Package org.red5.codec

Class ScreenVideo

java.lang.Object

org.red5.codec.AbstractVideo

org.red5.codec.ScreenVideo

All Implemented Interfaces:

IVideoStreamCodec, IoConstants

public class ScreenVideo
extends AbstractVideo

Red5 video codec for the screen capture format.

Author:

The Red5 Project, Joachim Bauch (jojo@struktur.de), Paul Gregoire (mondain@gmail.com)

Nested Class Summary

Nested classes/interfaces inherited from interface org.red5.codec.IVideoStreamCodec

IVideoStreamCodec.FrameData

Field Summary

Fields inherited from class org.red5.codec.AbstractVideo

keyframes, keyframeTimestamp

Fields inherited from interface org.red5.io.IoConstants

AVC_PACKET_TYPE_END_OF_SEQUENCE, AVC_PACKET_TYPE_NALU, AVC_PACKET_TYPE_SEQUENCE_HEADER, FLAG_CODEC_H263, FLAG_CODEC_SCREEN, FLAG_CODEC_VP6, FLAG_FORMAT_ADPCM, FLAG_FORMAT_MP3, FLAG_FORMAT_NELLYMOSER, FLAG_FORMAT_NELLYMOSER_8_KHZ, FLAG_FORMAT_RAW, FLAG_FRAMETYPE_DISPOSABLE, FLAG_FRAMETYPE_GENERATED_KEYFRAME, FLAG_FRAMETYPE_INFO, FLAG_FRAMETYPE_INTERFRAME, FLAG_FRAMETYPE_KEYFRAME, FLAG_RATE_11_KHZ, FLAG_RATE_22_KHZ, FLAG_RATE_44_KHZ, FLAG_RATE_48_KHZ, FLAG_RATE_5_5_KHZ, FLAG_SIZE_16_BIT, FLAG_SIZE_8_BIT, FLAG_TYPE_MONO, FLAG_TYPE_STEREO, INFO_PACKET_SEEK_END, INFO_PACKET_SEEK_START, MASK_SOUND_FORMAT, MASK_SOUND_RATE, MASK_SOUND_SIZE, MASK_SOUND_TYPE, MASK_VIDEO_CODEC, MASK_VIDEO_FRAMETYPE, TYPE_AUDIO, TYPE_ENCRYPTED, TYPE_ENCRYPTED_AUDIO, TYPE_ENCRYPTED_METADATA, TYPE_ENCRYPTED_VIDEO, TYPE_METADATA, TYPE_VIDEO

Fields inherited from interface org.red5.codec.IVideoStreamCodec

FLV_FRAME_KEY

Constructor Summary

Constructors

Constructor	Description
ScreenVideo()	Constructs a new ScreenVideo.

Method Summary

Modifier and Type	Method	Description
boolean	addData(org.apache.mina.core.buffer.IoBuffer data)	Update the state of the codec with the passed data.
boolean	canHandleData(org.apache.mina.core.buffer.IoBuffer data)	Returns true if the codec knows how to handle the passed stream data.
org.apache.mina.core.buffer.IoBuffer	getKeyframe()	Returns keyframe data.
String	getName()
void	reset()	Reset the codec to its initial state.

Methods inherited from class org.red5.codec.AbstractVideo

addData, canDropFrames, getDecoderConfiguration, getInterframe, getKeyframes, getNumInterframes

Methods inherited from class java.lang.Object

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

Constructor Detail

ScreenVideo

public ScreenVideo()

Constructs a new ScreenVideo.

Method Detail

getName

public String getName()

Specified by:

getName in interface IVideoStreamCodec

Overrides:

getName in class AbstractVideo

Returns:

the name of the video codec.

reset

public void reset()

Reset the codec to its initial state.

Specified by:

reset in interface IVideoStreamCodec

Overrides:

reset in class AbstractVideo

canHandleData

public boolean canHandleData(org.apache.mina.core.buffer.IoBuffer data)

Returns true if the codec knows how to handle the passed stream data.

Specified by:

canHandleData in interface IVideoStreamCodec

Overrides:

canHandleData in class AbstractVideo

Parameters:

data - some sample data to see if this codec can handle it

Returns:

can this code handle the data.

addData

public boolean addData(org.apache.mina.core.buffer.IoBuffer data)

Update the state of the codec with the passed data.

Specified by:

addData in interface IVideoStreamCodec

Overrides:

addData in class AbstractVideo

Parameters:

data - data to tell the codec we're adding

Returns:

true for success. false for error

getKeyframe

public org.apache.mina.core.buffer.IoBuffer getKeyframe()

Returns keyframe data.

Specified by:

getKeyframe in interface IVideoStreamCodec

Overrides:

getKeyframe in class AbstractVideo

Returns:

the data for a keyframe