Audio plugin host https://kx.studio/carla
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  1. /*
  2. * Carla VST utils
  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. #ifndef CARLA_VST_UTILS_HPP_INCLUDED
  18. #define CARLA_VST_UTILS_HPP_INCLUDED
  19. #include "CarlaUtils.hpp"
  20. // -----------------------------------------------------------------------
  21. // Include fixes
  22. // Define __cdecl if needed
  23. #ifndef CARLA_OS_WIN
  24. # ifndef __cdecl
  25. # define __cdecl
  26. # endif
  27. #endif
  28. // Disable deprecated VST features (NOT)
  29. #define VST_2_4_EXTENSIONS 1
  30. #define VST_FORCE_DEPRECATED 0
  31. #ifdef VESTIGE_HEADER
  32. #include "vestige/aeffectx.h"
  33. #define audioMasterGetOutputSpeakerArrangement audioMasterGetSpeakerArrangement
  34. #define effFlagsProgramChunks (1 << 5)
  35. #define effSetProgramName 4
  36. #define effGetParamLabel 6
  37. #define effGetParamDisplay 7
  38. #define effGetVu 9
  39. #define effEditDraw 16
  40. #define effEditMouse 17
  41. #define effEditKey 18
  42. #define effEditSleep 21
  43. #define effIdentify 22
  44. #define effGetChunk 23
  45. #define effSetChunk 24
  46. #define effCanBeAutomated 26
  47. #define effString2Parameter 27
  48. #define effGetNumProgramCategories 28
  49. #define effGetProgramNameIndexed 29
  50. #define effCopyProgram 30
  51. #define effConnectInput 31
  52. #define effConnectOutput 32
  53. #define effGetInputProperties 33
  54. #define effGetOutputProperties 34
  55. #define effGetPlugCategory 35
  56. #define effGetCurrentPosition 36
  57. #define effGetDestinationBuffer 37
  58. #define effOfflineNotify 38
  59. #define effOfflinePrepare 39
  60. #define effOfflineRun 40
  61. #define effProcessVarIo 41
  62. #define effSetSpeakerArrangement 42
  63. #define effSetBlockSizeAndSampleRate 43
  64. #define effSetBypass 44
  65. #define effGetErrorText 46
  66. #define effVendorSpecific 50
  67. #define effGetTailSize 52
  68. #define effIdle 53
  69. #define effGetIcon 54
  70. #define effSetViewPosition 55
  71. #define effKeysRequired 57
  72. #define effEditKeyDown 59
  73. #define effEditKeyUp 60
  74. #define effSetEditKnobMode 61
  75. #define effGetMidiProgramName 62
  76. #define effGetCurrentMidiProgram 63
  77. #define effGetMidiProgramCategory 64
  78. #define effHasMidiProgramsChanged 65
  79. #define effGetMidiKeyName 66
  80. #define effBeginSetProgram 67
  81. #define effEndSetProgram 68
  82. #define effGetSpeakerArrangement 69
  83. #define effShellGetNextPlugin 70
  84. #define effStartProcess 71
  85. #define effStopProcess 72
  86. #define effSetTotalSampleToProcess 73
  87. #define effSetPanLaw 74
  88. #define effBeginLoadBank 75
  89. #define effBeginLoadProgram 76
  90. #define effSetProcessPrecision 77
  91. #define effGetNumMidiInputChannels 78
  92. #define effGetNumMidiOutputChannels 79
  93. #define kPlugCategSynth 2
  94. #define kPlugCategAnalysis 3
  95. #define kPlugCategMastering 4
  96. #define kPlugCategRoomFx 6
  97. #define kPlugCategRestoration 8
  98. #define kPlugCategShell 10
  99. #define kPlugCategGenerator 11
  100. #define kVstAutomationOff 1
  101. #define kVstAutomationReadWrite 4
  102. #define kVstProcessLevelUnknown 0
  103. #define kVstProcessLevelUser 1
  104. #define kVstProcessLevelRealtime 2
  105. #define kVstProcessLevelOffline 4
  106. #define kVstProcessPrecision32 0
  107. #define kVstTransportChanged 1
  108. #define kVstVersion 2400
  109. #define DECLARE_VST_DEPRECATED(idx) idx
  110. #define VSTCALLBACK __cdecl
  111. struct ERect {
  112. int16_t top, left, bottom, right;
  113. };
  114. #else
  115. #ifdef CARLA_OS_MAC
  116. # undef __ppc__
  117. # define __ppc__ 0
  118. #else
  119. # undef TARGET_API_MAC_CARBON
  120. # define TARGET_API_MAC_CARBON 0
  121. #endif
  122. #undef VST_64BIT_PLATFORM
  123. #define VST_64BIT_PLATFORM (defined(_WIN64) || defined(__LP64__) || defined (_LP64))
  124. #include "vst2/pluginterfaces/vst2.x/aeffectx.h"
  125. #endif
  126. // -----------------------------------------------------------------------
  127. // Plugin callback
  128. typedef AEffect* (*VST_Function)(audioMasterCallback);
  129. // -----------------------------------------------------------------------
  130. // Check if feature is supported by the plugin
  131. static inline
  132. bool vstPluginCanDo(AEffect* const effect, const char* const feature) noexcept
  133. {
  134. CARLA_SAFE_ASSERT_RETURN(effect != nullptr, false);
  135. CARLA_SAFE_ASSERT_RETURN(feature != nullptr && feature[0] != '\0', false);
  136. try {
  137. return (effect->dispatcher(effect, effCanDo, 0, 0, const_cast<char*>(feature), 0.0f) == 1);
  138. } CARLA_SAFE_EXCEPTION_RETURN("vstPluginCanDo", false);
  139. }
  140. // -----------------------------------------------------------------------
  141. // Convert Effect opcode to string
  142. static inline
  143. const char* vstEffectOpcode2str(const int32_t opcode) noexcept
  144. {
  145. switch (opcode)
  146. {
  147. case effOpen:
  148. return "effOpen";
  149. case effClose:
  150. return "effClose";
  151. case effSetProgram:
  152. return "effSetProgram";
  153. case effGetProgram:
  154. return "effGetProgram";
  155. case effSetProgramName:
  156. return "effSetProgramName";
  157. case effGetProgramName:
  158. return "effGetProgramName";
  159. case effGetParamLabel:
  160. return "effGetParamLabel";
  161. case effGetParamDisplay:
  162. return "effGetParamDisplay";
  163. case effGetParamName:
  164. return "effGetParamName";
  165. case DECLARE_VST_DEPRECATED(effGetVu):
  166. return "effGetVu";
  167. case effSetSampleRate:
  168. return "effSetSampleRate";
  169. case effSetBlockSize:
  170. return "effSetBlockSize";
  171. case effMainsChanged:
  172. return "effMainsChanged";
  173. case effEditGetRect:
  174. return "effEditGetRect";
  175. case effEditOpen:
  176. return "effEditOpen";
  177. case effEditClose:
  178. return "effEditClose";
  179. case DECLARE_VST_DEPRECATED(effEditDraw):
  180. return "effEditDraw";
  181. case DECLARE_VST_DEPRECATED(effEditMouse):
  182. return "effEditMouse";
  183. case DECLARE_VST_DEPRECATED(effEditKey):
  184. return "effEditKey";
  185. case effEditIdle:
  186. return "effEditIdle";
  187. case DECLARE_VST_DEPRECATED(effEditTop):
  188. return "effEditTop";
  189. case DECLARE_VST_DEPRECATED(effEditSleep):
  190. return "effEditSleep";
  191. case DECLARE_VST_DEPRECATED(effIdentify):
  192. return "effIdentify";
  193. case effGetChunk:
  194. return "effGetChunk";
  195. case effSetChunk:
  196. return "effSetChunk";
  197. case effProcessEvents:
  198. return "effProcessEvents";
  199. case effCanBeAutomated:
  200. return "effCanBeAutomated";
  201. case effString2Parameter:
  202. return "effString2Parameter";
  203. case DECLARE_VST_DEPRECATED(effGetNumProgramCategories):
  204. return "effGetNumProgramCategories";
  205. case effGetProgramNameIndexed:
  206. return "effGetProgramNameIndexed";
  207. case DECLARE_VST_DEPRECATED(effCopyProgram):
  208. return "effCopyProgram";
  209. case DECLARE_VST_DEPRECATED(effConnectInput):
  210. return "effConnectInput";
  211. case DECLARE_VST_DEPRECATED(effConnectOutput):
  212. return "effConnectOutput";
  213. case effGetInputProperties:
  214. return "effGetInputProperties";
  215. case effGetOutputProperties:
  216. return "effGetOutputProperties";
  217. case effGetPlugCategory:
  218. return "effGetPlugCategory";
  219. case DECLARE_VST_DEPRECATED(effGetCurrentPosition):
  220. return "effGetCurrentPosition";
  221. case DECLARE_VST_DEPRECATED(effGetDestinationBuffer):
  222. return "effGetDestinationBuffer";
  223. case effOfflineNotify:
  224. return "effOfflineNotify";
  225. case effOfflinePrepare:
  226. return "effOfflinePrepare";
  227. case effOfflineRun:
  228. return "effOfflineRun";
  229. case effProcessVarIo:
  230. return "effProcessVarIo";
  231. case effSetSpeakerArrangement:
  232. return "effSetSpeakerArrangement";
  233. case DECLARE_VST_DEPRECATED(effSetBlockSizeAndSampleRate):
  234. return "effSetBlockSizeAndSampleRate";
  235. case effSetBypass:
  236. return "effSetBypass";
  237. case effGetEffectName:
  238. return "effGetEffectName";
  239. case DECLARE_VST_DEPRECATED(effGetErrorText):
  240. return "effGetErrorText";
  241. case effGetVendorString:
  242. return "effGetVendorString";
  243. case effGetProductString:
  244. return "effGetProductString";
  245. case effGetVendorVersion:
  246. return "effGetVendorVersion";
  247. case effVendorSpecific:
  248. return "effVendorSpecific";
  249. case effCanDo:
  250. return "effCanDo";
  251. case effGetTailSize:
  252. return "effGetTailSize";
  253. case DECLARE_VST_DEPRECATED(effIdle):
  254. return "effIdle";
  255. case DECLARE_VST_DEPRECATED(effGetIcon):
  256. return "effGetIcon";
  257. case DECLARE_VST_DEPRECATED(effSetViewPosition):
  258. return "effSetViewPosition";
  259. case effGetParameterProperties:
  260. return "effGetParameterProperties";
  261. case DECLARE_VST_DEPRECATED(effKeysRequired):
  262. return "effKeysRequired";
  263. case effGetVstVersion:
  264. return "effGetVstVersion";
  265. case effEditKeyDown:
  266. return "effEditKeyDown";
  267. case effEditKeyUp:
  268. return "effEditKeyUp";
  269. case effSetEditKnobMode:
  270. return "effSetEditKnobMode";
  271. case effGetMidiProgramName:
  272. return "effGetMidiProgramName";
  273. case effGetCurrentMidiProgram:
  274. return "effGetCurrentMidiProgram";
  275. case effGetMidiProgramCategory:
  276. return "effGetMidiProgramCategory";
  277. case effHasMidiProgramsChanged:
  278. return "effHasMidiProgramsChanged";
  279. case effGetMidiKeyName:
  280. return "effGetMidiKeyName";
  281. case effBeginSetProgram:
  282. return "effBeginSetProgram";
  283. case effEndSetProgram:
  284. return "effEndSetProgram";
  285. case effGetSpeakerArrangement:
  286. return "effGetSpeakerArrangement";
  287. case effShellGetNextPlugin:
  288. return "effShellGetNextPlugin";
  289. case effStartProcess:
  290. return "effStartProcess";
  291. case effStopProcess:
  292. return "effStopProcess";
  293. case effSetTotalSampleToProcess:
  294. return "effSetTotalSampleToProcess";
  295. case effSetPanLaw:
  296. return "effSetPanLaw";
  297. case effBeginLoadBank:
  298. return "effBeginLoadBank";
  299. case effBeginLoadProgram:
  300. return "effBeginLoadProgram";
  301. case effSetProcessPrecision:
  302. return "effSetProcessPrecision";
  303. case effGetNumMidiInputChannels:
  304. return "effGetNumMidiInputChannels";
  305. case effGetNumMidiOutputChannels:
  306. return "effGetNumMidiOutputChannels";
  307. default:
  308. return "unknown";
  309. }
  310. }
  311. // -----------------------------------------------------------------------
  312. // Convert Host/Master opcode to string
  313. static inline
  314. const char* vstMasterOpcode2str(const int32_t opcode) noexcept
  315. {
  316. switch (opcode)
  317. {
  318. case audioMasterAutomate:
  319. return "audioMasterAutomate";
  320. case audioMasterVersion:
  321. return "audioMasterVersion";
  322. case audioMasterCurrentId:
  323. return "audioMasterCurrentId";
  324. case audioMasterIdle:
  325. return "audioMasterIdle";
  326. case DECLARE_VST_DEPRECATED(audioMasterPinConnected):
  327. return "audioMasterPinConnected";
  328. case DECLARE_VST_DEPRECATED(audioMasterWantMidi):
  329. return "audioMasterWantMidi";
  330. case audioMasterGetTime:
  331. return "audioMasterGetTime";
  332. case audioMasterProcessEvents:
  333. return "audioMasterProcessEvents";
  334. case DECLARE_VST_DEPRECATED(audioMasterSetTime):
  335. return "audioMasterSetTime";
  336. case DECLARE_VST_DEPRECATED(audioMasterTempoAt):
  337. return "audioMasterTempoAt";
  338. case DECLARE_VST_DEPRECATED(audioMasterGetNumAutomatableParameters):
  339. return "audioMasterGetNumAutomatableParameters";
  340. case DECLARE_VST_DEPRECATED(audioMasterGetParameterQuantization):
  341. return "audioMasterGetParameterQuantization";
  342. case audioMasterIOChanged:
  343. return "audioMasterIOChanged";
  344. case DECLARE_VST_DEPRECATED(audioMasterNeedIdle):
  345. return "audioMasterNeedIdle";
  346. case audioMasterSizeWindow:
  347. return "audioMasterSizeWindow";
  348. case audioMasterGetSampleRate:
  349. return "audioMasterGetSampleRate";
  350. case audioMasterGetBlockSize:
  351. return "audioMasterGetBlockSize";
  352. case audioMasterGetInputLatency:
  353. return "audioMasterGetInputLatency";
  354. case audioMasterGetOutputLatency:
  355. return "audioMasterGetOutputLatency";
  356. case DECLARE_VST_DEPRECATED(audioMasterGetPreviousPlug):
  357. return "audioMasterGetPreviousPlug";
  358. case DECLARE_VST_DEPRECATED(audioMasterGetNextPlug):
  359. return "audioMasterGetNextPlug";
  360. case DECLARE_VST_DEPRECATED(audioMasterWillReplaceOrAccumulate):
  361. return "audioMasterWillReplaceOrAccumulate";
  362. case audioMasterGetCurrentProcessLevel:
  363. return "audioMasterGetCurrentProcessLevel";
  364. case audioMasterGetAutomationState:
  365. return "audioMasterGetAutomationState";
  366. case audioMasterOfflineStart:
  367. return "audioMasterOfflineStart";
  368. case audioMasterOfflineRead:
  369. return "audioMasterOfflineRead";
  370. case audioMasterOfflineWrite:
  371. return "audioMasterOfflineWrite";
  372. case audioMasterOfflineGetCurrentPass:
  373. return "audioMasterOfflineGetCurrentPass";
  374. case audioMasterOfflineGetCurrentMetaPass:
  375. return "audioMasterOfflineGetCurrentMetaPass";
  376. case DECLARE_VST_DEPRECATED(audioMasterSetOutputSampleRate):
  377. return "audioMasterSetOutputSampleRate";
  378. case DECLARE_VST_DEPRECATED(audioMasterGetOutputSpeakerArrangement):
  379. return "audioMasterGetOutputSpeakerArrangement";
  380. case audioMasterGetVendorString:
  381. return "audioMasterGetVendorString";
  382. case audioMasterGetProductString:
  383. return "audioMasterGetProductString";
  384. case audioMasterGetVendorVersion:
  385. return "audioMasterGetVendorVersion";
  386. case audioMasterVendorSpecific:
  387. return "audioMasterVendorSpecific";
  388. case DECLARE_VST_DEPRECATED(audioMasterSetIcon):
  389. return "audioMasterSetIcon";
  390. case audioMasterCanDo:
  391. return "audioMasterCanDo";
  392. case audioMasterGetLanguage:
  393. return "audioMasterGetLanguage";
  394. case DECLARE_VST_DEPRECATED(audioMasterOpenWindow):
  395. return "audioMasterOpenWindow";
  396. case DECLARE_VST_DEPRECATED(audioMasterCloseWindow):
  397. return "audioMasterCloseWindow";
  398. case audioMasterGetDirectory:
  399. return "audioMasterGetDirectory";
  400. case audioMasterUpdateDisplay:
  401. return "audioMasterUpdateDisplay";
  402. case audioMasterBeginEdit:
  403. return "audioMasterBeginEdit";
  404. case audioMasterEndEdit:
  405. return "audioMasterEndEdit";
  406. case audioMasterOpenFileSelector:
  407. return "audioMasterOpenFileSelector";
  408. case audioMasterCloseFileSelector:
  409. return "audioMasterCloseFileSelector";
  410. case DECLARE_VST_DEPRECATED(audioMasterEditFile):
  411. return "audioMasterEditFile";
  412. case DECLARE_VST_DEPRECATED(audioMasterGetChunkFile):
  413. return "audioMasterGetChunkFile";
  414. case DECLARE_VST_DEPRECATED(audioMasterGetInputSpeakerArrangement):
  415. return "audioMasterGetInputSpeakerArrangement";
  416. default:
  417. return "unknown";
  418. }
  419. }
  420. // -----------------------------------------------------------------------
  421. #endif // CARLA_VST_UTILS_HPP_INCLUDED