org.red5.codec

Interface IVideoStreamCodec

All Known Implementing Classes:

AbstractVideo, AVCVideo, ScreenVideo, ScreenVideo2, SorensonVideo

public interface IVideoStreamCodec

Represents a Video codec and its associated decoder configuration.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	IVideoStreamCodec.FrameData Holder for video frame data.

Field Summary

Fields

Modifier and Type	Field and Description
static byte	FLV_FRAME_KEY FLV frame marker constant

Method Summary

Modifier and Type	Method and Description
boolean	addData(org.apache.mina.core.buffer.IoBuffer data) Update the state of the codec with the passed data.
boolean	addData(org.apache.mina.core.buffer.IoBuffer data, int timestamp) Update the state of the codec with the passed data.
boolean	canDropFrames() Check if the codec supports frame dropping.
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	getDecoderConfiguration() Returns information used to configure the decoder.
IVideoStreamCodec.FrameData	getInterframe(int index) Gets data of interframe with the specified index.
org.apache.mina.core.buffer.IoBuffer	getKeyframe() Returns keyframe data.
IVideoStreamCodec.FrameData[]	getKeyframes() Returns all the keyframe data.
String	getName()
int	getNumInterframes() Returns the number of interframes collected from last keyframe.
void	reset() Reset the codec to its initial state.

Field Detail

FLV_FRAME_KEY

static final byte FLV_FRAME_KEY

FLV frame marker constant

See Also:

Constant Field Values

Method Detail

getName

String getName()

Returns:

the name of the video codec.

reset

void reset()

Reset the codec to its initial state.

canDropFrames

boolean canDropFrames()

Check if the codec supports frame dropping.

Returns:

if the codec supports frame dropping.

canHandleData

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

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

Parameters:

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

Returns:

can this code handle the data.

addData

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

Update the state of the codec with the passed data.

Parameters:

data - data to tell the codec we're adding

Returns:

true for success. false for error

addData

boolean addData(org.apache.mina.core.buffer.IoBuffer data,
                int timestamp)

Update the state of the codec with the passed data.

Parameters:

data - data to tell the codec we're adding

timestamp - time associated with the data

Returns:

true for success. false for error

getKeyframe

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

Returns keyframe data.

Returns:

the data for a keyframe

getKeyframes

IVideoStreamCodec.FrameData[] getKeyframes()

Returns all the keyframe data.

Returns:

array of keyframe data

getDecoderConfiguration

org.apache.mina.core.buffer.IoBuffer getDecoderConfiguration()

Returns information used to configure the decoder.

Returns:

the data for decoder setup

getNumInterframes

int getNumInterframes()

Returns the number of interframes collected from last keyframe.

Returns:

number of interframes

getInterframe

IVideoStreamCodec.FrameData getInterframe(int index)

Gets data of interframe with the specified index.

Parameters:

index - of interframe

Returns:

data of the interframe or null if index is not valid