FileDocCategorySizeDatePackage
FileHeaderReader.javaAPI DocJaudiotagger 2.0.43134Wed Mar 30 16:11:50 BST 2011org.jaudiotagger.audio.asf.io

FileHeaderReader

public class FileHeaderReader extends Object implements ChunkReader
Reads and interprets the data of the file header.
author
Christian Laireiter

(Omit source code)

Fields Summary
private static final org.jaudiotagger.audio.asf.data.GUID[]
APPLYING
The GUID this reader {@linkplain #getApplyingIds() applies to}
Constructors Summary
protected FileHeaderReader()
Should not be used for now.


               
      
        // NOTHING toDo
Methods Summary
public booleancanFail()
{@inheritDoc}

        return false;
public org.jaudiotagger.audio.asf.data.GUID[]getApplyingIds()
{@inheritDoc}

        return APPLYING.clone();
public org.jaudiotagger.audio.asf.data.Chunkread(org.jaudiotagger.audio.asf.data.GUID guid, java.io.InputStream stream, long chunkStart)
{@inheritDoc}

        final BigInteger chunkLen = Utils.readBig64(stream);
        // Skip client GUID.
        stream.skip(16);
        final BigInteger fileSize = Utils.readBig64(stream);
        // fileTime in 100 ns since midnight of 1st january 1601 GMT
        final BigInteger fileTime = Utils.readBig64(stream);

        final BigInteger packageCount = Utils.readBig64(stream);

        final BigInteger timeEndPos = Utils.readBig64(stream);
        final BigInteger duration = Utils.readBig64(stream);
        final BigInteger timeStartPos = Utils.readBig64(stream);

        final long flags = Utils.readUINT32(stream);

        final long minPkgSize = Utils.readUINT32(stream);
        final long maxPkgSize = Utils.readUINT32(stream);
        final long uncompressedFrameSize = Utils.readUINT32(stream);

        final FileHeader result = new FileHeader(chunkLen, fileSize, fileTime,
                packageCount, duration, timeStartPos, timeEndPos, flags,
                minPkgSize, maxPkgSize, uncompressedFrameSize);
        result.setPosition(chunkStart);
        return result;