org.monte.media.quicktime
Class QuickTimeInputStream

java.lang.Object
  org.monte.media.quicktime.AbstractQuickTimeStream
      org.monte.media.quicktime.QuickTimeInputStream

Direct Known Subclasses:

QuickTimeReader

public class QuickTimeInputStream
extends AbstractQuickTimeStream

Provides low-level support for reading encoded audio and video samples from a QuickTime file.

Version:

$Id: QuickTimeInputStream.java 187 2012-03-28 11:49:30Z werner $

Author:

Werner Randelshofer

Nested Class Summary

Nested classes/interfaces inherited from class org.monte.media.quicktime.AbstractQuickTimeStream

AbstractQuickTimeStream.Atom, AbstractQuickTimeStream.AudioTrack, AbstractQuickTimeStream.Chunk, AbstractQuickTimeStream.CompositeAtom, AbstractQuickTimeStream.DataAtom, AbstractQuickTimeStream.Edit, AbstractQuickTimeStream.Group, AbstractQuickTimeStream.Sample, AbstractQuickTimeStream.SampleSizeGroup, AbstractQuickTimeStream.States, AbstractQuickTimeStream.TimeToSampleGroup, AbstractQuickTimeStream.Track, AbstractQuickTimeStream.VideoTrack, AbstractQuickTimeStream.WideDataAtom

Field Summary

protected javax.imageio.stream.ImageInputStream

in The image input stream.

Fields inherited from class org.monte.media.quicktime.AbstractQuickTimeStream

creationTime, mdatAtom, mdatOffset, modificationTime, moovAtom, movieMatrix, movieTimeScale, out, state, streamOffset, tracks

Constructor Summary

QuickTimeInputStream(java.io.File file)
Creates a new instance.

QuickTimeInputStream(javax.imageio.stream.ImageInputStream in)
Creates a new instance.

Method Summary

void	close()
protected void	ensureRealized() Ensures that all meta-data has been read from the file.
long	getMediaDuration(int track) Returns the media duration of a track in the media's time scale.
long	getMediaTimeScale(int track) Returns the time scale of the media in a track.
long	getMovieDuration()
long	getMovieTimeScale() Returns the time scale of the movie.
int	getTrackCount()

Methods inherited from class org.monte.media.quicktime.AbstractQuickTimeStream

getRelativeStreamPosition, intToType, seekRelative, typeToInt

Methods inherited from class java.lang.Object

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

Field Detail

in

protected final javax.imageio.stream.ImageInputStream in

The image input stream.

Constructor Detail

QuickTimeInputStream

public QuickTimeInputStream(java.io.File file)
                     throws java.io.IOException

Creates a new instance.

Parameters:

file - the input file

Throws:

java.io.IOException

QuickTimeInputStream

public QuickTimeInputStream(javax.imageio.stream.ImageInputStream in)
                     throws java.io.IOException

Creates a new instance.

Parameters:

in - the input stream.

Throws:

java.io.IOException

Method Detail

getTrackCount

public int getTrackCount()
                  throws java.io.IOException

Throws:

java.io.IOException

getMovieDuration

public long getMovieDuration()
                      throws java.io.IOException

Throws:

java.io.IOException

getMovieTimeScale

public long getMovieTimeScale()
                       throws java.io.IOException

Returns the time scale of the movie.

The movie time scale is used for editing tracks. Such as for specifying the start time of a track.

Returns:

time scale

Throws:

java.io.IOException

See Also:

#setMovieTimeScale(long)

getMediaTimeScale

public long getMediaTimeScale(int track)
                       throws java.io.IOException

Returns the time scale of the media in a track.

The media time scale is used for specifying the duration of samples in a track.

Parameters:

track - Track index.

Returns:

time scale

Throws:

java.io.IOException

getMediaDuration

public long getMediaDuration(int track)
                      throws java.io.IOException

Returns the media duration of a track in the media's time scale.

Parameters:

track - Track index.

Returns:

media duration

Throws:

java.io.IOException

ensureRealized

protected void ensureRealized()
                       throws java.io.IOException

Ensures that all meta-data has been read from the file.

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException