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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_SAFE_ASSERT(engine != nullptr);

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

  47. }

  48. 

  49. CarlaEngineOsc::~CarlaEngineOsc()

  50. {

  51.     CARLA_SAFE_ASSERT(fName.isEmpty());

  52.     CARLA_SAFE_ASSERT(fServerPathTCP.isEmpty());

  53.     CARLA_SAFE_ASSERT(fServerPathUDP.isEmpty());

  54.     CARLA_SAFE_ASSERT(fServerTCP == nullptr);

  55.     CARLA_SAFE_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_SAFE_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.         while (lo_server_recv_noblock(fServerTCP, 0) != 0) {}

  113.     }

  114. 

  115.     if (fServerUDP != nullptr) {

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

  117.     }

  118. }

  119. 

  120. void CarlaEngineOsc::close()

  121. {

  122.     CARLA_SAFE_ASSERT(fName.isNotEmpty());

  123.     CARLA_SAFE_ASSERT(fServerPathTCP.isNotEmpty());

  124.     CARLA_SAFE_ASSERT(fServerPathUDP.isNotEmpty());

  125.     CARLA_SAFE_ASSERT(fServerTCP != nullptr);

  126.     CARLA_SAFE_ASSERT(fServerUDP != nullptr);

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

  128. 

  129.     fName.clear();

  130. 

  131.     if (fServerTCP != nullptr)

  132.     {

  133.         lo_server_del_method(fServerTCP, nullptr, nullptr);

  134.         lo_server_free(fServerTCP);

  135.         fServerTCP = nullptr;

  136.     }

  137. 

  138.     if (fServerUDP != nullptr)

  139.     {

  140.         lo_server_del_method(fServerUDP, nullptr, nullptr);

  141.         lo_server_free(fServerUDP);

  142.         fServerUDP = nullptr;

  143.     }

  144. 

  145.     fServerPathTCP.clear();

  146.     fServerPathUDP.clear();

  147. 

  148. #ifndef BUILD_BRIDGE

  149.     fControlData.free();

  150. #endif

  151. }

  152. 

  153. // -----------------------------------------------------------------------

  154. 

  155. static bool isDigit(const char c)

  156. {

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

  158. }

  159. 

  160. 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)

  161. {

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

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

  164. #ifdef DEBUG

  165.     if (std::strstr(path, "/bridge_pong") == nullptr) {

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

  167.     }

  168. #endif

  169. 

  170.     //if (isTCP)

  171.     {

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

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

  174.     }

  175.     //else

  176.     {

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

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

  179.     }

  180. 

  181. #ifndef BUILD_BRIDGE

  182.     // Initial path check

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

  184.     {

  185.         const lo_address source = lo_message_get_source(msg);

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

  187.     }

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

  189.     {

  190.         return handleMsgUnregister();

  191.     }

  192. #endif

  193. 

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

  195. 

  196.     // Check if message is for this client

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

  198.     {

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

  200.         return 1;

  201.     }

  202. 

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

  204.     uint pluginId = 0;

  205.     size_t offset;

  206. 

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

  208.     {

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

  210.         {

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

  212.             {

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

  214.                 return 1;

  215.             }

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

  217.             {

  218.                 // 3 digits, /xyz/method

  219.                 offset    = 6;

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

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

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

  223.             }

  224.             else

  225.             {

  226.                 // 2 digits, /xy/method

  227.                 offset    = 5;

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

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

  230.             }

  231.         }

  232.         else

  233.         {

  234.             // single digit, /x/method

  235.             offset    = 4;

  236.             pluginId += uint(path[nameSize+2]-'0');

  237.         }

  238.     }

  239.     else

  240.     {

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

  242.         return 1;

  243.     }

  244. 

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

  246.     {

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

  248.         return 1;

  249.     }

  250. 

  251.     // Get plugin

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

  253. 

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

  255.     {

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

  257.         return 1;

  258.     }

  259. 

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

  261.     char method[32];

  262.     carla_zeroChar(method, 32);

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

  264. 

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

  266.     {

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

  268.         return 1;

  269.     }

  270. 

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

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

  273.     {

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

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

  276.     }

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

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

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

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

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

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

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

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

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

  286.         return handleMsgExiting(plugin);

  287. 

  288. #ifndef BUILD_BRIDGE

  289.     // Internal methods

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  316. 

  317.     // Plugin Bridges

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

  319.     {

  320.         const char* const bmethod(method+7);

  321. 

  322.         if (std::strcmp(bmethod, "pong") == 0)

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

  324.         if (std::strcmp(bmethod, "plugin_info1") == 0)

  325.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgePluginInfo1, argc, argv, types);

  326.         if (std::strcmp(bmethod, "plugin_info2") == 0)

  327.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgePluginInfo2, argc, argv, types);

  328.         if (std::strcmp(bmethod, "audio_count") == 0)

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

  330.         if (std::strcmp(bmethod, "midi_count") == 0)

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

  332.         if (std::strcmp(bmethod, "parameter_count") == 0)

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

  334.         if (std::strcmp(bmethod, "program_count") == 0)

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

  336.         if (std::strcmp(bmethod, "midi_program_count") == 0)

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

  338.         if (std::strcmp(bmethod, "parameter_data") == 0)

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

  340.         if (std::strcmp(bmethod, "parameter_ranges1") == 0)

  341.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeParameterRanges1, argc, argv, types);

  342.         if (std::strcmp(bmethod, "parameter_ranges2") == 0)

  343.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeParameterRanges2, argc, argv, types);

  344.         if (std::strcmp(bmethod, "parameter_midi_cc") == 0)

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

  346.         if (std::strcmp(bmethod, "parameter_midi_channel") == 0)

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

  348.         if (std::strcmp(bmethod, "parameter_value") == 0)

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

  350.         if (std::strcmp(bmethod, "default_value") == 0)

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

  352.         if (std::strcmp(bmethod, "current_program") == 0)

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

  354.         if (std::strcmp(bmethod, "current_midi_program") == 0)

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

  356.         if (std::strcmp(bmethod, "program_name") == 0)

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

  358.         if (std::strcmp(bmethod, "midi_program_data") == 0)

  359.             return CarlaPluginSetOscBridgeInfo(plugin, kPluginBridgeMidiProgramData, argc, argv, types);

  360.         if (std::strcmp(bmethod, "configure") == 0)

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

  362.         if (std::strcmp(bmethod, "set_custom_data") == 0)

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

  364.         if (std::strcmp(bmethod, "set_chunk_data") == 0)

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

  366.         if (std::strcmp(bmethod, "update_now") == 0)

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

  368.         if (std::strcmp(bmethod, "error") == 0)

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

  370.     }

  371. #endif

  372. 

  373.     // Plugin-specific methods

  374. #ifdef WANT_LV2

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

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

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

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

  379. #endif

  380. 

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

  382.     return 1;

  383. }

  384. 

  385. // -----------------------------------------------------------------------

  386. 

  387. #ifndef BUILD_BRIDGE

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

  389. {

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

  391.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  392. 

  393.     if (fControlData.path != nullptr)

  394.     {

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

  396.         return 1;

  397.     }

  398. 

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

  400. 

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

  402. 

  403.     {

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

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

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

  407.     }

  408. 

  409.     {

  410.         char* host = lo_url_get_hostname(url);

  411.         char* port = lo_url_get_port(url);

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

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

  414. 

  415.         std::free(host);

  416.         std::free(port);

  417.     }

  418. 

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

  420.     {

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

  422. 

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

  424.             plugin->registerToOscClient();

  425.     }

  426. 

  427.     return 0;

  428. }

  429. 

  430. int CarlaEngineOsc::handleMsgUnregister()

  431. {

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

  433. 

  434.     if (fControlData.path == nullptr)

  435.     {

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

  437.         return 1;

  438.     }

  439. 

  440.     fControlData.free();

  441.     return 0;

  442. }

  443. #endif

  444. 

  445. // -----------------------------------------------------------------------

  446. 

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

  448. {

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

  450.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  451. 

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

  453. 

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

  455. 

  456.     return 0;

  457. }

  458. 

  459. int CarlaEngineOsc::handleMsgConfigure(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  460. {

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

  462.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ss");

  463. 

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

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

  466. 

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

  468. 

  469.     return 0;

  470. }

  471. 

  472. int CarlaEngineOsc::handleMsgControl(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  473. {

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

  475.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  476. 

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

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

  479. 

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

  481. 

  482.     return 0;

  483. }

  484. 

  485. int CarlaEngineOsc::handleMsgProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  486. {

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

  488. 

  489.     if (argc == 2)

  490.     {

  491.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  492. 

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

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

  495. 

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

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

  498. 

  499.         if (bank < 0)

  500.             return 1;

  501.         if (program < 0)

  502.             return 1;

  503. 

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

  505. 

  506.         return 0;

  507.     }

  508.     else

  509.     {

  510.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  511. 

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

  513. 

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

  515. 

  516.         if (program < 0)

  517.             return 1;

  518. 

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

  520.         {

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

  522.             return 0;

  523.         }

  524. 

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

  526.         return 1;

  527.     }

  528. }

  529. 

  530. int CarlaEngineOsc::handleMsgMidi(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  531. {

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

  533.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "m");

  534. 

  535. #ifdef BUILD_BRIDGE

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

  537.     return 1;

  538. 

  539.     // unused

  540.     (void)plugin;

  541.     (void)argv;

  542. #else

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

  544.     {

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

  546.         return 1;

  547.     }

  548. 

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

  550.     uint8_t status  = data[1];

  551.     uint8_t channel = status & 0x0F;

  552. 

  553.     // Fix bad note-off

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

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

  556. 

  557.     if (MIDI_IS_STATUS_NOTE_OFF(status))

  558.     {

  559.         const uint8_t note = data[2];

  560. 

  561.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  562. 

  563.         if (note >= MAX_MIDI_NOTE)

  564.             return 1;

  565. 

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

  567.     }

  568.     else if (MIDI_IS_STATUS_NOTE_ON(status))

  569.     {

  570.         const uint8_t note = data[2];

  571.         const uint8_t velo = data[3];

  572. 

  573.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  574.         CARLA_SAFE_ASSERT_INT(velo < MAX_MIDI_VALUE, velo);

  575. 

  576.         if (note >= MAX_MIDI_NOTE)

  577.             return 1;

  578.         if (velo >= MAX_MIDI_VALUE)

  579.             return 1;

  580. 

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

  582.     }

  583. 

  584.     return 0;

  585. #endif

  586. }

  587. 

  588. int CarlaEngineOsc::handleMsgExiting(CARLA_ENGINE_OSC_HANDLE_ARGS1)

  589. {

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

  591. 

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

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

  594. 

  595.     // TODO

  596.     //plugin->freeOscData();

  597. 

  598.     return 0;

  599. }

  600. 

  601. // -----------------------------------------------------------------------

  602. 

  603. #ifndef BUILD_BRIDGE

  604. int CarlaEngineOsc::handleMsgSetActive(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  605. {

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

  607.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  608. 

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

  610. 

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

  612. 

  613.     return 0;

  614. }

  615. 

  616. int CarlaEngineOsc::handleMsgSetDryWet(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  617. {

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

  619.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  620. 

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

  622. 

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

  624. 

  625.     return 0;

  626. }

  627. 

  628. int CarlaEngineOsc::handleMsgSetVolume(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  629. {

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

  631.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  632. 

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

  634. 

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

  636. 

  637.     return 0;

  638. }

  639. 

  640. int CarlaEngineOsc::handleMsgSetBalanceLeft(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  641. {

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

  643.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  644. 

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

  646. 

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

  648. 

  649.     return 0;

  650. }

  651. 

  652. int CarlaEngineOsc::handleMsgSetBalanceRight(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  653. {

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

  655.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  656. 

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

  658. 

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

  660. 

  661.     return 0;

  662. }

  663. 

  664. int CarlaEngineOsc::handleMsgSetPanning(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  665. {

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

  667.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  668. 

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

  670. 

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

  672. 

  673.     return 0;

  674. }

  675. 

  676. int CarlaEngineOsc::handleMsgSetParameterValue(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  677. {

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

  679.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  680. 

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

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

  683. 

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

  685. 

  686.     if (index < 0)

  687.         return 1;

  688. 

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

  690. 

  691.     return 0;

  692. }

  693. 

  694. int CarlaEngineOsc::handleMsgSetParameterMidiCC(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  695. {

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

  697.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  698. 

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

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

  701. 

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

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

  704. 

  705.     if (index < 0)

  706.         return 1;

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

  708.         return 1;

  709. 

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

  711. 

  712.     return 0;

  713. }

  714. 

  715. int CarlaEngineOsc::handleMsgSetParameterMidiChannel(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  716. {

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

  718.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  719. 

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

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

  722. 

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

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

  725. 

  726.     if (index < 0)

  727.         return 1;

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

  729.         return 1;

  730. 

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

  732. 

  733.     return 0;

  734. }

  735. 

  736. int CarlaEngineOsc::handleMsgSetProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  737. {

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

  739.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  740. 

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

  742. 

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

  744. 

  745.     return 0;

  746. }

  747. 

  748. int CarlaEngineOsc::handleMsgSetMidiProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  749. {

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

  751.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  752. 

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

  754. 

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

  756. 

  757.     return 0;

  758. }

  759. 

  760. int CarlaEngineOsc::handleMsgNoteOn(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  761. {

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

  763.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(3, "iii");

  764. 

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

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

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

  768. 

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

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

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

  772. 

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

  774.         return 1;

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

  776.         return 1;

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

  778.         return 1;

  779. 

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

  781. 

  782.     return 0;

  783. }

  784. 

  785. int CarlaEngineOsc::handleMsgNoteOff(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  786. {

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

  788.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  789. 

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

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

  792. 

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

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

  795. 

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

  797.         return 1;

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

  799.         return 1;

  800. 

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

  802. 

  803.     return 0;

  804. }

  805. #endif

  806. 

  807. CARLA_BACKEND_END_NAMESPACE