Audio plugin host https://kx.studio/carla
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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. #include "CarlaDefines.h"
  18. #ifdef BUILD_BRIDGE
  19. # error This file should not be compiled if building bridge
  20. #endif
  21. #ifdef CARLA_OS_WIN
  22. # error This file should not be compiled for Windows
  23. #endif
  24. #include "CarlaEngineInternal.hpp"
  25. #include "CarlaPlugin.hpp"
  26. #include "CarlaBackendUtils.hpp"
  27. #include "CarlaMathUtils.hpp"
  28. #include "CarlaStateUtils.hpp"
  29. #include "CarlaExternalUI.hpp"
  30. #include "CarlaNative.hpp"
  31. #include "juce_audio_basics.h"
  32. using juce::FloatVectorOperations;
  33. using juce::MemoryOutputStream;
  34. using juce::ScopedPointer;
  35. using juce::String;
  36. using juce::XmlDocument;
  37. using juce::XmlElement;
  38. CARLA_BACKEND_START_NAMESPACE
  39. #if 0
  40. } // Fix editor indentation
  41. #endif
  42. // -----------------------------------------------------------------------
  43. class CarlaEngineNativeUI : public CarlaExternalUI
  44. {
  45. public:
  46. CarlaEngineNativeUI(CarlaEngine* const engine)
  47. : fEngine(engine)
  48. {
  49. carla_debug("CarlaEngineNativeUI::CarlaEngineNativeUI(%p)", engine);
  50. }
  51. ~CarlaEngineNativeUI() override
  52. {
  53. carla_debug("CarlaEngineNativeUI::~CarlaEngineNativeUI()");
  54. }
  55. CarlaMutex& getWriteLock() noexcept
  56. {
  57. return fWriteLock;
  58. }
  59. protected:
  60. bool msgReceived(const char* const msg) noexcept override
  61. {
  62. if (CarlaExternalUI::msgReceived(msg))
  63. return true;
  64. bool ok = true;
  65. if (std::strcmp(msg, "set_engine_option") == 0)
  66. {
  67. uint32_t option;
  68. int32_t value;
  69. const char* valueStr;
  70. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(option), true);
  71. CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(value), true);
  72. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(valueStr), true);
  73. try {
  74. fEngine->setOption(static_cast<EngineOption>(option), value, valueStr);
  75. } catch(...) {}
  76. delete[] valueStr;
  77. }
  78. else if (std::strcmp(msg, "load_file") == 0)
  79. {
  80. const char* filename;
  81. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);
  82. try {
  83. ok = fEngine->loadFile(filename);
  84. } catch(...) {}
  85. delete[] filename;
  86. }
  87. else if (std::strcmp(msg, "load_project") == 0)
  88. {
  89. const char* filename;
  90. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);
  91. try {
  92. ok = fEngine->loadProject(filename);
  93. } catch(...) {}
  94. delete[] filename;
  95. }
  96. else if (std::strcmp(msg, "save_project") == 0)
  97. {
  98. const char* filename;
  99. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);
  100. try {
  101. ok = fEngine->saveProject(filename);
  102. } catch(...) {}
  103. delete[] filename;
  104. }
  105. else if (std::strcmp(msg, "patchbay_connect") == 0)
  106. {
  107. uint32_t groupA, portA, groupB, portB;
  108. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(groupA), true);
  109. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(portA), true);
  110. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(groupB), true);
  111. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(portB), true);
  112. try {
  113. ok = fEngine->patchbayConnect(groupA, portA, groupB, portB);
  114. } catch(...) {}
  115. }
  116. else if (std::strcmp(msg, "patchbay_disconnect") == 0)
  117. {
  118. uint32_t connectionId;
  119. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(connectionId), true);
  120. try {
  121. ok = fEngine->patchbayDisconnect(connectionId);
  122. } catch(...) {}
  123. }
  124. else if (std::strcmp(msg, "patchbay_refresh") == 0)
  125. {
  126. try {
  127. ok = fEngine->patchbayRefresh();
  128. } catch(...) {}
  129. }
  130. else if (std::strcmp(msg, "transport_play") == 0)
  131. {
  132. fEngine->transportPlay();
  133. }
  134. else if (std::strcmp(msg, "transport_pause") == 0)
  135. {
  136. fEngine->transportPause();
  137. }
  138. else if (std::strcmp(msg, "transport_relocate") == 0)
  139. {
  140. uint64_t frame;
  141. CARLA_SAFE_ASSERT_RETURN(readNextLineAsULong(frame), true);
  142. fEngine->transportRelocate(frame);
  143. }
  144. else if (std::strcmp(msg, "add_plugin") == 0)
  145. {
  146. uint32_t btype, ptype;
  147. const char* filename = nullptr;
  148. const char* name;
  149. const char* label;
  150. int64_t uniqueId;
  151. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(btype), true);
  152. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(ptype), true);
  153. readNextLineAsString(filename); // can be null
  154. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(name), true);
  155. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(label), true);
  156. CARLA_SAFE_ASSERT_RETURN(readNextLineAsLong(uniqueId), true);
  157. if (filename != nullptr && std::strcmp(filename, "(null)") == 0)
  158. {
  159. delete[] filename;
  160. filename = nullptr;
  161. }
  162. if (std::strcmp(name, "(null)") == 0)
  163. {
  164. delete[] name;
  165. name = nullptr;
  166. }
  167. ok = fEngine->addPlugin(static_cast<BinaryType>(btype), static_cast<PluginType>(ptype), filename, name, label, uniqueId, nullptr);
  168. if (filename != nullptr)
  169. delete[] filename;
  170. if (name != nullptr)
  171. delete[] name;
  172. delete[] label;
  173. }
  174. else if (std::strcmp(msg, "remove_plugin") == 0)
  175. {
  176. uint32_t pluginId;
  177. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  178. ok = fEngine->removePlugin(pluginId);
  179. }
  180. else if (std::strcmp(msg, "remove_all_plugins") == 0)
  181. {
  182. ok = fEngine->removeAllPlugins();
  183. }
  184. else if (std::strcmp(msg, "rename_plugin") == 0)
  185. {
  186. uint32_t pluginId;
  187. const char* newName;
  188. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  189. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(newName), true);
  190. // TODO
  191. /*const char* name =*/ fEngine->renamePlugin(pluginId, newName);
  192. delete[] newName;
  193. }
  194. else if (std::strcmp(msg, "clone_plugin") == 0)
  195. {
  196. uint32_t pluginId;
  197. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  198. ok = fEngine->clonePlugin(pluginId);
  199. }
  200. else if (std::strcmp(msg, "replace_plugin") == 0)
  201. {
  202. uint32_t pluginId;
  203. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  204. ok = fEngine->replacePlugin(pluginId);
  205. }
  206. else if (std::strcmp(msg, "switch_plugins") == 0)
  207. {
  208. uint32_t pluginIdA, pluginIdB;
  209. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginIdA), true);
  210. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginIdB), true);
  211. ok = fEngine->switchPlugins(pluginIdA, pluginIdB);
  212. }
  213. else if (std::strcmp(msg, "load_plugin_state") == 0)
  214. {
  215. uint32_t pluginId;
  216. const char* filename;
  217. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  218. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);
  219. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  220. plugin->loadStateFromFile(filename);
  221. delete[] filename;
  222. }
  223. else if (std::strcmp(msg, "save_plugin_state") == 0)
  224. {
  225. uint32_t pluginId;
  226. const char* filename;
  227. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  228. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(filename), true);
  229. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  230. plugin->saveStateToFile(filename);
  231. delete[] filename;
  232. }
  233. else if (std::strcmp(msg, "set_option") == 0)
  234. {
  235. uint32_t pluginId, option;
  236. bool yesNo;
  237. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  238. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(option), true);
  239. CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(yesNo), true);
  240. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  241. plugin->setOption(option, yesNo);
  242. }
  243. else if (std::strcmp(msg, "set_active") == 0)
  244. {
  245. uint32_t pluginId;
  246. bool onOff;
  247. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  248. CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(onOff), true);
  249. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  250. plugin->setActive(onOff, true, false);
  251. }
  252. else if (std::strcmp(msg, "set_drywet") == 0)
  253. {
  254. uint32_t pluginId;
  255. float value;
  256. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  257. CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);
  258. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  259. plugin->setDryWet(value, true, false);
  260. }
  261. else if (std::strcmp(msg, "set_volume") == 0)
  262. {
  263. uint32_t pluginId;
  264. float value;
  265. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  266. CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);
  267. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  268. plugin->setVolume(value, true, false);
  269. }
  270. else if (std::strcmp(msg, "set_balance_left") == 0)
  271. {
  272. uint32_t pluginId;
  273. float value;
  274. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  275. CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);
  276. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  277. plugin->setBalanceLeft(value, true, false);
  278. }
  279. else if (std::strcmp(msg, "set_balance_right") == 0)
  280. {
  281. uint32_t pluginId;
  282. float value;
  283. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  284. CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);
  285. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  286. plugin->setBalanceRight(value, true, false);
  287. }
  288. else if (std::strcmp(msg, "set_panning") == 0)
  289. {
  290. uint32_t pluginId;
  291. float value;
  292. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  293. CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);
  294. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  295. plugin->setPanning(value, true, false);
  296. }
  297. else if (std::strcmp(msg, "set_ctrl_channel") == 0)
  298. {
  299. uint32_t pluginId;
  300. int32_t channel;
  301. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  302. CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(channel), true);
  303. CARLA_SAFE_ASSERT_RETURN(channel >= -1 && channel < MAX_MIDI_CHANNELS, true);
  304. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  305. plugin->setCtrlChannel(int8_t(channel), true, false);
  306. }
  307. else if (std::strcmp(msg, "set_parameter_value") == 0)
  308. {
  309. uint32_t pluginId, parameterId;
  310. float value;
  311. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  312. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);
  313. CARLA_SAFE_ASSERT_RETURN(readNextLineAsFloat(value), true);
  314. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  315. plugin->setParameterValue(parameterId, value, true, true, false);
  316. }
  317. else if (std::strcmp(msg, "set_parameter_midi_channel") == 0)
  318. {
  319. uint32_t pluginId, parameterId, channel;
  320. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  321. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);
  322. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(channel), true);
  323. CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);
  324. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  325. plugin->setParameterMidiChannel(parameterId, static_cast<uint8_t>(channel), true, false);
  326. }
  327. else if (std::strcmp(msg, "set_parameter_midi_cc") == 0)
  328. {
  329. uint32_t pluginId, parameterId;
  330. int32_t cc;
  331. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  332. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(parameterId), true);
  333. CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(cc), true);
  334. CARLA_SAFE_ASSERT_RETURN(cc >= -1 && cc < 0x5F, true);
  335. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  336. plugin->setParameterMidiCC(parameterId, static_cast<int16_t>(cc), true, false);
  337. }
  338. else if (std::strcmp(msg, "set_program") == 0)
  339. {
  340. uint32_t pluginId;
  341. int32_t index;
  342. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  343. CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(index), true);
  344. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  345. plugin->setProgram(index, true, true, false);
  346. }
  347. else if (std::strcmp(msg, "set_midi_program") == 0)
  348. {
  349. uint32_t pluginId;
  350. int32_t index;
  351. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  352. CARLA_SAFE_ASSERT_RETURN(readNextLineAsInt(index), true);
  353. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  354. plugin->setMidiProgram(index, true, true, false);
  355. }
  356. else if (std::strcmp(msg, "set_custom_data") == 0)
  357. {
  358. uint32_t pluginId;
  359. const char* type;
  360. const char* key;
  361. const char* value;
  362. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  363. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(type), true);
  364. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(key), true);
  365. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(value), true);
  366. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  367. plugin->setCustomData(type, key, value, true);
  368. delete[] type;
  369. delete[] key;
  370. delete[] value;
  371. }
  372. else if (std::strcmp(msg, "set_chunk_data") == 0)
  373. {
  374. uint32_t pluginId;
  375. const char* cdata;
  376. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  377. CARLA_SAFE_ASSERT_RETURN(readNextLineAsString(cdata), true);
  378. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  379. plugin->setChunkData(cdata);
  380. delete[] cdata;
  381. }
  382. else if (std::strcmp(msg, "prepare_for_save") == 0)
  383. {
  384. uint32_t pluginId;
  385. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  386. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  387. plugin->prepareForSave();
  388. }
  389. else if (std::strcmp(msg, "reset_parameters") == 0)
  390. {
  391. uint32_t pluginId;
  392. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  393. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  394. plugin->resetParameters();
  395. }
  396. else if (std::strcmp(msg, "randomize_parameters") == 0)
  397. {
  398. uint32_t pluginId;
  399. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  400. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  401. plugin->randomizeParameters();
  402. }
  403. else if (std::strcmp(msg, "send_midi_note") == 0)
  404. {
  405. uint32_t pluginId, channel, note, velocity;
  406. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  407. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(channel), true);
  408. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(note), true);
  409. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(velocity), true);
  410. CARLA_SAFE_ASSERT_RETURN(channel < MAX_MIDI_CHANNELS, true);
  411. CARLA_SAFE_ASSERT_RETURN(note < MAX_MIDI_VALUE, true);
  412. CARLA_SAFE_ASSERT_RETURN(velocity < MAX_MIDI_VALUE, true);
  413. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  414. plugin->sendMidiSingleNote(static_cast<uint8_t>(channel), static_cast<uint8_t>(note), static_cast<uint8_t>(velocity), true, true, false);
  415. }
  416. else if (std::strcmp(msg, "show_custom_ui") == 0)
  417. {
  418. uint32_t pluginId;
  419. bool yesNo;
  420. CARLA_SAFE_ASSERT_RETURN(readNextLineAsUInt(pluginId), true);
  421. CARLA_SAFE_ASSERT_RETURN(readNextLineAsBool(yesNo), true);
  422. if (CarlaPlugin* const plugin = fEngine->getPlugin(pluginId))
  423. plugin->showCustomUI(yesNo);
  424. }
  425. else
  426. {
  427. carla_stderr("msgReceived : %s", msg);
  428. return false;
  429. }
  430. if (! ok)
  431. {
  432. const CarlaMutexLocker cml(fWriteLock);
  433. writeMsg("error\n", 6);
  434. writeAndFixMsg(fEngine->getLastError());
  435. }
  436. return true;
  437. }
  438. private:
  439. CarlaEngine* const fEngine;
  440. CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNativeUI)
  441. };
  442. // -----------------------------------------------------------------------
  443. class CarlaEngineNative : public CarlaEngine
  444. {
  445. public:
  446. CarlaEngineNative(const NativeHostDescriptor* const host, const bool isPatchbay)
  447. : CarlaEngine(),
  448. pHost(host),
  449. fIsPatchbay(isPatchbay),
  450. fIsActive(false),
  451. fIsRunning(false),
  452. fUiServer(this)
  453. {
  454. carla_debug("CarlaEngineNative::CarlaEngineNative()");
  455. carla_zeroChar(fTmpBuf, STR_MAX+1);
  456. // set-up engine
  457. if (fIsPatchbay)
  458. {
  459. pData->options.processMode = ENGINE_PROCESS_MODE_PATCHBAY;
  460. pData->options.transportMode = ENGINE_TRANSPORT_MODE_PLUGIN;
  461. pData->options.forceStereo = false;
  462. pData->options.preferPluginBridges = false;
  463. pData->options.preferUiBridges = false;
  464. init("Carla-Patchbay");
  465. pData->graph.create(false, pData->sampleRate, pData->bufferSize, 2, 2);
  466. }
  467. else
  468. {
  469. pData->options.processMode = ENGINE_PROCESS_MODE_CONTINUOUS_RACK;
  470. pData->options.transportMode = ENGINE_TRANSPORT_MODE_PLUGIN;
  471. pData->options.forceStereo = true;
  472. pData->options.preferPluginBridges = false;
  473. pData->options.preferUiBridges = false;
  474. init("Carla-Rack");
  475. pData->graph.create(false, pData->sampleRate, pData->bufferSize, 0, 0);
  476. }
  477. if (pData->options.resourceDir != nullptr)
  478. delete[] pData->options.resourceDir;
  479. if (pData->options.binaryDir != nullptr)
  480. delete[] pData->options.binaryDir;
  481. pData->options.resourceDir = carla_strdup(pHost->resourceDir);
  482. pData->options.binaryDir = carla_strdup(pHost->resourceDir);
  483. setCallback(_ui_server_callback, this);
  484. }
  485. ~CarlaEngineNative() override
  486. {
  487. CARLA_SAFE_ASSERT(! fIsActive);
  488. carla_debug("CarlaEngineNative::~CarlaEngineNative() - START");
  489. pData->aboutToClose = true;
  490. fIsRunning = false;
  491. removeAllPlugins();
  492. runPendingRtEvents();
  493. close();
  494. pData->graph.destroy();
  495. carla_debug("CarlaEngineNative::~CarlaEngineNative() - END");
  496. }
  497. protected:
  498. // -------------------------------------
  499. // CarlaEngine virtual calls
  500. bool init(const char* const clientName) override
  501. {
  502. carla_debug("CarlaEngineNative::init(\"%s\")", clientName);
  503. pData->bufferSize = pHost->get_buffer_size(pHost->handle);
  504. pData->sampleRate = pHost->get_sample_rate(pHost->handle);
  505. fIsRunning = true;
  506. CarlaEngine::init(clientName);
  507. return true;
  508. }
  509. bool isRunning() const noexcept override
  510. {
  511. return fIsRunning;
  512. }
  513. bool isOffline() const noexcept override
  514. {
  515. return pHost->is_offline(pHost->handle);
  516. }
  517. EngineType getType() const noexcept override
  518. {
  519. return kEngineTypePlugin;
  520. }
  521. const char* getCurrentDriverName() const noexcept override
  522. {
  523. return "Plugin";
  524. }
  525. // -------------------------------------------------------------------
  526. const char* renamePlugin(const uint id, const char* const newName) override
  527. {
  528. if (const char* const retName = CarlaEngine::renamePlugin(id, newName))
  529. {
  530. uiServerCallback(ENGINE_CALLBACK_PLUGIN_RENAMED, id, 0, 0, 0.0f, retName);
  531. return retName;
  532. }
  533. return nullptr;
  534. }
  535. // -------------------------------------------------------------------
  536. void bufferSizeChanged(const uint32_t newBufferSize)
  537. {
  538. pData->bufferSize = newBufferSize;
  539. CarlaEngine::bufferSizeChanged(newBufferSize);
  540. }
  541. void sampleRateChanged(const double newSampleRate)
  542. {
  543. pData->sampleRate = newSampleRate;
  544. CarlaEngine::sampleRateChanged(newSampleRate);
  545. }
  546. // -------------------------------------------------------------------
  547. void uiServerSendPluginInfo(CarlaPlugin* const plugin)
  548. {
  549. const CarlaMutexLocker cml(fUiServer.getWriteLock());
  550. const uint pluginId(plugin->getId());
  551. std::sprintf(fTmpBuf, "PLUGIN_INFO_%i\n", pluginId);
  552. fUiServer.writeMsg(fTmpBuf);
  553. std::sprintf(fTmpBuf, "%i:%i:%i:" P_INT64 ":%i:%i\n", plugin->getType(), plugin->getCategory(), plugin->getHints(), plugin->getUniqueId(), plugin->getOptionsAvailable(), plugin->getOptionsEnabled());
  554. fUiServer.writeMsg(fTmpBuf);
  555. if (const char* const filename = plugin->getFilename())
  556. {
  557. std::sprintf(fTmpBuf, "%s", filename);
  558. fUiServer.writeAndFixMsg(fTmpBuf);
  559. }
  560. else
  561. fUiServer.writeMsg("\n");
  562. if (const char* const name = plugin->getName())
  563. {
  564. std::sprintf(fTmpBuf, "%s", name);
  565. fUiServer.writeAndFixMsg(fTmpBuf);
  566. }
  567. else
  568. fUiServer.writeMsg("\n");
  569. if (const char* const iconName = plugin->getIconName())
  570. {
  571. std::sprintf(fTmpBuf, "%s", iconName);
  572. fUiServer.writeAndFixMsg(fTmpBuf);
  573. }
  574. else
  575. fUiServer.writeMsg("\n");
  576. plugin->getRealName(fTmpBuf);
  577. fUiServer.writeAndFixMsg(fTmpBuf);
  578. plugin->getLabel(fTmpBuf);
  579. fUiServer.writeAndFixMsg(fTmpBuf);
  580. plugin->getMaker(fTmpBuf);
  581. fUiServer.writeAndFixMsg(fTmpBuf);
  582. plugin->getCopyright(fTmpBuf);
  583. fUiServer.writeAndFixMsg(fTmpBuf);
  584. std::sprintf(fTmpBuf, "AUDIO_COUNT_%i:%i:%i\n", pluginId, plugin->getAudioInCount(), plugin->getAudioOutCount());
  585. fUiServer.writeMsg(fTmpBuf);
  586. std::sprintf(fTmpBuf, "MIDI_COUNT_%i:%i:%i\n", pluginId, plugin->getMidiInCount(), plugin->getMidiOutCount());
  587. fUiServer.writeMsg(fTmpBuf);
  588. }
  589. void uiServerSendPluginParameters(CarlaPlugin* const plugin)
  590. {
  591. const CarlaMutexLocker cml(fUiServer.getWriteLock());
  592. const uint pluginId(plugin->getId());
  593. uint32_t ins, outs, count;
  594. plugin->getParameterCountInfo(ins, outs);
  595. count = plugin->getParameterCount();
  596. std::sprintf(fTmpBuf, "PARAMETER_COUNT_%i:%i:%i:%i\n", pluginId, ins, outs, count);
  597. fUiServer.writeMsg(fTmpBuf);
  598. for (uint32_t i=0; i<count; ++i)
  599. {
  600. const ParameterData& paramData(plugin->getParameterData(i));
  601. const ParameterRanges& paramRanges(plugin->getParameterRanges(i));
  602. std::sprintf(fTmpBuf, "PARAMETER_DATA_%i:%i\n", pluginId, i);
  603. fUiServer.writeMsg(fTmpBuf);
  604. std::sprintf(fTmpBuf, "%i:%i:%i:%i\n", paramData.type, paramData.hints, paramData.midiChannel, paramData.midiCC);
  605. fUiServer.writeMsg(fTmpBuf);
  606. plugin->getParameterName(i, fTmpBuf);
  607. fUiServer.writeAndFixMsg(fTmpBuf);
  608. plugin->getParameterUnit(i, fTmpBuf);
  609. fUiServer.writeAndFixMsg(fTmpBuf);
  610. std::sprintf(fTmpBuf, "PARAMETER_RANGES_%i:%i\n", pluginId, i);
  611. fUiServer.writeMsg(fTmpBuf);
  612. std::sprintf(fTmpBuf, "%f:%f:%f:%f:%f:%f\n", paramRanges.def, paramRanges.min, paramRanges.max, paramRanges.step, paramRanges.stepSmall, paramRanges.stepLarge);
  613. fUiServer.writeMsg(fTmpBuf);
  614. std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", pluginId, i);
  615. fUiServer.writeMsg(fTmpBuf);
  616. std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(i));
  617. fUiServer.writeMsg(fTmpBuf);
  618. }
  619. }
  620. void uiServerSendPluginPrograms(CarlaPlugin* const plugin)
  621. {
  622. const CarlaMutexLocker cml(fUiServer.getWriteLock());
  623. const uint pluginId(plugin->getId());
  624. uint32_t count = plugin->getProgramCount();
  625. std::sprintf(fTmpBuf, "PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentProgram());
  626. fUiServer.writeMsg(fTmpBuf);
  627. for (uint32_t i=0; i<count; ++i)
  628. {
  629. std::sprintf(fTmpBuf, "PROGRAM_NAME_%i:%i\n", pluginId, i);
  630. fUiServer.writeMsg(fTmpBuf);
  631. plugin->getProgramName(i, fTmpBuf);
  632. fUiServer.writeAndFixMsg(fTmpBuf);
  633. }
  634. count = plugin->getMidiProgramCount();
  635. std::sprintf(fTmpBuf, "MIDI_PROGRAM_COUNT_%i:%i:%i\n", pluginId, count, plugin->getCurrentMidiProgram());
  636. fUiServer.writeMsg(fTmpBuf);
  637. for (uint32_t i=0; i<count; ++i)
  638. {
  639. std::sprintf(fTmpBuf, "MIDI_PROGRAM_DATA_%i:%i\n", pluginId, i);
  640. fUiServer.writeMsg(fTmpBuf);
  641. const MidiProgramData& mpData(plugin->getMidiProgramData(i));
  642. std::sprintf(fTmpBuf, "%i:%i\n", mpData.bank, mpData.program);
  643. fUiServer.writeMsg(fTmpBuf);
  644. std::sprintf(fTmpBuf, "%s", mpData.name);
  645. fUiServer.writeAndFixMsg(fTmpBuf);
  646. }
  647. }
  648. void uiServerCallback(const EngineCallbackOpcode action, const uint pluginId, const int value1, const int value2, const float value3, const char* const valueStr)
  649. {
  650. if (! fIsRunning)
  651. return;
  652. if (! fUiServer.isOk())
  653. return;
  654. CarlaPlugin* plugin;
  655. switch (action)
  656. {
  657. case ENGINE_CALLBACK_RELOAD_INFO:
  658. plugin = getPlugin(pluginId);
  659. if (plugin != nullptr && plugin->isEnabled())
  660. {
  661. CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);
  662. uiServerSendPluginInfo(plugin);
  663. }
  664. break;
  665. case ENGINE_CALLBACK_RELOAD_PARAMETERS:
  666. plugin = getPlugin(pluginId);
  667. if (plugin != nullptr && plugin->isEnabled())
  668. {
  669. CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);
  670. uiServerSendPluginParameters(plugin);
  671. }
  672. break;
  673. case ENGINE_CALLBACK_RELOAD_PROGRAMS:
  674. plugin = getPlugin(pluginId);
  675. if (plugin != nullptr && plugin->isEnabled())
  676. {
  677. CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);
  678. uiServerSendPluginPrograms(plugin);
  679. }
  680. break;
  681. case ENGINE_CALLBACK_RELOAD_ALL:
  682. case ENGINE_CALLBACK_PLUGIN_ADDED:
  683. plugin = getPlugin(pluginId);
  684. if (plugin != nullptr && plugin->isEnabled())
  685. {
  686. CARLA_SAFE_ASSERT_BREAK(plugin->getId() == pluginId);
  687. uiServerSendPluginInfo(plugin);
  688. uiServerSendPluginParameters(plugin);
  689. uiServerSendPluginPrograms(plugin);
  690. }
  691. break;
  692. default:
  693. break;
  694. }
  695. const CarlaMutexLocker cml(fUiServer.getWriteLock());
  696. std::sprintf(fTmpBuf, "ENGINE_CALLBACK_%i\n", int(action));
  697. fUiServer.writeMsg(fTmpBuf);
  698. std::sprintf(fTmpBuf, "%u\n", pluginId);
  699. fUiServer.writeMsg(fTmpBuf);
  700. std::sprintf(fTmpBuf, "%i\n", value1);
  701. fUiServer.writeMsg(fTmpBuf);
  702. std::sprintf(fTmpBuf, "%i\n", value2);
  703. fUiServer.writeMsg(fTmpBuf);
  704. std::sprintf(fTmpBuf, "%f\n", value3);
  705. fUiServer.writeMsg(fTmpBuf);
  706. fUiServer.writeAndFixMsg(valueStr);
  707. }
  708. // -------------------------------------------------------------------
  709. // Plugin parameter calls
  710. uint32_t getParameterCount() const
  711. {
  712. if (CarlaPlugin* const plugin = _getFirstPlugin())
  713. return plugin->getParameterCount();
  714. return 0;
  715. }
  716. const NativeParameter* getParameterInfo(const uint32_t index) const
  717. {
  718. if (CarlaPlugin* const plugin = _getFirstPlugin())
  719. {
  720. if (index < plugin->getParameterCount())
  721. {
  722. static NativeParameter param;
  723. static char strBufName[STR_MAX+1];
  724. static char strBufUnit[STR_MAX+1];
  725. const ParameterData& paramData(plugin->getParameterData(index));
  726. const ParameterRanges& paramRanges(plugin->getParameterRanges(index));
  727. plugin->getParameterName(index, strBufName);
  728. plugin->getParameterUnit(index, strBufUnit);
  729. uint hints = 0x0;
  730. if (paramData.hints & PARAMETER_IS_BOOLEAN)
  731. hints |= ::PARAMETER_IS_BOOLEAN;
  732. if (paramData.hints & PARAMETER_IS_INTEGER)
  733. hints |= ::PARAMETER_IS_INTEGER;
  734. if (paramData.hints & PARAMETER_IS_LOGARITHMIC)
  735. hints |= ::PARAMETER_IS_LOGARITHMIC;
  736. if (paramData.hints & PARAMETER_IS_AUTOMABLE)
  737. hints |= ::PARAMETER_IS_AUTOMABLE;
  738. if (paramData.hints & PARAMETER_USES_SAMPLERATE)
  739. hints |= ::PARAMETER_USES_SAMPLE_RATE;
  740. if (paramData.hints & PARAMETER_USES_SCALEPOINTS)
  741. hints |= ::PARAMETER_USES_SCALEPOINTS;
  742. if (paramData.hints & PARAMETER_USES_CUSTOM_TEXT)
  743. hints |= ::PARAMETER_USES_CUSTOM_TEXT;
  744. if (paramData.type == PARAMETER_INPUT || paramData.type == PARAMETER_OUTPUT)
  745. {
  746. if (paramData.hints & PARAMETER_IS_ENABLED)
  747. hints |= ::PARAMETER_IS_ENABLED;
  748. if (paramData.type == PARAMETER_OUTPUT)
  749. hints |= ::PARAMETER_IS_OUTPUT;
  750. }
  751. param.hints = static_cast<NativeParameterHints>(hints);
  752. param.name = strBufName;
  753. param.unit = strBufUnit;
  754. param.ranges.def = paramRanges.def;
  755. param.ranges.min = paramRanges.min;
  756. param.ranges.max = paramRanges.max;
  757. param.ranges.step = paramRanges.step;
  758. param.ranges.stepSmall = paramRanges.stepSmall;
  759. param.ranges.stepLarge = paramRanges.stepLarge;
  760. param.scalePointCount = 0; // TODO
  761. param.scalePoints = nullptr;
  762. return &param;
  763. }
  764. }
  765. return nullptr;
  766. }
  767. float getParameterValue(const uint32_t index) const
  768. {
  769. if (CarlaPlugin* const plugin = _getFirstPlugin())
  770. {
  771. if (index < plugin->getParameterCount())
  772. return plugin->getParameterValue(index);
  773. }
  774. return 0.0f;
  775. }
  776. const char* getParameterText(const uint32_t index /*, const float value*/) const
  777. {
  778. if (CarlaPlugin* const plugin = _getFirstPlugin())
  779. {
  780. if (index < plugin->getParameterCount())
  781. {
  782. static char strBuf[STR_MAX+1];
  783. carla_zeroChar(strBuf, STR_MAX+1);
  784. plugin->getParameterText(index, /*value,*/ strBuf);
  785. return strBuf;
  786. }
  787. }
  788. return nullptr;
  789. }
  790. // -------------------------------------------------------------------
  791. // Plugin midi-program calls
  792. uint32_t getMidiProgramCount() const
  793. {
  794. if (CarlaPlugin* const plugin = _getFirstPlugin())
  795. return plugin->getMidiProgramCount();
  796. return 0;
  797. }
  798. const NativeMidiProgram* getMidiProgramInfo(const uint32_t index) const
  799. {
  800. if (CarlaPlugin* const plugin = _getFirstPlugin())
  801. {
  802. if (index < plugin->getMidiProgramCount())
  803. {
  804. static NativeMidiProgram midiProg;
  805. {
  806. const MidiProgramData& midiProgData(plugin->getMidiProgramData(index));
  807. midiProg.bank = midiProgData.bank;
  808. midiProg.program = midiProgData.program;
  809. midiProg.name = midiProgData.name;
  810. }
  811. return &midiProg;
  812. }
  813. }
  814. return nullptr;
  815. }
  816. // -------------------------------------------------------------------
  817. // Plugin state calls
  818. void setParameterValue(const uint32_t index, const float value)
  819. {
  820. if (CarlaPlugin* const plugin = _getFirstPlugin())
  821. {
  822. if (index < plugin->getParameterCount())
  823. plugin->setParameterValue(index, value, false, false, false);
  824. }
  825. }
  826. void setMidiProgram(const uint8_t, const uint32_t bank, const uint32_t program)
  827. {
  828. if (CarlaPlugin* const plugin = _getFirstPlugin())
  829. plugin->setMidiProgramById(bank, program, false, false, false);
  830. }
  831. // -------------------------------------------------------------------
  832. // Plugin process calls
  833. void activate()
  834. {
  835. #if 0
  836. for (uint32_t i=0; i < pData->curPluginCount; ++i)
  837. {
  838. CarlaPlugin* const plugin(pData->plugins[i].plugin);
  839. if (plugin == nullptr || ! plugin->isEnabled())
  840. continue;
  841. plugin->setActive(true, true, false);
  842. }
  843. #endif
  844. fIsActive = true;
  845. }
  846. void deactivate()
  847. {
  848. fIsActive = false;
  849. #if 0
  850. for (uint32_t i=0; i < pData->curPluginCount; ++i)
  851. {
  852. CarlaPlugin* const plugin(pData->plugins[i].plugin);
  853. if (plugin == nullptr || ! plugin->isEnabled())
  854. continue;
  855. plugin->setActive(false, true, false);
  856. }
  857. #endif
  858. // just in case
  859. runPendingRtEvents();
  860. }
  861. void process(float** const inBuffer, float** const outBuffer, const uint32_t frames, const NativeMidiEvent* const midiEvents, const uint32_t midiEventCount)
  862. {
  863. if (pData->curPluginCount == 0 && ! fIsPatchbay)
  864. {
  865. FloatVectorOperations::copy(outBuffer[0], inBuffer[0], frames);
  866. FloatVectorOperations::copy(outBuffer[1], inBuffer[1], frames);
  867. return runPendingRtEvents();;
  868. }
  869. // ---------------------------------------------------------------
  870. // Time Info
  871. const NativeTimeInfo* const timeInfo(pHost->get_time_info(pHost->handle));
  872. pData->timeInfo.playing = timeInfo->playing;
  873. pData->timeInfo.frame = timeInfo->frame;
  874. pData->timeInfo.usecs = timeInfo->usecs;
  875. pData->timeInfo.valid = 0x0;
  876. if (timeInfo->bbt.valid)
  877. {
  878. pData->timeInfo.valid |= EngineTimeInfo::kValidBBT;
  879. pData->timeInfo.bbt.bar = timeInfo->bbt.bar;
  880. pData->timeInfo.bbt.beat = timeInfo->bbt.beat;
  881. pData->timeInfo.bbt.tick = timeInfo->bbt.tick;
  882. pData->timeInfo.bbt.barStartTick = timeInfo->bbt.barStartTick;
  883. pData->timeInfo.bbt.beatsPerBar = timeInfo->bbt.beatsPerBar;
  884. pData->timeInfo.bbt.beatType = timeInfo->bbt.beatType;
  885. pData->timeInfo.bbt.ticksPerBeat = timeInfo->bbt.ticksPerBeat;
  886. pData->timeInfo.bbt.beatsPerMinute = timeInfo->bbt.beatsPerMinute;
  887. }
  888. // ---------------------------------------------------------------
  889. // initialize events
  890. carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);
  891. carla_zeroStruct<EngineEvent>(pData->events.out, kMaxEngineEventInternalCount);
  892. // ---------------------------------------------------------------
  893. // events input (before processing)
  894. {
  895. uint32_t engineEventIndex = 0;
  896. for (uint32_t i=0; i < midiEventCount && engineEventIndex < kMaxEngineEventInternalCount; ++i)
  897. {
  898. const NativeMidiEvent& midiEvent(midiEvents[i]);
  899. EngineEvent& engineEvent(pData->events.in[engineEventIndex++]);
  900. engineEvent.time = midiEvent.time;
  901. engineEvent.fillFromMidiData(midiEvent.size, midiEvent.data);
  902. if (engineEventIndex >= kMaxEngineEventInternalCount)
  903. break;
  904. }
  905. }
  906. if (fIsPatchbay)
  907. {
  908. // -----------------------------------------------------------
  909. // process
  910. pData->graph.process(pData, inBuffer, outBuffer, frames);
  911. }
  912. else
  913. {
  914. // -----------------------------------------------------------
  915. // create audio buffers
  916. const float* inBuf[2] = { inBuffer[0], inBuffer[1] };
  917. float* outBuf[2] = { outBuffer[0], outBuffer[1] };
  918. // -----------------------------------------------------------
  919. // process
  920. pData->graph.processRack(pData, inBuf, outBuf, frames);
  921. }
  922. // ---------------------------------------------------------------
  923. // events output (after processing)
  924. carla_zeroStruct<EngineEvent>(pData->events.in, kMaxEngineEventInternalCount);
  925. {
  926. NativeMidiEvent midiEvent;
  927. for (uint32_t i=0; i < kMaxEngineEventInternalCount; ++i)
  928. {
  929. const EngineEvent& engineEvent(pData->events.out[i]);
  930. if (engineEvent.type == kEngineEventTypeNull)
  931. break;
  932. midiEvent.time = engineEvent.time;
  933. if (engineEvent.type == CarlaBackend::kEngineEventTypeControl)
  934. {
  935. midiEvent.port = 0;
  936. engineEvent.ctrl.convertToMidiData(engineEvent.channel, midiEvent.size, midiEvent.data);
  937. }
  938. else if (engineEvent.type == kEngineEventTypeMidi)
  939. {
  940. if (engineEvent.midi.size > 4 || engineEvent.midi.dataExt != nullptr)
  941. continue;
  942. midiEvent.port = engineEvent.midi.port;
  943. midiEvent.size = engineEvent.midi.size;
  944. midiEvent.data[0] = static_cast<uint8_t>(engineEvent.midi.data[0] + engineEvent.channel);
  945. for (uint8_t j=1; j < midiEvent.size; ++j)
  946. midiEvent.data[j] = engineEvent.midi.data[j];
  947. }
  948. else
  949. {
  950. carla_stderr("Unknown event type...");
  951. continue;
  952. }
  953. pHost->write_midi_event(pHost->handle, &midiEvent);
  954. }
  955. }
  956. runPendingRtEvents();
  957. }
  958. // -------------------------------------------------------------------
  959. // Plugin UI calls
  960. void uiShow(const bool show)
  961. {
  962. if (show)
  963. {
  964. if (fUiServer.isOk())
  965. return;
  966. CarlaString path(pHost->resourceDir);
  967. path += "/carla-plugin";
  968. carla_stdout("Trying to start carla-plugin using \"%s\"", path.buffer());
  969. fUiServer.setData(path, pData->sampleRate, pHost->uiName);
  970. fUiServer.start();
  971. for (uint i=0; i < pData->curPluginCount; ++i)
  972. {
  973. CarlaPlugin* const plugin(pData->plugins[i].plugin);
  974. if (plugin != nullptr && plugin->isEnabled())
  975. {
  976. uiServerCallback(ENGINE_CALLBACK_PLUGIN_ADDED, i, 0, 0, 0.0f, plugin->getName());
  977. }
  978. }
  979. }
  980. else
  981. {
  982. fUiServer.stop();
  983. }
  984. }
  985. void uiIdle()
  986. {
  987. CarlaEngine::idle();
  988. fUiServer.idle();
  989. if (! fUiServer.isOk())
  990. return;
  991. for (uint i=0; i < pData->curPluginCount; ++i)
  992. {
  993. const EnginePluginData& plugData(pData->plugins[i]);
  994. const CarlaPlugin* const plugin(pData->plugins[i].plugin);
  995. {
  996. const CarlaMutexLocker cml(fUiServer.getWriteLock());
  997. std::sprintf(fTmpBuf, "PEAKS_%i\n", i);
  998. fUiServer.writeMsg(fTmpBuf);
  999. std::sprintf(fTmpBuf, "%f:%f:%f:%f\n", plugData.insPeak[0], plugData.insPeak[1], plugData.outsPeak[0], plugData.outsPeak[1]);
  1000. fUiServer.writeMsg(fTmpBuf);
  1001. }
  1002. for (uint32_t j=0, count=plugin->getParameterCount(); j < count; ++j)
  1003. {
  1004. if (plugin->isParameterOutput(j))
  1005. continue;
  1006. const CarlaMutexLocker cml(fUiServer.getWriteLock());
  1007. std::sprintf(fTmpBuf, "PARAMVAL_%i:%i\n", i, j);
  1008. fUiServer.writeMsg(fTmpBuf);
  1009. std::sprintf(fTmpBuf, "%f\n", plugin->getParameterValue(j));
  1010. fUiServer.writeMsg(fTmpBuf);
  1011. }
  1012. }
  1013. switch (fUiServer.getAndResetUiState())
  1014. {
  1015. case CarlaExternalUI::UiNone:
  1016. case CarlaExternalUI::UiShow:
  1017. break;
  1018. case CarlaExternalUI::UiCrashed:
  1019. pHost->dispatcher(pHost->handle, HOST_OPCODE_UI_UNAVAILABLE, 0, 0, nullptr, 0.0f);
  1020. break;
  1021. case CarlaExternalUI::UiHide:
  1022. pHost->ui_closed(pHost->handle);
  1023. fUiServer.stop();
  1024. break;
  1025. }
  1026. }
  1027. // -------------------------------------------------------------------
  1028. // Plugin state calls
  1029. char* getState() const
  1030. {
  1031. MemoryOutputStream out;
  1032. out << "<?xml version='1.0' encoding='UTF-8'?>\n";
  1033. out << "<!DOCTYPE CARLA-PROJECT>\n";
  1034. out << "<CARLA-PROJECT VERSION='2.0'>\n";
  1035. bool firstPlugin = true;
  1036. char strBuf[STR_MAX+1];
  1037. for (uint i=0; i < pData->curPluginCount; ++i)
  1038. {
  1039. CarlaPlugin* const plugin(pData->plugins[i].plugin);
  1040. if (plugin != nullptr && plugin->isEnabled())
  1041. {
  1042. if (! firstPlugin)
  1043. out << "\n";
  1044. strBuf[0] = '\0';
  1045. plugin->getRealName(strBuf);
  1046. //if (strBuf[0] != '\0')
  1047. // out << QString(" <!-- %1 -->\n").arg(xmlSafeString(strBuf, true));
  1048. out << " <Plugin>\n";
  1049. out << plugin->getStateSave().toString();
  1050. out << " </Plugin>\n";
  1051. firstPlugin = false;
  1052. }
  1053. }
  1054. out << "</CARLA-PROJECT>\n";
  1055. return strdup(out.toString().toRawUTF8());
  1056. }
  1057. void setState(const char* const data)
  1058. {
  1059. const String text(data);
  1060. XmlDocument xml(text);
  1061. ScopedPointer<XmlElement> xmlElement(xml.getDocumentElement(true));
  1062. CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);
  1063. CARLA_SAFE_ASSERT_RETURN(xmlElement->getTagName().equalsIgnoreCase("carla-project"),);
  1064. // completely load file
  1065. xmlElement = xml.getDocumentElement(false);
  1066. CARLA_SAFE_ASSERT_RETURN(xmlElement != nullptr,);
  1067. //bool pluginsAdded = false;
  1068. for (XmlElement* elem = xmlElement->getFirstChildElement(); elem != nullptr; elem = elem->getNextElement())
  1069. {
  1070. const String& tagName(elem->getTagName());
  1071. if (tagName.equalsIgnoreCase("plugin"))
  1072. {
  1073. StateSave stateSave;
  1074. stateSave.fillFromXmlElement(elem);
  1075. CARLA_SAFE_ASSERT_CONTINUE(stateSave.type != nullptr);
  1076. const void* extraStuff = nullptr;
  1077. // check if using GIG, SF2 or SFZ 16outs
  1078. static const char kUse16OutsSuffix[] = " (16 outs)";
  1079. const PluginType ptype(getPluginTypeFromString(stateSave.type));
  1080. if (CarlaString(stateSave.label).endsWith(kUse16OutsSuffix))
  1081. {
  1082. if (ptype == PLUGIN_GIG || ptype == PLUGIN_SF2)
  1083. extraStuff = "true";
  1084. }
  1085. // TODO - proper find&load plugins
  1086. if (addPlugin(ptype, stateSave.binary, stateSave.name, stateSave.label, stateSave.uniqueId, extraStuff))
  1087. {
  1088. if (CarlaPlugin* const plugin = getPlugin(pData->curPluginCount-1))
  1089. plugin->loadStateSave(stateSave);
  1090. }
  1091. //pluginsAdded = true;
  1092. }
  1093. }
  1094. //if (pluginsAdded)
  1095. // pHost->dispatcher(pHost->handle, HOST_OPCODE_RELOAD_ALL, 0, 0, nullptr, 0.0f);
  1096. }
  1097. // -------------------------------------------------------------------
  1098. public:
  1099. #define handlePtr ((CarlaEngineNative*)handle)
  1100. static NativePluginHandle _instantiateRack(const NativeHostDescriptor* host)
  1101. {
  1102. return new CarlaEngineNative(host, false);
  1103. }
  1104. static NativePluginHandle _instantiatePatchbay(const NativeHostDescriptor* host)
  1105. {
  1106. return new CarlaEngineNative(host, true);
  1107. }
  1108. static void _cleanup(NativePluginHandle handle)
  1109. {
  1110. delete handlePtr;
  1111. }
  1112. static uint32_t _get_parameter_count(NativePluginHandle handle)
  1113. {
  1114. return handlePtr->getParameterCount();
  1115. }
  1116. static const NativeParameter* _get_parameter_info(NativePluginHandle handle, uint32_t index)
  1117. {
  1118. return handlePtr->getParameterInfo(index);
  1119. }
  1120. static float _get_parameter_value(NativePluginHandle handle, uint32_t index)
  1121. {
  1122. return handlePtr->getParameterValue(index);
  1123. }
  1124. static const char* _get_parameter_text(NativePluginHandle handle, uint32_t index /*, float value*/)
  1125. {
  1126. return handlePtr->getParameterText(index /*, value*/);
  1127. }
  1128. static uint32_t _get_midi_program_count(NativePluginHandle handle)
  1129. {
  1130. return handlePtr->getMidiProgramCount();
  1131. }
  1132. static const NativeMidiProgram* _get_midi_program_info(NativePluginHandle handle, uint32_t index)
  1133. {
  1134. return handlePtr->getMidiProgramInfo(index);
  1135. }
  1136. static void _set_parameter_value(NativePluginHandle handle, uint32_t index, float value)
  1137. {
  1138. handlePtr->setParameterValue(index, value);
  1139. }
  1140. static void _set_midi_program(NativePluginHandle handle, uint8_t channel, uint32_t bank, uint32_t program)
  1141. {
  1142. handlePtr->setMidiProgram(channel, bank, program);
  1143. }
  1144. static void _ui_show(NativePluginHandle handle, bool show)
  1145. {
  1146. handlePtr->uiShow(show);
  1147. }
  1148. static void _ui_idle(NativePluginHandle handle)
  1149. {
  1150. handlePtr->uiIdle();
  1151. }
  1152. static void _activate(NativePluginHandle handle)
  1153. {
  1154. handlePtr->activate();
  1155. }
  1156. static void _deactivate(NativePluginHandle handle)
  1157. {
  1158. handlePtr->deactivate();
  1159. }
  1160. static void _process(NativePluginHandle handle, float** inBuffer, float** outBuffer, const uint32_t frames, const NativeMidiEvent* midiEvents, uint32_t midiEventCount)
  1161. {
  1162. handlePtr->process(inBuffer, outBuffer, frames, midiEvents, midiEventCount);
  1163. }
  1164. static char* _get_state(NativePluginHandle handle)
  1165. {
  1166. return handlePtr->getState();
  1167. }
  1168. static void _set_state(NativePluginHandle handle, const char* data)
  1169. {
  1170. handlePtr->setState(data);
  1171. }
  1172. static intptr_t _dispatcher(NativePluginHandle handle, NativePluginDispatcherOpcode opcode, int32_t index, intptr_t value, void* ptr, float opt)
  1173. {
  1174. switch(opcode)
  1175. {
  1176. case PLUGIN_OPCODE_NULL:
  1177. return 0;
  1178. case PLUGIN_OPCODE_BUFFER_SIZE_CHANGED:
  1179. CARLA_SAFE_ASSERT_RETURN(value > 0, 0);
  1180. handlePtr->bufferSizeChanged(static_cast<uint32_t>(value));
  1181. return 0;
  1182. case PLUGIN_OPCODE_SAMPLE_RATE_CHANGED:
  1183. handlePtr->sampleRateChanged(static_cast<double>(opt));
  1184. return 0;
  1185. case PLUGIN_OPCODE_OFFLINE_CHANGED:
  1186. handlePtr->offlineModeChanged(value != 0);
  1187. return 0;
  1188. case PLUGIN_OPCODE_UI_NAME_CHANGED:
  1189. //handlePtr->uiNameChanged(static_cast<const char*>(ptr));
  1190. return 0;
  1191. }
  1192. return 0;
  1193. // unused
  1194. (void)index;
  1195. (void)ptr;
  1196. }
  1197. // -------------------------------------------------------------------
  1198. static void _ui_server_callback(void* handle, EngineCallbackOpcode action, uint pluginId, int value1, int value2, float value3, const char* valueStr)
  1199. {
  1200. handlePtr->uiServerCallback(action, pluginId, value1, value2, value3, valueStr);
  1201. }
  1202. // -------------------------------------------------------------------
  1203. #undef handlePtr
  1204. private:
  1205. const NativeHostDescriptor* const pHost;
  1206. const bool fIsPatchbay; // rack if false
  1207. bool fIsActive, fIsRunning;
  1208. CarlaEngineNativeUI fUiServer;
  1209. char fTmpBuf[STR_MAX+1];
  1210. CarlaPlugin* _getFirstPlugin() const noexcept
  1211. {
  1212. if (pData->curPluginCount == 0 || pData->plugins == nullptr)
  1213. return nullptr;
  1214. CarlaPlugin* const plugin(pData->plugins[0].plugin);
  1215. if (plugin == nullptr || ! plugin->isEnabled())
  1216. return nullptr;
  1217. return pData->plugins[0].plugin;
  1218. }
  1219. CARLA_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(CarlaEngineNative)
  1220. };
  1221. // -----------------------------------------------------------------------
  1222. static const NativePluginDescriptor carlaRackDesc = {
  1223. /* category */ ::PLUGIN_CATEGORY_OTHER,
  1224. /* hints */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),
  1225. /* supports */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),
  1226. /* audioIns */ 2,
  1227. /* audioOuts */ 2,
  1228. /* midiIns */ 1,
  1229. /* midiOuts */ 1,
  1230. /* paramIns */ 0,
  1231. /* paramOuts */ 0,
  1232. /* name */ "Carla-Rack",
  1233. /* label */ "carlarack",
  1234. /* maker */ "falkTX",
  1235. /* copyright */ "GNU GPL v2+",
  1236. CarlaEngineNative::_instantiateRack,
  1237. CarlaEngineNative::_cleanup,
  1238. CarlaEngineNative::_get_parameter_count,
  1239. CarlaEngineNative::_get_parameter_info,
  1240. CarlaEngineNative::_get_parameter_value,
  1241. CarlaEngineNative::_get_parameter_text,
  1242. CarlaEngineNative::_get_midi_program_count,
  1243. CarlaEngineNative::_get_midi_program_info,
  1244. CarlaEngineNative::_set_parameter_value,
  1245. CarlaEngineNative::_set_midi_program,
  1246. /* _set_custom_data */ nullptr,
  1247. CarlaEngineNative::_ui_show,
  1248. CarlaEngineNative::_ui_idle,
  1249. /* _ui_set_parameter_value */ nullptr,
  1250. /* _ui_set_midi_program */ nullptr,
  1251. /* _ui_set_custom_data */ nullptr,
  1252. CarlaEngineNative::_activate,
  1253. CarlaEngineNative::_deactivate,
  1254. CarlaEngineNative::_process,
  1255. CarlaEngineNative::_get_state,
  1256. CarlaEngineNative::_set_state,
  1257. CarlaEngineNative::_dispatcher
  1258. };
  1259. #if 0
  1260. static const NativePluginDescriptor carlaPatchbayDesc = {
  1261. /* category */ ::PLUGIN_CATEGORY_OTHER,
  1262. /* hints */ static_cast<NativePluginHints>(::PLUGIN_IS_SYNTH|::PLUGIN_HAS_UI|::PLUGIN_NEEDS_FIXED_BUFFERS|::PLUGIN_NEEDS_SINGLE_THREAD|::PLUGIN_USES_STATE|::PLUGIN_USES_TIME),
  1263. /* supports */ static_cast<NativePluginSupports>(::PLUGIN_SUPPORTS_EVERYTHING),
  1264. /* audioIns */ 2,
  1265. /* audioOuts */ 2,
  1266. /* midiIns */ 1,
  1267. /* midiOuts */ 1,
  1268. /* paramIns */ 0,
  1269. /* paramOuts */ 0,
  1270. /* name */ "Carla-Patchbay",
  1271. /* label */ "carlapatchbay",
  1272. /* maker */ "falkTX",
  1273. /* copyright */ "GNU GPL v2+",
  1274. CarlaEngineNative::_instantiatePatchbay,
  1275. CarlaEngineNative::_cleanup,
  1276. CarlaEngineNative::_get_parameter_count,
  1277. CarlaEngineNative::_get_parameter_info,
  1278. CarlaEngineNative::_get_parameter_value,
  1279. CarlaEngineNative::_get_parameter_text,
  1280. CarlaEngineNative::_get_midi_program_count,
  1281. CarlaEngineNative::_get_midi_program_info,
  1282. CarlaEngineNative::_set_parameter_value,
  1283. CarlaEngineNative::_set_midi_program,
  1284. /* _set_custom_data */ nullptr,
  1285. CarlaEngineNative::_ui_show,
  1286. CarlaEngineNative::_ui_idle,
  1287. /* _ui_set_parameter_value */ nullptr,
  1288. /* _ui_set_midi_program */ nullptr,
  1289. /* _ui_set_custom_data */ nullptr,
  1290. CarlaEngineNative::_activate,
  1291. CarlaEngineNative::_deactivate,
  1292. CarlaEngineNative::_process,
  1293. CarlaEngineNative::_get_state,
  1294. CarlaEngineNative::_set_state,
  1295. CarlaEngineNative::_dispatcher
  1296. };
  1297. #endif
  1298. CARLA_BACKEND_END_NAMESPACE
  1299. // -----------------------------------------------------------------------
  1300. CARLA_EXPORT
  1301. void carla_register_native_plugin_carla();
  1302. void carla_register_native_plugin_carla()
  1303. {
  1304. CARLA_BACKEND_USE_NAMESPACE;
  1305. carla_register_native_plugin(&carlaRackDesc);
  1306. #if 0
  1307. carla_register_native_plugin(&carlaPatchbayDesc);
  1308. #endif
  1309. }
  1310. // -----------------------------------------------------------------------
  1311. CARLA_EXPORT
  1312. const NativePluginDescriptor* get_carla_native_plugin();
  1313. const NativePluginDescriptor* get_carla_native_plugin()
  1314. {
  1315. CARLA_BACKEND_USE_NAMESPACE;
  1316. return &carlaRackDesc;
  1317. }
  1318. // -----------------------------------------------------------------------
  1319. // Extra stuff for linking purposes
  1320. #ifdef CARLA_PLUGIN_EXPORT
  1321. CARLA_BACKEND_START_NAMESPACE
  1322. CarlaEngine* CarlaEngine::newJack() { return nullptr; }
  1323. CarlaEngine* CarlaEngine::newRtAudio(const AudioApi) { return nullptr; }
  1324. uint CarlaEngine::getRtAudioApiCount() { return 0; }
  1325. const char* CarlaEngine::getRtAudioApiName(const uint) { return nullptr; }
  1326. const char* const* CarlaEngine::getRtAudioApiDeviceNames(const uint) { return nullptr; }
  1327. const EngineDriverDeviceInfo* CarlaEngine::getRtAudioDeviceInfo(const uint, const char* const) { return nullptr; }
  1328. CarlaEngine* CarlaEngine::newJuce(const AudioApi) { return nullptr; }
  1329. uint CarlaEngine::getJuceApiCount() { return 0; }
  1330. const char* CarlaEngine::getJuceApiName(const uint) { return nullptr; }
  1331. const char* const* CarlaEngine::getJuceApiDeviceNames(const uint) { return nullptr; }
  1332. const EngineDriverDeviceInfo* CarlaEngine::getJuceDeviceInfo(const uint, const char* const) { return nullptr; }
  1333. CARLA_BACKEND_END_NAMESPACE
  1334. #include "CarlaDssiUtils.cpp"
  1335. #include "CarlaStateUtils.cpp"
  1336. #endif
  1337. // -----------------------------------------------------------------------