org.jcodec.containers.mp4.demuxer

Class MP4DemuxerTrack

java.lang.Object

org.jcodec.containers.mp4.demuxer.AbstractMP4DemuxerTrack

org.jcodec.containers.mp4.demuxer.MP4DemuxerTrack

All Implemented Interfaces:

DemuxerTrack, SeekableDemuxerTrack

Direct Known Subclasses:

CodecMP4DemuxerTrack

public class MP4DemuxerTrack
extends AbstractMP4DemuxerTrack

This class is part of JCodec ( www.jcodec.org ) This software is distributed under FreeBSD License Regular MP4 track containing frames

Author:

The JCodec project

Field Summary

Fields inherited from class org.jcodec.containers.mp4.demuxer.AbstractMP4DemuxerTrack

box, chunkOffsets, curFrame, duration, pts, sampleEntries, sampleToChunks, stcoInd, stscInd, sttsInd, sttsSubInd, timescale, timeToSamples

Constructor Summary

Constructors

Constructor and Description
MP4DemuxerTrack(MovieBox mov, TrakBox trak, SeekableByteChannel input)

Method Summary

Modifier and Type	Method and Description
long	getFrameCount()
MP4Packet	getNextFrame(ByteBuffer storage)
boolean	gotoSyncFrame(long frameNo) Goes to a a frame that's a sync frame (key frame) and is prior or at frame frameNo.
MP4Packet	nextFrame()
protected void	seekPointer(long frameNo)

Methods inherited from class org.jcodec.containers.mp4.demuxer.AbstractMP4DemuxerTrack

canSeek, convertPacket, getBox, getCurFrame, getDuration, getEdits, getFourcc, getMeta, getName, getNo, getSampleEntries, getTimescale, getType, gotoFrame, nextChunk, pts2Sample, readPacketData, seek, seekPts, shiftPts

Methods inherited from class java.lang.Object

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

Constructor Detail

MP4DemuxerTrack

public MP4DemuxerTrack(MovieBox mov,
                       TrakBox trak,
                       SeekableByteChannel input)

Method Detail

nextFrame

public MP4Packet nextFrame()
                    throws IOException

Throws:

IOException

getNextFrame

public MP4Packet getNextFrame(ByteBuffer storage)
                       throws IOException

Specified by:

getNextFrame in class AbstractMP4DemuxerTrack

Throws:

IOException

gotoSyncFrame

public boolean gotoSyncFrame(long frameNo)

Description copied from interface: SeekableDemuxerTrack

Goes to a a frame that's a sync frame (key frame) and is prior or at frame frameNo.

Parameters:

frameNo - Frame number, zero based, related to which a sync frame will be selected.

Returns:

If the operation was successful.

seekPointer

protected void seekPointer(long frameNo)

Specified by:

seekPointer in class AbstractMP4DemuxerTrack

getFrameCount

public long getFrameCount()

Specified by:

getFrameCount in class AbstractMP4DemuxerTrack