org.jcodec.codecs.h264

Class H264Decoder

java.lang.Object

org.jcodec.common.VideoDecoder

org.jcodec.codecs.h264.H264Decoder

public class H264Decoder
extends VideoDecoder

This class is part of JCodec ( www.jcodec.org ) This software is distributed under FreeBSD License MPEG 4 AVC ( H.264 ) Decoder Conforms to H.264 ( ISO/IEC 14496-10 ) specifications

Author:

The JCodec project

Constructor Summary

Constructors

Constructor and Description
H264Decoder()

Method Summary

Modifier and Type	Method and Description
void	addPps(List<ByteBuffer> ppsList)
void	addSps(List<ByteBuffer> spsList)
static Frame	createFrame(SeqParameterSet sps, byte[][] buffer, int frameNum, SliceType frameType, H264Utils.MvList2D mvs, Frame[][][] refsUsed, int POC)
static H264Decoder	createH264DecoderFromCodecPrivate(ByteBuffer codecPrivate) Constructs this decoder from a portion of a stream that contains AnnexB delimited (00 00 00 01) SPS/PPS NAL units.
Frame	decodeFrame(ByteBuffer data, byte[][] buffer) Decodes a video frame to an uncompressed picture in codec native colorspace
Frame	decodeFrameFromNals(List<ByteBuffer> nalUnits, byte[][] buffer)
VideoCodecMeta	getCodecMeta(ByteBuffer data)
static int	probe(ByteBuffer data)

Methods inherited from class org.jcodec.common.VideoDecoder

downscaled, getSameSizeBuffer

Methods inherited from class java.lang.Object

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

Constructor Detail

H264Decoder

public H264Decoder()

Method Detail

createH264DecoderFromCodecPrivate

public static H264Decoder createH264DecoderFromCodecPrivate(ByteBuffer codecPrivate)

Constructs this decoder from a portion of a stream that contains AnnexB delimited (00 00 00 01) SPS/PPS NAL units. SPS/PPS NAL units are 0x67 and 0x68 respectfully.

Parameters:

codecPrivate -

decodeFrame

public Frame decodeFrame(ByteBuffer data,
                         byte[][] buffer)

Description copied from class: VideoDecoder

Decodes a video frame to an uncompressed picture in codec native colorspace

Specified by:

decodeFrame in class VideoDecoder

Parameters:

data - Compressed frame data

decodeFrameFromNals

public Frame decodeFrameFromNals(List<ByteBuffer> nalUnits,
                                 byte[][] buffer)

createFrame

public static Frame createFrame(SeqParameterSet sps,
                                byte[][] buffer,
                                int frameNum,
                                SliceType frameType,
                                H264Utils.MvList2D mvs,
                                Frame[][][] refsUsed,
                                int POC)

addSps

public void addSps(List<ByteBuffer> spsList)

addPps

public void addPps(List<ByteBuffer> ppsList)

probe

public static int probe(ByteBuffer data)

getCodecMeta

public VideoCodecMeta getCodecMeta(ByteBuffer data)

Specified by:

getCodecMeta in class VideoDecoder