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 307 2013-01-06 11:06:05Z 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

Fields

Modifier and Type	Field and Description
protected ImageInputStream	in The image input stream.

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

creationTime, currentTime, mdatAtom, mdatOffset, modificationTime, moovAtom, movieMatrix, movieTimeScale, out, posterTime, preferredRate, preferredVolume, previewDuration, previewTime, selectionDuration, selectionTime, state, streamOffset, tracks

Constructor Summary

Constructors

Constructor and Description
QuickTimeInputStream(File file) Creates a new instance.
QuickTimeInputStream(ImageInputStream in) Creates a new instance.

Method Summary

Methods

Modifier and Type	Method and Description
void	close()
protected void	ensureRealized() Ensures that all meta-data has been read from the file.
Date	getCreationTime() Gets the creation time of the movie.
long	getCurrentTime() Gets the time value for current time position within the movie.
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.
Date	getModificationTime() Gets the modification time of the movie.
long	getMovieDuration()
long	getMovieTimeScale() Returns the time scale of the movie.
double[]	getMovieTransformationMatrix() Gets the transformation matrix of the entire movie.
long	getPosterTime() Gets the time value of the time of the movie poster.
double	getPreferredRate() Gets the preferred rate at which to play this movie.
double	getPreferredVolume() Gets the preferred volume of this movie’s sound.
long	getPreviewDuration() Gets the duration of the movie preview in movie time scale units.
long	getPreviewTime() Gets the time value in the movie at which the preview begins.
int	getTrackCount()
double[]	getTransformationMatrix(int track) Gets the transformation matrix of the specified track.

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 ImageInputStream in

The image input stream.

Constructor Detail

QuickTimeInputStream

public QuickTimeInputStream(File file)
                     throws IOException

Creates a new instance.

Parameters:

file - the input file

Throws:

IOException

QuickTimeInputStream

public QuickTimeInputStream(ImageInputStream in)
                     throws IOException

Creates a new instance.

Parameters:

in - the input stream.

Throws:

IOException

Method Detail

getTrackCount

public int getTrackCount()
                  throws IOException

Throws:

IOException

getMovieDuration

public long getMovieDuration()
                      throws IOException

Throws:

IOException

getCreationTime

public Date getCreationTime()
                     throws IOException

Gets the creation time of the movie.

Throws:

IOException

getModificationTime

public Date getModificationTime()
                         throws IOException

Gets the modification time of the movie.

Throws:

IOException

getPreferredRate

public double getPreferredRate()
                        throws IOException

Gets the preferred rate at which to play this movie. A value of 1.0 indicates normal rate.

Throws:

IOException

getPreferredVolume

public double getPreferredVolume()
                          throws IOException

Gets the preferred volume of this movie’s sound. A value of 1.0 indicates full volume.

Throws:

IOException

getCurrentTime

public long getCurrentTime()
                    throws IOException

Gets the time value for current time position within the movie.

Throws:

IOException

getPosterTime

public long getPosterTime()
                   throws IOException

Gets the time value of the time of the movie poster.

Throws:

IOException

getPreviewDuration

public long getPreviewDuration()
                        throws IOException

Gets the duration of the movie preview in movie time scale units.

Throws:

IOException

getPreviewTime

public long getPreviewTime()
                    throws IOException

Gets the time value in the movie at which the preview begins.

Throws:

IOException

getMovieTransformationMatrix

public double[] getMovieTransformationMatrix()
                                      throws IOException

Gets the transformation matrix of the entire movie.

Returns:

The transformation matrix.

Throws:

IOException

getMovieTimeScale

public long getMovieTimeScale()
                       throws 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:

IOException

getMediaTimeScale

public long getMediaTimeScale(int track)
                       throws 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:

IOException

getMediaDuration

public long getMediaDuration(int track)
                      throws IOException

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

Parameters:

track - Track index.

Returns:

media duration

Throws:

IOException

getTransformationMatrix

public double[] getTransformationMatrix(int track)
                                 throws IOException

Gets the transformation matrix of the specified track.

Parameters:

track - The track number.

Returns:

The transformation matrix.

Throws:

IOException

ensureRealized

protected void ensureRealized()
                       throws IOException

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

Throws:

IOException

close

public void close()
           throws IOException

Throws:

IOException