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entagged.audioformats.asf.data
Class AudioStreamChunk

java.lang.Object
  extended by entagged.audioformats.asf.data.Chunk
      extended by entagged.audioformats.asf.data.StreamChunk
          extended by entagged.audioformats.asf.data.AudioStreamChunk

public class AudioStreamChunk
extends StreamChunk

This class represents the streamchunk describing an audio stream.

Field Summary
static String[][] CODEC_DESCRIPTIONS
          Stores the hex values of codec identifiers to their descriptions.
 
Fields inherited from class entagged.audioformats.asf.data.Chunk
chunkLength, guid, position
 
Constructor Summary
AudioStreamChunk(long pos, BigInteger chunkLen)
          Creates an instance.
 
Method Summary
 long getAverageBytesPerSec()
           
 int getBitsPerSample()
           
 long getBlockAlignment()
           
 long getChannelCount()
           
 byte[] getCodecData()
           
 String getCodecDescription()
          This method will take a look at compressionFormatand returns a String with its hex value and if known a textual note on what coded it represents.
 long getCompressionFormat()
           
 GUID getErrorConcealment()
           
 int getKbps()
          This method takes the value of getAverageBytesPerSec()and calculates the kbps out of it, by simply multiplying by 8 and dividing by 1000.
 long getSamplingRate()
           
 boolean isErrorConcealed()
          This mehtod returns whether the audio stream data is error concealed.
 String prettyPrint()
          (overridden)
 void setAverageBytesPerSec(long avgeBytesPerSec)
           
 void setBitsPerSample(int bps)
          Sets the bitsPerSample
 void setBlockAlignment(long align)
          Sets the blockAlignment.
 void setChannelCount(long channels)
           
 void setCodecData(byte[] codecSpecificData)
          Sets the codecData
 void setCompressionFormat(long cFormatCode)
           
 void setErrorConcealment(GUID errConc)
          This method sets the error concealment type which is given by two GUIDs.
 void setSamplingRate(long sampRate)
           
 
Methods inherited from class entagged.audioformats.asf.data.StreamChunk
getStreamNumber, getStreamSpecificDataSize, getTimeOffset, getTypeSpecificDataSize, isContentEncrypted, setContentEncrypted, setStreamNumber, setStreamSpecificDataSize, setTimeOffset, setTypeSpecificDataSize
 
Methods inherited from class entagged.audioformats.asf.data.Chunk
getChunckEnd, getChunkLength, getGuid, getPosition, toString
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

CODEC_DESCRIPTIONS

public static final String[][] CODEC_DESCRIPTIONS
Stores the hex values of codec identifiers to their descriptions.

Constructor Detail

AudioStreamChunk

public AudioStreamChunk(long pos,
                        BigInteger chunkLen)
Creates an instance.

Parameters:
pos - Position of current chunk within asf file or stream.
chunkLen - Length of the entire chunk (including guid and size)
Method Detail

getAverageBytesPerSec

public long getAverageBytesPerSec()
Returns:
Returns the averageBytesPerSec.

getBitsPerSample

public int getBitsPerSample()
Returns:
Returns the bitsPerSample.

getBlockAlignment

public long getBlockAlignment()
Returns:
Returns the blockAlignment.

getChannelCount

public long getChannelCount()
Returns:
Returns the channelCount.

getCodecData

public byte[] getCodecData()
Returns:
Returns the codecData.

getCodecDescription

public String getCodecDescription()
This method will take a look at compressionFormatand returns a String with its hex value and if known a textual note on what coded it represents.

Returns:
A description for the used codec.

getCompressionFormat

public long getCompressionFormat()
Returns:
Returns the compressionFormat.

getErrorConcealment

public GUID getErrorConcealment()
Returns:
Returns the errorConcealment.

getKbps

public int getKbps()
This method takes the value of getAverageBytesPerSec()and calculates the kbps out of it, by simply multiplying by 8 and dividing by 1000.

Returns:
amount of bits per second in kilo bits.

getSamplingRate

public long getSamplingRate()
Returns:
Returns the samplingRate.

isErrorConcealed

public boolean isErrorConcealed()
This mehtod returns whether the audio stream data is error concealed.
For now only interleaved concealment is known.

Returns:
true if error concealment is used.

prettyPrint

public String prettyPrint()
(overridden)

Overrides:
prettyPrint in class StreamChunk
Returns:
Information of current Chunk Object.
See Also:
StreamChunk.prettyPrint()

setAverageBytesPerSec

public void setAverageBytesPerSec(long avgeBytesPerSec)
Parameters:
avgeBytesPerSec - The averageBytesPerSec to set.

setBitsPerSample

public void setBitsPerSample(int bps)
Sets the bitsPerSample

Parameters:
bps -

setBlockAlignment

public void setBlockAlignment(long align)
Sets the blockAlignment.

Parameters:
align -

setChannelCount

public void setChannelCount(long channels)
Parameters:
channels - The channelCount to set.

setCodecData

public void setCodecData(byte[] codecSpecificData)
Sets the codecData

Parameters:
codecSpecificData -

setCompressionFormat

public void setCompressionFormat(long cFormatCode)
Parameters:
cFormatCode - The compressionFormat to set.

setErrorConcealment

public void setErrorConcealment(GUID errConc)
This method sets the error concealment type which is given by two GUIDs.

Parameters:
errConc - the type of error concealment the audio stream is stored as.

setSamplingRate

public void setSamplingRate(long sampRate)
Parameters:
sampRate - The samplingRate to set.
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