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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_thread_new_with_proto(nullptr, LO_TCP, osc_error_handler_TCP);

  75. 

  76.     if (fServerTCP != nullptr)

  77.     {

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

  79.         {

  80.             fServerPathTCP  = tmpServerPathTCP;

  81.             fServerPathTCP += fName;

  82.             std::free(tmpServerPathTCP);

  83.         }

  84. 

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

  86.         lo_server_thread_start(fServerTCP);

  87.     }

  88. 

  89.     fServerUDP = lo_server_thread_new_with_proto(nullptr, LO_UDP, osc_error_handler_UDP);

  90. 

  91.     if (fServerUDP != nullptr)

  92.     {

  93.         if (char* const tmpServerPathUDP = lo_server_thread_get_url(fServerUDP))

  94.         {

  95.             fServerPathUDP  = tmpServerPathUDP;

  96.             fServerPathUDP += fName;

  97.             std::free(tmpServerPathUDP);

  98.         }

  99. 

  100.         lo_server_thread_add_method(fServerUDP, nullptr, nullptr, osc_message_handler_UDP, this);

  101.         lo_server_thread_start(fServerUDP);

  102.     }

  103. 

  104.     CARLA_ASSERT(fName.isNotEmpty());

  105.     CARLA_SAFE_ASSERT(fServerPathTCP.isNotEmpty());

  106.     CARLA_SAFE_ASSERT(fServerPathUDP.isNotEmpty());

  107.     CARLA_SAFE_ASSERT(fServerTCP != nullptr);

  108.     CARLA_SAFE_ASSERT(fServerUDP != nullptr);

  109. }

  110. 

  111. void CarlaEngineOsc::close()

  112. {

  113.     CARLA_ASSERT(fName.isNotEmpty());

  114.     CARLA_SAFE_ASSERT(fServerPathTCP.isNotEmpty());

  115.     CARLA_SAFE_ASSERT(fServerPathUDP.isNotEmpty());

  116.     CARLA_SAFE_ASSERT(fServerTCP != nullptr);

  117.     CARLA_SAFE_ASSERT(fServerUDP != nullptr);

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

  119. 

  120.     fName.clear();

  121. 

  122.     if (fServerTCP != nullptr)

  123.     {

  124.         lo_server_thread_stop(fServerTCP);

  125.         lo_server_thread_del_method(fServerTCP, nullptr, nullptr);

  126.         lo_server_thread_free(fServerTCP);

  127.         fServerTCP = nullptr;

  128.     }

  129. 

  130.     if (fServerUDP != nullptr)

  131.     {

  132.         lo_server_thread_stop(fServerUDP);

  133.         lo_server_thread_del_method(fServerUDP, nullptr, nullptr);

  134.         lo_server_thread_free(fServerUDP);

  135.         fServerUDP = nullptr;

  136.     }

  137. 

  138.     fServerPathTCP.clear();

  139.     fServerPathUDP.clear();

  140. 

  141. #ifndef BUILD_BRIDGE

  142.     fControlData.free();

  143. #endif

  144. }

  145. 

  146. // -----------------------------------------------------------------------

  147. 

  148. bool isDigit(const char c);

  149. bool isDigit(const char c)

  150. {

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

  152. }

  153. 

  154. 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)

  155. {

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

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

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

  159. #ifndef BUILD_BRIDGE

  160.     const CarlaCriticalSection::Scope _ccsl(_cs);

  161. #endif

  162. 

  163.     if (isTCP)

  164.     {

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

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

  167.     }

  168.     else

  169.     {

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

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

  172.     }

  173. 

  174. #ifndef BUILD_BRIDGE

  175.     // Initial path check

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

  177.     {

  178.         const lo_address source = lo_message_get_source(msg);

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

  180.     }

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

  182.     {

  183.         return handleMsgUnregister();

  184.     }

  185. #endif

  186. 

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

  188. 

  189.     // Check if message is for this client

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

  191.     {

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

  193.         return 1;

  194.     }

  195. 

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

  197.     uint pluginId = 0;

  198.     size_t offset;

  199. 

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

  201.     {

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

  203.         {

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

  205.             {

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

  207.                 return 1;

  208.             }

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

  210.             {

  211.                 // 3 digits, /xyz/method

  212.                 offset    = 6;

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

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

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

  216.             }

  217.             else

  218.             {

  219.                 // 2 digits, /xy/method

  220.                 offset    = 5;

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

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

  223.             }

  224.         }

  225.         else

  226.         {

  227.             // single digit, /x/method

  228.             offset    = 4;

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

  230.         }

  231.     }

  232.     else

  233.     {

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

  235.         return 1;

  236.     }

  237. 

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

  239.     {

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

  241.         return 1;

  242.     }

  243. 

  244.     // Get plugin

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

  246. 

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

  248.     {

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

  250.         return 1;

  251.     }

  252. 

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

  254.     char method[32];

  255.     carla_zeroChar(method, 32);

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

  257. 

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

  259.     {

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

  261.         return 1;

  262.     }

  263. 

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

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

  266.     {

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

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

  269.     }

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

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

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

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

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

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

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

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

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

  279.         return handleMsgExiting(plugin);

  280. 

  281. #ifndef BUILD_BRIDGE

  282.     // Internal methods

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  309. 

  310.     // Plugin Bridges

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

  312.     {

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

  314. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  361.     }

  362. #endif

  363. 

  364.     // Plugin-specific methods

  365. #ifdef WANT_LV2

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

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

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

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

  370. #endif

  371. 

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

  373.     return 1;

  374. }

  375. 

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

  377. 

  378. #ifndef BUILD_BRIDGE

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

  380. {

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

  382.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  383. 

  384.     if (fControlData.path != nullptr)

  385.     {

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

  387.         return 1;

  388.     }

  389. 

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

  391. 

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

  393. 

  394.     {

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

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

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

  398.     }

  399. 

  400.     {

  401.         char* host = lo_url_get_hostname(url);

  402.         char* port = lo_url_get_port(url);

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

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

  405. 

  406.         std::free(host);

  407.         std::free(port);

  408.     }

  409. 

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

  411.     {

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

  413. 

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

  415.             plugin->registerToOscClient();

  416.     }

  417. 

  418.     return 0;

  419. }

  420. 

  421. int CarlaEngineOsc::handleMsgUnregister()

  422. {

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

  424. 

  425.     if (fControlData.path == nullptr)

  426.     {

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

  428.         return 1;

  429.     }

  430. 

  431.     fControlData.free();

  432.     return 0;

  433. }

  434. #endif

  435. 

  436. // -----------------------------------------------------------------------

  437. 

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

  439. {

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

  441.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  442. 

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

  444. 

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

  446. 

  447.     return 0;

  448. }

  449. 

  450. int CarlaEngineOsc::handleMsgConfigure(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  451. {

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

  453.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ss");

  454. 

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

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

  457. 

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

  459. 

  460.     return 0;

  461. }

  462. 

  463. int CarlaEngineOsc::handleMsgControl(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  464. {

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

  466.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  467. 

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

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

  470. 

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

  472. 

  473.     return 0;

  474. }

  475. 

  476. int CarlaEngineOsc::handleMsgProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  477. {

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

  479. 

  480.     if (argc == 2)

  481.     {

  482.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  483. 

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

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

  486. 

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

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

  489. 

  490.         if (bank < 0)

  491.             return 1;

  492.         if (program < 0)

  493.             return 1;

  494. 

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

  496. 

  497.         return 0;

  498.     }

  499.     else

  500.     {

  501.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  502. 

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

  504. 

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

  506. 

  507.         if (program < 0)

  508.             return 1;

  509. 

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

  511.         {

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

  513.             return 0;

  514.         }

  515. 

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

  517.         return 1;

  518.     }

  519. }

  520. 

  521. int CarlaEngineOsc::handleMsgMidi(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  522. {

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

  524.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "m");

  525. 

  526. #ifdef BUILD_BRIDGE

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

  528.     return 1;

  529. 

  530.     // unused

  531.     (void)plugin;

  532.     (void)argv;

  533. #else

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

  535.     {

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

  537.         return 1;

  538.     }

  539. 

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

  541.     uint8_t status  = data[1];

  542.     uint8_t channel = status & 0x0F;

  543. 

  544.     // Fix bad note-off

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

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

  547. 

  548.     if (MIDI_IS_STATUS_NOTE_OFF(status))

  549.     {

  550.         const uint8_t note = data[2];

  551. 

  552.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  553. 

  554.         if (note >= MAX_MIDI_NOTE)

  555.             return 1;

  556. 

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

  558.     }

  559.     else if (MIDI_IS_STATUS_NOTE_ON(status))

  560.     {

  561.         const uint8_t note = data[2];

  562.         const uint8_t velo = data[3];

  563. 

  564.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  565.         CARLA_SAFE_ASSERT_INT(velo < MAX_MIDI_VALUE, velo);

  566. 

  567.         if (note >= MAX_MIDI_NOTE)

  568.             return 1;

  569.         if (velo >= MAX_MIDI_VALUE)

  570.             return 1;

  571. 

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

  573.     }

  574. 

  575.     return 0;

  576. #endif

  577. }

  578. 

  579. int CarlaEngineOsc::handleMsgExiting(CARLA_ENGINE_OSC_HANDLE_ARGS1)

  580. {

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

  582. 

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

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

  585. 

  586.     // TODO

  587.     //plugin->freeOscData();

  588. 

  589.     return 0;

  590. }

  591. 

  592. // -----------------------------------------------------------------------

  593. 

  594. #ifndef BUILD_BRIDGE

  595. int CarlaEngineOsc::handleMsgSetActive(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  596. {

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

  598.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  599. 

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

  601. 

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

  603. 

  604.     return 0;

  605. }

  606. 

  607. int CarlaEngineOsc::handleMsgSetDryWet(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  608. {

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

  610.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  611. 

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

  613. 

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

  615. 

  616.     return 0;

  617. }

  618. 

  619. int CarlaEngineOsc::handleMsgSetVolume(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  620. {

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

  622.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  623. 

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

  625. 

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

  627. 

  628.     return 0;

  629. }

  630. 

  631. int CarlaEngineOsc::handleMsgSetBalanceLeft(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  632. {

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

  634.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  635. 

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

  637. 

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

  639. 

  640.     return 0;

  641. }

  642. 

  643. int CarlaEngineOsc::handleMsgSetBalanceRight(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  644. {

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

  646.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  647. 

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

  649. 

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

  651. 

  652.     return 0;

  653. }

  654. 

  655. int CarlaEngineOsc::handleMsgSetPanning(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  656. {

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

  658.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  659. 

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

  661. 

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

  663. 

  664.     return 0;

  665. }

  666. 

  667. int CarlaEngineOsc::handleMsgSetParameterValue(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  668. {

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

  670.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  671. 

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

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

  674. 

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

  676. 

  677.     if (index < 0)

  678.         return 1;

  679. 

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

  681. 

  682.     return 0;

  683. }

  684. 

  685. int CarlaEngineOsc::handleMsgSetParameterMidiCC(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  686. {

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

  688.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  689. 

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

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

  692. 

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

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

  695. 

  696.     if (index < 0)

  697.         return 1;

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

  699.         return 1;

  700. 

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

  702. 

  703.     return 0;

  704. }

  705. 

  706. int CarlaEngineOsc::handleMsgSetParameterMidiChannel(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  707. {

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

  709.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  710. 

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

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

  713. 

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

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

  716. 

  717.     if (index < 0)

  718.         return 1;

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

  720.         return 1;

  721. 

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

  723. 

  724.     return 0;

  725. }

  726. 

  727. int CarlaEngineOsc::handleMsgSetProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  728. {

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

  730.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  731. 

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

  733. 

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

  735. 

  736.     return 0;

  737. }

  738. 

  739. int CarlaEngineOsc::handleMsgSetMidiProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  740. {

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

  742.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  743. 

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

  745. 

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

  747. 

  748.     return 0;

  749. }

  750. 

  751. int CarlaEngineOsc::handleMsgNoteOn(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  752. {

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

  754.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(3, "iii");

  755. 

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

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

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

  759. 

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

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

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

  763. 

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

  765.         return 1;

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

  767.         return 1;

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

  769.         return 1;

  770. 

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

  772. 

  773.     return 0;

  774. }

  775. 

  776. int CarlaEngineOsc::handleMsgNoteOff(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  777. {

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

  779.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  780. 

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

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

  783. 

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

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

  786. 

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

  788.         return 1;

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

  790.         return 1;

  791. 

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

  793. 

  794.     return 0;

  795. }

  796. #endif

  797. 

  798. CARLA_BACKEND_END_NAMESPACE