/* * Carla Plugin Host * 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. */ #include "CarlaEngineInternal.hpp" #include "CarlaPlugin.hpp" #include "CarlaBackendUtils.hpp" #include "CarlaEngineUtils.hpp" #include "CarlaMathUtils.hpp" #include "CarlaMIDI.h" #include "CarlaPatchbayUtils.hpp" #include "CarlaStringList.hpp" #include "jackey.h" #ifdef __SSE2_MATH__ # include #endif // must be last #include "jackbridge/JackBridge.hpp" #define URI_CANVAS_ICON "http://kxstudio.sf.net/ns/canvas/icon" CARLA_BACKEND_START_NAMESPACE class CarlaEngineJack; class CarlaEngineJackClient; // ----------------------------------------------------------------------- // Fallback data static const EngineEvent kFallbackJackEngineEvent = { kEngineEventTypeNull, 0, 0, {{ kEngineControlEventTypeNull, 0, 0.0f }} }; // ----------------------------------------------------------------------- // Carla Engine Port removal helper class CarlaEngineJackAudioPort; class CarlaEngineJackCVPort; class CarlaEngineJackEventPort; struct JackPortDeletionCallback { virtual ~JackPortDeletionCallback() noexcept {} virtual void jackAudioPortDeleted(CarlaEngineJackAudioPort* const) noexcept = 0; virtual void jackCVPortDeleted(CarlaEngineJackCVPort* const) noexcept = 0; virtual void jackEventPortDeleted(CarlaEngineJackEventPort* const) noexcept = 0; }; // ----------------------------------------------------------------------- // Carla Engine JACK-Audio port class CarlaEngineJackAudioPort : public CarlaEngineAudioPort { public: CarlaEngineJackAudioPort(const CarlaEngineClient& client, const bool isInputPort, const uint32_t indexOffset, jack_client_t* const jackClient, jack_port_t* const jackPort, JackPortDeletionCallback* const delCallback) noexcept : CarlaEngineAudioPort(client, isInputPort, indexOffset), fJackClient(jackClient), fJackPort(jackPort), kDeletionCallback(delCallback) { carla_debug("CarlaEngineJackAudioPort::CarlaEngineJackAudioPort(%s, %p, %p)", bool2str(isInputPort), jackClient, jackPort); switch (kClient.getEngine().getProccessMode()) { case ENGINE_PROCESS_MODE_SINGLE_CLIENT: case ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS: CARLA_SAFE_ASSERT_RETURN(jackClient != nullptr && jackPort != nullptr,); #ifndef BUILD_BRIDGE if (const jack_uuid_t uuid = jackbridge_port_uuid(jackPort)) jackbridge_set_property(jackClient, uuid, JACKEY_SIGNAL_TYPE, "AUDIO", "text/plain"); #endif break; default: CARLA_SAFE_ASSERT(jackClient == nullptr && jackPort == nullptr); break; } } ~CarlaEngineJackAudioPort() noexcept override { carla_debug("CarlaEngineJackAudioPort::~CarlaEngineJackAudioPort()"); if (fJackClient != nullptr && fJackPort != nullptr) { #ifndef BUILD_BRIDGE try { if (const jack_uuid_t uuid = jackbridge_port_uuid(fJackPort)) jackbridge_remove_property(fJackClient, uuid, JACKEY_SIGNAL_TYPE); } CARLA_SAFE_EXCEPTION("Audio port remove meta type"); #endif try { jackbridge_port_unregister(fJackClient, fJackPort); } CARLA_SAFE_EXCEPTION("Audio port unregister"); fJackClient = nullptr; fJackPort = nullptr; } if (kDeletionCallback != nullptr) kDeletionCallback->jackAudioPortDeleted(this); } void initBuffer() noexcept override { if (fJackPort == nullptr) return CarlaEngineAudioPort::initBuffer(); const uint32_t bufferSize(kClient.getEngine().getBufferSize()); try { fBuffer = (float*)jackbridge_port_get_buffer(fJackPort, bufferSize); } catch(...) { fBuffer = nullptr; return; } if (! kIsInput) carla_zeroFloats(fBuffer, bufferSize); } void invalidate() noexcept { fJackClient = nullptr; fJackPort = nullptr; } private: jack_client_t* fJackClient; jack_port_t* fJackPort; JackPortDeletionCallback* const kDeletionCallback; friend class CarlaEngineJackClient; CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineJackAudioPort) }; // ----------------------------------------------------------------------- // Carla Engine JACK-CV port class CarlaEngineJackCVPort : public CarlaEngineCVPort { public: CarlaEngineJackCVPort(const CarlaEngineClient& client, const bool isInputPort, const uint32_t indexOffset, jack_client_t* const jackClient, jack_port_t* const jackPort, JackPortDeletionCallback* const delCallback) noexcept : CarlaEngineCVPort(client, isInputPort, indexOffset), fJackClient(jackClient), fJackPort(jackPort), kDeletionCallback(delCallback) { carla_debug("CarlaEngineJackCVPort::CarlaEngineJackCVPort(%s, %p, %p)", bool2str(isInputPort), jackClient, jackPort); switch (kClient.getEngine().getProccessMode()) { case ENGINE_PROCESS_MODE_SINGLE_CLIENT: case ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS: CARLA_SAFE_ASSERT_RETURN(jackClient != nullptr && jackPort != nullptr,); #ifndef BUILD_BRIDGE if (const jack_uuid_t uuid = jackbridge_port_uuid(jackPort)) jackbridge_set_property(jackClient, uuid, JACKEY_SIGNAL_TYPE, "CV", "text/plain"); #endif break; default: CARLA_SAFE_ASSERT(jackClient == nullptr && jackPort == nullptr); break; } } ~CarlaEngineJackCVPort() noexcept override { carla_debug("CarlaEngineJackCVPort::~CarlaEngineJackCVPort()"); if (fJackClient != nullptr && fJackPort != nullptr) { #ifndef BUILD_BRIDGE try { if (const jack_uuid_t uuid = jackbridge_port_uuid(fJackPort)) jackbridge_remove_property(fJackClient, uuid, JACKEY_SIGNAL_TYPE); } CARLA_SAFE_EXCEPTION("CV port remove meta type"); #endif try { jackbridge_port_unregister(fJackClient, fJackPort); } CARLA_SAFE_EXCEPTION("CV port unregister"); fJackClient = nullptr; fJackPort = nullptr; } if (kDeletionCallback != nullptr) kDeletionCallback->jackCVPortDeleted(this); } void initBuffer() noexcept override { if (fJackPort == nullptr) return CarlaEngineCVPort::initBuffer(); const uint32_t bufferSize(kClient.getEngine().getBufferSize()); try { fBuffer = (float*)jackbridge_port_get_buffer(fJackPort, bufferSize); } catch(...) { fBuffer = nullptr; return; } if (! kIsInput) carla_zeroFloats(fBuffer, bufferSize); } void invalidate() noexcept { fJackClient = nullptr; fJackPort = nullptr; } private: jack_client_t* fJackClient; jack_port_t* fJackPort; JackPortDeletionCallback* const kDeletionCallback; friend class CarlaEngineJackClient; CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineJackCVPort) }; // ----------------------------------------------------------------------- // Carla Engine JACK-Event port class CarlaEngineJackEventPort : public CarlaEngineEventPort { public: CarlaEngineJackEventPort(const CarlaEngineClient& client, const bool isInputPort, const uint32_t indexOffset, jack_client_t* const jackClient, jack_port_t* const jackPort, JackPortDeletionCallback* const delCallback) noexcept : CarlaEngineEventPort(client, isInputPort, indexOffset), fJackClient(jackClient), fJackPort(jackPort), fJackBuffer(nullptr), fRetEvent(kFallbackJackEngineEvent), kDeletionCallback(delCallback) { carla_debug("CarlaEngineJackEventPort::CarlaEngineJackEventPort(%s, %p, %p)", bool2str(isInputPort), jackClient, jackPort); switch (kClient.getEngine().getProccessMode()) { case ENGINE_PROCESS_MODE_SINGLE_CLIENT: case ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS: CARLA_SAFE_ASSERT_RETURN(jackClient != nullptr && jackPort != nullptr,); break; default: CARLA_SAFE_ASSERT(jackClient == nullptr && jackPort == nullptr); break; } } ~CarlaEngineJackEventPort() noexcept override { carla_debug("CarlaEngineJackEventPort::~CarlaEngineJackEventPort()"); if (fJackClient != nullptr && fJackPort != nullptr) { try { jackbridge_port_unregister(fJackClient, fJackPort); } CARLA_SAFE_EXCEPTION("Event port unregister"); fJackClient = nullptr; fJackPort = nullptr; } if (kDeletionCallback != nullptr) kDeletionCallback->jackEventPortDeleted(this); } void initBuffer() noexcept override { if (fJackPort == nullptr) return CarlaEngineEventPort::initBuffer(); try { fJackBuffer = jackbridge_port_get_buffer(fJackPort, kClient.getEngine().getBufferSize()); } catch(...) { fJackBuffer = nullptr; return; } if (! kIsInput) jackbridge_midi_clear_buffer(fJackBuffer); } uint32_t getEventCount() const noexcept override { if (fJackPort == nullptr) return CarlaEngineEventPort::getEventCount(); CARLA_SAFE_ASSERT_RETURN(kIsInput, 0); CARLA_SAFE_ASSERT_RETURN(fJackBuffer != nullptr, 0); try { return jackbridge_midi_get_event_count(fJackBuffer); } CARLA_SAFE_EXCEPTION_RETURN("jack_midi_get_event_count", 0); } const EngineEvent& getEvent(const uint32_t index) const noexcept override { if (fJackPort == nullptr) return CarlaEngineEventPort::getEvent(index); CARLA_SAFE_ASSERT_RETURN(kIsInput, kFallbackJackEngineEvent); CARLA_SAFE_ASSERT_RETURN(fJackBuffer != nullptr, kFallbackJackEngineEvent); return getEventUnchecked(index); } const EngineEvent& getEventUnchecked(const uint32_t index) const noexcept override { jack_midi_event_t jackEvent; bool test = false; try { test = jackbridge_midi_event_get(&jackEvent, fJackBuffer, index); } CARLA_SAFE_EXCEPTION_RETURN("jack_midi_event_get", kFallbackJackEngineEvent); if (! test) return kFallbackJackEngineEvent; CARLA_SAFE_ASSERT_RETURN(jackEvent.size < 0xFF /* uint8_t max */, kFallbackJackEngineEvent); uint8_t port; if (kIndexOffset < 0xFF /* uint8_t max */) { port = static_cast(kIndexOffset); } else { port = 0; carla_safe_assert_uint("kIndexOffset < 0xFF", __FILE__, __LINE__, kIndexOffset); } fRetEvent.time = jackEvent.time; fRetEvent.fillFromMidiData(static_cast(jackEvent.size), jackEvent.buffer, port); return fRetEvent; } bool writeControlEvent(const uint32_t time, const uint8_t channel, const EngineControlEventType type, const uint16_t param, const float value) noexcept override { if (fJackPort == nullptr) return CarlaEngineEventPort::writeControlEvent(time, channel, type, param, value); CARLA_SAFE_ASSERT_RETURN(! kIsInput, false); CARLA_SAFE_ASSERT_RETURN(fJackBuffer != nullptr, false); CARLA_SAFE_ASSERT_RETURN(type != kEngineControlEventTypeNull, false); CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, false); CARLA_SAFE_ASSERT_RETURN(param < MAX_MIDI_CONTROL, false); CARLA_SAFE_ASSERT(value >= 0.0f && value <= 1.0f); if (type == kEngineControlEventTypeParameter) { CARLA_SAFE_ASSERT(! MIDI_IS_CONTROL_BANK_SELECT(param)); } uint8_t size = 0; uint8_t data[3] = { 0, 0, 0 }; EngineControlEvent ctrlEvent = { type, param, value }; ctrlEvent.convertToMidiData(channel, size, data); if (size == 0) return false; try { return jackbridge_midi_event_write(fJackBuffer, time, data, size); } CARLA_SAFE_EXCEPTION_RETURN("jack_midi_event_write", false); } bool writeMidiEvent(const uint32_t time, const uint8_t channel, const uint8_t size, const uint8_t* const data) noexcept override { if (fJackPort == nullptr) return CarlaEngineEventPort::writeMidiEvent(time, channel, size, data); CARLA_SAFE_ASSERT_RETURN(! kIsInput, false); CARLA_SAFE_ASSERT_RETURN(fJackBuffer != nullptr, false); CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, false); CARLA_SAFE_ASSERT_RETURN(size > 0, false); CARLA_SAFE_ASSERT_RETURN(data != nullptr, false); jack_midi_data_t jdata[size]; jdata[0] = static_cast(MIDI_GET_STATUS_FROM_DATA(data) + channel); for (uint8_t i=1; i < size; ++i) jdata[i] = data[i]; try { return jackbridge_midi_event_write(fJackBuffer, time, jdata, size); } CARLA_SAFE_EXCEPTION_RETURN("jack_midi_event_write", false); } void invalidate() noexcept { fJackClient = nullptr; fJackPort = nullptr; } private: jack_client_t* fJackClient; jack_port_t* fJackPort; void* fJackBuffer; mutable EngineEvent fRetEvent; JackPortDeletionCallback* const kDeletionCallback; friend class CarlaEngineJackClient; CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineJackEventPort) }; // ----------------------------------------------------------------------- // Jack Engine client class CarlaEngineJackClient : public CarlaEngineClient, private JackPortDeletionCallback { public: CarlaEngineJackClient(const CarlaEngine& engine, jack_client_t* const jackClient) : CarlaEngineClient(engine), fJackClient(jackClient), fUseClient(engine.getProccessMode() == ENGINE_PROCESS_MODE_SINGLE_CLIENT || engine.getProccessMode() == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS), fAudioPorts(), fCVPorts(), fEventPorts(), fPreRenameMutex(), fPreRenameConnections() { carla_debug("CarlaEngineJackClient::CarlaEngineJackClient(%p)", jackClient); if (fUseClient) { CARLA_SAFE_ASSERT(jackClient != nullptr); } else { CARLA_SAFE_ASSERT(jackClient == nullptr); } } ~CarlaEngineJackClient() noexcept override { carla_debug("CarlaEngineJackClient::~CarlaEngineJackClient()"); if (getProcessMode() == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS && fJackClient != nullptr) // FIXME jackbridge_client_close(fJackClient); // ports must have been deleted by now! //fAudioPorts.clear(); //fCVPorts.clear(); //fEventPorts.clear(); } void activate() noexcept override { carla_debug("CarlaEngineJackClient::activate()"); if (getProcessMode() == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS) { CARLA_SAFE_ASSERT_RETURN(fJackClient != nullptr && ! isActive(),); try { jackbridge_activate(fJackClient); } catch(...) {} } CarlaEngineClient::activate(); const CarlaMutexLocker cml(fPreRenameMutex); if (fJackClient != nullptr) { // restore pre-rename connections const char* portNameA = nullptr; const char* portNameB = nullptr; bool doConnection = false; for (CarlaStringList::Itenerator it = fPreRenameConnections.begin2(); it.valid(); it.next()) { const bool connectNow = doConnection; doConnection = !doConnection; if (connectNow) portNameB = it.getValue(nullptr); else portNameA = it.getValue(nullptr); if (! connectNow) continue; CARLA_SAFE_ASSERT_CONTINUE(portNameA != nullptr && portNameA[0] != '\0'); CARLA_SAFE_ASSERT_CONTINUE(portNameB != nullptr && portNameB[0] != '\0'); jackbridge_connect(fJackClient, portNameA, portNameB); } } fPreRenameConnections.clear(); } void deactivate() noexcept override { carla_debug("CarlaEngineJackClient::deactivate()"); if (getProcessMode() == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS) { CARLA_SAFE_ASSERT_RETURN(fJackClient != nullptr && isActive(),); try { jackbridge_deactivate(fJackClient); } catch(...) {} } CarlaEngineClient::deactivate(); } bool isOk() const noexcept override { if (fUseClient) return (fJackClient != nullptr); return CarlaEngineClient::isOk(); } CarlaEnginePort* addPort(const EnginePortType portType, const char* const name, const bool isInput, const uint32_t indexOffset) override { carla_debug("CarlaEngineJackClient::addPort(%i:%s, \"%s\", %s)", portType, EnginePortType2Str(portType), name, bool2str(isInput)); jack_port_t* jackPort = nullptr; const char* realName = name; // Create JACK port first, if needed if (fUseClient) { CARLA_SAFE_ASSERT_RETURN(fJackClient != nullptr, nullptr); realName = _getUniquePortName(name); switch (portType) { case kEnginePortTypeNull: break; case kEnginePortTypeAudio: jackPort = jackbridge_port_register(fJackClient, realName, JACK_DEFAULT_AUDIO_TYPE, isInput ? JackPortIsInput : JackPortIsOutput, 0); break; case kEnginePortTypeCV: jackPort = jackbridge_port_register(fJackClient, realName, JACK_DEFAULT_AUDIO_TYPE, isInput ? JackPortIsInput : JackPortIsOutput, 0); break; case kEnginePortTypeEvent: jackPort = jackbridge_port_register(fJackClient, realName, JACK_DEFAULT_MIDI_TYPE, isInput ? JackPortIsInput : JackPortIsOutput, 0); break; } CARLA_SAFE_ASSERT_RETURN(jackPort != nullptr, nullptr); } // Create Engine port switch (portType) { case kEnginePortTypeNull: break; case kEnginePortTypeAudio: { _addAudioPortName(isInput, realName); if (realName != name) delete[] realName; CarlaEngineJackAudioPort* const enginePort(new CarlaEngineJackAudioPort(*this, isInput, indexOffset, fJackClient, jackPort, this)); fAudioPorts.append(enginePort); return enginePort; } case kEnginePortTypeCV: { _addCVPortName(isInput, realName); if (realName != name) delete[] realName; CarlaEngineJackCVPort* const enginePort(new CarlaEngineJackCVPort(*this, isInput, indexOffset, fJackClient, jackPort, this)); fCVPorts.append(enginePort); return enginePort; } case kEnginePortTypeEvent: { _addEventPortName(isInput, realName); if (realName != name) delete[] realName; CarlaEngineJackEventPort* const enginePort(new CarlaEngineJackEventPort(*this, isInput, indexOffset, fJackClient, jackPort, this)); fEventPorts.append(enginePort); return enginePort; } } carla_stderr("CarlaEngineJackClient::addPort(%i, \"%s\", %s) - invalid type", portType, name, bool2str(isInput)); return nullptr; } void invalidate() noexcept { for (LinkedList::Itenerator it = fAudioPorts.begin2(); it.valid(); it.next()) { CarlaEngineJackAudioPort* const port(it.getValue(nullptr)); CARLA_SAFE_ASSERT_CONTINUE(port != nullptr); port->invalidate(); } for (LinkedList::Itenerator it = fCVPorts.begin2(); it.valid(); it.next()) { CarlaEngineJackCVPort* const port(it.getValue(nullptr)); CARLA_SAFE_ASSERT_CONTINUE(port != nullptr); port->invalidate(); } for (LinkedList::Itenerator it = fEventPorts.begin2(); it.valid(); it.next()) { CarlaEngineJackEventPort* const port(it.getValue(nullptr)); CARLA_SAFE_ASSERT_CONTINUE(port != nullptr); port->invalidate(); } fJackClient = nullptr; CarlaEngineClient::deactivate(); } const char* getJackClientName() const noexcept { CARLA_SAFE_ASSERT_RETURN(fJackClient != nullptr, nullptr); try { return jackbridge_get_client_name(fJackClient); } CARLA_SAFE_EXCEPTION_RETURN("jack_get_client_name", nullptr); } void jackAudioPortDeleted(CarlaEngineJackAudioPort* const port) noexcept override { fAudioPorts.removeAll(port); } void jackCVPortDeleted(CarlaEngineJackCVPort* const port) noexcept override { fCVPorts.removeAll(port); } void jackEventPortDeleted(CarlaEngineJackEventPort* const port) noexcept override { fEventPorts.removeAll(port); } bool renameInSingleClient(const CarlaString& newClientName) { const CarlaString clientNamePrefix(newClientName + ":"); return _renamePorts(fAudioPorts, clientNamePrefix) && _renamePorts(fCVPorts, clientNamePrefix) && _renamePorts(fEventPorts, clientNamePrefix); } void closeForRename(jack_client_t* const newClient, const CarlaString& newClientName) noexcept { if (fJackClient != nullptr) { if (isActive()) { { const CarlaString clientNamePrefix(newClientName + ":"); // store current client connections const CarlaMutexLocker cml(fPreRenameMutex); fPreRenameConnections.clear(); _savePortsConnections(fAudioPorts, clientNamePrefix); _savePortsConnections(fCVPorts, clientNamePrefix); _savePortsConnections(fEventPorts, clientNamePrefix); } try { jackbridge_deactivate(fJackClient); } catch(...) {} } try { jackbridge_client_close(fJackClient); } catch(...) {} invalidate(); } fAudioPorts.clear(); fCVPorts.clear(); fEventPorts.clear(); _clearPorts(); fJackClient = newClient; } private: jack_client_t* fJackClient; const bool fUseClient; LinkedList fAudioPorts; LinkedList fCVPorts; LinkedList fEventPorts; CarlaMutex fPreRenameMutex; CarlaStringList fPreRenameConnections; template bool _renamePorts(const LinkedList& t, const CarlaString& clientNamePrefix) { for (typename LinkedList::Itenerator it = t.begin2(); it.valid(); it.next()) { T* const port(it.getValue(nullptr)); CARLA_SAFE_ASSERT_CONTINUE(port != nullptr); CARLA_SAFE_ASSERT_CONTINUE(port->fJackPort != nullptr); const char* shortPortName(jackbridge_port_short_name(port->fJackPort)); CARLA_SAFE_ASSERT_CONTINUE(shortPortName != nullptr && shortPortName[0] != '\0'); const char* const oldClientNameSep(std::strstr(shortPortName, ":")); CARLA_SAFE_ASSERT_CONTINUE(oldClientNameSep != nullptr && oldClientNameSep[0] != '\0' && oldClientNameSep[1] != '\0'); shortPortName += oldClientNameSep-shortPortName + 1; const CarlaString newPortName(clientNamePrefix + shortPortName); if (! jackbridge_port_rename(fJackClient, port->fJackPort, newPortName)) return false; } return true; } template void _savePortsConnections(const LinkedList& t, const CarlaString& clientNamePrefix) { for (typename LinkedList::Itenerator it = t.begin2(); it.valid(); it.next()) { T* const port(it.getValue(nullptr)); CARLA_SAFE_ASSERT_CONTINUE(port != nullptr); CARLA_SAFE_ASSERT_CONTINUE(port->fJackPort != nullptr); const char* const shortPortName(jackbridge_port_short_name(port->fJackPort)); CARLA_SAFE_ASSERT_CONTINUE(shortPortName != nullptr && shortPortName[0] != '\0'); const CarlaString portName(clientNamePrefix + shortPortName); if (const char** const connections = jackbridge_port_get_all_connections(fJackClient, port->fJackPort)) { for (int i=0; connections[i] != nullptr; ++i) { if (port->kIsInput) { fPreRenameConnections.append(connections[i]); fPreRenameConnections.append(portName); } else { fPreRenameConnections.append(portName); fPreRenameConnections.append(connections[i]); } } jackbridge_free(connections); } } } CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineJackClient) }; // ----------------------------------------------------------------------- // Jack Engine class CarlaEngineJack : public CarlaEngine #ifndef BUILD_BRIDGE , private CarlaThread #endif { public: CarlaEngineJack() : CarlaEngine(), #ifndef BUILD_BRIDGE CarlaThread("CarlaEngineJackCallbacks"), #endif fClient(nullptr), fExternalPatchbay(true), fFreewheel(false), #ifdef BUILD_BRIDGE fIsRunning(false) #else fTimebaseMaster(false), fUsedGroups(), fUsedPorts(), fUsedConnections(), fNewGroups(), fRetConns(), fPostPonedEvents(), fPostPonedEventsMutex() #endif { carla_debug("CarlaEngineJack::CarlaEngineJack()"); #ifdef BUILD_BRIDGE pData->options.processMode = ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS; #else carla_zeroPointers(fRackPorts, kRackPortCount); #endif } ~CarlaEngineJack() noexcept override { carla_debug("CarlaEngineJack::~CarlaEngineJack()"); CARLA_SAFE_ASSERT(fClient == nullptr); #ifndef BUILD_BRIDGE fUsedGroups.clear(); fUsedPorts.clear(); fUsedConnections.clear(); fNewGroups.clear(); CARLA_SAFE_ASSERT(fPostPonedEvents.count() == 0); #endif } // ------------------------------------------------------------------- // Maximum values uint getMaxClientNameSize() const noexcept override { #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT || pData->options.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS) #endif { try { return static_cast(jackbridge_client_name_size()-1); } CARLA_SAFE_EXCEPTION_RETURN("jack_client_name_size", 32); } return CarlaEngine::getMaxClientNameSize(); } uint getMaxPortNameSize() const noexcept override { if (pData->options.processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT || pData->options.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS) { try { return static_cast(jackbridge_port_name_size()-1); } CARLA_SAFE_EXCEPTION_RETURN("jack_port_name_size", 255); } return CarlaEngine::getMaxPortNameSize(); } // ------------------------------------------------------------------- // Virtual, per-engine type calls bool init(const char* const clientName) override { CARLA_SAFE_ASSERT_RETURN(fClient == nullptr, false); CARLA_SAFE_ASSERT_RETURN(clientName != nullptr && clientName[0] != '\0', false); CARLA_SAFE_ASSERT_RETURN(jackbridge_is_ok(), false); carla_debug("CarlaEngineJack::init(\"%s\")", clientName); fFreewheel = false; fExternalPatchbay = true; CarlaString truncatedClientName(clientName); truncatedClientName.truncate(getMaxClientNameSize()); #ifdef BUILD_BRIDGE fIsRunning = true; if (! pData->init(truncatedClientName)) { close(); setLastError("Failed to init internal data"); return false; } if (pData->bufferSize == 0 || carla_isEqual(pData->sampleRate, 0.0)) { // open temp client to get initial buffer-size and sample-rate values if (jack_client_t* const tmpClient = jackbridge_client_open(truncatedClientName, JackNoStartServer, nullptr)) { pData->bufferSize = jackbridge_get_buffer_size(tmpClient); pData->sampleRate = jackbridge_get_sample_rate(tmpClient); jackbridge_client_close(tmpClient); } else { close(); setLastError("Failed to init temporary jack client"); return false; } } return true; #else fClient = jackbridge_client_open(truncatedClientName, JackNullOption, nullptr); if (fClient == nullptr) { setLastError("Failed to create new JACK client"); return false; } const char* const jackClientName(jackbridge_get_client_name(fClient)); if (! pData->init(jackClientName)) { jackbridge_client_close(fClient); fClient = nullptr; setLastError("Failed to init internal data"); return false; } pData->bufferSize = jackbridge_get_buffer_size(fClient); pData->sampleRate = jackbridge_get_sample_rate(fClient); pData->initTime(pData->options.transportExtra); jackbridge_set_thread_init_callback(fClient, carla_jack_thread_init_callback, nullptr); jackbridge_set_buffer_size_callback(fClient, carla_jack_bufsize_callback, this); jackbridge_set_sample_rate_callback(fClient, carla_jack_srate_callback, this); jackbridge_set_freewheel_callback(fClient, carla_jack_freewheel_callback, this); jackbridge_set_latency_callback(fClient, carla_jack_latency_callback, this); jackbridge_set_process_callback(fClient, carla_jack_process_callback, this); jackbridge_on_shutdown(fClient, carla_jack_shutdown_callback, this); fTimebaseMaster = jackbridge_set_timebase_callback(fClient, true, carla_jack_timebase_callback, this); if (pData->options.processMode != ENGINE_PROCESS_MODE_PATCHBAY) initJackPatchbay(jackClientName); jackbridge_set_client_registration_callback(fClient, carla_jack_client_registration_callback, this); jackbridge_set_port_registration_callback(fClient, carla_jack_port_registration_callback, this); jackbridge_set_port_connect_callback(fClient, carla_jack_port_connect_callback, this); jackbridge_set_port_rename_callback(fClient, carla_jack_port_rename_callback, this); if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { fRackPorts[kRackPortAudioIn1] = jackbridge_port_register(fClient, "audio-in1", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0); fRackPorts[kRackPortAudioIn2] = jackbridge_port_register(fClient, "audio-in2", JACK_DEFAULT_AUDIO_TYPE, JackPortIsInput, 0); fRackPorts[kRackPortAudioOut1] = jackbridge_port_register(fClient, "audio-out1", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0); fRackPorts[kRackPortAudioOut2] = jackbridge_port_register(fClient, "audio-out2", JACK_DEFAULT_AUDIO_TYPE, JackPortIsOutput, 0); fRackPorts[kRackPortEventIn] = jackbridge_port_register(fClient, "events-in", JACK_DEFAULT_MIDI_TYPE, JackPortIsInput, 0); fRackPorts[kRackPortEventOut] = jackbridge_port_register(fClient, "events-out", JACK_DEFAULT_MIDI_TYPE, JackPortIsOutput, 0); if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK) { // FIXME? pData->graph.create(0, 0); } else { pData->graph.create(2, 2); patchbayRefresh(false); } } if (jackbridge_activate(fClient)) { startThread(); callback(ENGINE_CALLBACK_ENGINE_STARTED, 0, pData->options.processMode, pData->options.transportMode, 0.0f, getCurrentDriverName()); return true; } if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { pData->graph.destroy(); } pData->close(); jackbridge_client_close(fClient); fClient = nullptr; setLastError("Failed to activate the JACK client"); return false; #endif } bool close() override { carla_debug("CarlaEngineJack::close()"); #ifdef BUILD_BRIDGE fClient = nullptr; fIsRunning = false; CarlaEngine::close(); return true; #else stopThread(-1); fPostPonedEvents.clear(); CARLA_SAFE_ASSERT_RETURN_ERR(fClient != nullptr, "JACK Client is null"); // deactivate first const bool deactivated(jackbridge_deactivate(fClient)); // clear engine data CarlaEngine::close(); fUsedGroups.clear(); fUsedPorts.clear(); fUsedConnections.clear(); fNewGroups.clear(); fPostPonedEvents.clear(); // clear rack/patchbay stuff if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { if (deactivated) { jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioIn1]); jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioIn2]); jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioOut1]); jackbridge_port_unregister(fClient, fRackPorts[kRackPortAudioOut2]); jackbridge_port_unregister(fClient, fRackPorts[kRackPortEventIn]); jackbridge_port_unregister(fClient, fRackPorts[kRackPortEventOut]); } carla_zeroPointers(fRackPorts, kRackPortCount); pData->graph.destroy(); } // close client if (deactivated) jackbridge_client_close(fClient); fClient = nullptr; return true; #endif } bool isRunning() const noexcept override { #ifdef BUILD_BRIDGE return (fClient != nullptr || fIsRunning); #else return (fClient != nullptr); #endif } bool isOffline() const noexcept override { return fFreewheel; } EngineType getType() const noexcept override { return kEngineTypeJack; } const char* getCurrentDriverName() const noexcept override { return "JACK"; } CarlaEngineClient* addClient(CarlaPlugin* const plugin) override { jack_client_t* client = nullptr; #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { client = fClient; } else if (pData->options.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS) #endif { client = jackbridge_client_open(plugin->getName(), JackNullOption, nullptr); CARLA_SAFE_ASSERT_RETURN(client != nullptr, nullptr); jackbridge_set_thread_init_callback(client, carla_jack_thread_init_callback, nullptr); #ifndef BUILD_BRIDGE jackbridge_set_latency_callback(client, carla_jack_latency_callback_plugin, plugin); jackbridge_set_process_callback(client, carla_jack_process_callback_plugin, plugin); jackbridge_on_shutdown(client, carla_jack_shutdown_callback_plugin, plugin); #else fClient = client; pData->bufferSize = jackbridge_get_buffer_size(client); pData->sampleRate = jackbridge_get_sample_rate(client); pData->initTime(nullptr); jackbridge_set_buffer_size_callback(client, carla_jack_bufsize_callback, this); jackbridge_set_sample_rate_callback(client, carla_jack_srate_callback, this); jackbridge_set_freewheel_callback(client, carla_jack_freewheel_callback, this); jackbridge_set_latency_callback(client, carla_jack_latency_callback, this); jackbridge_set_process_callback(client, carla_jack_process_callback, this); jackbridge_on_shutdown(client, carla_jack_shutdown_callback, this); #endif } return new CarlaEngineJackClient(*this, client); } #ifndef BUILD_BRIDGE const char* renamePlugin(const uint id, const char* const newName) override { if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { return CarlaEngine::renamePlugin(id, newName); } CARLA_SAFE_ASSERT_RETURN(pData->plugins != nullptr, nullptr); CARLA_SAFE_ASSERT_RETURN(pData->curPluginCount != 0, nullptr); CARLA_SAFE_ASSERT_RETURN(id < pData->curPluginCount, nullptr); CARLA_SAFE_ASSERT_RETURN(newName != nullptr && newName[0] != '\0', nullptr); CarlaPlugin* const plugin(pData->plugins[id].plugin); CARLA_SAFE_ASSERT_RETURN_ERRN(plugin != nullptr, "Could not find plugin to rename"); CARLA_SAFE_ASSERT_RETURN_ERRN(plugin->getId() == id, "Invalid engine internal data"); // before we stop the engine thread we might need to get the plugin data const bool needsReinit = (pData->options.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS); const CarlaStateSave* saveStatePtr = nullptr; if (needsReinit) { const CarlaStateSave& saveState(plugin->getStateSave()); saveStatePtr = &saveState; } CarlaString uniqueName; try { const char* const tmpName = getUniquePluginName(newName); uniqueName = tmpName; delete[] tmpName; } CARLA_SAFE_EXCEPTION("JACK renamePlugin getUniquePluginName"); if (uniqueName.isEmpty()) { setLastError("Failed to request new unique plugin name"); return nullptr; } const ScopedThreadStopper sts(this); // rename on client client mode, just rename the ports if (pData->options.processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { CarlaEngineJackClient* const client((CarlaEngineJackClient*)plugin->getEngineClient()); if (! client->renameInSingleClient(uniqueName)) { setLastError("Failed to rename some JACK ports, does your JACK version support proper port renaming?"); return nullptr; } } // rename in multiple client mode else if (pData->options.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS) { CarlaEngineJackClient* const client((CarlaEngineJackClient*)plugin->getEngineClient()); // we should not be able to do this, jack really needs to allow client rename if (jack_client_t* const jackClient = jackbridge_client_open(uniqueName, JackNullOption, nullptr)) { // get new client name uniqueName = jackbridge_get_client_name(jackClient); // close client client->closeForRename(jackClient, uniqueName); // disable plugin plugin->setEnabled(false); // set new client data jackbridge_set_latency_callback(jackClient, carla_jack_latency_callback_plugin, plugin); jackbridge_set_process_callback(jackClient, carla_jack_process_callback_plugin, plugin); jackbridge_on_shutdown(jackClient, carla_jack_shutdown_callback_plugin, plugin); // NOTE: jack1 locks up here if (jackbridge_get_version_string() != nullptr) jackbridge_set_thread_init_callback(jackClient, carla_jack_thread_init_callback, nullptr); /* The following code is because of a tricky situation. We cannot lock or do jack operations during jack callbacks on jack1. jack2 events are asynchronous. When we close the client jack will trigger unregister-port callbacks, which we handle on a separate thread ASAP. But before that happens we already registered a new client with the same ports (the "renamed" one), and at this point the port we receive during that callback is actually the new one from the new client.. JACK2 seems to be reusing ports to save space, which is understandable. Anyway, this means we have to remove all our port-related data before the new client ports are created. (we also stop the separate jack-events thread to avoid any race conditions while modying our port data) */ stopThread(-1); const uint groupId(fUsedGroups.getGroupId(plugin->getName())); if (groupId > 0) { for (LinkedList::Itenerator it = fUsedPorts.list.begin2(); it.valid(); it.next()) { for (LinkedList::Itenerator it2 = fUsedConnections.list.begin2(); it2.valid(); it2.next()) { static ConnectionToId connectionFallback = { 0, 0, 0, 0, 0 }; ConnectionToId& connectionToId = it2.getValue(connectionFallback); CARLA_SAFE_ASSERT_CONTINUE(connectionToId.id != 0); if (connectionToId.groupA != groupId && connectionToId.groupB != groupId) continue; callback(ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED, connectionToId.id, 0, 0, 0.0f, nullptr); fUsedConnections.list.remove(it2); } static PortNameToId portNameFallback = { 0, 0, { '\0' }, { '\0' } }; PortNameToId& portNameToId(it.getValue(portNameFallback)); CARLA_SAFE_ASSERT_CONTINUE(portNameToId.group != 0); if (portNameToId.group != groupId) continue; callback(ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED, portNameToId.group, static_cast(portNameToId.port), 0, 0.0f, nullptr); fUsedPorts.list.remove(it); } } startThread(); } else { setLastError("Failed to create new JACK client"); return nullptr; } } // Rename plugin->setName(uniqueName); if (needsReinit) { // reload plugin to recreate its ports plugin->reload(); plugin->loadStateSave(*saveStatePtr); plugin->setEnabled(true); } return plugin->getName(); } // ------------------------------------------------------------------- // Patchbay bool patchbayConnect(const uint groupA, const uint portA, const uint groupB, const uint portB) override { CARLA_SAFE_ASSERT_RETURN(fClient != nullptr, false); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY && ! fExternalPatchbay) return CarlaEngine::patchbayConnect(groupA, portA, groupB, portB); const char* const fullPortNameA = fUsedPorts.getFullPortName(groupA, portA); CARLA_SAFE_ASSERT_RETURN(fullPortNameA != nullptr && fullPortNameA[0] != '\0', false); const char* const fullPortNameB = fUsedPorts.getFullPortName(groupB, portB); CARLA_SAFE_ASSERT_RETURN(fullPortNameB != nullptr && fullPortNameB[0] != '\0', false); if (! jackbridge_connect(fClient, fullPortNameA, fullPortNameB)) { setLastError("JACK operation failed"); return false; } return true; } bool patchbayDisconnect(const uint connectionId) override { CARLA_SAFE_ASSERT_RETURN(fClient != nullptr, false); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY && ! fExternalPatchbay) return CarlaEngine::patchbayDisconnect(connectionId); ConnectionToId connectionToId = { 0, 0, 0, 0, 0 }; { const CarlaMutexLocker cml(fUsedConnections.mutex); for (LinkedList::Itenerator it = fUsedConnections.list.begin2(); it.valid(); it.next()) { connectionToId = it.getValue(connectionToId); CARLA_SAFE_ASSERT_CONTINUE(connectionToId.id != 0); if (connectionToId.id == connectionId) break; } } if (connectionToId.id == 0 || connectionToId.id != connectionId) { setLastError("Failed to find the requested connection"); return false; } const char* const fullPortNameA = fUsedPorts.getFullPortName(connectionToId.groupA, connectionToId.portA); CARLA_SAFE_ASSERT_RETURN(fullPortNameA != nullptr && fullPortNameA[0] != '\0', false); const char* const fullPortNameB = fUsedPorts.getFullPortName(connectionToId.groupB, connectionToId.portB); CARLA_SAFE_ASSERT_RETURN(fullPortNameB != nullptr && fullPortNameB[0] != '\0', false); if (! jackbridge_disconnect(fClient, fullPortNameA, fullPortNameB)) { setLastError("JACK operation failed"); return false; } return true; } bool patchbayRefresh(const bool external) override { CARLA_SAFE_ASSERT_RETURN(fClient != nullptr, false); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { fExternalPatchbay = external; pData->graph.setUsingExternal(external); if (! external) return CarlaEngine::patchbayRefresh(false); } fUsedGroups.clear(); fUsedPorts.clear(); fUsedConnections.clear(); fNewGroups.clear(); initJackPatchbay(jackbridge_get_client_name(fClient)); return true; } // ------------------------------------------------------------------- // Transport void transportPlay() noexcept override { if (pData->options.transportMode == ENGINE_TRANSPORT_MODE_INTERNAL) return CarlaEngine::transportPlay(); if (fClient != nullptr) { if ((pData->timeInfo.valid & EngineTimeInfo::kValidBBT) == 0x0) { // old timebase master no longer active, make ourselves master again pData->time.setNeedsReset(); fTimebaseMaster = jackbridge_set_timebase_callback(fClient, true, carla_jack_timebase_callback, this); } try { jackbridge_transport_start(fClient); } catch(...) {} } } void transportPause() noexcept override { if (pData->options.transportMode == ENGINE_TRANSPORT_MODE_INTERNAL) return CarlaEngine::transportPause(); if (fClient != nullptr) { try { jackbridge_transport_stop(fClient); } catch(...) {} } } void transportBPM(const double bpm) noexcept override { CarlaEngine::transportBPM(bpm); if (fClient == nullptr || fTimebaseMaster) return; jack_position_t jpos; // invalidate jpos.unique_1 = 1; jpos.unique_2 = 2; jackbridge_transport_query(fClient, &jpos); if (jpos.unique_1 == jpos.unique_2 && (jpos.valid & JackPositionBBT) != 0) { carla_stdout("NOTE: Changing BPM without being JACK timebase master"); jpos.beats_per_minute = bpm; try { jackbridge_transport_reposition(fClient, &jpos); } catch(...) {} } } void transportRelocate(const uint64_t frame) noexcept override { if (pData->options.transportMode == ENGINE_TRANSPORT_MODE_INTERNAL) return CarlaEngine::transportRelocate(frame); if (fClient != nullptr) { try { jackbridge_transport_locate(fClient, static_cast(frame)); } catch(...) {} } } // ------------------------------------------------------------------- // Patchbay stuff const char* const* getPatchbayConnections(const bool external) const override { CARLA_SAFE_ASSERT_RETURN(fClient != nullptr, nullptr); carla_debug("CarlaEngineJack::getPatchbayConnections(%s)", bool2str(external)); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY && ! external) return CarlaEngine::getPatchbayConnections(external); CarlaStringList connList; if (const char** const ports = jackbridge_get_ports(fClient, nullptr, nullptr, JackPortIsOutput)) { for (int i=0; ports[i] != nullptr; ++i) { const jack_port_t* const jackPort(jackbridge_port_by_name(fClient, ports[i])); const char* const fullPortName(ports[i]); CARLA_SAFE_ASSERT_CONTINUE(jackPort != nullptr); if (const char** const connections = jackbridge_port_get_all_connections(fClient, jackPort)) { for (int j=0; connections[j] != nullptr; ++j) { connList.append(fullPortName); connList.append(connections[j]); } jackbridge_free(connections); } } jackbridge_free(ports); } if (connList.count() == 0) return nullptr; fRetConns = connList.toCharStringListPtr(); return fRetConns; } void restorePatchbayConnection(const bool external, const char* const connSource, const char* const connTarget, const bool sendCallback) override { CARLA_SAFE_ASSERT_RETURN(fClient != nullptr,); CARLA_SAFE_ASSERT_RETURN(connSource != nullptr && connSource[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(connTarget != nullptr && connTarget[0] != '\0',); carla_debug("CarlaEngineJack::restorePatchbayConnection(\"%s\", \"%s\")", connSource, connTarget); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY && ! external) return CarlaEngine::restorePatchbayConnection(external, connSource, connTarget, sendCallback); if (const jack_port_t* const port = jackbridge_port_by_name(fClient, connSource)) { if (jackbridge_port_by_name(fClient, connTarget) == nullptr) return; if (! jackbridge_port_connected_to(port, connTarget)) jackbridge_connect(fClient, connSource, connTarget); } } #endif // ------------------------------------------------------------------- protected: void handleJackBufferSizeCallback(const uint32_t newBufferSize) { if (pData->bufferSize == newBufferSize) return; pData->bufferSize = newBufferSize; bufferSizeChanged(newBufferSize); } void handleJackSampleRateCallback(const double newSampleRate) { if (carla_isEqual(pData->sampleRate, newSampleRate)) return; pData->sampleRate = newSampleRate; sampleRateChanged(newSampleRate); } void handleJackFreewheelCallback(const bool isFreewheel) { if (fFreewheel == isFreewheel) return; fFreewheel = isFreewheel; offlineModeChanged(isFreewheel); } void saveTransportInfo() { if (pData->options.transportMode != ENGINE_TRANSPORT_MODE_JACK) return; jack_position_t jpos; // invalidate jpos.unique_1 = 1; jpos.unique_2 = 2; pData->timeInfo.playing = (jackbridge_transport_query(fClient, &jpos) == JackTransportRolling); if (jpos.unique_1 == jpos.unique_2) { pData->timeInfo.frame = jpos.frame; pData->timeInfo.usecs = jpos.usecs; if (jpos.valid & JackPositionBBT) { pData->timeInfo.valid = EngineTimeInfo::kValidBBT; pData->timeInfo.bbt.bar = jpos.bar; pData->timeInfo.bbt.beat = jpos.beat; pData->timeInfo.bbt.tick = jpos.tick; pData->timeInfo.bbt.barStartTick = jpos.bar_start_tick; pData->timeInfo.bbt.beatsPerBar = jpos.beats_per_bar; pData->timeInfo.bbt.beatType = jpos.beat_type; pData->timeInfo.bbt.ticksPerBeat = jpos.ticks_per_beat; pData->timeInfo.bbt.beatsPerMinute = jpos.beats_per_minute; } else { pData->timeInfo.valid = 0x0; } } else { pData->timeInfo.frame = 0; pData->timeInfo.valid = 0x0; } } void handleJackProcessCallback(const uint32_t nframes) { const PendingRtEventsRunner prt(this, nframes); CARLA_SAFE_ASSERT_RETURN(nframes == pData->bufferSize,); saveTransportInfo(); #ifdef BUILD_BRIDGE CarlaPlugin* const plugin(pData->plugins[0].plugin); if (plugin != nullptr && plugin->isEnabled() && plugin->tryLock(fFreewheel)) { plugin->initBuffers(); processPlugin(plugin, nframes); plugin->unlock(); } #else if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK) { if (pData->aboutToClose) { if (float* const audioOut1 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioOut1], nframes)) carla_zeroFloats(audioOut1, nframes); if (float* const audioOut2 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioOut2], nframes)) carla_zeroFloats(audioOut2, nframes); } else if (pData->curPluginCount == 0) { float* const audioIn1 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioIn1], nframes); float* const audioIn2 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioIn2], nframes); float* const audioOut1 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioOut1], nframes); float* const audioOut2 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioOut2], nframes); // assert buffers CARLA_SAFE_ASSERT_RETURN(audioIn1 != nullptr,); CARLA_SAFE_ASSERT_RETURN(audioIn2 != nullptr,); CARLA_SAFE_ASSERT_RETURN(audioOut1 != nullptr,); CARLA_SAFE_ASSERT_RETURN(audioOut2 != nullptr,); // pass-through carla_copyFloats(audioOut1, audioIn1, nframes); carla_copyFloats(audioOut2, audioIn2, nframes); // TODO pass-through MIDI as well if (void* const eventOut = jackbridge_port_get_buffer(fRackPorts[kRackPortEventOut], nframes)) jackbridge_midi_clear_buffer(eventOut); return; } } if (pData->options.processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT) { for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled() && plugin->tryLock(fFreewheel)) { plugin->initBuffers(); processPlugin(plugin, nframes); plugin->unlock(); } } } else if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { CARLA_SAFE_ASSERT_RETURN(pData->events.in != nullptr,); CARLA_SAFE_ASSERT_RETURN(pData->events.out != nullptr,); // get buffers from jack float* const audioIn1 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioIn1], nframes); float* const audioIn2 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioIn2], nframes); float* const audioOut1 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioOut1], nframes); float* const audioOut2 = (float*)jackbridge_port_get_buffer(fRackPorts[kRackPortAudioOut2], nframes); void* const eventIn = jackbridge_port_get_buffer(fRackPorts[kRackPortEventIn], nframes); void* const eventOut = jackbridge_port_get_buffer(fRackPorts[kRackPortEventOut], nframes); // assert buffers CARLA_SAFE_ASSERT_RETURN(audioIn1 != nullptr,); CARLA_SAFE_ASSERT_RETURN(audioIn2 != nullptr,); CARLA_SAFE_ASSERT_RETURN(audioOut1 != nullptr,); CARLA_SAFE_ASSERT_RETURN(audioOut2 != nullptr,); // create audio buffers const float* inBuf[2] = { audioIn1, audioIn2 }; /**/ float* outBuf[2] = { audioOut1, audioOut2 }; // initialize events carla_zeroStructs(pData->events.in, kMaxEngineEventInternalCount); carla_zeroStructs(pData->events.out, kMaxEngineEventInternalCount); if (eventIn != nullptr) { ushort engineEventIndex = 0; jack_midi_event_t jackEvent; const uint32_t jackEventCount(jackbridge_midi_get_event_count(eventIn)); for (uint32_t jackEventIndex=0; jackEventIndex < jackEventCount; ++jackEventIndex) { if (! jackbridge_midi_event_get(&jackEvent, eventIn, jackEventIndex)) continue; CARLA_SAFE_ASSERT_CONTINUE(jackEvent.size < 0xFF /* uint8_t max */); EngineEvent& engineEvent(pData->events.in[engineEventIndex++]); engineEvent.time = jackEvent.time; engineEvent.fillFromMidiData(static_cast(jackEvent.size), jackEvent.buffer, 0); if (engineEventIndex >= kMaxEngineEventInternalCount) break; } } if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK) pData->graph.processRack(pData, inBuf, outBuf, nframes); else pData->graph.process(pData, inBuf, outBuf, nframes); // output control if (eventOut != nullptr) { jackbridge_midi_clear_buffer(eventOut); uint8_t size = 0; uint8_t data[3] = { 0, 0, 0 }; const uint8_t* dataPtr = data; for (ushort i=0; i < kMaxEngineEventInternalCount; ++i) { const EngineEvent& engineEvent(pData->events.out[i]); if (engineEvent.type == kEngineEventTypeNull) break; else if (engineEvent.type == kEngineEventTypeControl) { const EngineControlEvent& ctrlEvent(engineEvent.ctrl); ctrlEvent.convertToMidiData(engineEvent.channel, size, data); dataPtr = data; } else if (engineEvent.type == kEngineEventTypeMidi) { const EngineMidiEvent& midiEvent(engineEvent.midi); size = midiEvent.size; if (size > EngineMidiEvent::kDataSize && midiEvent.dataExt != nullptr) dataPtr = midiEvent.dataExt; else dataPtr = midiEvent.data; } else { continue; } if (size > 0) jackbridge_midi_event_write(eventOut, engineEvent.time, dataPtr, size); } } } #endif // ! BUILD_BRIDGE } void handleJackLatencyCallback(const jack_latency_callback_mode_t /*mode*/) { // TODO } #ifndef BUILD_BRIDGE void handleJackTimebaseCallback(jack_nframes_t nframes, jack_position_t* const pos, const int new_pos) { if (new_pos) pData->time.setNeedsReset(); pData->time.fillJackTimeInfo(pos, nframes); } void handleJackClientRegistrationCallback(const char* const name, const bool reg) { CARLA_SAFE_ASSERT_RETURN(name != nullptr && name[0] != '\0',); // ignore this if on internal patchbay mode if (! fExternalPatchbay) return; // do nothing on client registration, wait for first port if (reg) return; const uint groupId(fUsedGroups.getGroupId(name)); // clients might have been registered without ports if (groupId == 0) return; GroupNameToId groupNameToId; groupNameToId.setData(groupId, name); callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_REMOVED, groupNameToId.group, 0, 0, 0.0f, nullptr); fUsedGroups.list.removeOne(groupNameToId); } void handleJackPortRegistrationCallback(const jack_port_id_t port, const bool reg) { // ignore this if on internal patchbay mode if (! fExternalPatchbay) return; const jack_port_t* const jackPort(jackbridge_port_by_id(fClient, port)); CARLA_SAFE_ASSERT_RETURN(jackPort != nullptr,); const char* const fullPortName(jackbridge_port_name(jackPort)); CARLA_SAFE_ASSERT_RETURN(fullPortName != nullptr && fullPortName[0] != '\0',); if (reg) { const char* const shortPortName(jackbridge_port_short_name(jackPort)); CARLA_SAFE_ASSERT_RETURN(shortPortName != nullptr && shortPortName[0] != '\0',); bool found; CarlaString groupName(fullPortName); groupName.truncate(groupName.rfind(shortPortName, &found)-1); CARLA_SAFE_ASSERT_RETURN(found,); const int jackPortFlags(jackbridge_port_flags(jackPort)); uint groupId(fUsedGroups.getGroupId(groupName)); if (groupId == 0) { groupId = ++fUsedGroups.lastId; PatchbayIcon icon = (jackPortFlags & JackPortIsPhysical) ? PATCHBAY_ICON_HARDWARE : PATCHBAY_ICON_APPLICATION; GroupNameToId groupNameToId; groupNameToId.setData(groupId, groupName); callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, groupNameToId.group, icon, -1, 0.0f, groupNameToId.name); fNewGroups.append(groupId); fUsedGroups.list.append(groupNameToId); } addPatchbayJackPort(groupId, jackPort, shortPortName, fullPortName, jackPortFlags); } else { const PortNameToId& portNameToId(fUsedPorts.getPortNameToId(fullPortName)); /* NOTE: Due to JACK2 async behaviour the port we get here might be the same of a previous rename-plugin request. See the comment on CarlaEngineJack::renamePlugin() for more information. */ if (portNameToId.group <= 0 || portNameToId.port <= 0) return; callback(ENGINE_CALLBACK_PATCHBAY_PORT_REMOVED, portNameToId.group, static_cast(portNameToId.port), 0, 0.0f, nullptr); fUsedPorts.list.removeOne(portNameToId); } } void handleJackPortConnectCallback(const jack_port_id_t a, const jack_port_id_t b, const bool connect) { // ignore this if on internal patchbay mode if (! fExternalPatchbay) return; const jack_port_t* const jackPortA(jackbridge_port_by_id(fClient, a)); CARLA_SAFE_ASSERT_RETURN(jackPortA != nullptr,); const jack_port_t* const jackPortB(jackbridge_port_by_id(fClient, b)); CARLA_SAFE_ASSERT_RETURN(jackPortB != nullptr,); const char* const fullPortNameA(jackbridge_port_name(jackPortA)); CARLA_SAFE_ASSERT_RETURN(fullPortNameA != nullptr && fullPortNameA[0] != '\0',); const char* const fullPortNameB(jackbridge_port_name(jackPortB)); CARLA_SAFE_ASSERT_RETURN(fullPortNameB != nullptr && fullPortNameB[0] != '\0',); const PortNameToId& portNameToIdA(fUsedPorts.getPortNameToId(fullPortNameA)); const PortNameToId& portNameToIdB(fUsedPorts.getPortNameToId(fullPortNameB)); /* NOTE: Due to JACK2 async behaviour the port we get here might be the same of a previous rename-plugin request. See the comment on CarlaEngineJack::renamePlugin() for more information. */ if (portNameToIdA.group <= 0 || portNameToIdA.port <= 0) return; if (portNameToIdB.group <= 0 || portNameToIdB.port <= 0) return; if (connect) { char strBuf[STR_MAX+1]; std::snprintf(strBuf, STR_MAX, "%i:%i:%i:%i", portNameToIdA.group, portNameToIdA.port, portNameToIdB.group, portNameToIdB.port); strBuf[STR_MAX] = '\0'; ConnectionToId connectionToId; connectionToId.setData(++fUsedConnections.lastId, portNameToIdA.group, portNameToIdA.port, portNameToIdB.group, portNameToIdB.port); callback(ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED, connectionToId.id, 0, 0, 0.0f, strBuf); fUsedConnections.list.append(connectionToId); } else { ConnectionToId connectionToId = { 0, 0, 0, 0, 0 }; bool found = false; { const CarlaMutexLocker cml(fUsedConnections.mutex); for (LinkedList::Itenerator it = fUsedConnections.list.begin2(); it.valid(); it.next()) { connectionToId = it.getValue(connectionToId); CARLA_SAFE_ASSERT_CONTINUE(connectionToId.id != 0); if (connectionToId.groupA == portNameToIdA.group && connectionToId.portA == portNameToIdA.port && connectionToId.groupB == portNameToIdB.group && connectionToId.portB == portNameToIdB.port) { found = true; fUsedConnections.list.remove(it); break; } } } if (found) callback(ENGINE_CALLBACK_PATCHBAY_CONNECTION_REMOVED, connectionToId.id, 0, 0, 0.0f, nullptr); } } void handleJackPortRenameCallback(const jack_port_id_t port, const char* const oldFullName, const char* const newFullName) { // ignore this if on internal patchbay mode if (! fExternalPatchbay) return; CARLA_SAFE_ASSERT_RETURN(oldFullName != nullptr && oldFullName[0] != '\0',); CARLA_SAFE_ASSERT_RETURN(newFullName != nullptr && newFullName[0] != '\0',); const jack_port_t* const jackPort(jackbridge_port_by_id(fClient, port)); CARLA_SAFE_ASSERT_RETURN(jackPort != nullptr,); const char* const shortPortName(jackbridge_port_short_name(jackPort)); CARLA_SAFE_ASSERT_RETURN(shortPortName != nullptr && shortPortName[0] != '\0',); bool found; CarlaString groupName(newFullName); groupName.truncate(groupName.rfind(shortPortName, &found)-1); CARLA_SAFE_ASSERT_RETURN(found,); const uint groupId(fUsedGroups.getGroupId(groupName)); CARLA_SAFE_ASSERT_RETURN(groupId > 0,); for (LinkedList::Itenerator it = fUsedPorts.list.begin2(); it.valid(); it.next()) { static PortNameToId portNameFallback = { 0, 0, { '\0' }, { '\0' } }; PortNameToId& portNameToId(it.getValue(portNameFallback)); CARLA_SAFE_ASSERT_CONTINUE(portNameToId.group != 0); if (std::strncmp(portNameToId.fullName, oldFullName, STR_MAX) == 0) { CARLA_SAFE_ASSERT_CONTINUE(portNameToId.group == groupId); portNameToId.rename(shortPortName, newFullName); callback(ENGINE_CALLBACK_PATCHBAY_PORT_RENAMED, portNameToId.group, static_cast(portNameToId.port), 0, 0.0f, portNameToId.name); break; } } } #endif void handleJackShutdownCallback() { #ifndef BUILD_BRIDGE signalThreadShouldExit(); #endif const PendingRtEventsRunner prt(this, pData->bufferSize); for (uint i=0; i < pData->curPluginCount; ++i) { if (CarlaPlugin* const plugin = pData->plugins[i].plugin) { plugin->tryLock(true); if (CarlaEngineJackClient* const client = (CarlaEngineJackClient*)plugin->getEngineClient()) client->invalidate(); plugin->unlock(); } } fClient = nullptr; #ifndef BUILD_BRIDGE carla_zeroPointers(fRackPorts, kRackPortCount); #endif callback(ENGINE_CALLBACK_QUIT, 0, 0, 0, 0.0f, nullptr); } // ------------------------------------------------------------------- void handlePluginJackShutdownCallback(CarlaPlugin* const plugin) { CarlaEngineJackClient* const engineClient((CarlaEngineJackClient*)plugin->getEngineClient()); CARLA_SAFE_ASSERT_RETURN(engineClient != nullptr,); plugin->tryLock(true); engineClient->invalidate(); plugin->unlock(); //if (pData->nextAction.pluginId == plugin->getId()) // pData->nextAction.clearAndReset(); callback(ENGINE_CALLBACK_PLUGIN_UNAVAILABLE, plugin->getId(), 0, 0, 0.0f, "Killed by JACK"); } // ------------------------------------------------------------------- private: jack_client_t* fClient; bool fExternalPatchbay; bool fFreewheel; // ------------------------------------------------------------------- #ifdef BUILD_BRIDGE bool fIsRunning; #else enum RackPorts { kRackPortAudioIn1 = 0, kRackPortAudioIn2 = 1, kRackPortAudioOut1 = 2, kRackPortAudioOut2 = 3, kRackPortEventIn = 4, kRackPortEventOut = 5, kRackPortCount = 6 }; jack_port_t* fRackPorts[kRackPortCount]; bool fTimebaseMaster; PatchbayGroupList fUsedGroups; PatchbayPortList fUsedPorts; PatchbayConnectionList fUsedConnections; LinkedList fNewGroups; mutable CharStringListPtr fRetConns; bool findPluginIdAndIcon(const char* const clientName, int& pluginId, PatchbayIcon& icon) noexcept { carla_debug("CarlaEngineJack::findPluginIdAndIcon(\"%s\", ...)", clientName); // TODO - this currently only works in multi-client mode if (pData->options.processMode != ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS) return false; for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin == nullptr || ! plugin->isEnabled()) continue; const CarlaEngineJackClient* const engineClient((const CarlaEngineJackClient*)plugin->getEngineClient()); CARLA_SAFE_ASSERT_CONTINUE(engineClient != nullptr); const char* const engineClientName(engineClient->getJackClientName()); CARLA_SAFE_ASSERT_CONTINUE(engineClientName != nullptr && engineClientName[0] != '\0'); if (std::strcmp(clientName, engineClientName) != 0) continue; pluginId = static_cast(i); icon = PATCHBAY_ICON_PLUGIN; if (const char* const pluginIcon = plugin->getIconName()) { if (pluginIcon[0] == '\0') pass(); else if (std::strcmp(pluginIcon, "app") == 0 || std::strcmp(pluginIcon, "application") == 0) icon = PATCHBAY_ICON_APPLICATION; else if (std::strcmp(pluginIcon, "plugin") == 0) icon = PATCHBAY_ICON_PLUGIN; else if (std::strcmp(pluginIcon, "hardware") == 0) icon = PATCHBAY_ICON_HARDWARE; else if (std::strcmp(pluginIcon, "carla") == 0) icon = PATCHBAY_ICON_CARLA; else if (std::strcmp(pluginIcon, "distrho") == 0) icon = PATCHBAY_ICON_DISTRHO; else if (std::strcmp(pluginIcon, "file") == 0) icon = PATCHBAY_ICON_FILE; } return true; } return false; } void initJackPatchbay(const char* const ourName) { CARLA_SAFE_ASSERT_RETURN(pData->options.processMode != ENGINE_PROCESS_MODE_PATCHBAY || fExternalPatchbay,); CARLA_SAFE_ASSERT_RETURN(ourName != nullptr && ourName[0] != '\0',); CarlaStringList parsedGroups; // add our client first { parsedGroups.append(ourName); GroupNameToId groupNameToId; groupNameToId.setData(++fUsedGroups.lastId, ourName); callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, groupNameToId.group, PATCHBAY_ICON_CARLA, -1, 0.0f, groupNameToId.name); fUsedGroups.list.append(groupNameToId); } // query all jack ports if (const char** const ports = jackbridge_get_ports(fClient, nullptr, nullptr, 0)) { for (int i=0; ports[i] != nullptr; ++i) { const char* const fullPortName(ports[i]); CARLA_SAFE_ASSERT_CONTINUE(fullPortName != nullptr && fullPortName[0] != '\0'); const jack_port_t* const jackPort(jackbridge_port_by_name(fClient, fullPortName)); CARLA_SAFE_ASSERT_CONTINUE(jackPort != nullptr); const char* const shortPortName(jackbridge_port_short_name(jackPort)); CARLA_SAFE_ASSERT_CONTINUE(shortPortName != nullptr && shortPortName[0] != '\0'); const int jackPortFlags(jackbridge_port_flags(jackPort)); uint groupId = 0; bool found; CarlaString groupName(fullPortName); groupName.truncate(groupName.rfind(shortPortName, &found)-1); CARLA_SAFE_ASSERT_CONTINUE(found); if (parsedGroups.contains(groupName)) { groupId = fUsedGroups.getGroupId(groupName); CARLA_SAFE_ASSERT_CONTINUE(groupId > 0); } else { groupId = ++fUsedGroups.lastId; parsedGroups.append(groupName); int pluginId = -1; PatchbayIcon icon = (jackPortFlags & JackPortIsPhysical) ? PATCHBAY_ICON_HARDWARE : PATCHBAY_ICON_APPLICATION; findPluginIdAndIcon(groupName, pluginId, icon); GroupNameToId groupNameToId; groupNameToId.setData(groupId, groupName); callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_ADDED, groupNameToId.group, icon, pluginId, 0.0f, groupNameToId.name); fUsedGroups.list.append(groupNameToId); } addPatchbayJackPort(groupId, jackPort, shortPortName, fullPortName, jackPortFlags); } jackbridge_free(ports); } // query connections, after all ports are in place if (const char** const ports = jackbridge_get_ports(fClient, nullptr, nullptr, JackPortIsOutput)) { char strBuf[STR_MAX+1]; for (int i=0; ports[i] != nullptr; ++i) { const char* const fullPortName(ports[i]); CARLA_SAFE_ASSERT_CONTINUE(fullPortName != nullptr && fullPortName[0] != '\0'); const jack_port_t* const jackPort(jackbridge_port_by_name(fClient, fullPortName)); CARLA_SAFE_ASSERT_CONTINUE(jackPort != nullptr); const PortNameToId& thisPort(fUsedPorts.getPortNameToId(fullPortName)); CARLA_SAFE_ASSERT_CONTINUE(thisPort.group > 0); CARLA_SAFE_ASSERT_CONTINUE(thisPort.port > 0); if (const char** const connections = jackbridge_port_get_all_connections(fClient, jackPort)) { for (int j=0; connections[j] != nullptr; ++j) { const char* const connection(connections[j]); CARLA_SAFE_ASSERT_CONTINUE(connection != nullptr && connection[0] != '\0'); const PortNameToId& targetPort(fUsedPorts.getPortNameToId(connection)); CARLA_SAFE_ASSERT_CONTINUE(targetPort.group > 0); CARLA_SAFE_ASSERT_CONTINUE(targetPort.port > 0); std::snprintf(strBuf, STR_MAX, "%i:%i:%i:%i", thisPort.group, thisPort.port, targetPort.group, targetPort.port); strBuf[STR_MAX] = '\0'; ConnectionToId connectionToId; connectionToId.setData(++fUsedConnections.lastId, thisPort.group, thisPort.port, targetPort.group, targetPort.port); callback(ENGINE_CALLBACK_PATCHBAY_CONNECTION_ADDED, connectionToId.id, 0, 0, 0.0f, strBuf); fUsedConnections.list.append(connectionToId); } jackbridge_free(connections); } } jackbridge_free(ports); } } void addPatchbayJackPort(const uint groupId, const jack_port_t* const jackPort, const char* const shortPortName, const char* const fullPortName, const int jackPortFlags) { bool portIsInput = (jackPortFlags & JackPortIsInput); bool portIsAudio = (std::strcmp(jackbridge_port_type(jackPort), JACK_DEFAULT_AUDIO_TYPE) == 0); bool portIsMIDI = (std::strcmp(jackbridge_port_type(jackPort), JACK_DEFAULT_MIDI_TYPE) == 0); bool portIsCV = false; bool portIsOSC = false; if (const jack_uuid_t uuid = jackbridge_port_uuid(jackPort)) { char* value = nullptr; char* type = nullptr; if (jackbridge_get_property(uuid, JACKEY_SIGNAL_TYPE, &value, &type) && value != nullptr && type != nullptr && std::strcmp(type, "text/plain") == 0) { portIsCV = (std::strcmp(value, "CV") == 0); portIsOSC = (std::strcmp(value, "OSC") == 0); } } uint canvasPortFlags = 0x0; canvasPortFlags |= portIsInput ? PATCHBAY_PORT_IS_INPUT : 0x0; if (portIsCV) canvasPortFlags |= PATCHBAY_PORT_TYPE_CV; else if (portIsAudio) canvasPortFlags |= PATCHBAY_PORT_TYPE_AUDIO; else if (portIsMIDI) canvasPortFlags |= PATCHBAY_PORT_TYPE_MIDI; PortNameToId portNameToId; portNameToId.setData(groupId, ++fUsedPorts.lastId, shortPortName, fullPortName); callback(ENGINE_CALLBACK_PATCHBAY_PORT_ADDED, portNameToId.group, static_cast(portNameToId.port), static_cast(canvasPortFlags), 0.0f, portNameToId.name); fUsedPorts.list.append(portNameToId); return; // unused (void)portIsOSC; } #endif // ------------------------------------------------------------------- void processPlugin(CarlaPlugin* const plugin, const uint32_t nframes) { const uint32_t audioInCount(plugin->getAudioInCount()); const uint32_t audioOutCount(plugin->getAudioOutCount()); const uint32_t cvInCount(plugin->getCVInCount()); const uint32_t cvOutCount(plugin->getCVOutCount()); const float* audioIn[audioInCount]; /* */ float* audioOut[audioOutCount]; const float* cvIn[cvInCount]; /* */ float* cvOut[cvOutCount]; for (uint32_t i=0; i < audioInCount; ++i) { CarlaEngineAudioPort* const port(plugin->getAudioInPort(i)); audioIn[i] = port->getBuffer(); } for (uint32_t i=0; i < audioOutCount; ++i) { CarlaEngineAudioPort* const port(plugin->getAudioOutPort(i)); audioOut[i] = port->getBuffer(); } for (uint32_t i=0; i < cvInCount; ++i) { CarlaEngineCVPort* const port(plugin->getCVInPort(i)); cvIn[i] = port->getBuffer(); } for (uint32_t i=0; i < cvOutCount; ++i) { CarlaEngineCVPort* const port(plugin->getCVOutPort(i)); cvOut[i] = port->getBuffer(); } float inPeaks[2] = { 0.0f }; float outPeaks[2] = { 0.0f }; for (uint32_t i=0; i < audioInCount && i < 2; ++i) { for (uint32_t j=0; j < nframes; ++j) { const float absV(std::abs(audioIn[i][j])); if (absV > inPeaks[i]) inPeaks[i] = absV; } } plugin->process(audioIn, audioOut, cvIn, cvOut, nframes); for (uint32_t i=0; i < audioOutCount && i < 2; ++i) { for (uint32_t j=0; j < nframes; ++j) { const float absV(std::abs(audioOut[i][j])); if (absV > outPeaks[i]) outPeaks[i] = absV; } } setPluginPeaks(plugin->getId(), inPeaks, outPeaks); } #ifndef BUILD_BRIDGE // ------------------------------------------------------------------- struct PostPonedJackEvent { enum Type { kTypeNull = 0, kTypeClientRegister, kTypePortRegister, kTypePortConnect, kTypePortRename }; Type type; bool action; // register or connect jack_port_id_t port1; jack_port_id_t port2; char name1[STR_MAX+1]; char name2[STR_MAX+1]; }; LinkedList fPostPonedEvents; CarlaMutex fPostPonedEventsMutex; void postPoneJackCallback(const PostPonedJackEvent& ev) { const CarlaMutexLocker cml(fPostPonedEventsMutex); fPostPonedEvents.append(ev); } void run() override { LinkedList events; LinkedList newPlugins; PostPonedJackEvent nullEvent; carla_zeroStruct(nullEvent); for (; ! shouldThreadExit();) { { const CarlaMutexLocker cml(fPostPonedEventsMutex); if (fPostPonedEvents.count() > 0) fPostPonedEvents.moveTo(events); if (fNewGroups.count() > 0) fNewGroups.moveTo(newPlugins); } if (fClient == nullptr) break; if (events.count() == 0 && newPlugins.count() == 0) { carla_msleep(200); continue; } for (LinkedList::Itenerator it = events.begin2(); it.valid(); it.next()) { const PostPonedJackEvent& ev(it.getValue(nullEvent)); CARLA_SAFE_ASSERT_CONTINUE(ev.type != PostPonedJackEvent::kTypeNull); switch (ev.type) { case PostPonedJackEvent::kTypeNull: break; case PostPonedJackEvent::kTypeClientRegister: handleJackClientRegistrationCallback(ev.name1, ev.action); break; case PostPonedJackEvent::kTypePortRegister: handleJackPortRegistrationCallback(ev.port1, ev.action); break; case PostPonedJackEvent::kTypePortConnect: handleJackPortConnectCallback(ev.port1, ev.port2, ev.action); break; case PostPonedJackEvent::kTypePortRename: handleJackPortRenameCallback(ev.port1, ev.name1, ev.name2); break; } } for (LinkedList::Itenerator it = newPlugins.begin2(); it.valid(); it.next()) { const uint groupId(it.getValue(0)); CARLA_SAFE_ASSERT_CONTINUE(groupId > 0); const char* const groupName(fUsedGroups.getGroupName(groupId)); CARLA_SAFE_ASSERT_CONTINUE(groupName != nullptr && groupName[0] != '\0'); int pluginId = -1; PatchbayIcon icon = PATCHBAY_ICON_PLUGIN; if (findPluginIdAndIcon(groupName, pluginId, icon)) callback(ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED, groupId, icon, pluginId, 0.0f, nullptr); } events.clear(); newPlugins.clear(); } events.clear(); newPlugins.clear(); } #endif // BUILD_BRIDGE // ------------------------------------------------------------------- // disable -Wattributes warnings #if defined(__clang__) # pragma clang diagnostic push # pragma clang diagnostic ignored "-Wattributes" #elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) # pragma GCC diagnostic push # pragma GCC diagnostic ignored "-Wattributes" #endif #define handlePtr ((CarlaEngineJack*)arg) static void JACKBRIDGE_API carla_jack_thread_init_callback(void*) { #ifdef __SSE2_MATH__ // Set FTZ and DAZ flags _mm_setcsr(_mm_getcsr() | 0x8040); #endif } static int JACKBRIDGE_API carla_jack_bufsize_callback(jack_nframes_t newBufferSize, void* arg) { handlePtr->handleJackBufferSizeCallback(newBufferSize); return 0; } static int JACKBRIDGE_API carla_jack_srate_callback(jack_nframes_t newSampleRate, void* arg) { handlePtr->handleJackSampleRateCallback(newSampleRate); return 0; } static void JACKBRIDGE_API carla_jack_freewheel_callback(int starting, void* arg) { handlePtr->handleJackFreewheelCallback(bool(starting)); } static int JACKBRIDGE_API carla_jack_process_callback(jack_nframes_t nframes, void* arg) __attribute__((annotate("realtime"))) { handlePtr->handleJackProcessCallback(nframes); return 0; } static void JACKBRIDGE_API carla_jack_latency_callback(jack_latency_callback_mode_t mode, void* arg) { handlePtr->handleJackLatencyCallback(mode); } #ifndef BUILD_BRIDGE static void JACKBRIDGE_API carla_jack_timebase_callback(jack_transport_state_t, jack_nframes_t nframes, jack_position_t* pos, int new_pos, void* arg) __attribute__((annotate("realtime"))) { handlePtr->handleJackTimebaseCallback(nframes, pos, new_pos); } static void JACKBRIDGE_API carla_jack_client_registration_callback(const char* name, int reg, void* arg) { PostPonedJackEvent ev; carla_zeroStruct(ev); ev.type = PostPonedJackEvent::kTypeClientRegister; ev.action = (reg != 0); std::strncpy(ev.name1, name, STR_MAX); handlePtr->postPoneJackCallback(ev); } static void JACKBRIDGE_API carla_jack_port_registration_callback(jack_port_id_t port, int reg, void* arg) { PostPonedJackEvent ev; carla_zeroStruct(ev); ev.type = PostPonedJackEvent::kTypePortRegister; ev.action = (reg != 0); ev.port1 = port; handlePtr->postPoneJackCallback(ev); } static void JACKBRIDGE_API carla_jack_port_connect_callback(jack_port_id_t a, jack_port_id_t b, int connect, void* arg) { PostPonedJackEvent ev; carla_zeroStruct(ev); ev.type = PostPonedJackEvent::kTypePortConnect; ev.action = (connect != 0); ev.port1 = a; ev.port2 = b; handlePtr->postPoneJackCallback(ev); } static void JACKBRIDGE_API carla_jack_port_rename_callback(jack_port_id_t port, const char* oldName, const char* newName, void* arg) { PostPonedJackEvent ev; carla_zeroStruct(ev); ev.type = PostPonedJackEvent::kTypePortRename; ev.port1 = port; std::strncpy(ev.name1, oldName, STR_MAX); std::strncpy(ev.name2, newName, STR_MAX); handlePtr->postPoneJackCallback(ev); } #endif static void JACKBRIDGE_API carla_jack_shutdown_callback(void* arg) { handlePtr->handleJackShutdownCallback(); } #undef handlePtr // ------------------------------------------------------------------- #ifndef BUILD_BRIDGE static int JACKBRIDGE_API carla_jack_process_callback_plugin(jack_nframes_t nframes, void* arg) __attribute__((annotate("realtime"))) { CarlaPlugin* const plugin((CarlaPlugin*)arg); CARLA_SAFE_ASSERT_RETURN(plugin != nullptr && plugin->isEnabled(), 0); CarlaEngineJack* const engine((CarlaEngineJack*)plugin->getEngine()); CARLA_SAFE_ASSERT_RETURN(engine != nullptr, 0); if (plugin->tryLock(engine->fFreewheel)) { plugin->initBuffers(); engine->saveTransportInfo(); engine->processPlugin(plugin, nframes); plugin->unlock(); } return 0; } static void JACKBRIDGE_API carla_jack_latency_callback_plugin(jack_latency_callback_mode_t /*mode*/, void* /*arg*/) { // TODO } static void JACKBRIDGE_API carla_jack_shutdown_callback_plugin(void* arg) { CarlaPlugin* const plugin((CarlaPlugin*)arg); CARLA_SAFE_ASSERT_RETURN(plugin != nullptr,); CarlaEngineJack* const engine((CarlaEngineJack*)plugin->getEngine()); CARLA_SAFE_ASSERT_RETURN(engine != nullptr,); engine->handlePluginJackShutdownCallback(plugin); } #endif // enable -Wattributes again #if defined(__clang__) # pragma clang diagnostic pop #elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) # pragma GCC diagnostic pop #endif CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineJack) }; // ----------------------------------------------------------------------- CarlaEngine* CarlaEngine::newJack() { carla_debug("CarlaEngine::newJack()"); return new CarlaEngineJack(); } // ----------------------------------------------------------------------- CARLA_BACKEND_END_NAMESPACE