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java.lang.Object org.jaudiotagger.audio.asf.io.ContentDescriptionReader
public class ContentDescriptionReader
Reads and interprets the data of a ASF chunk containing title, author...
ContentDescription
Field Summary | |
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private static GUID[] |
APPLYING
The GUID this reader applies to |
Constructor Summary | |
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protected |
ContentDescriptionReader()
Should not be used for now. |
Method Summary | |
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boolean |
canFail()
Tells whether the reader can fail to return a valid chunk. The current Use would be a modified version of StreamChunkReader ,
which is configured to only manage audio streams. |
GUID[] |
getApplyingIds()
Returns the GUIDs identifying the types of chunk, this reader will parse. |
private int[] |
getStringSizes(java.io.InputStream stream)
Returns the next 5 UINT16 values as an array. |
Chunk |
read(GUID guid,
java.io.InputStream stream,
long chunkStart)
Parses the chunk. |
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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private static final GUID[] APPLYING
Constructor Detail |
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protected ContentDescriptionReader()
Method Detail |
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public boolean canFail()
StreamChunkReader
,
which is configured to only manage audio streams. However, the primary
GUID for audio and video streams is the same. So if a stream shows itself
to be a video stream, the reader would return null
.
canFail
in interface ChunkReader
true
, if further analysis of the chunk can show,
that the reader is not applicable, despite the header GUID
identification told it can handle
the chunk.public GUID[] getApplyingIds()
getApplyingIds
in interface ChunkReader
private int[] getStringSizes(java.io.InputStream stream) throws java.io.IOException
stream
- stream to read from
java.io.IOException
- on I/O Errors.public Chunk read(GUID guid, java.io.InputStream stream, long chunkStart) throws java.io.IOException
read
in interface ChunkReader
guid
- the GUID of the chunks header, which is about to be read.stream
- source to read chunk from.GUID
is expected at the currents stream position.
The length of the chunk is about to follow.chunkStart
- the position in stream, the chunk starts.Chunk
).java.io.IOException
- On I/O Errors.
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