pdvst-0.52/vst-template/pdvstTransfer.h

139 lines
4.2 KiB
C

/* PdVst v0.0.2 - VST - Pd bridging plugin
** Copyright (C) 2004 Joseph A. Sarlo
**
** This program is free software; you can redistribute it and/orsig
** modify it under the terms of the GNU General Public License
** as published by the Free Software Foundation; either version 2
** of the License, or (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** jsarlo@ucsd.edu
*/
#ifndef __pdvstTransfer_H
#define __pdvstTransfer_H
#include <stdio.h>
#define VSTMIDIOUTENABLE
#define MAXCHANNELS 16
#define MAXPARAMETERS 128
#define MAXBLOCKSIZE 256
#define MAXSTRINGSIZE 4096
#define MAXMIDIQUEUESIZE 1024
//#ifdef VSTMIDIOUTENABLE
#define MAXMIDIOUTQUEUESIZE 1024
//#endif // VSTMIDIOUTENABLE
typedef enum _pdvstParameterDataType
{
FLOAT_TYPE,
STRING_TYPE
} pdvstParameterDataType;
typedef enum _pdvstParameterState
{
PD_SEND,
PD_RECEIVE
} pdvstParameterState;
typedef enum _pdvstMidiMessageType
{
NOTE_OFF,
NOTE_ON,
KEY_PRESSURE,
CONTROLLER_CHANGE,
PROGRAM_CHANGE,
CHANNEL_PRESSURE,
PITCH_BEND,
OTHER
} pdvstMidiMessageType;
typedef union _pdvstParameterData
{
float floatData;
char stringData[MAXSTRINGSIZE];
} pdvstParameterData;
typedef struct _pdvstParameter
{
int updated;
pdvstParameterDataType type;
pdvstParameterData value;
pdvstParameterState direction;
} pdvstParameter;
typedef struct _pdvstMidiMessage
{
pdvstMidiMessageType messageType;
int channelNumber;
char statusByte;
char dataByte1;
char dataByte2;
} pdvstMidiMessage;
typedef struct _vstTimeInfo
{
int updated;
//-------------------------------------------------------------------------------------------------------
double samplePos; ///< current Position in audio samples (always valid)
double sampleRate; ///< current Sample Rate in Herz (always valid)
double nanoSeconds; ///< System Time in nanoseconds (10^-9 second)
double ppqPos; ///< Musical Position, in Quarter Note (1.0 equals 1 Quarter Note)
double tempo; ///< current Tempo in BPM (Beats Per Minute)
double barStartPos; ///< last Bar Start Position, in Quarter Note
double cycleStartPos; ///< Cycle Start (left locator), in Quarter Note
double cycleEndPos; ///< Cycle End (right locator), in Quarter Note
int timeSigNumerator; ///< Time Signature Numerator (e.g. 3 for 3/4)
int timeSigDenominator; ///< Time Signature Denominator (e.g. 4 for 3/4)
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.
int smpteFrameRate; ///< @see VstSmpteFrameRate
int samplesToNextClock; ///< MIDI Clock Resolution (24 Per Quarter Note), can be negative (nearest clock)
int flags; ///< @see VstTimeInfoFlags
//-------------------------------------------------------------------------------------------------------
}pdvstTimeInfo;
typedef struct _pdvstTransferData
{
int active;
int syncToVst;
int nChannels;
int sampleRate;
int blockSize;
int nParameters;
int midiQueueSize;
int midiQueueUpdated;
float samples[MAXCHANNELS][MAXBLOCKSIZE];
pdvstParameter vstParameters[MAXPARAMETERS];
pdvstMidiMessage midiQueue[MAXMIDIQUEUESIZE];
pdvstParameter guiState;
pdvstParameter plugName; // transmitted by host
pdvstParameter datachunk; // get/set chunk from .fxp .fxb files
pdvstParameter progname2pd; // send program name to Pd
pdvstParameter prognumber2pd; // send program name to Pd
pdvstParameter guiName; // transmitted by pd : name of gui window to be embedded
// #ifdef VSTMIDIOUTENABLE
int midiOutQueueSize;
int midiOutQueueUpdated;
pdvstMidiMessage midiOutQueue[MAXMIDIOUTQUEUESIZE];
// #endif // VSTMIDIOUTENABLE
pdvstTimeInfo hostTimeInfo;
} pdvstTransferData;
#endif