Class QTFFImageInputStream

java.lang.Object

javax.imageio.stream.ImageInputStreamImpl

org.monte.media.io.ImageInputStreamImpl2

org.monte.media.io.FilterImageInputStream

org.monte.media.quicktime.QTFFImageInputStream

All Implemented Interfaces:

Closeable, DataInput, AutoCloseable, ImageInputStream

public class QTFFImageInputStream
extends FilterImageInputStream

QuickTimeImageInputStream.

Author:

Werner Randelshofer

Field Summary

Fields

Modifier and Type	Field	Description
protected static final long	MAC_TIMESTAMP_EPOCH

Fields inherited from class org.monte.media.io.FilterImageInputStream

in

Fields inherited from class org.monte.media.io.ImageInputStreamImpl2

byteBuf

Fields inherited from class javax.imageio.stream.ImageInputStreamImpl

bitOffset, byteOrder, flushedPos, streamPos

Constructor Summary

Constructors

Constructor	Description
QTFFImageInputStream(ImageInputStream in)

Method Summary

Modifier and Type	Method	Description
double	readFixed16D16()	Reads 32-bit fixed-point number divided as 16.16.
double	readFixed2D30()	Reads 32-bit fixed-point number divided as 2.30.
double	readFixed8D8()	Reads 16-bit fixed-point number divided as 8.8.
Date	readMacTimestamp()	Reads a 32-bit Mac timestamp (seconds since 1902).
String	readPString()
String	readPString(int fixedSize)	Reads a Pascal String which is padded to a fixed size.
String	readType()
int	readUnsignedBCD2()
int	readUnsignedBCD4()

Methods inherited from class org.monte.media.io.FilterImageInputStream

close, flushBefore, getStreamPosition, isCached, isCachedFile, isCachedMemory, length, read, read, seek, skipBytes, skipBytes

Methods inherited from class org.monte.media.io.ImageInputStreamImpl2

readInt, readShort

Methods inherited from class javax.imageio.stream.ImageInputStreamImpl

checkClosed, finalize, flush, getBitOffset, getByteOrder, getFlushedPosition, mark, read, readBit, readBits, readBoolean, readByte, readBytes, readChar, readDouble, readFloat, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readLine, readLong, readUnsignedByte, readUnsignedInt, readUnsignedShort, readUTF, reset, setBitOffset, setByteOrder

Methods inherited from class java.lang.Object

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

Field Details

MAC_TIMESTAMP_EPOCH

protected static final long MAC_TIMESTAMP_EPOCH

Constructor Details

QTFFImageInputStream

public QTFFImageInputStream(ImageInputStream in)

Method Details

readMacTimestamp

public Date readMacTimestamp()
                      throws IOException

Reads a 32-bit Mac timestamp (seconds since 1902).

Returns:

the date corresponding to the Mac timestamp

Throws:

IOException - if an I/O error occurs

readFixed16D16

public double readFixed16D16()
                      throws IOException

Reads 32-bit fixed-point number divided as 16.16.

Throws:

IOException

readFixed2D30

public double readFixed2D30()
                     throws IOException

Reads 32-bit fixed-point number divided as 2.30.

Throws:

IOException

readFixed8D8

public double readFixed8D8()
                    throws IOException

Reads 16-bit fixed-point number divided as 8.8.

Throws:

IOException

readType

public String readType()
                throws IOException

Throws:

IOException

readPString

public String readPString()
                   throws IOException

Throws:

IOException

readPString

public String readPString(int fixedSize)
                   throws IOException

Reads a Pascal String which is padded to a fixed size.

Throws:

IOException

readUnsignedBCD4

public int readUnsignedBCD4()
                     throws IOException

Throws:

IOException

readUnsignedBCD2

public int readUnsignedBCD2()
                     throws IOException

Throws:

IOException