mediaframe.mpeg1
Class DataFrame

java.lang.Object
  |
  +--mediaframe.mpeg1.DataFrame

Direct Known Subclasses:

AudioFrame, VideoFrame

public class DataFrame

extends java.lang.Object

The DataFrame class represents one frame of video or audio data. It contains the link to the first DataBlock with movie's data.

Field Summary

protected boolean	_eof True, if the end of movie's file has been reached.
protected long	_time_stamp The current time stamp of the frame.
protected int	_type The type of the data frame.
static int	B_FRAME B video frame type.
protected int	file_position The file position of the frame.
private DataBlock	firstDataBlock The first DataBlock in the list of frame's data blocks.
static int	GOP_START GOP_START (start of group of pictutes) header frame type.
static int	I_FRAME I video frame type.
static long	MASK 0xFFFFFFFF (4 bytes) mask for the input data.
static int	P_FRAME P video frame type.
static int	SEQ_START SEQ_START (start of sequence) header frame type.
int	size The size of this frame in bytes.
static int	TYPE_AUDIO Audio frame type.

Constructor Summary

DataFrame(long time, int file_position)
Constructs an empty DataFrame with the specified time stamp and file position.

Method Summary

int	getFilePosition() Gets the file position of the frame.
DataBlock	getFirstDataBlock() Gets the first DataBlock in the list of frame's data blocks.
long	getTimeStamp() Gets the time stamp of the frame.
int	getType() Gets the type of the frame.
void	setType(int type) Sets the type of the frame.

Methods inherited from class java.lang.Object

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

Field Detail

I_FRAME

public static final int I_FRAME

I video frame type.

See Also:

Constant Field Values

P_FRAME

public static final int P_FRAME

P video frame type.

See Also:

Constant Field Values

B_FRAME

public static final int B_FRAME

B video frame type.

See Also:

Constant Field Values

TYPE_AUDIO

public static final int TYPE_AUDIO

Audio frame type.

See Also:

Constant Field Values

SEQ_START

public static final int SEQ_START

SEQ_START (start of sequence) header frame type.

See Also:

Constant Field Values

GOP_START

public static final int GOP_START

GOP_START (start of group of pictutes) header frame type.

See Also:

Constant Field Values

MASK

public static final long MASK

0xFFFFFFFF (4 bytes) mask for the input data.

See Also:

Constant Field Values

_type

protected int _type

The type of the data frame.

firstDataBlock

private DataBlock firstDataBlock

The first DataBlock in the list of frame's data blocks.

_time_stamp

protected long _time_stamp

The current time stamp of the frame.

file_position

protected int file_position

The file position of the frame.

size

public int size

The size of this frame in bytes.

_eof

protected boolean _eof

True, if the end of movie's file has been reached.

Constructor Detail

DataFrame

public DataFrame(long time,
                 int file_position)

Constructs an empty DataFrame with the specified time stamp and file position.

Parameters:

time - the time stamp of the frame.

file_position - the file position of the frame.

Method Detail

getType

public int getType()

Gets the type of the frame.

Returns:

the type of the frame.

setType

public void setType(int type)

Sets the type of the frame.

Parameters:

type - the type to set.

getFirstDataBlock

public DataBlock getFirstDataBlock()

Gets the first DataBlock in the list of frame's data blocks.

Returns:

the first DataBlock in the list of frame's data blocks.

getTimeStamp

public long getTimeStamp()

Gets the time stamp of the frame.

Returns:

the time stamp of the frame.

getFilePosition

public int getFilePosition()

Gets the file position of the frame.

Returns:

the file position of the frame.