com.softsynth.midifile
Class MIDIFileOutput

java.lang.Object
  java.io.RandomAccessFile
      com.softsynth.midifile.MIDIFileOutput

All Implemented Interfaces:

java.io.Closeable, java.io.DataInput, java.io.DataOutput

public class MIDIFileOutput
extends java.io.RandomAccessFile

MIDI File Writer.
Write tracks and events to a file.

Author:

Phil Burk (C) 1999 SoftSynth.com

See Also:

MIDIFileInputStream

Constructor Summary

MIDIFileOutput(java.io.File file)

MIDIFileOutput(java.lang.String fileName)

Method Summary

void	finishTrack()
static void	main(java.lang.String[] args)
void	startTrack() Start chunk for next track.
void	writeEndOfTrack(int time) Every track must end with an EndOfTrack event.
void	writeEvent(int time, int command, int data1, int data2) Write duration and command followed by appropriate number of bytes to file.
void	writeHeader(int format, int numTracks, short division) Write standard MIDI File header.
void	writeMetaEvent(int time, int type, byte[] b) The duration, followed by 0xFF, followed by the type of MetaEvent, followed by the length of the array, followed by the array itself will be written to the file.
void	writeSysExEvent(int time, byte[] b) The duration, followed by 0xF0, followed by the length of the array, followed by the array itself will be written to the file.
void	writeSysExEventF7(int time, byte[] b) The duration, followed by 0xF7, followed by the length of the array, followed by the array itself will be written to the file.
void	writeTime(int time) Write time for an event.
void	writeVariableLengthQuantity(int val)

Methods inherited from class java.io.RandomAccessFile

close, getChannel, getFD, getFilePointer, length, read, read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, seek, setLength, skipBytes, write, write, write, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeDouble, writeFloat, writeInt, writeLong, writeShort, writeUTF

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MIDIFileOutput

public MIDIFileOutput(java.io.File file)
               throws java.io.IOException

Throws:

java.io.IOException

MIDIFileOutput

public MIDIFileOutput(java.lang.String fileName)
               throws java.io.IOException

Throws:

java.io.IOException

Method Detail

writeVariableLengthQuantity

public void writeVariableLengthQuantity(int val)
                                 throws java.io.IOException

Throws:

java.io.IOException

writeHeader

public void writeHeader(int format,
                        int numTracks,
                        short division)
                 throws java.io.IOException

Write standard MIDI File header.

Throws:

java.io.IOException

startTrack

public void startTrack()
                throws java.io.IOException

Start chunk for next track.

Throws:

java.io.IOException

writeEndOfTrack

public void writeEndOfTrack(int time)
                     throws java.io.IOException

Every track must end with an EndOfTrack event. Call this before finishTrack().

Throws:

java.io.IOException

finishTrack

public void finishTrack()
                 throws java.io.IOException

Throws:

java.io.IOException

writeTime

public void writeTime(int time)
               throws java.io.IOException

Write time for an event. The duration since the last event will be calculated and stored in the file as a variable length number.

Throws:

java.io.IOException

writeSysExEvent

public void writeSysExEvent(int time,
                            byte[] b)
                     throws java.io.IOException

The duration, followed by 0xF0, followed by the length of the array, followed by the array itself will be written to the file.

Throws:

java.io.IOException

writeSysExEventF7

public void writeSysExEventF7(int time,
                              byte[] b)
                       throws java.io.IOException

The duration, followed by 0xF7, followed by the length of the array, followed by the array itself will be written to the file.

Throws:

java.io.IOException

writeMetaEvent

public void writeMetaEvent(int time,
                           int type,
                           byte[] b)
                    throws java.io.IOException

The duration, followed by 0xFF, followed by the type of MetaEvent, followed by the length of the array, followed by the array itself will be written to the file.

Throws:

java.io.IOException

writeEvent

public void writeEvent(int time,
                       int command,
                       int data1,
                       int data2)
                throws java.io.IOException

Write duration and command followed by appropriate number of bytes to file. Data1 and Data2 will not be written if they are not needed.

Throws:

java.io.IOException

main

public static void main(java.lang.String[] args)