Class RawWriter

java.lang.Object

javaforce.codec.speex.AudioFileWriter

javaforce.codec.speex.RawWriter

public class RawWriter
extends AudioFileWriter

Raw Audio File Writer.

Version:

$Revision$

Author:

Marc Gimpel, Wimba S.A. ([email protected])

Constructor Summary

Constructors

Constructor	Description
RawWriter()

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the output file.
void	open(File file)	Open the output file.
void	open(String filename)	Open the output file.
void	writeHeader(String comment)	Writes the header pages that start the Ogg Speex file.
void	writePacket(byte[] data, int offset, int len)	Writes a packet of audio.

Methods inherited from class AudioFileWriter

buildOggPageHeader, buildSpeexComment, buildSpeexHeader, writeInt, writeInt, writeInt, writeLong, writeLong, writeOggPageHeader, writeShort, writeShort, writeShort, writeSpeexComment, writeSpeexHeader, writeString

Modifier and Type	Method	Description
static byte[]	buildOggPageHeader(int headerType, long granulepos, int streamSerialNumber, int pageCount, int packetCount, byte[] packetSizes)	Builds and returns an Ogg Page Header.
static byte[]	buildSpeexComment(String comment)	Builds and returns a Speex Comment.
static byte[]	buildSpeexHeader(int sampleRate, int mode, int channels, boolean vbr, int nframes)	Builds a Speex Header.
static void	writeInt(byte[] data, int offset, int v)	Writes a Little-endian int.
static void	writeInt(DataOutput out, int v)	Writes a Little-endian int.
static void	writeInt(OutputStream os, int v)	Writes a Little-endian int.
static void	writeLong(byte[] data, int offset, long v)	Writes a Little-endian long.
static void	writeLong(OutputStream os, long v)	Writes a Little-endian long.
static int	writeOggPageHeader(byte[] buf, int offset, int headerType, long granulepos, int streamSerialNumber, int pageCount, int packetCount, byte[] packetSizes)	Writes an Ogg Page Header to the given byte array.
static void	writeShort(byte[] data, int offset, int v)	Writes a Little-endian short.
static void	writeShort(DataOutput out, short v)	Writes a Little-endian short.
static void	writeShort(OutputStream os, short v)	Writes a Little-endian short.
static int	writeSpeexComment(byte[] buf, int offset, String comment)	Writes a Speex Comment to the given byte array.
static int	writeSpeexHeader(byte[] buf, int offset, int sampleRate, int mode, int channels, boolean vbr, int nframes)	Writes a Speex Header to the given byte array.
static void	writeString(byte[] data, int offset, String v)	Writes a String.

Methods inherited from class Object

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

Constructor Details

RawWriter

public RawWriter()

Method Details

close

public void close()
           throws IOException

Closes the output file.

Specified by:

close in class AudioFileWriter

Throws:

IOException - if there was an exception closing the Audio Writer.

open

public void open(File file)
          throws IOException

Open the output file.

Specified by:

open in class AudioFileWriter

Parameters:

file - - file to open.

Throws:

IOException - if there was an exception opening the Audio Writer.

open

public void open(String filename)
          throws IOException

Open the output file.

Specified by:

open in class AudioFileWriter

Parameters:

filename - - file to open.

Throws:

IOException - if there was an exception opening the Audio Writer.

writeHeader

public void writeHeader(String comment)
                 throws IOException

Writes the header pages that start the Ogg Speex file. Prepares file for data to be written.

Specified by:

writeHeader in class AudioFileWriter

Parameters:

comment - description to be included in the header.

Throws:

IOException

writePacket

public void writePacket(byte[] data,
 int offset,
 int len)
                 throws IOException

Writes a packet of audio.

Specified by:

writePacket in class AudioFileWriter

Parameters:

data - audio data

offset - the offset from which to start reading the data.

len - the length of data to read.

Throws:

IOException