net.java.sip.communicator.impl.neomedia.codec.video.h264
Class Packetizer

java.lang.Object
  net.sf.fmj.media.AbstractControls
      net.sf.fmj.media.AbstractPlugIn
          net.sf.fmj.media.AbstractCodec
              net.sf.fmj.media.AbstractPacketizer
                  net.java.sip.communicator.impl.neomedia.codec.video.h264.Packetizer

All Implemented Interfaces:

javax.media.Codec, javax.media.Controls, javax.media.PlugIn

public class Packetizer
extends net.sf.fmj.media.AbstractPacketizer

Packetizes H.264 encoded data/NAL units into RTP packets in accord with RFC 3984 "RTP Payload Format for H.264 Video".

Author:

Damian Minkov, Lyubomir Marinov

Field Summary

static int	MAX_PAYLOAD_SIZE Maximum payload size without the headers.
(package private) static javax.media.Format[]	SUPPORTED_OUTPUT_FORMATS The Formats supported by Packetizer instances as output.

Fields inherited from class net.sf.fmj.media.AbstractCodec

inputFormat, inputFormats, opened, outputFormat

Fields inherited from interface javax.media.PlugIn

BUFFER_PROCESSED_FAILED, BUFFER_PROCESSED_OK, INPUT_BUFFER_NOT_CONSUMED, OUTPUT_BUFFER_NOT_FILLED, PLUGIN_TERMINATED

Constructor Summary

Packetizer()
Initializes a new Packetizer instance which is to packetize H.264 encoded data/NAL units into RTP packets in accord with RFC 3984 "RTP Payload Format for H.264 Video".

Method Summary

void	close() Close this Packetizer.
String	getName() Gets the name of this PlugIn.
javax.media.Format[]	getSupportedOutputFormats(javax.media.Format in) Return the list of formats supported at the output.
void	open() Open this Packetizer.
int	process(javax.media.Buffer inBuffer, javax.media.Buffer outBuffer) Processes (packetize) a buffer.
javax.media.Format	setInputFormat(javax.media.Format in) Sets the input format.
javax.media.Format	setOutputFormat(javax.media.Format output) Sets the Format in which this Codec is to output media data.

Methods inherited from class net.sf.fmj.media.AbstractPacketizer

doBuildPacketHeader, setDoNotSpanInputBuffers, setPacketSize, setPacketSizeImpl

Methods inherited from class net.sf.fmj.media.AbstractCodec

checkInputBuffer, dump, getInputFormat, getOutputFormat, getSupportedInputFormats, isEOM, propagateEOM

Methods inherited from class net.sf.fmj.media.AbstractPlugIn

reset

Methods inherited from class net.sf.fmj.media.AbstractControls

addControl, getControl, getControls, removeControl

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.media.PlugIn

reset

Methods inherited from interface javax.media.Controls

getControl, getControls

Field Detail

MAX_PAYLOAD_SIZE

public static final int MAX_PAYLOAD_SIZE

Maximum payload size without the headers.

See Also:

Constant Field Values

SUPPORTED_OUTPUT_FORMATS

static final javax.media.Format[] SUPPORTED_OUTPUT_FORMATS

The Formats supported by Packetizer instances as output.

Constructor Detail

Packetizer

public Packetizer()

Initializes a new Packetizer instance which is to packetize H.264 encoded data/NAL units into RTP packets in accord with RFC 3984 "RTP Payload Format for H.264 Video".

Method Detail

close

public void close()

Close this Packetizer.

Specified by:

close in interface javax.media.PlugIn

Overrides:

close in class net.sf.fmj.media.AbstractPlugIn

getName

public String getName()

Gets the name of this PlugIn.

Specified by:

getName in interface javax.media.PlugIn

Overrides:

getName in class net.sf.fmj.media.AbstractPlugIn

Returns:

the name of this PlugIn

getSupportedOutputFormats

public javax.media.Format[] getSupportedOutputFormats(javax.media.Format in)

Return the list of formats supported at the output.

Specified by:

getSupportedOutputFormats in interface javax.media.Codec

Specified by:

getSupportedOutputFormats in class net.sf.fmj.media.AbstractCodec

Parameters:

in - input Format to determine corresponding output Format/tt>s

Returns:

array of formats supported at output

open

public void open()
          throws javax.media.ResourceUnavailableException

Open this Packetizer.

Specified by:

open in interface javax.media.PlugIn

Overrides:

open in class net.sf.fmj.media.AbstractPlugIn

Throws:

javax.media.ResourceUnavailableException - if something goes wrong during initialization of the Packetizer.

process

public int process(javax.media.Buffer inBuffer,
                   javax.media.Buffer outBuffer)

Processes (packetize) a buffer.

Specified by:

process in interface javax.media.Codec

Overrides:

process in class net.sf.fmj.media.AbstractPacketizer

Parameters:

inBuffer - input buffer

outBuffer - output buffer

Returns:

BUFFER_PROCESSED_OK if buffer has been successfully processed

setInputFormat

public javax.media.Format setInputFormat(javax.media.Format in)

Sets the input format.

Specified by:

setInputFormat in interface javax.media.Codec

Overrides:

setInputFormat in class net.sf.fmj.media.AbstractCodec

Parameters:

in - format to set

Returns:

format

setOutputFormat

public javax.media.Format setOutputFormat(javax.media.Format output)

Sets the Format in which this Codec is to output media data.

Specified by:

setOutputFormat in interface javax.media.Codec

Overrides:

setOutputFormat in class net.sf.fmj.media.AbstractCodec

Parameters:

output - the Format in which this Codec is to output media data

Returns:

the Format in which this Codec is currently configured to output media data or null if format was found to be incompatible with this Codec