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Carla
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Carla/source/backend/engine/CarlaEngineOsc.cpp

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  1. /*

  2.  * Carla Plugin Host

  3.  * Copyright (C) 2011-2014 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. #include "CarlaEngine.hpp"

  19. #include "CarlaEngineOsc.hpp"

  20. #include "CarlaPlugin.hpp"

  21. 

  22. #ifndef BUILD_BRIDGE

  23. # include "CarlaBridgeUtils.hpp"

  24. #endif

  25. 

  26. #include "CarlaMIDI.h"

  27. 

  28. CARLA_BACKEND_START_NAMESPACE

  29. 

  30. #ifndef BUILD_BRIDGE

  31. // -------------------------------------------------------------------

  32. // Bridge Helper, defined in BridgePlugin.cpp

  33. 

  34. extern int CarlaPluginSetOscBridgeInfo(CarlaPlugin* const plugin, const PluginBridgeInfoType type,

  35.                                        const int argc, const lo_arg* const* const argv, const char* const types);

  36. #endif

  37. 

  38. // -----------------------------------------------------------------------

  39. 

  40. CarlaEngineOsc::CarlaEngineOsc(CarlaEngine* const engine)

  41.     : fEngine(engine),

  42.       fServerTCP(nullptr),

  43.       fServerUDP(nullptr)

  44. {

  45.     CARLA_ASSERT(engine != nullptr);

  46.     carla_debug("CarlaEngineOsc::CarlaEngineOsc(%p)", engine);

  47. }

  48. 

  49. CarlaEngineOsc::~CarlaEngineOsc()

  50. {

  51.     CARLA_ASSERT(fName.isEmpty());

  52.     CARLA_ASSERT(fServerPathTCP.isEmpty());

  53.     CARLA_ASSERT(fServerPathUDP.isEmpty());

  54.     CARLA_ASSERT(fServerTCP == nullptr);

  55.     CARLA_ASSERT(fServerUDP == nullptr);

  56.     carla_debug("CarlaEngineOsc::~CarlaEngineOsc()");

  57. }

  58. 

  59. // -----------------------------------------------------------------------

  60. 

  61. void CarlaEngineOsc::init(const char* const name)

  62. {

  63.     CARLA_SAFE_ASSERT_RETURN(fName.isEmpty(),);

  64.     CARLA_SAFE_ASSERT_RETURN(fServerPathTCP.isEmpty(),);

  65.     CARLA_SAFE_ASSERT_RETURN(fServerPathUDP.isEmpty(),);

  66.     CARLA_SAFE_ASSERT_RETURN(fServerTCP == nullptr,);

  67.     CARLA_SAFE_ASSERT_RETURN(fServerUDP == nullptr,);

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

  69.     carla_debug("CarlaEngineOsc::init(\"%s\")", name);

  70. 

  71.     fName = name;

  72.     fName.toBasic();

  73. 

  74.     fServerTCP = lo_server_new_with_proto(nullptr, LO_TCP, osc_error_handler_TCP);

  75. 

  76.     if (fServerTCP != nullptr)

  77.     {

  78.         if (char* const tmpServerPathTCP = lo_server_get_url(fServerTCP))

  79.         {

  80.             fServerPathTCP  = tmpServerPathTCP;

  81.             fServerPathTCP += fName;

  82.             std::free(tmpServerPathTCP);

  83.         }

  84. 

  85.         lo_server_add_method(fServerTCP, nullptr, nullptr, osc_message_handler_TCP, this);

  86.     }

  87. 

  88.     fServerUDP = lo_server_new_with_proto(nullptr, LO_UDP, osc_error_handler_UDP);

  89. 

  90.     if (fServerUDP != nullptr)

  91.     {

  92.         if (char* const tmpServerPathUDP = lo_server_get_url(fServerUDP))

  93.         {

  94.             fServerPathUDP  = tmpServerPathUDP;

  95.             fServerPathUDP += fName;

  96.             std::free(tmpServerPathUDP);

  97.         }

  98. 

  99.         lo_server_add_method(fServerUDP, nullptr, nullptr, osc_message_handler_UDP, this);

  100.     }

  101. 

  102.     CARLA_ASSERT(fName.isNotEmpty());

  103.     CARLA_SAFE_ASSERT(fServerPathTCP.isNotEmpty());

  104.     CARLA_SAFE_ASSERT(fServerPathUDP.isNotEmpty());

  105.     CARLA_SAFE_ASSERT(fServerTCP != nullptr);

  106.     CARLA_SAFE_ASSERT(fServerUDP != nullptr);

  107. }

  108. 

  109. void CarlaEngineOsc::idle() const

  110. {

  111.     if (fServerTCP != nullptr)

  112.     {

  113.         while (lo_server_recv_noblock(fServerTCP, 0) != 0) {}

  114.     }

  115. 

  116.     if (fServerUDP != nullptr)

  117.     {

  118.         while (lo_server_recv_noblock(fServerUDP, 0) != 0) {}

  119.     }

  120. }

  121. 

  122. void CarlaEngineOsc::close()

  123. {

  124.     CARLA_ASSERT(fName.isNotEmpty());

  125.     CARLA_SAFE_ASSERT(fServerPathTCP.isNotEmpty());

  126.     CARLA_SAFE_ASSERT(fServerPathUDP.isNotEmpty());

  127.     CARLA_SAFE_ASSERT(fServerTCP != nullptr);

  128.     CARLA_SAFE_ASSERT(fServerUDP != nullptr);

  129.     carla_debug("CarlaEngineOsc::close()");

  130. 

  131.     fName.clear();

  132. 

  133.     if (fServerTCP != nullptr)

  134.     {

  135.         lo_server_del_method(fServerTCP, nullptr, nullptr);

  136.         lo_server_free(fServerTCP);

  137.         fServerTCP = nullptr;

  138.     }

  139. 

  140.     if (fServerUDP != nullptr)

  141.     {

  142.         lo_server_del_method(fServerUDP, nullptr, nullptr);

  143.         lo_server_free(fServerUDP);

  144.         fServerUDP = nullptr;

  145.     }

  146. 

  147.     fServerPathTCP.clear();

  148.     fServerPathUDP.clear();

  149. 

  150. #ifndef BUILD_BRIDGE

  151.     fControlData.free();

  152. #endif

  153. }

  154. 

  155. // -----------------------------------------------------------------------

  156. 

  157. bool isDigit(const char c)

  158. {

  159.     return (c >= '0' && c <= '9');

  160. }

  161. 

  162. int CarlaEngineOsc::handleMessage(const bool isTCP, const char* const path, const int argc, const lo_arg* const* const argv, const char* const types, const lo_message msg)

  163. {

  164.     CARLA_SAFE_ASSERT_RETURN(fName.isNotEmpty(), 1);

  165.     CARLA_SAFE_ASSERT_RETURN(path != nullptr && path[0] != '\0', 1);

  166.     carla_debug("CarlaEngineOsc::handleMessage(%s, \"%s\", %i, %p, \"%s\", %p)", bool2str(isTCP), path, argc, argv, types, msg);

  167. 

  168.     if (isTCP)

  169.     {

  170.         CARLA_SAFE_ASSERT_RETURN(fServerPathTCP.isNotEmpty(), 1);

  171.         CARLA_SAFE_ASSERT_RETURN(fServerTCP != nullptr, 1);

  172.     }

  173.     else

  174.     {

  175.         CARLA_SAFE_ASSERT_RETURN(fServerPathUDP.isNotEmpty(), 1);

  176.         CARLA_SAFE_ASSERT_RETURN(fServerUDP != nullptr, 1);

  177.     }

  178. 

  179. #ifndef BUILD_BRIDGE

  180.     // Initial path check

  181.     if (std::strcmp(path, "/register") == 0)

  182.     {

  183.         const lo_address source = lo_message_get_source(msg);

  184.         return handleMsgRegister(isTCP, argc, argv, types, source);

  185.     }

  186.     if (std::strcmp(path, "/unregister") == 0)

  187.     {

  188.         return handleMsgUnregister();

  189.     }

  190. #endif

  191. 

  192.     const size_t nameSize(fName.length());

  193. 

  194.     // Check if message is for this client

  195.     if (std::strlen(path) <= nameSize || std::strncmp(path+1, fName.getBuffer(), nameSize) != 0)

  196.     {

  197.         carla_stderr("CarlaEngineOsc::handleMessage() - message not for this client -> '%s' != '/%s/'", path, fName.getBuffer());

  198.         return 1;

  199.     }

  200. 

  201.     // Get plugin id from path, "/carla/23/method" -> 23

  202.     unsigned int pluginId = 0;

  203.     size_t offset;

  204. 

  205.     if (isDigit(path[nameSize+2]))

  206.     {

  207.         if (isDigit(path[nameSize+3]))

  208.         {

  209.             if (isDigit(path[nameSize+5]))

  210.             {

  211.                 carla_stderr2("CarlaEngineOsc::handleMessage() - invalid plugin id, over 999? (value: \"%s\")", path+(nameSize+1));

  212.                 return 1;

  213.             }

  214.             else if (isDigit(path[nameSize+4]))

  215.             {

  216.                 // 3 digits, /xyz/method

  217.                 offset    = 6;

  218.                 pluginId += (path[nameSize+2]-'0')*100;

  219.                 pluginId += (path[nameSize+3]-'0')*10;

  220.                 pluginId += (path[nameSize+4]-'0');

  221.             }

  222.             else

  223.             {

  224.                 // 2 digits, /xy/method

  225.                 offset    = 5;

  226.                 pluginId += (path[nameSize+2]-'0')*10;

  227.                 pluginId += (path[nameSize+3]-'0');

  228.             }

  229.         }

  230.         else

  231.         {

  232.             // single digit, /x/method

  233.             offset    = 4;

  234.             pluginId += path[nameSize+2]-'0';

  235.         }

  236.     }

  237.     else

  238.     {

  239.         carla_stderr("CarlaEngineOsc::handleMessage() - invalid message '%s'", path);

  240.         return 1;

  241.     }

  242. 

  243.     if (pluginId > fEngine->getCurrentPluginCount())

  244.     {

  245.         carla_stderr("CarlaEngineOsc::handleMessage() - failed to get plugin, wrong id '%i'", pluginId);

  246.         return 1;

  247.     }

  248. 

  249.     // Get plugin

  250.     CarlaPlugin* const plugin(fEngine->getPluginUnchecked(pluginId));

  251. 

  252.     if (plugin == nullptr || plugin->getId() != pluginId)

  253.     {

  254.         carla_stderr("CarlaEngineOsc::handleMessage() - invalid plugin id '%i', probably has been removed", pluginId);

  255.         return 1;

  256.     }

  257. 

  258.     // Get method from path, "/Carla/i/method" -> "method"

  259.     char method[32];

  260.     carla_zeroChar(method, 32);

  261.     std::strncpy(method, path + (nameSize + offset), 31);

  262. 

  263.     if (method[0] == '\0')

  264.     {

  265.         carla_stderr("CarlaEngineOsc::handleMessage(%s, \"%s\", ...) - received message without method", bool2str(isTCP), path);

  266.         return 1;

  267.     }

  268. 

  269.     // Common OSC methods (DSSI and bridge UIs)

  270.     if (std::strcmp(method, "update") == 0)

  271.     {

  272.         const lo_address source(lo_message_get_source(msg));

  273.         return handleMsgUpdate(plugin, argc, argv, types, source);

  274.     }

  275.     if (std::strcmp(method, "configure") == 0)

  276.         return handleMsgConfigure(plugin, argc, argv, types);

  277.     if (std::strcmp(method, "control") == 0)

  278.         return handleMsgControl(plugin, argc, argv, types);

  279.     if (std::strcmp(method, "program") == 0)

  280.         return handleMsgProgram(plugin, argc, argv, types);

  281.     if (std::strcmp(method, "midi") == 0)

  282.         return handleMsgMidi(plugin, argc, argv, types);

  283.     if (std::strcmp(method, "exiting") == 0)

  284.         return handleMsgExiting(plugin);

  285. 

  286. #ifndef BUILD_BRIDGE

  287.     // Internal methods

  288.     if (std::strcmp(method, "set_active") == 0)

  289.         return handleMsgSetActive(plugin, argc, argv, types);

  290.     if (std::strcmp(method, "set_drywet") == 0)

  291.         return handleMsgSetDryWet(plugin, argc, argv, types);

  292.     if (std::strcmp(method, "set_volume") == 0)

  293.         return handleMsgSetVolume(plugin, argc, argv, types);

  294.     if (std::strcmp(method, "set_balance_left") == 0)

  295.         return handleMsgSetBalanceLeft(plugin, argc, argv, types);

  296.     if (std::strcmp(method, "set_balance_right") == 0)

  297.         return handleMsgSetBalanceRight(plugin, argc, argv, types);

  298.     if (std::strcmp(method, "set_panning") == 0)

  299.         return handleMsgSetPanning(plugin, argc, argv, types);

  300.     if (std::strcmp(method, "set_parameter_value") == 0)

  301.         return handleMsgSetParameterValue(plugin, argc, argv, types);

  302.     if (std::strcmp(method, "set_parameter_midi_cc") == 0)

  303.         return handleMsgSetParameterMidiCC(plugin, argc, argv, types);

  304.     if (std::strcmp(method, "set_parameter_midi_channel") == 0)

  305.         return handleMsgSetParameterMidiChannel(plugin, argc, argv, types);

  306.     if (std::strcmp(method, "set_program") == 0)

  307.         return handleMsgSetProgram(plugin, argc, argv, types);

  308.     if (std::strcmp(method, "set_midi_program") == 0)

  309.         return handleMsgSetMidiProgram(plugin, argc, argv, types);

  310.     if (std::strcmp(method, "note_on") == 0)

  311.         return handleMsgNoteOn(plugin, argc, argv, types);

  312.     if (std::strcmp(method, "note_off") == 0)

  313.         return handleMsgNoteOff(plugin, argc, argv, types);

  314. 

  315.     // Plugin Bridges

  316.     if ((plugin->getHints() & PLUGIN_IS_BRIDGE) != 0 && std::strlen(method) > 11 && std::strncmp(method, "bridge_", 7) == 0)

  317.     {

  318.         if (std::strcmp(method+7, "audio_count") == 0)

  319.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeAudioCount, argc, argv, types);

  320.         if (std::strcmp(method+7, "midi_count") == 0)

  321.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeMidiCount, argc, argv, types);

  322.         if (std::strcmp(method+7, "parameter_count") == 0)

  323.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeParameterCount, argc, argv, types);

  324.         if (std::strcmp(method+7, "program_count") == 0)

  325.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeProgramCount, argc, argv, types);

  326.         if (std::strcmp(method+7, "midi_program_count") == 0)

  327.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeMidiProgramCount, argc, argv, types);

  328.         if (std::strcmp(method+7, "plugin_info") == 0)

  329.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgePluginInfo, argc, argv, types);

  330.         if (std::strcmp(method+7, "parameter_info") == 0)

  331.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeParameterInfo, argc, argv, types);

  332.         if (std::strcmp(method+7, "parameter_data") == 0)

  333.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeParameterData, argc, argv, types);

  334.         if (std::strcmp(method+7, "parameter_ranges") == 0)

  335.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeParameterRanges, argc, argv, types);

  336.         if (std::strcmp(method+7, "program_info") == 0)

  337.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeProgramInfo, argc, argv, types);

  338.         if (std::strcmp(method+7, "midi_program_info") == 0)

  339.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeMidiProgramInfo, argc, argv, types);

  340.         if (std::strcmp(method+7, "configure") == 0)

  341.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeConfigure, argc, argv, types);

  342.         if (std::strcmp(method+7, "set_parameter_value") == 0)

  343.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeSetParameterValue, argc, argv, types);

  344.         if (std::strcmp(method+7, "set_default_value") == 0)

  345.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeSetDefaultValue, argc, argv, types);

  346.         if (std::strcmp(method+7, "set_program") == 0)

  347.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeSetProgram, argc, argv, types);

  348.         if (std::strcmp(method+7, "set_midi_program") == 0)

  349.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeSetMidiProgram, argc, argv, types);

  350.         if (std::strcmp(method+7, "set_custom_data") == 0)

  351.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeSetCustomData, argc, argv, types);

  352.         if (std::strcmp(method+7, "set_chunk_data") == 0)

  353.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeSetChunkData, argc, argv, types);

  354.         if (std::strcmp(method+7, "update") == 0)

  355.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeUpdateNow, argc, argv, types);

  356.         if (std::strcmp(method+7, "error") == 0)

  357.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeError, argc, argv, types);

  358.     }

  359. #endif

  360. 

  361.     // Plugin-specific methods

  362. #ifdef WANT_LV2

  363.     if (std::strcmp(method, "lv2_atom_transfer") == 0)

  364.         return handleMsgLv2AtomTransfer(plugin, argc, argv, types);

  365.     if (std::strcmp(method, "lv2_urid_map") == 0)

  366.         return handleMsgLv2UridMap(plugin, argc, argv, types);

  367. #endif

  368. 

  369.     carla_stderr("CarlaEngineOsc::handleMessage() - unsupported OSC method '%s'", method);

  370.     return 1;

  371. }

  372. 

  373. // -----------------------------------------------------------------------

  374. 

  375. #ifndef BUILD_BRIDGE

  376. int CarlaEngineOsc::handleMsgRegister(const bool isTCP, const int argc, const lo_arg* const* const argv, const char* const types, const lo_address source)

  377. {

  378.     carla_debug("CarlaEngineOsc::handleMsgRegister()");

  379.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  380. 

  381.     if (fControlData.path != nullptr)

  382.     {

  383.         carla_stderr("CarlaEngineOsc::handleMsgRegister() - OSC backend already registered to %s", fControlData.path);

  384.         return 1;

  385.     }

  386. 

  387.     const char* const url = &argv[0]->s;

  388. 

  389.     carla_debug("CarlaEngineOsc::handleMsgRegister() - OSC backend registered to %s", url);

  390. 

  391.     {

  392.         const char* host = lo_address_get_hostname(source);

  393.         const char* port = lo_address_get_port(source);

  394.         fControlData.source = lo_address_new_with_proto(isTCP ? LO_TCP : LO_UDP, host, port);

  395.     }

  396. 

  397.     {

  398.         char* host = lo_url_get_hostname(url);

  399.         char* port = lo_url_get_port(url);

  400.         fControlData.path   = carla_strdup_free(lo_url_get_path(url));

  401.         fControlData.target = lo_address_new_with_proto(isTCP ? LO_TCP : LO_UDP, host, port);

  402. 

  403.         std::free(host);

  404.         std::free(port);

  405.     }

  406. 

  407.     for (unsigned int i=0, count=fEngine->getCurrentPluginCount(); i < count; ++i)

  408.     {

  409.         CarlaPlugin* const plugin(fEngine->getPluginUnchecked(i));

  410. 

  411.         if (plugin != nullptr && plugin->isEnabled())

  412.             plugin->registerToOscClient();

  413.     }

  414. 

  415.     return 0;

  416. }

  417. 

  418. int CarlaEngineOsc::handleMsgUnregister()

  419. {

  420.     carla_debug("CarlaEngineOsc::handleMsgUnregister()");

  421. 

  422.     if (fControlData.path == nullptr)

  423.     {

  424.         carla_stderr("CarlaEngineOsc::handleMsgUnregister() - OSC backend is not registered yet");

  425.         return 1;

  426.     }

  427. 

  428.     fControlData.free();

  429.     return 0;

  430. }

  431. #endif

  432. 

  433. // -----------------------------------------------------------------------

  434. 

  435. int CarlaEngineOsc::handleMsgUpdate(CARLA_ENGINE_OSC_HANDLE_ARGS2, const lo_address source)

  436. {

  437.     carla_debug("CarlaEngineOsc::handleMsgUpdate()");

  438.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  439. 

  440.     const char* const url = (const char*)&argv[0]->s;

  441. 

  442.     plugin->updateOscData(source, url);

  443. 

  444.     return 0;

  445. }

  446. 

  447. int CarlaEngineOsc::handleMsgConfigure(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  448. {

  449.     carla_debug("CarlaEngineOsc::handleMsgConfigure()");

  450.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ss");

  451. 

  452.     const char* const key   = (const char*)&argv[0]->s;

  453.     const char* const value = (const char*)&argv[1]->s;

  454. 

  455.     plugin->setCustomData(CUSTOM_DATA_TYPE_STRING, key, value, false);

  456. 

  457.     return 0;

  458. }

  459. 

  460. int CarlaEngineOsc::handleMsgControl(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  461. {

  462.     carla_debug("CarlaEngineOsc::handleMsgControl()");

  463.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  464. 

  465.     const int32_t rindex = argv[0]->i;

  466.     const float   value  = argv[1]->f;

  467. 

  468.     plugin->setParameterValueByRealIndex(rindex, value, false, true, true);

  469. 

  470.     return 0;

  471. }

  472. 

  473. int CarlaEngineOsc::handleMsgProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  474. {

  475.     carla_debug("CarlaEngineOsc::handleMsgProgram()");

  476. 

  477.     if (argc == 2)

  478.     {

  479.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  480. 

  481.         const int32_t bank    = argv[0]->i;

  482.         const int32_t program = argv[1]->i;

  483. 

  484.         CARLA_SAFE_ASSERT_INT(bank >= 0, bank);

  485.         CARLA_SAFE_ASSERT_INT(program >= 0, program);

  486. 

  487.         if (bank < 0)

  488.             return 1;

  489.         if (program < 0)

  490.             return 1;

  491. 

  492.         plugin->setMidiProgramById(static_cast<uint32_t>(bank), static_cast<uint32_t>(program), false, true, true);

  493. 

  494.         return 0;

  495.     }

  496.     else

  497.     {

  498.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  499. 

  500.         const int32_t program = argv[0]->i;

  501. 

  502.         CARLA_SAFE_ASSERT_INT(program >= 0, program);

  503. 

  504.         if (program < 0)

  505.             return 1;

  506. 

  507.         if (program < static_cast<int32_t>(plugin->getProgramCount()))

  508.         {

  509.             plugin->setProgram(program, false, true, true);

  510.             return 0;

  511.         }

  512. 

  513.         carla_stderr("CarlaEngineOsc::handleMsgProgram() - programId '%i' out of bounds", program);

  514.         return 1;

  515.     }

  516. }

  517. 

  518. int CarlaEngineOsc::handleMsgMidi(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  519. {

  520.     carla_debug("CarlaEngineOsc::handleMsgMidi()");

  521.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "m");

  522. 

  523. #ifdef BUILD_BRIDGE

  524.     CARLA_ASSERT(false); // this should never happen

  525.     return 1;

  526. 

  527.     // unused

  528.     (void)plugin;

  529.     (void)argv;

  530. #else

  531.     if (plugin->getMidiInCount() == 0)

  532.     {

  533.         carla_stderr("CarlaEngineOsc::handleMsgMidi() - recived midi when plugin has no midi inputs");

  534.         return 1;

  535.     }

  536. 

  537.     const uint8_t* const data = argv[0]->m;

  538.     uint8_t status  = data[1];

  539.     uint8_t channel = status & 0x0F;

  540. 

  541.     // Fix bad note-off

  542.     if (MIDI_IS_STATUS_NOTE_ON(status) && data[3] == 0)

  543.         status = static_cast<uint8_t>(status - 0x10);

  544. 

  545.     if (MIDI_IS_STATUS_NOTE_OFF(status))

  546.     {

  547.         const uint8_t note = data[2];

  548. 

  549.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  550. 

  551.         if (note >= MAX_MIDI_NOTE)

  552.             return 1;

  553. 

  554.         plugin->sendMidiSingleNote(channel, note, 0, false, true, true);

  555.     }

  556.     else if (MIDI_IS_STATUS_NOTE_ON(status))

  557.     {

  558.         const uint8_t note = data[2];

  559.         const uint8_t velo = data[3];

  560. 

  561.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  562.         CARLA_SAFE_ASSERT_INT(velo < MAX_MIDI_VALUE, velo);

  563. 

  564.         if (note >= MAX_MIDI_NOTE)

  565.             return 1;

  566.         if (velo >= MAX_MIDI_VALUE)

  567.             return 1;

  568. 

  569.         plugin->sendMidiSingleNote(channel, note, velo, false, true, true);

  570.     }

  571. 

  572.     return 0;

  573. #endif

  574. }

  575. 

  576. int CarlaEngineOsc::handleMsgExiting(CARLA_ENGINE_OSC_HANDLE_ARGS1)

  577. {

  578.     carla_debug("CarlaEngineOsc::handleMsgExiting()");

  579. 

  580.     // TODO - check for non-UIs (dssi-vst) and set to -1 instead

  581.     fEngine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, plugin->getId(), 0, 0, 0.0f, nullptr);

  582. 

  583.     // TODO

  584.     //plugin->freeOscData();

  585. 

  586.     return 0;

  587. }

  588. 

  589. // -----------------------------------------------------------------------

  590. 

  591. #ifndef BUILD_BRIDGE

  592. int CarlaEngineOsc::handleMsgSetActive(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  593. {

  594.     carla_debug("CarlaEngineOsc::handleMsgSetActive()");

  595.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  596. 

  597.     const bool active = (argv[0]->i != 0);

  598. 

  599.     plugin->setActive(active, false, true);

  600. 

  601.     return 0;

  602. }

  603. 

  604. int CarlaEngineOsc::handleMsgSetDryWet(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  605. {

  606.     carla_debug("CarlaEngineOsc::handleMsgSetDryWet()");

  607.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  608. 

  609.     const float value = argv[0]->f;

  610. 

  611.     plugin->setDryWet(value, false, true);

  612. 

  613.     return 0;

  614. }

  615. 

  616. int CarlaEngineOsc::handleMsgSetVolume(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  617. {

  618.     carla_debug("CarlaEngineOsc::handleMsgSetVolume()");

  619.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  620. 

  621.     const float value = argv[0]->f;

  622. 

  623.     plugin->setVolume(value, false, true);

  624. 

  625.     return 0;

  626. }

  627. 

  628. int CarlaEngineOsc::handleMsgSetBalanceLeft(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  629. {

  630.     carla_debug("CarlaEngineOsc::handleMsgSetBalanceLeft()");

  631.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  632. 

  633.     const float value = argv[0]->f;

  634. 

  635.     plugin->setBalanceLeft(value, false, true);

  636. 

  637.     return 0;

  638. }

  639. 

  640. int CarlaEngineOsc::handleMsgSetBalanceRight(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  641. {

  642.     carla_debug("CarlaEngineOsc::handleMsgSetBalanceRight()");

  643.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  644. 

  645.     const float value = argv[0]->f;

  646. 

  647.     plugin->setBalanceRight(value, false, true);

  648. 

  649.     return 0;

  650. }

  651. 

  652. int CarlaEngineOsc::handleMsgSetPanning(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  653. {

  654.     carla_debug("CarlaEngineOsc::handleMsgSetPanning()");

  655.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  656. 

  657.     const float value = argv[0]->f;

  658. 

  659.     plugin->setPanning(value, false, true);

  660. 

  661.     return 0;

  662. }

  663. 

  664. int CarlaEngineOsc::handleMsgSetParameterValue(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  665. {

  666.     carla_debug("CarlaEngineOsc::handleMsgSetParameterValue()");

  667.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  668. 

  669.     const int32_t index = argv[0]->i;

  670.     const float   value = argv[1]->f;

  671. 

  672.     CARLA_SAFE_ASSERT_INT(index >= 0, index);

  673. 

  674.     if (index < 0)

  675.         return 1;

  676. 

  677.     plugin->setParameterValue(static_cast<uint32_t>(index), value, true, false, true);

  678. 

  679.     return 0;

  680. }

  681. 

  682. int CarlaEngineOsc::handleMsgSetParameterMidiCC(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  683. {

  684.     carla_debug("CarlaEngineOsc::handleMsgSetParameterMidiCC()");

  685.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  686. 

  687.     const int32_t index = argv[0]->i;

  688.     const int32_t cc    = argv[1]->i;

  689. 

  690.     CARLA_SAFE_ASSERT_INT(index >= 0, index);

  691.     CARLA_SAFE_ASSERT_INT(cc >= -1 && cc <= 0x5F, cc);

  692. 

  693.     if (index < 0)

  694.         return 1;

  695.     if (cc < -1 || cc > 0x5F)

  696.         return 1;

  697. 

  698.     plugin->setParameterMidiCC(static_cast<uint32_t>(index), static_cast<int16_t>(cc), false, true);

  699. 

  700.     return 0;

  701. }

  702. 

  703. int CarlaEngineOsc::handleMsgSetParameterMidiChannel(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  704. {

  705.     carla_debug("CarlaEngineOsc::handleMsgSetParameterMidiChannel()");

  706.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  707. 

  708.     const int32_t index   = argv[0]->i;

  709.     const int32_t channel = argv[1]->i;

  710. 

  711.     CARLA_SAFE_ASSERT_INT(index >= 0, index);

  712.     CARLA_SAFE_ASSERT_INT(channel >= 0 && channel < MAX_MIDI_CHANNELS, channel);

  713. 

  714.     if (index < 0)

  715.         return 1;

  716.     if (channel < 0 || channel >= MAX_MIDI_CHANNELS)

  717.         return 1;

  718. 

  719.     plugin->setParameterMidiChannel(static_cast<uint32_t>(index), static_cast<uint8_t>(channel), false, true);

  720. 

  721.     return 0;

  722. }

  723. 

  724. int CarlaEngineOsc::handleMsgSetProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  725. {

  726.     carla_debug("CarlaEngineOsc::handleMsgSetProgram()");

  727.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  728. 

  729.     const int32_t index = argv[0]->i;

  730. 

  731.     plugin->setProgram(index, true, false, true);

  732. 

  733.     return 0;

  734. }

  735. 

  736. int CarlaEngineOsc::handleMsgSetMidiProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  737. {

  738.     carla_debug("CarlaEngineOsc::handleMsgSetMidiProgram()");

  739.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  740. 

  741.     const int32_t index = argv[0]->i;

  742. 

  743.     plugin->setMidiProgram(index, true, false, true);

  744. 

  745.     return 0;

  746. }

  747. 

  748. int CarlaEngineOsc::handleMsgNoteOn(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  749. {

  750.     carla_debug("CarlaEngineOsc::handleMsgNoteOn()");

  751.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(3, "iii");

  752. 

  753.     const int32_t channel = argv[0]->i;

  754.     const int32_t note    = argv[1]->i;

  755.     const int32_t velo    = argv[2]->i;

  756. 

  757.     CARLA_SAFE_ASSERT_INT(channel >= 0 && channel < MAX_MIDI_CHANNELS, channel);

  758.     CARLA_SAFE_ASSERT_INT(note >= 0 && note < MAX_MIDI_NOTE, note);

  759.     CARLA_SAFE_ASSERT_INT(velo >= 0 && velo < MAX_MIDI_VALUE, velo);

  760. 

  761.     if (channel < 0 || channel >= MAX_MIDI_CHANNELS)

  762.         return 1;

  763.     if (note < 0 || note >= MAX_MIDI_NOTE)

  764.         return 1;

  765.     if (velo < 0 || velo >= MAX_MIDI_VALUE)

  766.         return 1;

  767. 

  768.     plugin->sendMidiSingleNote(static_cast<uint8_t>(channel), static_cast<uint8_t>(note), static_cast<uint8_t>(velo), true, false, true);

  769. 

  770.     return 0;

  771. }

  772. 

  773. int CarlaEngineOsc::handleMsgNoteOff(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  774. {

  775.     carla_debug("CarlaEngineOsc::handleMsgNoteOff()");

  776.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  777. 

  778.     const int32_t channel = argv[0]->i;

  779.     const int32_t note    = argv[1]->i;

  780. 

  781.     CARLA_SAFE_ASSERT_INT(channel >= 0 && channel < MAX_MIDI_CHANNELS, channel);

  782.     CARLA_SAFE_ASSERT_INT(note >= 0 && note < MAX_MIDI_NOTE, note);

  783. 

  784.     if (channel < 0 || channel >= MAX_MIDI_CHANNELS)

  785.         return 1;

  786.     if (note < 0 || note >= MAX_MIDI_NOTE)

  787.         return 1;

  788. 

  789.     plugin->sendMidiSingleNote(static_cast<uint8_t>(channel), static_cast<uint8_t>(note), 0, true, false, true);

  790. 

  791.     return 0;

  792. }

  793. #endif

  794. 

  795. CARLA_BACKEND_END_NAMESPACE