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java.lang.Objectorg.xiph.speex.AudioFileWriter
org.xiph.speex.OggSpeexWriter
public class OggSpeexWriter
Ogg Speex Writer
Field Summary | |
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private int |
channels
Defines the number of channels of the audio input (1=mono, 2=stereo). |
private byte[] |
dataBuffer
Data buffer |
private int |
dataBufferPtr
Pointer within the Data buffer |
private long |
granulepos
Absolute granule position (the number of audio samples from beginning of file to end of Ogg Packet). |
private byte[] |
headerBuffer
Header buffer |
private int |
headerBufferPtr
Pointer within the Header buffer |
private int |
mode
Defines the encoder mode (0=NB, 1=WB and 2-UWB). |
private int |
nframes
Defines the number of frames per speex packet. |
private java.io.OutputStream |
out
The OutputStream |
private int |
packetCount
Speex packet count within an Ogg Page |
static int |
PACKETS_PER_OGG_PAGE
Number of packets in an Ogg page (must be less than 255) |
private int |
pageCount
Ogg Page count |
private int |
sampleRate
Defines the sampling rate of the audio input. |
private int |
size
|
private int |
streamSerialNumber
Ogg Stream Serial Number |
private boolean |
vbr
Defines whether or not to use VBR (Variable Bit Rate). |
Constructor Summary | |
---|---|
OggSpeexWriter()
Builds an Ogg Speex Writer. |
|
OggSpeexWriter(int mode,
int sampleRate,
int channels,
int nframes,
boolean vbr)
Builds an Ogg Speex Writer. |
Method Summary | |
---|---|
void |
close()
Closes the output file. |
private void |
flush(boolean eos)
Flush the Ogg page out of the buffers into the file. |
void |
open(java.io.File file)
Open the output file. |
void |
open(java.lang.String filename)
Open the output file. |
private void |
setFormat(int mode,
int sampleRate,
int channels,
int nframes,
boolean vbr)
Sets the output format. |
void |
setSerialNumber(int serialNumber)
Sets the Stream Serial Number. |
void |
writeHeader(java.lang.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 org.xiph.speex.AudioFileWriter |
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buildOggPageHeader, buildSpeexComment, buildSpeexHeader, writeInt, writeInt, writeInt, writeLong, writeLong, writeOggPageHeader, writeShort, writeShort, writeShort, writeSpeexComment, writeSpeexHeader, writeString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final int PACKETS_PER_OGG_PAGE
private java.io.OutputStream out
private int mode
private int sampleRate
private int channels
private int nframes
private boolean vbr
private int size
private int streamSerialNumber
private byte[] dataBuffer
private int dataBufferPtr
private byte[] headerBuffer
private int headerBufferPtr
private int pageCount
private int packetCount
private long granulepos
Constructor Detail |
---|
public OggSpeexWriter()
public OggSpeexWriter(int mode, int sampleRate, int channels, int nframes, boolean vbr)
mode
- the mode of the encoder (0=NB, 1=WB, 2=UWB).sampleRate
- the number of samples per second.channels
- the number of audio channels (1=mono, 2=stereo, ...).nframes
- the number of frames per speex packet.vbr
- Method Detail |
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private void setFormat(int mode, int sampleRate, int channels, int nframes, boolean vbr)
mode
- the mode of the encoder (0=NB, 1=WB, 2=UWB).sampleRate
- the number of samples per second.channels
- the number of audio channels (1=mono, 2=stereo, ...).nframes
- the number of frames per speex packet.vbr
- public void setSerialNumber(int serialNumber)
serialNumber
- public void close() throws java.io.IOException
close
in class AudioFileWriter
java.io.IOException
- if there was an exception closing the Audio Writer.public void open(java.io.File file) throws java.io.IOException
open
in class AudioFileWriter
file
- - file to open.
java.io.IOException
- if there was an exception opening the Audio Writer.public void open(java.lang.String filename) throws java.io.IOException
open
in class AudioFileWriter
filename
- - file to open.
java.io.IOException
- if there was an exception opening the Audio Writer.public void writeHeader(java.lang.String comment) throws java.io.IOException
writeHeader
in class AudioFileWriter
comment
- description to be included in the header.
java.io.IOException
public void writePacket(byte[] data, int offset, int len) throws java.io.IOException
writePacket
in class AudioFileWriter
data
- - audio data.offset
- - the offset from which to start reading the data.len
- - the length of data to read.
java.io.IOException
private void flush(boolean eos) throws java.io.IOException
eos
- - end of stream
java.io.IOException
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