/* * Carla Plugin Host * Copyright (C) 2011-2018 Filipe Coelho * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * For a full copy of the GNU General Public License see the doc/GPL.txt file. */ /* TODO: * - complete processRack(): carefully add to input, sorted events * - implement processPatchbay() * - implement oscSend_control_switch_plugins() * - something about the peaks? */ #include "CarlaEngineInternal.hpp" #include "CarlaPlugin.hpp" #include "CarlaBackendUtils.hpp" #include "CarlaBinaryUtils.hpp" #include "CarlaEngineUtils.hpp" #include "CarlaMathUtils.hpp" #include "CarlaPipeUtils.hpp" #include "CarlaStateUtils.hpp" #include "CarlaMIDI.h" #include "jackbridge/JackBridge.hpp" #include "water/files/File.h" #include "water/streams/MemoryOutputStream.h" #include "water/xml/XmlDocument.h" #include "water/xml/XmlElement.h" // FIXME Remove on 2.1 release #include "lv2/atom.h" using water::Array; using water::CharPointer_UTF8; using water::File; using water::MemoryOutputStream; using water::String; using water::StringArray; using water::XmlDocument; using water::XmlElement; CARLA_BACKEND_START_NAMESPACE // ----------------------------------------------------------------------- // Carla Engine CarlaEngine::CarlaEngine() : pData(new ProtectedData(this)) { carla_debug("CarlaEngine::CarlaEngine()"); } CarlaEngine::~CarlaEngine() { carla_debug("CarlaEngine::~CarlaEngine()"); delete pData; } // ----------------------------------------------------------------------- // Static calls uint CarlaEngine::getDriverCount() { carla_debug("CarlaEngine::getDriverCount()"); uint count = 0; if (jackbridge_is_ok()) count += 1; #ifndef BUILD_BRIDGE count += getRtAudioApiCount(); #endif return count; } const char* CarlaEngine::getDriverName(const uint index2) { carla_debug("CarlaEngine::getDriverName(%i)", index2); uint index(index2); if (jackbridge_is_ok() && index-- == 0) return "JACK"; #ifndef BUILD_BRIDGE if (const uint count = getRtAudioApiCount()) { if (index < count) return getRtAudioApiName(index); } #endif carla_stderr("CarlaEngine::getDriverName(%i) - invalid index", index2); return nullptr; } const char* const* CarlaEngine::getDriverDeviceNames(const uint index2) { carla_debug("CarlaEngine::getDriverDeviceNames(%i)", index2); uint index(index2); if (jackbridge_is_ok() && index-- == 0) { static const char* ret[3] = { "Auto-Connect OFF", "Auto-Connect ON", nullptr }; return ret; } #ifndef BUILD_BRIDGE if (const uint count = getRtAudioApiCount()) { if (index < count) return getRtAudioApiDeviceNames(index); } #endif carla_stderr("CarlaEngine::getDriverDeviceNames(%i) - invalid index", index2); return nullptr; } const EngineDriverDeviceInfo* CarlaEngine::getDriverDeviceInfo(const uint index2, const char* const deviceName) { carla_debug("CarlaEngine::getDriverDeviceInfo(%i, \"%s\")", index2, deviceName); uint index(index2); if (jackbridge_is_ok() && index-- == 0) { static uint32_t bufSizes[11] = { 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 0 }; static EngineDriverDeviceInfo devInfo; devInfo.hints = ENGINE_DRIVER_DEVICE_VARIABLE_BUFFER_SIZE; devInfo.bufferSizes = bufSizes; devInfo.sampleRates = nullptr; return &devInfo; } #ifndef BUILD_BRIDGE if (const uint count = getRtAudioApiCount()) { if (index < count) return getRtAudioDeviceInfo(index, deviceName); } #endif carla_stderr("CarlaEngine::getDriverDeviceNames(%i, \"%s\") - invalid index", index2, deviceName); return nullptr; } CarlaEngine* CarlaEngine::newDriverByName(const char* const driverName) { CARLA_SAFE_ASSERT_RETURN(driverName != nullptr && driverName[0] != '\0', nullptr); carla_debug("CarlaEngine::newDriverByName(\"%s\")", driverName); if (std::strcmp(driverName, "JACK") == 0) return newJack(); #ifndef BUILD_BRIDGE // ------------------------------------------------------------------- // common if (std::strcmp(driverName, "Dummy") == 0) return newRtAudio(AUDIO_API_NULL); if (std::strncmp(driverName, "JACK ", 5) == 0) return newRtAudio(AUDIO_API_JACK); if (std::strcmp(driverName, "OSS") == 0) return newRtAudio(AUDIO_API_OSS); // ------------------------------------------------------------------- // linux if (std::strcmp(driverName, "ALSA") == 0) return newRtAudio(AUDIO_API_ALSA); if (std::strcmp(driverName, "PulseAudio") == 0) return newRtAudio(AUDIO_API_PULSEAUDIO); // ------------------------------------------------------------------- // macos if (std::strcmp(driverName, "CoreAudio") == 0) return newRtAudio(AUDIO_API_COREAUDIO); // ------------------------------------------------------------------- // windows if (std::strcmp(driverName, "ASIO") == 0) return newRtAudio(AUDIO_API_ASIO); if (std::strcmp(driverName, "DirectSound") == 0) return newRtAudio(AUDIO_API_DIRECTSOUND); if (std::strcmp(driverName, "WASAPI") == 0) return newRtAudio(AUDIO_API_WASAPI); #endif carla_stderr("CarlaEngine::newDriverByName(\"%s\") - invalid driver name", driverName); return nullptr; } // ----------------------------------------------------------------------- // Constant values uint CarlaEngine::getMaxClientNameSize() const noexcept { return STR_MAX/2; } uint CarlaEngine::getMaxPortNameSize() const noexcept { return STR_MAX; } uint CarlaEngine::getCurrentPluginCount() const noexcept { return pData->curPluginCount; } uint CarlaEngine::getMaxPluginNumber() const noexcept { return pData->maxPluginNumber; } // ----------------------------------------------------------------------- // Virtual, per-engine type calls bool CarlaEngine::close() { carla_debug("CarlaEngine::close()"); if (pData->curPluginCount != 0) { pData->aboutToClose = true; removeAllPlugins(); } #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE) if (pData->osc.isControlRegistered()) oscSend_control_exit(); #endif pData->close(); callback(ENGINE_CALLBACK_ENGINE_STOPPED, 0, 0, 0, 0.0f, nullptr); return true; } bool CarlaEngine::usesConstantBufferSize() const noexcept { return true; } void CarlaEngine::idle() noexcept { CARLA_SAFE_ASSERT_RETURN(pData->nextAction.opcode == kEnginePostActionNull,); CARLA_SAFE_ASSERT_RETURN(pData->nextPluginId == pData->maxPluginNumber,); CARLA_SAFE_ASSERT_RETURN(getType() != kEngineTypePlugin,); for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled()) { const uint hints(plugin->getHints()); if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0) { try { plugin->uiIdle(); } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle"); } } } #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) pData->osc.idle(); #endif } CarlaEngineClient* CarlaEngine::addClient(CarlaPlugin* const) { return new CarlaEngineClient(*this); } // ----------------------------------------------------------------------- // Plugin management bool CarlaEngine::addPlugin(const BinaryType btype, const PluginType ptype, const char* const filename, const char* const name, const char* const label, const int64_t uniqueId, const void* const extra, const uint options) { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); #ifndef BUILD_BRIDGE CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextPluginId <= pData->maxPluginNumber, "Invalid engine internal data"); #endif CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(btype != BINARY_NONE, "Invalid plugin binary mode"); CARLA_SAFE_ASSERT_RETURN_ERR(ptype != PLUGIN_NONE, "Invalid plugin type"); CARLA_SAFE_ASSERT_RETURN_ERR((filename != nullptr && filename[0] != '\0') || (label != nullptr && label[0] != '\0'), "Invalid plugin filename and label"); carla_debug("CarlaEngine::addPlugin(%i:%s, %i:%s, \"%s\", \"%s\", \"%s\", " P_INT64 ", %p, %u)", btype, BinaryType2Str(btype), ptype, PluginType2Str(ptype), filename, name, label, uniqueId, extra, options); uint id; #ifndef BUILD_BRIDGE CarlaPlugin* oldPlugin = nullptr; if (pData->nextPluginId < pData->curPluginCount) { id = pData->nextPluginId; pData->nextPluginId = pData->maxPluginNumber; oldPlugin = pData->plugins[id].plugin; CARLA_SAFE_ASSERT_RETURN_ERR(oldPlugin != nullptr, "Invalid replace plugin Id"); } else #endif { id = pData->curPluginCount; if (id == pData->maxPluginNumber) { setLastError("Maximum number of plugins reached"); return false; } #ifndef BUILD_BRIDGE CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins[id].plugin == nullptr, "Invalid engine internal data"); #endif } CarlaPlugin::Initializer initializer = { this, id, filename, name, label, uniqueId, options }; CarlaPlugin* plugin = nullptr; CarlaString bridgeBinary(pData->options.binaryDir); if (bridgeBinary.isNotEmpty()) { #ifndef CARLA_OS_WIN if (btype == BINARY_NATIVE) { bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-native"; } else #endif { switch (btype) { case BINARY_POSIX32: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-posix32"; break; case BINARY_POSIX64: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-posix64"; break; case BINARY_WIN32: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-win32.exe"; break; case BINARY_WIN64: bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-win64.exe"; break; default: bridgeBinary.clear(); break; } } if (! File(bridgeBinary.buffer()).existsAsFile()) bridgeBinary.clear(); } // Prefer bridges for some specific plugins bool preferBridges = pData->options.preferPluginBridges; #ifndef BUILD_BRIDGE if (! preferBridges) { if (ptype == PLUGIN_LV2 && label != nullptr) { if (std::strncmp(label, "http://calf.sourceforge.net/plugins/", 36) == 0 || std::strcmp(label, "http://factorial.hu/plugins/lv2/ir") == 0 || std::strstr(label, "v1.sourceforge.net/lv2") != nullptr) { preferBridges = true; } } } #endif // ! BUILD_BRIDGE const bool canBeBridged = ptype != PLUGIN_INTERNAL && ptype != PLUGIN_SF2 && ptype != PLUGIN_SFZ && ptype != PLUGIN_JACK; if (canBeBridged && (btype != BINARY_NATIVE || (preferBridges && bridgeBinary.isNotEmpty()))) { if (bridgeBinary.isNotEmpty()) { plugin = CarlaPlugin::newBridge(initializer, btype, ptype, bridgeBinary); } else { setLastError("This Carla build cannot handle this binary"); return false; } } else { #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH bool use16Outs; #endif setLastError("Invalid or unsupported plugin type"); switch (ptype) { case PLUGIN_NONE: break; case PLUGIN_LADSPA: plugin = CarlaPlugin::newLADSPA(initializer, (const LADSPA_RDF_Descriptor*)extra); break; case PLUGIN_DSSI: plugin = CarlaPlugin::newDSSI(initializer); break; case PLUGIN_LV2: plugin = CarlaPlugin::newLV2(initializer); break; case PLUGIN_VST2: plugin = CarlaPlugin::newVST2(initializer); break; #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH case PLUGIN_INTERNAL: plugin = CarlaPlugin::newNative(initializer); break; case PLUGIN_SF2: use16Outs = (extra != nullptr && std::strcmp((const char*)extra, "true") == 0); plugin = CarlaPlugin::newFluidSynth(initializer, use16Outs); break; case PLUGIN_SFZ: plugin = CarlaPlugin::newSFZero(initializer); break; case PLUGIN_JACK: plugin = CarlaPlugin::newJackApp(initializer); break; #else case PLUGIN_INTERNAL: case PLUGIN_SF2: case PLUGIN_SFZ: case PLUGIN_JACK: setLastError("Plugin bridges cannot handle this binary"); break; #endif } } if (plugin == nullptr) return false; plugin->reload(); #ifndef BUILD_BRIDGE bool canRun = true; /**/ if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK) { if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0) { setLastError("Carla's rack mode cannot work with plugins that have CV ports, sorry!"); canRun = false; } } else if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { /**/ if (plugin->getMidiInCount() > 1 || plugin->getMidiOutCount() > 1) { setLastError("Carla's patchbay mode cannot work with plugins that have multiple MIDI ports, sorry!"); canRun = false; } else if (plugin->getCVInCount() > 0 || plugin->getCVInCount() > 0) { setLastError("CV ports in patchbay mode is still TODO"); canRun = false; } } if (! canRun) { delete plugin; return false; } # ifdef HAVE_LIBLO plugin->registerToOscClient(); # endif #endif EnginePluginData& pluginData(pData->plugins[id]); pluginData.plugin = plugin; pluginData.insPeak[0] = 0.0f; pluginData.insPeak[1] = 0.0f; pluginData.outsPeak[0] = 0.0f; pluginData.outsPeak[1] = 0.0f; #ifndef BUILD_BRIDGE if (oldPlugin != nullptr) { CARLA_SAFE_ASSERT(! pData->loadingProject); const ScopedThreadStopper sts(this); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.replacePlugin(oldPlugin, plugin); const bool wasActive = oldPlugin->getInternalParameterValue(PARAMETER_ACTIVE) >= 0.5f; const float oldDryWet = oldPlugin->getInternalParameterValue(PARAMETER_DRYWET); const float oldVolume = oldPlugin->getInternalParameterValue(PARAMETER_VOLUME); delete oldPlugin; if (plugin->getHints() & PLUGIN_CAN_DRYWET) plugin->setDryWet(oldDryWet, true, true); if (plugin->getHints() & PLUGIN_CAN_VOLUME) plugin->setVolume(oldVolume, true, true); plugin->setActive(wasActive, true, true); plugin->setEnabled(true); callback(ENGINE_CALLBACK_RELOAD_ALL, id, 0, 0, 0.0f, nullptr); } else if (! pData->loadingProject) #endif { plugin->setActive(true, true, false); plugin->setEnabled(true); ++pData->curPluginCount; callback(ENGINE_CALLBACK_PLUGIN_ADDED, id, 0, 0, 0.0f, plugin->getName()); #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.addPlugin(plugin); #endif } return true; } bool CarlaEngine::addPlugin(const PluginType ptype, const char* const filename, const char* const name, const char* const label, const int64_t uniqueId, const void* const extra) { return addPlugin(BINARY_NATIVE, ptype, filename, name, label, uniqueId, extra, 0x0); } bool CarlaEngine::removePlugin(const uint id) { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); #ifndef BUILD_BRIDGE CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount != 0, "Invalid engine internal data"); #endif CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(id < pData->curPluginCount, "Invalid plugin Id"); carla_debug("CarlaEngine::removePlugin(%i)", id); CarlaPlugin* const plugin(pData->plugins[id].plugin); CARLA_SAFE_ASSERT_RETURN_ERR(plugin != nullptr, "Could not find plugin to remove"); CARLA_SAFE_ASSERT_RETURN_ERR(plugin->getId() == id, "Invalid engine internal data"); const ScopedThreadStopper sts(this); #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.removePlugin(plugin); const ScopedActionLock sal(this, kEnginePostActionRemovePlugin, id, 0); /* for (uint i=id; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin2(pData->plugins[i].plugin); CARLA_SAFE_ASSERT_BREAK(plugin2 != nullptr); plugin2->updateOscURL(); } */ # ifdef HAVE_LIBLO if (isOscControlRegistered()) oscSend_control_remove_plugin(id); # endif #else pData->curPluginCount = 0; carla_zeroStructs(pData->plugins, 1); #endif delete plugin; callback(ENGINE_CALLBACK_PLUGIN_REMOVED, id, 0, 0, 0.0f, nullptr); return true; } bool CarlaEngine::removeAllPlugins() { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); #ifndef BUILD_BRIDGE CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextPluginId == pData->maxPluginNumber, "Invalid engine internal data"); #endif CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); carla_debug("CarlaEngine::removeAllPlugins()"); if (pData->curPluginCount == 0) return true; const ScopedThreadStopper sts(this); const uint curPluginCount(pData->curPluginCount); #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.removeAllPlugins(); # ifdef HAVE_LIBLO if (isOscControlRegistered()) { for (uint i=0; i < curPluginCount; ++i) oscSend_control_remove_plugin(curPluginCount-i-1); } # endif #endif const ScopedActionLock sal(this, kEnginePostActionZeroCount, 0, 0); callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); for (uint i=0; i < curPluginCount; ++i) { EnginePluginData& pluginData(pData->plugins[i]); if (pluginData.plugin != nullptr) { delete pluginData.plugin; pluginData.plugin = nullptr; } pluginData.insPeak[0] = 0.0f; pluginData.insPeak[1] = 0.0f; pluginData.outsPeak[0] = 0.0f; pluginData.outsPeak[1] = 0.0f; callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); } return true; } #ifndef BUILD_BRIDGE const char* CarlaEngine::renamePlugin(const uint id, const char* const newName) { CARLA_SAFE_ASSERT_RETURN_ERRN(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); CARLA_SAFE_ASSERT_RETURN_ERRN(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERRN(pData->curPluginCount != 0, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERRN(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERRN(id < pData->curPluginCount, "Invalid plugin Id"); CARLA_SAFE_ASSERT_RETURN_ERRN(newName != nullptr && newName[0] != '\0', "Invalid plugin name"); carla_debug("CarlaEngine::renamePlugin(%i, \"%s\")", id, newName); 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"); const char* const uniqueName(getUniquePluginName(newName)); CARLA_SAFE_ASSERT_RETURN_ERRN(uniqueName != nullptr, "Unable to get new unique plugin name"); plugin->setName(uniqueName); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.renamePlugin(plugin, uniqueName); delete[] uniqueName; return plugin->getName(); } bool CarlaEngine::clonePlugin(const uint id) { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount != 0, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(id < pData->curPluginCount, "Invalid plugin Id"); carla_debug("CarlaEngine::clonePlugin(%i)", id); CarlaPlugin* const plugin(pData->plugins[id].plugin); CARLA_SAFE_ASSERT_RETURN_ERR(plugin != nullptr, "Could not find plugin to clone"); CARLA_SAFE_ASSERT_RETURN_ERR(plugin->getId() == id, "Invalid engine internal data"); char label[STR_MAX+1]; carla_zeroChars(label, STR_MAX+1); plugin->getLabel(label); const uint pluginCountBefore(pData->curPluginCount); if (! addPlugin(plugin->getBinaryType(), plugin->getType(), plugin->getFilename(), plugin->getName(), label, plugin->getUniqueId(), plugin->getExtraStuff(), plugin->getOptionsEnabled())) return false; CARLA_SAFE_ASSERT_RETURN_ERR(pluginCountBefore+1 == pData->curPluginCount, "No new plugin found"); if (CarlaPlugin* const newPlugin = pData->plugins[pluginCountBefore].plugin) newPlugin->loadStateSave(plugin->getStateSave()); return true; } bool CarlaEngine::replacePlugin(const uint id) noexcept { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount != 0, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); carla_debug("CarlaEngine::replacePlugin(%i)", id); // might use this to reset if (id == pData->maxPluginNumber) { pData->nextPluginId = pData->maxPluginNumber; return true; } CARLA_SAFE_ASSERT_RETURN_ERR(id < pData->curPluginCount, "Invalid plugin Id"); CarlaPlugin* const plugin(pData->plugins[id].plugin); CARLA_SAFE_ASSERT_RETURN_ERR(plugin != nullptr, "Could not find plugin to replace"); CARLA_SAFE_ASSERT_RETURN_ERR(plugin->getId() == id, "Invalid engine internal data"); pData->nextPluginId = id; return true; } bool CarlaEngine::switchPlugins(const uint idA, const uint idB) noexcept { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount >= 2, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(idA != idB, "Invalid operation, cannot switch plugin with itself"); CARLA_SAFE_ASSERT_RETURN_ERR(idA < pData->curPluginCount, "Invalid plugin Id"); CARLA_SAFE_ASSERT_RETURN_ERR(idB < pData->curPluginCount, "Invalid plugin Id"); carla_debug("CarlaEngine::switchPlugins(%i)", idA, idB); CarlaPlugin* const pluginA(pData->plugins[idA].plugin); CarlaPlugin* const pluginB(pData->plugins[idB].plugin); CARLA_SAFE_ASSERT_RETURN_ERR(pluginA != nullptr, "Could not find plugin to switch"); CARLA_SAFE_ASSERT_RETURN_ERR(pluginA != nullptr, "Could not find plugin to switch"); CARLA_SAFE_ASSERT_RETURN_ERR(pluginA->getId() == idA, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERR(pluginB->getId() == idB, "Invalid engine internal data"); const ScopedThreadStopper sts(this); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.replacePlugin(pluginA, pluginB); const ScopedActionLock sal(this, kEnginePostActionSwitchPlugins, idA, idB); // TODO /* pluginA->updateOscURL(); pluginB->updateOscURL(); if (isOscControlRegistered()) oscSend_control_switch_plugins(idA, idB); */ return true; } #endif CarlaPlugin* CarlaEngine::getPlugin(const uint id) const noexcept { #ifndef BUILD_BRIDGE CARLA_SAFE_ASSERT_RETURN_ERRN(pData->plugins != nullptr, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERRN(pData->curPluginCount != 0, "Invalid engine internal data"); #endif CARLA_SAFE_ASSERT_RETURN_ERRN(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data"); CARLA_SAFE_ASSERT_RETURN_ERRN(id < pData->curPluginCount, "Invalid plugin Id"); return pData->plugins[id].plugin; } CarlaPlugin* CarlaEngine::getPluginUnchecked(const uint id) const noexcept { return pData->plugins[id].plugin; } const char* CarlaEngine::getUniquePluginName(const char* const name) const { CARLA_SAFE_ASSERT_RETURN(pData->nextAction.opcode == kEnginePostActionNull, nullptr); CARLA_SAFE_ASSERT_RETURN(name != nullptr && name[0] != '\0', nullptr); carla_debug("CarlaEngine::getUniquePluginName(\"%s\")", name); CarlaString sname; sname = name; if (sname.isEmpty()) { sname = "(No name)"; return sname.dup(); } const std::size_t maxNameSize(carla_minConstrained(getMaxClientNameSize(), 0xff, 6U) - 6); // 6 = strlen(" (10)") + 1 if (maxNameSize == 0 || ! isRunning()) return sname.dup(); sname.truncate(maxNameSize); sname.replace(':', '.'); // ':' is used in JACK1 to split client/port names for (uint i=0; i < pData->curPluginCount; ++i) { CARLA_SAFE_ASSERT_BREAK(pData->plugins[i].plugin != nullptr); // Check if unique name doesn't exist if (const char* const pluginName = pData->plugins[i].plugin->getName()) { if (sname != pluginName) continue; } // Check if string has already been modified { const std::size_t len(sname.length()); // 1 digit, ex: " (2)" if (sname[len-4] == ' ' && sname[len-3] == '(' && sname.isDigit(len-2) && sname[len-1] == ')') { const int number = sname[len-2] - '0'; if (number == 9) { // next number is 10, 2 digits sname.truncate(len-4); sname += " (10)"; //sname.replace(" (9)", " (10)"); } else sname[len-2] = char('0' + number + 1); continue; } // 2 digits, ex: " (11)" if (sname[len-5] == ' ' && sname[len-4] == '(' && sname.isDigit(len-3) && sname.isDigit(len-2) && sname[len-1] == ')') { char n2 = sname[len-2]; char n3 = sname[len-3]; if (n2 == '9') { n2 = '0'; n3 = static_cast(n3 + 1); } else n2 = static_cast(n2 + 1); sname[len-2] = n2; sname[len-3] = n3; continue; } } // Modify string if not sname += " (2)"; } return sname.dup(); } // ----------------------------------------------------------------------- // Project management bool CarlaEngine::loadFile(const char* const filename) { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename"); carla_debug("CarlaEngine::loadFile(\"%s\")", filename); const String jfilename = String(CharPointer_UTF8(filename)); File file(jfilename); CARLA_SAFE_ASSERT_RETURN_ERR(file.exists(), "Requested file does not exist or is not a readable"); CarlaString baseName(file.getFileNameWithoutExtension().toRawUTF8()); CarlaString extension(file.getFileExtension().replace(".","").toLowerCase().toRawUTF8()); const uint curPluginId(pData->nextPluginId < pData->curPluginCount ? pData->nextPluginId : pData->curPluginCount); // ------------------------------------------------------------------- // NOTE: please keep in sync with carla_get_supported_file_extensions!! if (extension == "carxp" || extension == "carxs") return loadProject(filename); // ------------------------------------------------------------------- if (extension == "sf2" || extension == "sf3") return addPlugin(PLUGIN_SF2, filename, baseName, baseName, 0, nullptr); if (extension == "sfz") return addPlugin(PLUGIN_SFZ, filename, baseName, baseName, 0, nullptr); // ------------------------------------------------------------------- if ( #ifdef HAVE_SNDFILE extension == "aif" || extension == "aifc" || extension == "aiff" || extension == "au" || extension == "bwf" || extension == "flac" || extension == "htk" || extension == "iff" || extension == "mat4" || extension == "mat5" || extension == "oga" || extension == "ogg" || extension == "paf" || extension == "pvf" || extension == "pvf5" || extension == "sd2" || extension == "sf" || extension == "snd" || extension == "svx" || extension == "vcc" || extension == "w64" || extension == "wav" || extension == "xi" || #endif #ifdef HAVE_FFMPEG extension == "3g2" || extension == "3gp" || extension == "aac" || extension == "ac3" || extension == "amr" || extension == "ape" || extension == "mp2" || extension == "mp3" || extension == "mpc" || extension == "wma" || # ifdef HAVE_SNDFILE // FFmpeg without sndfile extension == "flac" || extension == "oga" || extension == "ogg" || extension == "w64" || extension == "wav" || # endif #endif false ) { if (addPlugin(PLUGIN_INTERNAL, nullptr, baseName, "audiofile", 0, nullptr)) { if (CarlaPlugin* const plugin = getPlugin(curPluginId)) plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "file", filename, true); return true; } return false; } // ------------------------------------------------------------------- if (extension == "mid" || extension == "midi") { if (addPlugin(PLUGIN_INTERNAL, nullptr, baseName, "midifile", 0, nullptr)) { if (CarlaPlugin* const plugin = getPlugin(curPluginId)) plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "file", filename, true); return true; } return false; } // ------------------------------------------------------------------- // ZynAddSubFX if (extension == "xmz" || extension == "xiz") { #ifdef HAVE_ZYN_DEPS CarlaString nicerName("Zyn - "); const std::size_t sep(baseName.find('-')+1); if (sep < baseName.length()) nicerName += baseName.buffer()+sep; else nicerName += baseName; //nicerName if (addPlugin(PLUGIN_INTERNAL, nullptr, nicerName, "zynaddsubfx", 0, nullptr)) { callback(ENGINE_CALLBACK_UI_STATE_CHANGED, curPluginId, 0, 0, 0.0f, nullptr); if (CarlaPlugin* const plugin = getPlugin(curPluginId)) plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, (extension == "xmz") ? "CarlaAlternateFile1" : "CarlaAlternateFile2", filename, true); return true; } return false; #else setLastError("This Carla build does not have ZynAddSubFX support"); return false; #endif } // ------------------------------------------------------------------- // Direct plugin binaries #ifdef CARLA_OS_MAC if (extension == "vst") return addPlugin(PLUGIN_VST2, filename, nullptr, nullptr, 0, nullptr); #else if (extension == "dll" || extension == "so") return addPlugin(getBinaryTypeFromFile(filename), PLUGIN_VST2, filename, nullptr, nullptr, 0, nullptr, 0x0); #endif // ------------------------------------------------------------------- setLastError("Unknown file extension"); return false; } bool CarlaEngine::loadProject(const char* const filename) { CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish"); CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename"); carla_debug("CarlaEngine::loadProject(\"%s\")", filename); const String jfilename = String(CharPointer_UTF8(filename)); File file(jfilename); CARLA_SAFE_ASSERT_RETURN_ERR(file.existsAsFile(), "Requested file does not exist or is not a readable file"); XmlDocument xml(file); return loadProjectInternal(xml); } bool CarlaEngine::saveProject(const char* const filename) { CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename"); carla_debug("CarlaEngine::saveProject(\"%s\")", filename); MemoryOutputStream out; saveProjectInternal(out); const String jfilename = String(CharPointer_UTF8(filename)); File file(jfilename); if (file.replaceWithData(out.getData(), out.getDataSize())) return true; setLastError("Failed to write file"); return false; } // ----------------------------------------------------------------------- // Information (base) uint CarlaEngine::getHints() const noexcept { return pData->hints; } uint32_t CarlaEngine::getBufferSize() const noexcept { return pData->bufferSize; } double CarlaEngine::getSampleRate() const noexcept { return pData->sampleRate; } const char* CarlaEngine::getName() const noexcept { return pData->name; } EngineProcessMode CarlaEngine::getProccessMode() const noexcept { return pData->options.processMode; } const EngineOptions& CarlaEngine::getOptions() const noexcept { return pData->options; } const EngineTimeInfo& CarlaEngine::getTimeInfo() const noexcept { return pData->timeInfo; } // ----------------------------------------------------------------------- // Information (peaks) float CarlaEngine::getInputPeak(const uint pluginId, const bool isLeft) const noexcept { if (pluginId == MAIN_CARLA_PLUGIN_ID) { // get peak from first plugin, if available if (pData->curPluginCount > 0) return pData->plugins[0].insPeak[isLeft ? 0 : 1]; return 0.0f; } CARLA_SAFE_ASSERT_RETURN(pluginId < pData->curPluginCount, 0.0f); return pData->plugins[pluginId].insPeak[isLeft ? 0 : 1]; } float CarlaEngine::getOutputPeak(const uint pluginId, const bool isLeft) const noexcept { if (pluginId == MAIN_CARLA_PLUGIN_ID) { // get peak from last plugin, if available if (pData->curPluginCount > 0) return pData->plugins[pData->curPluginCount-1].outsPeak[isLeft ? 0 : 1]; return 0.0f; } CARLA_SAFE_ASSERT_RETURN(pluginId < pData->curPluginCount, 0.0f); return pData->plugins[pluginId].outsPeak[isLeft ? 0 : 1]; } // ----------------------------------------------------------------------- // Callback void CarlaEngine::callback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr) noexcept { #ifdef DEBUG if (action != ENGINE_CALLBACK_IDLE) carla_debug("CarlaEngine::callback(%i:%s, %i, %i, %i, %f, \"%s\")", action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3, valueStr); #endif #ifdef BUILD_BRIDGE if (pData->isIdling) #else if (pData->isIdling && action != ENGINE_CALLBACK_PATCHBAY_CLIENT_DATA_CHANGED) #endif { carla_stdout("callback while idling (%i:%s, %i, %i, %i, %f, \"%s\")", action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3, valueStr); } if (pData->callback != nullptr) { if (action == ENGINE_CALLBACK_IDLE) ++pData->isIdling; try { pData->callback(pData->callbackPtr, action, pluginId, value1, value2, value3, valueStr); #if defined(CARLA_OS_LINUX) && defined(__arm__) } catch (__cxxabiv1::__forced_unwind&) { carla_stderr2("Caught forced unwind exception in callback"); throw; #endif } catch (...) { carla_safe_exception("callback", __FILE__, __LINE__); } if (action == ENGINE_CALLBACK_IDLE) --pData->isIdling; } } void CarlaEngine::setCallback(const EngineCallbackFunc func, void* const ptr) noexcept { carla_debug("CarlaEngine::setCallback(%p, %p)", func, ptr); pData->callback = func; pData->callbackPtr = ptr; } // ----------------------------------------------------------------------- // File Callback const char* CarlaEngine::runFileCallback(const FileCallbackOpcode action, const bool isDir, const char* const title, const char* const filter) noexcept { CARLA_SAFE_ASSERT_RETURN(title != nullptr && title[0] != '\0', nullptr); CARLA_SAFE_ASSERT_RETURN(filter != nullptr, nullptr); carla_debug("CarlaEngine::runFileCallback(%i:%s, %s, \"%s\", \"%s\")", action, FileCallbackOpcode2Str(action), bool2str(isDir), title, filter); const char* ret = nullptr; if (pData->fileCallback != nullptr) { try { ret = pData->fileCallback(pData->fileCallbackPtr, action, isDir, title, filter); } CARLA_SAFE_EXCEPTION("runFileCallback"); } return ret; } void CarlaEngine::setFileCallback(const FileCallbackFunc func, void* const ptr) noexcept { carla_debug("CarlaEngine::setFileCallback(%p, %p)", func, ptr); pData->fileCallback = func; pData->fileCallbackPtr = ptr; } // ----------------------------------------------------------------------- // Transport void CarlaEngine::transportPlay() noexcept { pData->timeInfo.playing = true; pData->time.setNeedsReset(); } void CarlaEngine::transportPause() noexcept { if (pData->timeInfo.playing) pData->time.pause(); else pData->time.setNeedsReset(); } void CarlaEngine::transportBPM(const double bpm) noexcept { try { pData->time.setBPM(bpm); } CARLA_SAFE_EXCEPTION("CarlaEngine::transportBPM"); } void CarlaEngine::transportRelocate(const uint64_t frame) noexcept { pData->time.relocate(frame); } // ----------------------------------------------------------------------- // Error handling const char* CarlaEngine::getLastError() const noexcept { return pData->lastError; } void CarlaEngine::setLastError(const char* const error) const noexcept { pData->lastError = error; } // ----------------------------------------------------------------------- // Misc bool CarlaEngine::isAboutToClose() const noexcept { return pData->aboutToClose; } bool CarlaEngine::setAboutToClose() noexcept { carla_debug("CarlaEngine::setAboutToClose()"); pData->aboutToClose = true; return (pData->isIdling == 0); } // ----------------------------------------------------------------------- // Global options void CarlaEngine::setOption(const EngineOption option, const int value, const char* const valueStr) noexcept { carla_debug("CarlaEngine::setOption(%i:%s, %i, \"%s\")", option, EngineOption2Str(option), value, valueStr); if (isRunning()) { switch (option) { case ENGINE_OPTION_PROCESS_MODE: case ENGINE_OPTION_AUDIO_TRIPLE_BUFFER: case ENGINE_OPTION_AUDIO_DEVICE: return carla_stderr("CarlaEngine::setOption(%i:%s, %i, \"%s\") - Cannot set this option while engine is running!", option, EngineOption2Str(option), value, valueStr); default: break; } } // do not un-force stereo for rack mode if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && option == ENGINE_OPTION_FORCE_STEREO && value != 0) return; switch (option) { case ENGINE_OPTION_DEBUG: break; case ENGINE_OPTION_PROCESS_MODE: CARLA_SAFE_ASSERT_RETURN(value >= ENGINE_PROCESS_MODE_SINGLE_CLIENT && value <= ENGINE_PROCESS_MODE_BRIDGE,); pData->options.processMode = static_cast(value); break; case ENGINE_OPTION_TRANSPORT_MODE: CARLA_SAFE_ASSERT_RETURN(value >= ENGINE_TRANSPORT_MODE_DISABLED && value <= ENGINE_TRANSPORT_MODE_BRIDGE,); CARLA_SAFE_ASSERT_RETURN(getType() == kEngineTypeJack || value != ENGINE_TRANSPORT_MODE_JACK,); pData->options.transportMode = static_cast(value); delete[] pData->options.transportExtra; if (value >= ENGINE_TRANSPORT_MODE_DISABLED && valueStr != nullptr) pData->options.transportExtra = carla_strdup_safe(valueStr); else pData->options.transportExtra = nullptr; pData->time.setNeedsReset(); #if defined(HAVE_HYLIA) && !defined(BUILD_BRIDGE) // enable link now if needed { const bool linkEnabled = pData->options.transportExtra != nullptr && std::strstr(pData->options.transportExtra, ":link:") != nullptr; pData->time.enableLink(linkEnabled); } #endif break; case ENGINE_OPTION_FORCE_STEREO: CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,); pData->options.forceStereo = (value != 0); break; case ENGINE_OPTION_PREFER_PLUGIN_BRIDGES: #ifdef BUILD_BRIDGE CARLA_SAFE_ASSERT_RETURN(value == 0,); #else CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,); #endif pData->options.preferPluginBridges = (value != 0); break; case ENGINE_OPTION_PREFER_UI_BRIDGES: CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,); pData->options.preferUiBridges = (value != 0); break; case ENGINE_OPTION_UIS_ALWAYS_ON_TOP: CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,); pData->options.uisAlwaysOnTop = (value != 0); break; case ENGINE_OPTION_MAX_PARAMETERS: CARLA_SAFE_ASSERT_RETURN(value >= 0,); pData->options.maxParameters = static_cast(value); break; case ENGINE_OPTION_UI_BRIDGES_TIMEOUT: CARLA_SAFE_ASSERT_RETURN(value >= 0,); pData->options.uiBridgesTimeout = static_cast(value); break; case ENGINE_OPTION_AUDIO_BUFFER_SIZE: CARLA_SAFE_ASSERT_RETURN(value >= 8,); pData->options.audioBufferSize = static_cast(value); break; case ENGINE_OPTION_AUDIO_SAMPLE_RATE: CARLA_SAFE_ASSERT_RETURN(value >= 22050,); pData->options.audioSampleRate = static_cast(value); break; case ENGINE_OPTION_AUDIO_TRIPLE_BUFFER: CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,); pData->options.audioTripleBuffer = (value != 0); break; case ENGINE_OPTION_AUDIO_DEVICE: CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,); if (pData->options.audioDevice != nullptr) delete[] pData->options.audioDevice; pData->options.audioDevice = carla_strdup_safe(valueStr); break; case ENGINE_OPTION_PLUGIN_PATH: CARLA_SAFE_ASSERT_RETURN(value > PLUGIN_NONE,); CARLA_SAFE_ASSERT_RETURN(value <= PLUGIN_SFZ,); switch (value) { case PLUGIN_LADSPA: if (pData->options.pathLADSPA != nullptr) delete[] pData->options.pathLADSPA; if (valueStr != nullptr) pData->options.pathLADSPA = carla_strdup_safe(valueStr); else pData->options.pathLADSPA = nullptr; break; case PLUGIN_DSSI: if (pData->options.pathDSSI != nullptr) delete[] pData->options.pathDSSI; if (valueStr != nullptr) pData->options.pathDSSI = carla_strdup_safe(valueStr); else pData->options.pathDSSI = nullptr; break; case PLUGIN_LV2: if (pData->options.pathLV2 != nullptr) delete[] pData->options.pathLV2; if (valueStr != nullptr) pData->options.pathLV2 = carla_strdup_safe(valueStr); else pData->options.pathLV2 = nullptr; break; case PLUGIN_VST2: if (pData->options.pathVST2 != nullptr) delete[] pData->options.pathVST2; if (valueStr != nullptr) pData->options.pathVST2 = carla_strdup_safe(valueStr); else pData->options.pathVST2 = nullptr; break; case PLUGIN_SF2: if (pData->options.pathSF2 != nullptr) delete[] pData->options.pathSF2; if (valueStr != nullptr) pData->options.pathSF2 = carla_strdup_safe(valueStr); else pData->options.pathSF2 = nullptr; break; case PLUGIN_SFZ: if (pData->options.pathSFZ != nullptr) delete[] pData->options.pathSFZ; if (valueStr != nullptr) pData->options.pathSFZ = carla_strdup_safe(valueStr); else pData->options.pathSFZ = nullptr; break; default: return carla_stderr("CarlaEngine::setOption(%i:%s, %i, \"%s\") - Invalid plugin type", option, EngineOption2Str(option), value, valueStr); break; } break; case ENGINE_OPTION_PATH_BINARIES: CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',); if (pData->options.binaryDir != nullptr) delete[] pData->options.binaryDir; pData->options.binaryDir = carla_strdup_safe(valueStr); break; case ENGINE_OPTION_PATH_RESOURCES: CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',); if (pData->options.resourceDir != nullptr) delete[] pData->options.resourceDir; pData->options.resourceDir = carla_strdup_safe(valueStr); break; case ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR: { CARLA_SAFE_ASSERT_RETURN(pData->options.binaryDir != nullptr && pData->options.binaryDir[0] != '\0',); #ifdef CARLA_OS_LINUX const ScopedEngineEnvironmentLocker _seel(this); if (value != 0) { CarlaString interposerPath(CarlaString(pData->options.binaryDir) + "/libcarla_interposer-safe.so"); ::setenv("LD_PRELOAD", interposerPath.buffer(), 1); } else { ::unsetenv("LD_PRELOAD"); } #endif } break; case ENGINE_OPTION_FRONTEND_WIN_ID: { CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',); const long long winId(std::strtoll(valueStr, nullptr, 16)); CARLA_SAFE_ASSERT_RETURN(winId >= 0,); pData->options.frontendWinId = static_cast(winId); } break; #ifndef CARLA_OS_WIN case ENGINE_OPTION_WINE_EXECUTABLE: CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',); if (pData->options.wine.executable != nullptr) delete[] pData->options.wine.executable; pData->options.wine.executable = carla_strdup_safe(valueStr); break; case ENGINE_OPTION_WINE_AUTO_PREFIX: CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,); pData->options.wine.autoPrefix = (value != 0); break; case ENGINE_OPTION_WINE_FALLBACK_PREFIX: CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',); if (pData->options.wine.fallbackPrefix != nullptr) delete[] pData->options.wine.fallbackPrefix; pData->options.wine.fallbackPrefix = carla_strdup_safe(valueStr); break; case ENGINE_OPTION_WINE_RT_PRIO_ENABLED: CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,); pData->options.wine.rtPrio = (value != 0); break; case ENGINE_OPTION_WINE_BASE_RT_PRIO: CARLA_SAFE_ASSERT_RETURN(value >= 1 && value <= 89,); pData->options.wine.baseRtPrio = value; break; case ENGINE_OPTION_WINE_SERVER_RT_PRIO: CARLA_SAFE_ASSERT_RETURN(value >= 1 && value <= 99,); pData->options.wine.serverRtPrio = value; break; #endif case ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT: break; } } #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) // ----------------------------------------------------------------------- // OSC Stuff # ifndef BUILD_BRIDGE bool CarlaEngine::isOscControlRegistered() const noexcept { return pData->osc.isControlRegistered(); } # endif void CarlaEngine::idleOsc() const noexcept { pData->osc.idle(); } const char* CarlaEngine::getOscServerPathTCP() const noexcept { return pData->osc.getServerPathTCP(); } const char* CarlaEngine::getOscServerPathUDP() const noexcept { return pData->osc.getServerPathUDP(); } #endif // ----------------------------------------------------------------------- // Helper functions EngineEvent* CarlaEngine::getInternalEventBuffer(const bool isInput) const noexcept { return isInput ? pData->events.in : pData->events.out; } // ----------------------------------------------------------------------- // Internal stuff void CarlaEngine::bufferSizeChanged(const uint32_t newBufferSize) { carla_debug("CarlaEngine::bufferSizeChanged(%i)", newBufferSize); #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { pData->graph.setBufferSize(newBufferSize); } #endif pData->time.updateAudioValues(newBufferSize, pData->sampleRate); for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled()) plugin->bufferSizeChanged(newBufferSize); } callback(ENGINE_CALLBACK_BUFFER_SIZE_CHANGED, 0, static_cast(newBufferSize), 0, 0.0f, nullptr); } void CarlaEngine::sampleRateChanged(const double newSampleRate) { carla_debug("CarlaEngine::sampleRateChanged(%g)", newSampleRate); #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { pData->graph.setSampleRate(newSampleRate); } #endif pData->time.updateAudioValues(pData->bufferSize, newSampleRate); for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled()) plugin->sampleRateChanged(newSampleRate); } callback(ENGINE_CALLBACK_SAMPLE_RATE_CHANGED, 0, 0, 0, static_cast(newSampleRate), nullptr); } void CarlaEngine::offlineModeChanged(const bool isOfflineNow) { carla_debug("CarlaEngine::offlineModeChanged(%s)", bool2str(isOfflineNow)); #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { pData->graph.setOffline(isOfflineNow); } #endif for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled()) plugin->offlineModeChanged(isOfflineNow); } } void CarlaEngine::setPluginPeaks(const uint pluginId, float const inPeaks[2], float const outPeaks[2]) noexcept { EnginePluginData& pluginData(pData->plugins[pluginId]); pluginData.insPeak[0] = inPeaks[0]; pluginData.insPeak[1] = inPeaks[1]; pluginData.outsPeak[0] = outPeaks[0]; pluginData.outsPeak[1] = outPeaks[1]; } void CarlaEngine::saveProjectInternal(water::MemoryOutputStream& outStream) const { // send initial prepareForSave first, giving time for bridges to act for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled()) { #ifndef BUILD_BRIDGE // deactivate bridge client-side ping check, since some plugins block during save if (plugin->getHints() & PLUGIN_IS_BRIDGE) plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "false", false); #endif plugin->prepareForSave(); } } outStream << "\n"; outStream << "\n"; outStream << "\n"; const bool isPlugin(getType() == kEngineTypePlugin); const EngineOptions& options(pData->options); { MemoryOutputStream outSettings(1024); outSettings << " \n"; outSettings << " " << bool2str(options.forceStereo) << "\n"; outSettings << " " << bool2str(options.preferPluginBridges) << "\n"; outSettings << " " << bool2str(options.preferUiBridges) << "\n"; outSettings << " " << bool2str(options.uisAlwaysOnTop) << "\n"; outSettings << " " << String(options.maxParameters) << "\n"; outSettings << " " << String(options.uiBridgesTimeout) << "\n"; if (isPlugin) { outSettings << " " << xmlSafeString(options.pathLADSPA, true) << "\n"; outSettings << " " << xmlSafeString(options.pathDSSI, true) << "\n"; outSettings << " " << xmlSafeString(options.pathLV2, true) << "\n"; outSettings << " " << xmlSafeString(options.pathVST2, true) << "\n"; outSettings << " " << xmlSafeString(options.pathSF2, true) << "\n"; outSettings << " " << xmlSafeString(options.pathSFZ, true) << "\n"; } outSettings << " \n"; outStream << outSettings; } if (pData->timeInfo.bbt.valid && ! isPlugin) { MemoryOutputStream outTransport(128); outTransport << "\n \n"; // outTransport << " " << pData->timeInfo.bbt.beatsPerBar << "\n"; outTransport << " " << pData->timeInfo.bbt.beatsPerMinute << "\n"; outTransport << " \n"; outStream << outTransport; } char strBuf[STR_MAX+1]; for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled()) { MemoryOutputStream outPlugin(4096), streamPlugin; plugin->getStateSave(false).dumpToMemoryStream(streamPlugin); outPlugin << "\n"; strBuf[0] = '\0'; plugin->getRealName(strBuf); if (strBuf[0] != '\0') outPlugin << " \n"; outPlugin << " \n"; outPlugin << streamPlugin; outPlugin << " \n"; outStream << outPlugin; } } #ifndef BUILD_BRIDGE // tell bridges we're done saving for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled() && (plugin->getHints() & PLUGIN_IS_BRIDGE) != 0) plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "true", false); } // save internal connections if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { if (const char* const* const patchbayConns = getPatchbayConnections(false)) { MemoryOutputStream outPatchbay(2048); outPatchbay << "\n \n"; for (int i=0; patchbayConns[i] != nullptr && patchbayConns[i+1] != nullptr; ++i, ++i ) { const char* const connSource(patchbayConns[i]); const char* const connTarget(patchbayConns[i+1]); CARLA_SAFE_ASSERT_CONTINUE(connSource != nullptr && connSource[0] != '\0'); CARLA_SAFE_ASSERT_CONTINUE(connTarget != nullptr && connTarget[0] != '\0'); outPatchbay << " \n"; outPatchbay << " " << xmlSafeString(connSource, true) << "\n"; outPatchbay << " " << xmlSafeString(connTarget, true) << "\n"; outPatchbay << " \n"; } outPatchbay << " \n"; outStream << outPatchbay; } } // if we're running inside some session-manager (and using JACK), let them handle the connections bool saveExternalConnections; /**/ if (isPlugin) saveExternalConnections = false; else if (std::strcmp(getCurrentDriverName(), "JACK") != 0) saveExternalConnections = true; else if (std::getenv("CARLA_DONT_MANAGE_CONNECTIONS") != nullptr) saveExternalConnections = false; else if (std::getenv("LADISH_APP_NAME") != nullptr) saveExternalConnections = false; else if (std::getenv("NSM_URL") != nullptr) saveExternalConnections = false; else saveExternalConnections = true; if (saveExternalConnections) { if (const char* const* const patchbayConns = getPatchbayConnections(true)) { MemoryOutputStream outPatchbay(2048); outPatchbay << "\n \n"; for (int i=0; patchbayConns[i] != nullptr && patchbayConns[i+1] != nullptr; ++i, ++i ) { const char* const connSource(patchbayConns[i]); const char* const connTarget(patchbayConns[i+1]); CARLA_SAFE_ASSERT_CONTINUE(connSource != nullptr && connSource[0] != '\0'); CARLA_SAFE_ASSERT_CONTINUE(connTarget != nullptr && connTarget[0] != '\0'); outPatchbay << " \n"; outPatchbay << " " << xmlSafeString(connSource, true) << "\n"; outPatchbay << " " << xmlSafeString(connTarget, true) << "\n"; outPatchbay << " \n"; } outPatchbay << " \n"; outStream << outPatchbay; } } #endif outStream << "\n"; } static String findBinaryInCustomPath(const char* const searchPath, const char* const binary) { const StringArray searchPaths(StringArray::fromTokens(searchPath, CARLA_OS_SPLIT_STR, "")); // try direct filename first String jbinary(binary); // adjust for current platform #ifdef CARLA_OS_WIN if (jbinary[0] == '/') jbinary = "C:" + jbinary.replaceCharacter('/', '\\'); #else if (jbinary[1] == ':' && (jbinary[2] == '\\' || jbinary[2] == '/')) jbinary = jbinary.substring(2).replaceCharacter('\\', '/'); #endif String filename = File(jbinary).getFileName(); int searchFlags = File::findFiles|File::ignoreHiddenFiles; #ifdef CARLA_OS_MAC if (filename.endsWithIgnoreCase(".vst")) searchFlags |= File::findDirectories; #endif Array results; for (const String *it=searchPaths.begin(), *end=searchPaths.end(); it != end; ++it) { const File path(*it); results.clear(); path.findChildFiles(results, searchFlags, true, filename); if (results.size() > 0) return results.getFirst().getFullPathName(); } // try changing extension #if defined(CARLA_OS_MAC) if (filename.endsWithIgnoreCase(".dll") || filename.endsWithIgnoreCase(".so")) filename = File(jbinary).getFileNameWithoutExtension() + ".dylib"; #elif defined(CARLA_OS_WIN) if (filename.endsWithIgnoreCase(".dylib") || filename.endsWithIgnoreCase(".so")) filename = File(jbinary).getFileNameWithoutExtension() + ".dll"; #else if (filename.endsWithIgnoreCase(".dll") || filename.endsWithIgnoreCase(".dylib")) filename = File(jbinary).getFileNameWithoutExtension() + ".so"; #endif else return String(); for (const String *it=searchPaths.begin(), *end=searchPaths.end(); it != end; ++it) { const File path(*it); results.clear(); path.findChildFiles(results, searchFlags, true, filename); if (results.size() > 0) return results.getFirst().getFullPathName(); } return String(); } bool CarlaEngine::loadProjectInternal(water::XmlDocument& xmlDoc) { ScopedPointer xmlElement(xmlDoc.getDocumentElement(true)); CARLA_SAFE_ASSERT_RETURN_ERR(xmlElement != nullptr, "Failed to parse project file"); const String& xmlType(xmlElement->getTagName()); const bool isPreset(xmlType.equalsIgnoreCase("carla-preset")); if (! (xmlType.equalsIgnoreCase("carla-project") || isPreset)) { callback(ENGINE_CALLBACK_PROJECT_LOAD_FINISHED, 0, 0, 0, 0.0f, nullptr); setLastError("Not a valid Carla project or preset file"); return false; } #ifndef BUILD_BRIDGE const ScopedValueSetter _svs(pData->loadingProject, true, false); #endif // completely load file xmlElement = xmlDoc.getDocumentElement(false); CARLA_SAFE_ASSERT_RETURN_ERR(xmlElement != nullptr, "Failed to completely parse project file"); if (pData->aboutToClose) return true; const bool isPlugin(getType() == kEngineTypePlugin); // load engine settings first of all if (XmlElement* const elem = isPreset ? nullptr : xmlElement->getChildByName("EngineSettings")) { for (XmlElement* settElem = elem->getFirstChildElement(); settElem != nullptr; settElem = settElem->getNextElement()) { const String& tag(settElem->getTagName()); const String text(settElem->getAllSubText().trim()); /** some settings might be incorrect or require extra work, so we call setOption rather than modifying them direly */ int option = -1; int value = 0; const char* valueStr = nullptr; /**/ if (tag == "ForceStereo") { option = ENGINE_OPTION_FORCE_STEREO; value = text == "true" ? 1 : 0; } else if (tag == "PreferPluginBridges") { option = ENGINE_OPTION_PREFER_PLUGIN_BRIDGES; value = text == "true" ? 1 : 0; } else if (tag == "PreferUiBridges") { option = ENGINE_OPTION_PREFER_UI_BRIDGES; value = text == "true" ? 1 : 0; } else if (tag == "UIsAlwaysOnTop") { option = ENGINE_OPTION_UIS_ALWAYS_ON_TOP; value = text == "true" ? 1 : 0; } else if (tag == "MaxParameters") { option = ENGINE_OPTION_MAX_PARAMETERS; value = text.getIntValue(); } else if (tag == "UIBridgesTimeout") { option = ENGINE_OPTION_UI_BRIDGES_TIMEOUT; value = text.getIntValue(); } else if (isPlugin) { /**/ if (tag == "LADSPA_PATH") { option = ENGINE_OPTION_PLUGIN_PATH; value = PLUGIN_LADSPA; valueStr = text.toRawUTF8(); } else if (tag == "DSSI_PATH") { option = ENGINE_OPTION_PLUGIN_PATH; value = PLUGIN_DSSI; valueStr = text.toRawUTF8(); } else if (tag == "LV2_PATH") { option = ENGINE_OPTION_PLUGIN_PATH; value = PLUGIN_LV2; valueStr = text.toRawUTF8(); } else if (tag == "VST2_PATH") { option = ENGINE_OPTION_PLUGIN_PATH; value = PLUGIN_VST2; valueStr = text.toRawUTF8(); } else if (tag == "SF2_PATH") { option = ENGINE_OPTION_PLUGIN_PATH; value = PLUGIN_SF2; valueStr = text.toRawUTF8(); } else if (tag == "SFZ_PATH") { option = ENGINE_OPTION_PLUGIN_PATH; value = PLUGIN_SFZ; valueStr = text.toRawUTF8(); } } CARLA_SAFE_ASSERT_CONTINUE(option != -1); setOption(static_cast(option), value, valueStr); } } if (pData->aboutToClose) return true; // now setup transport if (XmlElement* const elem = isPreset || isPlugin ? nullptr : xmlElement->getChildByName("Transport")) { if (XmlElement* const bpmElem = elem->getChildByName("BeatsPerMinute")) { const String bpmText(bpmElem->getAllSubText().trim()); const double bpm = bpmText.getDoubleValue(); // some sane limits if (bpm >= 20.0 && bpm < 400.0) pData->time.setBPM(bpm); } } if (pData->aboutToClose) return true; // and we handle plugins for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement()) { const String& tagName(elem->getTagName()); if (isPreset || tagName == "Plugin") { CarlaStateSave stateSave; stateSave.fillFromXmlElement(isPreset ? xmlElement.get() : elem); callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); if (pData->aboutToClose) return true; CARLA_SAFE_ASSERT_CONTINUE(stateSave.type != nullptr); #ifndef BUILD_BRIDGE // compatibility code to load projects with GIG files // FIXME Remove on 2.1 release if (std::strcmp(stateSave.type, "GIG") == 0) { if (addPlugin(PLUGIN_LV2, "", stateSave.name, "http://linuxsampler.org/plugins/linuxsampler", 0, nullptr)) { const uint pluginId = pData->curPluginCount; if (CarlaPlugin* const plugin = pData->plugins[pluginId].plugin) { callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); if (pData->aboutToClose) return true; String lsState; lsState << "0.35\n"; lsState << "18 0 Chromatic\n"; lsState << "18 1 Drum Kits\n"; lsState << "20 0\n"; lsState << "0 1 " << stateSave.binary << "\n"; lsState << "0 0 0 0 1 0 GIG\n"; plugin->setCustomData(LV2_ATOM__String, "http://linuxsampler.org/schema#state-string", lsState.toRawUTF8(), true); plugin->restoreLV2State(); plugin->setDryWet(stateSave.dryWet, true, true); plugin->setVolume(stateSave.volume, true, true); plugin->setBalanceLeft(stateSave.balanceLeft, true, true); plugin->setBalanceRight(stateSave.balanceRight, true, true); plugin->setPanning(stateSave.panning, true, true); plugin->setCtrlChannel(stateSave.ctrlChannel, true, true); plugin->setActive(stateSave.active, true, true); ++pData->curPluginCount; plugin->setEnabled(true); callback(ENGINE_CALLBACK_PLUGIN_ADDED, pluginId, 0, 0, 0.0f, plugin->getName()); if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.addPlugin(plugin); } else { carla_stderr2("Failed to get new plugin, state will not be restored correctly\n"); } } else { carla_stderr2("Failed to load a linuxsampler LV2 plugin, GIG file won't be loaded"); } continue; } #endif const void* extraStuff = nullptr; static const char kTrue[] = "true"; const PluginType ptype(getPluginTypeFromString(stateSave.type)); switch (ptype) { case PLUGIN_SF2: if (CarlaString(stateSave.label).endsWith(" (16 outs)")) extraStuff = kTrue; // fall through case PLUGIN_LADSPA: case PLUGIN_DSSI: case PLUGIN_VST2: case PLUGIN_SFZ: if (stateSave.binary != nullptr && stateSave.binary[0] != '\0' && ! (File::isAbsolutePath(stateSave.binary) && File(stateSave.binary).exists())) { const char* searchPath; switch (ptype) { case PLUGIN_LADSPA: searchPath = pData->options.pathLADSPA; break; case PLUGIN_DSSI: searchPath = pData->options.pathDSSI; break; case PLUGIN_VST2: searchPath = pData->options.pathVST2; break; case PLUGIN_SF2: searchPath = pData->options.pathSF2; break; case PLUGIN_SFZ: searchPath = pData->options.pathSFZ; break; default: searchPath = nullptr; break; } if (searchPath != nullptr && searchPath[0] != '\0') { carla_stderr("Plugin binary '%s' doesn't exist on this filesystem, let's look for it...", stateSave.binary); String result = findBinaryInCustomPath(searchPath, stateSave.binary); if (result.isEmpty()) { switch (ptype) { case PLUGIN_LADSPA: searchPath = std::getenv("LADSPA_PATH"); break; case PLUGIN_DSSI: searchPath = std::getenv("DSSI_PATH"); break; case PLUGIN_VST2: searchPath = std::getenv("VST_PATH"); break; case PLUGIN_SF2: searchPath = std::getenv("SF2_PATH"); break; case PLUGIN_SFZ: searchPath = std::getenv("SFZ_PATH"); break; default: searchPath = nullptr; break; } if (searchPath != nullptr && searchPath[0] != '\0') result = findBinaryInCustomPath(searchPath, stateSave.binary); } if (result.isNotEmpty()) { delete[] stateSave.binary; stateSave.binary = carla_strdup(result.toRawUTF8()); carla_stderr("Found it! :)"); } else { carla_stderr("Damn, we failed... :("); } } } break; default: break; } if (addPlugin(getBinaryTypeFromFile(stateSave.binary), ptype, stateSave.binary, stateSave.name, stateSave.label, stateSave.uniqueId, extraStuff, stateSave.options)) { #ifndef BUILD_BRIDGE const uint pluginId = pData->curPluginCount; #else const uint pluginId = 0; #endif if (CarlaPlugin* const plugin = pData->plugins[pluginId].plugin) { callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); if (pData->aboutToClose) return true; // deactivate bridge client-side ping check, since some plugins block during load if ((plugin->getHints() & PLUGIN_IS_BRIDGE) != 0 && ! isPreset) plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "false", false); plugin->loadStateSave(stateSave); /* NOTE: The following code is the same as the end of addPlugin(). * When project is loading we do not enable the plugin right away, * as we want to load state first. */ #ifdef BUILD_BRIDGE plugin->setActive(true, true, false); #else ++pData->curPluginCount; #endif plugin->setEnabled(true); callback(ENGINE_CALLBACK_PLUGIN_ADDED, pluginId, 0, 0, 0.0f, plugin->getName()); #ifndef BUILD_BRIDGE if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) pData->graph.addPlugin(plugin); #endif } else { carla_stderr2("Failed to get new plugin, state will not be restored correctly\n"); } } else { carla_stderr2("Failed to load a plugin, error was:\n%s", getLastError()); } } if (isPreset) return true; } #ifndef BUILD_BRIDGE // tell bridges we're done loading for (uint i=0; i < pData->curPluginCount; ++i) { CarlaPlugin* const plugin(pData->plugins[i].plugin); if (plugin != nullptr && plugin->isEnabled() && (plugin->getHints() & PLUGIN_IS_BRIDGE) != 0) plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "true", false); } callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); if (pData->aboutToClose) return true; // and now we handle connections (internal) if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) { const bool isUsingExternal(pData->graph.isUsingExternal()); if (XmlElement* const elem = xmlElement->getChildByName("Patchbay")) { CarlaString sourcePort, targetPort; for (XmlElement* patchElem = elem->getFirstChildElement(); patchElem != nullptr; patchElem = patchElem->getNextElement()) { const String& patchTag(patchElem->getTagName()); if (patchTag != "Connection") continue; sourcePort.clear(); targetPort.clear(); for (XmlElement* connElem = patchElem->getFirstChildElement(); connElem != nullptr; connElem = connElem->getNextElement()) { const String& tag(connElem->getTagName()); const String text(connElem->getAllSubText().trim()); /**/ if (tag == "Source") sourcePort = xmlSafeString(text, false).toRawUTF8(); else if (tag == "Target") targetPort = xmlSafeString(text, false).toRawUTF8(); } if (sourcePort.isNotEmpty() && targetPort.isNotEmpty()) restorePatchbayConnection(false, sourcePort, targetPort, !isUsingExternal); } } callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr); if (pData->aboutToClose) return true; } // if we're running inside some session-manager (and using JACK), let them handle the external connections bool loadExternalConnections; /**/ if (isPlugin) loadExternalConnections = false; else if (std::strcmp(getCurrentDriverName(), "JACK") != 0) loadExternalConnections = true; else if (std::getenv("CARLA_DONT_MANAGE_CONNECTIONS") != nullptr) loadExternalConnections = false; else if (std::getenv("LADISH_APP_NAME") != nullptr) loadExternalConnections = false; else if (std::getenv("NSM_URL") != nullptr) loadExternalConnections = false; else loadExternalConnections = true; // plus external connections too if (loadExternalConnections) { const bool isUsingExternal(pData->options.processMode != ENGINE_PROCESS_MODE_PATCHBAY || pData->graph.isUsingExternal()); for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement()) { const String& tagName(elem->getTagName()); // check if we want to load patchbay-mode connections into an external (multi-client) graph if (tagName == "Patchbay") { if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY) continue; } // or load external patchbay connections else if (tagName != "ExternalPatchbay") { continue; } CarlaString sourcePort, targetPort; for (XmlElement* patchElem = elem->getFirstChildElement(); patchElem != nullptr; patchElem = patchElem->getNextElement()) { const String& patchTag(patchElem->getTagName()); if (patchTag != "Connection") continue; sourcePort.clear(); targetPort.clear(); for (XmlElement* connElem = patchElem->getFirstChildElement(); connElem != nullptr; connElem = connElem->getNextElement()) { const String& tag(connElem->getTagName()); const String text(connElem->getAllSubText().trim()); /**/ if (tag == "Source") sourcePort = xmlSafeString(text, false).toRawUTF8(); else if (tag == "Target") targetPort = xmlSafeString(text, false).toRawUTF8(); } if (sourcePort.isNotEmpty() && targetPort.isNotEmpty()) restorePatchbayConnection(true, sourcePort, targetPort, isUsingExternal); } break; } } #endif callback(ENGINE_CALLBACK_PROJECT_LOAD_FINISHED, 0, 0, 0, 0.0f, nullptr); return true; } // ----------------------------------------------------------------------- CARLA_BACKEND_END_NAMESPACE