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Carla/source/utils/CarlaVstUtils.hpp

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  1. /*

  2.  * Carla VST utils

  3.  * Copyright (C) 2011-2013 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 doc/GPL.txt file.

  16.  */

  17. 

  18. #ifndef CARLA_VST_UTILS_HPP_INCLUDED

  19. #define CARLA_VST_UTILS_HPP_INCLUDED

  20. 

  21. #include "CarlaUtils.hpp"

  22. 

  23. #include <cstring>

  24. 

  25. // -----------------------------------------------------------------------

  26. // Include fixes

  27. 

  28. // Disable deprecated VST features (NOT)

  29. #define VST_FORCE_DEPRECATED 0

  30. 

  31. #if 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 VSTCALLBACK

  110. struct ERect {

  111.     int16_t top, left, bottom, right;

  112. };

  113. struct VstTimeInfo_R {

  114.     double samplePos, sampleRate, nanoSeconds, ppqPos, tempo, barStartPos, cycleStartPos, cycleEndPos;

  115.     int32_t timeSigNumerator, timeSigDenominator, smpteOffset, smpteFrameRate, samplesToNextClock, flags;

  116. };

  117. #else

  118. #include "vst/aeffectx.h"

  119. typedef VstTimeInfo VstTimeInfo_R;

  120. #endif

  121. 

  122. // -----------------------------------------------------------------------

  123. // Plugin callback

  124. 

  125. typedef AEffect* (*VST_Function)(audioMasterCallback);

  126. 

  127. // -----------------------------------------------------------------------

  128. // Check if feature is supported by the plugin

  129. 

  130. static inline

  131. bool vstPluginCanDo(AEffect* const effect, const char* const feature)

  132. {

  133.     return (effect->dispatcher(effect, effCanDo, 0, 0, (void*)feature, 0.0f) == 1);

  134. }

  135. 

  136. // -----------------------------------------------------------------------

  137. // Convert Effect opcode to string

  138. 

  139. static inline

  140. const char* vstEffectOpcode2str(const int32_t opcode)

  141. {

  142.     switch (opcode)

  143.     {

  144.     case effOpen:

  145.         return "effOpen";

  146.     case effClose:

  147.         return "effClose";

  148.     case effSetProgram:

  149.         return "effSetProgram";

  150.     case effGetProgram:

  151.         return "effGetProgram";

  152.     case effSetProgramName:

  153.         return "effSetProgramName";

  154.     case effGetProgramName:

  155.         return "effGetProgramName";

  156.     case effGetParamLabel:

  157.         return "effGetParamLabel";

  158.     case effGetParamDisplay:

  159.         return "effGetParamDisplay";

  160.     case effGetParamName:

  161.         return "effGetParamName";

  162. #if ! VST_FORCE_DEPRECATED

  163.     case effGetVu:

  164.         return "effGetVu";

  165. #endif

  166.     case effSetSampleRate:

  167.         return "effSetSampleRate";

  168.     case effSetBlockSize:

  169.         return "effSetBlockSize";

  170.     case effMainsChanged:

  171.         return "effMainsChanged";

  172.     case effEditGetRect:

  173.         return "effEditGetRect";

  174.     case effEditOpen:

  175.         return "effEditOpen";

  176.     case effEditClose:

  177.         return "effEditClose";

  178. #if ! VST_FORCE_DEPRECATED

  179.     case effEditDraw:

  180.         return "effEditDraw";

  181.     case effEditMouse:

  182.         return "effEditMouse";

  183.     case effEditKey:

  184.         return "effEditKey";

  185. #endif

  186.     case effEditIdle:

  187.         return "effEditIdle";

  188. #if ! VST_FORCE_DEPRECATED

  189.     case effEditTop:

  190.         return "effEditTop";

  191.     case effEditSleep:

  192.         return "effEditSleep";

  193.     case effIdentify:

  194.         return "effIdentify";

  195. #endif

  196.     case effGetChunk:

  197.         return "effGetChunk";

  198.     case effSetChunk:

  199.         return "effSetChunk";

  200.     case effProcessEvents:

  201.         return "effProcessEvents";

  202.     case effCanBeAutomated:

  203.         return "effCanBeAutomated";

  204.     case effString2Parameter:

  205.         return "effString2Parameter";

  206. #if ! VST_FORCE_DEPRECATED

  207.     case effGetNumProgramCategories:

  208.         return "effGetNumProgramCategories";

  209. #endif

  210.     case effGetProgramNameIndexed:

  211.         return "effGetProgramNameIndexed";

  212. #if ! VST_FORCE_DEPRECATED

  213.     case effCopyProgram:

  214.         return "effCopyProgram";

  215.     case effConnectInput:

  216.         return "effConnectInput";

  217.     case effConnectOutput:

  218.         return "effConnectOutput";

  219. #endif

  220.     case effGetInputProperties:

  221.         return "effGetInputProperties";

  222.     case effGetOutputProperties:

  223.         return "effGetOutputProperties";

  224.     case effGetPlugCategory:

  225.         return "effGetPlugCategory";

  226. #if ! VST_FORCE_DEPRECATED

  227.     case effGetCurrentPosition:

  228.         return "effGetCurrentPosition";

  229.     case effGetDestinationBuffer:

  230.         return "effGetDestinationBuffer";

  231. #endif

  232.     case effOfflineNotify:

  233.         return "effOfflineNotify";

  234.     case effOfflinePrepare:

  235.         return "effOfflinePrepare";

  236.     case effOfflineRun:

  237.         return "effOfflineRun";

  238.     case effProcessVarIo:

  239.         return "effProcessVarIo";

  240.     case effSetSpeakerArrangement:

  241.         return "effSetSpeakerArrangement";

  242. #if ! VST_FORCE_DEPRECATED

  243.     case effSetBlockSizeAndSampleRate:

  244.         return "effSetBlockSizeAndSampleRate";

  245. #endif

  246.     case effSetBypass:

  247.         return "effSetBypass";

  248.     case effGetEffectName:

  249.         return "effGetEffectName";

  250. #if ! VST_FORCE_DEPRECATED

  251.     case effGetErrorText:

  252.         return "effGetErrorText";

  253. #endif

  254.     case effGetVendorString:

  255.         return "effGetVendorString";

  256.     case effGetProductString:

  257.         return "effGetProductString";

  258.     case effGetVendorVersion:

  259.         return "effGetVendorVersion";

  260.     case effVendorSpecific:

  261.         return "effVendorSpecific";

  262.     case effCanDo:

  263.         return "effCanDo";

  264.     case effGetTailSize:

  265.         return "effGetTailSize";

  266. #if ! VST_FORCE_DEPRECATED

  267.     case effIdle:

  268.         return "effIdle";

  269.     case effGetIcon:

  270.         return "effGetIcon";

  271.     case effSetViewPosition:

  272.         return "effSetViewPosition";

  273. #endif

  274.     case effGetParameterProperties:

  275.         return "effGetParameterProperties";

  276. #if ! VST_FORCE_DEPRECATED

  277.     case effKeysRequired:

  278.         return "effKeysRequired";

  279. #endif

  280.     case effGetVstVersion:

  281.         return "effGetVstVersion";

  282.     case effEditKeyDown:

  283.         return "effEditKeyDown";

  284.     case effEditKeyUp:

  285.         return "effEditKeyUp";

  286.     case effSetEditKnobMode:

  287.         return "effSetEditKnobMode";

  288.     case effGetMidiProgramName:

  289.         return "effGetMidiProgramName";

  290.     case effGetCurrentMidiProgram:

  291.         return "effGetCurrentMidiProgram";

  292.     case effGetMidiProgramCategory:

  293.         return "effGetMidiProgramCategory";

  294.     case effHasMidiProgramsChanged:

  295.         return "effHasMidiProgramsChanged";

  296.     case effGetMidiKeyName:

  297.         return "effGetMidiKeyName";

  298.     case effBeginSetProgram:

  299.         return "effBeginSetProgram";

  300.     case effEndSetProgram:

  301.         return "effEndSetProgram";

  302.     case effGetSpeakerArrangement:

  303.         return "effGetSpeakerArrangement";

  304.     case effShellGetNextPlugin:

  305.         return "effShellGetNextPlugin";

  306.     case effStartProcess:

  307.         return "effStartProcess";

  308.     case effStopProcess:

  309.         return "effStopProcess";

  310.     case effSetTotalSampleToProcess:

  311.         return "effSetTotalSampleToProcess";

  312.     case effSetPanLaw:

  313.         return "effSetPanLaw";

  314.     case effBeginLoadBank:

  315.         return "effBeginLoadBank";

  316.     case effBeginLoadProgram:

  317.         return "effBeginLoadProgram";

  318.     case effSetProcessPrecision:

  319.         return "effSetProcessPrecision";

  320.     case effGetNumMidiInputChannels:

  321.         return "effGetNumMidiInputChannels";

  322.     case effGetNumMidiOutputChannels:

  323.         return "effGetNumMidiOutputChannels";

  324.     default:

  325.         return "unknown";

  326.     }

  327. }

  328. 

  329. // -----------------------------------------------------------------------

  330. // Convert Host/Master opcode to string

  331. 

  332. static inline

  333. const char* vstMasterOpcode2str(const int32_t opcode)

  334. {

  335.     switch (opcode)

  336.     {

  337.     case audioMasterAutomate:

  338.         return "audioMasterAutomate";

  339.     case audioMasterVersion:

  340.         return "audioMasterVersion";

  341.     case audioMasterCurrentId:

  342.         return "audioMasterCurrentId";

  343.     case audioMasterIdle:

  344.         return "audioMasterIdle";

  345. #if ! VST_FORCE_DEPRECATED

  346.     case audioMasterPinConnected:

  347.         return "audioMasterPinConnected";

  348.     case audioMasterWantMidi:

  349.         return "audioMasterWantMidi";

  350. #endif

  351.     case audioMasterGetTime:

  352.         return "audioMasterGetTime";

  353.     case audioMasterProcessEvents:

  354.         return "audioMasterProcessEvents";

  355. #if ! VST_FORCE_DEPRECATED

  356.     case audioMasterSetTime:

  357.         return "audioMasterSetTime";

  358.     case audioMasterTempoAt:

  359.         return "audioMasterTempoAt";

  360.     case audioMasterGetNumAutomatableParameters:

  361.         return "audioMasterGetNumAutomatableParameters";

  362.     case audioMasterGetParameterQuantization:

  363.         return "audioMasterGetParameterQuantization";

  364. #endif

  365.     case audioMasterIOChanged:

  366.         return "audioMasterIOChanged";

  367. #if ! VST_FORCE_DEPRECATED

  368.     case audioMasterNeedIdle:

  369.         return "audioMasterNeedIdle";

  370. #endif

  371.     case audioMasterSizeWindow:

  372.         return "audioMasterSizeWindow";

  373.     case audioMasterGetSampleRate:

  374.         return "audioMasterGetSampleRate";

  375.     case audioMasterGetBlockSize:

  376.         return "audioMasterGetBlockSize";

  377.     case audioMasterGetInputLatency:

  378.         return "audioMasterGetInputLatency";

  379.     case audioMasterGetOutputLatency:

  380.         return "audioMasterGetOutputLatency";

  381. #if ! VST_FORCE_DEPRECATED

  382.     case audioMasterGetPreviousPlug:

  383.         return "audioMasterGetPreviousPlug";

  384.     case audioMasterGetNextPlug:

  385.         return "audioMasterGetNextPlug";

  386.     case audioMasterWillReplaceOrAccumulate:

  387.         return "audioMasterWillReplaceOrAccumulate";

  388. #endif

  389.     case audioMasterGetCurrentProcessLevel:

  390.         return "audioMasterGetCurrentProcessLevel";

  391.     case audioMasterGetAutomationState:

  392.         return "audioMasterGetAutomationState";

  393.     case audioMasterOfflineStart:

  394.         return "audioMasterOfflineStart";

  395.     case audioMasterOfflineRead:

  396.         return "audioMasterOfflineRead";

  397.     case audioMasterOfflineWrite:

  398.         return "audioMasterOfflineWrite";

  399.     case audioMasterOfflineGetCurrentPass:

  400.         return "audioMasterOfflineGetCurrentPass";

  401.     case audioMasterOfflineGetCurrentMetaPass:

  402.         return "audioMasterOfflineGetCurrentMetaPass";

  403. #if ! VST_FORCE_DEPRECATED

  404.     case audioMasterSetOutputSampleRate:

  405.         return "audioMasterSetOutputSampleRate";

  406.     case audioMasterGetOutputSpeakerArrangement:

  407.         return "audioMasterGetOutputSpeakerArrangement";

  408. #endif

  409.     case audioMasterGetVendorString:

  410.         return "audioMasterGetVendorString";

  411.     case audioMasterGetProductString:

  412.         return "audioMasterGetProductString";

  413.     case audioMasterGetVendorVersion:

  414.         return "audioMasterGetVendorVersion";

  415.     case audioMasterVendorSpecific:

  416.         return "audioMasterVendorSpecific";

  417. #if ! VST_FORCE_DEPRECATED

  418.     case audioMasterSetIcon:

  419.         return "audioMasterSetIcon";

  420. #endif

  421.     case audioMasterCanDo:

  422.         return "audioMasterCanDo";

  423.     case audioMasterGetLanguage:

  424.         return "audioMasterGetLanguage";

  425. #if ! VST_FORCE_DEPRECATED

  426.     case audioMasterOpenWindow:

  427.         return "audioMasterOpenWindow";

  428.     case audioMasterCloseWindow:

  429.         return "audioMasterCloseWindow";

  430. #endif

  431.     case audioMasterGetDirectory:

  432.         return "audioMasterGetDirectory";

  433.     case audioMasterUpdateDisplay:

  434.         return "audioMasterUpdateDisplay";

  435.     case audioMasterBeginEdit:

  436.         return "audioMasterBeginEdit";

  437.     case audioMasterEndEdit:

  438.         return "audioMasterEndEdit";

  439.     case audioMasterOpenFileSelector:

  440.         return "audioMasterOpenFileSelector";

  441.     case audioMasterCloseFileSelector:

  442.         return "audioMasterCloseFileSelector";

  443. #if ! VST_FORCE_DEPRECATED

  444.     case audioMasterEditFile:

  445.         return "audioMasterEditFile";

  446.     case audioMasterGetChunkFile:

  447.         return "audioMasterGetChunkFile";

  448.     case audioMasterGetInputSpeakerArrangement:

  449.         return "audioMasterGetInputSpeakerArrangement";

  450. #endif

  451.     default:

  452.         return "unknown";

  453.     }

  454. }

  455. 

  456. // -----------------------------------------------------------------------

  457. 

  458. #endif // CARLA_VST_UTILS_HPP_INCLUDED