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

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  1. /*

  2.  * Carla Plugin Bridge

  3.  * Copyright (C) 2011-2015 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. #if defined(BUILD_BRIDGE) && defined(BRIDGE_PLUGIN)

  19. # error This file should be used under bridge mode

  20. #endif

  21. 

  22. #include "CarlaPluginInternal.hpp"

  23. 

  24. #include "CarlaBackendUtils.hpp"

  25. #include "CarlaBase64Utils.hpp"

  26. #include "CarlaBridgeUtils.hpp"

  27. #include "CarlaEngineUtils.hpp"

  28. #include "CarlaMathUtils.hpp"

  29. #include "CarlaShmUtils.hpp"

  30. #include "CarlaThread.hpp"

  31. 

  32. #include "jackbridge/JackBridge.hpp"

  33. 

  34. #include <ctime>

  35. 

  36. // -------------------------------------------------------------------------------------------------------------------

  37. 

  38. using juce::ChildProcess;

  39. using juce::File;

  40. using juce::ScopedPointer;

  41. using juce::String;

  42. using juce::StringArray;

  43. using juce::Time;

  44. 

  45. CARLA_BACKEND_START_NAMESPACE

  46. 

  47. // -------------------------------------------------------------------------------------------------------------------

  48. 

  49. struct BridgeAudioPool {

  50.     CarlaString filename;

  51.     std::size_t size;

  52.     float* data;

  53.     carla_shm_t shm;

  54. 

  55.     BridgeAudioPool() noexcept

  56.         : filename(),

  57.           size(0),

  58.           data(nullptr)

  59. #ifdef CARLA_PROPER_CPP11_SUPPORT

  60.         , shm(carla_shm_t_INIT) {}

  61. #else

  62.     {

  63.         carla_shm_init(shm);

  64.     }

  65. #endif

  66. 

  67.     ~BridgeAudioPool() noexcept

  68.     {

  69.         // should be cleared by now

  70.         CARLA_SAFE_ASSERT(data == nullptr);

  71. 

  72.         clear();

  73.     }

  74. 

  75.     bool initialize() noexcept

  76.     {

  77.         char tmpFileBase[64];

  78. 

  79.         std::sprintf(tmpFileBase, PLUGIN_BRIDGE_NAMEPREFIX_AUDIO_POOL "XXXXXX");

  80. 

  81.         shm = carla_shm_create_temp(tmpFileBase);

  82. 

  83.         CARLA_SAFE_ASSERT_RETURN(carla_is_shm_valid(shm), false);

  84. 

  85.         filename = tmpFileBase;

  86.         return true;

  87.     }

  88. 

  89.     void clear() noexcept

  90.     {

  91.         filename.clear();

  92. 

  93.         if (! carla_is_shm_valid(shm))

  94.         {

  95.             CARLA_SAFE_ASSERT(data == nullptr);

  96.             return;

  97.         }

  98. 

  99.         if (data != nullptr)

  100.         {

  101.             carla_shm_unmap(shm, data);

  102.             data = nullptr;

  103.         }

  104. 

  105.         size = 0;

  106.         carla_shm_close(shm);

  107.         carla_shm_init(shm);

  108.     }

  109. 

  110.     void resize(const uint32_t bufferSize, const uint32_t audioPortCount, const uint32_t cvPortCount) noexcept

  111.     {

  112.         CARLA_SAFE_ASSERT_RETURN(carla_is_shm_valid(shm),);

  113. 

  114.         if (data != nullptr)

  115.             carla_shm_unmap(shm, data);

  116. 

  117.         size = (audioPortCount+cvPortCount)*bufferSize*sizeof(float);

  118. 

  119.         if (size == 0)

  120.             size = sizeof(float);

  121. 

  122.         data = (float*)carla_shm_map(shm, size);

  123.         std::memset(data, 0, size);

  124.     }

  125. 

  126.     CARLA_DECLARE_NON_COPY_STRUCT(BridgeAudioPool)

  127. };

  128. 

  129. // -------------------------------------------------------------------------------------------------------------------

  130. 

  131. struct BridgeRtClientControl : public CarlaRingBufferControl<SmallStackBuffer> {

  132.     BridgeRtClientData* data;

  133.     CarlaString filename;

  134.     bool needsSemDestroy;

  135.     carla_shm_t shm;

  136. 

  137.     BridgeRtClientControl()

  138.         : data(nullptr),

  139.           filename(),

  140.           needsSemDestroy(false)

  141. #ifdef CARLA_PROPER_CPP11_SUPPORT

  142.         , shm(carla_shm_t_INIT) {}

  143. #else

  144.     {

  145.         carla_shm_init(shm);

  146.     }

  147. #endif

  148. 

  149.     ~BridgeRtClientControl() noexcept override

  150.     {

  151.         // should be cleared by now

  152.         CARLA_SAFE_ASSERT(data == nullptr);

  153. 

  154.         clear();

  155.     }

  156. 

  157.     bool initialize() noexcept

  158.     {

  159.         char tmpFileBase[64];

  160. 

  161.         std::sprintf(tmpFileBase, PLUGIN_BRIDGE_NAMEPREFIX_RT_CLIENT "XXXXXX");

  162. 

  163.         shm = carla_shm_create_temp(tmpFileBase);

  164. 

  165.         CARLA_SAFE_ASSERT_RETURN(carla_is_shm_valid(shm), false);

  166. 

  167.         if (! mapData())

  168.         {

  169.             carla_shm_close(shm);

  170.             carla_shm_init(shm);

  171.             return false;

  172.         }

  173. 

  174.         CARLA_SAFE_ASSERT(data != nullptr);

  175. 

  176.         if (! jackbridge_sem_init(&data->sem.server))

  177.         {

  178.             unmapData();

  179.             carla_shm_close(shm);

  180.             carla_shm_init(shm);

  181.             return false;

  182.         }

  183. 

  184.         if (! jackbridge_sem_init(&data->sem.client))

  185.         {

  186.             jackbridge_sem_destroy(&data->sem.server);

  187.             unmapData();

  188.             carla_shm_close(shm);

  189.             carla_shm_init(shm);

  190.             return false;

  191.         }

  192. 

  193.         filename = tmpFileBase;

  194.         needsSemDestroy = true;

  195.         return true;

  196.     }

  197. 

  198.     void clear() noexcept

  199.     {

  200.         filename.clear();

  201. 

  202.         if (needsSemDestroy)

  203.         {

  204.             jackbridge_sem_destroy(&data->sem.client);

  205.             jackbridge_sem_destroy(&data->sem.server);

  206.             needsSemDestroy = false;

  207.         }

  208. 

  209.         if (data != nullptr)

  210.             unmapData();

  211. 

  212.         if (! carla_is_shm_valid(shm))

  213.             return;

  214. 

  215.         carla_shm_close(shm);

  216.         carla_shm_init(shm);

  217.     }

  218. 

  219.     bool mapData() noexcept

  220.     {

  221.         CARLA_SAFE_ASSERT(data == nullptr);

  222. 

  223.         if (carla_shm_map<BridgeRtClientData>(shm, data))

  224.         {

  225.             std::memset(data, 0, sizeof(BridgeRtClientData));

  226.             setRingBuffer(&data->ringBuffer, true);

  227.             return true;

  228.         }

  229. 

  230.         return false;

  231.     }

  232. 

  233.     void unmapData() noexcept

  234.     {

  235.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  236. 

  237.         carla_shm_unmap(shm, data);

  238.         data = nullptr;

  239. 

  240.         setRingBuffer(nullptr, false);

  241.     }

  242. 

  243.     bool waitForClient(const uint msecs) noexcept

  244.     {

  245.         CARLA_SAFE_ASSERT_RETURN(data != nullptr, false);

  246. 

  247.         jackbridge_sem_post(&data->sem.server);

  248. 

  249.         return jackbridge_sem_timedwait(&data->sem.client, msecs);

  250.     }

  251. 

  252.     void writeOpcode(const PluginBridgeRtClientOpcode opcode) noexcept

  253.     {

  254.         writeUInt(static_cast<uint32_t>(opcode));

  255.     }

  256. 

  257.     CARLA_DECLARE_NON_COPY_STRUCT(BridgeRtClientControl)

  258. };

  259. 

  260. // -------------------------------------------------------------------------------------------------------------------

  261. 

  262. struct BridgeNonRtClientControl : public CarlaRingBufferControl<BigStackBuffer> {

  263.     BridgeNonRtClientData* data;

  264.     CarlaString filename;

  265.     CarlaMutex mutex;

  266.     carla_shm_t shm;

  267. 

  268.     BridgeNonRtClientControl() noexcept

  269.         : data(nullptr),

  270.           filename(),

  271.           mutex()

  272. #ifdef CARLA_PROPER_CPP11_SUPPORT

  273.         , shm(carla_shm_t_INIT) {}

  274. #else

  275.     {

  276.         carla_shm_init(shm);

  277.     }

  278. #endif

  279. 

  280.     ~BridgeNonRtClientControl() noexcept override

  281.     {

  282.         // should be cleared by now

  283.         CARLA_SAFE_ASSERT(data == nullptr);

  284. 

  285.         clear();

  286.     }

  287. 

  288.     bool initialize() noexcept

  289.     {

  290.         char tmpFileBase[64];

  291. 

  292.         std::sprintf(tmpFileBase, PLUGIN_BRIDGE_NAMEPREFIX_NON_RT_CLIENT "XXXXXX");

  293. 

  294.         shm = carla_shm_create_temp(tmpFileBase);

  295. 

  296.         CARLA_SAFE_ASSERT_RETURN(carla_is_shm_valid(shm), false);

  297. 

  298.         if (! mapData())

  299.         {

  300.             carla_shm_close(shm);

  301.             carla_shm_init(shm);

  302.             return false;

  303.         }

  304. 

  305.         CARLA_SAFE_ASSERT(data != nullptr);

  306. 

  307.         filename = tmpFileBase;

  308.         return true;

  309.     }

  310. 

  311.     void clear() noexcept

  312.     {

  313.         filename.clear();

  314. 

  315.         if (data != nullptr)

  316.             unmapData();

  317. 

  318.         if (! carla_is_shm_valid(shm))

  319.             return;

  320. 

  321.         carla_shm_close(shm);

  322.         carla_shm_init(shm);

  323.     }

  324. 

  325.     bool mapData() noexcept

  326.     {

  327.         CARLA_SAFE_ASSERT(data == nullptr);

  328. 

  329.         if (carla_shm_map<BridgeNonRtClientData>(shm, data))

  330.         {

  331.             setRingBuffer(&data->ringBuffer, true);

  332.             return true;

  333.         }

  334. 

  335.         return false;

  336.     }

  337. 

  338.     void unmapData() noexcept

  339.     {

  340.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  341. 

  342.         carla_shm_unmap(shm, data);

  343.         data = nullptr;

  344. 

  345.         setRingBuffer(nullptr, false);

  346.     }

  347. 

  348.     void writeOpcode(const PluginBridgeNonRtClientOpcode opcode) noexcept

  349.     {

  350.         writeUInt(static_cast<uint32_t>(opcode));

  351.     }

  352. 

  353.     void waitIfDataIsReachingLimit() noexcept

  354.     {

  355.         if (getAvailableDataSize() < BigStackBuffer::size/4)

  356.             return;

  357. 

  358.         for (int i=50; --i >= 0;)

  359.         {

  360.             if (getAvailableDataSize() >= BigStackBuffer::size*3/4)

  361.             {

  362.                 //carla_stdout("Server waitIfDataIsReachingLimit() reached and waited successfully");

  363.                 writeOpcode(kPluginBridgeNonRtClientPing);

  364.                 commitWrite();

  365.                 return;

  366.             }

  367.             carla_msleep(20);

  368.         }

  369. 

  370.         carla_stderr("Server waitIfDataIsReachingLimit() reached and failed");

  371.     }

  372. 

  373.     CARLA_DECLARE_NON_COPY_STRUCT(BridgeNonRtClientControl)

  374. };

  375. 

  376. // -------------------------------------------------------------------------------------------------------------------

  377. 

  378. struct BridgeNonRtServerControl : public CarlaRingBufferControl<HugeStackBuffer> {

  379.     BridgeNonRtServerData* data;

  380.     CarlaString filename;

  381.     carla_shm_t shm;

  382. 

  383.     BridgeNonRtServerControl() noexcept

  384.         : data(nullptr),

  385.           filename()

  386. #ifdef CARLA_PROPER_CPP11_SUPPORT

  387.         , shm(carla_shm_t_INIT) {}

  388. #else

  389.     {

  390.         carla_shm_init(shm);

  391.     }

  392. #endif

  393. 

  394.     ~BridgeNonRtServerControl() noexcept override

  395.     {

  396.         // should be cleared by now

  397.         CARLA_SAFE_ASSERT(data == nullptr);

  398. 

  399.         clear();

  400.     }

  401. 

  402.     bool initialize() noexcept

  403.     {

  404.         char tmpFileBase[64];

  405. 

  406.         std::sprintf(tmpFileBase, PLUGIN_BRIDGE_NAMEPREFIX_NON_RT_SERVER "XXXXXX");

  407. 

  408.         shm = carla_shm_create_temp(tmpFileBase);

  409. 

  410.         if (! carla_is_shm_valid(shm))

  411.             return false;

  412. 

  413.         if (! mapData())

  414.         {

  415.             carla_shm_close(shm);

  416.             carla_shm_init(shm);

  417.             return false;

  418.         }

  419. 

  420.         CARLA_SAFE_ASSERT(data != nullptr);

  421. 

  422.         filename = tmpFileBase;

  423.         return true;

  424.     }

  425. 

  426.     void clear() noexcept

  427.     {

  428.         filename.clear();

  429. 

  430.         if (data != nullptr)

  431.             unmapData();

  432. 

  433.         if (! carla_is_shm_valid(shm))

  434.             return;

  435. 

  436.         carla_shm_close(shm);

  437.         carla_shm_init(shm);

  438.     }

  439. 

  440.     bool mapData() noexcept

  441.     {

  442.         CARLA_SAFE_ASSERT(data == nullptr);

  443. 

  444.         if (carla_shm_map<BridgeNonRtServerData>(shm, data))

  445.         {

  446.             setRingBuffer(&data->ringBuffer, true);

  447.             return true;

  448.         }

  449. 

  450.         return false;

  451.     }

  452. 

  453.     void unmapData() noexcept

  454.     {

  455.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  456. 

  457.         carla_shm_unmap(shm, data);

  458.         data = nullptr;

  459. 

  460.         setRingBuffer(nullptr, false);

  461.     }

  462. 

  463.     PluginBridgeNonRtServerOpcode readOpcode() noexcept

  464.     {

  465.         return static_cast<PluginBridgeNonRtServerOpcode>(readUInt());

  466.     }

  467. 

  468.     CARLA_DECLARE_NON_COPY_STRUCT(BridgeNonRtServerControl)

  469. };

  470. 

  471. // -------------------------------------------------------------------------------------------------------------------

  472. 

  473. struct BridgeParamInfo {

  474.     float value;

  475.     CarlaString name;

  476.     CarlaString symbol;

  477.     CarlaString unit;

  478. 

  479.     BridgeParamInfo() noexcept

  480.         : value(0.0f),

  481.           name(),

  482.           symbol(),

  483.           unit() {}

  484. 

  485.     CARLA_DECLARE_NON_COPY_STRUCT(BridgeParamInfo)

  486. };

  487. 

  488. // -------------------------------------------------------------------------------------------------------------------

  489. 

  490. class CarlaPluginBridgeThread : public CarlaThread

  491. {

  492. public:

  493.     CarlaPluginBridgeThread(CarlaEngine* const engine, CarlaPlugin* const plugin) noexcept

  494.         : CarlaThread("CarlaPluginBridgeThread"),

  495.           kEngine(engine),

  496.           kPlugin(plugin),

  497.           fBinary(),

  498.           fLabel(),

  499.           fShmIds(),

  500.           fProcess() {}

  501. 

  502.     void setData(const char* const binary, const char* const label, const char* const shmIds) noexcept

  503.     {

  504.         CARLA_SAFE_ASSERT_RETURN(binary != nullptr && binary[0] != '\0',);

  505.         CARLA_SAFE_ASSERT_RETURN(shmIds != nullptr && shmIds[0] != '\0',);

  506.         CARLA_SAFE_ASSERT(! isThreadRunning());

  507. 

  508.         fBinary = binary;

  509.         fShmIds = shmIds;

  510. 

  511.         if (label != nullptr)

  512.             fLabel = label;

  513.         if (fLabel.isEmpty())

  514.             fLabel = "\"\"";

  515.     }

  516. 

  517.     uintptr_t getProcessPID() const noexcept

  518.     {

  519.         CARLA_SAFE_ASSERT_RETURN(fProcess != nullptr, 0);

  520. 

  521.         return (uintptr_t)fProcess->getPID();

  522.     }

  523. 

  524. protected:

  525.     void run()

  526.     {

  527.         if (fProcess == nullptr)

  528.         {

  529.             fProcess = new ChildProcess();

  530.         }

  531.         else if (fProcess->isRunning())

  532.         {

  533.             carla_stderr("CarlaPluginBridgeThread::run() - already running, giving up...");

  534.         }

  535. 

  536.         String name(kPlugin->getName());

  537.         String filename(kPlugin->getFilename());

  538. 

  539.         if (name.isEmpty())

  540.             name = "(none)";

  541. 

  542.         if (filename.isEmpty())

  543.             filename = "\"\"";

  544. 

  545.         StringArray arguments;

  546. 

  547. #ifndef CARLA_OS_WIN

  548.         // start with "wine" if needed

  549.         if (fBinary.endsWithIgnoreCase(".exe"))

  550.         {

  551.             if (File("/usr/bin/wine-rt").existsAsFile())

  552.                 arguments.add("wine-rt");

  553.             else

  554.                 arguments.add("wine");

  555.         }

  556. #endif

  557. 

  558.         // binary

  559.         arguments.add(fBinary);

  560. 

  561.         // plugin type

  562.         arguments.add(getPluginTypeAsString(kPlugin->getType()));

  563. 

  564.         // filename

  565.         arguments.add(filename);

  566. 

  567.         // label

  568.         arguments.add(fLabel);

  569. 

  570.         // uniqueId

  571.         arguments.add(String(static_cast<juce::int64>(kPlugin->getUniqueId())));

  572. 

  573.         bool started;

  574. 

  575.         {

  576.             char strBuf[STR_MAX+1];

  577.             strBuf[STR_MAX] = '\0';

  578. 

  579.             const EngineOptions& options(kEngine->getOptions());

  580.             const ScopedEngineEnvironmentLocker _seel(kEngine);

  581. 

  582. #ifdef CARLA_OS_LINUX

  583.             const char* const oldPreload(std::getenv("LD_PRELOAD"));

  584. 

  585.             if (oldPreload != nullptr)

  586.                 ::unsetenv("LD_PRELOAD");

  587. #endif

  588. 

  589.             carla_setenv("ENGINE_OPTION_FORCE_STEREO",          bool2str(options.forceStereo));

  590.             carla_setenv("ENGINE_OPTION_PREFER_PLUGIN_BRIDGES", bool2str(options.preferPluginBridges));

  591.             carla_setenv("ENGINE_OPTION_PREFER_UI_BRIDGES",     bool2str(options.preferUiBridges));

  592.             carla_setenv("ENGINE_OPTION_UIS_ALWAYS_ON_TOP",     bool2str(options.uisAlwaysOnTop));

  593. 

  594.             std::snprintf(strBuf, STR_MAX, "%u", options.maxParameters);

  595.             carla_setenv("ENGINE_OPTION_MAX_PARAMETERS", strBuf);

  596. 

  597.             std::snprintf(strBuf, STR_MAX, "%u", options.uiBridgesTimeout);

  598.             carla_setenv("ENGINE_OPTION_UI_BRIDGES_TIMEOUT",strBuf);

  599. 

  600.             if (options.pathLADSPA != nullptr)

  601.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_LADSPA", options.pathLADSPA);

  602.             else

  603.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_LADSPA", "");

  604. 

  605.             if (options.pathDSSI != nullptr)

  606.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_DSSI", options.pathDSSI);

  607.             else

  608.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_DSSI", "");

  609. 

  610.             if (options.pathLV2 != nullptr)

  611.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_LV2", options.pathLV2);

  612.             else

  613.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_LV2", "");

  614. 

  615.             if (options.pathVST2 != nullptr)

  616.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_VST2", options.pathVST2);

  617.             else

  618.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_VST2", "");

  619. 

  620.             if (options.pathVST3 != nullptr)

  621.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_VST3", options.pathVST3);

  622.             else

  623.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_VST3", "");

  624. 

  625.             if (options.pathGIG != nullptr)

  626.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_GIG", options.pathGIG);

  627.             else

  628.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_GIG", "");

  629. 

  630.             if (options.pathSF2 != nullptr)

  631.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_SF2", options.pathSF2);

  632.             else

  633.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_SF2", "");

  634. 

  635.             if (options.pathSFZ != nullptr)

  636.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_SFZ", options.pathSFZ);

  637.             else

  638.                 carla_setenv("ENGINE_OPTION_PLUGIN_PATH_SFZ", "");

  639. 

  640.             if (options.binaryDir != nullptr)

  641.                 carla_setenv("ENGINE_OPTION_PATH_BINARIES", options.binaryDir);

  642.             else

  643.                 carla_setenv("ENGINE_OPTION_PATH_BINARIES", "");

  644. 

  645.             if (options.resourceDir != nullptr)

  646.                 carla_setenv("ENGINE_OPTION_PATH_RESOURCES", options.resourceDir);

  647.             else

  648.                 carla_setenv("ENGINE_OPTION_PATH_RESOURCES", "");

  649. 

  650.             carla_setenv("ENGINE_OPTION_PREVENT_BAD_BEHAVIOUR", bool2str(options.preventBadBehaviour));

  651. 

  652.             std::snprintf(strBuf, STR_MAX, P_UINTPTR, options.frontendWinId);

  653.             carla_setenv("ENGINE_OPTION_FRONTEND_WIN_ID", strBuf);

  654. 

  655.             carla_setenv("ENGINE_BRIDGE_SHM_IDS", fShmIds.toRawUTF8());

  656.             carla_setenv("WINEDEBUG", "-all");

  657. 

  658.             carla_stdout("starting plugin bridge, command is:\n%s \"%s\" \"%s\" \"%s\" " P_INT64,

  659.                          fBinary.toRawUTF8(), getPluginTypeAsString(kPlugin->getType()), filename.toRawUTF8(), fLabel.toRawUTF8(), kPlugin->getUniqueId());

  660. 

  661.             started = fProcess->start(arguments);

  662. 

  663. #ifdef CARLA_OS_LINUX

  664.             if (oldPreload != nullptr)

  665.                 ::setenv("LD_PRELOAD", oldPreload, 1);

  666. #endif

  667.         }

  668. 

  669.         if (! started)

  670.         {

  671.             carla_stdout("failed!");

  672.             fProcess = nullptr;

  673.             return;

  674.         }

  675. 

  676.         for (; fProcess->isRunning() && ! shouldThreadExit();)

  677.             carla_sleep(1);

  678. 

  679.         // we only get here if bridge crashed or thread asked to exit

  680.         if (fProcess->isRunning() && shouldThreadExit())

  681.         {

  682.             fProcess->waitForProcessToFinish(2000);

  683. 

  684.             if (fProcess->isRunning())

  685.             {

  686.                 carla_stdout("CarlaPluginBridgeThread::run() - bridge refused to close, force kill now");

  687.                 fProcess->kill();

  688.             }

  689.             else

  690.             {

  691.                 carla_stdout("CarlaPluginBridgeThread::run() - bridge auto-closed successfully");

  692.             }

  693.         }

  694.         else

  695.         {

  696.             // forced quit, may have crashed

  697.             if (fProcess->getExitCode() != 0 /*|| fProcess->exitStatus() == QProcess::CrashExit*/)

  698.             {

  699.                 carla_stderr("CarlaPluginBridgeThread::run() - bridge crashed");

  700. 

  701.                 CarlaString errorString("Plugin '" + CarlaString(kPlugin->getName()) + "' has crashed!\n"

  702.                                         "Saving now will lose its current settings.\n"

  703.                                         "Please remove this plugin, and not rely on it from this point.");

  704.                 kEngine->callback(CarlaBackend::ENGINE_CALLBACK_ERROR, kPlugin->getId(), 0, 0, 0.0f, errorString);

  705.             }

  706.             else

  707.                 carla_stderr("CarlaPluginBridgeThread::run() - bridge closed cleanly");

  708.         }

  709. 

  710.         carla_stdout("plugin bridge finished");

  711.         fProcess = nullptr;

  712.     }

  713. 

  714. private:

  715.     CarlaEngine* const kEngine;

  716.     CarlaPlugin* const kPlugin;

  717. 

  718.     String fBinary;

  719.     String fLabel;

  720.     String fShmIds;

  721. 

  722.     ScopedPointer<ChildProcess> fProcess;

  723. 

  724.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginBridgeThread)

  725. };

  726. 

  727. // -------------------------------------------------------------------------------------------------------------------

  728. 

  729. class CarlaPluginBridge : public CarlaPlugin

  730. {

  731. public:

  732.     CarlaPluginBridge(CarlaEngine* const engine, const uint id, const BinaryType btype, const PluginType ptype)

  733.         : CarlaPlugin(engine, id),

  734.           fBinaryType(btype),

  735.           fPluginType(ptype),

  736.           fInitiated(false),

  737.           fInitError(false),

  738.           fSaved(true),

  739.           fTimedOut(false),

  740.           fTimedError(false),

  741.           fProcWaitTime(0),

  742.           fLastPongTime(-1),

  743.           fBridgeBinary(),

  744.           fBridgeThread(engine, this),

  745.           fShmAudioPool(),

  746.           fShmRtClientControl(),

  747.           fShmNonRtClientControl(),

  748.           fShmNonRtServerControl(),

  749.           fInfo(),

  750.           fUniqueId(0),

  751.           fParams(nullptr)

  752.     {

  753.         carla_debug("CarlaPluginBridge::CarlaPluginBridge(%p, %i, %s, %s)", engine, id, BinaryType2Str(btype), PluginType2Str(ptype));

  754. 

  755.         pData->hints |= PLUGIN_IS_BRIDGE;

  756.     }

  757. 

  758.     ~CarlaPluginBridge() override

  759.     {

  760.         carla_debug("CarlaPluginBridge::~CarlaPluginBridge()");

  761. 

  762.         // close UI

  763.         if (pData->hints & PLUGIN_HAS_CUSTOM_UI)

  764.             pData->transientTryCounter = 0;

  765. 

  766.         pData->singleMutex.lock();

  767.         pData->masterMutex.lock();

  768. 

  769.         if (pData->client != nullptr && pData->client->isActive())

  770.             pData->client->deactivate();

  771. 

  772.         if (pData->active)

  773.         {

  774.             deactivate();

  775.             pData->active = false;

  776.         }

  777. 

  778.         if (fBridgeThread.isThreadRunning())

  779.         {

  780.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientQuit);

  781.             fShmNonRtClientControl.commitWrite();

  782. 

  783.             fShmRtClientControl.writeOpcode(kPluginBridgeRtClientQuit);

  784.             fShmRtClientControl.commitWrite();

  785. 

  786.             if (! fTimedOut)

  787.                 waitForClient("stopping", 3000);

  788.         }

  789. 

  790.         fBridgeThread.stopThread(3000);

  791. 

  792.         fShmNonRtServerControl.clear();

  793.         fShmNonRtClientControl.clear();

  794.         fShmRtClientControl.clear();

  795.         fShmAudioPool.clear();

  796. 

  797.         clearBuffers();

  798. 

  799.         fInfo.chunk.clear();

  800.     }

  801. 

  802.     // -------------------------------------------------------------------

  803.     // Information (base)

  804. 

  805.     BinaryType getBinaryType() const noexcept

  806.     {

  807.         return fBinaryType;

  808.     }

  809. 

  810.     PluginType getType() const noexcept override

  811.     {

  812.         return fPluginType;

  813.     }

  814. 

  815.     PluginCategory getCategory() const noexcept override

  816.     {

  817.         return fInfo.category;

  818.     }

  819. 

  820.     int64_t getUniqueId() const noexcept override

  821.     {

  822.         return fUniqueId;

  823.     }

  824. 

  825.     // -------------------------------------------------------------------

  826.     // Information (count)

  827. 

  828.     uint32_t getMidiInCount() const noexcept override

  829.     {

  830.         return fInfo.mIns;

  831.     }

  832. 

  833.     uint32_t getMidiOutCount() const noexcept override

  834.     {

  835.         return fInfo.mOuts;

  836.     }

  837. 

  838.     // -------------------------------------------------------------------

  839.     // Information (current data)

  840. 

  841.     // TODO - missing getCustomData

  842. 

  843.     std::size_t getChunkData(void** const dataPtr) noexcept override

  844.     {

  845.         CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS, 0);

  846.         CARLA_SAFE_ASSERT_RETURN(dataPtr != nullptr, 0);

  847. 

  848.         waitForSaved();

  849. 

  850.         CARLA_SAFE_ASSERT_RETURN(fInfo.chunk.size() > 0, 0);

  851. 

  852.         *dataPtr = fInfo.chunk.data();

  853.         return fInfo.chunk.size();

  854.     }

  855. 

  856.     // -------------------------------------------------------------------

  857.     // Information (per-plugin data)

  858. 

  859.     uint getOptionsAvailable() const noexcept override

  860.     {

  861.         return fInfo.optionsAvailable;

  862.     }

  863. 

  864.     float getParameterValue(const uint32_t parameterId) const noexcept override

  865.     {

  866.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, 0.0f);

  867. 

  868.         return fParams[parameterId].value;

  869.     }

  870. 

  871.     void getLabel(char* const strBuf) const noexcept override

  872.     {

  873.         std::strncpy(strBuf, fInfo.label, STR_MAX);

  874.     }

  875. 

  876.     void getMaker(char* const strBuf) const noexcept override

  877.     {

  878.         std::strncpy(strBuf, fInfo.maker, STR_MAX);

  879.     }

  880. 

  881.     void getCopyright(char* const strBuf) const noexcept override

  882.     {

  883.         std::strncpy(strBuf, fInfo.copyright, STR_MAX);

  884.     }

  885. 

  886.     void getRealName(char* const strBuf) const noexcept override

  887.     {

  888.         std::strncpy(strBuf, fInfo.name, STR_MAX);

  889.     }

  890. 

  891.     void getParameterName(const uint32_t parameterId, char* const strBuf) const noexcept override

  892.     {

  893.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  894. 

  895.         std::strncpy(strBuf, fParams[parameterId].name.buffer(), STR_MAX);

  896.     }

  897. 

  898.     void getParameterSymbol(const uint32_t parameterId, char* const strBuf) const noexcept override

  899.     {

  900.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  901. 

  902.         std::strncpy(strBuf, fParams[parameterId].symbol.buffer(), STR_MAX);

  903.     }

  904. 

  905.     void getParameterUnit(const uint32_t parameterId, char* const strBuf) const noexcept override

  906.     {

  907.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count, nullStrBuf(strBuf));

  908. 

  909.         std::strncpy(strBuf, fParams[parameterId].unit.buffer(), STR_MAX);

  910.     }

  911. 

  912.     // -------------------------------------------------------------------

  913.     // Set data (state)

  914. 

  915.     void prepareForSave() noexcept override

  916.     {

  917.         fSaved = false;

  918. 

  919.         {

  920.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  921. 

  922.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientPrepareForSave);

  923.             fShmNonRtClientControl.commitWrite();

  924.         }

  925.     }

  926. 

  927.     void waitForSaved()

  928.     {

  929.         if (fSaved)

  930.             return;

  931. 

  932.         // TODO: only wait 1 minute for NI plugins

  933.         const uint32_t timeoutEnd(Time::getMillisecondCounter() + 60*1000); // 60 secs, 1 minute

  934.         const bool needsEngineIdle(pData->engine->getType() != kEngineTypePlugin);

  935. 

  936.         carla_stdout("CarlaPluginBridge::waitForSaved() - now waiting...");

  937. 

  938.         for (; Time::getMillisecondCounter() < timeoutEnd && fBridgeThread.isThreadRunning();)

  939.         {

  940.             pData->engine->callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr);

  941. 

  942.             if (needsEngineIdle)

  943.                 pData->engine->idle();

  944. 

  945.             if (fSaved)

  946.                 break;

  947. 

  948.             carla_msleep(20);

  949.         }

  950. 

  951.         if (! fSaved)

  952.             carla_stderr("CarlaPluginBridge::waitForSaved() - Timeout while requesting save state");

  953.         else

  954.             carla_stdout("CarlaPluginBridge::waitForSaved() - success!");

  955.     }

  956. 

  957.     // -------------------------------------------------------------------

  958.     // Set data (internal stuff)

  959. 

  960.     void setOption(const uint option, const bool yesNo, const bool sendCallback) override

  961.     {

  962.         {

  963.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  964. 

  965.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetOption);

  966.             fShmNonRtClientControl.writeUInt(option);

  967.             fShmNonRtClientControl.writeBool(yesNo);

  968.             fShmNonRtClientControl.commitWrite();

  969.         }

  970. 

  971.         CarlaPlugin::setOption(option, yesNo, sendCallback);

  972.     }

  973. 

  974.     void setCtrlChannel(const int8_t channel, const bool sendOsc, const bool sendCallback) noexcept override

  975.     {

  976.         CARLA_SAFE_ASSERT_RETURN(sendOsc || sendCallback,); // never call this from RT

  977. 

  978.         {

  979.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  980. 

  981.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetCtrlChannel);

  982.             fShmNonRtClientControl.writeShort(channel);

  983.             fShmNonRtClientControl.commitWrite();

  984.         }

  985. 

  986.         CarlaPlugin::setCtrlChannel(channel, sendOsc, sendCallback);

  987.     }

  988. 

  989.     // -------------------------------------------------------------------

  990.     // Set data (plugin-specific stuff)

  991. 

  992.     void setParameterValue(const uint32_t parameterId, const float value, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  993.     {

  994.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback,); // never call this from RT

  995.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  996. 

  997.         const float fixedValue(pData->param.getFixedValue(parameterId, value));

  998.         fParams[parameterId].value = fixedValue;

  999. 

  1000.         {

  1001.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1002. 

  1003.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetParameterValue);

  1004.             fShmNonRtClientControl.writeUInt(parameterId);

  1005.             fShmNonRtClientControl.writeFloat(value);

  1006.             fShmNonRtClientControl.commitWrite();

  1007.             fShmNonRtClientControl.waitIfDataIsReachingLimit();

  1008.         }

  1009. 

  1010.         CarlaPlugin::setParameterValue(parameterId, fixedValue, sendGui, sendOsc, sendCallback);

  1011.     }

  1012. 

  1013.     void setParameterMidiChannel(const uint32_t parameterId, const uint8_t channel, const bool sendOsc, const bool sendCallback) noexcept override

  1014.     {

  1015.         CARLA_SAFE_ASSERT_RETURN(sendOsc || sendCallback,); // never call this from RT

  1016.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  1017.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1018. 

  1019.         {

  1020.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1021. 

  1022.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetParameterMidiChannel);

  1023.             fShmNonRtClientControl.writeUInt(parameterId);

  1024.             fShmNonRtClientControl.writeByte(channel);

  1025.             fShmNonRtClientControl.commitWrite();

  1026.         }

  1027. 

  1028.         CarlaPlugin::setParameterMidiChannel(parameterId, channel, sendOsc, sendCallback);

  1029.     }

  1030. 

  1031.     void setParameterMidiCC(const uint32_t parameterId, const int16_t cc, const bool sendOsc, const bool sendCallback) noexcept override

  1032.     {

  1033.         CARLA_SAFE_ASSERT_RETURN(sendOsc || sendCallback,); // never call this from RT

  1034.         CARLA_SAFE_ASSERT_RETURN(parameterId < pData->param.count,);

  1035.         CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc < MAX_MIDI_CONTROL,);

  1036. 

  1037.         {

  1038.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1039. 

  1040.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetParameterMidiCC);

  1041.             fShmNonRtClientControl.writeUInt(parameterId);

  1042.             fShmNonRtClientControl.writeShort(cc);

  1043.             fShmNonRtClientControl.commitWrite();

  1044.         }

  1045. 

  1046.         CarlaPlugin::setParameterMidiCC(parameterId, cc, sendOsc, sendCallback);

  1047.     }

  1048. 

  1049.     void setProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1050.     {

  1051.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback,); // never call this from RT

  1052.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->prog.count),);

  1053. 

  1054.         {

  1055.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1056. 

  1057.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetProgram);

  1058.             fShmNonRtClientControl.writeInt(index);

  1059.             fShmNonRtClientControl.commitWrite();

  1060.         }

  1061. 

  1062.         CarlaPlugin::setProgram(index, sendGui, sendOsc, sendCallback);

  1063.     }

  1064. 

  1065.     void setMidiProgram(const int32_t index, const bool sendGui, const bool sendOsc, const bool sendCallback) noexcept override

  1066.     {

  1067.         CARLA_SAFE_ASSERT_RETURN(sendGui || sendOsc || sendCallback,); // never call this from RT

  1068.         CARLA_SAFE_ASSERT_RETURN(index >= -1 && index < static_cast<int32_t>(pData->midiprog.count),);

  1069. 

  1070.         {

  1071.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1072. 

  1073.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetMidiProgram);

  1074.             fShmNonRtClientControl.writeInt(index);

  1075.             fShmNonRtClientControl.commitWrite();

  1076.         }

  1077. 

  1078.         CarlaPlugin::setMidiProgram(index, sendGui, sendOsc, sendCallback);

  1079.     }

  1080. 

  1081.     void setCustomData(const char* const type, const char* const key, const char* const value, const bool sendGui) override

  1082.     {

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

  1084.         CARLA_SAFE_ASSERT_RETURN(key != nullptr && key[0] != '\0',);

  1085.         CARLA_SAFE_ASSERT_RETURN(value != nullptr,);

  1086. 

  1087.         if (std::strcmp(type, CUSTOM_DATA_TYPE_PROPERTY) == 0)

  1088.             return CarlaPlugin::setCustomData(type, key, value, sendGui);

  1089. 

  1090.         if (std::strcmp(type, CUSTOM_DATA_TYPE_STRING) == 0 && std::strcmp(key, "__CarlaPingOnOff__") == 0)

  1091.         {

  1092.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1093. 

  1094.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientPingOnOff);

  1095.             fShmNonRtClientControl.writeBool(std::strcmp(value, "true") == 0);

  1096.             fShmNonRtClientControl.commitWrite();

  1097. 

  1098.             carla_stdout("Carla bridge server side, OnOff ping checks => %s", value);

  1099.             return;

  1100.         }

  1101. 

  1102.         const uint32_t typeLen(static_cast<uint32_t>(std::strlen(type)));

  1103.         const uint32_t keyLen(static_cast<uint32_t>(std::strlen(key)));

  1104.         const uint32_t valueLen(static_cast<uint32_t>(std::strlen(value)));

  1105. 

  1106.         {

  1107.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1108. 

  1109.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetCustomData);

  1110. 

  1111.             fShmNonRtClientControl.writeUInt(typeLen);

  1112.             fShmNonRtClientControl.writeCustomData(type, typeLen);

  1113. 

  1114.             fShmNonRtClientControl.writeUInt(keyLen);

  1115.             fShmNonRtClientControl.writeCustomData(key, keyLen);

  1116. 

  1117.             fShmNonRtClientControl.writeUInt(valueLen);

  1118.             fShmNonRtClientControl.writeCustomData(value, valueLen);

  1119. 

  1120.             fShmNonRtClientControl.commitWrite();

  1121.         }

  1122. 

  1123.         CarlaPlugin::setCustomData(type, key, value, sendGui);

  1124.     }

  1125. 

  1126.     void setChunkData(const void* const data, const std::size_t dataSize) override

  1127.     {

  1128.         CARLA_SAFE_ASSERT_RETURN(pData->options & PLUGIN_OPTION_USE_CHUNKS,);

  1129.         CARLA_SAFE_ASSERT_RETURN(data != nullptr,);

  1130.         CARLA_SAFE_ASSERT_RETURN(dataSize > 0,);

  1131. 

  1132.         carla_stdout("Carla bridge server side, setChunkData 001");

  1133. 

  1134.         CarlaString dataBase64(CarlaString::asBase64(data, dataSize));

  1135.         CARLA_SAFE_ASSERT_RETURN(dataBase64.length() > 0,);

  1136. 

  1137.         String filePath(File::getSpecialLocation(File::tempDirectory).getFullPathName());

  1138. 

  1139.         filePath += CARLA_OS_SEP_STR ".CarlaChunk_";

  1140.         filePath += fShmAudioPool.filename.buffer() + 18;

  1141. 

  1142.         if (File(filePath).replaceWithText(dataBase64.buffer()))

  1143.         {

  1144.             carla_stdout("Carla bridge server side, setChunkData 002");

  1145. 

  1146.             const uint32_t ulength(static_cast<uint32_t>(filePath.length()));

  1147. 

  1148.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1149. 

  1150.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetChunkDataFile);

  1151.             fShmNonRtClientControl.writeUInt(ulength);

  1152.             fShmNonRtClientControl.writeCustomData(filePath.toRawUTF8(), ulength);

  1153.             fShmNonRtClientControl.commitWrite();

  1154. 

  1155.             carla_stdout("Carla bridge server side, setChunkData sent");

  1156.         }

  1157. 

  1158.         // save data internally as well

  1159.         fInfo.chunk.resize(dataSize);

  1160.         std::memcpy(fInfo.chunk.data(), data, dataSize);

  1161. 

  1162.         carla_stdout("Carla bridge server side, setChunkData saved locally too");

  1163.     }

  1164. 

  1165.     // -------------------------------------------------------------------

  1166.     // Set ui stuff

  1167. 

  1168.     void showCustomUI(const bool yesNo) override

  1169.     {

  1170.         {

  1171.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1172. 

  1173.             fShmNonRtClientControl.writeOpcode(yesNo ? kPluginBridgeNonRtClientShowUI : kPluginBridgeNonRtClientHideUI);

  1174.             fShmNonRtClientControl.commitWrite();

  1175.         }

  1176. 

  1177. #ifndef BUILD_BRIDGE

  1178.         if (yesNo)

  1179.         {

  1180.             pData->tryTransient();

  1181.         }

  1182.         else

  1183.         {

  1184.             pData->transientTryCounter = 0;

  1185.         }

  1186. #endif

  1187.     }

  1188. 

  1189.     void idle() override

  1190.     {

  1191.         if (fBridgeThread.isThreadRunning())

  1192.         {

  1193.             if (fInitiated && fTimedOut && pData->active)

  1194.                 setActive(false, true, true);

  1195. 

  1196.             {

  1197.                 const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1198. 

  1199.                 fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientPing);

  1200.                 fShmNonRtClientControl.commitWrite();

  1201.             }

  1202. 

  1203.             try {

  1204.                 handleNonRtData();

  1205.             } CARLA_SAFE_EXCEPTION("handleNonRtData");

  1206.         }

  1207.         else if (fInitiated)

  1208.         {

  1209.             fTimedOut   = true;

  1210.             fTimedError = true;

  1211.             fInitiated  = false;

  1212.             pData->engine->callback(ENGINE_CALLBACK_PLUGIN_UNAVAILABLE, pData->id, 0, 0, 0.0f, "plugin bridge has been stopped or crashed");

  1213.         }

  1214. 

  1215.         CarlaPlugin::idle();

  1216.     }

  1217. 

  1218.     // -------------------------------------------------------------------

  1219.     // Plugin state

  1220. 

  1221.     void reload() override

  1222.     {

  1223.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr,);

  1224.         carla_debug("CarlaPluginBridge::reload() - start");

  1225. 

  1226.         const EngineProcessMode processMode(pData->engine->getProccessMode());

  1227. 

  1228.         // Safely disable plugin for reload

  1229.         const ScopedDisabler sd(this);

  1230. 

  1231.         bool needsCtrlIn, needsCtrlOut;

  1232.         needsCtrlIn = needsCtrlOut = false;

  1233. 

  1234.         if (fInfo.aIns > 0)

  1235.         {

  1236.             pData->audioIn.createNew(fInfo.aIns);

  1237.         }

  1238. 

  1239.         if (fInfo.aOuts > 0)

  1240.         {

  1241.             pData->audioOut.createNew(fInfo.aOuts);

  1242.             needsCtrlIn = true;

  1243.         }

  1244. 

  1245.         if (fInfo.cvIns > 0)

  1246.         {

  1247.             pData->cvIn.createNew(fInfo.cvIns);

  1248.         }

  1249. 

  1250.         if (fInfo.cvOuts > 0)

  1251.         {

  1252.             pData->cvOut.createNew(fInfo.cvOuts);

  1253.         }

  1254. 

  1255.         if (fInfo.mIns > 0)

  1256.             needsCtrlIn = true;

  1257. 

  1258.         if (fInfo.mOuts > 0)

  1259.             needsCtrlOut = true;

  1260. 

  1261.         const uint portNameSize(pData->engine->getMaxPortNameSize());

  1262.         CarlaString portName;

  1263. 

  1264.         // Audio Ins

  1265.         for (uint32_t j=0; j < fInfo.aIns; ++j)

  1266.         {

  1267.             portName.clear();

  1268. 

  1269.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1270.             {

  1271.                 portName  = pData->name;

  1272.                 portName += ":";

  1273.             }

  1274. 

  1275.             if (fInfo.aIns > 1)

  1276.             {

  1277.                 portName += "input_";

  1278.                 portName += CarlaString(j+1);

  1279.             }

  1280.             else

  1281.                 portName += "input";

  1282. 

  1283.             portName.truncate(portNameSize);

  1284. 

  1285.             pData->audioIn.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, true, j);

  1286.             pData->audioIn.ports[j].rindex = j;

  1287.         }

  1288. 

  1289.         // Audio Outs

  1290.         for (uint32_t j=0; j < fInfo.aOuts; ++j)

  1291.         {

  1292.             portName.clear();

  1293. 

  1294.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1295.             {

  1296.                 portName  = pData->name;

  1297.                 portName += ":";

  1298.             }

  1299. 

  1300.             if (fInfo.aOuts > 1)

  1301.             {

  1302.                 portName += "output_";

  1303.                 portName += CarlaString(j+1);

  1304.             }

  1305.             else

  1306.                 portName += "output";

  1307. 

  1308.             portName.truncate(portNameSize);

  1309. 

  1310.             pData->audioOut.ports[j].port   = (CarlaEngineAudioPort*)pData->client->addPort(kEnginePortTypeAudio, portName, false, j);

  1311.             pData->audioOut.ports[j].rindex = j;

  1312.         }

  1313. 

  1314.         // TODO - CV

  1315. 

  1316.         if (needsCtrlIn)

  1317.         {

  1318.             portName.clear();

  1319. 

  1320.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1321.             {

  1322.                 portName  = pData->name;

  1323.                 portName += ":";

  1324.             }

  1325. 

  1326.             portName += "event-in";

  1327.             portName.truncate(portNameSize);

  1328. 

  1329.             pData->event.portIn = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, true, 0);

  1330.         }

  1331. 

  1332.         if (needsCtrlOut)

  1333.         {

  1334.             portName.clear();

  1335. 

  1336.             if (processMode == ENGINE_PROCESS_MODE_SINGLE_CLIENT)

  1337.             {

  1338.                 portName  = pData->name;

  1339.                 portName += ":";

  1340.             }

  1341. 

  1342.             portName += "event-out";

  1343.             portName.truncate(portNameSize);

  1344. 

  1345.             pData->event.portOut = (CarlaEngineEventPort*)pData->client->addPort(kEnginePortTypeEvent, portName, false, 0);

  1346.         }

  1347. 

  1348.         // extra plugin hints

  1349.         pData->extraHints = 0x0;

  1350. 

  1351.         if (fInfo.mIns > 0)

  1352.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_IN;

  1353. 

  1354.         if (fInfo.mOuts > 0)

  1355.             pData->extraHints |= PLUGIN_EXTRA_HINT_HAS_MIDI_OUT;

  1356. 

  1357.         if (fInfo.aIns <= 2 && fInfo.aOuts <= 2 && (fInfo.aIns == fInfo.aOuts || fInfo.aIns == 0 || fInfo.aOuts == 0))

  1358.             pData->extraHints |= PLUGIN_EXTRA_HINT_CAN_RUN_RACK;

  1359. 

  1360.         bufferSizeChanged(pData->engine->getBufferSize());

  1361.         reloadPrograms(true);

  1362. 

  1363.         carla_debug("CarlaPluginBridge::reload() - end");

  1364.     }

  1365. 

  1366.     // -------------------------------------------------------------------

  1367.     // Plugin processing

  1368. 

  1369.     void activate() noexcept override

  1370.     {

  1371.         CARLA_SAFE_ASSERT_RETURN(! fTimedError,);

  1372. 

  1373.         {

  1374.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1375. 

  1376.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientActivate);

  1377.             fShmNonRtClientControl.commitWrite();

  1378.         }

  1379. 

  1380.         fTimedOut = false;

  1381. 

  1382.         try {

  1383.             waitForClient("activate", 2000);

  1384.         } CARLA_SAFE_EXCEPTION("activate - waitForClient");

  1385.     }

  1386. 

  1387.     void deactivate() noexcept override

  1388.     {

  1389.         CARLA_SAFE_ASSERT_RETURN(! fTimedError,);

  1390. 

  1391.         {

  1392.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1393. 

  1394.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientDeactivate);

  1395.             fShmNonRtClientControl.commitWrite();

  1396.         }

  1397. 

  1398.         fTimedOut = false;

  1399. 

  1400.         try {

  1401.             waitForClient("deactivate", 2000);

  1402.         } CARLA_SAFE_EXCEPTION("deactivate - waitForClient");

  1403.     }

  1404. 

  1405.     void process(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames) override

  1406.     {

  1407.         // --------------------------------------------------------------------------------------------------------

  1408.         // Check if active

  1409. 

  1410.         if (fTimedOut || fTimedError || ! pData->active)

  1411.         {

  1412.             // disable any output sound

  1413.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1414.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1415.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1416.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1417.             return;

  1418.         }

  1419. 

  1420.         // --------------------------------------------------------------------------------------------------------

  1421.         // Check if needs reset

  1422. 

  1423.         if (pData->needsReset)

  1424.         {

  1425.             // TODO

  1426. 

  1427.             pData->needsReset = false;

  1428.         }

  1429. 

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

  1431.         // Event Input

  1432. 

  1433.         if (pData->event.portIn != nullptr)

  1434.         {

  1435.             // ----------------------------------------------------------------------------------------------------

  1436.             // MIDI Input (External)

  1437. 

  1438.             if (pData->extNotes.mutex.tryLock())

  1439.             {

  1440.                 for (RtLinkedList<ExternalMidiNote>::Itenerator it = pData->extNotes.data.begin2(); it.valid(); it.next())

  1441.                 {

  1442.                     const ExternalMidiNote& note(it.getValue());

  1443. 

  1444.                     CARLA_SAFE_ASSERT_CONTINUE(note.channel >= 0 && note.channel < MAX_MIDI_CHANNELS);

  1445. 

  1446.                     uint8_t data1, data2, data3;

  1447.                     data1 = uint8_t((note.velo > 0 ? MIDI_STATUS_NOTE_ON : MIDI_STATUS_NOTE_OFF) | (note.channel & MIDI_CHANNEL_BIT));

  1448.                     data2 = note.note;

  1449.                     data3 = note.velo;

  1450. 

  1451.                     fShmRtClientControl.writeOpcode(kPluginBridgeRtClientMidiEvent);

  1452.                     fShmRtClientControl.writeUInt(0); // time

  1453.                     fShmRtClientControl.writeByte(0); // port

  1454.                     fShmRtClientControl.writeByte(3); // size

  1455.                     fShmRtClientControl.writeByte(data1);

  1456.                     fShmRtClientControl.writeByte(data2);

  1457.                     fShmRtClientControl.writeByte(data3);

  1458.                     fShmRtClientControl.commitWrite();

  1459.                 }

  1460. 

  1461.                 pData->extNotes.data.clear();

  1462.                 pData->extNotes.mutex.unlock();

  1463. 

  1464.             } // End of MIDI Input (External)

  1465. 

  1466.             // ----------------------------------------------------------------------------------------------------

  1467.             // Event Input (System)

  1468. 

  1469. #ifndef BUILD_BRIDGE

  1470.             bool allNotesOffSent = false;

  1471. #endif

  1472. 

  1473.             for (uint32_t i=0, numEvents=pData->event.portIn->getEventCount(); i < numEvents; ++i)

  1474.             {

  1475.                 const EngineEvent& event(pData->event.portIn->getEvent(i));

  1476. 

  1477.                 // Control change

  1478.                 switch (event.type)

  1479.                 {

  1480.                 case kEngineEventTypeNull:

  1481.                     break;

  1482. 

  1483.                 case kEngineEventTypeControl: {

  1484.                     const EngineControlEvent& ctrlEvent = event.ctrl;

  1485. 

  1486.                     switch (ctrlEvent.type)

  1487.                     {

  1488.                     case kEngineControlEventTypeNull:

  1489.                         break;

  1490. 

  1491.                     case kEngineControlEventTypeParameter:

  1492. #ifndef BUILD_BRIDGE

  1493.                         // Control backend stuff

  1494.                         if (event.channel == pData->ctrlChannel)

  1495.                         {

  1496.                             float value;

  1497. 

  1498.                             if (MIDI_IS_CONTROL_BREATH_CONTROLLER(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_DRYWET) != 0)

  1499.                             {

  1500.                                 value = ctrlEvent.value;

  1501.                                 setDryWet(value, false, false);

  1502.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_DRYWET, 0, value);

  1503.                                 break;

  1504.                             }

  1505. 

  1506.                             if (MIDI_IS_CONTROL_CHANNEL_VOLUME(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_VOLUME) != 0)

  1507.                             {

  1508.                                 value = ctrlEvent.value*127.0f/100.0f;

  1509.                                 setVolume(value, false, false);

  1510.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_VOLUME, 0, value);

  1511.                                 break;

  1512.                             }

  1513. 

  1514.                             if (MIDI_IS_CONTROL_BALANCE(ctrlEvent.param) && (pData->hints & PLUGIN_CAN_BALANCE) != 0)

  1515.                             {

  1516.                                 float left, right;

  1517.                                 value = ctrlEvent.value/0.5f - 1.0f;

  1518. 

  1519.                                 if (value < 0.0f)

  1520.                                 {

  1521.                                     left  = -1.0f;

  1522.                                     right = (value*2.0f)+1.0f;

  1523.                                 }

  1524.                                 else if (value > 0.0f)

  1525.                                 {

  1526.                                     left  = (value*2.0f)-1.0f;

  1527.                                     right = 1.0f;

  1528.                                 }

  1529.                                 else

  1530.                                 {

  1531.                                     left  = -1.0f;

  1532.                                     right = 1.0f;

  1533.                                 }

  1534. 

  1535.                                 setBalanceLeft(left, false, false);

  1536.                                 setBalanceRight(right, false, false);

  1537.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_LEFT, 0, left);

  1538.                                 pData->postponeRtEvent(kPluginPostRtEventParameterChange, PARAMETER_BALANCE_RIGHT, 0, right);

  1539.                                 break;

  1540.                             }

  1541.                         }

  1542. #endif

  1543.                         fShmRtClientControl.writeOpcode(kPluginBridgeRtClientControlEventParameter);

  1544.                         fShmRtClientControl.writeUInt(event.time);

  1545.                         fShmRtClientControl.writeByte(event.channel);

  1546.                         fShmRtClientControl.writeUShort(event.ctrl.param);

  1547.                         fShmRtClientControl.writeFloat(event.ctrl.value);

  1548.                         fShmRtClientControl.commitWrite();

  1549.                         break;

  1550. 

  1551.                     case kEngineControlEventTypeMidiBank:

  1552.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1553.                         {

  1554.                             fShmRtClientControl.writeOpcode(kPluginBridgeRtClientControlEventMidiBank);

  1555.                             fShmRtClientControl.writeUInt(event.time);

  1556.                             fShmRtClientControl.writeByte(event.channel);

  1557.                             fShmRtClientControl.writeUShort(event.ctrl.param);

  1558.                             fShmRtClientControl.commitWrite();

  1559.                         }

  1560.                         break;

  1561. 

  1562.                     case kEngineControlEventTypeMidiProgram:

  1563.                         if (pData->options & PLUGIN_OPTION_MAP_PROGRAM_CHANGES)

  1564.                         {

  1565.                             fShmRtClientControl.writeOpcode(kPluginBridgeRtClientControlEventMidiProgram);

  1566.                             fShmRtClientControl.writeUInt(event.time);

  1567.                             fShmRtClientControl.writeByte(event.channel);

  1568.                             fShmRtClientControl.writeUShort(event.ctrl.param);

  1569.                             fShmRtClientControl.commitWrite();

  1570.                         }

  1571.                         break;

  1572. 

  1573.                     case kEngineControlEventTypeAllSoundOff:

  1574.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1575.                         {

  1576.                             fShmRtClientControl.writeOpcode(kPluginBridgeRtClientControlEventAllSoundOff);

  1577.                             fShmRtClientControl.writeUInt(event.time);

  1578.                             fShmRtClientControl.writeByte(event.channel);

  1579.                             fShmRtClientControl.commitWrite();

  1580.                         }

  1581.                         break;

  1582. 

  1583.                     case kEngineControlEventTypeAllNotesOff:

  1584.                         if (pData->options & PLUGIN_OPTION_SEND_ALL_SOUND_OFF)

  1585.                         {

  1586. #ifndef BUILD_BRIDGE

  1587.                             if (event.channel == pData->ctrlChannel && ! allNotesOffSent)

  1588.                             {

  1589.                                 allNotesOffSent = true;

  1590.                                 sendMidiAllNotesOffToCallback();

  1591.                             }

  1592. #endif

  1593. 

  1594.                             fShmRtClientControl.writeOpcode(kPluginBridgeRtClientControlEventAllNotesOff);

  1595.                             fShmRtClientControl.writeUInt(event.time);

  1596.                             fShmRtClientControl.writeByte(event.channel);

  1597.                             fShmRtClientControl.commitWrite();

  1598.                         }

  1599.                         break;

  1600.                     } // switch (ctrlEvent.type)

  1601.                     break;

  1602.                 } // case kEngineEventTypeControl

  1603. 

  1604.                 case kEngineEventTypeMidi: {

  1605.                     const EngineMidiEvent& midiEvent(event.midi);

  1606. 

  1607.                     if (midiEvent.size == 0 || midiEvent.size >= MAX_MIDI_VALUE)

  1608.                         continue;

  1609. 

  1610.                     const uint8_t* const midiData(midiEvent.size > EngineMidiEvent::kDataSize ? midiEvent.dataExt : midiEvent.data);

  1611. 

  1612.                     uint8_t status = uint8_t(MIDI_GET_STATUS_FROM_DATA(midiData));

  1613. 

  1614.                     if (status == MIDI_STATUS_CHANNEL_PRESSURE && (pData->options & PLUGIN_OPTION_SEND_CHANNEL_PRESSURE) == 0)

  1615.                         continue;

  1616.                     if (status == MIDI_STATUS_CONTROL_CHANGE && (pData->options & PLUGIN_OPTION_SEND_CONTROL_CHANGES) == 0)

  1617.                         continue;

  1618.                     if (status == MIDI_STATUS_POLYPHONIC_AFTERTOUCH && (pData->options & PLUGIN_OPTION_SEND_NOTE_AFTERTOUCH) == 0)

  1619.                         continue;

  1620.                     if (status == MIDI_STATUS_PITCH_WHEEL_CONTROL && (pData->options & PLUGIN_OPTION_SEND_PITCHBEND) == 0)

  1621.                         continue;

  1622. 

  1623.                     // Fix bad note-off

  1624.                     if (status == MIDI_STATUS_NOTE_ON && midiData[2] == 0)

  1625.                         status = MIDI_STATUS_NOTE_OFF;

  1626. 

  1627.                     fShmRtClientControl.writeOpcode(kPluginBridgeRtClientMidiEvent);

  1628.                     fShmRtClientControl.writeUInt(event.time);

  1629.                     fShmRtClientControl.writeByte(midiEvent.port);

  1630.                     fShmRtClientControl.writeByte(midiEvent.size);

  1631. 

  1632.                     fShmRtClientControl.writeByte(uint8_t(midiData[0] | (event.channel & MIDI_CHANNEL_BIT)));

  1633. 

  1634.                     for (uint8_t j=1; j < midiEvent.size; ++j)

  1635.                         fShmRtClientControl.writeByte(midiData[j]);

  1636. 

  1637.                     fShmRtClientControl.commitWrite();

  1638. 

  1639.                     if (status == MIDI_STATUS_NOTE_ON)

  1640.                         pData->postponeRtEvent(kPluginPostRtEventNoteOn, event.channel, midiData[1], midiData[2]);

  1641.                     else if (status == MIDI_STATUS_NOTE_OFF)

  1642.                         pData->postponeRtEvent(kPluginPostRtEventNoteOff, event.channel, midiData[1], 0.0f);

  1643.                 } break;

  1644.                 }

  1645.             }

  1646. 

  1647.             pData->postRtEvents.trySplice();

  1648. 

  1649.         } // End of Event Input

  1650. 

  1651.         if (! processSingle(audioIn, audioOut, cvIn, cvOut, frames))

  1652.             return;

  1653. 

  1654.         // --------------------------------------------------------------------------------------------------------

  1655.         // Control and MIDI Output

  1656. 

  1657.         if (pData->event.portOut != nullptr)

  1658.         {

  1659.             float value;

  1660. 

  1661.             for (uint32_t k=0; k < pData->param.count; ++k)

  1662.             {

  1663.                 if (pData->param.data[k].type != PARAMETER_OUTPUT)

  1664.                     continue;

  1665. 

  1666.                 if (pData->param.data[k].midiCC > 0)

  1667.                 {

  1668.                     value = pData->param.ranges[k].getNormalizedValue(fParams[k].value);

  1669.                     pData->event.portOut->writeControlEvent(0, pData->param.data[k].midiChannel, kEngineControlEventTypeParameter, static_cast<uint16_t>(pData->param.data[k].midiCC), value);

  1670.                 }

  1671.             }

  1672. 

  1673.             uint8_t size;

  1674.             uint32_t time;

  1675.             const uint8_t* midiData(fShmRtClientControl.data->midiOut);

  1676. 

  1677.             for (std::size_t read=0; read<kBridgeRtClientDataMidiOutSize;)

  1678.             {

  1679.                 size = *midiData;

  1680. 

  1681.                 if (size == 0)

  1682.                     break;

  1683. 

  1684.                 // advance 8 bits (1 byte)

  1685.                 midiData = midiData + 1;

  1686. 

  1687.                 // get time as 32bit

  1688.                 time = *(const uint32_t*)midiData;

  1689. 

  1690.                 // advance 32 bits (4 bytes)

  1691.                 midiData = midiData + 4;

  1692. 

  1693.                 // store midi data advancing as needed

  1694.                 uint8_t data[size];

  1695. 

  1696.                 for (uint8_t j=0; j<size; ++j)

  1697.                     data[j] = *midiData++;

  1698. 

  1699.                 pData->event.portOut->writeMidiEvent(time, size, data);

  1700. 

  1701.                 read += 1U /* size*/ + 4U /* time */ + size;

  1702.             }

  1703. 

  1704.         } // End of Control and MIDI Output

  1705.     }

  1706. 

  1707.     bool processSingle(const float** const audioIn, float** const audioOut, const float** const cvIn, float** const cvOut, const uint32_t frames)

  1708.     {

  1709.         CARLA_SAFE_ASSERT_RETURN(! fTimedError, false);

  1710.         CARLA_SAFE_ASSERT_RETURN(frames > 0, false);

  1711. 

  1712.         if (pData->audioIn.count > 0)

  1713.         {

  1714.             CARLA_SAFE_ASSERT_RETURN(audioIn != nullptr, false);

  1715.         }

  1716.         if (pData->audioOut.count > 0)

  1717.         {

  1718.             CARLA_SAFE_ASSERT_RETURN(audioOut != nullptr, false);

  1719.         }

  1720.         if (pData->cvIn.count > 0)

  1721.         {

  1722.             CARLA_SAFE_ASSERT_RETURN(cvIn != nullptr, false);

  1723.         }

  1724.         if (pData->cvOut.count > 0)

  1725.         {

  1726.             CARLA_SAFE_ASSERT_RETURN(cvOut != nullptr, false);

  1727.         }

  1728. 

  1729.         // --------------------------------------------------------------------------------------------------------

  1730.         // Try lock, silence otherwise

  1731. 

  1732.         if (pData->engine->isOffline())

  1733.         {

  1734.             pData->singleMutex.lock();

  1735.         }

  1736.         else if (! pData->singleMutex.tryLock())

  1737.         {

  1738.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1739.                 FloatVectorOperations::clear(audioOut[i], static_cast<int>(frames));

  1740.             for (uint32_t i=0; i < pData->cvOut.count; ++i)

  1741.                 FloatVectorOperations::clear(cvOut[i], static_cast<int>(frames));

  1742.             return false;

  1743.         }

  1744. 

  1745.         // --------------------------------------------------------------------------------------------------------

  1746.         // Reset audio buffers

  1747. 

  1748.         for (uint32_t i=0; i < fInfo.aIns; ++i)

  1749.             FloatVectorOperations::copy(fShmAudioPool.data + (i * frames), audioIn[i], static_cast<int>(frames));

  1750. 

  1751.         // --------------------------------------------------------------------------------------------------------

  1752.         // TimeInfo

  1753. 

  1754.         const EngineTimeInfo& timeInfo(pData->engine->getTimeInfo());

  1755.         BridgeTimeInfo& bridgeTimeInfo(fShmRtClientControl.data->timeInfo);

  1756. 

  1757.         bridgeTimeInfo.playing = timeInfo.playing;

  1758.         bridgeTimeInfo.frame   = timeInfo.frame;

  1759.         bridgeTimeInfo.usecs   = timeInfo.usecs;

  1760.         bridgeTimeInfo.valid   = timeInfo.valid;

  1761. 

  1762.         if (timeInfo.valid & EngineTimeInfo::kValidBBT)

  1763.         {

  1764.             bridgeTimeInfo.bar  = timeInfo.bbt.bar;

  1765.             bridgeTimeInfo.beat = timeInfo.bbt.beat;

  1766.             bridgeTimeInfo.tick = timeInfo.bbt.tick;

  1767. 

  1768.             bridgeTimeInfo.beatsPerBar = timeInfo.bbt.beatsPerBar;

  1769.             bridgeTimeInfo.beatType    = timeInfo.bbt.beatType;

  1770. 

  1771.             bridgeTimeInfo.ticksPerBeat   = timeInfo.bbt.ticksPerBeat;

  1772.             bridgeTimeInfo.beatsPerMinute = timeInfo.bbt.beatsPerMinute;

  1773.             bridgeTimeInfo.barStartTick   = timeInfo.bbt.barStartTick;

  1774.         }

  1775. 

  1776.         // --------------------------------------------------------------------------------------------------------

  1777.         // Run plugin

  1778. 

  1779.         {

  1780.             fShmRtClientControl.writeOpcode(kPluginBridgeRtClientProcess);

  1781.             fShmRtClientControl.commitWrite();

  1782.         }

  1783. 

  1784.         waitForClient("process", fProcWaitTime);

  1785. 

  1786.         if (fTimedOut)

  1787.         {

  1788.             pData->singleMutex.unlock();

  1789.             return false;

  1790.         }

  1791. 

  1792.         for (uint32_t i=0; i < fInfo.aOuts; ++i)

  1793.             FloatVectorOperations::copy(audioOut[i], fShmAudioPool.data + ((i + fInfo.aIns) * frames), static_cast<int>(frames));

  1794. 

  1795. #ifndef BUILD_BRIDGE

  1796.         // --------------------------------------------------------------------------------------------------------

  1797.         // Post-processing (dry/wet, volume and balance)

  1798. 

  1799.         {

  1800.             const bool doVolume  = (pData->hints & PLUGIN_CAN_VOLUME) != 0 && carla_isNotEqual(pData->postProc.volume, 1.0f);

  1801.             const bool doDryWet  = (pData->hints & PLUGIN_CAN_DRYWET) != 0 && carla_isNotEqual(pData->postProc.dryWet, 1.0f);

  1802.             const bool doBalance = (pData->hints & PLUGIN_CAN_BALANCE) != 0 && ! (carla_isEqual(pData->postProc.balanceLeft, -1.0f) && carla_isEqual(pData->postProc.balanceRight, 1.0f));

  1803. 

  1804.             bool isPair;

  1805.             float bufValue, oldBufLeft[doBalance ? frames : 1];

  1806. 

  1807.             for (uint32_t i=0; i < pData->audioOut.count; ++i)

  1808.             {

  1809.                 // Dry/Wet

  1810.                 if (doDryWet)

  1811.                 {

  1812.                     for (uint32_t k=0; k < frames; ++k)

  1813.                     {

  1814.                         bufValue        = audioIn[(pData->audioIn.count == 1) ? 0 : i][k];

  1815.                         audioOut[i][k] = (audioOut[i][k] * pData->postProc.dryWet) + (bufValue * (1.0f - pData->postProc.dryWet));

  1816.                     }

  1817.                 }

  1818. 

  1819.                 // Balance

  1820.                 if (doBalance)

  1821.                 {

  1822.                     isPair = (i % 2 == 0);

  1823. 

  1824.                     if (isPair)

  1825.                     {

  1826.                         CARLA_ASSERT(i+1 < pData->audioOut.count);

  1827.                         FloatVectorOperations::copy(oldBufLeft, audioOut[i], static_cast<int>(frames));

  1828.                     }

  1829. 

  1830.                     float balRangeL = (pData->postProc.balanceLeft  + 1.0f)/2.0f;

  1831.                     float balRangeR = (pData->postProc.balanceRight + 1.0f)/2.0f;

  1832. 

  1833.                     for (uint32_t k=0; k < frames; ++k)

  1834.                     {

  1835.                         if (isPair)

  1836.                         {

  1837.                             // left

  1838.                             audioOut[i][k]  = oldBufLeft[k]     * (1.0f - balRangeL);

  1839.                             audioOut[i][k] += audioOut[i+1][k] * (1.0f - balRangeR);

  1840.                         }

  1841.                         else

  1842.                         {

  1843.                             // right

  1844.                             audioOut[i][k]  = audioOut[i][k] * balRangeR;

  1845.                             audioOut[i][k] += oldBufLeft[k]   * balRangeL;

  1846.                         }

  1847.                     }

  1848.                 }

  1849. 

  1850.                 // Volume (and buffer copy)

  1851.                 if (doVolume)

  1852.                 {

  1853.                     for (uint32_t k=0; k < frames; ++k)

  1854.                         audioOut[i][k] *= pData->postProc.volume;

  1855.                 }

  1856.             }

  1857. 

  1858.         } // End of Post-processing

  1859. 

  1860. #endif // BUILD_BRIDGE

  1861. 

  1862.         // --------------------------------------------------------------------------------------------------------

  1863. 

  1864.         pData->singleMutex.unlock();

  1865.         return true;

  1866.     }

  1867. 

  1868.     void bufferSizeChanged(const uint32_t newBufferSize) override

  1869.     {

  1870.         resizeAudioPool(newBufferSize);

  1871. 

  1872.         {

  1873.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1874.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetBufferSize);

  1875.             fShmNonRtClientControl.writeUInt(newBufferSize);

  1876.             fShmNonRtClientControl.commitWrite();

  1877.         }

  1878. 

  1879.         //fProcWaitTime = newBufferSize*1000/pData->engine->getSampleRate();

  1880.         fProcWaitTime = 1000;

  1881. 

  1882.         waitForClient("buffersize", 1000);

  1883.     }

  1884. 

  1885.     void sampleRateChanged(const double newSampleRate) override

  1886.     {

  1887.         {

  1888.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1889.             fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetSampleRate);

  1890.             fShmNonRtClientControl.writeDouble(newSampleRate);

  1891.             fShmNonRtClientControl.commitWrite();

  1892.         }

  1893. 

  1894.         //fProcWaitTime = pData->engine->getBufferSize()*1000/newSampleRate;

  1895.         fProcWaitTime = 1000;

  1896. 

  1897.         waitForClient("samplerate", 1000);

  1898.     }

  1899. 

  1900.     void offlineModeChanged(const bool isOffline) override

  1901.     {

  1902.         {

  1903.             const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1904.             fShmNonRtClientControl.writeOpcode(isOffline ? kPluginBridgeNonRtClientSetOffline : kPluginBridgeNonRtClientSetOnline);

  1905.             fShmNonRtClientControl.commitWrite();

  1906.         }

  1907. 

  1908.         waitForClient("offline", 1000);

  1909.     }

  1910. 

  1911.     // -------------------------------------------------------------------

  1912.     // Plugin buffers

  1913. 

  1914.     void clearBuffers() noexcept override

  1915.     {

  1916.         if (fParams != nullptr)

  1917.         {

  1918.             delete[] fParams;

  1919.             fParams = nullptr;

  1920.         }

  1921. 

  1922.         CarlaPlugin::clearBuffers();

  1923.     }

  1924. 

  1925.     // -------------------------------------------------------------------

  1926.     // Post-poned UI Stuff

  1927. 

  1928.     void uiParameterChange(const uint32_t index, const float value) noexcept override

  1929.     {

  1930.         CARLA_SAFE_ASSERT_RETURN(index < pData->param.count,);

  1931. 

  1932.         const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1933. 

  1934.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientUiParameterChange);

  1935.         fShmNonRtClientControl.writeUInt(index);

  1936.         fShmNonRtClientControl.writeFloat(value);

  1937.         fShmNonRtClientControl.commitWrite();

  1938.     }

  1939. 

  1940.     void uiProgramChange(const uint32_t index) noexcept override

  1941.     {

  1942.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  1943. 

  1944.         const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1945. 

  1946.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientUiProgramChange);

  1947.         fShmNonRtClientControl.writeUInt(index);

  1948.         fShmNonRtClientControl.commitWrite();

  1949.     }

  1950. 

  1951.     void uiMidiProgramChange(const uint32_t index) noexcept override

  1952.     {

  1953.         CARLA_SAFE_ASSERT_RETURN(index < pData->midiprog.count,);

  1954. 

  1955.         const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1956. 

  1957.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientUiMidiProgramChange);

  1958.         fShmNonRtClientControl.writeUInt(index);

  1959.         fShmNonRtClientControl.commitWrite();

  1960.     }

  1961. 

  1962.     void uiNoteOn(const uint8_t channel, const uint8_t note, const uint8_t velo) noexcept override

  1963.     {

  1964.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1965.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  1966.         CARLA_SAFE_ASSERT_RETURN(velo > 0 && velo < MAX_MIDI_VALUE,);

  1967. 

  1968.         const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1969. 

  1970.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientUiNoteOn);

  1971.         fShmNonRtClientControl.writeByte(channel);

  1972.         fShmNonRtClientControl.writeByte(note);

  1973.         fShmNonRtClientControl.writeByte(velo);

  1974.         fShmNonRtClientControl.commitWrite();

  1975.     }

  1976. 

  1977.     void uiNoteOff(const uint8_t channel, const uint8_t note) noexcept override

  1978.     {

  1979.         CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS,);

  1980.         CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_NOTE,);

  1981. 

  1982.         const CarlaMutexLocker _cml(fShmNonRtClientControl.mutex);

  1983. 

  1984.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientUiNoteOff);

  1985.         fShmNonRtClientControl.writeByte(channel);

  1986.         fShmNonRtClientControl.writeByte(note);

  1987.         fShmNonRtClientControl.commitWrite();

  1988.     }

  1989. 

  1990.     // -------------------------------------------------------------------

  1991. 

  1992.     void handleNonRtData()

  1993.     {

  1994.         for (; fShmNonRtServerControl.isDataAvailableForReading();)

  1995.         {

  1996.             const PluginBridgeNonRtServerOpcode opcode(fShmNonRtServerControl.readOpcode());

  1997. #ifdef DEBUG

  1998.             if (opcode != kPluginBridgeNonRtServerPong) {

  1999.                 carla_debug("CarlaPluginBridge::handleNonRtData() - got opcode: %s", PluginBridgeNonRtServerOpcode2str(opcode));

  2000.             }

  2001. #endif

  2002.             if (opcode != kPluginBridgeNonRtServerNull && fLastPongTime > 0)

  2003.                 fLastPongTime = Time::currentTimeMillis();

  2004. 

  2005.             switch (opcode)

  2006.             {

  2007.             case kPluginBridgeNonRtServerNull:

  2008.             case kPluginBridgeNonRtServerPong:

  2009.                 break;

  2010. 

  2011.             case kPluginBridgeNonRtServerPluginInfo1: {

  2012.                 // uint/category, uint/hints, uint/optionsAvailable, uint/optionsEnabled, long/uniqueId

  2013.                 const uint32_t category = fShmNonRtServerControl.readUInt();

  2014.                 const uint32_t hints    = fShmNonRtServerControl.readUInt();

  2015.                 const uint32_t optionAv = fShmNonRtServerControl.readUInt();

  2016.                 const uint32_t optionEn = fShmNonRtServerControl.readUInt();

  2017.                 const  int64_t uniqueId = fShmNonRtServerControl.readLong();

  2018. 

  2019.                 CARLA_SAFE_ASSERT_INT2(fUniqueId == uniqueId, fUniqueId, uniqueId);

  2020. 

  2021.                 pData->hints   = hints | PLUGIN_IS_BRIDGE;

  2022.                 pData->options = optionEn;

  2023. 

  2024.                 fInfo.category = static_cast<PluginCategory>(category);

  2025.                 fInfo.optionsAvailable = optionAv;

  2026.             }   break;

  2027. 

  2028.             case kPluginBridgeNonRtServerPluginInfo2: {

  2029.                 // uint/size, str[] (realName), uint/size, str[] (label), uint/size, str[] (maker), uint/size, str[] (copyright)

  2030. 

  2031.                 // realName

  2032.                 const uint32_t realNameSize(fShmNonRtServerControl.readUInt());

  2033.                 char realName[realNameSize+1];

  2034.                 carla_zeroChars(realName, realNameSize+1);

  2035.                 fShmNonRtServerControl.readCustomData(realName, realNameSize);

  2036. 

  2037.                 // label

  2038.                 const uint32_t labelSize(fShmNonRtServerControl.readUInt());

  2039.                 char label[labelSize+1];

  2040.                 carla_zeroChars(label, labelSize+1);

  2041.                 fShmNonRtServerControl.readCustomData(label, labelSize);

  2042. 

  2043.                 // maker

  2044.                 const uint32_t makerSize(fShmNonRtServerControl.readUInt());

  2045.                 char maker[makerSize+1];

  2046.                 carla_zeroChars(maker, makerSize+1);

  2047.                 fShmNonRtServerControl.readCustomData(maker, makerSize);

  2048. 

  2049.                 // copyright

  2050.                 const uint32_t copyrightSize(fShmNonRtServerControl.readUInt());

  2051.                 char copyright[copyrightSize+1];

  2052.                 carla_zeroChars(copyright, copyrightSize+1);

  2053.                 fShmNonRtServerControl.readCustomData(copyright, copyrightSize);

  2054. 

  2055.                 fInfo.name  = realName;

  2056.                 fInfo.label = label;

  2057.                 fInfo.maker = maker;

  2058.                 fInfo.copyright = copyright;

  2059. 

  2060.                 if (pData->name == nullptr)

  2061.                     pData->name = pData->engine->getUniquePluginName(realName);

  2062.             }   break;

  2063. 

  2064.             case kPluginBridgeNonRtServerAudioCount: {

  2065.                 // uint/ins, uint/outs

  2066.                 fInfo.aIns  = fShmNonRtServerControl.readUInt();

  2067.                 fInfo.aOuts = fShmNonRtServerControl.readUInt();

  2068.             }   break;

  2069. 

  2070.             case kPluginBridgeNonRtServerMidiCount: {

  2071.                 // uint/ins, uint/outs

  2072.                 fInfo.mIns  = fShmNonRtServerControl.readUInt();

  2073.                 fInfo.mOuts = fShmNonRtServerControl.readUInt();

  2074.             }   break;

  2075. 

  2076.             case kPluginBridgeNonRtServerParameterCount: {

  2077.                 // uint/count

  2078.                 const uint32_t count = fShmNonRtServerControl.readUInt();

  2079. 

  2080.                 // delete old data

  2081.                 pData->param.clear();

  2082. 

  2083.                 if (fParams != nullptr)

  2084.                 {

  2085.                     delete[] fParams;

  2086.                     fParams = nullptr;

  2087.                 }

  2088. 

  2089.                 if (count > 0)

  2090.                 {

  2091.                     pData->param.createNew(count, false);

  2092.                     fParams = new BridgeParamInfo[count];

  2093. 

  2094.                     // we might not receive all parameter data, so ensure range max is not 0

  2095.                     for (uint32_t i=0; i<count; ++i)

  2096.                     {

  2097.                         pData->param.ranges[i].def = 0.0f;

  2098.                         pData->param.ranges[i].min = 0.0f;

  2099.                         pData->param.ranges[i].max = 1.0f;

  2100.                         pData->param.ranges[i].step = 0.001f;

  2101.                         pData->param.ranges[i].stepSmall = 0.0001f;

  2102.                         pData->param.ranges[i].stepLarge = 0.1f;

  2103.                     }

  2104.                 }

  2105.             }   break;

  2106. 

  2107.             case kPluginBridgeNonRtServerProgramCount: {

  2108.                 // uint/count

  2109.                 pData->prog.clear();

  2110. 

  2111.                 if (const uint32_t count = fShmNonRtServerControl.readUInt())

  2112.                     pData->prog.createNew(static_cast<uint32_t>(count));

  2113. 

  2114.             }   break;

  2115. 

  2116.             case kPluginBridgeNonRtServerMidiProgramCount: {

  2117.                 // uint/count

  2118.                 pData->midiprog.clear();

  2119. 

  2120.                 if (const uint32_t count = fShmNonRtServerControl.readUInt())

  2121.                     pData->midiprog.createNew(static_cast<uint32_t>(count));

  2122. 

  2123.             }   break;

  2124. 

  2125.             case kPluginBridgeNonRtServerParameterData1: {

  2126.                 // uint/index, int/rindex, uint/type, uint/hints, int/cc

  2127.                 const uint32_t index  = fShmNonRtServerControl.readUInt();

  2128.                 const  int32_t rindex = fShmNonRtServerControl.readInt();

  2129.                 const uint32_t type   = fShmNonRtServerControl.readUInt();

  2130.                 const uint32_t hints  = fShmNonRtServerControl.readUInt();

  2131.                 const  int16_t midiCC = fShmNonRtServerControl.readShort();

  2132. 

  2133.                 CARLA_SAFE_ASSERT_BREAK(midiCC >= -1 && midiCC < MAX_MIDI_CONTROL);

  2134.                 CARLA_SAFE_ASSERT_INT2(index < pData->param.count, index, pData->param.count);

  2135. 

  2136.                 if (index < pData->param.count)

  2137.                 {

  2138.                     pData->param.data[index].type   = static_cast<ParameterType>(type);

  2139.                     pData->param.data[index].index  = static_cast<int32_t>(index);

  2140.                     pData->param.data[index].rindex = rindex;

  2141.                     pData->param.data[index].hints  = hints;

  2142.                     pData->param.data[index].midiCC = midiCC;

  2143.                 }

  2144.             }   break;

  2145. 

  2146.             case kPluginBridgeNonRtServerParameterData2: {

  2147.                 // uint/index, uint/size, str[] (name), uint/size, str[] (unit)

  2148.                 const uint32_t index = fShmNonRtServerControl.readUInt();

  2149. 

  2150.                 // name

  2151.                 const uint32_t nameSize(fShmNonRtServerControl.readUInt());

  2152.                 char name[nameSize+1];

  2153.                 carla_zeroChars(name, nameSize+1);

  2154.                 fShmNonRtServerControl.readCustomData(name, nameSize);

  2155. 

  2156.                 // symbol

  2157.                 const uint32_t symbolSize(fShmNonRtServerControl.readUInt());

  2158.                 char symbol[symbolSize+1];

  2159.                 carla_zeroChars(symbol, symbolSize+1);

  2160.                 fShmNonRtServerControl.readCustomData(symbol, symbolSize);

  2161. 

  2162.                 // unit

  2163.                 const uint32_t unitSize(fShmNonRtServerControl.readUInt());

  2164.                 char unit[unitSize+1];

  2165.                 carla_zeroChars(unit, unitSize+1);

  2166.                 fShmNonRtServerControl.readCustomData(unit, unitSize);

  2167. 

  2168.                 CARLA_SAFE_ASSERT_INT2(index < pData->param.count, index, pData->param.count);

  2169. 

  2170.                 if (index < pData->param.count)

  2171.                 {

  2172.                     fParams[index].name   = name;

  2173.                     fParams[index].symbol = symbol;

  2174.                     fParams[index].unit   = unit;

  2175.                 }

  2176.             }   break;

  2177. 

  2178.             case kPluginBridgeNonRtServerParameterRanges: {

  2179.                 // uint/index, float/def, float/min, float/max, float/step, float/stepSmall, float/stepLarge

  2180.                 const uint32_t index = fShmNonRtServerControl.readUInt();

  2181.                 const float def      = fShmNonRtServerControl.readFloat();

  2182.                 const float min      = fShmNonRtServerControl.readFloat();

  2183.                 const float max      = fShmNonRtServerControl.readFloat();

  2184.                 const float step      = fShmNonRtServerControl.readFloat();

  2185.                 const float stepSmall = fShmNonRtServerControl.readFloat();

  2186.                 const float stepLarge = fShmNonRtServerControl.readFloat();

  2187. 

  2188.                 CARLA_SAFE_ASSERT_BREAK(min < max);

  2189.                 CARLA_SAFE_ASSERT_BREAK(def >= min);

  2190.                 CARLA_SAFE_ASSERT_BREAK(def <= max);

  2191.                 CARLA_SAFE_ASSERT_INT2(index < pData->param.count, index, pData->param.count);

  2192. 

  2193.                 if (index < pData->param.count)

  2194.                 {

  2195.                     pData->param.ranges[index].def = def;

  2196.                     pData->param.ranges[index].min = min;

  2197.                     pData->param.ranges[index].max = max;

  2198.                     pData->param.ranges[index].step      = step;

  2199.                     pData->param.ranges[index].stepSmall = stepSmall;

  2200.                     pData->param.ranges[index].stepLarge = stepLarge;

  2201.                 }

  2202.             }   break;

  2203. 

  2204.             case kPluginBridgeNonRtServerParameterValue: {

  2205.                 // uint/index, float/value

  2206.                 const uint32_t index = fShmNonRtServerControl.readUInt();

  2207.                 const float    value = fShmNonRtServerControl.readFloat();

  2208. 

  2209.                 if (index < pData->param.count)

  2210.                 {

  2211.                     const float fixedValue(pData->param.getFixedValue(index, value));

  2212.                     fParams[index].value = fixedValue;

  2213. 

  2214.                     CarlaPlugin::setParameterValue(index, fixedValue, false, true, true);

  2215.                 }

  2216.             }   break;

  2217. 

  2218.             case kPluginBridgeNonRtServerParameterValue2: {

  2219.                 // uint/index, float/value

  2220.                 const uint32_t index = fShmNonRtServerControl.readUInt();

  2221.                 const float    value = fShmNonRtServerControl.readFloat();

  2222. 

  2223.                 if (index < pData->param.count)

  2224.                 {

  2225.                     const float fixedValue(pData->param.getFixedValue(index, value));

  2226.                     fParams[index].value = fixedValue;

  2227.                 }

  2228.             }   break;

  2229. 

  2230.             case kPluginBridgeNonRtServerDefaultValue: {

  2231.                 // uint/index, float/value

  2232.                 const uint32_t index = fShmNonRtServerControl.readUInt();

  2233.                 const float    value = fShmNonRtServerControl.readFloat();

  2234. 

  2235.                 if (index < pData->param.count)

  2236.                     pData->param.ranges[index].def = value;

  2237.             }   break;

  2238. 

  2239.             case kPluginBridgeNonRtServerCurrentProgram: {

  2240.                 // int/index

  2241.                 const int32_t index = fShmNonRtServerControl.readInt();

  2242. 

  2243.                 CARLA_SAFE_ASSERT_BREAK(index >= -1);

  2244.                 CARLA_SAFE_ASSERT_INT2(index < static_cast<int32_t>(pData->prog.count), index, pData->prog.count);

  2245. 

  2246.                 CarlaPlugin::setProgram(index, false, true, true);

  2247.             }   break;

  2248. 

  2249.             case kPluginBridgeNonRtServerCurrentMidiProgram: {

  2250.                 // int/index

  2251.                 const int32_t index = fShmNonRtServerControl.readInt();

  2252. 

  2253.                 CARLA_SAFE_ASSERT_BREAK(index >= -1);

  2254.                 CARLA_SAFE_ASSERT_INT2(index < static_cast<int32_t>(pData->midiprog.count), index, pData->midiprog.count);

  2255. 

  2256.                 CarlaPlugin::setMidiProgram(index, false, true, true);

  2257.             }   break;

  2258. 

  2259.             case kPluginBridgeNonRtServerProgramName: {

  2260.                 // uint/index, uint/size, str[] (name)

  2261.                 const uint32_t index = fShmNonRtServerControl.readUInt();

  2262. 

  2263.                 // name

  2264.                 const uint32_t nameSize(fShmNonRtServerControl.readUInt());

  2265.                 char name[nameSize+1];

  2266.                 carla_zeroChars(name, nameSize+1);

  2267.                 fShmNonRtServerControl.readCustomData(name, nameSize);

  2268. 

  2269.                 CARLA_SAFE_ASSERT_INT2(index < pData->prog.count, index, pData->prog.count);

  2270. 

  2271.                 if (index < pData->prog.count)

  2272.                 {

  2273.                     if (pData->prog.names[index] != nullptr)

  2274.                         delete[] pData->prog.names[index];

  2275.                     pData->prog.names[index] = carla_strdup(name);

  2276.                 }

  2277.             }   break;

  2278. 

  2279.             case kPluginBridgeNonRtServerMidiProgramData: {

  2280.                 // uint/index, uint/bank, uint/program, uint/size, str[] (name)

  2281.                 const uint32_t index   = fShmNonRtServerControl.readUInt();

  2282.                 const uint32_t bank    = fShmNonRtServerControl.readUInt();

  2283.                 const uint32_t program = fShmNonRtServerControl.readUInt();

  2284. 

  2285.                 // name

  2286.                 const uint32_t nameSize(fShmNonRtServerControl.readUInt());

  2287.                 char name[nameSize+1];

  2288.                 carla_zeroChars(name, nameSize+1);

  2289.                 fShmNonRtServerControl.readCustomData(name, nameSize);

  2290. 

  2291.                 CARLA_SAFE_ASSERT_INT2(index < pData->midiprog.count, index, pData->midiprog.count);

  2292. 

  2293.                 if (index < pData->midiprog.count)

  2294.                 {

  2295.                     if (pData->midiprog.data[index].name != nullptr)

  2296.                         delete[] pData->midiprog.data[index].name;

  2297.                     pData->midiprog.data[index].bank    = bank;

  2298.                     pData->midiprog.data[index].program = program;

  2299.                     pData->midiprog.data[index].name    = carla_strdup(name);

  2300.                 }

  2301.             }   break;

  2302. 

  2303.             case kPluginBridgeNonRtServerSetCustomData: {

  2304.                 // uint/size, str[], uint/size, str[], uint/size, str[]

  2305. 

  2306.                 // type

  2307.                 const uint32_t typeSize(fShmNonRtServerControl.readUInt());

  2308.                 char type[typeSize+1];

  2309.                 carla_zeroChars(type, typeSize+1);

  2310.                 fShmNonRtServerControl.readCustomData(type, typeSize);

  2311. 

  2312.                 // key

  2313.                 const uint32_t keySize(fShmNonRtServerControl.readUInt());

  2314.                 char key[keySize+1];

  2315.                 carla_zeroChars(key, keySize+1);

  2316.                 fShmNonRtServerControl.readCustomData(key, keySize);

  2317. 

  2318.                 // value

  2319.                 const uint32_t valueSize(fShmNonRtServerControl.readUInt());

  2320.                 char value[valueSize+1];

  2321.                 carla_zeroChars(value, valueSize+1);

  2322.                 fShmNonRtServerControl.readCustomData(value, valueSize);

  2323. 

  2324.                 CarlaPlugin::setCustomData(type, key, value, false);

  2325.             }   break;

  2326. 

  2327.             case kPluginBridgeNonRtServerSetChunkDataFile: {

  2328.                 // uint/size, str[] (filename)

  2329. 

  2330.                 // chunkFilePath

  2331.                 const uint32_t chunkFilePathSize(fShmNonRtServerControl.readUInt());

  2332.                 char chunkFilePath[chunkFilePathSize+1];

  2333.                 carla_zeroChars(chunkFilePath, chunkFilePathSize+1);

  2334.                 fShmNonRtServerControl.readCustomData(chunkFilePath, chunkFilePathSize);

  2335. 

  2336.                 String realChunkFilePath(chunkFilePath);

  2337.                 carla_stdout("chunk save path BEFORE => %s", realChunkFilePath.toRawUTF8());

  2338. 

  2339. #ifndef CARLA_OS_WIN

  2340.                 // Using Wine, fix temp dir

  2341.                 if (fBinaryType == BINARY_WIN32 || fBinaryType == BINARY_WIN64)

  2342.                 {

  2343.                     // Get WINEPREFIX

  2344.                     String wineDir;

  2345.                     if (const char* const WINEPREFIX = getenv("WINEPREFIX"))

  2346.                         wineDir = String(WINEPREFIX);

  2347.                     else

  2348.                         wineDir = File::getSpecialLocation(File::userHomeDirectory).getFullPathName() + "/.wine";

  2349. 

  2350.                     const StringArray driveLetterSplit(StringArray::fromTokens(realChunkFilePath, ":/", ""));

  2351. 

  2352.                     realChunkFilePath  = wineDir;

  2353.                     realChunkFilePath += "/drive_";

  2354.                     realChunkFilePath += driveLetterSplit[0].toLowerCase();

  2355.                     realChunkFilePath += "/";

  2356.                     realChunkFilePath += driveLetterSplit[1];

  2357. 

  2358.                     realChunkFilePath  = realChunkFilePath.replace("\\", "/");

  2359.                     carla_stdout("chunk save path AFTER => %s", realChunkFilePath.toRawUTF8());

  2360.                 }

  2361. #endif

  2362. 

  2363.                 File chunkFile(realChunkFilePath);

  2364. 

  2365.                 if (chunkFile.existsAsFile())

  2366.                 {

  2367.                     fInfo.chunk = carla_getChunkFromBase64String(chunkFile.loadFileAsString().toRawUTF8());

  2368.                     chunkFile.deleteFile();

  2369.                     carla_stderr("chunk data final");

  2370.                 }

  2371.             }   break;

  2372. 

  2373.             case kPluginBridgeNonRtServerSetLatency: {

  2374.                 // uint

  2375.             }   break;

  2376. 

  2377.             case kPluginBridgeNonRtServerReady:

  2378.                 fInitiated = true;

  2379.                 break;

  2380. 

  2381.             case kPluginBridgeNonRtServerSaved:

  2382.                 fSaved = true;

  2383.                 break;

  2384. 

  2385.             case kPluginBridgeNonRtServerUiClosed:

  2386.                 pData->transientTryCounter = 0;

  2387.                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);

  2388.                 break;

  2389. 

  2390.             case kPluginBridgeNonRtServerError: {

  2391.                 // error

  2392.                 const uint32_t errorSize(fShmNonRtServerControl.readUInt());

  2393.                 char error[errorSize+1];

  2394.                 carla_zeroChars(error, errorSize+1);

  2395.                 fShmNonRtServerControl.readCustomData(error, errorSize);

  2396. 

  2397.                 if (fInitiated)

  2398.                 {

  2399.                     pData->engine->callback(ENGINE_CALLBACK_ERROR, pData->id, 0, 0, 0.0f, error);

  2400. 

  2401.                     // just in case

  2402.                     pData->engine->setLastError(error);

  2403.                     fInitError = true;

  2404.                 }

  2405.                 else

  2406.                 {

  2407.                     pData->engine->setLastError(error);

  2408.                     fInitError = true;

  2409.                     fInitiated = true;

  2410.                 }

  2411.             }   break;

  2412.             }

  2413.         }

  2414.     }

  2415. 

  2416.     // -------------------------------------------------------------------

  2417. 

  2418.     uintptr_t getUiBridgeProcessId() const noexcept override

  2419.     {

  2420.         return fBridgeThread.getProcessPID();

  2421.     }

  2422. 

  2423.     const void* getExtraStuff() const noexcept override

  2424.     {

  2425.         return fBridgeBinary.isNotEmpty() ? fBridgeBinary.buffer() : nullptr;

  2426.     }

  2427. 

  2428.     // -------------------------------------------------------------------

  2429. 

  2430.     bool init(const char* const filename, const char* const name, const char* const label, const int64_t uniqueId, const char* const bridgeBinary)

  2431.     {

  2432.         CARLA_SAFE_ASSERT_RETURN(pData->engine != nullptr, false);

  2433. 

  2434.         // ---------------------------------------------------------------

  2435.         // first checks

  2436. 

  2437.         if (pData->client != nullptr)

  2438.         {

  2439.             pData->engine->setLastError("Plugin client is already registered");

  2440.             return false;

  2441.         }

  2442. 

  2443.         if (bridgeBinary == nullptr || bridgeBinary[0] == '\0')

  2444.         {

  2445.             pData->engine->setLastError("null bridge binary");

  2446.             return false;

  2447.         }

  2448. 

  2449.         // ---------------------------------------------------------------

  2450.         // set info

  2451. 

  2452.         if (name != nullptr && name[0] != '\0')

  2453.             pData->name = pData->engine->getUniquePluginName(name);

  2454. 

  2455.         if (filename != nullptr && filename[0] != '\0')

  2456.             pData->filename = carla_strdup(filename);

  2457.         else

  2458.             pData->filename = carla_strdup("");

  2459. 

  2460.         fUniqueId     = uniqueId;

  2461.         fBridgeBinary = bridgeBinary;

  2462. 

  2463.         std::srand(static_cast<uint>(std::time(nullptr)));

  2464. 

  2465.         // ---------------------------------------------------------------

  2466.         // init sem/shm

  2467. 

  2468.         if (! fShmAudioPool.initialize())

  2469.         {

  2470.             carla_stdout("Failed to initialize shared memory audio pool");

  2471.             return false;

  2472.         }

  2473. 

  2474.         if (! fShmRtClientControl.initialize())

  2475.         {

  2476.             carla_stdout("Failed to initialize RT client control");

  2477.             fShmAudioPool.clear();

  2478.             return false;

  2479.         }

  2480. 

  2481.         if (! fShmNonRtClientControl.initialize())

  2482.         {

  2483.             carla_stdout("Failed to initialize Non-RT client control");

  2484.             fShmRtClientControl.clear();

  2485.             fShmAudioPool.clear();

  2486.             return false;

  2487.         }

  2488. 

  2489.         if (! fShmNonRtServerControl.initialize())

  2490.         {

  2491.             carla_stdout("Failed to initialize Non-RT server control");

  2492.             fShmNonRtClientControl.clear();

  2493.             fShmRtClientControl.clear();

  2494.             fShmAudioPool.clear();

  2495.             return false;

  2496.         }

  2497. 

  2498.         // ---------------------------------------------------------------

  2499. 

  2500.         carla_stdout("Carla Server Info:");

  2501.         carla_stdout("  sizeof(BridgeRtClientData):    " P_SIZE, sizeof(BridgeRtClientData));

  2502.         carla_stdout("  sizeof(BridgeNonRtClientData): " P_SIZE, sizeof(BridgeNonRtClientData));

  2503.         carla_stdout("  sizeof(BridgeNonRtServerData): " P_SIZE, sizeof(BridgeNonRtServerData));

  2504. 

  2505.         // initial values

  2506.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientNull);

  2507.         fShmNonRtClientControl.writeUInt(static_cast<uint32_t>(sizeof(BridgeRtClientData)));

  2508.         fShmNonRtClientControl.writeUInt(static_cast<uint32_t>(sizeof(BridgeNonRtClientData)));

  2509.         fShmNonRtClientControl.writeUInt(static_cast<uint32_t>(sizeof(BridgeNonRtServerData)));

  2510. 

  2511.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetBufferSize);

  2512.         fShmNonRtClientControl.writeUInt(pData->engine->getBufferSize());

  2513. 

  2514.         fShmNonRtClientControl.writeOpcode(kPluginBridgeNonRtClientSetSampleRate);

  2515.         fShmNonRtClientControl.writeDouble(pData->engine->getSampleRate());

  2516. 

  2517.         fShmNonRtClientControl.commitWrite();

  2518. 

  2519.         // testing dummy message

  2520.         fShmRtClientControl.writeOpcode(kPluginBridgeRtClientNull);

  2521.         fShmRtClientControl.commitWrite();

  2522. 

  2523.         // init bridge thread

  2524.         {

  2525.             char shmIdsStr[6*4+1];

  2526.             carla_zeroChars(shmIdsStr, 6*4+1);

  2527. 

  2528.             std::strncpy(shmIdsStr+6*0, &fShmAudioPool.filename[fShmAudioPool.filename.length()-6], 6);

  2529.             std::strncpy(shmIdsStr+6*1, &fShmRtClientControl.filename[fShmRtClientControl.filename.length()-6], 6);

  2530.             std::strncpy(shmIdsStr+6*2, &fShmNonRtClientControl.filename[fShmNonRtClientControl.filename.length()-6], 6);

  2531.             std::strncpy(shmIdsStr+6*3, &fShmNonRtServerControl.filename[fShmNonRtServerControl.filename.length()-6], 6);

  2532. 

  2533.             fBridgeThread.setData(bridgeBinary, label, shmIdsStr);

  2534.             fBridgeThread.startThread();

  2535.         }

  2536. 

  2537.         fInitiated = false;

  2538.         fLastPongTime = Time::currentTimeMillis();

  2539.         CARLA_SAFE_ASSERT(fLastPongTime > 0);

  2540. 

  2541.         static bool sFirstInit = true;

  2542. 

  2543.         int64_t timeoutEnd = 5000;

  2544. 

  2545.         if (sFirstInit)

  2546.             timeoutEnd *= 2;

  2547. #ifndef CARLA_OS_WIN

  2548.          if (fBinaryType == BINARY_WIN32 || fBinaryType == BINARY_WIN64)

  2549.             timeoutEnd *= 2;

  2550. #endif

  2551.         sFirstInit = false;

  2552. 

  2553.         const bool needsEngineIdle = pData->engine->getType() != kEngineTypePlugin;

  2554. 

  2555.         for (; Time::currentTimeMillis() < fLastPongTime + timeoutEnd && fBridgeThread.isThreadRunning();)

  2556.         {

  2557.             pData->engine->callback(ENGINE_CALLBACK_IDLE, 0, 0, 0, 0.0f, nullptr);

  2558. 

  2559.             if (needsEngineIdle)

  2560.                 pData->engine->idle();

  2561. 

  2562.             idle();

  2563. 

  2564.             if (fInitiated)

  2565.                 break;

  2566. 

  2567.             carla_msleep(20);

  2568.         }

  2569. 

  2570.         fLastPongTime = -1;

  2571. 

  2572.         if (fInitError || ! fInitiated)

  2573.         {

  2574.             fBridgeThread.stopThread(6000);

  2575. 

  2576.             if (! fInitError)

  2577.                 pData->engine->setLastError("Timeout while waiting for a response from plugin-bridge\n(or the plugin crashed on initialization?)");

  2578. 

  2579.             return false;

  2580.         }

  2581. 

  2582.         // ---------------------------------------------------------------

  2583.         // register client

  2584. 

  2585.         if (pData->name == nullptr)

  2586.         {

  2587.             if (label != nullptr && label[0] != '\0')

  2588.                 pData->name = pData->engine->getUniquePluginName(label);

  2589.             else

  2590.                 pData->name = pData->engine->getUniquePluginName("unknown");

  2591.         }

  2592. 

  2593.         pData->client = pData->engine->addClient(this);

  2594. 

  2595.         if (pData->client == nullptr || ! pData->client->isOk())

  2596.         {

  2597.             pData->engine->setLastError("Failed to register plugin client");

  2598.             return false;

  2599.         }

  2600. 

  2601.         return true;

  2602.     }

  2603. 

  2604. private:

  2605.     const BinaryType fBinaryType;

  2606.     const PluginType fPluginType;

  2607. 

  2608.     bool fInitiated;

  2609.     bool fInitError;

  2610.     bool fSaved;

  2611.     bool fTimedOut;

  2612.     bool fTimedError;

  2613.     uint fProcWaitTime;

  2614. 

  2615.     int64_t fLastPongTime;

  2616. 

  2617.     CarlaString             fBridgeBinary;

  2618.     CarlaPluginBridgeThread fBridgeThread;

  2619. 

  2620.     BridgeAudioPool          fShmAudioPool;

  2621.     BridgeRtClientControl    fShmRtClientControl;

  2622.     BridgeNonRtClientControl fShmNonRtClientControl;

  2623.     BridgeNonRtServerControl fShmNonRtServerControl;

  2624. 

  2625.     struct Info {

  2626.         uint32_t aIns, aOuts;

  2627.         uint32_t cvIns, cvOuts;

  2628.         uint32_t mIns, mOuts;

  2629.         PluginCategory category;

  2630.         uint optionsAvailable;

  2631.         CarlaString name;

  2632.         CarlaString label;

  2633.         CarlaString maker;

  2634.         CarlaString copyright;

  2635.         std::vector<uint8_t> chunk;

  2636. 

  2637.         Info()

  2638.             : aIns(0),

  2639.               aOuts(0),

  2640.               cvIns(0),

  2641.               cvOuts(0),

  2642.               mIns(0),

  2643.               mOuts(0),

  2644.               category(PLUGIN_CATEGORY_NONE),

  2645.               optionsAvailable(0),

  2646.               name(),

  2647.               label(),

  2648.               maker(),

  2649.               copyright(),

  2650.               chunk() {}

  2651.     } fInfo;

  2652. 

  2653.     int64_t fUniqueId;

  2654. 

  2655.     BridgeParamInfo* fParams;

  2656. 

  2657.     void resizeAudioPool(const uint32_t bufferSize)

  2658.     {

  2659.         fShmAudioPool.resize(bufferSize, fInfo.aIns+fInfo.aOuts, fInfo.cvIns+fInfo.cvOuts);

  2660. 

  2661.         fShmRtClientControl.writeOpcode(kPluginBridgeRtClientSetAudioPool);

  2662.         fShmRtClientControl.writeULong(static_cast<uint64_t>(fShmAudioPool.size));

  2663.         fShmRtClientControl.commitWrite();

  2664. 

  2665.         waitForClient("resize-pool", 5000);

  2666.     }

  2667. 

  2668.     void waitForClient(const char* const action, const uint msecs)

  2669.     {

  2670.         CARLA_SAFE_ASSERT_RETURN(! fTimedOut,);

  2671.         CARLA_SAFE_ASSERT_RETURN(! fTimedError,);

  2672. 

  2673.         if (fShmRtClientControl.waitForClient(msecs))

  2674.             return;

  2675. 

  2676.         fTimedOut = true;

  2677.         carla_stderr("waitForClient(%s) timed out", action);

  2678.     }

  2679. 

  2680.     CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaPluginBridge)

  2681. };

  2682. 

  2683. CARLA_BACKEND_END_NAMESPACE

  2684. 

  2685. // -------------------------------------------------------------------------------------------------------------------

  2686. 

  2687. CARLA_BACKEND_START_NAMESPACE

  2688. 

  2689. CarlaPlugin* CarlaPlugin::newBridge(const Initializer& init, BinaryType btype, PluginType ptype, const char* const bridgeBinary)

  2690. {

  2691.     carla_debug("CarlaPlugin::newBridge({%p, \"%s\", \"%s\", \"%s\"}, %s, %s, \"%s\")", init.engine, init.filename, init.name, init.label, BinaryType2Str(btype), PluginType2Str(ptype), bridgeBinary);

  2692. 

  2693.     if (bridgeBinary == nullptr || bridgeBinary[0] == '\0')

  2694.     {

  2695.         init.engine->setLastError("Bridge not possible, bridge-binary not found");

  2696.         return nullptr;

  2697.     }

  2698. 

  2699.     CarlaPluginBridge* const plugin(new CarlaPluginBridge(init.engine, init.id, btype, ptype));

  2700. 

  2701.     if (! plugin->init(init.filename, init.name, init.label, init.uniqueId, bridgeBinary))

  2702.     {

  2703.         delete plugin;

  2704.         return nullptr;

  2705.     }

  2706. 

  2707.     return plugin;

  2708. }

  2709. 

  2710. CARLA_BACKEND_END_NAMESPACE

  2711. 

  2712. // -------------------------------------------------------------------------------------------------------------------