_SAFE_ASSERT_RETURN(fUI.descriptor->cleanup != nullptr,); } else { if (fUI.handle == nullptr) return; } if (yesNo) { if (fUI.handle == nullptr) { #ifndef LV2_UIS_ONLY_BRIDGES if (fUI.type == UI::TYPE_EMBED && fUI.window == nullptr) { const char* msg = nullptr; switch (fUI.rdfDescriptor->Type) { case LV2_UI_GTK2: case LV2_UI_GTK3: case LV2_UI_QT4: case LV2_UI_QT5: case LV2_UI_EXTERNAL: case LV2_UI_OLD_EXTERNAL: msg = "Invalid UI type"; break; case LV2_UI_COCOA: # ifdef CARLA_OS_MAC fUI.window = CarlaPluginUI::newCocoa(this, frontendWinId, isUiResizable()); # else msg = "UI is for MacOS only"; # endif break; case LV2_UI_WINDOWS: # ifdef CARLA_OS_WIN fUI.window = CarlaPluginUI::newWindows(this, frontendWinId, isUiResizable()); # else msg = "UI is for Windows only"; # endif break; case LV2_UI_X11: # ifdef HAVE_X11 fUI.window = CarlaPluginUI::newX11(this, frontendWinId, isUiResizable()); # else msg = "UI is only for systems with X11"; # endif break; default: msg = "Unknown UI type"; break; } if (fUI.window == nullptr && fExt.uishow == nullptr) return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, msg); if (fUI.window != nullptr) fFeatures[kFeatureIdUiParent]->data = fUI.window->getPtr(); } #endif if (fUI.window != nullptr) fUI.window->setTitle(fLv2Options.windowTitle); fUI.widget = nullptr; fUI.handle = fUI.descriptor->instantiate(fUI.descriptor, fRdfDescriptor->URI, fUI.rdfDescriptor->Bundle, carla_lv2_ui_write_function, this, &fUI.widget, fFeatures); } CARLA_SAFE_ASSERT(fUI.handle != nullptr); CARLA_SAFE_ASSERT(fUI.type != UI::TYPE_EXTERNAL || fUI.widget != nullptr); if (fUI.handle == nullptr || (fUI.type == UI::TYPE_EXTERNAL && fUI.widget == nullptr)) { fUI.widget = nullptr; if (fUI.handle != nullptr) { fUI.descriptor->cleanup(fUI.handle); fUI.handle = nullptr; } return pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, -1, 0, 0.0f, "Plugin refused to open its own UI"); } updateUi(); #ifndef LV2_UIS_ONLY_BRIDGES if (fUI.type == UI::TYPE_EMBED) { if (fUI.window != nullptr) { fUI.window->setChildWindow(fUI.widget); fUI.window->show(); } else if (fExt.uishow != nullptr) { fExt.uishow->show(fUI.handle); # ifndef BUILD_BRIDGE pData->tryTransient(); # endif } } else #endif { LV2_EXTERNAL_UI_SHOW((LV2_External_UI_Widget*)fUI.widget); #ifndef BUILD_BRIDGE pData->tryTransient(); #endif } } else { #ifndef LV2_UIS_ONLY_BRIDGES if (fUI.type == UI::TYPE_EMBED) { if (fUI.window != nullptr) fUI.window->hide(); else if (fExt.uishow != nullptr) fExt.uishow->hide(fUI.handle); } else #endif { CARLA_SAFE_ASSERT(fUI.widget != nullptr); if (fUI.widget != nullptr) LV2_EXTERNAL_UI_HIDE((LV2_External_UI_Widget*)fUI.widget); } fUI.descriptor->cleanup(fUI.handle); fUI.handle = nullptr; fUI.widget = nullptr; } } void uiIdle() override { if (fAtomBufferOut.isDataAvailableForReading()) { Lv2AtomRingBuffer tmpRingBuffer(fAtomBufferOut, fTmpAtomBuffer); CARLA_SAFE_ASSERT(tmpRingBuffer.isDataAvailableForReading()); uint32_t portIndex; const LV2_Atom* atom; const bool hasPortEvent(fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && ! fNeedsUiClose); for (; tmpRingBuffer.get(atom, portIndex);) { if (atom->type == kUridCarlaAtomWorker) { CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work != nullptr); fExt.worker->work(fHandle, carla_lv2_worker_respond, this, atom->size, LV2_ATOM_BODY_CONST(atom)); } else if (fUI.type == UI::TYPE_BRIDGE) { if (fPipeServer.isPipeRunning()) fPipeServer.writeLv2AtomMessage(portIndex, atom); } else { if (hasPortEvent) fUI.descriptor->port_event(fUI.handle, portIndex, lv2_atom_total_size(atom), kUridAtomTransferEvent, atom); } } } if (fPipeServer.isPipeRunning()) { fPipeServer.idlePipe(); switch (fPipeServer.getAndResetUiState()) { case CarlaPipeServerLV2::UiNone: case CarlaPipeServerLV2::UiShow: break; case CarlaPipeServerLV2::UiHide: fPipeServer.stopPipeServer(2000); // fall through case CarlaPipeServerLV2::UiCrashed: pData->transientTryCounter = 0; pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr); break; } } else { // TODO - detect if ui-bridge crashed } if (fNeedsUiClose) { fNeedsUiClose = false; showCustomUI(false); pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr); } else if (fUI.handle != nullptr && fUI.descriptor != nullptr) { if (fUI.type == UI::TYPE_EXTERNAL && fUI.widget != nullptr) LV2_EXTERNAL_UI_RUN((LV2_External_UI_Widget*)fUI.widget); #ifndef LV2_UIS_ONLY_BRIDGES else if (fUI.type == UI::TYPE_EMBED && fUI.window != nullptr) fUI.window->idle(); // note: UI might have been closed by window idle if (fNeedsUiClose) { pass(); } else if (fUI.handle != nullptr && fExt.uiidle != nullptr && fExt.uiidle->idle(fUI.handle) != 0) { showCustomUI(false); pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr); CARLA_SAFE_ASSERT(fUI.handle == nullptr); } #endif } CarlaPlugin::uiIdle(); } // ------------------------------------------------------------------- // Plugin state void reload() override { CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); carla_debug("CarlaPluginLV2::reload() - start"); const EngineProcessMode processMode(pData->engine->getProccessMode()); // Safely disable plugin for reload const ScopedDisabler sd(this); if (pData->active) deactivate(); clearBuffers(); const float sampleRate(static_cast(pData->engine->getSampleRate())); const uint32_t portCount(fRdfDescriptor->PortCount); uint32_t aIns, aOuts, cvIns, cvOuts, params; aIns = aOuts = cvIns = cvOuts = params = 0; LinkedList evIns, evOuts; const uint32_t eventBufferSize(static_cast(fLv2Options.sequenceSize)+0xff); bool forcedStereoIn, forcedStereoOut; forcedStereoIn = forcedStereoOut = false; bool needsCtrlIn, needsCtrlOut; needsCtrlIn = needsCtrlOut = false; for (uint32_t i=0; i < portCount; ++i) { const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types); if (LV2_IS_PORT_AUDIO(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) aIns += 1; else if (LV2_IS_PORT_OUTPUT(portTypes)) aOuts += 1; } else if (LV2_IS_PORT_CV(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) cvIns += 1; else if (LV2_IS_PORT_OUTPUT(portTypes)) cvOuts += 1; } else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) evIns.append(CARLA_EVENT_DATA_ATOM); else if (LV2_IS_PORT_OUTPUT(portTypes)) evOuts.append(CARLA_EVENT_DATA_ATOM); } else if (LV2_IS_PORT_EVENT(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) evIns.append(CARLA_EVENT_DATA_EVENT); else if (LV2_IS_PORT_OUTPUT(portTypes)) evOuts.append(CARLA_EVENT_DATA_EVENT); } else if (LV2_IS_PORT_MIDI_LL(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) evIns.append(CARLA_EVENT_DATA_MIDI_LL); else if (LV2_IS_PORT_OUTPUT(portTypes)) evOuts.append(CARLA_EVENT_DATA_MIDI_LL); } else if (LV2_IS_PORT_CONTROL(portTypes)) params += 1; } if ((pData->options & PLUGIN_OPTION_FORCE_STEREO) != 0 && aIns <= 1 && aOuts <= 1 && fExt.state == nullptr && fExt.worker == nullptr) { if (fHandle2 == nullptr) { try { fHandle2 = fDescriptor->instantiate(fDescriptor, sampleRate, fRdfDescriptor->Bundle, fFeatures); } catch(...) {} } if (fHandle2 != nullptr) { if (aIns == 1) { aIns = 2; forcedStereoIn = true; } if (aOuts == 1) { aOuts = 2; forcedStereoOut = true; } } } if (aIns > 0) { pData->audioIn.createNew(aIns); fAudioInBuffers = new float*[aIns]; for (uint32_t i=0; i < aIns; ++i) fAudioInBuffers[i] = nullptr; } if (aOuts > 0) { pData->audioOut.createNew(aOuts); fAudioOutBuffers = new float*[aOuts]; needsCtrlIn = true; for (uint32_t i=0; i < aOuts; ++i) fAudioOutBuffers[i] = nullptr; } if (cvIns > 0) { pData->cvIn.createNew(cvIns); fCvInBuffers = new float*[cvIns]; for (uint32_t i=0; i < cvIns; ++i) fCvInBuffers[i] = nullptr; } if (cvOuts > 0) { pData->cvOut.createNew(cvOuts); fCvOutBuffers = new float*[cvOuts]; for (uint32_t i=0; i < cvOuts; ++i) fCvOutBuffers[i] = nullptr; } if (params > 0) { pData->param.createNew(params, true); fParamBuffers = new float[params]; carla_zeroFloats(fParamBuffers, params); } if (const uint32_t count = static_cast(evIns.count())) { fEventsIn.createNew(count); for (uint32_t i=0; i < count; ++i) { const uint32_t& type(evIns.getAt(i, 0x0)); if (type == CARLA_EVENT_DATA_ATOM) { fEventsIn.data[i].type = CARLA_EVENT_DATA_ATOM; fEventsIn.data[i].atom = lv2_atom_buffer_new(eventBufferSize, kUridNull, kUridAtomSequence, true); } else if (type == CARLA_EVENT_DATA_EVENT) { fEventsIn.data[i].type = CARLA_EVENT_DATA_EVENT; fEventsIn.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP); } else if (type == CARLA_EVENT_DATA_MIDI_LL) { fEventsIn.data[i].type = CARLA_EVENT_DATA_MIDI_LL; fEventsIn.data[i].midi.capacity = eventBufferSize; fEventsIn.data[i].midi.data = new uchar[eventBufferSize]; } } } else { fEventsIn.createNew(1); fEventsIn.ctrl = &fEventsIn.data[0]; } if (const uint32_t count = static_cast(evOuts.count())) { fEventsOut.createNew(count); for (uint32_t i=0; i < count; ++i) { const uint32_t& type(evOuts.getAt(i, 0x0)); if (type == CARLA_EVENT_DATA_ATOM) { fEventsOut.data[i].type = CARLA_EVENT_DATA_ATOM; fEventsOut.data[i].atom = lv2_atom_buffer_new(eventBufferSize, kUridNull, kUridAtomSequence, false); } else if (type == CARLA_EVENT_DATA_EVENT) { fEventsOut.data[i].type = CARLA_EVENT_DATA_EVENT; fEventsOut.data[i].event = lv2_event_buffer_new(eventBufferSize, LV2_EVENT_AUDIO_STAMP); } else if (type == CARLA_EVENT_DATA_MIDI_LL) { fEventsOut.data[i].type = CARLA_EVENT_DATA_MIDI_LL; fEventsOut.data[i].midi.capacity = eventBufferSize; fEventsOut.data[i].midi.data = new uchar[eventBufferSize]; } } } const uint portNameSize(pData->engine->getMaxPortNameSize()); CarlaString portName; for (uint32_t i=0, iAudioIn=0, iAudioOut=0, iCvIn=0, iCvOut=0, iEvIn=0, iEvOut=0, iCtrl=0; i < portCount; ++i) { const LV2_Property portTypes(fRdfDescriptor->Ports[i].Types); portName.clear(); if (LV2_IS_PORT_AUDIO(portTypes) || LV2_IS_PORT_CV(portTypes) || LV2_IS_PORT_ATOM_SEQUENCE(portTypes) || LV2_IS_PORT_EVENT(portTypes) || LV2_IS_PORT_MIDI_LL(portTypes)) { if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { portName = pData->name; portName += ":"; } portName += fRdfDescriptor->Ports[i].Name; portName.truncate(portNameSize); } if (LV2_IS_PORT_AUDIO(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) { const uint32_t j = iAudioIn++; pData->audioIn.ports[j].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j); pData->audioIn.ports[j].rindex = i; if (forcedStereoIn) { portName += "_2"; pData->audioIn.ports[1].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, 1); pData->audioIn.ports[1].rindex = i; } } else if (LV2_IS_PORT_OUTPUT(portTypes)) { const uint32_t j = iAudioOut++; pData->audioOut.ports[j].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j); pData->audioOut.ports[j].rindex = i; if (forcedStereoOut) { portName += "_2"; pData->audioOut.ports[1].port = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, 1); pData->audioOut.ports[1].rindex = i; } } else carla_stderr2("WARNING - Got a broken Port (Audio, but not input or output)"); } else if (LV2_IS_PORT_CV(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) { const uint32_t j = iCvIn++; pData->cvIn.ports[j].port = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, true, j); pData->cvIn.ports[j].rindex = i; } else if (LV2_IS_PORT_OUTPUT(portTypes)) { const uint32_t j = iCvOut++; pData->cvOut.ports[j].port = (CarlaEngineCVPort*)pData->client->addPort(kEnginePortTypeCV, portName, false, j); pData->cvOut.ports[j].rindex = i; } else carla_stderr("WARNING - Got a broken Port (CV, but not input or output)"); } else if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) { const uint32_t j = iEvIn++; fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].atom->atoms); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].atom->atoms); fEventsIn.data[j].rindex = i; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI; if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE) fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE; if (portTypes & LV2_PORT_DATA_TIME_POSITION) fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME; if (evIns.count() == 1) { fEventsIn.ctrl = &fEventsIn.data[j]; fEventsIn.ctrlIndex = j; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) needsCtrlIn = true; } else { if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j); if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation)) { fEventsIn.ctrl = &fEventsIn.data[j]; fEventsIn.ctrlIndex = j; } } } else if (LV2_IS_PORT_OUTPUT(portTypes)) { const uint32_t j = iEvOut++; fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].atom->atoms); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].atom->atoms); fEventsOut.data[j].rindex = i; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI; if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE) fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE; if (portTypes & LV2_PORT_DATA_TIME_POSITION) fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME; if (evOuts.count() == 1) { fEventsOut.ctrl = &fEventsOut.data[j]; fEventsOut.ctrlIndex = j; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) needsCtrlOut = true; } else { if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j); if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation)) { fEventsOut.ctrl = &fEventsOut.data[j]; fEventsOut.ctrlIndex = j; } } } else carla_stderr2("WARNING - Got a broken Port (Atom-Sequence, but not input or output)"); } else if (LV2_IS_PORT_EVENT(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) { const uint32_t j = iEvIn++; fDescriptor->connect_port(fHandle, i, fEventsIn.data[j].event); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, fEventsIn.data[j].event); fEventsIn.data[j].rindex = i; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI; if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE) fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MESSAGE; if (portTypes & LV2_PORT_DATA_TIME_POSITION) fEventsIn.data[j].type |= CARLA_EVENT_TYPE_TIME; if (evIns.count() == 1) { fEventsIn.ctrl = &fEventsIn.data[j]; fEventsIn.ctrlIndex = j; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) needsCtrlIn = true; } else { if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j); if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation)) { fEventsIn.ctrl = &fEventsIn.data[j]; fEventsIn.ctrlIndex = j; } } } else if (LV2_IS_PORT_OUTPUT(portTypes)) { const uint32_t j = iEvOut++; fDescriptor->connect_port(fHandle, i, fEventsOut.data[j].event); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, fEventsOut.data[j].event); fEventsOut.data[j].rindex = i; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI; if (portTypes & LV2_PORT_DATA_PATCH_MESSAGE) fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MESSAGE; if (portTypes & LV2_PORT_DATA_TIME_POSITION) fEventsOut.data[j].type |= CARLA_EVENT_TYPE_TIME; if (evOuts.count() == 1) { fEventsOut.ctrl = &fEventsOut.data[j]; fEventsOut.ctrlIndex = j; if (portTypes & LV2_PORT_DATA_MIDI_EVENT) needsCtrlOut = true; } else { if (portTypes & LV2_PORT_DATA_MIDI_EVENT) fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j); if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation)) { fEventsOut.ctrl = &fEventsOut.data[j]; fEventsOut.ctrlIndex = j; } } } else carla_stderr2("WARNING - Got a broken Port (Event, but not input or output)"); } else if (LV2_IS_PORT_MIDI_LL(portTypes)) { if (LV2_IS_PORT_INPUT(portTypes)) { const uint32_t j = iEvIn++; fDescriptor->connect_port(fHandle, i, &fEventsIn.data[j].midi); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, &fEventsIn.data[j].midi); fEventsIn.data[j].type |= CARLA_EVENT_TYPE_MIDI; fEventsIn.data[j].rindex = i; if (evIns.count() == 1) { needsCtrlIn = true; fEventsIn.ctrl = &fEventsIn.data[j]; fEventsIn.ctrlIndex = j; } else { fEventsIn.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, j); if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation)) { fEventsIn.ctrl = &fEventsIn.data[j]; fEventsIn.ctrlIndex = j; } } } else if (LV2_IS_PORT_OUTPUT(portTypes)) { const uint32_t j = iEvOut++; fDescriptor->connect_port(fHandle, i, &fEventsOut.data[j].midi); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, &fEventsOut.data[j].midi); fEventsOut.data[j].type |= CARLA_EVENT_TYPE_MIDI; fEventsOut.data[j].rindex = i; if (evOuts.count() == 1) { needsCtrlOut = true; fEventsOut.ctrl = &fEventsOut.data[j]; fEventsOut.ctrlIndex = j; } else { fEventsOut.data[j].port = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, j); if (LV2_IS_PORT_DESIGNATION_CONTROL(fRdfDescriptor->Ports[i].Designation)) { fEventsOut.ctrl = &fEventsOut.data[j]; fEventsOut.ctrlIndex = j; } } } else carla_stderr2("WARNING - Got a broken Port (MIDI, but not input or output)"); } else if (LV2_IS_PORT_CONTROL(portTypes)) { const LV2_Property portProps(fRdfDescriptor->Ports[i].Properties); const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation); const LV2_RDF_PortPoints portPoints(fRdfDescriptor->Ports[i].Points); const uint32_t j = iCtrl++; pData->param.data[j].index = static_cast(j); pData->param.data[j].rindex = static_cast(i); float min, max, def, step, stepSmall, stepLarge; // min value if (LV2_HAVE_MINIMUM_PORT_POINT(portPoints.Hints)) min = portPoints.Minimum; else min = 0.0f; // max value if (LV2_HAVE_MAXIMUM_PORT_POINT(portPoints.Hints)) max = portPoints.Maximum; else max = 1.0f; if (LV2_IS_PORT_SAMPLE_RATE(portProps)) { min *= sampleRate; max *= sampleRate; pData->param.data[j].hints |= PARAMETER_USES_SAMPLERATE; } // stupid hack for ir.lv2 (broken plugin) if (std::strcmp(fRdfDescriptor->URI, "http://factorial.hu/plugins/lv2/ir") == 0 && std::strncmp(fRdfDescriptor->Ports[i].Name, "FileHash", 8) == 0) { min = 0.0f; max = (float)0xffffff; } if (min >= max) { carla_stderr2("WARNING - Broken plugin parameter '%s': min >= max", fRdfDescriptor->Ports[i].Name); max = min + 0.1f; } // default value if (LV2_HAVE_DEFAULT_PORT_POINT(portPoints.Hints)) { def = portPoints.Default; } else { // no default value if (min < 0.0f && max > 0.0f) def = 0.0f; else def = min; } if (def < min) def = min; else if (def > max) def = max; if (LV2_IS_PORT_TOGGLED(portProps)) { step = max - min; stepSmall = step; stepLarge = step; pData->param.data[j].hints |= PARAMETER_IS_BOOLEAN; } else if (LV2_IS_PORT_INTEGER(portProps)) { step = 1.0f; stepSmall = 1.0f; stepLarge = 10.0f; pData->param.data[j].hints |= PARAMETER_IS_INTEGER; } else { float range = max - min; step = range/100.0f; stepSmall = range/1000.0f; stepLarge = range/10.0f; } if (LV2_IS_PORT_INPUT(portTypes)) { pData->param.data[j].type = PARAMETER_INPUT; if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation)) { carla_stderr("Plugin has latency input port, this should not happen!"); } else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation)) { def = sampleRate; step = 1.0f; stepSmall = 1.0f; stepLarge = 1.0f; pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE; } else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation)) { pData->param.special[j] = PARAMETER_SPECIAL_FREEWHEEL; } else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation)) { pData->param.special[j] = PARAMETER_SPECIAL_TIME; } else { pData->param.data[j].hints |= PARAMETER_IS_ENABLED; pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE; needsCtrlIn = true; } // MIDI CC value const LV2_RDF_PortMidiMap& portMidiMap(fRdfDescriptor->Ports[i].MidiMap); if (LV2_IS_PORT_MIDI_MAP_CC(portMidiMap.Type)) { if (portMidiMap.Number < MAX_MIDI_CONTROL && ! MIDI_IS_CONTROL_BANK_SELECT(portMidiMap.Number)) pData->param.data[j].midiCC = static_cast(portMidiMap.Number); } } else if (LV2_IS_PORT_OUTPUT(portTypes)) { pData->param.data[j].type = PARAMETER_OUTPUT; if (LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation)) { min = 0.0f; max = sampleRate; def = 0.0f; step = 1.0f; stepSmall = 1.0f; stepLarge = 1.0f; pData->param.special[j] = PARAMETER_SPECIAL_LATENCY; CARLA_SAFE_ASSERT_INT2(fLatencyIndex == static_cast(j), fLatencyIndex, j); } else if (LV2_IS_PORT_DESIGNATION_SAMPLE_RATE(portDesignation)) { def = sampleRate; step = 1.0f; stepSmall = 1.0f; stepLarge = 1.0f; pData->param.special[j] = PARAMETER_SPECIAL_SAMPLE_RATE; } else if (LV2_IS_PORT_DESIGNATION_FREEWHEELING(portDesignation)) { carla_stderr("Plugin has freewheeling output port, this should not happen!"); } else if (LV2_IS_PORT_DESIGNATION_TIME(portDesignation)) { pData->param.special[j] = PARAMETER_SPECIAL_TIME; } else { pData->param.data[j].hints |= PARAMETER_IS_ENABLED; pData->param.data[j].hints |= PARAMETER_IS_AUTOMABLE; needsCtrlOut = true; } } else { pData->param.data[j].type = PARAMETER_UNKNOWN; carla_stderr2("WARNING - Got a broken Port (Control, but not input or output)"); } // extra parameter hints if (LV2_IS_PORT_LOGARITHMIC(portProps)) pData->param.data[j].hints |= PARAMETER_IS_LOGARITHMIC; if (LV2_IS_PORT_TRIGGER(portProps)) pData->param.data[j].hints |= PARAMETER_IS_TRIGGER; if (LV2_IS_PORT_STRICT_BOUNDS(portProps)) pData->param.data[j].hints |= PARAMETER_IS_STRICT_BOUNDS; if (LV2_IS_PORT_ENUMERATION(portProps)) pData->param.data[j].hints |= PARAMETER_USES_SCALEPOINTS; // check if parameter is not enabled or automable if (LV2_IS_PORT_NOT_ON_GUI(portProps)) pData->param.data[j].hints &= ~(PARAMETER_IS_ENABLED|PARAMETER_IS_AUTOMABLE); else if (LV2_IS_PORT_CAUSES_ARTIFACTS(portProps) || LV2_IS_PORT_EXPENSIVE(portProps)) pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE; else if (LV2_IS_PORT_NOT_AUTOMATIC(portProps) || LV2_IS_PORT_NON_AUTOMABLE(portProps)) pData->param.data[j].hints &= ~PARAMETER_IS_AUTOMABLE; 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; // Start parameters in their default values (except freewheel, which is off by default) if (pData->param.data[j].type == PARAMETER_INPUT && pData->param.special[j] == PARAMETER_SPECIAL_FREEWHEEL) fParamBuffers[j] = min; else fParamBuffers[j] = def; fDescriptor->connect_port(fHandle, i, &fParamBuffers[j]); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, &fParamBuffers[j]); } else { // Port Type not supported, but it's optional anyway fDescriptor->connect_port(fHandle, i, nullptr); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, i, nullptr); } } 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); } if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsIn.count > 0 && (fEventsIn.data[0].type & CARLA_EVENT_DATA_ATOM) != 0)) fAtomBufferIn.createBuffer(eventBufferSize); if (fExt.worker != nullptr || (fUI.type != UI::TYPE_NULL && fEventsOut.count > 0 && (fEventsOut.data[0].type & CARLA_EVENT_DATA_ATOM) != 0)) { fAtomBufferOut.createBuffer(std::min(eventBufferSize*32, 1638400U)); fTmpAtomBuffer = new uint8_t[fAtomBufferOut.getSize()]; } if (fEventsIn.ctrl != nullptr && fEventsIn.ctrl->port == nullptr) fEventsIn.ctrl->port = pData->event.portIn; if (fEventsOut.ctrl != nullptr && fEventsOut.ctrl->port == nullptr) fEventsOut.ctrl->port = pData->event.portOut; if (fCanInit2 && (forcedStereoIn || forcedStereoOut)) pData->options |= PLUGIN_OPTION_FORCE_STEREO; else pData->options &= ~PLUGIN_OPTION_FORCE_STEREO; // plugin hints pData->hints = 0x0; if (isRealtimeSafe()) pData->hints |= PLUGIN_IS_RTSAFE; if (fUI.type != UI::TYPE_NULL) { pData->hints |= PLUGIN_HAS_CUSTOM_UI; if (fUI.type == UI::TYPE_EMBED || fUI.type == UI::TYPE_EXTERNAL) pData->hints |= PLUGIN_NEEDS_UI_MAIN_THREAD; } if (LV2_IS_GENERATOR(fRdfDescriptor->Type[0], fRdfDescriptor->Type[1])) pData->hints |= PLUGIN_IS_SYNTH; 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 (! fCanInit2) { // can't run in rack } else if (fExt.state != nullptr || fExt.worker != nullptr) { if ((aIns == 0 || aIns == 2) && (aOuts == 0 || aOuts == 2) && evIns.count() <= 1 && evOuts.count() <= 1) pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK; } else { if (aIns <= 2 && aOuts <= 2 && (aIns == aOuts || aIns == 0 || aOuts == 0) && evIns.count() <= 1 && evOuts.count() <= 1) pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK; } // check initial latency findInitialLatencyValue(aIns, aOuts); bufferSizeChanged(pData->engine->getBufferSize()); reloadPrograms(true); evIns.clear(); evOuts.clear(); if (pData->active) activate(); carla_debug("CarlaPluginLV2::reload() - end"); } void findInitialLatencyValue(const uint32_t aIns, const uint32_t aOuts) const { if (fLatencyIndex < 0) return; // we need to pre-run the plugin so it can update its latency control-port const uint32_t bufferSize = static_cast(fLv2Options.nominalBufferSize); float tmpIn [(aIns > 0) ? aIns : 1][bufferSize]; float tmpOut[(aOuts > 0) ? aOuts : 1][bufferSize]; for (uint32_t j=0; j < aIns; ++j) { carla_zeroFloats(tmpIn[j], bufferSize); try { fDescriptor->connect_port(fHandle, pData->audioIn.ports[j].rindex, tmpIn[j]); } CARLA_SAFE_EXCEPTION("LV2 connect_port latency input"); } for (uint32_t j=0; j < aOuts; ++j) { carla_zeroFloats(tmpOut[j], bufferSize); try { fDescriptor->connect_port(fHandle, pData->audioOut.ports[j].rindex, tmpOut[j]); } CARLA_SAFE_EXCEPTION("LV2 connect_port latency output"); } if (fDescriptor->activate != nullptr) { try { fDescriptor->activate(fHandle); } CARLA_SAFE_EXCEPTION("LV2 latency activate"); } try { fDescriptor->run(fHandle, bufferSize); } CARLA_SAFE_EXCEPTION("LV2 latency run"); if (fDescriptor->deactivate != nullptr) { try { fDescriptor->deactivate(fHandle); } CARLA_SAFE_EXCEPTION("LV2 latency deactivate"); } // done, let's get the value if (const uint32_t latency = getLatencyInFrames()) { pData->client->setLatency(latency); #ifndef BUILD_BRIDGE pData->latency.recreateBuffers(std::max(aIns, aOuts), latency); #endif } } void reloadPrograms(const bool doInit) override { carla_debug("CarlaPluginLV2::reloadPrograms(%s)", bool2str(doInit)); const uint32_t oldCount = pData->midiprog.count; const int32_t current = pData->midiprog.current; // special LV2 programs handling if (doInit) { pData->prog.clear(); const uint32_t presetCount(fRdfDescriptor->PresetCount); if (presetCount > 0) { pData->prog.createNew(presetCount); for (uint32_t i=0; i < presetCount; ++i) pData->prog.names[i] = carla_strdup(fRdfDescriptor->Presets[i].Label); } } // Delete old programs pData->midiprog.clear(); // Query new programs uint32_t newCount = 0; if (fExt.programs != nullptr && fExt.programs->get_program != nullptr && fExt.programs->select_program != nullptr) { for (; fExt.programs->get_program(fHandle, newCount);) ++newCount; } if (newCount > 0) { pData->midiprog.createNew(newCount); // Update data for (uint32_t i=0; i < newCount; ++i) { const LV2_Program_Descriptor* const pdesc(fExt.programs->get_program(fHandle, i)); CARLA_SAFE_ASSERT_CONTINUE(pdesc != nullptr); CARLA_SAFE_ASSERT(pdesc->name != nullptr); pData->midiprog.data[i].bank = pdesc->bank; pData->midiprog.data[i].program = pdesc->program; pData->midiprog.data[i].name = carla_strdup(pdesc->name); } } #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE) // Update OSC Names if (pData->engine->isOscControlRegistered() && pData->id < pData->engine->getCurrentPluginCount()) { pData->engine->oscSend_control_set_midi_program_count(pData->id, newCount); for (uint32_t i=0; i < newCount; ++i) pData->engine->oscSend_control_set_midi_program_data(pData->id, i, pData->midiprog.data[i].bank, pData->midiprog.data[i].program, pData->midiprog.data[i].name); } #endif if (doInit) { if (newCount > 0) { setMidiProgram(0, false, false, false); } else { // load default state if (LilvState* const state = Lv2WorldClass::getInstance().getStateFromURI(fDescriptor->URI, (const LV2_URID_Map*)fFeatures[kFeatureIdUridMap]->data)) { lilv_state_restore(state, fExt.state, fHandle, carla_lilv_set_port_value, this, 0, fFeatures); if (fHandle2 != nullptr) lilv_state_restore(state, fExt.state, fHandle2, carla_lilv_set_port_value, this, 0, fFeatures); lilv_state_free(state); } } } else { // Check if current program is invalid bool programChanged = false; if (newCount == oldCount+1) { // one midi program added, probably created by user pData->midiprog.current = static_cast(oldCount); programChanged = true; } else if (current < 0 && newCount > 0) { // programs exist now, but not before pData->midiprog.current = 0; programChanged = true; } else if (current >= 0 && newCount == 0) { // programs existed before, but not anymore pData->midiprog.current = -1; programChanged = true; } else if (current >= static_cast(newCount)) { // current midi program > count pData->midiprog.current = 0; programChanged = true; } else { // no change pData->midiprog.current = current; } if (programChanged) setMidiProgram(pData->midiprog.current, true, true, true); pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0f, nullptr); } } // ------------------------------------------------------------------- // Plugin processing void activate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); if (fDescriptor->activate != nullptr) { try { fDescriptor->activate(fHandle); } CARLA_SAFE_EXCEPTION("LV2 activate"); if (fHandle2 != nullptr) { try { fDescriptor->activate(fHandle2); } CARLA_SAFE_EXCEPTION("LV2 activate #2"); } } fFirstActive = true; } void deactivate() noexcept override { CARLA_SAFE_ASSERT_RETURN(fDescriptor != nullptr,); CARLA_SAFE_ASSERT_RETURN(fHandle != nullptr,); if (fDescriptor->deactivate != nullptr) { try { fDescriptor->deactivate(fHandle); } CARLA_SAFE_EXCEPTION("LV2 deactivate"); if (fHandle2 != nullptr) { try { fDescriptor->deactivate(fHandle2); } CARLA_SAFE_EXCEPTION("LV2 deactivate #2"); } } } void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, 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); for (uint32_t i=0; i < pData->cvOut.count; ++i) carla_zeroFloats(cvOut[i], frames); return; } // -------------------------------------------------------------------------------------------------------- // Event itenerators from different APIs (input) LV2_Atom_Buffer_Iterator evInAtomIters[fEventsIn.count]; LV2_Event_Iterator evInEventIters[fEventsIn.count]; LV2_MIDIState evInMidiStates[fEventsIn.count]; for (uint32_t i=0; i < fEventsIn.count; ++i) { if (fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM) { lv2_atom_buffer_reset(fEventsIn.data[i].atom, true); lv2_atom_buffer_begin(&evInAtomIters[i], fEventsIn.data[i].atom); } else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_EVENT) { lv2_event_buffer_reset(fEventsIn.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[i].event->data); lv2_event_begin(&evInEventIters[i], fEventsIn.data[i].event); } else if (fEventsIn.data[i].type & CARLA_EVENT_DATA_MIDI_LL) { fEventsIn.data[i].midi.event_count = 0; fEventsIn.data[i].midi.size = 0; evInMidiStates[i].midi = &fEventsIn.data[i].midi; evInMidiStates[i].frame_count = frames; evInMidiStates[i].position = 0; } } for (uint32_t i=0; i < fEventsOut.count; ++i) { if (fEventsOut.data[i].type & CARLA_EVENT_DATA_ATOM) { lv2_atom_buffer_reset(fEventsOut.data[i].atom, false); } else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_EVENT) { lv2_event_buffer_reset(fEventsOut.data[i].event, LV2_EVENT_AUDIO_STAMP, fEventsOut.data[i].event->data); } else if (fEventsOut.data[i].type & CARLA_EVENT_DATA_MIDI_LL) { // not needed } } // -------------------------------------------------------------------------------------------------------- // Check if needs reset if (pData->needsReset) { if (fEventsIn.ctrl != nullptr && (fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) != 0) { const uint32_t j = fEventsIn.ctrlIndex; CARLA_ASSERT(j < fEventsIn.count); uint8_t midiData[3] = { 0, 0, 0 }; if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { for (uint8_t i=0; i < MAX_MIDI_CHANNELS; ++i) { midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT)); midiData[1] = MIDI_CONTROL_ALL_NOTES_OFF; if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[j], 0, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData); midiData[0] = uint8_t(MIDI_STATUS_CONTROL_CHANGE | (i & MIDI_CHANNEL_BIT)); midiData[1] = MIDI_CONTROL_ALL_SOUND_OFF; if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[j], 0, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData); } } else if (pData->ctrlChannel >= 0 && pData->ctrlChannel < MAX_MIDI_CHANNELS) { for (uint8_t k=0; k < MAX_MIDI_NOTE; ++k) { midiData[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (pData->ctrlChannel & MIDI_CHANNEL_BIT)); midiData[1] = k; if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[j], 0, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiData); } } } pData->needsReset = false; } // -------------------------------------------------------------------------------------------------------- // TimeInfo const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo()); if (fFirstActive || fLastTimeInfo != timeInfo) { bool doPostRt; int32_t rindex; // update input ports for (uint32_t k=0; k < pData->param.count; ++k) { if (pData->param.data[k].type != PARAMETER_INPUT) continue; if (pData->param.special[k] != PARAMETER_SPECIAL_TIME) continue; doPostRt = false; rindex = pData->param.data[k].rindex; CARLA_SAFE_ASSERT_CONTINUE(rindex >= 0 && rindex < static_cast(fRdfDescriptor->PortCount)); switch (fRdfDescriptor->Ports[rindex].Designation) { // Non-BBT case LV2_PORT_DESIGNATION_TIME_SPEED: if (fLastTimeInfo.playing != timeInfo.playing) { fParamBuffers[k] = timeInfo.playing ? 1.0f : 0.0f; doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_FRAME: if (fLastTimeInfo.frame != timeInfo.frame) { fParamBuffers[k] = static_cast(timeInfo.frame); doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_FRAMES_PER_SECOND: break; // BBT case LV2_PORT_DESIGNATION_TIME_BAR: if (timeInfo.bbt.valid && fLastTimeInfo.bbt.bar != timeInfo.bbt.bar) { fParamBuffers[k] = static_cast(timeInfo.bbt.bar - 1); doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_BAR_BEAT: if (timeInfo.bbt.valid && (fLastTimeInfo.bbt.tick != timeInfo.bbt.tick || fLastTimeInfo.bbt.beat != timeInfo.bbt.beat)) { fParamBuffers[k] = static_cast(static_cast(timeInfo.bbt.beat) - 1.0 + (static_cast(timeInfo.bbt.tick) / timeInfo.bbt.ticksPerBeat)); doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_BEAT: if (timeInfo.bbt.valid && fLastTimeInfo.bbt.beat != timeInfo.bbt.beat) { fParamBuffers[k] = static_cast(timeInfo.bbt.beat - 1); doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_BEAT_UNIT: if (timeInfo.bbt.valid && carla_isNotEqual(fLastTimeInfo.bbt.beatType, timeInfo.bbt.beatType)) { fParamBuffers[k] = timeInfo.bbt.beatType; doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_BEATS_PER_BAR: if (timeInfo.bbt.valid && carla_isNotEqual(fLastTimeInfo.bbt.beatsPerBar, timeInfo.bbt.beatsPerBar)) { fParamBuffers[k] = timeInfo.bbt.beatsPerBar; doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_BEATS_PER_MINUTE: if (timeInfo.bbt.valid && carla_isNotEqual(fLastTimeInfo.bbt.beatsPerMinute, timeInfo.bbt.beatsPerMinute)) { fParamBuffers[k] = static_cast(timeInfo.bbt.beatsPerMinute); doPostRt = true; } break; case LV2_PORT_DESIGNATION_TIME_TICKS_PER_BEAT: if (timeInfo.bbt.valid && carla_isNotEqual(fLastTimeInfo.bbt.ticksPerBeat, timeInfo.bbt.ticksPerBeat)) { fParamBuffers[k] = static_cast(timeInfo.bbt.ticksPerBeat); doPostRt = true; } break; } if (doPostRt) pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast(k), 1, fParamBuffers[k]); } for (uint32_t i=0; i < fEventsIn.count; ++i) { if ((fEventsIn.data[i].type & CARLA_EVENT_DATA_ATOM) == 0 || (fEventsIn.data[i].type & CARLA_EVENT_TYPE_TIME) == 0) continue; uint8_t timeInfoBuf[256]; lv2_atom_forge_set_buffer(&fAtomForge, timeInfoBuf, sizeof(timeInfoBuf)); LV2_Atom_Forge_Frame forgeFrame; lv2_atom_forge_object(&fAtomForge, &forgeFrame, kUridNull, kUridTimePosition); lv2_atom_forge_key(&fAtomForge, kUridTimeSpeed); lv2_atom_forge_float(&fAtomForge, timeInfo.playing ? 1.0f : 0.0f); lv2_atom_forge_key(&fAtomForge, kUridTimeFrame); lv2_atom_forge_long(&fAtomForge, static_cast(timeInfo.frame)); if (timeInfo.bbt.valid) { lv2_atom_forge_key(&fAtomForge, kUridTimeBar); lv2_atom_forge_long(&fAtomForge, timeInfo.bbt.bar - 1); lv2_atom_forge_key(&fAtomForge, kUridTimeBarBeat); lv2_atom_forge_float(&fAtomForge, static_cast(static_cast(timeInfo.bbt.beat) - 1.0 + (static_cast(timeInfo.bbt.tick) / timeInfo.bbt.ticksPerBeat))); lv2_atom_forge_key(&fAtomForge, kUridTimeBeat); lv2_atom_forge_double(&fAtomForge, timeInfo.bbt.beat - 1); lv2_atom_forge_key(&fAtomForge, kUridTimeBeatUnit); lv2_atom_forge_int(&fAtomForge, static_cast(timeInfo.bbt.beatType)); lv2_atom_forge_key(&fAtomForge, kUridTimeBeatsPerBar); lv2_atom_forge_float(&fAtomForge, timeInfo.bbt.beatsPerBar); lv2_atom_forge_key(&fAtomForge, kUridTimeBeatsPerMinute); lv2_atom_forge_float(&fAtomForge, static_cast(timeInfo.bbt.beatsPerMinute)); lv2_atom_forge_key(&fAtomForge, kUridTimeTicksPerBeat); lv2_atom_forge_double(&fAtomForge, timeInfo.bbt.ticksPerBeat); } lv2_atom_forge_pop(&fAtomForge, &forgeFrame); LV2_Atom* const atom((LV2_Atom*)timeInfoBuf); CARLA_SAFE_ASSERT_BREAK(atom->size < 256); // send only deprecated blank object for now lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, kUridAtomBlank, atom->size, LV2_ATOM_BODY_CONST(atom)); // for atom:object //lv2_atom_buffer_write(&evInAtomIters[i], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom)); } pData->postRtEvents.trySplice(); carla_copyStruct(fLastTimeInfo, timeInfo); } // -------------------------------------------------------------------------------------------------------- // Event Input and Processing if (fEventsIn.ctrl != nullptr) { // ---------------------------------------------------------------------------------------------------- // Message Input if (fAtomBufferIn.tryLock()) { if (fAtomBufferIn.isDataAvailableForReading()) { const LV2_Atom* atom; uint32_t j, portIndex; for (; fAtomBufferIn.get(atom, portIndex);) { j = (portIndex < fEventsIn.count) ? portIndex : fEventsIn.ctrlIndex; if (atom->type == kUridCarlaAtomWorker) { CARLA_SAFE_ASSERT_CONTINUE(fExt.worker != nullptr && fExt.worker->work_response != nullptr); fExt.worker->work_response(fHandle, atom->size, LV2_ATOM_BODY_CONST(atom)); } else if (! lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, atom->type, atom->size, LV2_ATOM_BODY_CONST(atom))) { carla_stdout("Event input buffer full, at least 1 message lost"); continue; } } } fAtomBufferIn.unlock(); } // ---------------------------------------------------------------------------------------------------- // MIDI Input (External) if (pData->extNotes.mutex.tryLock()) { if ((fEventsIn.ctrl->type & CARLA_EVENT_TYPE_MIDI) == 0) { // does not handle MIDI pData->extNotes.data.clear(); } else { const uint32_t j = fEventsIn.ctrlIndex; 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; if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[j], 0, 0, kUridMidiEvent, 3, midiEvent); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[j], 0, 0, kUridMidiEvent, 3, midiEvent); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[j], 0.0, 3, midiEvent); } pData->extNotes.data.clear(); } 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; uint32_t nextBankId; if (pData->midiprog.current >= 0 && pData->midiprog.count > 0) nextBankId = pData->midiprog.data[pData->midiprog.current].bank; else nextBankId = 0; const uint32_t numEvents = (fEventsIn.ctrl->port != nullptr) ? fEventsIn.ctrl->port->getEventCount() : 0; for (uint32_t i=0; i < numEvents; ++i) { const EngineEvent& event(fEventsIn.ctrl->port->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, cvIn, cvOut, event.time - timeOffset, timeOffset)) { startTime = 0; timeOffset = event.time; if (pData->midiprog.current >= 0 && pData->midiprog.count > 0) nextBankId = pData->midiprog.data[pData->midiprog.current].bank; else nextBankId = 0; for (uint32_t j=0; j < fEventsIn.count; ++j) { if (fEventsIn.data[j].type & CARLA_EVENT_DATA_ATOM) { lv2_atom_buffer_reset(fEventsIn.data[j].atom, true); lv2_atom_buffer_begin(&evInAtomIters[j], fEventsIn.data[j].atom); } else if (fEventsIn.data[j].type & CARLA_EVENT_DATA_EVENT) { lv2_event_buffer_reset(fEventsIn.data[j].event, LV2_EVENT_AUDIO_STAMP, fEventsIn.data[j].event->data); lv2_event_begin(&evInEventIters[j], fEventsIn.data[j].event); } else if (fEventsIn.data[j].type & CARLA_EVENT_DATA_MIDI_LL) { fEventsIn.data[j].midi.event_count = 0; fEventsIn.data[j].midi.size = 0; evInMidiStates[j].position = event.time; } } for (uint32_t j=0; j < fEventsOut.count; ++j) { if (fEventsOut.data[j].type & CARLA_EVENT_DATA_ATOM) { lv2_atom_buffer_reset(fEventsOut.data[j].atom, false); } else if (fEventsOut.data[j].type & CARLA_EVENT_DATA_EVENT) { lv2_event_buffer_reset(fEventsOut.data[j].event, LV2_EVENT_AUDIO_STAMP, fEventsOut.data[j].event->data); } else if (fEventsOut.data[j].type & CARLA_EVENT_DATA_MIDI_LL) { // not needed } } } 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; setDryWet(value, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value); } if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0) { value = ctrlEvent.value*127.0f/100.0f; setVolume(value, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, 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; } setBalanceLeft(left, false, false); setBalanceRight(right, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left); pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, 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); } setParameterValue(k, value, false, false, false); pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast(k), 0, value); } if ((pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) != 0 && ctrlEvent.param < MAX_MIDI_CONTROL) { 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.value*127.0f); const uint32_t mtime(isSampleAccurate ? startTime : event.time); if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData); } break; } // case kEngineControlEventTypeParameter case kEngineControlEventTypeMidiBank: if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) { if (event.channel == pData->ctrlChannel) nextBankId = ctrlEvent.param; } else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) { 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] = uint8_t(ctrlEvent.param); const uint32_t mtime(isSampleAccurate ? startTime : event.time); if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData); } break; case kEngineControlEventTypeMidiProgram: if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES) { if (event.channel == pData->ctrlChannel) { const uint32_t nextProgramId(ctrlEvent.param); for (uint32_t k=0; k < pData->midiprog.count; ++k) { if (pData->midiprog.data[k].bank == nextBankId && pData->midiprog.data[k].program == nextProgramId) { const int32_t index(static_cast(k)); setMidiProgram(index, false, false, false); pData->postponeRtEvent(kPluginPostRtEventMidiProgramChange, index, 0, 0.0f); break; } } } } else if (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) { uint8_t midiData[2]; midiData[0] = uint8_t(MIDI_STATUS_PROGRAM_CHANGE | (event.channel & MIDI_CHANNEL_BIT)); midiData[1] = uint8_t(ctrlEvent.param); const uint32_t mtime(isSampleAccurate ? startTime : event.time); if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 2, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 2, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 2, midiData); } break; case kEngineControlEventTypeAllSoundOff: if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF) { const uint32_t mtime(isSampleAccurate ? startTime : event.time); 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; if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData); } 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 const uint32_t mtime(isSampleAccurate ? startTime : event.time); 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; if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[fEventsIn.ctrlIndex], mtime, 0, kUridMidiEvent, 3, midiData); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[fEventsIn.ctrlIndex], mtime, 3, midiData); } 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_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 (per LV2 spec) if (status == MIDI_STATUS_NOTE_ON && midiData[2] == 0) status = MIDI_STATUS_NOTE_OFF; const uint32_t j = fEventsIn.ctrlIndex; const uint32_t mtime = isSampleAccurate ? startTime : event.time; // 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)); if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_ATOM) lv2_atom_buffer_write(&evInAtomIters[j], mtime, 0, kUridMidiEvent, midiEvent.size, midiData2); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_EVENT) lv2_event_write(&evInEventIters[j], mtime, 0, kUridMidiEvent, midiEvent.size, midiData2); else if (fEventsIn.ctrl->type & CARLA_EVENT_DATA_MIDI_LL) lv2midi_put_event(&evInMidiStates[j], mtime, midiEvent.size, midiData2); if (status == MIDI_STATUS_NOTE_ON) pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiData[1], midiData[2]); else if (status == MIDI_STATUS_NOTE_OFF) pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiData[1], 0.0f); } break; } // switch (event.type) } pData->postRtEvents.trySplice(); if (frames > timeOffset) processSingle(audioIn, audioOut, cvIn, cvOut, frames - timeOffset, timeOffset); } // End of Event Input and Processing // -------------------------------------------------------------------------------------------------------- // Plugin processing (no events) else { processSingle(audioIn, audioOut, cvIn, cvOut, frames, 0); } // End of Plugin processing (no events) // -------------------------------------------------------------------------------------------------------- // Events/MIDI Output for (uint32_t i=0; i < fEventsOut.count; ++i) { uint32_t lastFrame = 0; Lv2EventData& evData(fEventsOut.data[i]); if (evData.type & CARLA_EVENT_DATA_ATOM) { const LV2_Atom_Event* ev; LV2_Atom_Buffer_Iterator iter; uint8_t* data; lv2_atom_buffer_begin(&iter, evData.atom); for (;;) { data = nullptr; ev = lv2_atom_buffer_get(&iter, &data); if (ev == nullptr || ev->body.size == 0 || data == nullptr) break; if (ev->body.type == kUridMidiEvent) { if (evData.port != nullptr) { CARLA_SAFE_ASSERT_CONTINUE(ev->time.frames >= 0); CARLA_SAFE_ASSERT_CONTINUE(ev->body.size < 0xFF); uint32_t currentFrame = static_cast(ev->time.frames); if (currentFrame < lastFrame) currentFrame = lastFrame; else if (currentFrame >= frames) currentFrame = frames - 1; evData.port->writeMidiEvent(currentFrame, static_cast(ev->body.size), data); } } else //if (ev->body.type == kUridAtomBLANK) { //carla_stdout("Got out event, %s", carla_lv2_urid_unmap(this, ev->body.type)); fAtomBufferOut.put(&ev->body, evData.rindex); } lv2_atom_buffer_increment(&iter); } } else if ((evData.type & CARLA_EVENT_DATA_EVENT) != 0 && evData.port != nullptr) { const LV2_Event* ev; LV2_Event_Iterator iter; uint8_t* data; lv2_event_begin(&iter, evData.event); for (;;) { data = nullptr; ev = lv2_event_get(&iter, &data); if (ev == nullptr || data == nullptr) break; uint32_t currentFrame = ev->frames; if (currentFrame < lastFrame) currentFrame = lastFrame; else if (currentFrame >= frames) currentFrame = frames - 1; if (ev->type == kUridMidiEvent) { CARLA_SAFE_ASSERT_CONTINUE(ev->size < 0xFF); evData.port->writeMidiEvent(currentFrame, static_cast(ev->size), data); } lv2_event_increment(&iter); } } else if ((evData.type & CARLA_EVENT_DATA_MIDI_LL) != 0 && evData.port != nullptr) { LV2_MIDIState state = { &evData.midi, frames, 0 }; uint32_t eventSize; double eventTime; uchar* eventData; for (;;) { eventSize = 0; eventTime = 0.0; eventData = nullptr; lv2midi_get_event(&state, &eventTime, &eventSize, &eventData); if (eventData == nullptr || eventSize == 0) break; CARLA_SAFE_ASSERT_CONTINUE(eventSize < 0xFF); CARLA_SAFE_ASSERT_CONTINUE(eventTime >= 0.0); evData.port->writeMidiEvent(static_cast(eventTime), static_cast(eventSize), eventData); lv2midi_step(&state); } } } #ifndef BUILD_BRIDGE // -------------------------------------------------------------------------------------------------------- // Control Output if (pData->event.portOut != nullptr) { uint8_t channel; uint16_t param; float value; for (uint32_t k=0; k < pData->param.count; ++k) { if (pData->param.data[k].type != PARAMETER_OUTPUT) continue; if (fStrictBounds >= 0 && (pData->param.data[k].hints & PARAMETER_IS_STRICT_BOUNDS) != 0) // plugin is responsible to ensure correct bounds pData->param.ranges[k].fixValue(fParamBuffers[k]); if (pData->param.data[k].midiCC > 0) { channel = pData->param.data[k].midiChannel; param = static_cast(pData->param.data[k].midiCC); value = pData->param.ranges[k].getNormalizedValue(fParamBuffers[k]); pData->event.portOut->writeControlEvent(0, channel, kEngineControlEventTypeParameter, param, value); } } } // End of Control Output #endif // -------------------------------------------------------------------------------------------------------- // Final work if (fExt.worker != nullptr && fExt.worker->end_run != nullptr) { fExt.worker->end_run(fHandle); if (fHandle2 != nullptr) fExt.worker->end_run(fHandle2); } fFirstActive = false; // -------------------------------------------------------------------------------------------------------- } bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames, const uint32_t timeOffset) { CARLA_SAFE_ASSERT_RETURN(frames > 0, false); if (pData->audioIn.count > 0) { CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false); } if (pData->audioOut.count > 0) { CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false); } if (pData->cvIn.count > 0) { CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false); } if (pData->cvOut.count > 0) { CARLA_SAFE_ASSERT_RETURN(cvOut != 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) { for (uint32_t k=0; k < frames; ++k) audioOut[i][k+timeOffset] = 0.0f; } for (uint32_t i=0; i < pData->cvOut.count; ++i) { for (uint32_t k=0; k < frames; ++k) cvOut[i][k+timeOffset] = 0.0f; } return false; } // -------------------------------------------------------------------------------------------------------- // Set audio buffers for (uint32_t i=0; i < pData->audioIn.count; ++i) carla_copyFloats(fAudioInBuffers[i], audioIn[i]+timeOffset, frames); for (uint32_t i=0; i < pData->audioOut.count; ++i) carla_zeroFloats(fAudioOutBuffers[i], frames); // -------------------------------------------------------------------------------------------------------- // Set CV buffers for (uint32_t i=0; i < pData->cvIn.count; ++i) carla_copyFloats(fCvInBuffers[i], cvIn[i]+timeOffset, frames); for (uint32_t i=0; i < pData->cvOut.count; ++i) carla_zeroFloats(fCvOutBuffers[i], frames); // -------------------------------------------------------------------------------------------------------- // Run plugin fDescriptor->run(fHandle, frames); if (fHandle2 != nullptr) fDescriptor->run(fHandle2, frames); // -------------------------------------------------------------------------------------------------------- // Handle trigger parameters for (uint32_t k=0; k < pData->param.count; ++k) { if (pData->param.data[k].type != PARAMETER_INPUT) continue; if (pData->param.data[k].hints & PARAMETER_IS_TRIGGER) { if (carla_isNotEqual(fParamBuffers[k], pData->param.ranges[k].def)) { fParamBuffers[k] = pData->param.ranges[k].def; pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast(k), 0, fParamBuffers[k]); } } } pData->postRtEvents.trySplice(); #ifndef BUILD_BRIDGE // -------------------------------------------------------------------------------------------------------- // Post-processing (dry/wet, volume and balance) { 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) { if (k < pData->latency.frames) bufValue = pData->latency.buffers[c][k]; else if (pData->latency.frames < frames) bufValue = fAudioInBuffers[c][k-pData->latency.frames]; else bufValue = fAudioInBuffers[c][k]; fAudioOutBuffers[i][k] = (fAudioOutBuffers[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, fAudioOutBuffers[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 fAudioOutBuffers[i][k] = oldBufLeft[k] * (1.0f - balRangeL); fAudioOutBuffers[i][k] += fAudioOutBuffers[i+1][k] * (1.0f - balRangeR); } else { // right fAudioOutBuffers[i][k] = fAudioOutBuffers[i][k] * balRangeR; fAudioOutBuffers[i][k] += oldBufLeft[k] * balRangeL; } } } // Volume (and buffer copy) { for (uint32_t k=0; k < frames; ++k) audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k] * pData->postProc.volume; } } } // End of Post-processing // -------------------------------------------------------------------------------------------------------- // Save latency values for next callback if (const uint32_t latframes = pData->latency.frames) { CARLA_SAFE_ASSERT(timeOffset == 0); if (latframes <= frames) { for (uint32_t i=0; i < pData->audioIn.count; ++i) carla_copyFloats(pData->latency.buffers[i], audioIn[i]+(frames-latframes), latframes); } else { const uint32_t diff = pData->latency.frames-frames; for (uint32_t i=0, k; iaudioIn.count; ++i) { // push back buffer by 'frames' for (k=0; k < diff; ++k) pData->latency.buffers[i][k] = pData->latency.buffers[i][k+frames]; // put current input at the end for (uint32_t j=0; k < latframes; ++j, ++k) pData->latency.buffers[i][k] = audioIn[i][j]; } } } #else // BUILD_BRIDGE for (uint32_t i=0; i < pData->audioOut.count; ++i) { for (uint32_t k=0; k < frames; ++k) audioOut[i][k+timeOffset] = fAudioOutBuffers[i][k]; } #endif for (uint32_t i=0; i < pData->cvOut.count; ++i) { for (uint32_t k=0; k < frames; ++k) cvOut[i][k+timeOffset] = fCvOutBuffers[i][k]; } // -------------------------------------------------------------------------------------------------------- pData->singleMutex.unlock(); return true; } void bufferSizeChanged(const uint32_t newBufferSize) override { CARLA_ASSERT_INT(newBufferSize > 0, newBufferSize); carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - start", newBufferSize); for (uint32_t i=0; i < pData->audioIn.count; ++i) { if (fAudioInBuffers[i] != nullptr) delete[] fAudioInBuffers[i]; fAudioInBuffers[i] = new float[newBufferSize]; } for (uint32_t i=0; i < pData->audioOut.count; ++i) { if (fAudioOutBuffers[i] != nullptr) delete[] fAudioOutBuffers[i]; fAudioOutBuffers[i] = new float[newBufferSize]; } if (fHandle2 == nullptr) { for (uint32_t i=0; i < pData->audioIn.count; ++i) { CARLA_ASSERT(fAudioInBuffers[i] != nullptr); fDescriptor->connect_port(fHandle, pData->audioIn.ports[i].rindex, fAudioInBuffers[i]); } for (uint32_t i=0; i < pData->audioOut.count; ++i) { CARLA_ASSERT(fAudioOutBuffers[i] != nullptr); fDescriptor->connect_port(fHandle, pData->audioOut.ports[i].rindex, fAudioOutBuffers[i]); } } else { if (pData->audioIn.count > 0) { CARLA_ASSERT(pData->audioIn.count == 2); CARLA_ASSERT(fAudioInBuffers[0] != nullptr); CARLA_ASSERT(fAudioInBuffers[1] != nullptr); fDescriptor->connect_port(fHandle, pData->audioIn.ports[0].rindex, fAudioInBuffers[0]); fDescriptor->connect_port(fHandle2, pData->audioIn.ports[1].rindex, fAudioInBuffers[1]); } if (pData->audioOut.count > 0) { CARLA_ASSERT(pData->audioOut.count == 2); CARLA_ASSERT(fAudioOutBuffers[0] != nullptr); CARLA_ASSERT(fAudioOutBuffers[1] != nullptr); fDescriptor->connect_port(fHandle, pData->audioOut.ports[0].rindex, fAudioOutBuffers[0]); fDescriptor->connect_port(fHandle2, pData->audioOut.ports[1].rindex, fAudioOutBuffers[1]); } } for (uint32_t i=0; i < pData->cvIn.count; ++i) { if (fCvInBuffers[i] != nullptr) delete[] fCvInBuffers[i]; fCvInBuffers[i] = new float[newBufferSize]; fDescriptor->connect_port(fHandle, pData->cvIn.ports[i].rindex, fCvInBuffers[i]); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, pData->cvIn.ports[i].rindex, fCvInBuffers[i]); } for (uint32_t i=0; i < pData->cvOut.count; ++i) { if (fCvOutBuffers[i] != nullptr) delete[] fCvOutBuffers[i]; fCvOutBuffers[i] = new float[newBufferSize]; fDescriptor->connect_port(fHandle, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]); if (fHandle2 != nullptr) fDescriptor->connect_port(fHandle2, pData->cvOut.ports[i].rindex, fCvOutBuffers[i]); } const int newBufferSizeInt(static_cast(newBufferSize)); if (fLv2Options.maxBufferSize != newBufferSizeInt || (fLv2Options.minBufferSize != 1 && fLv2Options.minBufferSize != newBufferSizeInt)) { fLv2Options.maxBufferSize = fLv2Options.nominalBufferSize = newBufferSizeInt; if (fLv2Options.minBufferSize != 1) fLv2Options.minBufferSize = newBufferSizeInt; if (fExt.options != nullptr && fExt.options->set != nullptr) { fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MaxBlockLenth]); fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::NominalBlockLenth]); if (fLv2Options.minBufferSize != 1) fExt.options->set(fHandle, &fLv2Options.opts[CarlaPluginLV2Options::MinBlockLenth]); } } carla_debug("CarlaPluginLV2::bufferSizeChanged(%i) - end", newBufferSize); } void sampleRateChanged(const double newSampleRate) override { CARLA_ASSERT_INT(newSampleRate > 0.0, newSampleRate); carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - start", newSampleRate); const float sampleRatef = static_cast(newSampleRate); if (carla_isNotEqual(fLv2Options.sampleRate, sampleRatef)) { fLv2Options.sampleRate = sampleRatef; if (fExt.options != nullptr && fExt.options->set != nullptr) { LV2_Options_Option options[2]; carla_zeroStructs(options, 2); LV2_Options_Option& optSampleRate(options[0]); optSampleRate.context = LV2_OPTIONS_INSTANCE; optSampleRate.subject = 0; optSampleRate.key = kUridParamSampleRate; optSampleRate.size = sizeof(float); optSampleRate.type = kUridAtomFloat; optSampleRate.value = &fLv2Options.sampleRate; fExt.options->set(fHandle, options); } } for (uint32_t k=0; k < pData->param.count; ++k) { if (pData->param.data[k].type != PARAMETER_INPUT) continue; if (pData->param.special[k] != PARAMETER_SPECIAL_SAMPLE_RATE) continue; fParamBuffers[k] = sampleRatef; pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast(k), 1, fParamBuffers[k]); break; } carla_debug("CarlaPluginLV2::sampleRateChanged(%g) - end", newSampleRate); } void offlineModeChanged(const bool isOffline) override { for (uint32_t k=0; k < pData->param.count; ++k) { if (pData->param.data[k].type == PARAMETER_INPUT && pData->param.special[k] == PARAMETER_SPECIAL_FREEWHEEL) { fParamBuffers[k] = isOffline ? pData->param.ranges[k].max : pData->param.ranges[k].min; pData->postponeRtEvent(kPluginPostRtEventParameterChange, static_cast(k), 1, fParamBuffers[k]); break; } } } // ------------------------------------------------------------------- // Plugin buffers void initBuffers() const noexcept override { fEventsIn.initBuffers(); fEventsOut.initBuffers(); CarlaPlugin::initBuffers(); } void clearBuffers() noexcept override { carla_debug("CarlaPluginLV2::clearBuffers() - start"); if (fAudioInBuffers != nullptr) { for (uint32_t i=0; i < pData->audioIn.count; ++i) { if (fAudioInBuffers[i] != nullptr) { delete[] fAudioInBuffers[i]; fAudioInBuffers[i] = nullptr; } } delete[] fAudioInBuffers; fAudioInBuffers = nullptr; } if (fAudioOutBuffers != nullptr) { for (uint32_t i=0; i < pData->audioOut.count; ++i) { if (fAudioOutBuffers[i] != nullptr) { delete[] fAudioOutBuffers[i]; fAudioOutBuffers[i] = nullptr; } } delete[] fAudioOutBuffers; fAudioOutBuffers = nullptr; } if (fCvInBuffers != nullptr) { for (uint32_t i=0; i < pData->cvIn.count; ++i) { if (fCvInBuffers[i] != nullptr) { delete[] fCvInBuffers[i]; fCvInBuffers[i] = nullptr; } } delete[] fCvInBuffers; fCvInBuffers = nullptr; } if (fCvOutBuffers != nullptr) { for (uint32_t i=0; i < pData->cvOut.count; ++i) { if (fCvOutBuffers[i] != nullptr) { delete[] fCvOutBuffers[i]; fCvOutBuffers[i] = nullptr; } } delete[] fCvOutBuffers; fCvOutBuffers = nullptr; } if (fParamBuffers != nullptr) { delete[] fParamBuffers; fParamBuffers = nullptr; } fEventsIn.clear(); fEventsOut.clear(); CarlaPlugin::clearBuffers(); carla_debug("CarlaPluginLV2::clearBuffers() - end"); } // ------------------------------------------------------------------- // Post-poned UI Stuff void uiParameterChange(const uint32_t index, const float value) noexcept override { CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,); CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,); if (fUI.type == UI::TYPE_BRIDGE) { if (fPipeServer.isPipeRunning()) fPipeServer.writeControlMessage(static_cast(pData->param.data[index].rindex), value); } else { if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && ! fNeedsUiClose) { CARLA_SAFE_ASSERT_RETURN(pData->param.data[index].rindex >= 0,); fUI.descriptor->port_event(fUI.handle, static_cast(pData->param.data[index].rindex), sizeof(float), kUridNull, &value); } } } void uiMidiProgramChange(const uint32_t index) noexcept override { CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,); CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,); if (fUI.type == UI::TYPE_BRIDGE) { if (fPipeServer.isPipeRunning()) fPipeServer.writeMidiProgramMessage(pData->midiprog.data[index].bank, pData->midiprog.data[index].program); } else { if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program != nullptr && ! fNeedsUiClose) fExt.uiprograms->select_program(fUI.handle, pData->midiprog.data[index].bank, pData->midiprog.data[index].program); } } void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override { CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,); CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,); CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,); CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,); if (fUI.type == UI::TYPE_BRIDGE) { if (fPipeServer.isPipeRunning()) fPipeServer.writeMidiNoteMessage(false, channel, note, velo); } else { if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr && ! fNeedsUiClose) { LV2_Atom_MidiEvent midiEv; midiEv.atom.type = kUridMidiEvent; midiEv.atom.size = 3; midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_ON | (channel & MIDI_CHANNEL_BIT)); midiEv.data[1] = note; midiEv.data[2] = velo; fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), kUridAtomTransferEvent, &midiEv); } } } void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override { CARLA_SAFE_ASSERT_RETURN(fUI.type != UI::TYPE_NULL,); CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,); CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,); if (fUI.type == UI::TYPE_BRIDGE) { if (fPipeServer.isPipeRunning()) fPipeServer.writeMidiNoteMessage(false, channel, note, 0); } else { if (fUI.handle != nullptr && fUI.descriptor != nullptr && fUI.descriptor->port_event != nullptr && fEventsIn.ctrl != nullptr && ! fNeedsUiClose) { LV2_Atom_MidiEvent midiEv; midiEv.atom.type = kUridMidiEvent; midiEv.atom.size = 3; midiEv.data[0] = uint8_t(MIDI_STATUS_NOTE_OFF | (channel & MIDI_CHANNEL_BIT)); midiEv.data[1] = note; midiEv.data[2] = 0; fUI.descriptor->port_event(fUI.handle, fEventsIn.ctrl->rindex, lv2_atom_total_size(midiEv), kUridAtomTransferEvent, &midiEv); } } } // ------------------------------------------------------------------- bool isRealtimeSafe() const noexcept { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr, false); for (uint32_t i=0; i < fRdfDescriptor->FeatureCount; ++i) { if (std::strcmp(fRdfDescriptor->Features[i].URI, LV2_CORE__hardRTCapable) == 0) return true; } return false; } // ------------------------------------------------------------------- bool isUiBridgeable(const uint32_t uiId) const noexcept { CARLA_SAFE_ASSERT_RETURN(uiId < fRdfDescriptor->UICount, false); #ifndef LV2_UIS_ONLY_INPROCESS const LV2_RDF_UI* const rdfUI(&fRdfDescriptor->UIs[uiId]); for (uint32_t i=0; i < rdfUI->FeatureCount; ++i) { const LV2_RDF_Feature& feat(rdfUI->Features[i]); if (! feat.Required) continue; if (std::strcmp(feat.URI, LV2_INSTANCE_ACCESS_URI) == 0) return false; if (std::strcmp(feat.URI, LV2_DATA_ACCESS_URI) == 0) return false; } // Calf UIs are mostly useless without their special graphs // but they can be crashy under certain conditions, so follow user preferences if (std::strstr(rdfUI->URI, "http://calf.sourceforge.net/plugins/gui/") != nullptr) return pData->engine->getOptions().preferUiBridges; return true; #else return false; #endif } bool isUiResizable() const noexcept { CARLA_SAFE_ASSERT_RETURN(fUI.rdfDescriptor != nullptr, false); for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i) { if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__fixedSize) == 0) return false; if (std::strcmp(fUI.rdfDescriptor->Features[i].URI, LV2_UI__noUserResize) == 0) return false; } return true; } const char* getUiBridgeBinary(const LV2_Property type) const { CarlaString bridgeBinary(pData->engine->getOptions().binaryDir); if (bridgeBinary.isEmpty()) return nullptr; switch (type) { case LV2_UI_GTK2: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk2"; break; case LV2_UI_GTK3: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-gtk3"; break; case LV2_UI_QT4: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt4"; break; case LV2_UI_QT5: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-qt5"; break; case LV2_UI_COCOA: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-cocoa"; break; case LV2_UI_WINDOWS: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-windows"; break; case LV2_UI_X11: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-x11"; break; #if 0 case LV2_UI_EXTERNAL: case LV2_UI_OLD_EXTERNAL: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-lv2-external"; break; #endif default: return nullptr; } #ifdef CARLA_OS_WIN bridgeBinary += ".exe"; #endif if (! File(bridgeBinary.buffer()).existsAsFile()) return nullptr; return bridgeBinary.dup(); } // ------------------------------------------------------------------- void recheckExtensions() { CARLA_SAFE_ASSERT_RETURN(fRdfDescriptor != nullptr,); carla_debug("CarlaPluginLV2::recheckExtensions()"); fExt.options = nullptr; fExt.programs = nullptr; fExt.state = nullptr; fExt.worker = nullptr; fExt.inlineDisplay = nullptr; for (uint32_t i=0; i < fRdfDescriptor->ExtensionCount; ++i) { CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->Extensions[i] != nullptr); if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_OPTIONS__interface) == 0) pData->hints |= PLUGIN_HAS_EXTENSION_OPTIONS; else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_PROGRAMS__Interface) == 0) pData->hints |= PLUGIN_HAS_EXTENSION_PROGRAMS; else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_STATE__interface) == 0) pData->hints |= PLUGIN_HAS_EXTENSION_STATE; else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_WORKER__interface) == 0) pData->hints |= PLUGIN_HAS_EXTENSION_WORKER; else if (std::strcmp(fRdfDescriptor->Extensions[i], LV2_INLINEDISPLAY__interface) == 0) pData->hints |= PLUGIN_HAS_EXTENSION_INLINE_DISPLAY; else carla_stdout("Plugin has non-supported extension: '%s'", fRdfDescriptor->Extensions[i]); } if (fDescriptor->extension_data != nullptr) { if (pData->hints & PLUGIN_HAS_EXTENSION_OPTIONS) fExt.options = (const LV2_Options_Interface*)fDescriptor->extension_data(LV2_OPTIONS__interface); if (pData->hints & PLUGIN_HAS_EXTENSION_PROGRAMS) fExt.programs = (const LV2_Programs_Interface*)fDescriptor->extension_data(LV2_PROGRAMS__Interface); if (pData->hints & PLUGIN_HAS_EXTENSION_STATE) fExt.state = (const LV2_State_Interface*)fDescriptor->extension_data(LV2_STATE__interface); if (pData->hints & PLUGIN_HAS_EXTENSION_WORKER) fExt.worker = (const LV2_Worker_Interface*)fDescriptor->extension_data(LV2_WORKER__interface); if (pData->hints & PLUGIN_HAS_EXTENSION_INLINE_DISPLAY) fExt.inlineDisplay = (const LV2_Inline_Display_Interface*)fDescriptor->extension_data(LV2_INLINEDISPLAY__interface); // check if invalid if (fExt.options != nullptr && fExt.options->get == nullptr && fExt.options->set == nullptr) fExt.options = nullptr; if (fExt.programs != nullptr && (fExt.programs->get_program == nullptr || fExt.programs->select_program == nullptr)) fExt.programs = nullptr; if (fExt.state != nullptr && (fExt.state->save == nullptr || fExt.state->restore == nullptr)) fExt.state = nullptr; if (fExt.worker != nullptr && fExt.worker->work == nullptr) fExt.worker = nullptr; if (fExt.inlineDisplay != nullptr) { if (fExt.inlineDisplay->render != nullptr) pData->hints |= PLUGIN_HAS_INLINE_DISPLAY; else fExt.inlineDisplay = nullptr; } } CARLA_SAFE_ASSERT_RETURN(fLatencyIndex == -1,); int32_t iCtrl=0; for (uint32_t i=0, count=fRdfDescriptor->PortCount; iPorts[i].Types); if (! LV2_IS_PORT_CONTROL(portTypes)) continue; const ScopedValueSetter svs(iCtrl, iCtrl, iCtrl+1); if (! LV2_IS_PORT_OUTPUT(portTypes)) continue; const LV2_Property portDesignation(fRdfDescriptor->Ports[i].Designation); if (! LV2_IS_PORT_DESIGNATION_LATENCY(portDesignation)) continue; fLatencyIndex = iCtrl; break; } } // ------------------------------------------------------------------- void updateUi() { CARLA_SAFE_ASSERT_RETURN(fUI.handle != nullptr,); CARLA_SAFE_ASSERT_RETURN(fUI.descriptor != nullptr,); carla_debug("CarlaPluginLV2::updateUi()"); // update midi program if (fExt.uiprograms != nullptr && pData->midiprog.count > 0 && pData->midiprog.current >= 0) { const MidiProgramData& curData(pData->midiprog.getCurrent()); fExt.uiprograms->select_program(fUI.handle, curData.bank, curData.program); } // update control ports if (fUI.descriptor->port_event != nullptr) { float value; for (uint32_t i=0; i < pData->param.count; ++i) { value = getParameterValue(i); fUI.descriptor->port_event(fUI.handle, static_cast(pData->param.data[i].rindex), sizeof(float), kUridNull, &value); } } } // ------------------------------------------------------------------- LV2_URID getCustomURID(const char* const uri) { CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', kUridNull); carla_debug("CarlaPluginLV2::getCustomURID(\"%s\")", uri); const std::string s_uri(uri); const std::ptrdiff_t s_pos(std::find(fCustomURIDs.begin(), fCustomURIDs.end(), s_uri) - fCustomURIDs.begin()); if (s_pos <= 0 || s_pos >= INT32_MAX) return kUridNull; const LV2_URID urid = static_cast(s_pos); const LV2_URID uriCount = static_cast(fCustomURIDs.size()); if (urid < uriCount) return urid; CARLA_SAFE_ASSERT(urid == uriCount); fCustomURIDs.push_back(uri); if (fUI.type == UI::TYPE_BRIDGE && fPipeServer.isPipeRunning()) fPipeServer.writeLv2UridMessage(urid, uri); return urid; } const char* getCustomURIDString(const LV2_URID urid) const noexcept { static const char* const sFallback = "urn:null"; CARLA_SAFE_ASSERT_RETURN(urid != kUridNull, sFallback); CARLA_SAFE_ASSERT_RETURN(urid < fCustomURIDs.size(), sFallback); carla_debug("CarlaPluginLV2::getCustomURIString(%i)", urid); return fCustomURIDs[urid].c_str(); } // ------------------------------------------------------------------- void handleProgramChanged(const int32_t index) { CARLA_SAFE_ASSERT_RETURN(index >= -1,); carla_debug("CarlaPluginLV2::handleProgramChanged(%i)", index); if (index == -1) { const ScopedSingleProcessLocker spl(this, true); return reloadPrograms(false); } if (index < static_cast(pData->midiprog.count) && fExt.programs != nullptr && fExt.programs->get_program != nullptr) { if (const LV2_Program_Descriptor* const progDesc = fExt.programs->get_program(fHandle, static_cast(index))) { CARLA_SAFE_ASSERT_RETURN(progDesc->name != nullptr,); if (pData->midiprog.data[index].name != nullptr) delete[] pData->midiprog.data[index].name; pData->midiprog.data[index].name = carla_strdup(progDesc->name); if (index == pData->midiprog.current) pData->engine->callback(ENGINE_CALLBACK_UPDATE, pData->id, 0, 0, 0.0, nullptr); else pData->engine->callback(ENGINE_CALLBACK_RELOAD_PROGRAMS, pData->id, 0, 0, 0.0, nullptr); } } } // ------------------------------------------------------------------- LV2_Resize_Port_Status handleResizePort(const uint32_t index, const size_t size) { CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_RESIZE_PORT_ERR_UNKNOWN); carla_debug("CarlaPluginLV2::handleResizePort(%i, " P_SIZE ")", index, size); // TODO return LV2_RESIZE_PORT_ERR_NO_SPACE; (void)index; } // ------------------------------------------------------------------- LV2_State_Status handleStateStore(const uint32_t key, const void* const value, const size_t size, const uint32_t type, const uint32_t flags) { CARLA_SAFE_ASSERT_RETURN(key != kUridNull, LV2_STATE_ERR_NO_PROPERTY); CARLA_SAFE_ASSERT_RETURN(value != nullptr, LV2_STATE_ERR_NO_PROPERTY); CARLA_SAFE_ASSERT_RETURN(size > 0, LV2_STATE_ERR_NO_PROPERTY); CARLA_SAFE_ASSERT_RETURN(type != kUridNull, LV2_STATE_ERR_BAD_TYPE); CARLA_SAFE_ASSERT_RETURN(flags & LV2_STATE_IS_POD, LV2_STATE_ERR_BAD_FLAGS); carla_debug("CarlaPluginLV2::handleStateStore(%i:\"%s\", %p, " P_SIZE ", %i:\"%s\", %i)", key, carla_lv2_urid_unmap(this, key), value, size, type, carla_lv2_urid_unmap(this, type), flags); const char* const skey(carla_lv2_urid_unmap(this, key)); const char* const stype(carla_lv2_urid_unmap(this, type)); CARLA_SAFE_ASSERT_RETURN(skey != nullptr, LV2_STATE_ERR_BAD_TYPE); CARLA_SAFE_ASSERT_RETURN(stype != nullptr, LV2_STATE_ERR_BAD_TYPE); // Check if we already have this key for (LinkedList::Itenerator it = pData->custom.begin2(); it.valid(); it.next()) { CustomData& cData(it.getValue(kCustomDataFallbackNC)); CARLA_SAFE_ASSERT_CONTINUE(cData.isValid()); if (std::strcmp(cData.key, skey) == 0) { // found it delete[] cData.value; if (type == kUridAtomString || type == kUridAtomPath) cData.value = carla_strdup((const char*)value); else cData.value = CarlaString::asBase64(value, size).dup(); return LV2_STATE_SUCCESS; } } // Otherwise store it CustomData newData; newData.type = carla_strdup(stype); newData.key = carla_strdup(skey); if (type == kUridAtomString || type == kUridAtomPath) newData.value = carla_strdup((const char*)value); else newData.value = CarlaString::asBase64(value, size).dup(); pData->custom.append(newData); return LV2_STATE_SUCCESS; } const void* handleStateRetrieve(const uint32_t key, size_t* const size, uint32_t* const type, uint32_t* const flags) { CARLA_SAFE_ASSERT_RETURN(key != kUridNull, nullptr); CARLA_SAFE_ASSERT_RETURN(size != nullptr, nullptr); CARLA_SAFE_ASSERT_RETURN(type != nullptr, nullptr); CARLA_SAFE_ASSERT_RETURN(flags != nullptr, nullptr); carla_debug("CarlaPluginLV2::handleStateRetrieve(%i, %p, %p, %p)", key, size, type, flags); const char* const skey(carla_lv2_urid_unmap(this, key)); CARLA_SAFE_ASSERT_RETURN(skey != nullptr, nullptr); const char* stype = nullptr; const char* stringData = nullptr; for (LinkedList::Itenerator it = pData->custom.begin2(); it.valid(); it.next()) { const CustomData& cData(it.getValue(kCustomDataFallback)); CARLA_SAFE_ASSERT_CONTINUE(cData.isValid()); if (std::strcmp(cData.key, skey) == 0) { stype = cData.type; stringData = cData.value; break; } } CARLA_SAFE_ASSERT_RETURN(stype != nullptr, nullptr); CARLA_SAFE_ASSERT_RETURN(stringData != nullptr, nullptr); *type = carla_lv2_urid_map(this, stype); *flags = LV2_STATE_IS_POD; if (*type == kUridAtomString || *type == kUridAtomPath) { *size = std::strlen(stringData); return stringData; } else { if (fLastStateChunk != nullptr) { std::free(fLastStateChunk); fLastStateChunk = nullptr; } std::vector chunk(carla_getChunkFromBase64String(stringData)); CARLA_SAFE_ASSERT_RETURN(chunk.size() > 0, nullptr); fLastStateChunk = std::malloc(chunk.size()); CARLA_SAFE_ASSERT_RETURN(fLastStateChunk != nullptr, nullptr); #ifdef CARLA_PROPER_CPP11_SUPPORT std::memcpy(fLastStateChunk, chunk.data(), chunk.size()); #else std::memcpy(fLastStateChunk, &chunk.front(), chunk.size()); #endif *size = chunk.size(); return fLastStateChunk; } } // ------------------------------------------------------------------- LV2_Worker_Status handleWorkerSchedule(const uint32_t size, const void* const data) { CARLA_SAFE_ASSERT_RETURN(fExt.worker != nullptr && fExt.worker->work != nullptr, LV2_WORKER_ERR_UNKNOWN); CARLA_SAFE_ASSERT_RETURN(fEventsIn.ctrl != nullptr, LV2_WORKER_ERR_UNKNOWN); carla_debug("CarlaPluginLV2::handleWorkerSchedule(%i, %p)", size, data); if (pData->engine->isOffline()) { fExt.worker->work(fHandle, carla_lv2_worker_respond, this, size, data); return LV2_WORKER_SUCCESS; } LV2_Atom atom; atom.size = size; atom.type = kUridCarlaAtomWorker; return fAtomBufferOut.putChunk(&atom, data, fEventsOut.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE; } LV2_Worker_Status handleWorkerRespond(const uint32_t size, const void* const data) { carla_debug("CarlaPluginLV2::handleWorkerRespond(%i, %p)", size, data); LV2_Atom atom; atom.size = size; atom.type = kUridCarlaAtomWorker; return fAtomBufferIn.putChunk(&atom, data, fEventsIn.ctrlIndex) ? LV2_WORKER_SUCCESS : LV2_WORKER_ERR_NO_SPACE; } // ------------------------------------------------------------------- void handleInlineDisplayQueueRedraw() { // TODO } LV2_Inline_Display_Image_Surface* renderInlineDisplay(int width, int height) { CARLA_SAFE_ASSERT_RETURN(fExt.inlineDisplay != nullptr && fExt.inlineDisplay->render != nullptr, nullptr); CARLA_SAFE_ASSERT_RETURN(width > 0, nullptr); CARLA_SAFE_ASSERT_RETURN(height > 0, nullptr); return fExt.inlineDisplay->render(fHandle, static_cast(width), static_cast(height)); } // ------------------------------------------------------------------- void handleExternalUIClosed() { CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EXTERNAL,); carla_debug("CarlaPluginLV2::handleExternalUIClosed()"); fNeedsUiClose = true; } void handlePluginUIClosed() override { CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,); CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,); carla_debug("CarlaPluginLV2::handlePluginUIClosed()"); fNeedsUiClose = true; } void handlePluginUIResized(const uint width, const uint height) override { CARLA_SAFE_ASSERT_RETURN(fUI.type == UI::TYPE_EMBED,); CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr,); carla_debug("CarlaPluginLV2::handlePluginUIResized(%u, %u)", width, height); if (fUI.handle != nullptr && fExt.uiresize != nullptr) fExt.uiresize->ui_resize(fUI.handle, static_cast(width), static_cast(height)); } // ------------------------------------------------------------------- uint32_t handleUIPortMap(const char* const symbol) const noexcept { CARLA_SAFE_ASSERT_RETURN(symbol != nullptr && symbol[0] != '\0', LV2UI_INVALID_PORT_INDEX); carla_debug("CarlaPluginLV2::handleUIPortMap(\"%s\")", symbol); for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i) { if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, symbol) == 0) return i; } return LV2UI_INVALID_PORT_INDEX; } int handleUIResize(const int width, const int height) { CARLA_SAFE_ASSERT_RETURN(fUI.window != nullptr, 1); CARLA_SAFE_ASSERT_RETURN(width > 0, 1); CARLA_SAFE_ASSERT_RETURN(height > 0, 1); carla_debug("CarlaPluginLV2::handleUIResize(%i, %i)", width, height); fUI.window->setSize(static_cast(width), static_cast(height), true); return 0; } void handleUIWrite(const uint32_t rindex, const uint32_t bufferSize, const uint32_t format, const void* const buffer) { CARLA_SAFE_ASSERT_RETURN(buffer != nullptr,); CARLA_SAFE_ASSERT_RETURN(bufferSize > 0,); carla_debug("CarlaPluginLV2::handleUIWrite(%i, %i, %i, %p)", rindex, bufferSize, format, buffer); uint32_t index = LV2UI_INVALID_PORT_INDEX; switch (format) { case kUridNull: { CARLA_SAFE_ASSERT_RETURN(bufferSize == sizeof(float),); for (uint32_t i=0; i < pData->param.count; ++i) { if (pData->param.data[i].rindex != static_cast(rindex)) continue; index = i; break; } CARLA_SAFE_ASSERT_RETURN(index != LV2UI_INVALID_PORT_INDEX,); const float value(*(const float*)buffer); //if (carla_isNotEqual(fParamBuffers[index], value)) setParameterValue(index, value, false, true, true); } break; case kUridAtomTransferAtom: case kUridAtomTransferEvent: { CARLA_SAFE_ASSERT_RETURN(bufferSize >= sizeof(LV2_Atom),); const LV2_Atom* const atom((const LV2_Atom*)buffer); // plugins sometimes fail on this, not good... CARLA_SAFE_ASSERT_INT2(bufferSize == lv2_atom_total_size(atom), bufferSize, atom->size); for (uint32_t i=0; i < fEventsIn.count; ++i) { if (fEventsIn.data[i].rindex != rindex) continue; index = i; break; } // for bad plugins if (index == LV2UI_INVALID_PORT_INDEX) { CARLA_SAFE_ASSERT(index != LV2UI_INVALID_PORT_INDEX); // FIXME index = fEventsIn.ctrlIndex; } fAtomBufferIn.put(atom, index); } break; default: carla_stdout("CarlaPluginLV2::handleUIWrite(%i, %i, %i:\"%s\", %p) - unknown format", rindex, bufferSize, format, carla_lv2_urid_unmap(this, format), buffer); break; } } // ------------------------------------------------------------------- void handleLilvSetPortValue(const char* const portSymbol, const void* const value, const uint32_t size, const uint32_t type) { CARLA_SAFE_ASSERT_RETURN(portSymbol != nullptr && portSymbol[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(value != nullptr,); CARLA_SAFE_ASSERT_RETURN(size > 0,); CARLA_SAFE_ASSERT_RETURN(type != kUridNull,); carla_debug("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i)", portSymbol, value, size, type); int32_t rindex = -1; for (uint32_t i=0; i < fRdfDescriptor->PortCount; ++i) { if (std::strcmp(fRdfDescriptor->Ports[i].Symbol, portSymbol) == 0) { rindex = static_cast(i); break; } } CARLA_SAFE_ASSERT_RETURN(rindex >= 0,); float paramValue; switch (type) { case kUridAtomBool: CARLA_SAFE_ASSERT_RETURN(size == sizeof(bool),); paramValue = (*(const bool*)value) ? 1.0f : 0.0f; break; case kUridAtomDouble: CARLA_SAFE_ASSERT_RETURN(size == sizeof(double),); paramValue = static_cast((*(const double*)value)); break; case kUridAtomFloat: CARLA_SAFE_ASSERT_RETURN(size == sizeof(float),); paramValue = (*(const float*)value); break; case kUridAtomInt: CARLA_SAFE_ASSERT_RETURN(size == sizeof(int32_t),); paramValue = static_cast((*(const int32_t*)value)); break; case kUridAtomLong: CARLA_SAFE_ASSERT_RETURN(size == sizeof(int64_t),); paramValue = static_cast((*(const int64_t*)value)); break; default: carla_stdout("CarlaPluginLV2::handleLilvSetPortValue(\"%s\", %p, %i, %i:\"%s\") - unknown type", portSymbol, value, size, type, carla_lv2_urid_unmap(this, type)); return; } for (uint32_t i=0; i < pData->param.count; ++i) { if (pData->param.data[i].rindex == rindex) { setParameterValue(i, paramValue, true, true, true); break; } } } // ------------------------------------------------------------------- void* getNativeHandle() const noexcept override { return fHandle; } const void* getNativeDescriptor() const noexcept override { return fDescriptor; } uintptr_t getUiBridgeProcessId() const noexcept override { return fPipeServer.isPipeRunning() ? fPipeServer.getPID() : 0; } // ------------------------------------------------------------------- public: bool init(const char* const name, const char* const uri, 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 (uri == nullptr || uri[0] == '\0') { pData->engine->setLastError("null uri"); return false; } // --------------------------------------------------------------- // Init LV2 World if needed, sets LV2_PATH for lilv Lv2WorldClass& lv2World(Lv2WorldClass::getInstance()); if (pData->engine->getOptions().pathLV2 != nullptr && pData->engine->getOptions().pathLV2[0] != '\0') lv2World.initIfNeeded(pData->engine->getOptions().pathLV2); else if (const char* const LV2_PATH = std::getenv("LV2_PATH")) lv2World.initIfNeeded(LV2_PATH); else lv2World.initIfNeeded(LILV_DEFAULT_LV2_PATH); // --------------------------------------------------------------- // get plugin from lv2_rdf (lilv) fRdfDescriptor = lv2_rdf_new(uri, true); if (fRdfDescriptor == nullptr) { pData->engine->setLastError("Failed to find the requested plugin"); return false; } // --------------------------------------------------------------- // open DLL if (! pData->libOpen(fRdfDescriptor->Binary)) { pData->engine->setLastError(pData->libError(fRdfDescriptor->Binary)); return false; } // --------------------------------------------------------------- // try to get DLL main entry via new mode if (const LV2_Lib_Descriptor_Function libDescFn = pData->libSymbol("lv2_lib_descriptor")) { // ----------------------------------------------------------- // all ok, get lib descriptor const LV2_Lib_Descriptor* const libDesc = libDescFn(fRdfDescriptor->Bundle, nullptr); if (libDesc == nullptr) { pData->engine->setLastError("Could not find the LV2 Descriptor"); return false; } // ----------------------------------------------------------- // get descriptor that matches URI (new mode) uint32_t i = 0; while ((fDescriptor = libDesc->get_plugin(libDesc->handle, i++))) { if (std::strcmp(fDescriptor->URI, uri) == 0) break; } } else { // ----------------------------------------------------------- // get DLL main entry (old mode) const LV2_Descriptor_Function descFn = pData->libSymbol("lv2_descriptor"); if (descFn == nullptr) { pData->engine->setLastError("Could not find the LV2 Descriptor in the plugin library"); return false; } // ----------------------------------------------------------- // get descriptor that matches URI (old mode) uint32_t i = 0; while ((fDescriptor = descFn(i++))) { if (std::strcmp(fDescriptor->URI, uri) == 0) break; } } if (fDescriptor == nullptr) { pData->engine->setLastError("Could not find the requested plugin URI in the plugin library"); return false; } // --------------------------------------------------------------- // check supported port-types and features bool canContinue = true; // Check supported ports for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j) { const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types); if (! is_lv2_port_supported(portTypes)) { if (! LV2_IS_PORT_OPTIONAL(fRdfDescriptor->Ports[j].Properties)) { pData->engine->setLastError("Plugin requires a port type that is not currently supported"); canContinue = false; break; } } } // Check supported features for (uint32_t j=0; j < fRdfDescriptor->FeatureCount && canContinue; ++j) { const LV2_RDF_Feature& feature(fRdfDescriptor->Features[j]); if (std::strcmp(feature.URI, LV2_DATA_ACCESS_URI) == 0 || std::strcmp(feature.URI, LV2_INSTANCE_ACCESS_URI) == 0) { carla_stderr("Plugin DSP wants UI feature '%s', ignoring this", feature.URI); } else if (std::strcmp(feature.URI, LV2_BUF_SIZE__fixedBlockLength) == 0) { fNeedsFixedBuffers = true; } else if (std::strcmp(feature.URI, LV2_PORT_PROPS__supportsStrictBounds) == 0) { fStrictBounds = feature.Required ? 1 : 0; } else if (feature.Required && ! is_lv2_feature_supported(feature.URI)) { CarlaString msg("Plugin wants a feature that is not supported:\n"); msg += feature.URI; canContinue = false; pData->engine->setLastError(msg); break; } } if (! canContinue) { // error already set return false; } if (fNeedsFixedBuffers && ! pData->engine->usesConstantBufferSize()) { pData->engine->setLastError("Cannot use this plugin under the current engine.\n" "The plugin requires a fixed block size which is not possible right now."); return false; } // --------------------------------------------------------------- // get info if (name != nullptr && name[0] != '\0') pData->name = pData->engine->getUniquePluginName(name); else pData->name = pData->engine->getUniquePluginName(fRdfDescriptor->Name); // --------------------------------------------------------------- // 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 options const int bufferSize = static_cast(pData->engine->getBufferSize()); fLv2Options.minBufferSize = fNeedsFixedBuffers ? bufferSize : 1; fLv2Options.maxBufferSize = bufferSize; fLv2Options.nominalBufferSize = bufferSize; fLv2Options.sampleRate = pData->engine->getSampleRate(); fLv2Options.transientWinId = static_cast(pData->engine->getOptions().frontendWinId); uint32_t eventBufferSize = MAX_DEFAULT_BUFFER_SIZE; for (uint32_t j=0; j < fRdfDescriptor->PortCount; ++j) { const LV2_Property portTypes(fRdfDescriptor->Ports[j].Types); if (LV2_IS_PORT_ATOM_SEQUENCE(portTypes) || LV2_IS_PORT_EVENT(portTypes) || LV2_IS_PORT_MIDI_LL(portTypes)) { if (fRdfDescriptor->Ports[j].MinimumSize > eventBufferSize) eventBufferSize = fRdfDescriptor->Ports[j].MinimumSize; } } fLv2Options.sequenceSize = static_cast(eventBufferSize); // --------------------------------------------------------------- // initialize features (part 1) LV2_Event_Feature* const eventFt = new LV2_Event_Feature; eventFt->callback_data = this; eventFt->lv2_event_ref = carla_lv2_event_ref; eventFt->lv2_event_unref = carla_lv2_event_unref; LV2_Log_Log* const logFt = new LV2_Log_Log; logFt->handle = this; logFt->printf = carla_lv2_log_printf; logFt->vprintf = carla_lv2_log_vprintf; LV2_State_Make_Path* const stateMakePathFt = new LV2_State_Make_Path; stateMakePathFt->handle = this; stateMakePathFt->path = carla_lv2_state_make_path; LV2_State_Map_Path* const stateMapPathFt = new LV2_State_Map_Path; stateMapPathFt->handle = this; stateMapPathFt->abstract_path = carla_lv2_state_map_abstract_path; stateMapPathFt->absolute_path = carla_lv2_state_map_absolute_path; LV2_Programs_Host* const programsFt = new LV2_Programs_Host; programsFt->handle = this; programsFt->program_changed = carla_lv2_program_changed; LV2_Resize_Port_Resize* const rsPortFt = new LV2_Resize_Port_Resize; rsPortFt->data = this; rsPortFt->resize = carla_lv2_resize_port; LV2_RtMemPool_Pool* const rtMemPoolFt = new LV2_RtMemPool_Pool; lv2_rtmempool_init(rtMemPoolFt); LV2_RtMemPool_Pool_Deprecated* const rtMemPoolOldFt = new LV2_RtMemPool_Pool_Deprecated; lv2_rtmempool_init_deprecated(rtMemPoolOldFt); LV2_URI_Map_Feature* const uriMapFt = new LV2_URI_Map_Feature; uriMapFt->callback_data = this; uriMapFt->uri_to_id = carla_lv2_uri_to_id; LV2_URID_Map* const uridMapFt = new LV2_URID_Map; uridMapFt->handle = this; uridMapFt->map = carla_lv2_urid_map; LV2_URID_Unmap* const uridUnmapFt = new LV2_URID_Unmap; uridUnmapFt->handle = this; uridUnmapFt->unmap = carla_lv2_urid_unmap; LV2_Worker_Schedule* const workerFt = new LV2_Worker_Schedule; workerFt->handle = this; workerFt->schedule_work = carla_lv2_worker_schedule; LV2_Inline_Display* const inlineDisplay = new LV2_Inline_Display; inlineDisplay->handle = this; inlineDisplay->queue_draw = carla_lv2_inline_display_queue_draw; // --------------------------------------------------------------- // initialize features (part 2) for (uint32_t j=0; j < kFeatureCountPlugin; ++j) fFeatures[j] = new LV2_Feature; fFeatures[kFeatureIdBufSizeBounded]->URI = LV2_BUF_SIZE__boundedBlockLength; fFeatures[kFeatureIdBufSizeBounded]->data = nullptr; fFeatures[kFeatureIdBufSizeFixed]->URI = fNeedsFixedBuffers ? LV2_BUF_SIZE__fixedBlockLength : LV2_BUF_SIZE__boundedBlockLength; fFeatures[kFeatureIdBufSizeFixed]->data = nullptr; fFeatures[kFeatureIdBufSizePowerOf2]->URI = LV2_BUF_SIZE__powerOf2BlockLength; fFeatures[kFeatureIdBufSizePowerOf2]->data = nullptr; fFeatures[kFeatureIdEvent]->URI = LV2_EVENT_URI; fFeatures[kFeatureIdEvent]->data = eventFt; fFeatures[kFeatureIdHardRtCapable]->URI = LV2_CORE__hardRTCapable; fFeatures[kFeatureIdHardRtCapable]->data = nullptr; fFeatures[kFeatureIdInPlaceBroken]->URI = LV2_CORE__inPlaceBroken; fFeatures[kFeatureIdInPlaceBroken]->data = nullptr; fFeatures[kFeatureIdIsLive]->URI = LV2_CORE__isLive; fFeatures[kFeatureIdIsLive]->data = nullptr; fFeatures[kFeatureIdLogs]->URI = LV2_LOG__log; fFeatures[kFeatureIdLogs]->data = logFt; fFeatures[kFeatureIdOptions]->URI = LV2_OPTIONS__options; fFeatures[kFeatureIdOptions]->data = fLv2Options.opts; fFeatures[kFeatureIdPrograms]->URI = LV2_PROGRAMS__Host; fFeatures[kFeatureIdPrograms]->data = programsFt; fFeatures[kFeatureIdResizePort]->URI = LV2_RESIZE_PORT__resize; fFeatures[kFeatureIdResizePort]->data = rsPortFt; fFeatures[kFeatureIdRtMemPool]->URI = LV2_RTSAFE_MEMORY_POOL__Pool; fFeatures[kFeatureIdRtMemPool]->data = rtMemPoolFt; fFeatures[kFeatureIdRtMemPoolOld]->URI = LV2_RTSAFE_MEMORY_POOL_DEPRECATED_URI; fFeatures[kFeatureIdRtMemPoolOld]->data = rtMemPoolOldFt; fFeatures[kFeatureIdStateMakePath]->URI = LV2_STATE__makePath; fFeatures[kFeatureIdStateMakePath]->data = stateMakePathFt; fFeatures[kFeatureIdStateMapPath]->URI = LV2_STATE__mapPath; fFeatures[kFeatureIdStateMapPath]->data = stateMapPathFt; fFeatures[kFeatureIdStrictBounds]->URI = LV2_PORT_PROPS__supportsStrictBounds; fFeatures[kFeatureIdStrictBounds]->data = nullptr; fFeatures[kFeatureIdUriMap]->URI = LV2_URI_MAP_URI; fFeatures[kFeatureIdUriMap]->data = uriMapFt; fFeatures[kFeatureIdUridMap]->URI = LV2_URID__map; fFeatures[kFeatureIdUridMap]->data = uridMapFt; fFeatures[kFeatureIdUridUnmap]->URI = LV2_URID__unmap; fFeatures[kFeatureIdUridUnmap]->data = uridUnmapFt; fFeatures[kFeatureIdWorker]->URI = LV2_WORKER__schedule; fFeatures[kFeatureIdWorker]->data = workerFt; fFeatures[kFeatureIdInlineDisplay]->URI = LV2_INLINEDISPLAY__queue_draw; fFeatures[kFeatureIdInlineDisplay]->data = inlineDisplay; // --------------------------------------------------------------- // initialize plugin try { fHandle = fDescriptor->instantiate(fDescriptor, pData->engine->getSampleRate(), fRdfDescriptor->Bundle, fFeatures); } catch(...) {} if (fHandle == nullptr) { pData->engine->setLastError("Plugin failed to initialize"); return false; } if (std::strcmp(uri, "http://hyperglitch.com/dev/VocProc") == 0) fCanInit2 = false; recheckExtensions(); // --------------------------------------------------------------- // set default options pData->options = 0x0; if (fLatencyIndex >= 0 || getMidiOutCount() != 0 || fNeedsFixedBuffers) pData->options |= PLUGIN_OPTION_FIXED_BUFFERS; else if (options & PLUGIN_OPTION_FIXED_BUFFERS) pData->options |= PLUGIN_OPTION_FIXED_BUFFERS; if (fCanInit2) { if (pData->engine->getOptions().forceStereo) pData->options |= PLUGIN_OPTION_FORCE_STEREO; else if (options & PLUGIN_OPTION_FORCE_STEREO) pData->options |= PLUGIN_OPTION_FORCE_STEREO; } if (getMidiInCount() != 0) { 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_SEND_PROGRAM_CHANGES) pData->options |= PLUGIN_OPTION_SEND_PROGRAM_CHANGES; } if (fExt.programs != nullptr && (pData->options & PLUGIN_OPTION_SEND_PROGRAM_CHANGES) == 0) pData->options |= PLUGIN_OPTION_MAP_PROGRAM_CHANGES; // --------------------------------------------------------------- // gui stuff if (fRdfDescriptor->UICount != 0) initUi(); return true; } // ------------------------------------------------------------------- void initUi() { // --------------------------------------------------------------- // find the most appropriate ui int eQt4, eQt5, eGtk2, eGtk3, eCocoa, eWindows, eX11, eExt, iCocoa, iWindows, iX11, iExt, iFinal; eQt4 = eQt5 = eGtk2 = eGtk3 = eCocoa = eWindows = eX11 = eExt = iCocoa = iWindows = iX11 = iExt = iFinal = -1; #if defined(BUILD_BRIDGE) || defined(LV2_UIS_ONLY_BRIDGES) const bool preferUiBridges(true); #else const bool preferUiBridges(pData->engine->getOptions().preferUiBridges && (pData->hints & PLUGIN_IS_BRIDGE) == 0); #endif bool hasShowInterface = false; for (uint32_t i=0; i < fRdfDescriptor->UICount; ++i) { CARLA_SAFE_ASSERT_CONTINUE(fRdfDescriptor->UIs[i].URI != nullptr); const int ii(static_cast(i)); switch (fRdfDescriptor->UIs[i].Type) { case LV2_UI_QT4: if (isUiBridgeable(i)) eQt4 = ii; break; case LV2_UI_QT5: if (isUiBridgeable(i)) eQt5 = ii; break; case LV2_UI_GTK2: if (isUiBridgeable(i)) eGtk2 = ii; break; case LV2_UI_GTK3: if (isUiBridgeable(i)) eGtk3 = ii; break; case LV2_UI_COCOA: if (isUiBridgeable(i) && preferUiBridges) eCocoa = ii; iCocoa = ii; break; case LV2_UI_WINDOWS: if (isUiBridgeable(i) && preferUiBridges) eWindows = ii; iWindows = ii; break; case LV2_UI_X11: if (isUiBridgeable(i) && preferUiBridges) eX11 = ii; iX11 = ii; break; case LV2_UI_EXTERNAL: case LV2_UI_OLD_EXTERNAL: if (isUiBridgeable(i)) eExt = ii; iExt = ii; break; default: break; } } if (eQt4 >= 0) iFinal = eQt4; else if (eQt5 >= 0) iFinal = eQt5; else if (eGtk2 >= 0) iFinal = eGtk2; else if (eGtk3 >= 0) iFinal = eGtk3; #ifdef CARLA_OS_MAC else if (eCocoa >= 0) iFinal = eCocoa; #endif #ifdef CARLA_OS_WIN else if (eWindows >= 0) iFinal = eWindows; #endif #ifdef HAVE_X11 else if (eX11 >= 0) iFinal = eX11; #endif //else if (eExt >= 0) // TODO // iFinal = eExt; #ifndef LV2_UIS_ONLY_BRIDGES # ifdef CARLA_OS_MAC else if (iCocoa >= 0) iFinal = iCocoa; # endif # ifdef CARLA_OS_WIN else if (iWindows >= 0) iFinal = iWindows; # endif # ifdef HAVE_X11 else if (iX11 >= 0) iFinal = iX11; # endif #endif else if (iExt >= 0) iFinal = iExt; #ifndef BUILD_BRIDGE if (iFinal < 0) #endif { // no suitable UI found, see if there's one which supports ui:showInterface for (uint32_t i=0; i < fRdfDescriptor->UICount && ! hasShowInterface; ++i) { LV2_RDF_UI* const ui(&fRdfDescriptor->UIs[i]); for (uint32_t j=0; j < ui->ExtensionCount; ++j) { CARLA_SAFE_ASSERT_CONTINUE(ui->Extensions[j] != nullptr); if (std::strcmp(ui->Extensions[j], LV2_UI__showInterface) != 0) continue; iFinal = static_cast(i); hasShowInterface = true; break; } } if (iFinal < 0) { carla_stderr("Failed to find an appropriate LV2 UI for this plugin"); return; } } fUI.rdfDescriptor = &fRdfDescriptor->UIs[iFinal]; // --------------------------------------------------------------- // check supported ui features bool canContinue = true; bool canDelete = true; for (uint32_t i=0; i < fUI.rdfDescriptor->FeatureCount; ++i) { const char* const uri(fUI.rdfDescriptor->Features[i].URI); CARLA_SAFE_ASSERT_CONTINUE(uri != nullptr && uri[0] != '\0'); if (! is_lv2_ui_feature_supported(uri)) { if (fUI.rdfDescriptor->Features[i].Required) { carla_stderr("Plugin UI requires a feature that is not supported:\n%s", uri); canContinue = false; break; } carla_stderr("Plugin UI wants a feature that is not supported (ignored):\n%s", uri); } if (std::strcmp(uri, LV2_UI__makeResident) == 0 || std::strcmp(uri, LV2_UI__makeSONameResident) == 0) canDelete = false; } if (! canContinue) { fUI.rdfDescriptor = nullptr; return; } // --------------------------------------------------------------- // initialize ui according to type const LV2_Property uiType(fUI.rdfDescriptor->Type); if ( (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3 || iFinal == eCocoa || iFinal == eWindows || iFinal == eX11 || iFinal == eExt) #ifdef BUILD_BRIDGE && preferUiBridges && ! hasShowInterface #endif ) { // ----------------------------------------------------------- // initialize ui-bridge if (const char* const bridgeBinary = getUiBridgeBinary(uiType)) { carla_stdout("Will use UI-Bridge, binary: \"%s\"", bridgeBinary); CarlaString guiTitle(pData->name); guiTitle += " (GUI)"; fLv2Options.windowTitle = guiTitle.dup(); fUI.type = UI::TYPE_BRIDGE; fPipeServer.setData(bridgeBinary, fRdfDescriptor->URI, fUI.rdfDescriptor->URI); delete[] bridgeBinary; return; } if (iFinal == eQt4 || iFinal == eQt5 || iFinal == eGtk2 || iFinal == eGtk3) { carla_stderr2("Failed to find UI bridge binary, cannot use UI"); fUI.rdfDescriptor = nullptr; return; } } #ifdef LV2_UIS_ONLY_BRIDGES carla_stderr2("Failed to get an UI working, canBridge:%s", bool2str(isUiBridgeable(static_cast(iFinal)))); fUI.rdfDescriptor = nullptr; return; #endif // --------------------------------------------------------------- // open UI DLL if (! pData->uiLibOpen(fUI.rdfDescriptor->Binary, canDelete)) { carla_stderr2("Could not load UI library, error was:\n%s", pData->libError(fUI.rdfDescriptor->Binary)); fUI.rdfDescriptor = nullptr; return; } // --------------------------------------------------------------- // get UI DLL main entry LV2UI_DescriptorFunction uiDescFn = pData->uiLibSymbol("lv2ui_descriptor"); if (uiDescFn == nullptr) { carla_stderr2("Could not find the LV2UI Descriptor in the UI library"); pData->uiLibClose(); fUI.rdfDescriptor = nullptr; return; } // --------------------------------------------------------------- // get UI descriptor that matches UI URI uint32_t i = 0; while ((fUI.descriptor = uiDescFn(i++))) { if (std::strcmp(fUI.descriptor->URI, fUI.rdfDescriptor->URI) == 0) break; } if (fUI.descriptor == nullptr) { carla_stderr2("Could not find the requested GUI in the plugin UI library"); pData->uiLibClose(); fUI.rdfDescriptor = nullptr; return; } // --------------------------------------------------------------- // check if ui is usable switch (uiType) { case LV2_UI_QT4: carla_stdout("Will use LV2 Qt4 UI, NOT!"); fUI.type = UI::TYPE_EMBED; break; case LV2_UI_QT5: carla_stdout("Will use LV2 Qt5 UI, NOT!"); fUI.type = UI::TYPE_EMBED; break; case LV2_UI_GTK2: carla_stdout("Will use LV2 Gtk2 UI, NOT!"); fUI.type = UI::TYPE_EMBED; break; case LV2_UI_GTK3: carla_stdout("Will use LV2 Gtk3 UI, NOT!"); fUI.type = UI::TYPE_EMBED; break; #ifdef CARLA_OS_MAC case LV2_UI_COCOA: carla_stdout("Will use LV2 Cocoa UI"); fUI.type = UI::TYPE_EMBED; break; #endif #ifdef CARLA_OS_WIN case LV2_UI_WINDOWS: carla_stdout("Will use LV2 Windows UI"); fUI.type = UI::TYPE_EMBED; break; #endif case LV2_UI_X11: #ifdef HAVE_X11 carla_stdout("Will use LV2 X11 UI"); #else carla_stdout("Will use LV2 X11 UI, NOT!"); #endif fUI.type = UI::TYPE_EMBED; break; case LV2_UI_EXTERNAL: case LV2_UI_OLD_EXTERNAL: carla_stdout("Will use LV2 External UI"); fUI.type = UI::TYPE_EXTERNAL; break; } if (fUI.type == UI::TYPE_NULL) { pData->uiLibClose(); fUI.descriptor = nullptr; fUI.rdfDescriptor = nullptr; return; } // --------------------------------------------------------------- // initialize ui data CarlaString guiTitle(pData->name); guiTitle += " (GUI)"; fLv2Options.windowTitle = guiTitle.dup(); fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].size = (uint32_t)std::strlen(fLv2Options.windowTitle); fLv2Options.opts[CarlaPluginLV2Options::WindowTitle].value = fLv2Options.windowTitle; // --------------------------------------------------------------- // initialize ui features (part 1) LV2_Extension_Data_Feature* const uiDataFt = new LV2_Extension_Data_Feature; uiDataFt->data_access = fDescriptor->extension_data; LV2UI_Port_Map* const uiPortMapFt = new LV2UI_Port_Map; uiPortMapFt->handle = this; uiPortMapFt->port_index = carla_lv2_ui_port_map; LV2UI_Resize* const uiResizeFt = new LV2UI_Resize; uiResizeFt->handle = this; uiResizeFt->ui_resize = carla_lv2_ui_resize; LV2_External_UI_Host* const uiExternalHostFt = new LV2_External_UI_Host; uiExternalHostFt->ui_closed = carla_lv2_external_ui_closed; uiExternalHostFt->plugin_human_id = fLv2Options.windowTitle; // --------------------------------------------------------------- // initialize ui features (part 2) for (uint32_t j=kFeatureCountPlugin; j < kFeatureCountAll; ++j) fFeatures[j] = new LV2_Feature; fFeatures[kFeatureIdUiDataAccess]->URI = LV2_DATA_ACCESS_URI; fFeatures[kFeatureIdUiDataAccess]->data = uiDataFt; fFeatures[kFeatureIdUiInstanceAccess]->URI = LV2_INSTANCE_ACCESS_URI; fFeatures[kFeatureIdUiInstanceAccess]->data = fHandle; fFeatures[kFeatureIdUiIdleInterface]->URI = LV2_UI__idleInterface; fFeatures[kFeatureIdUiIdleInterface]->data = nullptr; fFeatures[kFeatureIdUiFixedSize]->URI = LV2_UI__fixedSize; fFeatures[kFeatureIdUiFixedSize]->data = nullptr; fFeatures[kFeatureIdUiMakeResident]->URI = LV2_UI__makeResident; fFeatures[kFeatureIdUiMakeResident]->data = nullptr; fFeatures[kFeatureIdUiMakeResident2]->URI = LV2_UI__makeSONameResident; fFeatures[kFeatureIdUiMakeResident2]->data = nullptr; fFeatures[kFeatureIdUiNoUserResize]->URI = LV2_UI__noUserResize; fFeatures[kFeatureIdUiNoUserResize]->data = nullptr; fFeatures[kFeatureIdUiParent]->URI = LV2_UI__parent; fFeatures[kFeatureIdUiParent]->data = nullptr; fFeatures[kFeatureIdUiPortMap]->URI = LV2_UI__portMap; fFeatures[kFeatureIdUiPortMap]->data = uiPortMapFt; fFeatures[kFeatureIdUiPortSubscribe]->URI = LV2_UI__portSubscribe; fFeatures[kFeatureIdUiPortSubscribe]->data = nullptr; fFeatures[kFeatureIdUiResize]->URI = LV2_UI__resize; fFeatures[kFeatureIdUiResize]->data = uiResizeFt; fFeatures[kFeatureIdUiTouch]->URI = LV2_UI__touch; fFeatures[kFeatureIdUiTouch]->data = nullptr; fFeatures[kFeatureIdExternalUi]->URI = LV2_EXTERNAL_UI__Host; fFeatures[kFeatureIdExternalUi]->data = uiExternalHostFt; fFeatures[kFeatureIdExternalUiOld]->URI = LV2_EXTERNAL_UI_DEPRECATED_URI; fFeatures[kFeatureIdExternalUiOld]->data = uiExternalHostFt; // --------------------------------------------------------------- // initialize ui extensions if (fUI.descriptor->extension_data == nullptr) return; fExt.uiidle = (const LV2UI_Idle_Interface*)fUI.descriptor->extension_data(LV2_UI__idleInterface); fExt.uishow = (const LV2UI_Show_Interface*)fUI.descriptor->extension_data(LV2_UI__showInterface); fExt.uiresize = (const LV2UI_Resize*)fUI.descriptor->extension_data(LV2_UI__resize); fExt.uiprograms = (const LV2_Programs_UI_Interface*)fUI.descriptor->extension_data(LV2_PROGRAMS__UIInterface); // check if invalid if (fExt.uiidle != nullptr && fExt.uiidle->idle == nullptr) fExt.uiidle = nullptr; if (fExt.uishow != nullptr && (fExt.uishow->show == nullptr || fExt.uishow->hide == nullptr)) fExt.uishow = nullptr; if (fExt.uiresize != nullptr && fExt.uiresize->ui_resize == nullptr) fExt.uiresize = nullptr; if (fExt.uiprograms != nullptr && fExt.uiprograms->select_program == nullptr) fExt.uiprograms = nullptr; // don't use uiidle if external if (fUI.type == UI::TYPE_EXTERNAL) fExt.uiidle = nullptr; } // ------------------------------------------------------------------- void handleTransferAtom(const uint32_t portIndex, const LV2_Atom* const atom) { CARLA_SAFE_ASSERT_RETURN(atom != nullptr,); carla_debug("CarlaPluginLV2::handleTransferAtom(%i, %p)", portIndex, atom); fAtomBufferIn.put(atom, portIndex); } void handleUridMap(const LV2_URID urid, const char* const uri) { CARLA_SAFE_ASSERT_RETURN(urid != kUridNull,); CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0',); carla_debug("CarlaPluginLV2::handleUridMap(%i v " P_SIZE ", \"%s\")", urid, fCustomURIDs.size()-1, uri); const std::size_t uriCount(fCustomURIDs.size()); if (urid < uriCount) { const char* const ourURI(carla_lv2_urid_unmap(this, urid)); CARLA_SAFE_ASSERT_RETURN(ourURI != nullptr,); if (std::strcmp(ourURI, uri) != 0) { carla_stderr2("PLUGIN :: wrong URI '%s' vs '%s'", ourURI, uri); } } else { CARLA_SAFE_ASSERT_RETURN(urid == uriCount,); fCustomURIDs.push_back(uri); } } // ------------------------------------------------------------------- private: LV2_Handle fHandle; LV2_Handle fHandle2; LV2_Feature* fFeatures[kFeatureCountAll+1]; const LV2_Descriptor* fDescriptor; const LV2_RDF_Descriptor* fRdfDescriptor; float** fAudioInBuffers; float** fAudioOutBuffers; float** fCvInBuffers; float** fCvOutBuffers; float* fParamBuffers; bool fCanInit2; // some plugins don't like 2 instances bool fNeedsFixedBuffers; bool fNeedsUiClose; int32_t fLatencyIndex; // -1 if invalid int fStrictBounds; // -1 unsupported, 0 optional, 1 required Lv2AtomRingBuffer fAtomBufferIn; Lv2AtomRingBuffer fAtomBufferOut; LV2_Atom_Forge fAtomForge; uint8_t* fTmpAtomBuffer; CarlaPluginLV2EventData fEventsIn; CarlaPluginLV2EventData fEventsOut; CarlaPluginLV2Options fLv2Options; CarlaPipeServerLV2 fPipeServer; std::vector fCustomURIDs; bool fFirstActive; // first process() call after activate() void* fLastStateChunk; EngineTimeInfo fLastTimeInfo; struct Extensions { const LV2_Options_Interface* options; const LV2_State_Interface* state; const LV2_Worker_Interface* worker; const LV2_Inline_Display_Interface* inlineDisplay; const LV2_Programs_Interface* programs; const LV2UI_Idle_Interface* uiidle; const LV2UI_Show_Interface* uishow; const LV2UI_Resize* uiresize; const LV2_Programs_UI_Interface* uiprograms; Extensions() : options(nullptr), state(nullptr), worker(nullptr), inlineDisplay(nullptr), programs(nullptr), uiidle(nullptr), uishow(nullptr), uiresize(nullptr), uiprograms(nullptr) {} CARLA_DECLARE_NON_COPY_STRUCT(Extensions); } fExt; struct UI { enum Type { TYPE_NULL = 0, TYPE_BRIDGE, TYPE_EMBED, TYPE_EXTERNAL }; Type type; LV2UI_Handle handle; LV2UI_Widget widget; const LV2UI_Descriptor* descriptor; const LV2_RDF_UI* rdfDescriptor; CarlaPluginUI* window; UI() : type(TYPE_NULL), handle(nullptr), widget(nullptr), descriptor(nullptr), rdfDescriptor(nullptr), window(nullptr) {} ~UI() { CARLA_ASSERT(handle == nullptr); CARLA_ASSERT(widget == nullptr); CARLA_ASSERT(descriptor == nullptr); CARLA_ASSERT(rdfDescriptor == nullptr); CARLA_ASSERT(window == nullptr); } CARLA_DECLARE_NON_COPY_STRUCT(UI); } fUI; // ------------------------------------------------------------------- // Event Feature static uint32_t carla_lv2_event_ref(LV2_Event_Callback_Data callback_data, LV2_Event* event) { CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0); carla_debug("carla_lv2_event_ref(%p, %p)", callback_data, event); return 0; } static uint32_t carla_lv2_event_unref(LV2_Event_Callback_Data callback_data, LV2_Event* event) { CARLA_SAFE_ASSERT_RETURN(callback_data != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(event != nullptr, 0); carla_debug("carla_lv2_event_unref(%p, %p)", callback_data, event); return 0; } // ------------------------------------------------------------------- // Logs Feature static int carla_lv2_log_printf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, ...) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(type != kUridNull, 0); CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0); #ifndef DEBUG if (type == kUridLogTrace) return 0; #endif va_list args; va_start(args, fmt); const int ret(carla_lv2_log_vprintf(handle, type, fmt, args)); va_end(args); return ret; } static int carla_lv2_log_vprintf(LV2_Log_Handle handle, LV2_URID type, const char* fmt, va_list ap) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 0); CARLA_SAFE_ASSERT_RETURN(type != kUridNull, 0); CARLA_SAFE_ASSERT_RETURN(fmt != nullptr, 0); int ret = 0; switch (type) { case kUridLogError: std::fprintf(stderr, "\x1b[31m"); ret = std::vfprintf(stderr, fmt, ap); std::fprintf(stderr, "\x1b[0m"); break; case kUridLogNote: ret = std::vfprintf(stdout, fmt, ap); break; case kUridLogTrace: #ifdef DEBUG std::fprintf(stdout, "\x1b[30;1m"); ret = std::vfprintf(stdout, fmt, ap); std::fprintf(stdout, "\x1b[0m"); #endif break; case kUridLogWarning: ret = std::vfprintf(stderr, fmt, ap); break; default: break; } return ret; } // ------------------------------------------------------------------- // Programs Feature static void carla_lv2_program_changed(LV2_Programs_Handle handle, int32_t index) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr,); carla_debug("carla_lv2_program_changed(%p, %i)", handle, index); ((CarlaPluginLV2*)handle)->handleProgramChanged(index); } // ------------------------------------------------------------------- // Resize Port Feature static LV2_Resize_Port_Status carla_lv2_resize_port(LV2_Resize_Port_Feature_Data data, uint32_t index, size_t size) { CARLA_SAFE_ASSERT_RETURN(data != nullptr, LV2_RESIZE_PORT_ERR_UNKNOWN); carla_debug("carla_lv2_program_changed(%p, %i, " P_SIZE ")", data, index, size); return ((CarlaPluginLV2*)data)->handleResizePort(index, size); } // ------------------------------------------------------------------- // State Feature static char* carla_lv2_state_make_path(LV2_State_Make_Path_Handle handle, const char* path) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr); CARLA_SAFE_ASSERT_RETURN(path != nullptr && path[0] != '\0', nullptr); carla_debug("carla_lv2_state_make_path(%p, \"%s\")", handle, path); File file; if (File::isAbsolutePath(path)) file = File(path); else file = File::getCurrentWorkingDirectory().getChildFile(path); file.getParentDirectory().createDirectory(); return strdup(file.getFullPathName().toRawUTF8()); } static char* carla_lv2_state_map_abstract_path(LV2_State_Map_Path_Handle handle, const char* absolute_path) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, strdup("")); CARLA_SAFE_ASSERT_RETURN(absolute_path != nullptr && absolute_path[0] != '\0', strdup("")); carla_debug("carla_lv2_state_map_abstract_path(%p, \"%s\")", handle, absolute_path); // may already be an abstract path if (! File::isAbsolutePath(absolute_path)) return strdup(absolute_path); return strdup(File(absolute_path).getRelativePathFrom(File::getCurrentWorkingDirectory()).toRawUTF8()); } static char* carla_lv2_state_map_absolute_path(LV2_State_Map_Path_Handle handle, const char* abstract_path) { const char* const cwd(File::getCurrentWorkingDirectory().getFullPathName().toRawUTF8()); CARLA_SAFE_ASSERT_RETURN(handle != nullptr, strdup(cwd)); CARLA_SAFE_ASSERT_RETURN(abstract_path != nullptr && abstract_path[0] != '\0', strdup(cwd)); carla_debug("carla_lv2_state_map_absolute_path(%p, \"%s\")", handle, abstract_path); // may already be an absolute path if (File::isAbsolutePath(abstract_path)) return strdup(abstract_path); return strdup(File::getCurrentWorkingDirectory().getChildFile(abstract_path).getFullPathName().toRawUTF8()); } static LV2_State_Status carla_lv2_state_store(LV2_State_Handle handle, uint32_t key, const void* value, size_t size, uint32_t type, uint32_t flags) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_STATE_ERR_UNKNOWN); carla_debug("carla_lv2_state_store(%p, %i, %p, " P_SIZE ", %i, %i)", handle, key, value, size, type, flags); return ((CarlaPluginLV2*)handle)->handleStateStore(key, value, size, type, flags); } static const void* carla_lv2_state_retrieve(LV2_State_Handle handle, uint32_t key, size_t* size, uint32_t* type, uint32_t* flags) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr); carla_debug("carla_lv2_state_retrieve(%p, %i, %p, %p, %p)", handle, key, size, type, flags); return ((CarlaPluginLV2*)handle)->handleStateRetrieve(key, size, type, flags); } // ------------------------------------------------------------------- // URI-Map Feature static uint32_t carla_lv2_uri_to_id(LV2_URI_Map_Callback_Data data, const char* map, const char* uri) { carla_debug("carla_lv2_uri_to_id(%p, \"%s\", \"%s\")", data, map, uri); return carla_lv2_urid_map((LV2_URID_Map_Handle*)data, uri); // unused (void)map; } // ------------------------------------------------------------------- // URID Feature static LV2_URID carla_lv2_urid_map(LV2_URID_Map_Handle handle, const char* uri) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, kUridNull); CARLA_SAFE_ASSERT_RETURN(uri != nullptr && uri[0] != '\0', kUridNull); carla_debug("carla_lv2_urid_map(%p, \"%s\")", handle, uri); // Atom types if (std::strcmp(uri, LV2_ATOM__Blank) == 0) return kUridAtomBlank; if (std::strcmp(uri, LV2_ATOM__Bool) == 0) return kUridAtomBool; if (std::strcmp(uri, LV2_ATOM__Chunk) == 0) return kUridAtomChunk; if (std::strcmp(uri, LV2_ATOM__Double) == 0) return kUridAtomDouble; if (std::strcmp(uri, LV2_ATOM__Event) == 0) return kUridAtomEvent; if (std::strcmp(uri, LV2_ATOM__Float) == 0) return kUridAtomFloat; if (std::strcmp(uri, LV2_ATOM__Int) == 0) return kUridAtomInt; if (std::strcmp(uri, LV2_ATOM__Literal) == 0) return kUridAtomLiteral; if (std::strcmp(uri, LV2_ATOM__Long) == 0) return kUridAtomLong; if (std::strcmp(uri, LV2_ATOM__Number) == 0) return kUridAtomNumber; if (std::strcmp(uri, LV2_ATOM__Object) == 0) return kUridAtomObject; if (std::strcmp(uri, LV2_ATOM__Path) == 0) return kUridAtomPath; if (std::strcmp(uri, LV2_ATOM__Property) == 0) return kUridAtomProperty; if (std::strcmp(uri, LV2_ATOM__Resource) == 0) return kUridAtomResource; if (std::strcmp(uri, LV2_ATOM__Sequence) == 0) return kUridAtomSequence; if (std::strcmp(uri, LV2_ATOM__Sound) == 0) return kUridAtomSound; if (std::strcmp(uri, LV2_ATOM__String) == 0) return kUridAtomString; if (std::strcmp(uri, LV2_ATOM__Tuple) == 0) return kUridAtomTuple; if (std::strcmp(uri, LV2_ATOM__URI) == 0) return kUridAtomURI; if (std::strcmp(uri, LV2_ATOM__URID) == 0) return kUridAtomURID; if (std::strcmp(uri, LV2_ATOM__Vector) == 0) return kUridAtomVector; if (std::strcmp(uri, LV2_ATOM__atomTransfer) == 0) return kUridAtomTransferAtom; if (std::strcmp(uri, LV2_ATOM__eventTransfer) == 0) return kUridAtomTransferEvent; // BufSize types if (std::strcmp(uri, LV2_BUF_SIZE__maxBlockLength) == 0) return kUridBufMaxLength; if (std::strcmp(uri, LV2_BUF_SIZE__minBlockLength) == 0) return kUridBufMinLength; if (std::strcmp(uri, LV2_BUF_SIZE__nominalBlockLength) == 0) return kUridBufNominalLength; if (std::strcmp(uri, LV2_BUF_SIZE__sequenceSize) == 0) return kUridBufSequenceSize; // Log types if (std::strcmp(uri, LV2_LOG__Error) == 0) return kUridLogError; if (std::strcmp(uri, LV2_LOG__Note) == 0) return kUridLogNote; if (std::strcmp(uri, LV2_LOG__Trace) == 0) return kUridLogTrace; if (std::strcmp(uri, LV2_LOG__Warning) == 0) return kUridLogWarning; // Time types if (std::strcmp(uri, LV2_TIME__Position) == 0) return kUridTimePosition; if (std::strcmp(uri, LV2_TIME__bar) == 0) return kUridTimeBar; if (std::strcmp(uri, LV2_TIME__barBeat) == 0) return kUridTimeBarBeat; if (std::strcmp(uri, LV2_TIME__beat) == 0) return kUridTimeBeat; if (std::strcmp(uri, LV2_TIME__beatUnit) == 0) return kUridTimeBeatUnit; if (std::strcmp(uri, LV2_TIME__beatsPerBar) == 0) return kUridTimeBeatsPerBar; if (std::strcmp(uri, LV2_TIME__beatsPerMinute) == 0) return kUridTimeBeatsPerMinute; if (std::strcmp(uri, LV2_TIME__frame) == 0) return kUridTimeFrame; if (std::strcmp(uri, LV2_TIME__framesPerSecond) == 0) return kUridTimeFramesPerSecond; if (std::strcmp(uri, LV2_TIME__speed) == 0) return kUridTimeSpeed; if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat) == 0) return kUridTimeTicksPerBeat; // Others if (std::strcmp(uri, LV2_MIDI__MidiEvent) == 0) return kUridMidiEvent; if (std::strcmp(uri, LV2_PARAMETERS__sampleRate) == 0) return kUridParamSampleRate; if (std::strcmp(uri, LV2_UI__windowTitle) == 0) return kUridWindowTitle; // Custom Carla types if (std::strcmp(uri, URI_CARLA_ATOM_WORKER) == 0) return kUridCarlaAtomWorker; if (std::strcmp(uri, LV2_KXSTUDIO_PROPERTIES__TransientWindowId) == 0) return kUridCarlaTransientWindowId; // Custom plugin types return ((CarlaPluginLV2*)handle)->getCustomURID(uri); } static const char* carla_lv2_urid_unmap(LV2_URID_Map_Handle handle, LV2_URID urid) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, nullptr); CARLA_SAFE_ASSERT_RETURN(urid != kUridNull, nullptr); carla_debug("carla_lv2_urid_unmap(%p, %i)", handle, urid); switch (urid) { // Atom types case kUridAtomBlank: return LV2_ATOM__Blank; case kUridAtomBool: return LV2_ATOM__Bool; case kUridAtomChunk: return LV2_ATOM__Chunk; case kUridAtomDouble: return LV2_ATOM__Double; case kUridAtomEvent: return LV2_ATOM__Event; case kUridAtomFloat: return LV2_ATOM__Float; case kUridAtomInt: return LV2_ATOM__Int; case kUridAtomLiteral: return LV2_ATOM__Literal; case kUridAtomLong: return LV2_ATOM__Long; case kUridAtomNumber: return LV2_ATOM__Number; case kUridAtomObject: return LV2_ATOM__Object; case kUridAtomPath: return LV2_ATOM__Path; case kUridAtomProperty: return LV2_ATOM__Property; case kUridAtomResource: return LV2_ATOM__Resource; case kUridAtomSequence: return LV2_ATOM__Sequence; case kUridAtomSound: return LV2_ATOM__Sound; case kUridAtomString: return LV2_ATOM__String; case kUridAtomTuple: return LV2_ATOM__Tuple; case kUridAtomURI: return LV2_ATOM__URI; case kUridAtomURID: return LV2_ATOM__URID; case kUridAtomVector: return LV2_ATOM__Vector; case kUridAtomTransferAtom: return LV2_ATOM__atomTransfer; case kUridAtomTransferEvent: return LV2_ATOM__eventTransfer; // BufSize types case kUridBufMaxLength: return LV2_BUF_SIZE__maxBlockLength; case kUridBufMinLength: return LV2_BUF_SIZE__minBlockLength; case kUridBufNominalLength: return LV2_BUF_SIZE__nominalBlockLength; case kUridBufSequenceSize: return LV2_BUF_SIZE__sequenceSize; // Log types case kUridLogError: return LV2_LOG__Error; case kUridLogNote: return LV2_LOG__Note; case kUridLogTrace: return LV2_LOG__Trace; case kUridLogWarning: return LV2_LOG__Warning; // Time types case kUridTimePosition: return LV2_TIME__Position; case kUridTimeBar: return LV2_TIME__bar; case kUridTimeBarBeat: return LV2_TIME__barBeat; case kUridTimeBeat: return LV2_TIME__beat; case kUridTimeBeatUnit: return LV2_TIME__beatUnit; case kUridTimeBeatsPerBar: return LV2_TIME__beatsPerBar; case kUridTimeBeatsPerMinute: return LV2_TIME__beatsPerMinute; case kUridTimeFrame: return LV2_TIME__frame; case kUridTimeFramesPerSecond: return LV2_TIME__framesPerSecond; case kUridTimeSpeed: return LV2_TIME__speed; case kUridTimeTicksPerBeat: return LV2_KXSTUDIO_PROPERTIES__TimePositionTicksPerBeat; // Others case kUridMidiEvent: return LV2_MIDI__MidiEvent; case kUridParamSampleRate: return LV2_PARAMETERS__sampleRate; case kUridWindowTitle: return LV2_UI__windowTitle; // Custom Carla types case kUridCarlaAtomWorker: return URI_CARLA_ATOM_WORKER; case kUridCarlaTransientWindowId: return LV2_KXSTUDIO_PROPERTIES__TransientWindowId; } // Custom plugin types return ((CarlaPluginLV2*)handle)->getCustomURIDString(urid); } // ------------------------------------------------------------------- // Worker Feature static LV2_Worker_Status carla_lv2_worker_schedule(LV2_Worker_Schedule_Handle handle, uint32_t size, const void* data) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN); carla_debug("carla_lv2_worker_schedule(%p, %i, %p)", handle, size, data); return ((CarlaPluginLV2*)handle)->handleWorkerSchedule(size, data); } static LV2_Worker_Status carla_lv2_worker_respond(LV2_Worker_Respond_Handle handle, uint32_t size, const void* data) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2_WORKER_ERR_UNKNOWN); carla_debug("carla_lv2_worker_respond(%p, %i, %p)", handle, size, data); return ((CarlaPluginLV2*)handle)->handleWorkerRespond(size, data); } // ------------------------------------------------------------------- // Inline Display Feature static void carla_lv2_inline_display_queue_draw(LV2_Inline_Display_Handle handle) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr,); carla_debug("carla_lv2_inline_display_queue_draw(%p)", handle); ((CarlaPluginLV2*)handle)->handleInlineDisplayQueueRedraw(); } // ------------------------------------------------------------------- // External UI Feature static void carla_lv2_external_ui_closed(LV2UI_Controller controller) { CARLA_SAFE_ASSERT_RETURN(controller != nullptr,); carla_debug("carla_lv2_external_ui_closed(%p)", controller); ((CarlaPluginLV2*)controller)->handleExternalUIClosed(); } // ------------------------------------------------------------------- // UI Port-Map Feature static uint32_t carla_lv2_ui_port_map(LV2UI_Feature_Handle handle, const char* symbol) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, LV2UI_INVALID_PORT_INDEX); carla_debug("carla_lv2_ui_port_map(%p, \"%s\")", handle, symbol); return ((CarlaPluginLV2*)handle)->handleUIPortMap(symbol); } // ------------------------------------------------------------------- // UI Resize Feature static int carla_lv2_ui_resize(LV2UI_Feature_Handle handle, int width, int height) { CARLA_SAFE_ASSERT_RETURN(handle != nullptr, 1); carla_debug("carla_lv2_ui_resize(%p, %i, %i)", handle, width, height); return ((CarlaPluginLV2*)handle)->handleUIResize(width, height); } // ------------------------------------------------------------------- // UI Extension static void carla_lv2_ui_write_function(LV2UI_Controller controller, uint32_t port_index, uint32_t buffer_size, uint32_t format, const void* buffer) { CARLA_SAFE_ASSERT_RETURN(controller != nullptr,); carla_debug("carla_lv2_ui_write_function(%p, %i, %i, %i, %p)", controller, port_index, buffer_size, format, buffer); ((CarlaPluginLV2*)controller)->handleUIWrite(port_index, buffer_size, format, buffer); } // ------------------------------------------------------------------- // Lilv State static void carla_lilv_set_port_value(const char* port_symbol, void* user_data, const void* value, uint32_t size, uint32_t type) { CARLA_SAFE_ASSERT_RETURN(user_data != nullptr,); carla_debug("carla_lilv_set_port_value(\"%s\", %p, %p, %i, %i", port_symbol, user_data, value, size, type); ((CarlaPluginLV2*)user_data)->handleLilvSetPortValue(port_symbol, value, size, type); } // ------------------------------------------------------------------- CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginLV2) }; // ------------------------------------------------------------------------------------------------------------------- bool CarlaPipeServerLV2::msgReceived(const char* const msg) noexcept { if (std::strcmp(msg, "exiting") == 0) { closePipeServer(); fUiState = UiHide; return true; } if (std::strcmp(msg, "control") == 0) { uint32_t index; float value; CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true); CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true); try { kPlugin->handleUIWrite(index, sizeof(float), kUridNull, &value); } CARLA_SAFE_EXCEPTION("magReceived control"); return true; } if (std::strcmp(msg, "atom") == 0) { uint32_t index, size; const char* base64atom; CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true); CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(size), true); CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(base64atom), true); std::vector chunk(carla_getChunkFromBase64String(base64atom)); delete[] base64atom; CARLA_SAFE_ASSERT_RETURN(chunk.size() >= sizeof(LV2_Atom), true); #ifdef CARLA_PROPER_CPP11_SUPPORT const LV2_Atom* const atom((const LV2_Atom*)chunk.data()); #else const LV2_Atom* const atom((const LV2_Atom*)&chunk.front()); #endif CARLA_SAFE_ASSERT_RETURN(lv2_atom_total_size(atom) == chunk.size(), true); try { kPlugin->handleUIWrite(index, lv2_atom_total_size(atom), kUridAtomTransferEvent, atom); } CARLA_SAFE_EXCEPTION("magReceived atom"); return true; } if (std::strcmp(msg, "program") == 0) { uint32_t index; CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(index), true); try { kPlugin->setMidiProgram(static_cast(index), false, true, true); } CARLA_SAFE_EXCEPTION("msgReceived program"); return true; } if (std::strcmp(msg, "urid") == 0) { uint32_t urid; const char* uri; CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(urid), true); CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(uri), true); if (urid != 0) { try { kPlugin->handleUridMap(urid, uri); } CARLA_SAFE_EXCEPTION("msgReceived urid"); } delete[] uri; return true; } if (std::strcmp(msg, "reloadprograms") == 0) { int32_t index; CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(index), true); try { kPlugin->handleProgramChanged(index); } CARLA_SAFE_EXCEPTION("handleProgramChanged"); return true; } return false; } // ------------------------------------------------------------------------------------------------------------------- CarlaPlugin* CarlaPlugin::newLV2(const Initializer& init) { carla_debug("CarlaPlugin::newLV2({%p, \"%s\", \"%s\", " P_INT64 "})", init.engine, init.name, init.label, init.uniqueId); CarlaPluginLV2* const plugin(new CarlaPluginLV2(init.engine, init.id)); if (! plugin->init(init.name, init.label, init.options)) { delete plugin; return nullptr; } return plugin; } // used in CarlaStandalone.cpp void* carla_render_inline_display_lv2(CarlaPlugin* plugin, int width, int height); void* carla_render_inline_display_lv2(CarlaPlugin* plugin, int width, int height) { CarlaPluginLV2* const lv2Plugin = (CarlaPluginLV2*)plugin; return lv2Plugin->renderInlineDisplay(width, height); } // ------------------------------------------------------------------------------------------------------------------- CARLA_BACKEND_END_NAMESPACE