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- /*
- * Carla Plugin Host
- * Copyright (C) 2011-2018 Filipe Coelho <falktx@falktx.com>
- *
- * 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)
- 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_ALTERNATIVE_ARCH
- 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_ALTERNATIVE_ARCH
- 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_ALTERNATIVE_ARCH
- 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();
-
- 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;
- }
-
- 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_ALTERNATIVE_ARCH
- 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->setEnabled(true);
-
- ++pData->curPluginCount;
- callback(ENGINE_CALLBACK_PLUGIN_ADDED, id, 0, 0, 0.0f, plugin->getName());
-
- if (getType() != kEngineTypeBridge)
- plugin->setActive(true, false, true);
-
- #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
- if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)
- pData->graph.addPlugin(plugin);
- #endif
- }
-
- #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)
- plugin->registerToOscClient();
- #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_ALTERNATIVE_ARCH
- 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_ALTERNATIVE_ARCH
- 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();
- }
- */
-
- # if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)
- 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_ALTERNATIVE_ARCH
- 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_ALTERNATIVE_ARCH
- if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)
- pData->graph.removeAllPlugins();
-
- # if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)
- 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_ALTERNATIVE_ARCH
- 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_ALTERNATIVE_ARCH
- 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<uint>(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<char>(n3 + 1);
- }
- else
- n2 = static_cast<char>(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;
- }
-
- 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 && action != ENGINE_CALLBACK_NOTE_ON && action != ENGINE_CALLBACK_NOTE_OFF)
- carla_debug("CarlaEngine::callback(%i:%s, %i, %i, %i, %f, \"%s\")", action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3, valueStr);
- #endif
-
- #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH
- 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);
- }
-
- #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
- bool CarlaEngine::isLoadingProject() const noexcept
- {
- return pData->loadingProject;
- }
- #endif
-
- // -----------------------------------------------------------------------
- // 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<EngineProcessMode>(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<EngineTransportMode>(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_ALTERNATIVE_ARCH
- 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<uint>(value);
- break;
-
- case ENGINE_OPTION_UI_BRIDGES_TIMEOUT:
- CARLA_SAFE_ASSERT_RETURN(value >= 0,);
- pData->options.uiBridgesTimeout = static_cast<uint>(value);
- break;
-
- case ENGINE_OPTION_AUDIO_BUFFER_SIZE:
- CARLA_SAFE_ASSERT_RETURN(value >= 8,);
- pData->options.audioBufferSize = static_cast<uint>(value);
- break;
-
- case ENGINE_OPTION_AUDIO_SAMPLE_RATE:
- CARLA_SAFE_ASSERT_RETURN(value >= 22050,);
- pData->options.audioSampleRate = static_cast<uint>(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<uintptr_t>(winId);
- } break;
-
- #if !defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) && !defined(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;
- }
- }
-
- #ifndef BUILD_BRIDGE
- // -----------------------------------------------------------------------
- // OSC Stuff
-
- bool CarlaEngine::isOscControlRegistered() const noexcept
- {
- # ifdef HAVE_LIBLO
- return pData->osc.isControlRegistered();
- # else
- return false;
- # endif
- }
-
- void CarlaEngine::idleOsc() const noexcept
- {
- # ifdef HAVE_LIBLO
- pData->osc.idle();
- # endif
- }
-
- const char* CarlaEngine::getOscServerPathTCP() const noexcept
- {
- # ifdef HAVE_LIBLO
- return pData->osc.getServerPathTCP();
- # else
- return nullptr;
- # endif
- }
-
- const char* CarlaEngine::getOscServerPathUDP() const noexcept
- {
- # ifdef HAVE_LIBLO
- return pData->osc.getServerPathUDP();
- # else
- return nullptr;
- # endif
- }
- #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_ALTERNATIVE_ARCH
- 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<int>(newBufferSize), 0, 0.0f, nullptr);
- }
-
- void CarlaEngine::sampleRateChanged(const double newSampleRate)
- {
- carla_debug("CarlaEngine::sampleRateChanged(%g)", newSampleRate);
-
- #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
- 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<float>(newSampleRate), nullptr);
- }
-
- void CarlaEngine::offlineModeChanged(const bool isOfflineNow)
- {
- carla_debug("CarlaEngine::offlineModeChanged(%s)", bool2str(isOfflineNow));
-
- #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
- 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_ALTERNATIVE_ARCH
- // 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 << "<?xml version='1.0' encoding='UTF-8'?>\n";
- outStream << "<!DOCTYPE CARLA-PROJECT>\n";
- outStream << "<CARLA-PROJECT VERSION='2.0'>\n";
-
- const bool isPlugin(getType() == kEngineTypePlugin);
- const EngineOptions& options(pData->options);
-
- {
- MemoryOutputStream outSettings(1024);
-
- outSettings << " <EngineSettings>\n";
-
- outSettings << " <ForceStereo>" << bool2str(options.forceStereo) << "</ForceStereo>\n";
- outSettings << " <PreferPluginBridges>" << bool2str(options.preferPluginBridges) << "</PreferPluginBridges>\n";
- outSettings << " <PreferUiBridges>" << bool2str(options.preferUiBridges) << "</PreferUiBridges>\n";
- outSettings << " <UIsAlwaysOnTop>" << bool2str(options.uisAlwaysOnTop) << "</UIsAlwaysOnTop>\n";
-
- outSettings << " <MaxParameters>" << String(options.maxParameters) << "</MaxParameters>\n";
- outSettings << " <UIBridgesTimeout>" << String(options.uiBridgesTimeout) << "</UIBridgesTimeout>\n";
-
- if (isPlugin)
- {
- outSettings << " <LADSPA_PATH>" << xmlSafeString(options.pathLADSPA, true) << "</LADSPA_PATH>\n";
- outSettings << " <DSSI_PATH>" << xmlSafeString(options.pathDSSI, true) << "</DSSI_PATH>\n";
- outSettings << " <LV2_PATH>" << xmlSafeString(options.pathLV2, true) << "</LV2_PATH>\n";
- outSettings << " <VST2_PATH>" << xmlSafeString(options.pathVST2, true) << "</VST2_PATH>\n";
- outSettings << " <SF2_PATH>" << xmlSafeString(options.pathSF2, true) << "</SF2_PATH>\n";
- outSettings << " <SFZ_PATH>" << xmlSafeString(options.pathSFZ, true) << "</SFZ_PATH>\n";
- }
-
- outSettings << " </EngineSettings>\n";
- outStream << outSettings;
- }
-
- if (pData->timeInfo.bbt.valid && ! isPlugin)
- {
- MemoryOutputStream outTransport(128);
-
- outTransport << "\n <Transport>\n";
- // outTransport << " <BeatsPerBar>" << pData->timeInfo.bbt.beatsPerBar << "</BeatsPerBar>\n";
- outTransport << " <BeatsPerMinute>" << pData->timeInfo.bbt.beatsPerMinute << "</BeatsPerMinute>\n";
- outTransport << " </Transport>\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 << " <!-- " << xmlSafeString(strBuf, true) << " -->\n";
-
- outPlugin << " <Plugin>\n";
- outPlugin << streamPlugin;
- outPlugin << " </Plugin>\n";
- outStream << outPlugin;
- }
- }
-
- #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
- // 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 <Patchbay>\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 << " <Connection>\n";
- outPatchbay << " <Source>" << xmlSafeString(connSource, true) << "</Source>\n";
- outPatchbay << " <Target>" << xmlSafeString(connTarget, true) << "</Target>\n";
- outPatchbay << " </Connection>\n";
- }
-
- outPatchbay << " </Patchbay>\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 <ExternalPatchbay>\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 << " <Connection>\n";
- outPatchbay << " <Source>" << xmlSafeString(connSource, true) << "</Source>\n";
- outPatchbay << " <Target>" << xmlSafeString(connTarget, true) << "</Target>\n";
- outPatchbay << " </Connection>\n";
- }
-
- outPatchbay << " </ExternalPatchbay>\n";
- outStream << outPatchbay;
- }
- }
- #endif
-
- outStream << "</CARLA-PROJECT>\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<File> 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> 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_ALTERNATIVE_ARCH
- const ScopedValueSetter<bool> _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<EngineOption>(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_ALTERNATIVE_ARCH
- 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.
- */
- plugin->setEnabled(true);
-
- ++pData->curPluginCount;
- callback(ENGINE_CALLBACK_PLUGIN_ADDED, pluginId, 0, 0, 0.0f, plugin->getName());
-
- #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH
- 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_ALTERNATIVE_ARCH
- // 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
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