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https://github.com/LMMS/lmms.git
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301 lines
8.1 KiB
C++
301 lines
8.1 KiB
C++
/*
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* aeffectx.h - simple header to allow VeSTige compilation and eventually work
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*
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* Copyright (c) 2006 Javier Serrano Polo <jasp00/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef AEFFECTX_H
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#define AEFFECTX_H
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#include <stdint.h>
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#include <type_traits>
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// Calling convention
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#ifdef _WIN32
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#define VST_CALL_CONV __cdecl
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#else
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#define VST_CALL_CONV
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#endif
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template<typename T>
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constexpr int32_t CCONST(T a, T b, T c, T d)
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{
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static_assert(std::is_convertible<T,int32_t>::value, "int32 compatibility required.");
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return (
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static_cast<int32_t>(a) << 24 |
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static_cast<int32_t>(b) << 16 |
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static_cast<int32_t>(c) << 8 |
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static_cast<int32_t>(d) << 0);
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}
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constexpr int audioMasterAutomate = 0;
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constexpr int audioMasterVersion = 1;
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constexpr int audioMasterCurrentId = 2;
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constexpr int audioMasterIdle = 3;
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constexpr int audioMasterPinConnected = 4;
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// unsupported? 5
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constexpr int audioMasterWantMidi = 6;
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constexpr int audioMasterGetTime = 7;
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constexpr int audioMasterProcessEvents = 8;
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constexpr int audioMasterSetTime = 9;
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constexpr int audioMasterTempoAt = 10;
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constexpr int audioMasterGetNumAutomatableParameters = 11;
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constexpr int audioMasterGetParameterQuantization = 12;
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constexpr int audioMasterIOChanged = 13;
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constexpr int audioMasterNeedIdle = 14;
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constexpr int audioMasterSizeWindow = 15;
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constexpr int audioMasterGetSampleRate = 16;
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constexpr int audioMasterGetBlockSize = 17;
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constexpr int audioMasterGetInputLatency = 18;
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constexpr int audioMasterGetOutputLatency = 19;
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constexpr int audioMasterGetPreviousPlug = 20;
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constexpr int audioMasterGetNextPlug = 21;
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constexpr int audioMasterWillReplaceOrAccumulate = 22;
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constexpr int audioMasterGetCurrentProcessLevel = 23;
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constexpr int audioMasterGetAutomationState = 24;
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constexpr int audioMasterOfflineStart = 25;
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constexpr int audioMasterOfflineRead = 26;
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constexpr int audioMasterOfflineWrite = 27;
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constexpr int audioMasterOfflineGetCurrentPass = 28;
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constexpr int audioMasterOfflineGetCurrentMetaPass = 29;
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constexpr int audioMasterSetOutputSampleRate = 30;
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// unsupported? 31
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constexpr int audioMasterGetSpeakerArrangement = 31; // deprecated in 2.4?
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constexpr int audioMasterGetVendorString = 32;
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constexpr int audioMasterGetProductString = 33;
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constexpr int audioMasterGetVendorVersion = 34;
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constexpr int audioMasterVendorSpecific = 35;
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constexpr int audioMasterSetIcon = 36;
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constexpr int audioMasterCanDo = 37;
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constexpr int audioMasterGetLanguage = 38;
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constexpr int audioMasterOpenWindow = 39;
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constexpr int audioMasterCloseWindow = 40;
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constexpr int audioMasterGetDirectory = 41;
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constexpr int audioMasterUpdateDisplay = 42;
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constexpr int audioMasterBeginEdit = 43;
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constexpr int audioMasterEndEdit = 44;
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constexpr int audioMasterOpenFileSelector = 45;
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constexpr int audioMasterCloseFileSelector = 46; // currently unused
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constexpr int audioMasterEditFile = 47; // currently unused
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constexpr int audioMasterGetChunkFile = 48; // currently unused
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constexpr int audioMasterGetInputSpeakerArrangement = 49; // currently unused
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constexpr int effFlagsHasEditor = 1;
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constexpr int effFlagsCanReplacing = 1 << 4; // very likely
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constexpr int effFlagsIsSynth = 1 << 8; // currently unused
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constexpr int effOpen = 0;
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constexpr int effClose = 1; // currently unused
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constexpr int effSetProgram = 2; // currently unused
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constexpr int effGetProgram = 3; // currently unused
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constexpr int effGetProgramName = 5; // currently unused
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constexpr int effGetParamLabel = 6;
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constexpr int effGetParamDisplay = 7;
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constexpr int effGetParamName = 8; // currently unused
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constexpr int effSetSampleRate = 10;
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constexpr int effSetBlockSize = 11;
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constexpr int effMainsChanged = 12;
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constexpr int effEditGetRect = 13;
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constexpr int effEditOpen = 14;
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constexpr int effEditClose = 15;
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constexpr int effEditIdle = 19;
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constexpr int effEditTop = 20;
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constexpr int effSetChunk = 24;
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constexpr int effProcessEvents = 25;
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constexpr int effGetEffectName = 45;
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constexpr int effGetVendorString = 47;
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constexpr int effGetProductString = 48;
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constexpr int effGetVendorVersion = 49;
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constexpr int effCanDo = 51; // currently unused
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constexpr int effGetVstVersion = 58; // currently unused
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constexpr int kEffectMagic = CCONST( 'V', 's', 't', 'P' );
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constexpr int kVstLangEnglish = 1;
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constexpr int kVstMidiType = 1;
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constexpr int kVstTransportChanged = 1;
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constexpr int kVstTransportPlaying = 1 << 1;
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constexpr int kVstTransportCycleActive = 1 << 2;
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constexpr int kVstTransportRecording = 1 << 3; // currently unused
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constexpr int kVstPpqPosValid = 1 << 9;
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constexpr int kVstTempoValid = 1 << 10;
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constexpr int kVstBarsValid = 1 << 11;
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constexpr int kVstCyclePosValid = 1 << 12;
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constexpr int kVstTimeSigValid = 1 << 13;
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constexpr int kVstSmpteValid = 1 << 14; // currently unused
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constexpr int kVstClockValid = 1 << 15; // currently unused
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// currently unused
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constexpr int kVstSmpte24fps = 0;
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constexpr int kVstSmpte25fps = 1;
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constexpr int kVstSmpte2997fps = 2;
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constexpr int kVstSmpte30fps = 3;
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constexpr int kVstSmpte2997dfps = 4;
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constexpr int kVstSmpte30dfps = 5;
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constexpr int kVstSmpteFilm16mm = 6; // very likely
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constexpr int kVstSmpteFilm35mm = 7; // very likely
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constexpr int kVstSmpte239fps = 10;
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constexpr int kVstSmpte249fps = 11;
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constexpr int kVstSmpte599fps = 12;
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constexpr int kVstSmpte60fps = 13;
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class VstMidiEvent
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{
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public:
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// 00
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int32_t type;
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// 04
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int32_t byteSize;
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// 08
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int32_t deltaFrames;
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// 0c?
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int32_t flags;
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// 10?
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int32_t noteLength;
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// 14?
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int32_t noteOffset;
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// 18
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char midiData[4];
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// 1c?
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char detune;
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// 1d?
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char noteOffVelocity;
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// 1e?
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char reserved1;
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// 1f?
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char reserved2;
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} ;
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class VstEvent
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{
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char dump[sizeof( VstMidiEvent )];
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} ;
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class VstEvents
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{
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public:
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// 00
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int32_t numEvents;
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// 04
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void *reserved;
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// 08
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VstEvent* events[1];
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} ;
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class AEffect
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{
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public:
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// Never use virtual functions!!!
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// 00-03
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int32_t magic;
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// dispatcher 04-07
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intptr_t (VST_CALL_CONV * dispatcher)( AEffect * , int32_t , int32_t , intptr_t, void * , float );
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// process, quite sure 08-0b
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void (VST_CALL_CONV * process)( AEffect * , float * * , float * * , int32_t );
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// setParameter 0c-0f
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void (VST_CALL_CONV * setParameter)( AEffect * , int32_t , float );
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// getParameter 10-13
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float (VST_CALL_CONV * getParameter)( AEffect * , int32_t );
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// programs 14-17
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int32_t numPrograms;
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// Params 18-1b
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int32_t numParams;
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// Input 1c-1f
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int32_t numInputs;
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// Output 20-23
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int32_t numOutputs;
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// flags 24-27
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int32_t flags;
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// Fill somewhere 28-2b
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void *ptr1;
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void *ptr2;
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// Zeroes 2c-2f 30-33 34-37 38-3b
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char empty3[4 + 4 + 4];
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// 1.0f 3c-3f
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float unknown_float;
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// An object? pointer 40-43
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void *ptr3;
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// Zeroes 44-47
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void *user;
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// Id 48-4b
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int32_t uniqueID;
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// Don't know 4c-4f
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char unknown1[4];
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// processReplacing 50-53
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void (VST_CALL_CONV * processReplacing)( AEffect * , float * * , float * * , int );
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} ;
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class VstTimeInfo
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{
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public:
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// 00
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double samplePos;
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// 08
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double sampleRate;
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// unconfirmed 10
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double nanoSeconds;
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// 18
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double ppqPos;
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// 20
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double tempo;
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// 28
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double barStartPos;
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// 30
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double cycleStartPos;
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// 38
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double cycleEndPos;
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// 40
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int32_t timeSigNumerator;
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// 44
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int32_t timeSigDenominator;
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// 48 unused
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int32_t smpteOffset;
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// 4c unused
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int32_t smpteFrameRate;
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// 50? unused, where does this come from?
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int32_t samplesToNextClock;
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// 54
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int32_t flags;
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} ;
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using audioMasterCallback = intptr_t (VST_CALL_CONV*)(AEffect*, int32_t, int32_t, intptr_t, void*, float);
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#endif // AEFFECTX_H
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