136 lines
4.0 KiB
C
136 lines
4.0 KiB
C
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/* PdVst v0.0.2 - VST - Pd bridging plugin
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** Copyright (C) 2004 Joseph A. Sarlo
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**
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** This program is free software; you can redistribute it and/orsig
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** modify it under the terms of the GNU General Public License
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** as published by the Free Software Foundation; either version 2
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** 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
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** GNU 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 License
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** along with this program; if not, write to the Free Software
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** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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**
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** jsarlo@ucsd.edu
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*/
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#ifndef __pdvstTransfer_H
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#define __pdvstTransfer_H
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#include <stdio.h>
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#define VSTMIDIOUTENABLE
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#define MAXCHANNELS 16
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#define MAXPARAMETERS 128
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#define MAXBLOCKSIZE 256
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#define MAXSTRINGSIZE 4096
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#define MAXMIDIQUEUESIZE 1024
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//#ifdef VSTMIDIOUTENABLE
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#define MAXMIDIOUTQUEUESIZE 1024
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//#endif // VSTMIDIOUTENABLE
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typedef enum _pdvstParameterDataType
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{
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FLOAT_TYPE,
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STRING_TYPE
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} pdvstParameterDataType;
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typedef enum _pdvstParameterState
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{
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PD_SEND,
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PD_RECEIVE
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} pdvstParameterState;
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typedef enum _pdvstMidiMessageType
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{
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NOTE_OFF,
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NOTE_ON,
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KEY_PRESSURE,
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CONTROLLER_CHANGE,
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PROGRAM_CHANGE,
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CHANNEL_PRESSURE,
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PITCH_BEND,
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OTHER
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} pdvstMidiMessageType;
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typedef union _pdvstParameterData
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{
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float floatData;
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char stringData[MAXSTRINGSIZE];
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} pdvstParameterData;
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typedef struct _pdvstParameter
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{
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int updated;
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pdvstParameterDataType type;
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pdvstParameterData value;
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pdvstParameterState direction;
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} pdvstParameter;
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typedef struct _pdvstMidiMessage
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{
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pdvstMidiMessageType messageType;
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int channelNumber;
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char statusByte;
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char dataByte1;
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char dataByte2;
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} pdvstMidiMessage;
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typedef struct _vstTimeInfo
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{
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int updated;
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//-------------------------------------------------------------------------------------------------------
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double samplePos; ///< current Position in audio samples (always valid)
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double sampleRate; ///< current Sample Rate in Herz (always valid)
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double nanoSeconds; ///< System Time in nanoseconds (10^-9 second)
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double ppqPos; ///< Musical Position, in Quarter Note (1.0 equals 1 Quarter Note)
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double tempo; ///< current Tempo in BPM (Beats Per Minute)
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double barStartPos; ///< last Bar Start Position, in Quarter Note
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double cycleStartPos; ///< Cycle Start (left locator), in Quarter Note
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double cycleEndPos; ///< Cycle End (right locator), in Quarter Note
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int timeSigNumerator; ///< Time Signature Numerator (e.g. 3 for 3/4)
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int timeSigDenominator; ///< Time Signature Denominator (e.g. 4 for 3/4)
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int smpteOffset; ///< SMPTE offset (in SMPTE subframes (bits; 1/80 of a frame)). The current SMPTE position can be calculated using #samplePos, #sampleRate, and #smpteFrameRate.
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int smpteFrameRate; ///< @see VstSmpteFrameRate
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int samplesToNextClock; ///< MIDI Clock Resolution (24 Per Quarter Note), can be negative (nearest clock)
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int flags; ///< @see VstTimeInfoFlags
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//-------------------------------------------------------------------------------------------------------
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}pdvstTimeInfo;
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typedef struct _pdvstTransferData
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{
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int active;
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int syncToVst;
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int nChannels;
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int sampleRate;
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int blockSize;
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int nParameters;
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int midiQueueSize;
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int midiQueueUpdated;
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float samples[MAXCHANNELS][MAXBLOCKSIZE];
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pdvstParameter vstParameters[MAXPARAMETERS];
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pdvstMidiMessage midiQueue[MAXMIDIQUEUESIZE];
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pdvstParameter guiState;
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pdvstParameter plugName; // transmitted by host
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pdvstParameter guiName; // transmitted by pd : name of gui window to be embedded
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// #ifdef VSTMIDIOUTENABLE
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int midiOutQueueSize;
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int midiOutQueueUpdated;
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pdvstMidiMessage midiOutQueue[MAXMIDIOUTQUEUESIZE];
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// #endif // VSTMIDIOUTENABLE
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pdvstTimeInfo hostTimeInfo;
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} pdvstTransferData;
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#endif
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