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

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  1. /*

  2.  * Carla Engine OSC

  3.  * Copyright (C) 2012-2013 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 GPL.txt file

  16.  */

  17. 

  18. #include "CarlaEngineOsc.hpp"

  19. 

  20. #include "CarlaEngine.hpp"

  21. #include "CarlaPlugin.hpp"

  22. #include "CarlaMIDI.h"

  23. 

  24. CARLA_BACKEND_START_NAMESPACE

  25. 

  26. #ifndef BUILD_BRIDGE

  27. // -------------------------------------------------------------------

  28. // Bridge Helper, defined in plugin/CarlaBlugin.cpp

  29. 

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

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

  32. #endif

  33. 

  34. // -----------------------------------------------------------------------

  35. 

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

  37.     : kEngine(engine),

  38.       fServerTCP(nullptr),

  39.       fServerUDP(nullptr)

  40. {

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

  42.     CARLA_ASSERT(engine != nullptr);

  43. }

  44. 

  45. CarlaEngineOsc::~CarlaEngineOsc()

  46. {

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

  48.     CARLA_ASSERT(fName.isEmpty());

  49.     CARLA_ASSERT(fServerPathTCP.isEmpty());

  50.     CARLA_ASSERT(fServerPathUDP.isEmpty());

  51.     CARLA_ASSERT(fServerTCP == nullptr);

  52.     CARLA_ASSERT(fServerUDP == nullptr);

  53. }

  54. 

  55. // -----------------------------------------------------------------------

  56. 

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

  58. {

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

  60.     CARLA_ASSERT(fName.isEmpty());

  61.     CARLA_ASSERT(fServerPathTCP.isEmpty());

  62.     CARLA_ASSERT(fServerPathUDP.isEmpty());

  63.     CARLA_ASSERT(fServerTCP == nullptr);

  64.     CARLA_ASSERT(fServerUDP == nullptr);

  65.     CARLA_ASSERT(name != nullptr);

  66. 

  67.     fName = name;

  68.     fName.toBasic();

  69. 

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

  71. 

  72.     if (fServerTCP != nullptr)

  73.     {

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

  75.         {

  76.             fServerPathTCP  = tmpServerPathTCP;

  77.             fServerPathTCP += fName;

  78.             std::free(tmpServerPathTCP);

  79.         }

  80. 

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

  82.     }

  83. 

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

  85. 

  86.     if (fServerUDP != nullptr)

  87.     {

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

  89.         {

  90.             fServerPathUDP  = tmpServerPathUDP;

  91.             fServerPathUDP += fName;

  92.             std::free(tmpServerPathUDP);

  93.         }

  94. 

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

  96.     }

  97. 

  98.     CARLA_ASSERT(fName.isNotEmpty());

  99.     CARLA_ASSERT(fServerPathTCP.isNotEmpty());

  100.     CARLA_ASSERT(fServerPathUDP.isNotEmpty());

  101.     CARLA_ASSERT(fServerTCP != nullptr);

  102.     CARLA_ASSERT(fServerUDP != nullptr);

  103. }

  104. 

  105. void CarlaEngineOsc::idle()

  106. {

  107.     if (fServerTCP != nullptr)

  108.     {

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

  110.     }

  111. 

  112.     if (fServerUDP != nullptr)

  113.     {

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

  115.     }

  116. }

  117. 

  118. void CarlaEngineOsc::close()

  119. {

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

  121.     CARLA_ASSERT(fName.isNotEmpty());

  122.     CARLA_ASSERT(fServerPathTCP.isNotEmpty());

  123.     CARLA_ASSERT(fServerPathUDP.isNotEmpty());

  124.     CARLA_ASSERT(fServerTCP != nullptr);

  125.     CARLA_ASSERT(fServerUDP != nullptr);

  126. 

  127.     fName.clear();

  128. 

  129.     if (fServerTCP != nullptr)

  130.     {

  131.         lo_server_del_method(fServerTCP, nullptr, nullptr);

  132.         lo_server_free(fServerTCP);

  133.         fServerTCP = nullptr;

  134.     }

  135. 

  136.     if (fServerUDP != nullptr)

  137.     {

  138.         lo_server_del_method(fServerUDP, nullptr, nullptr);

  139.         lo_server_free(fServerUDP);

  140.         fServerUDP = nullptr;

  141.     }

  142. 

  143.     fServerPathTCP.clear();

  144.     fServerPathUDP.clear();

  145. 

  146. #ifndef BUILD_BRIDGE

  147.     fControlData.free();

  148. #endif

  149. 

  150.     CARLA_ASSERT(fName.isEmpty());

  151.     CARLA_ASSERT(fServerPathTCP.isEmpty());

  152.     CARLA_ASSERT(fServerPathUDP.isEmpty());

  153.     CARLA_ASSERT(fServerTCP == nullptr);

  154.     CARLA_ASSERT(fServerUDP == nullptr);

  155. }

  156. 

  157. // -----------------------------------------------------------------------

  158. 

  159. bool isDigit(const char c)

  160. {

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

  162. }

  163. 

  164. 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)

  165. {

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

  167.     CARLA_ASSERT(fName.isNotEmpty());

  168.     CARLA_ASSERT(fServerPathTCP.isNotEmpty());

  169.     CARLA_ASSERT(fServerPathUDP.isNotEmpty());

  170.     CARLA_ASSERT(fServerTCP != nullptr);

  171.     CARLA_ASSERT(fServerUDP != nullptr);

  172.     CARLA_ASSERT(path != nullptr);

  173. 

  174.     if (path == nullptr)

  175.     {

  176.         carla_stderr("CarlaEngineOsc::handleMessage() - got invalid path");

  177.         return 1;

  178.     }

  179. 

  180.     if (fName.isEmpty())

  181.     {

  182.         carla_stderr("CarlaEngineOsc::handleMessage(%s, \"%s\", ...) - received message but client is offline", bool2str(isTCP), path);

  183.         return 1;

  184.     }

  185. 

  186. #ifndef BUILD_BRIDGE

  187.     // Initial path check

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

  189.     {

  190.         const lo_address source = lo_message_get_source(msg);

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

  192.     }

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

  194.     {

  195.         return handleMsgUnregister();

  196.     }

  197. #endif

  198. 

  199.     const size_t nameSize = fName.length();

  200. 

  201.     // Check if message is for this client

  202.     if (std::strlen(path) <= nameSize || std::strncmp(path+1, (const char*)fName, nameSize) != 0)

  203.     {

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

  205.         return 1;

  206.     }

  207. 

  208.     // Get plugin id from message

  209.     // eg, /carla/23/method

  210. 

  211.     unsigned int pluginId = 0;

  212.     size_t offset;

  213. 

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

  215.     {

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

  217.         {

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

  219.             {

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

  221.                 return 1;

  222.             }

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

  224.             {

  225.                 // 3 digits, /xyz/method

  226.                 offset    = 6;

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

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

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

  230.             }

  231.             else

  232.             {

  233.                 // 2 digits, /xy/method

  234.                 offset    = 5;

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

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

  237.             }

  238.         }

  239.         else

  240.         {

  241.             // single digit, /x/method

  242.             offset    = 4;

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

  244.         }

  245.     }

  246. 

  247.     if (pluginId > kEngine->currentPluginCount())

  248.     {

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

  250.         return 1;

  251.     }

  252. 

  253.     // Get plugin

  254.     CarlaPlugin* const plugin = kEngine->getPluginUnchecked(pluginId);

  255. 

  256.     if (plugin == nullptr || plugin->id() != pluginId)

  257.     {

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

  259.         return 1;

  260.     }

  261. 

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

  263.     char method[32] = { 0 };

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

  265. 

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

  267.     {

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

  269.         return 1;

  270.     }

  271. 

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

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

  274.     {

  275.         const lo_address source = lo_message_get_source(msg);

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

  277.     }

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

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

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

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

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

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

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

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

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

  287.         return handleMsgExiting(plugin);

  288. 

  289. #ifndef BUILD_BRIDGE

  290.     // Internal methods

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  317. 

  318.     // Plugin Bridges

  319.     if ((plugin->hints() & PLUGIN_IS_BRIDGE) > 0 && strlen(method) > 11 && strncmp(method, "bridge_", 7) == 0)

  320.     {

  321.         if (std::strcmp(method+7, "set_peaks") == 0)

  322.             return handleMsgBridgeSetPeaks(plugin, argc, argv, types);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  363.     }

  364. #endif

  365. 

  366.     // Plugin-specific methods, FIXME

  367. #if 0 //def WANT_LV2

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

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

  370.     if (std::strcmp(method, "lv2_event_transfer") == 0)

  371.         return handleMsgLv2EventTransfer(plugin, argc, argv, types);

  372. #endif

  373. 

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

  375.     return 1;

  376. }

  377. 

  378. // -----------------------------------------------------------------------

  379. 

  380. #ifndef BUILD_BRIDGE

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

  382. {

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

  384.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  385. 

  386.     if (fControlData.path != nullptr)

  387.     {

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

  389.         return 1;

  390.     }

  391. 

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

  393. 

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

  395. 

  396.     {

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

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

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

  400.     }

  401. 

  402.     {

  403.         char* host = lo_url_get_hostname(url);

  404.         char* port = lo_url_get_port(url);

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

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

  407. 

  408.         std::free(host);

  409.         std::free(port);

  410.     }

  411. 

  412.     for (unsigned short i=0; i < kEngine->currentPluginCount(); i++)

  413.     {

  414.         CarlaPlugin* const plugin = kEngine->getPluginUnchecked(i);

  415. 

  416.         if (plugin && plugin->enabled())

  417.             plugin->registerToOscClient();

  418.     }

  419. 

  420.     return 0;

  421. }

  422. 

  423. int CarlaEngineOsc::handleMsgUnregister()

  424. {

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

  426. 

  427.     if (fControlData.path == nullptr)

  428.     {

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

  430.         return 1;

  431.     }

  432. 

  433.     fControlData.free();

  434.     return 0;

  435. }

  436. #endif

  437. 

  438. // -----------------------------------------------------------------------

  439. 

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

  441. {

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

  443.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "s");

  444. 

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

  446. 

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

  448. 

  449.     return 0;

  450. }

  451. 

  452. int CarlaEngineOsc::handleMsgConfigure(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  453. {

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

  455.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ss");

  456. 

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

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

  459. 

  460.     plugin->setCustomData(CUSTOM_DATA_STRING, key, value, false);

  461. 

  462.     return 0;

  463. }

  464. 

  465. int CarlaEngineOsc::handleMsgControl(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  466. {

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

  468.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  469. 

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

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

  472. 

  473.     plugin->setParameterValueByRIndex(rindex, value, false, true, true);

  474. 

  475.     return 0;

  476. }

  477. 

  478. int CarlaEngineOsc::handleMsgProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  479. {

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

  481. 

  482.     if (argc == 2)

  483.     {

  484.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  485. 

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

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

  488. 

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

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

  491. 

  492.         if (bank < 0)

  493.             return 1;

  494.         if (program < 0)

  495.             return 1;

  496. 

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

  498. 

  499.         return 0;

  500.     }

  501.     else

  502.     {

  503.         CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  504. 

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

  506. 

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

  508. 

  509.         if (program < 0)

  510.             return 1;

  511. 

  512.         if (program < static_cast<int32_t>(plugin->programCount()))

  513.         {

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

  515.             return 0;

  516.         }

  517. 

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

  519.         return 1;

  520.     }

  521. }

  522. 

  523. int CarlaEngineOsc::handleMsgMidi(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  524. {

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

  526.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "m");

  527. 

  528.     if (plugin->midiInCount() == 0)

  529.     {

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

  531.         return 1;

  532.     }

  533. 

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

  535.     uint8_t status  = data[1];

  536.     uint8_t channel = status & 0x0F;

  537. 

  538.     // Fix bad note-off

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

  540.         status -= 0x10;

  541. 

  542.     if (MIDI_IS_STATUS_NOTE_OFF(status))

  543.     {

  544.         const uint8_t note = data[2];

  545. 

  546.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  547. 

  548.         if (note >= MAX_MIDI_NOTE)

  549.             return 1;

  550. 

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

  552.     }

  553.     else if (MIDI_IS_STATUS_NOTE_ON(status))

  554.     {

  555.         const uint8_t note = data[2];

  556.         const uint8_t velo = data[3];

  557. 

  558.         CARLA_SAFE_ASSERT_INT(note < MAX_MIDI_NOTE, note);

  559.         CARLA_SAFE_ASSERT_INT(velo < MAX_MIDI_VALUE, velo);

  560. 

  561.         if (note >= MAX_MIDI_NOTE)

  562.             return 1;

  563.         if (velo >= MAX_MIDI_VALUE)

  564.             return 1;

  565. 

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

  567.     }

  568. 

  569.     return 0;

  570. }

  571. 

  572. int CarlaEngineOsc::handleMsgExiting(CARLA_ENGINE_OSC_HANDLE_ARGS1)

  573. {

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

  575. 

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

  577.     kEngine->callback(CALLBACK_SHOW_GUI, plugin->id(), 0, 0, 0.0f, nullptr);

  578. 

  579.     plugin->freeOscData();

  580. 

  581.     return 0;

  582. }

  583. 

  584. // -----------------------------------------------------------------------

  585. 

  586. #ifndef BUILD_BRIDGE

  587. int CarlaEngineOsc::handleMsgSetActive(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  588. {

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

  590.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  591. 

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

  593. 

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

  595. 

  596.     return 0;

  597. }

  598. 

  599. int CarlaEngineOsc::handleMsgSetDryWet(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  600. {

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

  602.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  603. 

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

  605. 

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

  607. 

  608.     return 0;

  609. }

  610. 

  611. int CarlaEngineOsc::handleMsgSetVolume(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  612. {

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

  614.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  615. 

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

  617. 

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

  619. 

  620.     return 0;

  621. }

  622. 

  623. int CarlaEngineOsc::handleMsgSetBalanceLeft(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  624. {

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

  626.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  627. 

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

  629. 

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

  631. 

  632.     return 0;

  633. }

  634. 

  635. int CarlaEngineOsc::handleMsgSetBalanceRight(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  636. {

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

  638.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  639. 

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

  641. 

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

  643. 

  644.     return 0;

  645. }

  646. 

  647. int CarlaEngineOsc::handleMsgSetPanning(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  648. {

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

  650.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "f");

  651. 

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

  653. 

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

  655. 

  656.     return 0;

  657. }

  658. 

  659. int CarlaEngineOsc::handleMsgSetParameterValue(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  660. {

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

  662.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "if");

  663. 

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

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

  666. 

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

  668. 

  669.     if (index < 0)

  670.         return 1;

  671. 

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

  673. 

  674.     return 0;

  675. }

  676. 

  677. int CarlaEngineOsc::handleMsgSetParameterMidiCC(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  678. {

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

  680.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  681. 

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

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

  684. 

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

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

  687. 

  688.     if (index < 0)

  689.         return 1;

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

  691.         return 1;

  692. 

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

  694. 

  695.     return 0;

  696. }

  697. 

  698. int CarlaEngineOsc::handleMsgSetParameterMidiChannel(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  699. {

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

  701.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  702. 

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

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

  705. 

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

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

  708. 

  709.     if (index < 0)

  710.         return 1;

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

  712.         return 1;

  713. 

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

  715. 

  716.     return 0;

  717. }

  718. 

  719. int CarlaEngineOsc::handleMsgSetProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  720. {

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

  722.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  723. 

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

  725. 

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

  727. 

  728.     return 0;

  729. }

  730. 

  731. int CarlaEngineOsc::handleMsgSetMidiProgram(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  732. {

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

  734.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(1, "i");

  735. 

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

  737. 

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

  739. 

  740.     return 0;

  741. }

  742. 

  743. int CarlaEngineOsc::handleMsgNoteOn(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  744. {

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

  746.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(3, "iii");

  747. 

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

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

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

  751. 

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

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

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

  755. 

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

  757.         return 1;

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

  759.         return 1;

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

  761.         return 1;

  762. 

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

  764. 

  765.     return 0;

  766. }

  767. 

  768. int CarlaEngineOsc::handleMsgNoteOff(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  769. {

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

  771.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(2, "ii");

  772. 

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

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

  775. 

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

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

  778. 

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

  780.         return 1;

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

  782.         return 1;

  783. 

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

  785. 

  786.     return 0;

  787. }

  788. 

  789. // FIXME - remove once IPC audio is implemented

  790. int CarlaEngineOsc::handleMsgBridgeSetPeaks(CARLA_ENGINE_OSC_HANDLE_ARGS2)

  791. {

  792.     CARLA_ENGINE_OSC_CHECK_OSC_TYPES(4, "ffff");

  793. 

  794.     const float in1  = argv[0]->f;

  795.     const float in2  = argv[1]->f;

  796.     const float out1 = argv[2]->f;

  797.     const float out2 = argv[3]->f;

  798. 

  799.     float const inPeaks[CarlaEngine::MAX_PEAKS] = { in1, in2 };

  800.     float const outPeaks[CarlaEngine::MAX_PEAKS] = { out1, out2 };

  801. 

  802.     kEngine->setPeaks(plugin->id(), inPeaks, outPeaks);

  803. 

  804.     return 0;

  805. }

  806. #endif

  807. 

  808. CARLA_BACKEND_END_NAMESPACE