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Audio plugin host https://kx.studio/carla
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Carla/source/backend/engine/CarlaEngine.cpp

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  1. /*

  2.  * Carla Plugin Host

  3.  * Copyright (C) 2011-2020 Filipe Coelho <falktx@falktx.com>

  4.  *

  5.  * This program is free software; you can redistribute it and/or

  6.  * modify it under the terms of the GNU General Public License as

  7.  * published by the Free Software Foundation; either version 2 of

  8.  * the License, or any later version.

  9.  *

  10.  * This program is distributed in the hope that it will be useful,

  11.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  12.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

  13.  * GNU General Public License for more details.

  14.  *

  15.  * For a full copy of the GNU General Public License see the doc/GPL.txt file.

  16.  */

  17. 

  18. /* TODO:

  19.  * - complete processRack(): carefully add to input, sorted events

  20.  * - implement processPatchbay()

  21.  * - implement oscSend_control_switch_plugins()

  22.  * - something about the peaks?

  23.  */

  24. 

  25. #include "CarlaEngineClient.hpp"

  26. #include "CarlaEngineInit.hpp"

  27. #include "CarlaEngineInternal.hpp"

  28. #include "CarlaPlugin.hpp"

  29. 

  30. #include "CarlaBackendUtils.hpp"

  31. #include "CarlaBinaryUtils.hpp"

  32. #include "CarlaEngineUtils.hpp"

  33. #include "CarlaMathUtils.hpp"

  34. #include "CarlaPipeUtils.hpp"

  35. #include "CarlaProcessUtils.hpp"

  36. #include "CarlaScopeUtils.hpp"

  37. #include "CarlaStateUtils.hpp"

  38. #include "CarlaMIDI.h"

  39. 

  40. #include "jackbridge/JackBridge.hpp"

  41. 

  42. #include "water/files/File.h"

  43. #include "water/streams/MemoryOutputStream.h"

  44. #include "water/xml/XmlDocument.h"

  45. #include "water/xml/XmlElement.h"

  46. 

  47. #ifdef CARLA_OS_MAC

  48. # include "CarlaMacUtils.hpp"

  49. # if defined(CARLA_OS_64BIT) && defined(HAVE_LIBMAGIC) && ! defined(BUILD_BRIDGE_ALTERNATIVE_ARCH)

  50. #  define ADAPT_FOR_APPLE_SILLICON

  51. # endif

  52. #endif

  53. 

  54. #include <map>

  55. 

  56. // FIXME Remove on 2.1 release

  57. #include "lv2/atom.h"

  58. 

  59. using water::Array;

  60. using water::CharPointer_UTF8;

  61. using water::File;

  62. using water::MemoryOutputStream;

  63. using water::String;

  64. using water::StringArray;

  65. using water::XmlDocument;

  66. using water::XmlElement;

  67. 

  68. // #define SFZ_FILES_USING_SFIZZ

  69. 

  70. CARLA_BACKEND_START_NAMESPACE

  71. 

  72. // -----------------------------------------------------------------------

  73. // Carla Engine

  74. 

  75. CarlaEngine::CarlaEngine()

  76.     : pData(new ProtectedData(this))

  77. {

  78.     carla_debug("CarlaEngine::CarlaEngine()");

  79. }

  80. 

  81. CarlaEngine::~CarlaEngine()

  82. {

  83.     carla_debug("CarlaEngine::~CarlaEngine()");

  84. 

  85.     delete pData;

  86. }

  87. 

  88. // -----------------------------------------------------------------------

  89. // Static calls

  90. 

  91. uint CarlaEngine::getDriverCount()

  92. {

  93.     carla_debug("CarlaEngine::getDriverCount()");

  94.     using namespace EngineInit;

  95. 

  96.     uint count = 0;

  97. 

  98.     if (jackbridge_is_ok())

  99.         count += 1;

  100. 

  101. #ifndef BUILD_BRIDGE

  102. # ifdef USING_JUCE_AUDIO_DEVICES

  103.     count += getJuceApiCount();

  104. # else

  105.     count += getRtAudioApiCount();

  106. # endif

  107. #endif

  108. 

  109.     return count;

  110. }

  111. 

  112. const char* CarlaEngine::getDriverName(const uint index2)

  113. {

  114.     carla_debug("CarlaEngine::getDriverName(%i)", index2);

  115.     using namespace EngineInit;

  116. 

  117.     uint index = index2;

  118. 

  119.     if (jackbridge_is_ok() && index-- == 0)

  120.         return "JACK";

  121. 

  122. #ifndef BUILD_BRIDGE

  123. # ifdef USING_JUCE_AUDIO_DEVICES

  124.     if (const uint count = getJuceApiCount())

  125.     {

  126.         if (index < count)

  127.             return getJuceApiName(index);

  128.         index -= count;

  129.     }

  130. # else

  131.     if (const uint count = getRtAudioApiCount())

  132.     {

  133.         if (index < count)

  134.             return getRtAudioApiName(index);

  135.     }

  136. # endif

  137. #endif

  138. 

  139.     carla_stderr("CarlaEngine::getDriverName(%i) - invalid index", index2);

  140.     return nullptr;

  141. }

  142. 

  143. const char* const* CarlaEngine::getDriverDeviceNames(const uint index2)

  144. {

  145.     carla_debug("CarlaEngine::getDriverDeviceNames(%i)", index2);

  146.     using namespace EngineInit;

  147. 

  148.     uint index = index2;

  149. 

  150.     if (jackbridge_is_ok() && index-- == 0)

  151.     {

  152.         static const char* ret[3] = { "Auto-Connect ON", "Auto-Connect OFF", nullptr };

  153.         return ret;

  154.     }

  155. 

  156. #ifndef BUILD_BRIDGE

  157. # ifdef USING_JUCE_AUDIO_DEVICES

  158.     if (const uint count = getJuceApiCount())

  159.     {

  160.         if (index < count)

  161.             return getJuceApiDeviceNames(index);

  162.         index -= count;

  163.     }

  164. # else

  165.     if (const uint count = getRtAudioApiCount())

  166.     {

  167.         if (index < count)

  168.             return getRtAudioApiDeviceNames(index);

  169.     }

  170. # endif

  171. #endif

  172. 

  173.     carla_stderr("CarlaEngine::getDriverDeviceNames(%i) - invalid index", index2);

  174.     return nullptr;

  175. }

  176. 

  177. const EngineDriverDeviceInfo* CarlaEngine::getDriverDeviceInfo(const uint index2, const char* const deviceName)

  178. {

  179.     carla_debug("CarlaEngine::getDriverDeviceInfo(%i, \"%s\")", index2, deviceName);

  180.     using namespace EngineInit;

  181. 

  182.     uint index = index2;

  183. 

  184.     if (jackbridge_is_ok() && index-- == 0)

  185.     {

  186.         static EngineDriverDeviceInfo devInfo;

  187.         devInfo.hints       = ENGINE_DRIVER_DEVICE_VARIABLE_BUFFER_SIZE;

  188.         devInfo.bufferSizes = nullptr;

  189.         devInfo.sampleRates = nullptr;

  190.         return &devInfo;

  191.     }

  192. 

  193. #ifndef BUILD_BRIDGE

  194. # ifdef USING_JUCE_AUDIO_DEVICES

  195.     if (const uint count = getJuceApiCount())

  196.     {

  197.         if (index < count)

  198.             return getJuceDeviceInfo(index, deviceName);

  199.         index -= count;

  200.     }

  201. # else

  202.     if (const uint count = getRtAudioApiCount())

  203.     {

  204.         if (index < count)

  205.             return getRtAudioDeviceInfo(index, deviceName);

  206.     }

  207. # endif

  208. #endif

  209. 

  210.     carla_stderr("CarlaEngine::getDriverDeviceNames(%i, \"%s\") - invalid index", index2, deviceName);

  211.     return nullptr;

  212. }

  213. 

  214. bool CarlaEngine::showDriverDeviceControlPanel(const uint index2, const char* const deviceName)

  215. {

  216.     carla_debug("CarlaEngine::showDriverDeviceControlPanel(%i, \"%s\")", index2, deviceName);

  217.     using namespace EngineInit;

  218. 

  219.     uint index = index2;

  220. 

  221.     if (jackbridge_is_ok() && index-- == 0)

  222.     {

  223.         return false;

  224.     }

  225. 

  226. #ifndef BUILD_BRIDGE

  227. # ifdef USING_JUCE_AUDIO_DEVICES

  228.     if (const uint count = getJuceApiCount())

  229.     {

  230.         if (index < count)

  231.             return showJuceDeviceControlPanel(index, deviceName);

  232.         index -= count;

  233.     }

  234. # else

  235.     if (const uint count = getRtAudioApiCount())

  236.     {

  237.         if (index < count)

  238.             return false;

  239.     }

  240. # endif

  241. #endif

  242. 

  243.     carla_stderr("CarlaEngine::showDriverDeviceControlPanel(%i, \"%s\") - invalid index", index2, deviceName);

  244.     return false;

  245. }

  246. 

  247. CarlaEngine* CarlaEngine::newDriverByName(const char* const driverName)

  248. {

  249.     CARLA_SAFE_ASSERT_RETURN(driverName != nullptr && driverName[0] != '\0', nullptr);

  250.     carla_debug("CarlaEngine::newDriverByName(\"%s\")", driverName);

  251.     using namespace EngineInit;

  252. 

  253.     if (std::strcmp(driverName, "JACK") == 0)

  254.         return newJack();

  255. 

  256. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  257.     if (std::strcmp(driverName, "Dummy") == 0)

  258.         return newDummy();

  259. #endif

  260. 

  261. #ifndef BUILD_BRIDGE

  262. # ifdef USING_JUCE_AUDIO_DEVICES

  263.     // -------------------------------------------------------------------

  264.     // linux

  265. 

  266.     if (std::strcmp(driverName, "ALSA") == 0)

  267.         return newJuce(AUDIO_API_ALSA);

  268. 

  269.     // -------------------------------------------------------------------

  270.     // macos

  271. 

  272.     if (std::strcmp(driverName, "CoreAudio") == 0)

  273.         return newJuce(AUDIO_API_COREAUDIO);

  274. 

  275.     // -------------------------------------------------------------------

  276.     // windows

  277. 

  278.     if (std::strcmp(driverName, "ASIO") == 0)

  279.         return newJuce(AUDIO_API_ASIO);

  280.     if (std::strcmp(driverName, "DirectSound") == 0)

  281.         return newJuce(AUDIO_API_DIRECTSOUND);

  282.     if (std::strcmp(driverName, "WASAPI") == 0 || std::strcmp(driverName, "Windows Audio") == 0)

  283.         return newJuce(AUDIO_API_WASAPI);

  284. # else

  285.     // -------------------------------------------------------------------

  286.     // common

  287. 

  288.     if (std::strncmp(driverName, "JACK ", 5) == 0)

  289.         return newRtAudio(AUDIO_API_JACK);

  290.     if (std::strcmp(driverName, "OSS") == 0)

  291.         return newRtAudio(AUDIO_API_OSS);

  292. 

  293.     // -------------------------------------------------------------------

  294.     // linux

  295. 

  296.     if (std::strcmp(driverName, "ALSA") == 0)

  297.         return newRtAudio(AUDIO_API_ALSA);

  298.     if (std::strcmp(driverName, "PulseAudio") == 0)

  299.         return newRtAudio(AUDIO_API_PULSEAUDIO);

  300. 

  301.     // -------------------------------------------------------------------

  302.     // macos

  303. 

  304.     if (std::strcmp(driverName, "CoreAudio") == 0)

  305.         return newRtAudio(AUDIO_API_COREAUDIO);

  306. 

  307.     // -------------------------------------------------------------------

  308.     // windows

  309. 

  310.     if (std::strcmp(driverName, "ASIO") == 0)

  311.         return newRtAudio(AUDIO_API_ASIO);

  312.     if (std::strcmp(driverName, "DirectSound") == 0)

  313.         return newRtAudio(AUDIO_API_DIRECTSOUND);

  314.     if (std::strcmp(driverName, "WASAPI") == 0)

  315.         return newRtAudio(AUDIO_API_WASAPI);

  316. # endif

  317. #endif

  318. 

  319.     carla_stderr("CarlaEngine::newDriverByName(\"%s\") - invalid driver name", driverName);

  320.     return nullptr;

  321. }

  322. 

  323. // -----------------------------------------------------------------------

  324. // Constant values

  325. 

  326. uint CarlaEngine::getMaxClientNameSize() const noexcept

  327. {

  328.     return STR_MAX/2;

  329. }

  330. 

  331. uint CarlaEngine::getMaxPortNameSize() const noexcept

  332. {

  333.     return STR_MAX;

  334. }

  335. 

  336. uint CarlaEngine::getCurrentPluginCount() const noexcept

  337. {

  338.     return pData->curPluginCount;

  339. }

  340. 

  341. uint CarlaEngine::getMaxPluginNumber() const noexcept

  342. {

  343.     return pData->maxPluginNumber;

  344. }

  345. 

  346. // -----------------------------------------------------------------------

  347. // Virtual, per-engine type calls

  348. 

  349. bool CarlaEngine::close()

  350. {

  351.     carla_debug("CarlaEngine::close()");

  352. 

  353.     if (pData->curPluginCount != 0)

  354.     {

  355.         pData->aboutToClose = true;

  356.         removeAllPlugins();

  357.     }

  358. 

  359.     pData->close();

  360. 

  361.     callback(true, true, ENGINE_CALLBACK_ENGINE_STOPPED, 0, 0, 0, 0, 0.0f, nullptr);

  362.     return true;

  363. }

  364. 

  365. bool CarlaEngine::usesConstantBufferSize() const noexcept

  366. {

  367.     return true;

  368. }

  369. 

  370. void CarlaEngine::idle() noexcept

  371. {

  372.     CARLA_SAFE_ASSERT_RETURN(pData->nextAction.opcode == kEnginePostActionNull,);

  373.     CARLA_SAFE_ASSERT_RETURN(pData->nextPluginId == pData->maxPluginNumber,);

  374.     CARLA_SAFE_ASSERT_RETURN(getType() != kEngineTypePlugin,);

  375. 

  376.     const bool engineNotRunning = !isRunning();

  377. 

  378.     for (uint i=0; i < pData->curPluginCount; ++i)

  379.     {

  380.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  381.         {

  382.             if (plugin->isEnabled())

  383.             {

  384.                 const uint hints = plugin->getHints();

  385. 

  386.                 if (engineNotRunning)

  387.                 {

  388.                     try {

  389.                         plugin->idle();

  390.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin idle");

  391. 

  392.                     if (hints & PLUGIN_HAS_CUSTOM_UI)

  393.                     {

  394.                         try {

  395.                             plugin->uiIdle();

  396.                         } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  397.                     }

  398.                 }

  399.                 else if ((hints & PLUGIN_HAS_CUSTOM_UI) != 0 && (hints & PLUGIN_NEEDS_UI_MAIN_THREAD) != 0)

  400.                 {

  401.                     try {

  402.                         plugin->uiIdle();

  403.                     } CARLA_SAFE_EXCEPTION_CONTINUE("Plugin uiIdle");

  404.                 }

  405.             }

  406.         }

  407.     }

  408. 

  409. #if defined(HAVE_LIBLO) && !defined(BUILD_BRIDGE)

  410.     pData->osc.idle();

  411. #endif

  412. 

  413.     pData->deletePluginsAsNeeded();

  414. }

  415. 

  416. CarlaEngineClient* CarlaEngine::addClient(CarlaPluginPtr plugin)

  417. {

  418. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  419.     return new CarlaEngineClientForStandalone(*this, pData->graph, plugin);

  420. #else

  421.     return new CarlaEngineClientForBridge(*this);

  422. 

  423.     // unused

  424.     (void)plugin;

  425. #endif

  426. }

  427. 

  428. float CarlaEngine::getDSPLoad() const noexcept

  429. {

  430. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  431.     return pData->dspLoad;

  432. #else

  433.     return 0.0f;

  434. #endif

  435. }

  436. 

  437. uint32_t CarlaEngine::getTotalXruns() const noexcept

  438. {

  439. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  440.     return pData->xruns;

  441. #else

  442.     return 0;

  443. #endif

  444. }

  445. 

  446. void CarlaEngine::clearXruns() const noexcept

  447. {

  448. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  449.     pData->xruns = 0;

  450. #endif

  451. }

  452. 

  453. bool CarlaEngine::showDeviceControlPanel() const noexcept

  454. {

  455.     return false;

  456. }

  457. 

  458. bool CarlaEngine::setBufferSizeAndSampleRate(const uint, const double)

  459. {

  460.     return false;

  461. }

  462. 

  463. // -----------------------------------------------------------------------

  464. // Plugin management

  465. 

  466. bool CarlaEngine::addPlugin(const BinaryType btype,

  467.                             const PluginType ptype,

  468.                             const char* const filename,

  469.                             const char* const name,

  470.                             const char* const label,

  471.                             const int64_t uniqueId,

  472.                             const void* const extra,

  473.                             const uint options)

  474. {

  475.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  476. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  477.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data");

  478.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextPluginId <= pData->maxPluginNumber, "Invalid engine internal data");

  479. #endif

  480.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  481.     CARLA_SAFE_ASSERT_RETURN_ERR(btype != BINARY_NONE, "Invalid plugin binary mode");

  482.     CARLA_SAFE_ASSERT_RETURN_ERR(ptype != PLUGIN_NONE, "Invalid plugin type");

  483.     CARLA_SAFE_ASSERT_RETURN_ERR((filename != nullptr && filename[0] != '\0') || (label != nullptr && label[0] != '\0'), "Invalid plugin filename and label");

  484.     carla_debug("CarlaEngine::addPlugin(%i:%s, %i:%s, \"%s\", \"%s\", \"%s\", " P_INT64 ", %p, %u)",

  485.                 btype, BinaryType2Str(btype), ptype, PluginType2Str(ptype), filename, name, label, uniqueId, extra, options);

  486. 

  487. #ifndef CARLA_OS_WIN

  488.     if (ptype != PLUGIN_JACK && ptype != PLUGIN_LV2 && filename != nullptr && filename[0] != '\0') {

  489.         CARLA_SAFE_ASSERT_RETURN_ERR(filename[0] == CARLA_OS_SEP || filename[0] == '.' || filename[0] == '~', "Invalid plugin filename");

  490.     }

  491. #endif

  492. 

  493.     uint id;

  494. 

  495. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  496.     CarlaPluginPtr oldPlugin;

  497. 

  498.     if (pData->nextPluginId < pData->curPluginCount)

  499.     {

  500.         id = pData->nextPluginId;

  501.         pData->nextPluginId = pData->maxPluginNumber;

  502. 

  503.         oldPlugin = pData->plugins[id].plugin;

  504. 

  505.         CARLA_SAFE_ASSERT_RETURN_ERR(oldPlugin.get() != nullptr, "Invalid replace plugin Id");

  506.     }

  507.     else

  508. #endif

  509.     {

  510.         id = pData->curPluginCount;

  511. 

  512.         if (id == pData->maxPluginNumber)

  513.         {

  514.             setLastError("Maximum number of plugins reached");

  515.             return false;

  516.         }

  517. 

  518. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  519.         CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins[id].plugin.get() == nullptr, "Invalid engine internal data");

  520. #endif

  521.     }

  522. 

  523.     CarlaPlugin::Initializer initializer = {

  524.         this,

  525.         id,

  526.         filename,

  527.         name,

  528.         label,

  529.         uniqueId,

  530.         options

  531.     };

  532. 

  533.     CarlaPluginPtr plugin;

  534.     CarlaString bridgeBinary(pData->options.binaryDir);

  535. 

  536.     if (bridgeBinary.isNotEmpty())

  537.     {

  538. #ifndef CARLA_OS_WIN

  539.         if (btype == BINARY_NATIVE)

  540.         {

  541.             bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-native";

  542.         }

  543.         else

  544. #endif

  545.         {

  546.             switch (btype)

  547.             {

  548.             case BINARY_POSIX32:

  549.                 bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-posix32";

  550.                 break;

  551.             case BINARY_POSIX64:

  552.                 bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-posix64";

  553.                 break;

  554.             case BINARY_WIN32:

  555. #if defined(CARLA_OS_WIN) && !defined(CARLA_OS_64BIT)

  556.                 bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-native.exe";

  557. #else

  558.                 bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-win32.exe";

  559. #endif

  560.                 break;

  561.             case BINARY_WIN64:

  562. #if defined(CARLA_OS_WIN) && defined(CARLA_OS_64BIT)

  563.                 bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-native.exe";

  564. #else

  565.                 bridgeBinary += CARLA_OS_SEP_STR "carla-bridge-win64.exe";

  566. #endif

  567.                 break;

  568.             default:

  569.                 bridgeBinary.clear();

  570.                 break;

  571.             }

  572.         }

  573. 

  574.         if (! File(bridgeBinary.buffer()).existsAsFile())

  575.             bridgeBinary.clear();

  576.     }

  577. 

  578.     const bool canBeBridged = ptype != PLUGIN_INTERNAL

  579.                            && ptype != PLUGIN_DLS

  580.                            && ptype != PLUGIN_GIG

  581.                            && ptype != PLUGIN_SF2

  582.                            && ptype != PLUGIN_SFZ

  583.                            && ptype != PLUGIN_JACK;

  584. 

  585.     // Prefer bridges for some specific plugins

  586.     bool preferBridges = pData->options.preferPluginBridges;

  587.     const char* needsArchBridge = nullptr;

  588. 

  589. #ifdef CARLA_OS_MAC

  590.     // Plugin might be in quarentine due to Apple stupid notarization rules, let's remove that if possible

  591.     if (canBeBridged && ptype != PLUGIN_LV2 && ptype != PLUGIN_AU)

  592.         removeFileFromQuarantine(filename);

  593. #endif

  594. 

  595. #ifndef BUILD_BRIDGE

  596.     if (canBeBridged && ! preferBridges)

  597.     {

  598. # if 0

  599.         if (ptype == PLUGIN_LV2 && label != nullptr)

  600.         {

  601.             if (std::strncmp(label, "http://calf.sourceforge.net/plugins/", 36) == 0 ||

  602.                 std::strcmp(label, "http://factorial.hu/plugins/lv2/ir") == 0 ||

  603.                 std::strstr(label, "v1.sourceforge.net/lv2") != nullptr)

  604.             {

  605.                 preferBridges = true;

  606.             }

  607.         }

  608. # endif

  609. # ifdef ADAPT_FOR_APPLE_SILLICON

  610.         // see if this binary needs bridging

  611.         if (ptype == PLUGIN_VST2 || ptype == PLUGIN_VST3)

  612.         {

  613.             if (const char* const vst2Binary = findBinaryInBundle(filename))

  614.             {

  615.                 const CarlaMagic magic;

  616.                 if (const char* const output = magic.getFileDescription(vst2Binary))

  617.                 {

  618.                     carla_stdout("VST binary magic output is '%s'", output);

  619. #  ifdef __aarch64__

  620.                     if (std::strstr(output, "arm64") == nullptr && std::strstr(output, "x86_64") != nullptr)

  621.                         needsArchBridge = "x86_64";

  622. #  else

  623.                     if (std::strstr(output, "x86_64") == nullptr && std::strstr(output, "arm64") != nullptr)

  624.                         needsArchBridge = "arm64";

  625. #  endif

  626.                 }

  627.                 else

  628.                 {

  629.                     carla_stdout("VST binary magic output is null");

  630.                 }

  631.             }

  632.             else

  633.             {

  634.                 carla_stdout("Search for binary in VST bundle failed");

  635.             }

  636.         }

  637. # endif

  638.     }

  639. #endif // ! BUILD_BRIDGE

  640. 

  641.     if (canBeBridged && (needsArchBridge || btype != BINARY_NATIVE || (preferBridges && bridgeBinary.isNotEmpty())))

  642.     {

  643.         if (bridgeBinary.isNotEmpty())

  644.         {

  645.             plugin = CarlaPlugin::newBridge(initializer, btype, ptype, needsArchBridge, bridgeBinary);

  646.         }

  647.         else

  648.         {

  649.             setLastError("This Carla build cannot handle this binary");

  650.             return false;

  651.         }

  652.     }

  653.     else

  654.     {

  655. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  656.         bool use16Outs;

  657. #endif

  658.         setLastError("Invalid or unsupported plugin type");

  659. 

  660.         // Some stupid plugins mess up with global signals, err!!

  661.         const CarlaSignalRestorer csr;

  662. 

  663.         switch (ptype)

  664.         {

  665.         case PLUGIN_NONE:

  666.             break;

  667. 

  668.         case PLUGIN_LADSPA:

  669.             plugin = CarlaPlugin::newLADSPA(initializer, (const LADSPA_RDF_Descriptor*)extra);

  670.             break;

  671. 

  672.         case PLUGIN_DSSI:

  673.             plugin = CarlaPlugin::newDSSI(initializer);

  674.             break;

  675. 

  676.         case PLUGIN_LV2:

  677.             plugin = CarlaPlugin::newLV2(initializer);

  678.             break;

  679. 

  680.         case PLUGIN_VST2:

  681.             plugin = CarlaPlugin::newVST2(initializer);

  682.             break;

  683. 

  684.         case PLUGIN_VST3:

  685.             plugin = CarlaPlugin::newVST3(initializer);

  686.             break;

  687. 

  688.         case PLUGIN_AU:

  689.             plugin = CarlaPlugin::newAU(initializer);

  690.             break;

  691. 

  692. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  693.         case PLUGIN_INTERNAL:

  694.             plugin = CarlaPlugin::newNative(initializer);

  695.             break;

  696. 

  697.         case PLUGIN_DLS:

  698.         case PLUGIN_GIG:

  699.         case PLUGIN_SF2:

  700.             use16Outs = (extra != nullptr && std::strcmp((const char*)extra, "true") == 0);

  701.             plugin = CarlaPlugin::newFluidSynth(initializer, ptype, use16Outs);

  702.             break;

  703. 

  704.         case PLUGIN_SFZ:

  705. # ifdef SFZ_FILES_USING_SFIZZ

  706.             {

  707.                 CarlaPlugin::Initializer sfizzInitializer = {

  708.                     this,

  709.                     id,

  710.                     name,

  711.                     "",

  712.                     "http://sfztools.github.io/sfizz",

  713.                     0,

  714.                     options

  715.                 };

  716. 

  717.                 plugin = CarlaPlugin::newLV2(sfizzInitializer);

  718.             }

  719. # else

  720.             plugin = CarlaPlugin::newSFZero(initializer);

  721. # endif

  722.             break;

  723. 

  724.         case PLUGIN_JACK:

  725.             plugin = CarlaPlugin::newJackApp(initializer);

  726.             break;

  727. #else

  728.         case PLUGIN_INTERNAL:

  729.         case PLUGIN_DLS:

  730.         case PLUGIN_GIG:

  731.         case PLUGIN_SF2:

  732.         case PLUGIN_SFZ:

  733.         case PLUGIN_JACK:

  734.             setLastError("Plugin bridges cannot handle this binary");

  735.             break;

  736. #endif

  737.         }

  738.     }

  739. 

  740.     if (plugin.get() == nullptr)

  741.         return false;

  742. 

  743.     plugin->reload();

  744. 

  745. #ifdef SFZ_FILES_USING_SFIZZ

  746.     if (ptype == PLUGIN_SFZ && plugin->getType() == PLUGIN_LV2)

  747.     {

  748.         plugin->setCustomData(LV2_ATOM__Path,

  749.                               "http://sfztools.github.io/sfizz:sfzfile",

  750.                               filename,

  751.                               false);

  752. 

  753.         plugin->restoreLV2State(true);

  754.     }

  755. #endif

  756. 

  757.     bool canRun = true;

  758. 

  759.     if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  760.     {

  761.         /**/ if (plugin->getMidiInCount() > 1 || plugin->getMidiOutCount() > 1)

  762.         {

  763.             setLastError("Carla's patchbay mode cannot work with plugins that have multiple MIDI ports, sorry!");

  764.             canRun = false;

  765.         }

  766.     }

  767. 

  768.     if (! canRun)

  769.     {

  770.         return false;

  771.     }

  772. 

  773.     EnginePluginData& pluginData(pData->plugins[id]);

  774.     pluginData.plugin = plugin;

  775.     carla_zeroFloats(pluginData.peaks, 4);

  776. 

  777. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  778.     if (oldPlugin.get() != nullptr)

  779.     {

  780.         CARLA_SAFE_ASSERT(! pData->loadingProject);

  781. 

  782.         const ScopedThreadStopper sts(this);

  783. 

  784.         if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  785.             pData->graph.replacePlugin(oldPlugin, plugin);

  786. 

  787.         const bool  wasActive = oldPlugin->getInternalParameterValue(PARAMETER_ACTIVE) >= 0.5f;

  788.         const float oldDryWet = oldPlugin->getInternalParameterValue(PARAMETER_DRYWET);

  789.         const float oldVolume = oldPlugin->getInternalParameterValue(PARAMETER_VOLUME);

  790. 

  791.         oldPlugin->prepareForDeletion();

  792.         pData->pluginsToDelete.push_back(oldPlugin);

  793. 

  794.         if (plugin->getHints() & PLUGIN_CAN_DRYWET)

  795.             plugin->setDryWet(oldDryWet, true, true);

  796. 

  797.         if (plugin->getHints() & PLUGIN_CAN_VOLUME)

  798.             plugin->setVolume(oldVolume, true, true);

  799. 

  800.         plugin->setActive(wasActive, true, true);

  801.         plugin->setEnabled(true);

  802. 

  803.         callback(true, true, ENGINE_CALLBACK_RELOAD_ALL, id, 0, 0, 0, 0.0f, nullptr);

  804.     }

  805.     else if (! pData->loadingProject)

  806. #endif

  807.     {

  808.         plugin->setEnabled(true);

  809. 

  810.         ++pData->curPluginCount;

  811.         callback(true, true, ENGINE_CALLBACK_PLUGIN_ADDED, id, 0, 0, 0, 0.0f, plugin->getName());

  812. 

  813.         if (getType() != kEngineTypeBridge)

  814.             plugin->setActive(true, true, true);

  815. 

  816. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  817.         if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  818.             pData->graph.addPlugin(plugin);

  819. #endif

  820.     }

  821. 

  822.     return true;

  823. }

  824. 

  825. bool CarlaEngine::addPlugin(const PluginType ptype,

  826.                             const char* const filename,

  827.                             const char* const name,

  828.                             const char* const label,

  829.                             const int64_t uniqueId,

  830.                             const void* const extra)

  831. {

  832.     return addPlugin(BINARY_NATIVE, ptype, filename, name, label, uniqueId, extra, PLUGIN_OPTIONS_NULL);

  833. }

  834. 

  835. bool CarlaEngine::removePlugin(const uint id)

  836. {

  837.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  838. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  839.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data");

  840.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount != 0, "Invalid engine internal data");

  841. #else

  842.     CARLA_SAFE_ASSERT_RETURN_ERR(id == 0, "Invalid engine internal data");

  843. #endif

  844.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  845.     CARLA_SAFE_ASSERT_RETURN_ERR(id < pData->curPluginCount, "Invalid plugin Id");

  846.     carla_debug("CarlaEngine::removePlugin(%i)", id);

  847. 

  848.     const CarlaPluginPtr plugin = pData->plugins[id].plugin;

  849. 

  850.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin.get() != nullptr, "Could not find plugin to remove");

  851.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin->getId() == id, "Invalid engine internal data");

  852. 

  853.     const ScopedThreadStopper sts(this);

  854. 

  855. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  856.     if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  857.         pData->graph.removePlugin(plugin);

  858. 

  859.     const ScopedActionLock sal(this, kEnginePostActionRemovePlugin, id, 0);

  860. 

  861.     /*

  862.     for (uint i=id; i < pData->curPluginCount; ++i)

  863.     {

  864.         CarlaPlugin* const plugin2(pData->plugins[i].plugin);

  865.         CARLA_SAFE_ASSERT_BREAK(plugin2 != nullptr);

  866.         plugin2->updateOscURL();

  867.     }

  868.     */

  869. #else

  870.     pData->curPluginCount = 0;

  871.     pData->plugins[0].plugin = nullptr;

  872.     carla_zeroStruct(pData->plugins[0].peaks);

  873. #endif

  874. 

  875.     plugin->prepareForDeletion();

  876.     pData->pluginsToDelete.push_back(plugin);

  877. 

  878.     callback(true, true, ENGINE_CALLBACK_PLUGIN_REMOVED, id, 0, 0, 0, 0.0f, nullptr);

  879.     return true;

  880. }

  881. 

  882. bool CarlaEngine::removeAllPlugins()

  883. {

  884.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  885. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  886.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data");

  887.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextPluginId == pData->maxPluginNumber, "Invalid engine internal data");

  888. #endif

  889.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  890.     carla_debug("CarlaEngine::removeAllPlugins()");

  891. 

  892.     if (pData->curPluginCount == 0)

  893.         return true;

  894. 

  895.     const ScopedThreadStopper sts(this);

  896. 

  897.     const uint curPluginCount = pData->curPluginCount;

  898. 

  899. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  900.     if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  901.         pData->graph.removeAllPlugins();

  902. #endif

  903. 

  904.     const ScopedActionLock sal(this, kEnginePostActionZeroCount, 0, 0);

  905. 

  906.     callback(true, false, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  907. 

  908.     for (uint i=0; i < curPluginCount; ++i)

  909.     {

  910.         const uint id = curPluginCount - i - 1;

  911.         EnginePluginData& pluginData(pData->plugins[id]);

  912. 

  913.         pluginData.plugin->prepareForDeletion();

  914.         pData->pluginsToDelete.push_back(pluginData.plugin);

  915. 

  916.         pluginData.plugin.reset();

  917.         carla_zeroStruct(pluginData.peaks);

  918. 

  919.         callback(true, true, ENGINE_CALLBACK_PLUGIN_REMOVED, id, 0, 0, 0, 0.0f, nullptr);

  920.         callback(true, false, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  921.     }

  922. 

  923.     return true;

  924. }

  925. 

  926. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  927. bool CarlaEngine::renamePlugin(const uint id, const char* const newName)

  928. {

  929.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  930.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data");

  931.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount != 0, "Invalid engine internal data");

  932.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  933.     CARLA_SAFE_ASSERT_RETURN_ERR(id < pData->curPluginCount, "Invalid plugin Id");

  934.     CARLA_SAFE_ASSERT_RETURN_ERR(newName != nullptr && newName[0] != '\0', "Invalid plugin name");

  935.     carla_debug("CarlaEngine::renamePlugin(%i, \"%s\")", id, newName);

  936. 

  937.     const CarlaPluginPtr plugin = pData->plugins[id].plugin;

  938.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin.get() != nullptr, "Could not find plugin to rename");

  939.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin->getId() == id, "Invalid engine internal data");

  940. 

  941.     const char* const uniqueName(getUniquePluginName(newName));

  942.     CARLA_SAFE_ASSERT_RETURN_ERR(uniqueName != nullptr, "Unable to get new unique plugin name");

  943. 

  944.     plugin->setName(uniqueName);

  945. 

  946.     if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  947.         pData->graph.renamePlugin(plugin, uniqueName);

  948. 

  949.     callback(true, true, ENGINE_CALLBACK_PLUGIN_RENAMED, id, 0, 0, 0, 0.0f, uniqueName);

  950. 

  951.     delete[] uniqueName;

  952.     return true;

  953. }

  954. 

  955. bool CarlaEngine::clonePlugin(const uint id)

  956. {

  957.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  958.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data");

  959.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount != 0, "Invalid engine internal data");

  960.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  961.     CARLA_SAFE_ASSERT_RETURN_ERR(id < pData->curPluginCount, "Invalid plugin Id");

  962.     carla_debug("CarlaEngine::clonePlugin(%i)", id);

  963. 

  964.     const CarlaPluginPtr plugin = pData->plugins[id].plugin;

  965. 

  966.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin.get() != nullptr, "Could not find plugin to clone");

  967.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin->getId() == id, "Invalid engine internal data");

  968. 

  969.     char label[STR_MAX+1];

  970.     carla_zeroChars(label, STR_MAX+1);

  971. 

  972.     if (! plugin->getLabel(label))

  973.         label[0] = '\0';

  974. 

  975.     const uint pluginCountBefore(pData->curPluginCount);

  976. 

  977.     if (! addPlugin(plugin->getBinaryType(), plugin->getType(),

  978.                     plugin->getFilename(), plugin->getName(), label, plugin->getUniqueId(),

  979.                     plugin->getExtraStuff(), plugin->getOptionsEnabled()))

  980.         return false;

  981. 

  982.     CARLA_SAFE_ASSERT_RETURN_ERR(pluginCountBefore+1 == pData->curPluginCount, "No new plugin found");

  983. 

  984.     if (const CarlaPluginPtr newPlugin = pData->plugins[pluginCountBefore].plugin)

  985.     {

  986.         newPlugin->cloneLV2Files(*plugin);

  987.         newPlugin->loadStateSave(plugin->getStateSave(true));

  988.     }

  989. 

  990.     return true;

  991. }

  992. 

  993. bool CarlaEngine::replacePlugin(const uint id) noexcept

  994. {

  995.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  996.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data");

  997.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount != 0, "Invalid engine internal data");

  998.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  999.     carla_debug("CarlaEngine::replacePlugin(%i)", id);

  1000. 

  1001.     // might use this to reset

  1002.     if (id == pData->maxPluginNumber)

  1003.     {

  1004.         pData->nextPluginId = pData->maxPluginNumber;

  1005.         return true;

  1006.     }

  1007. 

  1008.     CARLA_SAFE_ASSERT_RETURN_ERR(id < pData->curPluginCount, "Invalid plugin Id");

  1009. 

  1010.     const CarlaPluginPtr plugin = pData->plugins[id].plugin;

  1011. 

  1012.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin.get() != nullptr, "Could not find plugin to replace");

  1013.     CARLA_SAFE_ASSERT_RETURN_ERR(plugin->getId() == id, "Invalid engine internal data");

  1014. 

  1015.     pData->nextPluginId = id;

  1016. 

  1017.     return true;

  1018. }

  1019. 

  1020. bool CarlaEngine::switchPlugins(const uint idA, const uint idB) noexcept

  1021. {

  1022.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  1023.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->plugins != nullptr, "Invalid engine internal data");

  1024.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->curPluginCount >= 2, "Invalid engine internal data");

  1025.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  1026.     CARLA_SAFE_ASSERT_RETURN_ERR(idA != idB, "Invalid operation, cannot switch plugin with itself");

  1027.     CARLA_SAFE_ASSERT_RETURN_ERR(idA < pData->curPluginCount, "Invalid plugin Id");

  1028.     CARLA_SAFE_ASSERT_RETURN_ERR(idB < pData->curPluginCount, "Invalid plugin Id");

  1029.     carla_debug("CarlaEngine::switchPlugins(%i)", idA, idB);

  1030. 

  1031.     const CarlaPluginPtr pluginA = pData->plugins[idA].plugin;

  1032.     const CarlaPluginPtr pluginB = pData->plugins[idB].plugin;

  1033. 

  1034.     CARLA_SAFE_ASSERT_RETURN_ERR(pluginA.get() != nullptr, "Could not find plugin to switch");

  1035.     CARLA_SAFE_ASSERT_RETURN_ERR(pluginB.get() != nullptr, "Could not find plugin to switch");

  1036.     CARLA_SAFE_ASSERT_RETURN_ERR(pluginA->getId() == idA, "Invalid engine internal data");

  1037.     CARLA_SAFE_ASSERT_RETURN_ERR(pluginB->getId() == idB, "Invalid engine internal data");

  1038. 

  1039.     const ScopedThreadStopper sts(this);

  1040. 

  1041.     if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  1042.         pData->graph.switchPlugins(pluginA, pluginB);

  1043. 

  1044.     const ScopedActionLock sal(this, kEnginePostActionSwitchPlugins, idA, idB);

  1045. 

  1046.     // TODO

  1047.     /*

  1048.     pluginA->updateOscURL();

  1049.     pluginB->updateOscURL();

  1050. 

  1051.     if (isOscControlRegistered())

  1052.         oscSend_control_switch_plugins(idA, idB);

  1053.     */

  1054. 

  1055.     return true;

  1056. }

  1057. #endif

  1058. 

  1059. void CarlaEngine::touchPluginParameter(const uint, const uint32_t, const bool) noexcept

  1060. {

  1061. }

  1062. 

  1063. CarlaPluginPtr CarlaEngine::getPlugin(const uint id) const noexcept

  1064. {

  1065. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1066.     CARLA_SAFE_ASSERT_RETURN_ERRN(pData->plugins != nullptr, "Invalid engine internal data");

  1067.     CARLA_SAFE_ASSERT_RETURN_ERRN(pData->curPluginCount != 0, "Invalid engine internal data");

  1068. #endif

  1069.     CARLA_SAFE_ASSERT_RETURN_ERRN(pData->nextAction.opcode == kEnginePostActionNull, "Invalid engine internal data");

  1070.     CARLA_SAFE_ASSERT_RETURN_ERRN(id < pData->curPluginCount, "Invalid plugin Id");

  1071. 

  1072.     return pData->plugins[id].plugin;

  1073. }

  1074. 

  1075. CarlaPluginPtr CarlaEngine::getPluginUnchecked(const uint id) const noexcept

  1076. {

  1077.     return pData->plugins[id].plugin;

  1078. }

  1079. 

  1080. const char* CarlaEngine::getUniquePluginName(const char* const name) const

  1081. {

  1082.     CARLA_SAFE_ASSERT_RETURN(pData->nextAction.opcode == kEnginePostActionNull, nullptr);

  1083.     CARLA_SAFE_ASSERT_RETURN(name != nullptr && name[0] != '\0', nullptr);

  1084.     carla_debug("CarlaEngine::getUniquePluginName(\"%s\")", name);

  1085. 

  1086.     CarlaString sname;

  1087.     sname = name;

  1088. 

  1089.     if (sname.isEmpty())

  1090.     {

  1091.         sname = "(No name)";

  1092.         return sname.dup();

  1093.     }

  1094. 

  1095.     const std::size_t maxNameSize(carla_minConstrained<uint>(getMaxClientNameSize(), 0xff, 6U) - 6); // 6 = strlen(" (10)") + 1

  1096. 

  1097.     if (maxNameSize == 0 || ! isRunning())

  1098.         return sname.dup();

  1099. 

  1100.     sname.truncate(maxNameSize);

  1101.     sname.replace(':', '.'); // ':' is used in JACK1 to split client/port names

  1102.     sname.replace('/', '.'); // '/' is used by us for client name prefix

  1103. 

  1104.     for (uint i=0; i < pData->curPluginCount; ++i)

  1105.     {

  1106.         const CarlaPluginPtr plugin = pData->plugins[i].plugin;

  1107.         CARLA_SAFE_ASSERT_BREAK(plugin.use_count() > 0);

  1108. 

  1109.         // Check if unique name doesn't exist

  1110.         if (const char* const pluginName = plugin->getName())

  1111.         {

  1112.             if (sname != pluginName)

  1113.                 continue;

  1114.         }

  1115. 

  1116.         // Check if string has already been modified

  1117.         {

  1118.             const std::size_t len(sname.length());

  1119. 

  1120.             // 1 digit, ex: " (2)"

  1121.             if (len > 4 && sname[len-4] == ' ' && sname[len-3] == '(' && sname.isDigit(len-2) && sname[len-1] == ')')

  1122.             {

  1123.                 const int number = sname[len-2] - '0';

  1124. 

  1125.                 if (number == 9)

  1126.                 {

  1127.                     // next number is 10, 2 digits

  1128.                     sname.truncate(len-4);

  1129.                     sname += " (10)";

  1130.                     //sname.replace(" (9)", " (10)");

  1131.                 }

  1132.                 else

  1133.                     sname[len-2] = char('0' + number + 1);

  1134. 

  1135.                 continue;

  1136.             }

  1137. 

  1138.             // 2 digits, ex: " (11)"

  1139.             if (len > 5 && sname[len-5] == ' ' && sname[len-4] == '(' && sname.isDigit(len-3) && sname.isDigit(len-2) && sname[len-1] == ')')

  1140.             {

  1141.                 char n2 = sname[len-2];

  1142.                 char n3 = sname[len-3];

  1143. 

  1144.                 if (n2 == '9')

  1145.                 {

  1146.                     n2 = '0';

  1147.                     n3 = static_cast<char>(n3 + 1);

  1148.                 }

  1149.                 else

  1150.                     n2 = static_cast<char>(n2 + 1);

  1151. 

  1152.                 sname[len-2] = n2;

  1153.                 sname[len-3] = n3;

  1154. 

  1155.                 continue;

  1156.             }

  1157.         }

  1158. 

  1159.         // Modify string if not

  1160.         sname += " (2)";

  1161.     }

  1162. 

  1163.     return sname.dup();

  1164. }

  1165. 

  1166. // -----------------------------------------------------------------------

  1167. // Project management

  1168. 

  1169. bool CarlaEngine::loadFile(const char* const filename)

  1170. {

  1171.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  1172.     CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename");

  1173.     carla_debug("CarlaEngine::loadFile(\"%s\")", filename);

  1174. 

  1175.     const String jfilename = String(CharPointer_UTF8(filename));

  1176.     File file(jfilename);

  1177.     CARLA_SAFE_ASSERT_RETURN_ERR(file.exists(), "Requested file does not exist or is not a readable");

  1178. 

  1179.     CarlaString baseName(file.getFileNameWithoutExtension().toRawUTF8());

  1180.     CarlaString extension(file.getFileExtension().replace(".","").toLowerCase().toRawUTF8());

  1181. 

  1182.     const uint curPluginId(pData->nextPluginId < pData->curPluginCount ? pData->nextPluginId : pData->curPluginCount);

  1183. 

  1184.     // -------------------------------------------------------------------

  1185.     // NOTE: please keep in sync with carla_get_supported_file_extensions!!

  1186. 

  1187.     if (extension == "carxp" || extension == "carxs")

  1188.         return loadProject(filename, false);

  1189. 

  1190.     // -------------------------------------------------------------------

  1191. 

  1192.     if (extension == "dls")

  1193.         return addPlugin(PLUGIN_DLS, filename, baseName, baseName, 0, nullptr);

  1194. 

  1195.     if (extension == "gig")

  1196.         return addPlugin(PLUGIN_GIG, filename, baseName, baseName, 0, nullptr);

  1197. 

  1198.     if (extension == "sf2" || extension == "sf3")

  1199.         return addPlugin(PLUGIN_SF2, filename, baseName, baseName, 0, nullptr);

  1200. 

  1201.     if (extension == "sfz")

  1202.         return addPlugin(PLUGIN_SFZ, filename, baseName, baseName, 0, nullptr);

  1203. 

  1204.     // -------------------------------------------------------------------

  1205. 

  1206.     if (

  1207.         extension == "mp3"  ||

  1208. #ifdef HAVE_SNDFILE

  1209.         extension == "aif"  ||

  1210.         extension == "aifc" ||

  1211.         extension == "aiff" ||

  1212.         extension == "au"   ||

  1213.         extension == "bwf"  ||

  1214.         extension == "flac" ||

  1215.         extension == "htk"  ||

  1216.         extension == "iff"  ||

  1217.         extension == "mat4" ||

  1218.         extension == "mat5" ||

  1219.         extension == "oga"  ||

  1220.         extension == "ogg"  ||

  1221.         extension == "paf"  ||

  1222.         extension == "pvf"  ||

  1223.         extension == "pvf5" ||

  1224.         extension == "sd2"  ||

  1225.         extension == "sf"   ||

  1226.         extension == "snd"  ||

  1227.         extension == "svx"  ||

  1228.         extension == "vcc"  ||

  1229.         extension == "w64"  ||

  1230.         extension == "wav"  ||

  1231.         extension == "xi"   ||

  1232. #endif

  1233. #ifdef HAVE_FFMPEG

  1234.         extension == "3g2" ||

  1235.         extension == "3gp" ||

  1236.         extension == "aac" ||

  1237.         extension == "ac3" ||

  1238.         extension == "amr" ||

  1239.         extension == "ape" ||

  1240.         extension == "mp2" ||

  1241.         extension == "mpc" ||

  1242.         extension == "wma" ||

  1243. # ifndef HAVE_SNDFILE

  1244.         // FFmpeg without sndfile

  1245.         extension == "flac" ||

  1246.         extension == "oga"  ||

  1247.         extension == "ogg"  ||

  1248.         extension == "w64"  ||

  1249.         extension == "wav"  ||

  1250. # endif

  1251. #endif

  1252.         false

  1253.        )

  1254.     {

  1255.         if (addPlugin(PLUGIN_INTERNAL, nullptr, baseName, "audiofile", 0, nullptr))

  1256.         {

  1257.             if (const CarlaPluginPtr plugin = getPlugin(curPluginId))

  1258.                 plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "file", filename, true);

  1259.             return true;

  1260.         }

  1261.         return false;

  1262.     }

  1263. 

  1264.     // -------------------------------------------------------------------

  1265. 

  1266.     if (extension == "mid" || extension == "midi")

  1267.     {

  1268.         if (addPlugin(PLUGIN_INTERNAL, nullptr, baseName, "midifile", 0, nullptr))

  1269.         {

  1270.             if (const CarlaPluginPtr plugin = getPlugin(curPluginId))

  1271.                 plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "file", filename, true);

  1272.             return true;

  1273.         }

  1274.         return false;

  1275.     }

  1276. 

  1277.     // -------------------------------------------------------------------

  1278.     // ZynAddSubFX

  1279. 

  1280.     if (extension == "xmz" || extension == "xiz")

  1281.     {

  1282. #ifdef HAVE_ZYN_DEPS

  1283.         CarlaString nicerName("Zyn - ");

  1284. 

  1285.         const std::size_t sep(baseName.find('-')+1);

  1286. 

  1287.         if (sep < baseName.length())

  1288.             nicerName += baseName.buffer()+sep;

  1289.         else

  1290.             nicerName += baseName;

  1291. 

  1292.         if (addPlugin(PLUGIN_INTERNAL, nullptr, nicerName, "zynaddsubfx", 0, nullptr))

  1293.         {

  1294.             callback(true, true, ENGINE_CALLBACK_UI_STATE_CHANGED, curPluginId, 0, 0, 0, 0.0f, nullptr);

  1295. 

  1296.             if (const CarlaPluginPtr plugin = getPlugin(curPluginId))

  1297.             {

  1298.                 const char* const ext = (extension == "xmz") ? "CarlaAlternateFile1" : "CarlaAlternateFile2";

  1299.                 plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, ext, filename, true);

  1300.             }

  1301. 

  1302.             return true;

  1303.         }

  1304.         return false;

  1305. #else

  1306.         setLastError("This Carla build does not have ZynAddSubFX support");

  1307.         return false;

  1308. #endif

  1309.     }

  1310. 

  1311.     // -------------------------------------------------------------------

  1312.     // Direct plugin binaries

  1313. 

  1314. #ifdef CARLA_OS_MAC

  1315.     if (extension == "vst")

  1316.         return addPlugin(PLUGIN_VST2, filename, nullptr, nullptr, 0, nullptr);

  1317. #else

  1318.     if (extension == "dll" || extension == "so")

  1319.         return addPlugin(getBinaryTypeFromFile(filename), PLUGIN_VST2, filename, nullptr, nullptr, 0, nullptr);

  1320. #endif

  1321. 

  1322. #ifdef USING_JUCE

  1323.     if (extension == "vst3")

  1324.         return addPlugin(getBinaryTypeFromFile(filename), PLUGIN_VST3, filename, nullptr, nullptr, 0, nullptr);

  1325. #endif

  1326. 

  1327.     // -------------------------------------------------------------------

  1328. 

  1329.     setLastError("Unknown file extension");

  1330.     return false;

  1331. }

  1332. 

  1333. bool CarlaEngine::loadProject(const char* const filename, const bool setAsCurrentProject)

  1334. {

  1335.     CARLA_SAFE_ASSERT_RETURN_ERR(pData->isIdling == 0, "An operation is still being processed, please wait for it to finish");

  1336.     CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename");

  1337.     carla_debug("CarlaEngine::loadProject(\"%s\")", filename);

  1338. 

  1339.     const String jfilename = String(CharPointer_UTF8(filename));

  1340.     const File file(jfilename);

  1341.     CARLA_SAFE_ASSERT_RETURN_ERR(file.existsAsFile(), "Requested file does not exist or is not a readable file");

  1342. 

  1343.     if (setAsCurrentProject)

  1344.     {

  1345. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1346.         if (pData->currentProjectFilename != filename)

  1347.         {

  1348.             pData->currentProjectFilename = filename;

  1349. 

  1350.             bool found;

  1351.             const size_t r = pData->currentProjectFilename.rfind(CARLA_OS_SEP, &found);

  1352. 

  1353.             if (found)

  1354.             {

  1355.                 pData->currentProjectFolder = filename;

  1356.                 pData->currentProjectFolder[r] = '\0';

  1357.             }

  1358.             else

  1359.             {

  1360.                 pData->currentProjectFolder.clear();

  1361.             }

  1362.         }

  1363. #endif

  1364.     }

  1365. 

  1366.     XmlDocument xml(file);

  1367.     return loadProjectInternal(xml, !setAsCurrentProject);

  1368. }

  1369. 

  1370. bool CarlaEngine::saveProject(const char* const filename, const bool setAsCurrentProject)

  1371. {

  1372.     CARLA_SAFE_ASSERT_RETURN_ERR(filename != nullptr && filename[0] != '\0', "Invalid filename");

  1373.     carla_debug("CarlaEngine::saveProject(\"%s\")", filename);

  1374. 

  1375.     MemoryOutputStream out;

  1376.     saveProjectInternal(out);

  1377. 

  1378.     const String jfilename = String(CharPointer_UTF8(filename));

  1379.     File file(jfilename);

  1380. 

  1381.     if (setAsCurrentProject)

  1382.     {

  1383. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1384.         if (pData->currentProjectFilename != filename)

  1385.         {

  1386.             pData->currentProjectFilename = filename;

  1387. 

  1388.             bool found;

  1389.             const size_t r = pData->currentProjectFilename.rfind(CARLA_OS_SEP, &found);

  1390. 

  1391.             if (found)

  1392.             {

  1393.                 pData->currentProjectFolder = filename;

  1394.                 pData->currentProjectFolder[r] = '\0';

  1395.             }

  1396.             else

  1397.             {

  1398.                 pData->currentProjectFolder.clear();

  1399.             }

  1400.         }

  1401. #endif

  1402.     }

  1403. 

  1404.     if (file.replaceWithData(out.getData(), out.getDataSize()))

  1405.         return true;

  1406. 

  1407.     setLastError("Failed to write file");

  1408.     return false;

  1409. }

  1410. 

  1411. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1412. const char* CarlaEngine::getCurrentProjectFolder() const noexcept

  1413. {

  1414.     return pData->currentProjectFolder.isNotEmpty() ? pData->currentProjectFolder.buffer()

  1415.                                                     : nullptr;

  1416. }

  1417. 

  1418. const char* CarlaEngine::getCurrentProjectFilename() const noexcept

  1419. {

  1420.     return pData->currentProjectFilename;

  1421. }

  1422. 

  1423. void CarlaEngine::clearCurrentProjectFilename() noexcept

  1424. {

  1425.     pData->currentProjectFilename.clear();

  1426.     pData->currentProjectFolder.clear();

  1427. }

  1428. #endif

  1429. 

  1430. // -----------------------------------------------------------------------

  1431. // Information (base)

  1432. 

  1433. uint32_t CarlaEngine::getBufferSize() const noexcept

  1434. {

  1435.     return pData->bufferSize;

  1436. }

  1437. 

  1438. double CarlaEngine::getSampleRate() const noexcept

  1439. {

  1440.     return pData->sampleRate;

  1441. }

  1442. 

  1443. const char* CarlaEngine::getName() const noexcept

  1444. {

  1445.     return pData->name;

  1446. }

  1447. 

  1448. EngineProcessMode CarlaEngine::getProccessMode() const noexcept

  1449. {

  1450.     return pData->options.processMode;

  1451. }

  1452. 

  1453. const EngineOptions& CarlaEngine::getOptions() const noexcept

  1454. {

  1455.     return pData->options;

  1456. }

  1457. 

  1458. EngineTimeInfo CarlaEngine::getTimeInfo() const noexcept

  1459. {

  1460.     return pData->timeInfo;

  1461. }

  1462. 

  1463. // -----------------------------------------------------------------------

  1464. // Information (peaks)

  1465. 

  1466. const float* CarlaEngine::getPeaks(const uint pluginId) const noexcept

  1467. {

  1468.     static const float kFallback[4] = { 0.0f, 0.0f, 0.0f, 0.0f };

  1469. 

  1470.     if (pluginId == MAIN_CARLA_PLUGIN_ID)

  1471.     {

  1472.         // get peak from first plugin, if available

  1473.         if (const uint count = pData->curPluginCount)

  1474.         {

  1475.             pData->peaks[0] = pData->plugins[0].peaks[0];

  1476.             pData->peaks[1] = pData->plugins[0].peaks[1];

  1477.             pData->peaks[2] = pData->plugins[count-1].peaks[2];

  1478.             pData->peaks[3] = pData->plugins[count-1].peaks[3];

  1479.         }

  1480.         else

  1481.         {

  1482.             carla_zeroFloats(pData->peaks, 4);

  1483.         }

  1484. 

  1485.         return pData->peaks;

  1486.     }

  1487. 

  1488.     CARLA_SAFE_ASSERT_RETURN(pluginId < pData->curPluginCount, kFallback);

  1489. 

  1490.     return pData->plugins[pluginId].peaks;

  1491. }

  1492. 

  1493. float CarlaEngine::getInputPeak(const uint pluginId, const bool isLeft) const noexcept

  1494. {

  1495.     if (pluginId == MAIN_CARLA_PLUGIN_ID)

  1496.     {

  1497.         // get peak from first plugin, if available

  1498.         if (pData->curPluginCount > 0)

  1499.             return pData->plugins[0].peaks[isLeft ? 0 : 1];

  1500.         return 0.0f;

  1501.     }

  1502. 

  1503.     CARLA_SAFE_ASSERT_RETURN(pluginId < pData->curPluginCount, 0.0f);

  1504. 

  1505.     return pData->plugins[pluginId].peaks[isLeft ? 0 : 1];

  1506. }

  1507. 

  1508. float CarlaEngine::getOutputPeak(const uint pluginId, const bool isLeft) const noexcept

  1509. {

  1510.     if (pluginId == MAIN_CARLA_PLUGIN_ID)

  1511.     {

  1512.         // get peak from last plugin, if available

  1513.         if (pData->curPluginCount > 0)

  1514.             return pData->plugins[pData->curPluginCount-1].peaks[isLeft ? 2 : 3];

  1515.         return 0.0f;

  1516.     }

  1517. 

  1518.     CARLA_SAFE_ASSERT_RETURN(pluginId < pData->curPluginCount, 0.0f);

  1519. 

  1520.     return pData->plugins[pluginId].peaks[isLeft ? 2 : 3];

  1521. }

  1522. 

  1523. // -----------------------------------------------------------------------

  1524. // Callback

  1525. 

  1526. void CarlaEngine::callback(const bool sendHost, const bool sendOSC,

  1527.                            const EngineCallbackOpcode action, const uint pluginId,

  1528.                            const int value1, const int value2, const int value3,

  1529.                            const float valuef, const char* const valueStr) noexcept

  1530. {

  1531. #ifdef DEBUG

  1532.     if (pData->isIdling)

  1533.         carla_stdout("CarlaEngine::callback [while idling] (%s, %s, %i:%s, %i, %i, %i, %i, %f, \"%s\")",

  1534.                      bool2str(sendHost), bool2str(sendOSC),

  1535.                      action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3,

  1536.                      static_cast<double>(valuef), valueStr);

  1537.     else if (action != ENGINE_CALLBACK_IDLE && action != ENGINE_CALLBACK_NOTE_ON && action != ENGINE_CALLBACK_NOTE_OFF)

  1538.         carla_debug("CarlaEngine::callback(%s, %s, %i:%s, %i, %i, %i, %i, %f, \"%s\")",

  1539.                     bool2str(sendHost), bool2str(sendOSC),

  1540.                     action, EngineCallbackOpcode2Str(action), pluginId, value1, value2, value3,

  1541.                     static_cast<double>(valuef), valueStr);

  1542. #endif

  1543. 

  1544.     if (sendHost && pData->callback != nullptr)

  1545.     {

  1546.         if (action == ENGINE_CALLBACK_IDLE)

  1547.             ++pData->isIdling;

  1548. 

  1549.         try {

  1550.             pData->callback(pData->callbackPtr, action, pluginId, value1, value2, value3, valuef, valueStr);

  1551.         } CARLA_SAFE_EXCEPTION("callback")

  1552. 

  1553.         if (action == ENGINE_CALLBACK_IDLE)

  1554.             --pData->isIdling;

  1555.     }

  1556. 

  1557.     if (sendOSC)

  1558.     {

  1559. #if defined(HAVE_LIBLO) && ! defined(BUILD_BRIDGE)

  1560.         if (pData->osc.isControlRegisteredForTCP())

  1561.         {

  1562.             switch (action)

  1563.             {

  1564.             case ENGINE_CALLBACK_RELOAD_INFO:

  1565.             {

  1566.                 CarlaPluginPtr plugin = pData->plugins[pluginId].plugin;

  1567.                 CARLA_SAFE_ASSERT_BREAK(plugin != nullptr);

  1568. 

  1569.                 pData->osc.sendPluginInfo(plugin);

  1570.                 break;

  1571.             }

  1572. 

  1573.             case ENGINE_CALLBACK_RELOAD_PARAMETERS:

  1574.             {

  1575.                 CarlaPluginPtr plugin = pData->plugins[pluginId].plugin;

  1576.                 CARLA_SAFE_ASSERT_BREAK(plugin != nullptr);

  1577. 

  1578.                 pData->osc.sendPluginPortCount(plugin);

  1579. 

  1580.                 if (const uint32_t count = plugin->getParameterCount())

  1581.                 {

  1582.                     for (uint32_t i=0; i<count; ++i)

  1583.                       pData->osc.sendPluginParameterInfo(plugin, i);

  1584.                 }

  1585.                 break;

  1586.             }

  1587. 

  1588.             case ENGINE_CALLBACK_RELOAD_PROGRAMS:

  1589.             {

  1590.                 CarlaPluginPtr plugin = pData->plugins[pluginId].plugin;

  1591.                 CARLA_SAFE_ASSERT_BREAK(plugin != nullptr);

  1592. 

  1593.                 pData->osc.sendPluginProgramCount(plugin);

  1594. 

  1595.                 if (const uint32_t count = plugin->getProgramCount())

  1596.                 {

  1597.                     for (uint32_t i=0; i<count; ++i)

  1598.                       pData->osc.sendPluginProgram(plugin, i);

  1599.                 }

  1600. 

  1601.                 if (const uint32_t count = plugin->getMidiProgramCount())

  1602.                 {

  1603.                     for (uint32_t i=0; i<count; ++i)

  1604.                       pData->osc.sendPluginMidiProgram(plugin, i);

  1605.                 }

  1606.                 break;

  1607.             }

  1608. 

  1609.             case ENGINE_CALLBACK_PLUGIN_ADDED:

  1610.             case ENGINE_CALLBACK_RELOAD_ALL:

  1611.             {

  1612.                 CarlaPluginPtr plugin = pData->plugins[pluginId].plugin;

  1613.                 CARLA_SAFE_ASSERT_BREAK(plugin != nullptr);

  1614. 

  1615.                 pData->osc.sendPluginInfo(plugin);

  1616.                 pData->osc.sendPluginPortCount(plugin);

  1617.                 pData->osc.sendPluginDataCount(plugin);

  1618. 

  1619.                 if (const uint32_t count = plugin->getParameterCount())

  1620.                 {

  1621.                     for (uint32_t i=0; i<count; ++i)

  1622.                       pData->osc.sendPluginParameterInfo(plugin, i);

  1623.                 }

  1624. 

  1625.                 if (const uint32_t count = plugin->getProgramCount())

  1626.                 {

  1627.                     for (uint32_t i=0; i<count; ++i)

  1628.                       pData->osc.sendPluginProgram(plugin, i);

  1629.                 }

  1630. 

  1631.                 if (const uint32_t count = plugin->getMidiProgramCount())

  1632.                 {

  1633.                     for (uint32_t i=0; i<count; ++i)

  1634.                       pData->osc.sendPluginMidiProgram(plugin, i);

  1635.                 }

  1636. 

  1637.                 if (const uint32_t count = plugin->getCustomDataCount())

  1638.                 {

  1639.                     for (uint32_t i=0; i<count; ++i)

  1640.                       pData->osc.sendPluginCustomData(plugin, i);

  1641.                 }

  1642. 

  1643.                 pData->osc.sendPluginInternalParameterValues(plugin);

  1644.                 break;

  1645.             }

  1646. 

  1647.             case ENGINE_CALLBACK_IDLE:

  1648.                 return;

  1649. 

  1650.             default:

  1651.                 break;

  1652.             }

  1653. 

  1654.             pData->osc.sendCallback(action, pluginId, value1, value2, value3, valuef, valueStr);

  1655.         }

  1656. #endif

  1657.     }

  1658. }

  1659. 

  1660. void CarlaEngine::setCallback(const EngineCallbackFunc func, void* const ptr) noexcept

  1661. {

  1662.     carla_debug("CarlaEngine::setCallback(%p, %p)", func, ptr);

  1663. 

  1664.     pData->callback    = func;

  1665.     pData->callbackPtr = ptr;

  1666. }

  1667. 

  1668. // -----------------------------------------------------------------------

  1669. // File Callback

  1670. 

  1671. const char* CarlaEngine::runFileCallback(const FileCallbackOpcode action, const bool isDir, const char* const title, const char* const filter) noexcept

  1672. {

  1673.     CARLA_SAFE_ASSERT_RETURN(title != nullptr && title[0] != '\0', nullptr);

  1674.     CARLA_SAFE_ASSERT_RETURN(filter != nullptr, nullptr);

  1675.     carla_debug("CarlaEngine::runFileCallback(%i:%s, %s, \"%s\", \"%s\")", action, FileCallbackOpcode2Str(action), bool2str(isDir), title, filter);

  1676. 

  1677.     const char* ret = nullptr;

  1678. 

  1679.     if (pData->fileCallback != nullptr)

  1680.     {

  1681.         try {

  1682.             ret = pData->fileCallback(pData->fileCallbackPtr, action, isDir, title, filter);

  1683.         } CARLA_SAFE_EXCEPTION("runFileCallback");

  1684.     }

  1685. 

  1686.     return ret;

  1687. }

  1688. 

  1689. void CarlaEngine::setFileCallback(const FileCallbackFunc func, void* const ptr) noexcept

  1690. {

  1691.     carla_debug("CarlaEngine::setFileCallback(%p, %p)", func, ptr);

  1692. 

  1693.     pData->fileCallback    = func;

  1694.     pData->fileCallbackPtr = ptr;

  1695. }

  1696. 

  1697. // -----------------------------------------------------------------------

  1698. // Transport

  1699. 

  1700. void CarlaEngine::transportPlay() noexcept

  1701. {

  1702.     pData->timeInfo.playing = true;

  1703.     pData->time.setNeedsReset();

  1704. }

  1705. 

  1706. void CarlaEngine::transportPause() noexcept

  1707. {

  1708.     if (pData->timeInfo.playing)

  1709.         pData->time.pause();

  1710.     else

  1711.         pData->time.setNeedsReset();

  1712. }

  1713. 

  1714. void CarlaEngine::transportBPM(const double bpm) noexcept

  1715. {

  1716.     CARLA_SAFE_ASSERT_RETURN(bpm >= 20.0,)

  1717. 

  1718.     try {

  1719.         pData->time.setBPM(bpm);

  1720.     } CARLA_SAFE_EXCEPTION("CarlaEngine::transportBPM");

  1721. }

  1722. 

  1723. void CarlaEngine::transportRelocate(const uint64_t frame) noexcept

  1724. {

  1725.     pData->time.relocate(frame);

  1726. }

  1727. 

  1728. // -----------------------------------------------------------------------

  1729. // Error handling

  1730. 

  1731. const char* CarlaEngine::getLastError() const noexcept

  1732. {

  1733.     return pData->lastError;

  1734. }

  1735. 

  1736. void CarlaEngine::setLastError(const char* const error) const noexcept

  1737. {

  1738.     pData->lastError = error;

  1739. }

  1740. 

  1741. // -----------------------------------------------------------------------

  1742. // Misc

  1743. 

  1744. bool CarlaEngine::isAboutToClose() const noexcept

  1745. {

  1746.     return pData->aboutToClose;

  1747. }

  1748. 

  1749. bool CarlaEngine::setAboutToClose() noexcept

  1750. {

  1751.     carla_debug("CarlaEngine::setAboutToClose()");

  1752. 

  1753.     pData->aboutToClose = true;

  1754. 

  1755.     return (pData->isIdling == 0);

  1756. }

  1757. 

  1758. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1759. bool CarlaEngine::isLoadingProject() const noexcept

  1760. {

  1761.     return pData->loadingProject;

  1762. }

  1763. #endif

  1764. 

  1765. void CarlaEngine::setActionCanceled(const bool canceled) noexcept

  1766. {

  1767.     pData->actionCanceled = canceled;

  1768. }

  1769. 

  1770. bool CarlaEngine::wasActionCanceled() const noexcept

  1771. {

  1772.     return pData->actionCanceled;

  1773. }

  1774. 

  1775. // -----------------------------------------------------------------------

  1776. // Global options

  1777. 

  1778. void CarlaEngine::setOption(const EngineOption option, const int value, const char* const valueStr) noexcept

  1779. {

  1780.     carla_debug("CarlaEngine::setOption(%i:%s, %i, \"%s\")", option, EngineOption2Str(option), value, valueStr);

  1781. 

  1782.     if (isRunning())

  1783.     {

  1784.         switch (option)

  1785.         {

  1786.         case ENGINE_OPTION_PROCESS_MODE:

  1787.         case ENGINE_OPTION_AUDIO_TRIPLE_BUFFER:

  1788.         case ENGINE_OPTION_AUDIO_DRIVER:

  1789.         case ENGINE_OPTION_AUDIO_DEVICE:

  1790.             return carla_stderr("CarlaEngine::setOption(%i:%s, %i, \"%s\") - Cannot set this option while engine is running!",

  1791.                                 option, EngineOption2Str(option), value, valueStr);

  1792.         default:

  1793.             break;

  1794.         }

  1795.     }

  1796. 

  1797.     // do not un-force stereo for rack mode

  1798.     if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK && option == ENGINE_OPTION_FORCE_STEREO && value != 0)

  1799.         return;

  1800. 

  1801.     switch (option)

  1802.     {

  1803.     case ENGINE_OPTION_DEBUG:

  1804.         break;

  1805. 

  1806.     case ENGINE_OPTION_PROCESS_MODE:

  1807.         CARLA_SAFE_ASSERT_RETURN(value >= ENGINE_PROCESS_MODE_SINGLE_CLIENT && value <= ENGINE_PROCESS_MODE_BRIDGE,);

  1808.         pData->options.processMode = static_cast<EngineProcessMode>(value);

  1809.         break;

  1810. 

  1811.     case ENGINE_OPTION_TRANSPORT_MODE:

  1812.         CARLA_SAFE_ASSERT_RETURN(value >= ENGINE_TRANSPORT_MODE_DISABLED && value <= ENGINE_TRANSPORT_MODE_BRIDGE,);

  1813.         CARLA_SAFE_ASSERT_RETURN(getType() == kEngineTypeJack || value != ENGINE_TRANSPORT_MODE_JACK,);

  1814.         pData->options.transportMode = static_cast<EngineTransportMode>(value);

  1815.         delete[] pData->options.transportExtra;

  1816.         if (value >= ENGINE_TRANSPORT_MODE_DISABLED && valueStr != nullptr)

  1817.             pData->options.transportExtra = carla_strdup_safe(valueStr);

  1818.         else

  1819.             pData->options.transportExtra = nullptr;

  1820. 

  1821.         pData->time.setNeedsReset();

  1822. 

  1823. #if defined(HAVE_HYLIA) && !defined(BUILD_BRIDGE)

  1824.         // enable link now if needed

  1825.         {

  1826.             const bool linkEnabled = pData->options.transportExtra != nullptr && std::strstr(pData->options.transportExtra, ":link:") != nullptr;

  1827.             pData->time.enableLink(linkEnabled);

  1828.         }

  1829. #endif

  1830.         break;

  1831. 

  1832.     case ENGINE_OPTION_FORCE_STEREO:

  1833.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1834.         pData->options.forceStereo = (value != 0);

  1835.         break;

  1836. 

  1837.     case ENGINE_OPTION_PREFER_PLUGIN_BRIDGES:

  1838. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  1839.         CARLA_SAFE_ASSERT_RETURN(value == 0,);

  1840. #else

  1841.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1842. #endif

  1843.         pData->options.preferPluginBridges = (value != 0);

  1844.         break;

  1845. 

  1846.     case ENGINE_OPTION_PREFER_UI_BRIDGES:

  1847.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1848.         pData->options.preferUiBridges = (value != 0);

  1849.         break;

  1850. 

  1851.     case ENGINE_OPTION_UIS_ALWAYS_ON_TOP:

  1852.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1853.         pData->options.uisAlwaysOnTop = (value != 0);

  1854.         break;

  1855. 

  1856.     case ENGINE_OPTION_MAX_PARAMETERS:

  1857.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1858.         pData->options.maxParameters = static_cast<uint>(value);

  1859.         break;

  1860. 

  1861.     case ENGINE_OPTION_RESET_XRUNS:

  1862.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1863.         pData->options.resetXruns = (value != 0);

  1864.         break;

  1865. 

  1866.     case ENGINE_OPTION_UI_BRIDGES_TIMEOUT:

  1867.         CARLA_SAFE_ASSERT_RETURN(value >= 0,);

  1868.         pData->options.uiBridgesTimeout = static_cast<uint>(value);

  1869.         break;

  1870. 

  1871.     case ENGINE_OPTION_AUDIO_BUFFER_SIZE:

  1872.         CARLA_SAFE_ASSERT_RETURN(value >= 8,);

  1873.         pData->options.audioBufferSize = static_cast<uint>(value);

  1874.         break;

  1875. 

  1876.     case ENGINE_OPTION_AUDIO_SAMPLE_RATE:

  1877.         CARLA_SAFE_ASSERT_RETURN(value >= 22050,);

  1878.         pData->options.audioSampleRate = static_cast<uint>(value);

  1879.         break;

  1880. 

  1881.     case ENGINE_OPTION_AUDIO_TRIPLE_BUFFER:

  1882.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1883.         pData->options.audioTripleBuffer = (value != 0);

  1884.         break;

  1885. 

  1886.     case ENGINE_OPTION_AUDIO_DRIVER:

  1887.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1888. 

  1889.         if (pData->options.audioDriver != nullptr)

  1890.             delete[] pData->options.audioDriver;

  1891. 

  1892.         pData->options.audioDriver = carla_strdup_safe(valueStr);

  1893.         break;

  1894. 

  1895.     case ENGINE_OPTION_AUDIO_DEVICE:

  1896.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr,);

  1897. 

  1898.         if (pData->options.audioDevice != nullptr)

  1899.             delete[] pData->options.audioDevice;

  1900. 

  1901.         pData->options.audioDevice = carla_strdup_safe(valueStr);

  1902.         break;

  1903. 

  1904.     case ENGINE_OPTION_OSC_ENABLED:

  1905.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  1906. #ifndef BUILD_BRIDGE

  1907.         pData->options.oscEnabled = (value != 0);

  1908. #endif

  1909.         break;

  1910. 

  1911.     case ENGINE_OPTION_OSC_PORT_TCP:

  1912.         CARLA_SAFE_ASSERT_RETURN(value <= 0 || value >= 1024,);

  1913. #ifndef BUILD_BRIDGE

  1914.         pData->options.oscPortTCP = value;

  1915. #endif

  1916.         break;

  1917. 

  1918.     case ENGINE_OPTION_OSC_PORT_UDP:

  1919.         CARLA_SAFE_ASSERT_RETURN(value <= 0 || value >= 1024,);

  1920. #ifndef BUILD_BRIDGE

  1921.         pData->options.oscPortUDP = value;

  1922. #endif

  1923.         break;

  1924. 

  1925.     case ENGINE_OPTION_FILE_PATH:

  1926.         CARLA_SAFE_ASSERT_RETURN(value > FILE_NONE,);

  1927.         CARLA_SAFE_ASSERT_RETURN(value <= FILE_MIDI,);

  1928. 

  1929.         switch (value)

  1930.         {

  1931.         case FILE_AUDIO:

  1932.             if (pData->options.pathAudio != nullptr)

  1933.                 delete[] pData->options.pathAudio;

  1934.             if (valueStr != nullptr)

  1935.                 pData->options.pathAudio = carla_strdup_safe(valueStr);

  1936.             else

  1937.                 pData->options.pathAudio = nullptr;

  1938.             break;

  1939.         case FILE_MIDI:

  1940.             if (pData->options.pathMIDI != nullptr)

  1941.                 delete[] pData->options.pathMIDI;

  1942.             if (valueStr != nullptr)

  1943.                 pData->options.pathMIDI = carla_strdup_safe(valueStr);

  1944.             else

  1945.                 pData->options.pathMIDI = nullptr;

  1946.             break;

  1947.         default:

  1948.             return carla_stderr("CarlaEngine::setOption(%i:%s, %i, \"%s\") - Invalid file type",

  1949.                                 option, EngineOption2Str(option), value, valueStr);

  1950.             break;

  1951.         }

  1952.         break;

  1953.     case ENGINE_OPTION_PLUGIN_PATH:

  1954.         CARLA_SAFE_ASSERT_RETURN(value > PLUGIN_NONE,);

  1955.         CARLA_SAFE_ASSERT_RETURN(value <= PLUGIN_SFZ,);

  1956. 

  1957.         switch (value)

  1958.         {

  1959.         case PLUGIN_LADSPA:

  1960.             if (pData->options.pathLADSPA != nullptr)

  1961.                 delete[] pData->options.pathLADSPA;

  1962.             if (valueStr != nullptr)

  1963.                 pData->options.pathLADSPA = carla_strdup_safe(valueStr);

  1964.             else

  1965.                 pData->options.pathLADSPA = nullptr;

  1966.             break;

  1967.         case PLUGIN_DSSI:

  1968.             if (pData->options.pathDSSI != nullptr)

  1969.                 delete[] pData->options.pathDSSI;

  1970.             if (valueStr != nullptr)

  1971.                 pData->options.pathDSSI = carla_strdup_safe(valueStr);

  1972.             else

  1973.                 pData->options.pathDSSI = nullptr;

  1974.             break;

  1975.         case PLUGIN_LV2:

  1976.             if (pData->options.pathLV2 != nullptr)

  1977.                 delete[] pData->options.pathLV2;

  1978.             if (valueStr != nullptr)

  1979.                 pData->options.pathLV2 = carla_strdup_safe(valueStr);

  1980.             else

  1981.                 pData->options.pathLV2 = nullptr;

  1982.             break;

  1983.         case PLUGIN_VST2:

  1984.             if (pData->options.pathVST2 != nullptr)

  1985.                 delete[] pData->options.pathVST2;

  1986.             if (valueStr != nullptr)

  1987.                 pData->options.pathVST2 = carla_strdup_safe(valueStr);

  1988.             else

  1989.                 pData->options.pathVST2 = nullptr;

  1990.             break;

  1991.         case PLUGIN_VST3:

  1992.             if (pData->options.pathVST3 != nullptr)

  1993.                 delete[] pData->options.pathVST3;

  1994.             if (valueStr != nullptr)

  1995.                 pData->options.pathVST3 = carla_strdup_safe(valueStr);

  1996.             else

  1997.                 pData->options.pathVST3 = nullptr;

  1998.             break;

  1999.         case PLUGIN_SF2:

  2000.             if (pData->options.pathSF2 != nullptr)

  2001.                 delete[] pData->options.pathSF2;

  2002.             if (valueStr != nullptr)

  2003.                 pData->options.pathSF2 = carla_strdup_safe(valueStr);

  2004.             else

  2005.                 pData->options.pathSF2 = nullptr;

  2006.             break;

  2007.         case PLUGIN_SFZ:

  2008.             if (pData->options.pathSFZ != nullptr)

  2009.                 delete[] pData->options.pathSFZ;

  2010.             if (valueStr != nullptr)

  2011.                 pData->options.pathSFZ = carla_strdup_safe(valueStr);

  2012.             else

  2013.                 pData->options.pathSFZ = nullptr;

  2014.             break;

  2015.         default:

  2016.             return carla_stderr("CarlaEngine::setOption(%i:%s, %i, \"%s\") - Invalid plugin type",

  2017.                                 option, EngineOption2Str(option), value, valueStr);

  2018.             break;

  2019.         }

  2020.         break;

  2021. 

  2022.     case ENGINE_OPTION_PATH_BINARIES:

  2023.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  2024. 

  2025.         if (pData->options.binaryDir != nullptr)

  2026.             delete[] pData->options.binaryDir;

  2027. 

  2028.         pData->options.binaryDir = carla_strdup_safe(valueStr);

  2029.         break;

  2030. 

  2031.     case ENGINE_OPTION_PATH_RESOURCES:

  2032.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  2033. 

  2034.         if (pData->options.resourceDir != nullptr)

  2035.             delete[] pData->options.resourceDir;

  2036. 

  2037.         pData->options.resourceDir = carla_strdup_safe(valueStr);

  2038.         break;

  2039. 

  2040.     case ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR: {

  2041.         CARLA_SAFE_ASSERT_RETURN(pData->options.binaryDir != nullptr && pData->options.binaryDir[0] != '\0',);

  2042. 

  2043. #ifdef CARLA_OS_LINUX

  2044.         const ScopedEngineEnvironmentLocker _seel(this);

  2045. 

  2046.         if (value != 0)

  2047.         {

  2048.             CarlaString interposerPath(CarlaString(pData->options.binaryDir) + "/libcarla_interposer-safe.so");

  2049.             ::setenv("LD_PRELOAD", interposerPath.buffer(), 1);

  2050.         }

  2051.         else

  2052.         {

  2053.             ::unsetenv("LD_PRELOAD");

  2054.         }

  2055. #endif

  2056.     }   break;

  2057. 

  2058.     case ENGINE_OPTION_FRONTEND_BACKGROUND_COLOR:

  2059.         pData->options.bgColor = static_cast<uint>(value);

  2060.         break;

  2061. 

  2062.     case ENGINE_OPTION_FRONTEND_FOREGROUND_COLOR:

  2063.         pData->options.fgColor = static_cast<uint>(value);

  2064.         break;

  2065. 

  2066.     case ENGINE_OPTION_FRONTEND_UI_SCALE:

  2067.         CARLA_SAFE_ASSERT_RETURN(value > 0,);

  2068.         pData->options.uiScale = static_cast<float>(value) / 1000;

  2069.         break;

  2070. 

  2071.     case ENGINE_OPTION_FRONTEND_WIN_ID: {

  2072.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  2073.         const long long winId(std::strtoll(valueStr, nullptr, 16));

  2074.         CARLA_SAFE_ASSERT_RETURN(winId >= 0,);

  2075.         pData->options.frontendWinId = static_cast<uintptr_t>(winId);

  2076.     }   break;

  2077. 

  2078. #if !defined(BUILD_BRIDGE_ALTERNATIVE_ARCH) && !defined(CARLA_OS_WIN)

  2079.     case ENGINE_OPTION_WINE_EXECUTABLE:

  2080.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  2081. 

  2082.         if (pData->options.wine.executable != nullptr)

  2083.             delete[] pData->options.wine.executable;

  2084. 

  2085.         pData->options.wine.executable = carla_strdup_safe(valueStr);

  2086.         break;

  2087. 

  2088.     case ENGINE_OPTION_WINE_AUTO_PREFIX:

  2089.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  2090.         pData->options.wine.autoPrefix = (value != 0);

  2091.         break;

  2092. 

  2093.     case ENGINE_OPTION_WINE_FALLBACK_PREFIX:

  2094.         CARLA_SAFE_ASSERT_RETURN(valueStr != nullptr && valueStr[0] != '\0',);

  2095. 

  2096.         if (pData->options.wine.fallbackPrefix != nullptr)

  2097.             delete[] pData->options.wine.fallbackPrefix;

  2098. 

  2099.         pData->options.wine.fallbackPrefix = carla_strdup_safe(valueStr);

  2100.         break;

  2101. 

  2102.     case ENGINE_OPTION_WINE_RT_PRIO_ENABLED:

  2103.         CARLA_SAFE_ASSERT_RETURN(value == 0 || value == 1,);

  2104.         pData->options.wine.rtPrio = (value != 0);

  2105.         break;

  2106. 

  2107.     case ENGINE_OPTION_WINE_BASE_RT_PRIO:

  2108.         CARLA_SAFE_ASSERT_RETURN(value >= 1 && value <= 89,);

  2109.         pData->options.wine.baseRtPrio = value;

  2110.         break;

  2111. 

  2112.     case ENGINE_OPTION_WINE_SERVER_RT_PRIO:

  2113.         CARLA_SAFE_ASSERT_RETURN(value >= 1 && value <= 99,);

  2114.         pData->options.wine.serverRtPrio = value;

  2115.         break;

  2116. #endif

  2117. 

  2118.     case ENGINE_OPTION_DEBUG_CONSOLE_OUTPUT:

  2119.         break;

  2120. 

  2121.     case ENGINE_OPTION_CLIENT_NAME_PREFIX:

  2122.         if (pData->options.clientNamePrefix != nullptr)

  2123.             delete[] pData->options.clientNamePrefix;

  2124. 

  2125.         pData->options.clientNamePrefix = valueStr != nullptr && valueStr[0] != '\0'

  2126.                                         ? carla_strdup_safe(valueStr)

  2127.                                         : nullptr;

  2128.         break;

  2129.     }

  2130. }

  2131. 

  2132. #ifndef BUILD_BRIDGE

  2133. // -----------------------------------------------------------------------

  2134. // OSC Stuff

  2135. 

  2136. bool CarlaEngine::isOscControlRegistered() const noexcept

  2137. {

  2138. # ifdef HAVE_LIBLO

  2139.     return pData->osc.isControlRegisteredForTCP();

  2140. # else

  2141.     return false;

  2142. # endif

  2143. }

  2144. 

  2145. const char* CarlaEngine::getOscServerPathTCP() const noexcept

  2146. {

  2147. # ifdef HAVE_LIBLO

  2148.     return pData->osc.getServerPathTCP();

  2149. # else

  2150.     return nullptr;

  2151. # endif

  2152. }

  2153. 

  2154. const char* CarlaEngine::getOscServerPathUDP() const noexcept

  2155. {

  2156. # ifdef HAVE_LIBLO

  2157.     return pData->osc.getServerPathUDP();

  2158. # else

  2159.     return nullptr;

  2160. # endif

  2161. }

  2162. #endif

  2163. 

  2164. // -----------------------------------------------------------------------

  2165. // Internal stuff

  2166. 

  2167. void CarlaEngine::bufferSizeChanged(const uint32_t newBufferSize)

  2168. {

  2169.     carla_debug("CarlaEngine::bufferSizeChanged(%i)", newBufferSize);

  2170. 

  2171. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2172.     if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK ||

  2173.         pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  2174.     {

  2175.         pData->graph.setBufferSize(newBufferSize);

  2176.     }

  2177. #endif

  2178. 

  2179.     pData->time.updateAudioValues(newBufferSize, pData->sampleRate);

  2180. 

  2181.     for (uint i=0; i < pData->curPluginCount; ++i)

  2182.     {

  2183.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  2184.         {

  2185.             if (plugin->isEnabled() && plugin->tryLock(true))

  2186.             {

  2187.                 plugin->bufferSizeChanged(newBufferSize);

  2188.                 plugin->unlock();

  2189.             }

  2190.         }

  2191.     }

  2192. 

  2193.     callback(true, true, ENGINE_CALLBACK_BUFFER_SIZE_CHANGED, 0, static_cast<int>(newBufferSize), 0, 0, 0.0f, nullptr);

  2194. }

  2195. 

  2196. void CarlaEngine::sampleRateChanged(const double newSampleRate)

  2197. {

  2198.     carla_debug("CarlaEngine::sampleRateChanged(%g)", newSampleRate);

  2199. 

  2200. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2201.     if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK ||

  2202.         pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  2203.     {

  2204.         pData->graph.setSampleRate(newSampleRate);

  2205.     }

  2206. #endif

  2207. 

  2208.     pData->time.updateAudioValues(pData->bufferSize, newSampleRate);

  2209. 

  2210.     for (uint i=0; i < pData->curPluginCount; ++i)

  2211.     {

  2212.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  2213.         {

  2214.             if (plugin->isEnabled() && plugin->tryLock(true))

  2215.             {

  2216.                 plugin->sampleRateChanged(newSampleRate);

  2217.                 plugin->unlock();

  2218.             }

  2219.         }

  2220.     }

  2221. 

  2222.     callback(true, true, ENGINE_CALLBACK_SAMPLE_RATE_CHANGED, 0, 0, 0, 0, static_cast<float>(newSampleRate), nullptr);

  2223. }

  2224. 

  2225. void CarlaEngine::offlineModeChanged(const bool isOfflineNow)

  2226. {

  2227.     carla_debug("CarlaEngine::offlineModeChanged(%s)", bool2str(isOfflineNow));

  2228. 

  2229. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2230.     if (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK ||

  2231.         pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  2232.     {

  2233.         pData->graph.setOffline(isOfflineNow);

  2234.     }

  2235. #endif

  2236. 

  2237.     for (uint i=0; i < pData->curPluginCount; ++i)

  2238.     {

  2239.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  2240.             if (plugin->isEnabled())

  2241.                 plugin->offlineModeChanged(isOfflineNow);

  2242.     }

  2243. }

  2244. 

  2245. void CarlaEngine::setPluginPeaksRT(const uint pluginId, float const inPeaks[2], float const outPeaks[2]) noexcept

  2246. {

  2247.     EnginePluginData& pluginData(pData->plugins[pluginId]);

  2248. 

  2249.     pluginData.peaks[0]  = inPeaks[0];

  2250.     pluginData.peaks[1]  = inPeaks[1];

  2251.     pluginData.peaks[2] = outPeaks[0];

  2252.     pluginData.peaks[3] = outPeaks[1];

  2253. }

  2254. 

  2255. void CarlaEngine::saveProjectInternal(water::MemoryOutputStream& outStream) const

  2256. {

  2257.     // send initial prepareForSave first, giving time for bridges to act

  2258.     for (uint i=0; i < pData->curPluginCount; ++i)

  2259.     {

  2260.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  2261.         {

  2262.             if (plugin->isEnabled())

  2263.             {

  2264. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2265.                 // deactivate bridge client-side ping check, since some plugins block during save

  2266.                 if (plugin->getHints() & PLUGIN_IS_BRIDGE)

  2267.                     plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "false", false);

  2268. #endif

  2269.                 plugin->prepareForSave(false);

  2270.             }

  2271.         }

  2272.     }

  2273. 

  2274.     outStream << "<?xml version='1.0' encoding='UTF-8'?>\n";

  2275.     outStream << "<!DOCTYPE CARLA-PROJECT>\n";

  2276.     outStream << "<CARLA-PROJECT VERSION='2.2'";

  2277. 

  2278. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2279.     if (pData->ignoreClientPrefix)

  2280.         outStream << " IgnoreClientPrefix='true'";

  2281. #endif

  2282. 

  2283.     outStream << ">\n";

  2284. 

  2285.     const bool isPlugin(getType() == kEngineTypePlugin);

  2286.     const EngineOptions& options(pData->options);

  2287. 

  2288.     {

  2289.         MemoryOutputStream outSettings(1024);

  2290. 

  2291.         outSettings << " <EngineSettings>\n";

  2292. 

  2293.         outSettings << "  <ForceStereo>"         << bool2str(options.forceStereo)         << "</ForceStereo>\n";

  2294.         outSettings << "  <PreferPluginBridges>" << bool2str(options.preferPluginBridges) << "</PreferPluginBridges>\n";

  2295.         outSettings << "  <PreferUiBridges>"     << bool2str(options.preferUiBridges)     << "</PreferUiBridges>\n";

  2296.         outSettings << "  <UIsAlwaysOnTop>"      << bool2str(options.uisAlwaysOnTop)      << "</UIsAlwaysOnTop>\n";

  2297. 

  2298.         outSettings << "  <MaxParameters>"       << String(options.maxParameters)    << "</MaxParameters>\n";

  2299.         outSettings << "  <UIBridgesTimeout>"    << String(options.uiBridgesTimeout) << "</UIBridgesTimeout>\n";

  2300. 

  2301.         if (isPlugin)

  2302.         {

  2303.             outSettings << "  <LADSPA_PATH>" << xmlSafeString(options.pathLADSPA, true) << "</LADSPA_PATH>\n";

  2304.             outSettings << "  <DSSI_PATH>"   << xmlSafeString(options.pathDSSI,   true) << "</DSSI_PATH>\n";

  2305.             outSettings << "  <LV2_PATH>"    << xmlSafeString(options.pathLV2,    true) << "</LV2_PATH>\n";

  2306.             outSettings << "  <VST2_PATH>"   << xmlSafeString(options.pathVST2,   true) << "</VST2_PATH>\n";

  2307.             outSettings << "  <VST3_PATH>"   << xmlSafeString(options.pathVST3,   true) << "</VST3_PATH>\n";

  2308.             outSettings << "  <SF2_PATH>"    << xmlSafeString(options.pathSF2,    true) << "</SF2_PATH>\n";

  2309.             outSettings << "  <SFZ_PATH>"    << xmlSafeString(options.pathSFZ,    true) << "</SFZ_PATH>\n";

  2310.         }

  2311. 

  2312.         outSettings << " </EngineSettings>\n";

  2313.         outStream << outSettings;

  2314.     }

  2315. 

  2316.     if (pData->timeInfo.bbt.valid && ! isPlugin)

  2317.     {

  2318.         MemoryOutputStream outTransport(128);

  2319. 

  2320.         outTransport << "\n <Transport>\n";

  2321.         // outTransport << "  <BeatsPerBar>"    << pData->timeInfo.bbt.beatsPerBar    << "</BeatsPerBar>\n";

  2322.         outTransport << "  <BeatsPerMinute>" << pData->timeInfo.bbt.beatsPerMinute << "</BeatsPerMinute>\n";

  2323.         outTransport << " </Transport>\n";

  2324.         outStream << outTransport;

  2325.     }

  2326. 

  2327.     char strBuf[STR_MAX+1];

  2328.     carla_zeroChars(strBuf, STR_MAX+1);

  2329. 

  2330.     for (uint i=0; i < pData->curPluginCount; ++i)

  2331.     {

  2332.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  2333.         {

  2334.             if (plugin->isEnabled())

  2335.             {

  2336.                 MemoryOutputStream outPlugin(4096), streamPlugin;

  2337.                 plugin->getStateSave(false).dumpToMemoryStream(streamPlugin);

  2338. 

  2339.                 outPlugin << "\n";

  2340. 

  2341.                 if (plugin->getRealName(strBuf))

  2342.                     outPlugin << " <!-- " << xmlSafeString(strBuf, true) << " -->\n";

  2343. 

  2344.                 outPlugin << " <Plugin>\n";

  2345.                 outPlugin << streamPlugin;

  2346.                 outPlugin << " </Plugin>\n";

  2347.                 outStream << outPlugin;

  2348.             }

  2349.         }

  2350.     }

  2351. 

  2352. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2353.     // tell bridges we're done saving

  2354.     for (uint i=0; i < pData->curPluginCount; ++i)

  2355.     {

  2356.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  2357.             if (plugin->isEnabled() && (plugin->getHints() & PLUGIN_IS_BRIDGE) != 0)

  2358.                 plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "true", false);

  2359.     }

  2360. 

  2361.     // save internal connections

  2362.     if (pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY)

  2363.     {

  2364.         uint posCount = 0;

  2365.         const char* const* const patchbayConns = getPatchbayConnections(false);

  2366.         const PatchbayPosition* const patchbayPos = getPatchbayPositions(false, posCount);

  2367. 

  2368.         if (patchbayConns != nullptr || patchbayPos != nullptr)

  2369.         {

  2370.             MemoryOutputStream outPatchbay(2048);

  2371. 

  2372.             outPatchbay << "\n <Patchbay>\n";

  2373. 

  2374.             if (patchbayConns != nullptr)

  2375.             {

  2376.                 for (int i=0; patchbayConns[i] != nullptr && patchbayConns[i+1] != nullptr; ++i, ++i)

  2377.                 {

  2378.                     const char* const connSource(patchbayConns[i]);

  2379.                     const char* const connTarget(patchbayConns[i+1]);

  2380. 

  2381.                     CARLA_SAFE_ASSERT_CONTINUE(connSource != nullptr && connSource[0] != '\0');

  2382.                     CARLA_SAFE_ASSERT_CONTINUE(connTarget != nullptr && connTarget[0] != '\0');

  2383. 

  2384.                     outPatchbay << "  <Connection>\n";

  2385.                     outPatchbay << "   <Source>" << xmlSafeString(connSource, true) << "</Source>\n";

  2386.                     outPatchbay << "   <Target>" << xmlSafeString(connTarget, true) << "</Target>\n";

  2387.                     outPatchbay << "  </Connection>\n";

  2388.                 }

  2389.             }

  2390. 

  2391.             if (patchbayPos != nullptr && posCount != 0)

  2392.             {

  2393.                 outPatchbay << "  <Positions>\n";

  2394. 

  2395.                 for (uint i=0; i<posCount; ++i)

  2396.                 {

  2397.                     const PatchbayPosition& ppos(patchbayPos[i]);

  2398. 

  2399.                     CARLA_SAFE_ASSERT_CONTINUE(ppos.name != nullptr && ppos.name[0] != '\0');

  2400. 

  2401.                     outPatchbay << "   <Position x1=\"" << ppos.x1 << "\" y1=\"" << ppos.y1;

  2402.                     if (ppos.x2 != 0 || ppos.y2 != 0)

  2403.                         outPatchbay << "\" x2=\"" << ppos.x2 << "\" y2=\"" << ppos.y2;

  2404.                     if (ppos.pluginId >= 0)

  2405.                         outPatchbay << "\" pluginId=\"" << ppos.pluginId;

  2406.                     outPatchbay << "\">\n";

  2407.                     outPatchbay << "    <Name>" << xmlSafeString(ppos.name, true) << "</Name>\n";

  2408.                     outPatchbay << "   </Position>\n";

  2409. 

  2410.                     if (ppos.dealloc)

  2411.                         delete[] ppos.name;

  2412.                 }

  2413. 

  2414.                 outPatchbay << "  </Positions>\n";

  2415.             }

  2416. 

  2417.             outPatchbay << " </Patchbay>\n";

  2418.             outStream << outPatchbay;

  2419. 

  2420.             delete[] patchbayPos;

  2421.         }

  2422. 

  2423.     }

  2424. 

  2425.     // if we're running inside some session-manager (and using JACK), let them handle the connections

  2426.     bool saveExternalConnections, saveExternalPositions = true;

  2427. 

  2428.     /**/ if (isPlugin)

  2429.     {

  2430.         saveExternalConnections = false;

  2431.         saveExternalPositions = false;

  2432.     }

  2433.     else if (std::strcmp(getCurrentDriverName(), "JACK") != 0)

  2434.     {

  2435.         saveExternalConnections = true;

  2436.     }

  2437.     else if (std::getenv("CARLA_DONT_MANAGE_CONNECTIONS") != nullptr)

  2438.     {

  2439.         saveExternalConnections = false;

  2440.     }

  2441.     else

  2442.     {

  2443.         saveExternalConnections = true;

  2444.     }

  2445. 

  2446.     if (saveExternalConnections || saveExternalPositions)

  2447.     {

  2448.         uint posCount = 0;

  2449.         const char* const* const patchbayConns = saveExternalConnections

  2450.                                                ? getPatchbayConnections(true)

  2451.                                                : nullptr;

  2452.         const PatchbayPosition* const patchbayPos = saveExternalPositions

  2453.                                                   ? getPatchbayPositions(true, posCount)

  2454.                                                   : nullptr;

  2455. 

  2456.         if (patchbayConns != nullptr || patchbayPos != nullptr)

  2457.         {

  2458.             MemoryOutputStream outPatchbay(2048);

  2459. 

  2460.             outPatchbay << "\n <ExternalPatchbay>\n";

  2461. 

  2462.             if (patchbayConns != nullptr)

  2463.             {

  2464.                 for (int i=0; patchbayConns[i] != nullptr && patchbayConns[i+1] != nullptr; ++i, ++i )

  2465.                 {

  2466.                     const char* const connSource(patchbayConns[i]);

  2467.                     const char* const connTarget(patchbayConns[i+1]);

  2468. 

  2469.                     CARLA_SAFE_ASSERT_CONTINUE(connSource != nullptr && connSource[0] != '\0');

  2470.                     CARLA_SAFE_ASSERT_CONTINUE(connTarget != nullptr && connTarget[0] != '\0');

  2471. 

  2472.                     outPatchbay << "  <Connection>\n";

  2473.                     outPatchbay << "   <Source>" << xmlSafeString(connSource, true) << "</Source>\n";

  2474.                     outPatchbay << "   <Target>" << xmlSafeString(connTarget, true) << "</Target>\n";

  2475.                     outPatchbay << "  </Connection>\n";

  2476.                 }

  2477.             }

  2478. 

  2479.             if (patchbayPos != nullptr && posCount != 0)

  2480.             {

  2481.                 outPatchbay << "  <Positions>\n";

  2482. 

  2483.                 for (uint i=0; i<posCount; ++i)

  2484.                 {

  2485.                     const PatchbayPosition& ppos(patchbayPos[i]);

  2486. 

  2487.                     CARLA_SAFE_ASSERT_CONTINUE(ppos.name != nullptr && ppos.name[0] != '\0');

  2488. 

  2489.                     outPatchbay << "   <Position x1=\"" << ppos.x1 << "\" y1=\"" << ppos.y1;

  2490.                     if (ppos.x2 != 0 || ppos.y2 != 0)

  2491.                         outPatchbay << "\" x2=\"" << ppos.x2 << "\" y2=\"" << ppos.y2;

  2492.                     if (ppos.pluginId >= 0)

  2493.                         outPatchbay << "\" pluginId=\"" << ppos.pluginId;

  2494.                     outPatchbay << "\">\n";

  2495.                     outPatchbay << "    <Name>" << xmlSafeString(ppos.name, true) << "</Name>\n";

  2496.                     outPatchbay << "   </Position>\n";

  2497. 

  2498.                     if (ppos.dealloc)

  2499.                         delete[] ppos.name;

  2500.                 }

  2501. 

  2502.                 outPatchbay << "  </Positions>\n";

  2503.             }

  2504. 

  2505.             outPatchbay << " </ExternalPatchbay>\n";

  2506.             outStream << outPatchbay;

  2507.         }

  2508.     }

  2509. #endif

  2510. 

  2511.     outStream << "</CARLA-PROJECT>\n";

  2512. }

  2513. 

  2514. static String findBinaryInCustomPath(const char* const searchPath, const char* const binary)

  2515. {

  2516.     const StringArray searchPaths(StringArray::fromTokens(searchPath, CARLA_OS_SPLIT_STR, ""));

  2517. 

  2518.     // try direct filename first

  2519.     String jbinary(binary);

  2520. 

  2521.     // adjust for current platform

  2522. #ifdef CARLA_OS_WIN

  2523.     if (jbinary[0] == '/')

  2524.         jbinary = "C:" + jbinary.replaceCharacter('/', '\\');

  2525. #else

  2526.     if (jbinary[1] == ':' && (jbinary[2] == '\\' || jbinary[2] == '/'))

  2527.         jbinary = jbinary.substring(2).replaceCharacter('\\', '/');

  2528. #endif

  2529. 

  2530.     String filename = File(jbinary).getFileName();

  2531. 

  2532.     int searchFlags = File::findFiles|File::ignoreHiddenFiles;

  2533. #ifdef CARLA_OS_MAC

  2534.     if (filename.endsWithIgnoreCase(".vst") || filename.endsWithIgnoreCase(".vst3"))

  2535.         searchFlags |= File::findDirectories;

  2536. #endif

  2537. 

  2538.     Array<File> results;

  2539.     for (const String *it=searchPaths.begin(), *end=searchPaths.end(); it != end; ++it)

  2540.     {

  2541.         const File path(*it);

  2542. 

  2543.         results.clear();

  2544.         path.findChildFiles(results, searchFlags, true, filename);

  2545. 

  2546.         if (results.size() > 0)

  2547.             return results.getFirst().getFullPathName();

  2548.     }

  2549. 

  2550.     // try changing extension

  2551. #if defined(CARLA_OS_MAC)

  2552.     if (filename.endsWithIgnoreCase(".dll") || filename.endsWithIgnoreCase(".so"))

  2553.         filename = File(jbinary).getFileNameWithoutExtension() + ".dylib";

  2554. #elif defined(CARLA_OS_WIN)

  2555.     if (filename.endsWithIgnoreCase(".dylib") || filename.endsWithIgnoreCase(".so"))

  2556.         filename = File(jbinary).getFileNameWithoutExtension() + ".dll";

  2557. #else

  2558.     if (filename.endsWithIgnoreCase(".dll") || filename.endsWithIgnoreCase(".dylib"))

  2559.         filename = File(jbinary).getFileNameWithoutExtension() + ".so";

  2560. #endif

  2561.     else

  2562.         return String();

  2563. 

  2564.     for (const String *it=searchPaths.begin(), *end=searchPaths.end(); it != end; ++it)

  2565.     {

  2566.         const File path(*it);

  2567. 

  2568.         results.clear();

  2569.         path.findChildFiles(results, searchFlags, true, filename);

  2570. 

  2571.         if (results.size() > 0)

  2572.             return results.getFirst().getFullPathName();

  2573.     }

  2574. 

  2575.     return String();

  2576. }

  2577. 

  2578. bool CarlaEngine::loadProjectInternal(water::XmlDocument& xmlDoc, const bool alwaysLoadConnections)

  2579. {

  2580.     carla_debug("CarlaEngine::loadProjectInternal(%p, %s) - START", &xmlDoc, bool2str(alwaysLoadConnections));

  2581. 

  2582.     CarlaScopedPointer<XmlElement> xmlElement(xmlDoc.getDocumentElement(true));

  2583.     CARLA_SAFE_ASSERT_RETURN_ERR(xmlElement != nullptr, "Failed to parse project file");

  2584. 

  2585.     const String& xmlType(xmlElement->getTagName());

  2586.     const bool isPreset(xmlType.equalsIgnoreCase("carla-preset"));

  2587. 

  2588.     if (! (xmlType.equalsIgnoreCase("carla-project") || isPreset))

  2589.     {

  2590.         callback(true, true, ENGINE_CALLBACK_PROJECT_LOAD_FINISHED, 0, 0, 0, 0, 0.0f, nullptr);

  2591.         setLastError("Not a valid Carla project or preset file");

  2592.         return false;

  2593.     }

  2594. 

  2595.     pData->actionCanceled = false;

  2596.     callback(true, true, ENGINE_CALLBACK_CANCELABLE_ACTION, 0, 1, 0, 0, 0.0f, "Loading project");

  2597. 

  2598. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2599.     if (pData->options.clientNamePrefix != nullptr)

  2600.     {

  2601.         if (carla_isEqual(xmlElement->getDoubleAttribute("VERSION", 0.0), 2.0) ||

  2602.             xmlElement->getBoolAttribute("IgnoreClientPrefix", false))

  2603.         {

  2604.             carla_stdout("Loading project in compatibility mode, will ignore client name prefix");

  2605.             pData->ignoreClientPrefix = true;

  2606.             setOption(ENGINE_OPTION_CLIENT_NAME_PREFIX, 0, "");

  2607.         }

  2608.     }

  2609. 

  2610.     const CarlaScopedValueSetter<bool> csvs(pData->loadingProject, true, false);

  2611. #endif

  2612. 

  2613.     // completely load file

  2614.     xmlElement = xmlDoc.getDocumentElement(false);

  2615.     CARLA_SAFE_ASSERT_RETURN_ERR(xmlElement != nullptr, "Failed to completely parse project file");

  2616. 

  2617.     if (pData->aboutToClose)

  2618.         return true;

  2619. 

  2620.     if (pData->actionCanceled)

  2621.     {

  2622.         setLastError("Project load canceled");

  2623.         return false;

  2624.     }

  2625. 

  2626.     callback(true, false, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  2627. 

  2628. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2629.     const bool isMultiClient = pData->options.processMode == ENGINE_PROCESS_MODE_MULTIPLE_CLIENTS;

  2630.     const bool isPatchbay    = pData->options.processMode == ENGINE_PROCESS_MODE_PATCHBAY;

  2631. #endif

  2632.     const bool isPlugin = getType() == kEngineTypePlugin;

  2633. 

  2634.     // load engine settings first of all

  2635.     if (XmlElement* const elem = isPreset ? nullptr : xmlElement->getChildByName("EngineSettings"))

  2636.     {

  2637.         for (XmlElement* settElem = elem->getFirstChildElement(); settElem != nullptr; settElem = settElem->getNextElement())

  2638.         {

  2639.             const String& tag(settElem->getTagName());

  2640.             const String  text(settElem->getAllSubText().trim());

  2641. 

  2642.             /** some settings might be incorrect or require extra work,

  2643.                 so we call setOption rather than modifying them direly */

  2644. 

  2645.             int option = -1;

  2646.             int value  = 0;

  2647.             const char* valueStr = nullptr;

  2648. 

  2649.             /**/ if (tag == "ForceStereo")

  2650.             {

  2651.                 option = ENGINE_OPTION_FORCE_STEREO;

  2652.                 value  = text == "true" ? 1 : 0;

  2653.             }

  2654.             else if (tag == "PreferPluginBridges")

  2655.             {

  2656.                 option = ENGINE_OPTION_PREFER_PLUGIN_BRIDGES;

  2657.                 value  = text == "true" ? 1 : 0;

  2658.             }

  2659.             else if (tag == "PreferUiBridges")

  2660.             {

  2661.                 option = ENGINE_OPTION_PREFER_UI_BRIDGES;

  2662.                 value  = text == "true" ? 1 : 0;

  2663.             }

  2664.             else if (tag == "UIsAlwaysOnTop")

  2665.             {

  2666.                 option = ENGINE_OPTION_UIS_ALWAYS_ON_TOP;

  2667.                 value  = text == "true" ? 1 : 0;

  2668.             }

  2669.             else if (tag == "MaxParameters")

  2670.             {

  2671.                 option = ENGINE_OPTION_MAX_PARAMETERS;

  2672.                 value  = text.getIntValue();

  2673.             }

  2674.             else if (tag == "UIBridgesTimeout")

  2675.             {

  2676.                 option = ENGINE_OPTION_UI_BRIDGES_TIMEOUT;

  2677.                 value  = text.getIntValue();

  2678.             }

  2679.             else if (isPlugin)

  2680.             {

  2681.                 /**/ if (tag == "LADSPA_PATH")

  2682.                 {

  2683.                     option   = ENGINE_OPTION_PLUGIN_PATH;

  2684.                     value    = PLUGIN_LADSPA;

  2685.                     valueStr = text.toRawUTF8();

  2686.                 }

  2687.                 else if (tag == "DSSI_PATH")

  2688.                 {

  2689.                     option   = ENGINE_OPTION_PLUGIN_PATH;

  2690.                     value    = PLUGIN_DSSI;

  2691.                     valueStr = text.toRawUTF8();

  2692.                 }

  2693.                 else if (tag == "LV2_PATH")

  2694.                 {

  2695.                     option   = ENGINE_OPTION_PLUGIN_PATH;

  2696.                     value    = PLUGIN_LV2;

  2697.                     valueStr = text.toRawUTF8();

  2698.                 }

  2699.                 else if (tag == "VST2_PATH")

  2700.                 {

  2701.                     option   = ENGINE_OPTION_PLUGIN_PATH;

  2702.                     value    = PLUGIN_VST2;

  2703.                     valueStr = text.toRawUTF8();

  2704.                 }

  2705.                 else if (tag.equalsIgnoreCase("VST3_PATH"))

  2706.                 {

  2707.                     option   = ENGINE_OPTION_PLUGIN_PATH;

  2708.                     value    = PLUGIN_VST3;

  2709.                     valueStr = text.toRawUTF8();

  2710.                 }

  2711.                 else if (tag == "SF2_PATH")

  2712.                 {

  2713.                     option   = ENGINE_OPTION_PLUGIN_PATH;

  2714.                     value    = PLUGIN_SF2;

  2715.                     valueStr = text.toRawUTF8();

  2716.                 }

  2717.                 else if (tag == "SFZ_PATH")

  2718.                 {

  2719.                     option   = ENGINE_OPTION_PLUGIN_PATH;

  2720.                     value    = PLUGIN_SFZ;

  2721.                     valueStr = text.toRawUTF8();

  2722.                 }

  2723.             }

  2724. 

  2725.             if (option == -1)

  2726.             {

  2727.                 // check old stuff, unhandled now

  2728.                 if (tag == "GIG_PATH")

  2729.                     continue;

  2730.                 // ignored tags

  2731.                 if (tag == "LADSPA_PATH" || tag == "DSSI_PATH" || tag == "LV2_PATH" || tag == "VST2_PATH")

  2732.                     continue;

  2733.                 if (tag == "VST3_PATH" || tag == "AU_PATH")

  2734.                     continue;

  2735.                 if (tag == "SF2_PATH" || tag == "SFZ_PATH")

  2736.                     continue;

  2737. 

  2738.                 // hmm something is wrong..

  2739.                 carla_stderr2("CarlaEngine::loadProjectInternal() - Unhandled option '%s'", tag.toRawUTF8());

  2740.                 continue;

  2741.             }

  2742. 

  2743.             setOption(static_cast<EngineOption>(option), value, valueStr);

  2744.         }

  2745. 

  2746.         if (pData->aboutToClose)

  2747.             return true;

  2748. 

  2749.         if (pData->actionCanceled)

  2750.         {

  2751.             setLastError("Project load canceled");

  2752.             return false;

  2753.         }

  2754.     }

  2755. 

  2756.     // now setup transport

  2757.     if (XmlElement* const elem = (isPreset || isPlugin) ? nullptr : xmlElement->getChildByName("Transport"))

  2758.     {

  2759.         if (XmlElement* const bpmElem = elem->getChildByName("BeatsPerMinute"))

  2760.         {

  2761.             const String bpmText(bpmElem->getAllSubText().trim());

  2762.             const double bpm = bpmText.getDoubleValue();

  2763. 

  2764.             // some sane limits

  2765.             if (bpm >= 20.0 && bpm < 400.0)

  2766.                 pData->time.setBPM(bpm);

  2767. 

  2768.             if (pData->aboutToClose)

  2769.                 return true;

  2770. 

  2771.             if (pData->actionCanceled)

  2772.             {

  2773.                 setLastError("Project load canceled");

  2774.                 return false;

  2775.             }

  2776.         }

  2777.     }

  2778. 

  2779.     // and we handle plugins

  2780.     for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement())

  2781.     {

  2782.         const String& tagName(elem->getTagName());

  2783. 

  2784.         if (isPreset || tagName == "Plugin")

  2785.         {

  2786.             CarlaStateSave stateSave;

  2787.             stateSave.fillFromXmlElement(isPreset ? xmlElement.get() : elem);

  2788. 

  2789.             if (pData->aboutToClose)

  2790.                 return true;

  2791. 

  2792.             if (pData->actionCanceled)

  2793.             {

  2794.                 setLastError("Project load canceled");

  2795.                 return false;

  2796.             }

  2797. 

  2798.             CARLA_SAFE_ASSERT_CONTINUE(stateSave.type != nullptr);

  2799. 

  2800. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  2801.             // compatibility code to load projects with GIG files

  2802.             // FIXME Remove on 2.1 release

  2803.             if (std::strcmp(stateSave.type, "GIG") == 0)

  2804.             {

  2805.                 if (addPlugin(PLUGIN_LV2, "", stateSave.name, "http://linuxsampler.org/plugins/linuxsampler", 0, nullptr))

  2806.                 {

  2807.                     const uint pluginId = pData->curPluginCount;

  2808. 

  2809.                     if (const CarlaPluginPtr plugin = pData->plugins[pluginId].plugin)

  2810.                     {

  2811.                         if (pData->aboutToClose)

  2812.                             return true;

  2813. 

  2814.                         if (pData->actionCanceled)

  2815.                         {

  2816.                             setLastError("Project load canceled");

  2817.                             return false;

  2818.                         }

  2819. 

  2820.                         String lsState;

  2821.                         lsState << "0.35\n";

  2822.                         lsState << "18 0 Chromatic\n";

  2823.                         lsState << "18 1 Drum Kits\n";

  2824.                         lsState << "20 0\n";

  2825.                         lsState << "0 1 " << stateSave.binary << "\n";

  2826.                         lsState << "0 0 0 0 1 0 GIG\n";

  2827. 

  2828.                         plugin->setCustomData(LV2_ATOM__String, "http://linuxsampler.org/schema#state-string", lsState.toRawUTF8(), true);

  2829.                         plugin->restoreLV2State(true);

  2830. 

  2831.                         plugin->setDryWet(stateSave.dryWet, true, true);

  2832.                         plugin->setVolume(stateSave.volume, true, true);

  2833.                         plugin->setBalanceLeft(stateSave.balanceLeft, true, true);

  2834.                         plugin->setBalanceRight(stateSave.balanceRight, true, true);

  2835.                         plugin->setPanning(stateSave.panning, true, true);

  2836.                         plugin->setCtrlChannel(stateSave.ctrlChannel, true, true);

  2837.                         plugin->setActive(stateSave.active, true, true);

  2838.                         plugin->setEnabled(true);

  2839. 

  2840.                         ++pData->curPluginCount;

  2841.                         callback(true, true, ENGINE_CALLBACK_PLUGIN_ADDED, pluginId, 0, 0, 0, 0.0f, plugin->getName());

  2842. 

  2843.                         if (isPatchbay)

  2844.                             pData->graph.addPlugin(plugin);

  2845.                     }

  2846.                     else

  2847.                     {

  2848.                         carla_stderr2("Failed to get new plugin, state will not be restored correctly\n");

  2849.                     }

  2850.                 }

  2851.                 else

  2852.                 {

  2853.                     carla_stderr2("Failed to load a linuxsampler LV2 plugin, GIG file won't be loaded");

  2854.                 }

  2855. 

  2856.                 callback(true, true, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  2857.                 continue;

  2858.             }

  2859. # ifdef SFZ_FILES_USING_SFIZZ

  2860.             if (std::strcmp(stateSave.type, "SFZ") == 0)

  2861.             {

  2862.                 if (addPlugin(PLUGIN_LV2, "", stateSave.name, "http://sfztools.github.io/sfizz", 0, nullptr))

  2863.                 {

  2864.                     const uint pluginId = pData->curPluginCount;

  2865. 

  2866.                     if (const CarlaPluginPtr plugin = pData->plugins[pluginId].plugin)

  2867.                     {

  2868.                         if (pData->aboutToClose)

  2869.                             return true;

  2870. 

  2871.                         if (pData->actionCanceled)

  2872.                         {

  2873.                             setLastError("Project load canceled");

  2874.                             return false;

  2875.                         }

  2876. 

  2877.                         plugin->setCustomData(LV2_ATOM__Path,

  2878.                                               "http://sfztools.github.io/sfizz:sfzfile",

  2879.                                               stateSave.binary,

  2880.                                               false);

  2881. 

  2882.                         plugin->restoreLV2State(true);

  2883. 

  2884.                         plugin->setDryWet(stateSave.dryWet, true, true);

  2885.                         plugin->setVolume(stateSave.volume, true, true);

  2886.                         plugin->setBalanceLeft(stateSave.balanceLeft, true, true);

  2887.                         plugin->setBalanceRight(stateSave.balanceRight, true, true);

  2888.                         plugin->setPanning(stateSave.panning, true, true);

  2889.                         plugin->setCtrlChannel(stateSave.ctrlChannel, true, true);

  2890.                         plugin->setActive(stateSave.active, true, true);

  2891.                         plugin->setEnabled(true);

  2892. 

  2893.                         ++pData->curPluginCount;

  2894.                         callback(true, true, ENGINE_CALLBACK_PLUGIN_ADDED, pluginId, 0, 0, 0, 0.0f, plugin->getName());

  2895. 

  2896.                         if (isPatchbay)

  2897.                             pData->graph.addPlugin(plugin);

  2898.                     }

  2899.                     else

  2900.                     {

  2901.                         carla_stderr2("Failed to get new plugin, state will not be restored correctly\n");

  2902.                     }

  2903.                 }

  2904.                 else

  2905.                 {

  2906.                     carla_stderr2("Failed to load a sfizz LV2 plugin, SFZ file won't be loaded");

  2907.                 }

  2908. 

  2909.                 callback(true, true, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  2910.                 continue;

  2911.             }

  2912. # endif

  2913. #endif

  2914. 

  2915.             const void* extraStuff    = nullptr;

  2916.             static const char kTrue[] = "true";

  2917. 

  2918.             const PluginType ptype(getPluginTypeFromString(stateSave.type));

  2919. 

  2920.             switch (ptype)

  2921.             {

  2922.             case PLUGIN_SF2:

  2923.                 if (CarlaString(stateSave.label).endsWith(" (16 outs)"))

  2924.                     extraStuff = kTrue;

  2925.                 // fall through

  2926.             case PLUGIN_LADSPA:

  2927.             case PLUGIN_DSSI:

  2928.             case PLUGIN_VST2:

  2929.             case PLUGIN_VST3:

  2930.             case PLUGIN_SFZ:

  2931.                 if (stateSave.binary != nullptr && stateSave.binary[0] != '\0' &&

  2932.                     ! (File::isAbsolutePath(stateSave.binary) && File(stateSave.binary).exists()))

  2933.                 {

  2934.                     const char* searchPath;

  2935. 

  2936.                     switch (ptype)

  2937.                     {

  2938.                     case PLUGIN_LADSPA: searchPath = pData->options.pathLADSPA; break;

  2939.                     case PLUGIN_DSSI:   searchPath = pData->options.pathDSSI;   break;

  2940.                     case PLUGIN_VST2:   searchPath = pData->options.pathVST2;   break;

  2941.                     case PLUGIN_VST3:   searchPath = pData->options.pathVST3;   break;

  2942.                     case PLUGIN_SF2:    searchPath = pData->options.pathSF2;    break;

  2943.                     case PLUGIN_SFZ:    searchPath = pData->options.pathSFZ;    break;

  2944.                     default:            searchPath = nullptr;                   break;

  2945.                     }

  2946. 

  2947.                     if (searchPath != nullptr && searchPath[0] != '\0')

  2948.                     {

  2949.                         carla_stderr("Plugin binary '%s' doesn't exist on this filesystem, let's look for it...",

  2950.                                      stateSave.binary);

  2951. 

  2952.                         String result = findBinaryInCustomPath(searchPath, stateSave.binary);

  2953. 

  2954.                         if (result.isEmpty())

  2955.                         {

  2956.                             switch (ptype)

  2957.                             {

  2958.                             case PLUGIN_LADSPA: searchPath = std::getenv("LADSPA_PATH"); break;

  2959.                             case PLUGIN_DSSI:   searchPath = std::getenv("DSSI_PATH");   break;

  2960.                             case PLUGIN_VST2:   searchPath = std::getenv("VST_PATH");    break;

  2961.                             case PLUGIN_VST3:   searchPath = std::getenv("VST3_PATH");   break;

  2962.                             case PLUGIN_SF2:    searchPath = std::getenv("SF2_PATH");    break;

  2963.                             case PLUGIN_SFZ:    searchPath = std::getenv("SFZ_PATH");    break;

  2964.                             default:            searchPath = nullptr;                    break;

  2965.                             }

  2966. 

  2967.                             if (searchPath != nullptr && searchPath[0] != '\0')

  2968.                                 result = findBinaryInCustomPath(searchPath, stateSave.binary);

  2969.                         }

  2970. 

  2971.                         if (result.isNotEmpty())

  2972.                         {

  2973.                             delete[] stateSave.binary;

  2974.                             stateSave.binary = carla_strdup(result.toRawUTF8());

  2975.                             carla_stderr("Found it! :)");

  2976.                         }

  2977.                         else

  2978.                         {

  2979.                             carla_stderr("Damn, we failed... :(");

  2980.                         }

  2981. 

  2982.                         callback(true, true, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  2983.                     }

  2984.                 }

  2985.                 break;

  2986.             default:

  2987.                 break;

  2988.             }

  2989. 

  2990.             BinaryType btype;

  2991. 

  2992.             switch (ptype)

  2993.             {

  2994.             case PLUGIN_LADSPA:

  2995.             case PLUGIN_DSSI:

  2996.             case PLUGIN_LV2:

  2997.             case PLUGIN_VST2:

  2998.             case PLUGIN_VST3:

  2999.                 btype = getBinaryTypeFromFile(stateSave.binary);

  3000.                 break;

  3001.             default:

  3002.                 btype = BINARY_NATIVE;

  3003.                 break;

  3004.             }

  3005. 

  3006.             if (addPlugin(btype, ptype, stateSave.binary,

  3007.                           stateSave.name, stateSave.label, stateSave.uniqueId, extraStuff, stateSave.options))

  3008.             {

  3009. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  3010.                 const uint pluginId = pData->curPluginCount;

  3011. #else

  3012.                 const uint pluginId = 0;

  3013. #endif

  3014. 

  3015.                 if (const CarlaPluginPtr plugin = pData->plugins[pluginId].plugin)

  3016.                 {

  3017.                     if (pData->aboutToClose)

  3018.                         return true;

  3019. 

  3020.                     if (pData->actionCanceled)

  3021.                     {

  3022.                         setLastError("Project load canceled");

  3023.                         return false;

  3024.                     }

  3025. 

  3026.                     // deactivate bridge client-side ping check, since some plugins block during load

  3027.                     if ((plugin->getHints() & PLUGIN_IS_BRIDGE) != 0 && ! isPreset)

  3028.                         plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "false", false);

  3029. 

  3030.                     plugin->loadStateSave(stateSave);

  3031. 

  3032.                     /* NOTE: The following code is the same as the end of addPlugin().

  3033.                      *       When project is loading we do not enable the plugin right away,

  3034.                      *        as we want to load state first.

  3035.                      */

  3036.                     plugin->setEnabled(true);

  3037. 

  3038.                     ++pData->curPluginCount;

  3039.                     callback(true, true, ENGINE_CALLBACK_PLUGIN_ADDED, pluginId, 0, 0, 0, 0.0f, plugin->getName());

  3040. 

  3041. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  3042.                     if (isPatchbay)

  3043.                         pData->graph.addPlugin(plugin);

  3044. #endif

  3045.                 }

  3046.                 else

  3047.                 {

  3048.                     carla_stderr2("Failed to get new plugin, state will not be restored correctly\n");

  3049.                 }

  3050.             }

  3051.             else

  3052.             {

  3053.                 carla_stderr2("Failed to load a plugin '%s', error was:\n%s", stateSave.name, getLastError());

  3054.             }

  3055. 

  3056.             if (! isPreset)

  3057.                 callback(true, true, ENGINE_CALLBACK_IDLE, 0, 0, 0, 0, 0.0f, nullptr);

  3058.         }

  3059. 

  3060.         if (isPreset)

  3061.         {

  3062.             callback(true, true, ENGINE_CALLBACK_PROJECT_LOAD_FINISHED, 0, 0, 0, 0, 0.0f, nullptr);

  3063.             callback(true, true, ENGINE_CALLBACK_CANCELABLE_ACTION, 0, 0, 0, 0, 0.0f, "Loading project");

  3064.             return true;

  3065.         }

  3066.     }

  3067. 

  3068. #ifndef BUILD_BRIDGE_ALTERNATIVE_ARCH

  3069.     // tell bridges we're done loading

  3070.     for (uint i=0; i < pData->curPluginCount; ++i)

  3071.     {

  3072.         if (const CarlaPluginPtr plugin = pData->plugins[i].plugin)

  3073.             if (plugin->isEnabled() && (plugin->getHints() & PLUGIN_IS_BRIDGE) != 0)

  3074.                 plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, "__CarlaPingOnOff__", "true", false);

  3075.     }

  3076. 

  3077.     if (pData->aboutToClose)

  3078.         return true;

  3079. 

  3080.     if (pData->actionCanceled)

  3081.     {

  3082.         setLastError("Project load canceled");

  3083.         return false;

  3084.     }

  3085. 

  3086.     // now we handle positions

  3087.     bool loadingAsExternal;

  3088.     std::map<water::String, water::String> mapGroupNamesInternal, mapGroupNamesExternal;

  3089. 

  3090.     bool hasInternalPositions = false;

  3091. 

  3092.     if (XmlElement* const elemPatchbay = xmlElement->getChildByName("Patchbay"))

  3093.     {

  3094.         hasInternalPositions = true;

  3095. 

  3096.         if (XmlElement* const elemPositions = elemPatchbay->getChildByName("Positions"))

  3097.         {

  3098.             String name;

  3099.             PatchbayPosition ppos = { nullptr, -1, 0, 0, 0, 0, false };

  3100. 

  3101.             for (XmlElement* patchElem = elemPositions->getFirstChildElement(); patchElem != nullptr; patchElem = patchElem->getNextElement())

  3102.             {

  3103.                 const String& patchTag(patchElem->getTagName());

  3104. 

  3105.                 if (patchTag != "Position")

  3106.                     continue;

  3107. 

  3108.                 XmlElement* const patchName = patchElem->getChildByName("Name");

  3109.                 CARLA_SAFE_ASSERT_CONTINUE(patchName != nullptr);

  3110. 

  3111.                 const String nameText(patchName->getAllSubText().trim());

  3112.                 name = xmlSafeString(nameText, false);

  3113. 

  3114.                 ppos.name = name.toRawUTF8();

  3115.                 ppos.x1 = patchElem->getIntAttribute("x1");

  3116.                 ppos.y1 = patchElem->getIntAttribute("y1");

  3117.                 ppos.x2 = patchElem->getIntAttribute("x2");

  3118.                 ppos.y2 = patchElem->getIntAttribute("y2");

  3119.                 ppos.pluginId = patchElem->getIntAttribute("pluginId", -1);

  3120.                 ppos.dealloc = false;

  3121. 

  3122.                 loadingAsExternal = ppos.pluginId >= 0 && isMultiClient;

  3123. 

  3124.                 if (name.isNotEmpty() && restorePatchbayGroupPosition(loadingAsExternal, ppos))

  3125.                 {

  3126.                     if (name != ppos.name)

  3127.                     {

  3128.                         carla_stdout("Converted client name '%s' to '%s' for this session",

  3129.                                      name.toRawUTF8(), ppos.name);

  3130.                         if (loadingAsExternal)

  3131.                             mapGroupNamesExternal[name] = ppos.name;

  3132.                         else

  3133.                             mapGroupNamesInternal[name] = ppos.name;

  3134.                     }

  3135. 

  3136.                     if (ppos.dealloc)

  3137.                         std::free(const_cast<char*>(ppos.name));

  3138.                 }

  3139.             }

  3140. 

  3141.             if (pData->aboutToClose)

  3142.                 return true;

  3143. 

  3144.             if (pData->actionCanceled)

  3145.             {

  3146.                 setLastError("Project load canceled");

  3147.                 return false;

  3148.             }

  3149.         }

  3150.     }

  3151. 

  3152.     if (XmlElement* const elemPatchbay = xmlElement->getChildByName("ExternalPatchbay"))

  3153.     {

  3154.         if (XmlElement* const elemPositions = elemPatchbay->getChildByName("Positions"))

  3155.         {

  3156.             String name;

  3157.             PatchbayPosition ppos = { nullptr, -1, 0, 0, 0, 0, false };

  3158. 

  3159.             for (XmlElement* patchElem = elemPositions->getFirstChildElement(); patchElem != nullptr; patchElem = patchElem->getNextElement())

  3160.             {

  3161.                 const String& patchTag(patchElem->getTagName());

  3162. 

  3163.                 if (patchTag != "Position")

  3164.                     continue;

  3165. 

  3166.                 XmlElement* const patchName = patchElem->getChildByName("Name");

  3167.                 CARLA_SAFE_ASSERT_CONTINUE(patchName != nullptr);

  3168. 

  3169.                 const String nameText(patchName->getAllSubText().trim());

  3170.                 name = xmlSafeString(nameText, false);

  3171. 

  3172.                 ppos.name = name.toRawUTF8();

  3173.                 ppos.x1 = patchElem->getIntAttribute("x1");

  3174.                 ppos.y1 = patchElem->getIntAttribute("y1");

  3175.                 ppos.x2 = patchElem->getIntAttribute("x2");

  3176.                 ppos.y2 = patchElem->getIntAttribute("y2");

  3177.                 ppos.pluginId = patchElem->getIntAttribute("pluginId", -1);

  3178.                 ppos.dealloc = false;

  3179. 

  3180.                 loadingAsExternal = ppos.pluginId < 0 || hasInternalPositions || !isPatchbay;

  3181. 

  3182.                 carla_debug("loadingAsExternal: %i because %i %i %i",

  3183.                             loadingAsExternal, ppos.pluginId < 0, hasInternalPositions, !isPatchbay);

  3184. 

  3185.                 if (name.isNotEmpty() && restorePatchbayGroupPosition(loadingAsExternal, ppos))

  3186.                 {

  3187.                     if (name != ppos.name)

  3188.                     {

  3189.                         carla_stdout("Converted client name '%s' to '%s' for this session",

  3190.                                      name.toRawUTF8(), ppos.name);

  3191. 

  3192.                         if (loadingAsExternal)

  3193.                             mapGroupNamesExternal[name] = ppos.name;

  3194.                         else

  3195.                             mapGroupNamesInternal[name] = ppos.name;

  3196.                     }

  3197. 

  3198.                     if (ppos.dealloc)

  3199.                         std::free(const_cast<char*>(ppos.name));

  3200.                 }

  3201.             }

  3202. 

  3203.             if (pData->aboutToClose)

  3204.                 return true;

  3205. 

  3206.             if (pData->actionCanceled)

  3207.             {

  3208.                 setLastError("Project load canceled");

  3209.                 return false;

  3210.             }

  3211.         }

  3212.     }

  3213. 

  3214.     bool hasInternalConnections = false;

  3215. 

  3216.     // and now we handle connections (internal)

  3217.     if (XmlElement* const elem = xmlElement->getChildByName("Patchbay"))

  3218.     {

  3219.         hasInternalConnections = true;

  3220. 

  3221.         if (isPatchbay)

  3222.         {

  3223.             water::String sourcePort, targetPort;

  3224. 

  3225.             for (XmlElement* patchElem = elem->getFirstChildElement(); patchElem != nullptr; patchElem = patchElem->getNextElement())

  3226.             {

  3227.                 const String& patchTag(patchElem->getTagName());

  3228. 

  3229.                 if (patchTag != "Connection")

  3230.                     continue;

  3231. 

  3232.                 sourcePort.clear();

  3233.                 targetPort.clear();

  3234. 

  3235.                 for (XmlElement* connElem = patchElem->getFirstChildElement(); connElem != nullptr; connElem = connElem->getNextElement())

  3236.                 {

  3237.                     const String& tag(connElem->getTagName());

  3238.                     const String  text(connElem->getAllSubText().trim());

  3239. 

  3240.                     /**/ if (tag == "Source")

  3241.                         sourcePort = xmlSafeString(text, false);

  3242.                     else if (tag == "Target")

  3243.                         targetPort = xmlSafeString(text, false);

  3244.                 }

  3245. 

  3246.                 if (sourcePort.isNotEmpty() && targetPort.isNotEmpty())

  3247.                 {

  3248.                     std::map<water::String, water::String>& map(mapGroupNamesInternal);

  3249.                     std::map<water::String, water::String>::iterator it;

  3250. 

  3251.                     if ((it = map.find(sourcePort.upToFirstOccurrenceOf(":", false, false))) != map.end())

  3252.                         sourcePort = it->second + sourcePort.fromFirstOccurrenceOf(":", true, false);

  3253.                     if ((it = map.find(targetPort.upToFirstOccurrenceOf(":", false, false))) != map.end())

  3254.                         targetPort = it->second + targetPort.fromFirstOccurrenceOf(":", true, false);

  3255. 

  3256.                     restorePatchbayConnection(false, sourcePort.toRawUTF8(), targetPort.toRawUTF8());

  3257.                 }

  3258.             }

  3259. 

  3260.             if (pData->aboutToClose)

  3261.                 return true;

  3262. 

  3263.             if (pData->actionCanceled)

  3264.             {

  3265.                 setLastError("Project load canceled");

  3266.                 return false;

  3267.             }

  3268.         }

  3269.     }

  3270. 

  3271.     // if we're running inside some session-manager (and using JACK), let them handle the external connections

  3272.     bool loadExternalConnections;

  3273. 

  3274.     if (alwaysLoadConnections)

  3275.     {

  3276.         loadExternalConnections = true;

  3277.     }

  3278.     else

  3279.     {

  3280.         /**/ if (std::strcmp(getCurrentDriverName(), "JACK") != 0)

  3281.             loadExternalConnections = true;

  3282.         else if (std::getenv("CARLA_DONT_MANAGE_CONNECTIONS") != nullptr)

  3283.             loadExternalConnections = false;

  3284.         else if (std::getenv("LADISH_APP_NAME") != nullptr)

  3285.             loadExternalConnections = false;

  3286.         else if (std::getenv("NSM_URL") != nullptr)

  3287.             loadExternalConnections = false;

  3288.         else

  3289.             loadExternalConnections = true;

  3290.     }

  3291. 

  3292.     // plus external connections too

  3293.     if (loadExternalConnections)

  3294.     {

  3295.         bool isExternal;

  3296.         loadingAsExternal = hasInternalConnections &&

  3297.             (pData->options.processMode == ENGINE_PROCESS_MODE_CONTINUOUS_RACK || isPatchbay);

  3298. 

  3299.         for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement())

  3300.         {

  3301.             const String& tagName(elem->getTagName());

  3302. 

  3303.             // check if we want to load patchbay-mode connections into an external (multi-client) graph

  3304.             if (tagName == "Patchbay")

  3305.             {

  3306.                 if (isPatchbay)

  3307.                     continue;

  3308.                 isExternal = false;

  3309.                 loadingAsExternal = true;

  3310.             }

  3311.             // or load external patchbay connections

  3312.             else if (tagName == "ExternalPatchbay")

  3313.             {

  3314.                 if (! isPatchbay)

  3315.                     loadingAsExternal = true;

  3316.                 isExternal = true;

  3317.             }

  3318.             else

  3319.             {

  3320.                 continue;

  3321.             }

  3322. 

  3323.             water::String sourcePort, targetPort;

  3324. 

  3325.             for (XmlElement* patchElem = elem->getFirstChildElement(); patchElem != nullptr; patchElem = patchElem->getNextElement())

  3326.             {

  3327.                 const String& patchTag(patchElem->getTagName());

  3328. 

  3329.                 if (patchTag != "Connection")

  3330.                     continue;

  3331. 

  3332.                 sourcePort.clear();

  3333.                 targetPort.clear();

  3334. 

  3335.                 for (XmlElement* connElem = patchElem->getFirstChildElement(); connElem != nullptr; connElem = connElem->getNextElement())

  3336.                 {

  3337.                     const String& tag(connElem->getTagName());

  3338.                     const String  text(connElem->getAllSubText().trim());

  3339. 

  3340.                     /**/ if (tag == "Source")

  3341.                         sourcePort = xmlSafeString(text, false);

  3342.                     else if (tag == "Target")

  3343.                         targetPort = xmlSafeString(text, false);

  3344.                 }

  3345. 

  3346.                 if (sourcePort.isNotEmpty() && targetPort.isNotEmpty())

  3347.                 {

  3348.                     std::map<water::String, water::String>& map(loadingAsExternal ? mapGroupNamesExternal

  3349.                                                                                   : mapGroupNamesInternal);

  3350.                     std::map<water::String, water::String>::iterator it;

  3351. 

  3352.                     if (isExternal && isPatchbay && !loadingAsExternal && sourcePort.startsWith("system:capture_"))

  3353.                     {

  3354.                         water::String internalPort = sourcePort.trimCharactersAtStart("system:capture_");

  3355. 

  3356.                         if (pData->graph.getNumAudioOuts() < 3)

  3357.                         {

  3358.                             /**/ if (internalPort == "1")

  3359.                                 internalPort = "Audio Input:Left";

  3360.                             else if (internalPort == "2")

  3361.                                 internalPort = "Audio Input:Right";

  3362.                             else if (internalPort == "3")

  3363.                                 internalPort = "Audio Input:Sidechain";

  3364.                             else

  3365.                                 continue;

  3366.                         }

  3367.                         else

  3368.                         {

  3369.                             internalPort = "Audio Input:Capture " + internalPort;

  3370.                         }

  3371. 

  3372.                         carla_stdout("Converted port name '%s' to '%s' for this session",

  3373.                                      sourcePort.toRawUTF8(), internalPort.toRawUTF8());

  3374.                         sourcePort = internalPort;

  3375.                     }

  3376.                     else if (!isExternal && isMultiClient && sourcePort.startsWith("Audio Input:"))

  3377.                     {

  3378.                         water::String externalPort = sourcePort.trimCharactersAtStart("Audio Input:");

  3379. 

  3380.                         /**/ if (externalPort == "Left")

  3381.                             externalPort = "system:capture_1";

  3382.                         else if (externalPort == "Right")

  3383.                             externalPort = "system:capture_2";

  3384.                         else if (externalPort == "Sidechain")

  3385.                             externalPort = "system:capture_3";

  3386.                         else

  3387.                             externalPort = "system:capture_ " + externalPort.trimCharactersAtStart("Capture ");

  3388. 

  3389.                         carla_stdout("Converted port name '%s' to '%s' for this session",

  3390.                                      sourcePort.toRawUTF8(), externalPort.toRawUTF8());

  3391.                         sourcePort = externalPort;

  3392.                     }

  3393.                     else if ((it = map.find(sourcePort.upToFirstOccurrenceOf(":", false, false))) != map.end())

  3394.                     {

  3395.                         sourcePort = it->second + sourcePort.fromFirstOccurrenceOf(":", true, false);

  3396.                     }

  3397. 

  3398.                     if (isExternal && isPatchbay && !loadingAsExternal && targetPort.startsWith("system:playback_"))

  3399.                     {

  3400.                         water::String internalPort = targetPort.trimCharactersAtStart("system:playback_");

  3401. 

  3402.                         if (pData->graph.getNumAudioOuts() < 3)

  3403.                         {

  3404.                             /**/ if (internalPort == "1")

  3405.                                 internalPort = "Audio Output:Left";

  3406.                             else if (internalPort == "2")

  3407.                                 internalPort = "Audio Output:Right";

  3408.                             else

  3409.                                 continue;

  3410.                         }

  3411.                         else

  3412.                         {

  3413.                             internalPort = "Audio Input:Playback " + internalPort;

  3414.                         }

  3415. 

  3416.                         carla_stdout("Converted port name '%s' to '%s' for this session",

  3417.                                      targetPort.toRawUTF8(), internalPort.toRawUTF8());

  3418.                         targetPort = internalPort;

  3419.                     }

  3420.                     else if (!isExternal && isMultiClient && targetPort.startsWith("Audio Output:"))

  3421.                     {

  3422.                         water::String externalPort = targetPort.trimCharactersAtStart("Audio Output:");

  3423. 

  3424.                         /**/ if (externalPort == "Left")

  3425.                             externalPort = "system:playback_1";

  3426.                         else if (externalPort == "Right")

  3427.                             externalPort = "system:playback_2";

  3428.                         else

  3429.                             externalPort = "system:playback_ " + externalPort.trimCharactersAtStart("Playback ");

  3430. 

  3431.                         carla_stdout("Converted port name '%s' to '%s' for this session",

  3432.                                      targetPort.toRawUTF8(), externalPort.toRawUTF8());

  3433.                         targetPort = externalPort;

  3434.                     }

  3435.                     else if ((it = map.find(targetPort.upToFirstOccurrenceOf(":", false, false))) != map.end())

  3436.                     {

  3437.                         targetPort = it->second + targetPort.fromFirstOccurrenceOf(":", true, false);

  3438.                     }

  3439. 

  3440.                     restorePatchbayConnection(loadingAsExternal, sourcePort.toRawUTF8(), targetPort.toRawUTF8());

  3441.                 }

  3442.             }

  3443.             break;

  3444.         }

  3445.     }

  3446. #endif

  3447. 

  3448.     if (pData->options.resetXruns)

  3449.         clearXruns();

  3450. 

  3451.     callback(true, true, ENGINE_CALLBACK_PROJECT_LOAD_FINISHED, 0, 0, 0, 0, 0.0f, nullptr);

  3452.     callback(true, true, ENGINE_CALLBACK_CANCELABLE_ACTION, 0, 0, 0, 0, 0.0f, "Loading project");

  3453. 

  3454.     carla_debug("CarlaEngine::loadProjectInternal(%p, %s) - END", &xmlDoc, bool2str(alwaysLoadConnections));

  3455.     return true;

  3456. 

  3457. #ifdef BUILD_BRIDGE_ALTERNATIVE_ARCH

  3458.     // unused

  3459.     (void)alwaysLoadConnections;

  3460. #endif

  3461. }

  3462. 

  3463. // -----------------------------------------------------------------------

  3464. 

  3465. CARLA_BACKEND_END_NAMESPACE