org.mobicents.media.server.impl.resource.mediaplayer.mpeg
Class MovieHeaderBox

java.lang.Object
  org.mobicents.media.server.impl.resource.mediaplayer.mpeg.Box
      org.mobicents.media.server.impl.resource.mediaplayer.mpeg.FullBox
          org.mobicents.media.server.impl.resource.mediaplayer.mpeg.MovieHeaderBox

public class MovieHeaderBox
extends FullBox

8.2.2.1 Definition

• Box Type: �?mvhd’
• Container: MovieBox (�?moov’)
• Mandatory: Yes
• Quantity: Exactly one

This box defines overall information which is media-independent, and relevant to the entire presentation considered as a whole.

Author:

kulikov, amit bhayani

Field Summary

Fields inherited from class org.mobicents.media.server.impl.resource.mediaplayer.mpeg.Box

bytetoTypeMap

Constructor Summary

MovieHeaderBox(long size)

Method Summary

java.util.Date	getCreationTime() Gets the creation time of this presentation.
long	getDuration() Gets duration of this presentation.
int[]	getMatrix()
java.util.Date	getModificationTime() Gets the modification time of this presentation.
int	getNextTrackID() Gets identifier of next track to use.
double	getRate() Gets the preffered rate to play the presentation.
long	getTimeScale() Gets the time scale of this presentation.
double	getVolume() Gets the preffered volume to play the presentation.
protected int	load(java.io.DataInputStream fin) Loads Box from stream.

Methods inherited from class org.mobicents.media.server.impl.resource.mediaplayer.mpeg.FullBox

getFlags, getVersion, read64

Methods inherited from class org.mobicents.media.server.impl.resource.mediaplayer.mpeg.Box

comparebytes, getSize, getType, read, read16, read24, read32, readFixedPoint1616, readText, readType, readU32, readU64

Methods inherited from class java.lang.Object

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

Constructor Detail

MovieHeaderBox

public MovieHeaderBox(long size)

Method Detail

getCreationTime

public java.util.Date getCreationTime()

Gets the creation time of this presentation.

Returns:

creation time

getModificationTime

public java.util.Date getModificationTime()

Gets the modification time of this presentation.

Returns:

creation time

getTimeScale

public long getTimeScale()

Gets the time scale of this presentation.

Returns:

the number of time units that pass in one second. For example, a time coordinate system that measures time in sixtieths of a second has a time scale of 60.

getDuration

public long getDuration()

Gets duration of this presentation.

Returns:

an integer that declares length of the presentation (in the indicated timescale). This property is derived from the presentation�s tracks: the value of this field corresponds to the duration of the longest track in the presentation

getRate

public double getRate()

Gets the preffered rate to play the presentation.

Returns:

the rate value, value 1.0 is normal forward playback

getVolume

public double getVolume()

Gets the preffered volume to play the presentation.

Returns:

the rate value, value 1.0 is full volume

getMatrix

public int[] getMatrix()

getNextTrackID

public int getNextTrackID()

Gets identifier of next track to use.

Returns:

a non-zero integer that indicates a value to use for the track ID

load

protected int load(java.io.DataInputStream fin)
            throws java.io.IOException

Description copied from class: Box

Loads Box from stream.

Overrides:

load in class FullBox

Parameters:

fin - the stream to load box from

Returns:

the number of bytes readed from stream; *

Throws:

java.io.IOException - if some I/O error occured.