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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 GPL.txt file

  16.  */

  17. 

  18. #ifndef __CARLA_VST_UTILS_HPP__

  19. #define __CARLA_VST_UTILS_HPP__

  20. 

  21. #include "CarlaUtils.hpp"

  22. 

  23. #include <cstdint>

  24. #include <cstring>

  25. 

  26. // -------------------------------------------------

  27. // Include fixes

  28. 

  29. // Disable deprecated VST features (NOT)

  30. #define VST_FORCE_DEPRECATED 0

  31. 

  32. #if VESTIGE_HEADER

  33. #include "vestige/aeffectx.h"

  34. #define audioMasterGetOutputSpeakerArrangement audioMasterGetSpeakerArrangement

  35. #define effFlagsProgramChunks (1 << 5)

  36. #define effSetProgramName 4

  37. #define effGetParamLabel 6

  38. #define effGetParamDisplay 7

  39. #define effGetVu 9

  40. #define effEditDraw 16

  41. #define effEditMouse 17

  42. #define effEditKey 18

  43. #define effEditSleep 21

  44. #define effIdentify 22

  45. #define effGetChunk 23

  46. #define effSetChunk 24

  47. #define effCanBeAutomated 26

  48. #define effString2Parameter 27

  49. #define effGetNumProgramCategories 28

  50. #define effGetProgramNameIndexed 29

  51. #define effCopyProgram 30

  52. #define effConnectInput 31

  53. #define effConnectOutput 32

  54. #define effGetInputProperties 33

  55. #define effGetOutputProperties 34

  56. #define effGetPlugCategory 35

  57. #define effGetCurrentPosition 36

  58. #define effGetDestinationBuffer 37

  59. #define effOfflineNotify 38

  60. #define effOfflinePrepare 39

  61. #define effOfflineRun 40

  62. #define effProcessVarIo 41

  63. #define effSetSpeakerArrangement 42

  64. #define effSetBlockSizeAndSampleRate 43

  65. #define effSetBypass 44

  66. #define effGetErrorText 46

  67. #define effVendorSpecific 50

  68. #define effGetTailSize 52

  69. #define effIdle 53

  70. #define effGetIcon 54

  71. #define effSetViewPosition 55

  72. #define effKeysRequired 57

  73. #define effEditKeyDown 59

  74. #define effEditKeyUp 60

  75. #define effSetEditKnobMode 61

  76. #define effGetMidiProgramName 62

  77. #define effGetCurrentMidiProgram 63

  78. #define effGetMidiProgramCategory 64

  79. #define effHasMidiProgramsChanged 65

  80. #define effGetMidiKeyName 66

  81. #define effBeginSetProgram 67

  82. #define effEndSetProgram 68

  83. #define effGetSpeakerArrangement 69

  84. #define effShellGetNextPlugin 70

  85. #define effStartProcess 71

  86. #define effStopProcess 72

  87. #define effSetTotalSampleToProcess 73

  88. #define effSetPanLaw 74

  89. #define effBeginLoadBank 75

  90. #define effBeginLoadProgram 76

  91. #define effSetProcessPrecision 77

  92. #define effGetNumMidiInputChannels 78

  93. #define effGetNumMidiOutputChannels 79

  94. #define kPlugCategSynth 2

  95. #define kPlugCategAnalysis 3

  96. #define kPlugCategMastering 4

  97. #define kPlugCategRoomFx 6

  98. #define kPlugCategRestoration 8

  99. #define kPlugCategShell 10

  100. #define kPlugCategGenerator 11

  101. #define kVstAutomationOff 1

  102. #define kVstAutomationReadWrite 4

  103. #define kVstProcessLevelUnknown 0

  104. #define kVstProcessLevelUser 1

  105. #define kVstProcessLevelRealtime 2

  106. #define kVstProcessLevelOffline 4

  107. #define kVstProcessPrecision32 0

  108. #define kVstTransportChanged 1

  109. #define kVstVersion 2400

  110. #define VSTCALLBACK

  111. struct ERect {

  112.     int16_t top, left, bottom, right;

  113. };

  114. struct VstTimeInfo_R {

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

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

  117. };

  118. #else

  119. #include "vst/aeffectx.h"

  120. typedef VstTimeInfo VstTimeInfo_R;

  121. #endif

  122. 

  123. // -------------------------------------------------

  124. // Plugin callback

  125. 

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

  127. 

  128. // -------------------------------------------------

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

  130. 

  131. static inline

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

  133. {

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

  135. }

  136. 

  137. // -------------------------------------------------

  138. // Convert Effect opcode to string

  139. 

  140. static inline

  141. const char* vstEffectOpcode2str(const int32_t opcode)

  142. {

  143.     switch (opcode)

  144.     {

  145.     case effOpen:

  146.         return "effOpen";

  147.     case effClose:

  148.         return "effClose";

  149.     case effSetProgram:

  150.         return "effSetProgram";

  151.     case effGetProgram:

  152.         return "effGetProgram";

  153.     case effSetProgramName:

  154.         return "effSetProgramName";

  155.     case effGetProgramName:

  156.         return "effGetProgramName";

  157.     case effGetParamLabel:

  158.         return "effGetParamLabel";

  159.     case effGetParamDisplay:

  160.         return "effGetParamDisplay";

  161.     case effGetParamName:

  162.         return "effGetParamName";

  163. #if ! VST_FORCE_DEPRECATED

  164.     case effGetVu:

  165.         return "effGetVu";

  166. #endif

  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. #if ! VST_FORCE_DEPRECATED

  180.     case effEditDraw:

  181.         return "effEditDraw";

  182.     case effEditMouse:

  183.         return "effEditMouse";

  184.     case effEditKey:

  185.         return "effEditKey";

  186. #endif

  187.     case effEditIdle:

  188.         return "effEditIdle";

  189. #if ! VST_FORCE_DEPRECATED

  190.     case effEditTop:

  191.         return "effEditTop";

  192.     case effEditSleep:

  193.         return "effEditSleep";

  194.     case effIdentify:

  195.         return "effIdentify";

  196. #endif

  197.     case effGetChunk:

  198.         return "effGetChunk";

  199.     case effSetChunk:

  200.         return "effSetChunk";

  201.     case effProcessEvents:

  202.         return "effProcessEvents";

  203.     case effCanBeAutomated:

  204.         return "effCanBeAutomated";

  205.     case effString2Parameter:

  206.         return "effString2Parameter";

  207. #if ! VST_FORCE_DEPRECATED

  208.     case effGetNumProgramCategories:

  209.         return "effGetNumProgramCategories";

  210. #endif

  211.     case effGetProgramNameIndexed:

  212.         return "effGetProgramNameIndexed";

  213. #if ! VST_FORCE_DEPRECATED

  214.     case effCopyProgram:

  215.         return "effCopyProgram";

  216.     case effConnectInput:

  217.         return "effConnectInput";

  218.     case effConnectOutput:

  219.         return "effConnectOutput";

  220. #endif

  221.     case effGetInputProperties:

  222.         return "effGetInputProperties";

  223.     case effGetOutputProperties:

  224.         return "effGetOutputProperties";

  225.     case effGetPlugCategory:

  226.         return "effGetPlugCategory";

  227. #if ! VST_FORCE_DEPRECATED

  228.     case effGetCurrentPosition:

  229.         return "effGetCurrentPosition";

  230.     case effGetDestinationBuffer:

  231.         return "effGetDestinationBuffer";

  232. #endif

  233.     case effOfflineNotify:

  234.         return "effOfflineNotify";

  235.     case effOfflinePrepare:

  236.         return "effOfflinePrepare";

  237.     case effOfflineRun:

  238.         return "effOfflineRun";

  239.     case effProcessVarIo:

  240.         return "effProcessVarIo";

  241.     case effSetSpeakerArrangement:

  242.         return "effSetSpeakerArrangement";

  243. #if ! VST_FORCE_DEPRECATED

  244.     case effSetBlockSizeAndSampleRate:

  245.         return "effSetBlockSizeAndSampleRate";

  246. #endif

  247.     case effSetBypass:

  248.         return "effSetBypass";

  249.     case effGetEffectName:

  250.         return "effGetEffectName";

  251. #if ! VST_FORCE_DEPRECATED

  252.     case effGetErrorText:

  253.         return "effGetErrorText";

  254. #endif

  255.     case effGetVendorString:

  256.         return "effGetVendorString";

  257.     case effGetProductString:

  258.         return "effGetProductString";

  259.     case effGetVendorVersion:

  260.         return "effGetVendorVersion";

  261.     case effVendorSpecific:

  262.         return "effVendorSpecific";

  263.     case effCanDo:

  264.         return "effCanDo";

  265.     case effGetTailSize:

  266.         return "effGetTailSize";

  267. #if ! VST_FORCE_DEPRECATED

  268.     case effIdle:

  269.         return "effIdle";

  270.     case effGetIcon:

  271.         return "effGetIcon";

  272.     case effSetViewPosition:

  273.         return "effSetViewPosition";

  274. #endif

  275.     case effGetParameterProperties:

  276.         return "effGetParameterProperties";

  277. #if ! VST_FORCE_DEPRECATED

  278.     case effKeysRequired:

  279.         return "effKeysRequired";

  280. #endif

  281.     case effGetVstVersion:

  282.         return "effGetVstVersion";

  283.     case effEditKeyDown:

  284.         return "effEditKeyDown";

  285.     case effEditKeyUp:

  286.         return "effEditKeyUp";

  287.     case effSetEditKnobMode:

  288.         return "effSetEditKnobMode";

  289.     case effGetMidiProgramName:

  290.         return "effGetMidiProgramName";

  291.     case effGetCurrentMidiProgram:

  292.         return "effGetCurrentMidiProgram";

  293.     case effGetMidiProgramCategory:

  294.         return "effGetMidiProgramCategory";

  295.     case effHasMidiProgramsChanged:

  296.         return "effHasMidiProgramsChanged";

  297.     case effGetMidiKeyName:

  298.         return "effGetMidiKeyName";

  299.     case effBeginSetProgram:

  300.         return "effBeginSetProgram";

  301.     case effEndSetProgram:

  302.         return "effEndSetProgram";

  303.     case effGetSpeakerArrangement:

  304.         return "effGetSpeakerArrangement";

  305.     case effShellGetNextPlugin:

  306.         return "effShellGetNextPlugin";

  307.     case effStartProcess:

  308.         return "effStartProcess";

  309.     case effStopProcess:

  310.         return "effStopProcess";

  311.     case effSetTotalSampleToProcess:

  312.         return "effSetTotalSampleToProcess";

  313.     case effSetPanLaw:

  314.         return "effSetPanLaw";

  315.     case effBeginLoadBank:

  316.         return "effBeginLoadBank";

  317.     case effBeginLoadProgram:

  318.         return "effBeginLoadProgram";

  319.     case effSetProcessPrecision:

  320.         return "effSetProcessPrecision";

  321.     case effGetNumMidiInputChannels:

  322.         return "effGetNumMidiInputChannels";

  323.     case effGetNumMidiOutputChannels:

  324.         return "effGetNumMidiOutputChannels";

  325.     default:

  326.         return "unknown";

  327.     }

  328. }

  329. 

  330. // -------------------------------------------------

  331. // Convert Host/Master opcode to string

  332. 

  333. static inline

  334. const char* vstMasterOpcode2str(const int32_t opcode)

  335. {

  336.     switch (opcode)

  337.     {

  338.     case audioMasterAutomate:

  339.         return "audioMasterAutomate";

  340.     case audioMasterVersion:

  341.         return "audioMasterVersion";

  342.     case audioMasterCurrentId:

  343.         return "audioMasterCurrentId";

  344.     case audioMasterIdle:

  345.         return "audioMasterIdle";

  346. #if ! VST_FORCE_DEPRECATED

  347.     case audioMasterPinConnected:

  348.         return "audioMasterPinConnected";

  349.     case audioMasterWantMidi:

  350.         return "audioMasterWantMidi";

  351. #endif

  352.     case audioMasterGetTime:

  353.         return "audioMasterGetTime";

  354.     case audioMasterProcessEvents:

  355.         return "audioMasterProcessEvents";

  356. #if ! VST_FORCE_DEPRECATED

  357.     case audioMasterSetTime:

  358.         return "audioMasterSetTime";

  359.     case audioMasterTempoAt:

  360.         return "audioMasterTempoAt";

  361.     case audioMasterGetNumAutomatableParameters:

  362.         return "audioMasterGetNumAutomatableParameters";

  363.     case audioMasterGetParameterQuantization:

  364.         return "audioMasterGetParameterQuantization";

  365. #endif

  366.     case audioMasterIOChanged:

  367.         return "audioMasterIOChanged";

  368. #if ! VST_FORCE_DEPRECATED

  369.     case audioMasterNeedIdle:

  370.         return "audioMasterNeedIdle";

  371. #endif

  372.     case audioMasterSizeWindow:

  373.         return "audioMasterSizeWindow";

  374.     case audioMasterGetSampleRate:

  375.         return "audioMasterGetSampleRate";

  376.     case audioMasterGetBlockSize:

  377.         return "audioMasterGetBlockSize";

  378.     case audioMasterGetInputLatency:

  379.         return "audioMasterGetInputLatency";

  380.     case audioMasterGetOutputLatency:

  381.         return "audioMasterGetOutputLatency";

  382. #if ! VST_FORCE_DEPRECATED

  383.     case audioMasterGetPreviousPlug:

  384.         return "audioMasterGetPreviousPlug";

  385.     case audioMasterGetNextPlug:

  386.         return "audioMasterGetNextPlug";

  387.     case audioMasterWillReplaceOrAccumulate:

  388.         return "audioMasterWillReplaceOrAccumulate";

  389. #endif

  390.     case audioMasterGetCurrentProcessLevel:

  391.         return "audioMasterGetCurrentProcessLevel";

  392.     case audioMasterGetAutomationState:

  393.         return "audioMasterGetAutomationState";

  394.     case audioMasterOfflineStart:

  395.         return "audioMasterOfflineStart";

  396.     case audioMasterOfflineRead:

  397.         return "audioMasterOfflineRead";

  398.     case audioMasterOfflineWrite:

  399.         return "audioMasterOfflineWrite";

  400.     case audioMasterOfflineGetCurrentPass:

  401.         return "audioMasterOfflineGetCurrentPass";

  402.     case audioMasterOfflineGetCurrentMetaPass:

  403.         return "audioMasterOfflineGetCurrentMetaPass";

  404. #if ! VST_FORCE_DEPRECATED

  405.     case audioMasterSetOutputSampleRate:

  406.         return "audioMasterSetOutputSampleRate";

  407.     case audioMasterGetOutputSpeakerArrangement:

  408.         return "audioMasterGetOutputSpeakerArrangement";

  409. #endif

  410.     case audioMasterGetVendorString:

  411.         return "audioMasterGetVendorString";

  412.     case audioMasterGetProductString:

  413.         return "audioMasterGetProductString";

  414.     case audioMasterGetVendorVersion:

  415.         return "audioMasterGetVendorVersion";

  416.     case audioMasterVendorSpecific:

  417.         return "audioMasterVendorSpecific";

  418. #if ! VST_FORCE_DEPRECATED

  419.     case audioMasterSetIcon:

  420.         return "audioMasterSetIcon";

  421. #endif

  422.     case audioMasterCanDo:

  423.         return "audioMasterCanDo";

  424.     case audioMasterGetLanguage:

  425.         return "audioMasterGetLanguage";

  426. #if ! VST_FORCE_DEPRECATED

  427.     case audioMasterOpenWindow:

  428.         return "audioMasterOpenWindow";

  429.     case audioMasterCloseWindow:

  430.         return "audioMasterCloseWindow";

  431. #endif

  432.     case audioMasterGetDirectory:

  433.         return "audioMasterGetDirectory";

  434.     case audioMasterUpdateDisplay:

  435.         return "audioMasterUpdateDisplay";

  436.     case audioMasterBeginEdit:

  437.         return "audioMasterBeginEdit";

  438.     case audioMasterEndEdit:

  439.         return "audioMasterEndEdit";

  440.     case audioMasterOpenFileSelector:

  441.         return "audioMasterOpenFileSelector";

  442.     case audioMasterCloseFileSelector:

  443.         return "audioMasterCloseFileSelector";

  444. #if ! VST_FORCE_DEPRECATED

  445.     case audioMasterEditFile:

  446.         return "audioMasterEditFile";

  447.     case audioMasterGetChunkFile:

  448.         return "audioMasterGetChunkFile";

  449.     case audioMasterGetInputSpeakerArrangement:

  450.         return "audioMasterGetInputSpeakerArrangement";

  451. #endif

  452.     default:

  453.         return "unknown";

  454.     }

  455. }

  456. 

  457. // -------------------------------------------------

  458. 

  459. #endif // __CARLA_VST_UTILS_HPP__