org.red5.server.net.rtmp
Class RTMPUtils

java.lang.Object
  org.red5.server.net.rtmp.RTMPUtils

All Implemented Interfaces:

Constants

public class RTMPUtils
extends Object
implements Constants

RTMP utilities class.

Author:

The Red5 Project (red5@osflash.org), Luke Hubbard, Codegent Ltd (luke@codegent.com)

Field Summary

Fields inherited from interface org.red5.server.net.rtmp.message.Constants

ACTION_CLOSE_STREAM, ACTION_CONNECT, ACTION_CREATE_STREAM, ACTION_DELETE_STREAM, ACTION_DISCONNECT, ACTION_PAUSE, ACTION_PLAY, ACTION_PUBLISH, ACTION_RECEIVE_AUDIO, ACTION_RECEIVE_VIDEO, ACTION_RELEASE_STREAM, ACTION_SEEK, ACTION_STOP, HANDSHAKE_SIZE, HEADER_CONTINUE, HEADER_NEW, HEADER_SAME_SOURCE, HEADER_TIMER_CHANGE, MEDIUM_INT_MAX, SO_CLIENT_CLEAR_DATA, SO_CLIENT_DELETE_DATA, SO_CLIENT_INITIAL_DATA, SO_CLIENT_SEND_MESSAGE, SO_CLIENT_STATUS, SO_CLIENT_UPDATE_ATTRIBUTE, SO_CLIENT_UPDATE_DATA, SO_CONNECT, SO_DELETE_ATTRIBUTE, SO_DISCONNECT, SO_SEND_MESSAGE, SO_SET_ATTRIBUTE, TYPE_AUDIO_DATA, TYPE_BYTES_READ, TYPE_CHUNK_SIZE, TYPE_CLIENT_BANDWIDTH, TYPE_FLEX_MESSAGE, TYPE_FLEX_SHARED_OBJECT, TYPE_FLEX_STREAM_SEND, TYPE_INVOKE, TYPE_NOTIFY, TYPE_PING, TYPE_SERVER_BANDWIDTH, TYPE_SHARED_OBJECT, TYPE_STREAM_METADATA, TYPE_VIDEO_DATA

Constructor Summary

RTMPUtils()

Method Summary

static int	decodeChannelId(int header, int byteCount) Decode channel id.
static byte	decodeHeaderSize(int header, int byteCount) Decode header size.
static void	encodeHeaderByte(org.apache.mina.common.ByteBuffer out, byte headerSize, int channelId) Encodes header size marker and channel id into header marker.
static int	getHeaderLength(byte headerSize) Return header length from marker value.
static int	readMediumInt(org.apache.mina.common.ByteBuffer in)
static int	readMediumIntOld(org.apache.mina.common.ByteBuffer in)
static int	readReverseInt(org.apache.mina.common.ByteBuffer in) Read integer in reversed order.
static int	readReverseIntOld(org.apache.mina.common.ByteBuffer in) Read integer in reversed order.
static int	readUnsignedMediumInt(org.apache.mina.common.ByteBuffer in)
static int	readUnsignedMediumIntOld(org.apache.mina.common.ByteBuffer in)
static void	writeMediumInt(org.apache.mina.common.ByteBuffer out, int value)
static void	writeReverseInt(org.apache.mina.common.ByteBuffer out, int value) Writes reversed integer to buffer.
static void	writeReverseIntOld(org.apache.mina.common.ByteBuffer out, int value) Writes reversed integer to buffer.

Methods inherited from class java.lang.Object

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

Constructor Detail

RTMPUtils

public RTMPUtils()

Method Detail

writeReverseIntOld

public static void writeReverseIntOld(org.apache.mina.common.ByteBuffer out,
                                      int value)

Writes reversed integer to buffer.

Parameters:

out - Buffer

value - Integer to write

writeReverseInt

public static void writeReverseInt(org.apache.mina.common.ByteBuffer out,
                                   int value)

Writes reversed integer to buffer.

Parameters:

out - Buffer

value - Integer to write

writeMediumInt

public static void writeMediumInt(org.apache.mina.common.ByteBuffer out,
                                  int value)

Parameters:

out -

value -

readUnsignedMediumInt

public static int readUnsignedMediumInt(org.apache.mina.common.ByteBuffer in)

Parameters:

in -

Returns:

readUnsignedMediumIntOld

public static int readUnsignedMediumIntOld(org.apache.mina.common.ByteBuffer in)

Parameters:

in -

Returns:

readMediumIntOld

public static int readMediumIntOld(org.apache.mina.common.ByteBuffer in)

Parameters:

in -

Returns:

readMediumInt

public static int readMediumInt(org.apache.mina.common.ByteBuffer in)

Parameters:

in -

Returns:

readReverseInt

public static int readReverseInt(org.apache.mina.common.ByteBuffer in)

Read integer in reversed order.

Parameters:

in - Input buffer

Returns:

Integer

readReverseIntOld

public static int readReverseIntOld(org.apache.mina.common.ByteBuffer in)

Read integer in reversed order.

Parameters:

in - Input buffer

Returns:

Integer

encodeHeaderByte

public static void encodeHeaderByte(org.apache.mina.common.ByteBuffer out,
                                    byte headerSize,
                                    int channelId)

Encodes header size marker and channel id into header marker.

Parameters:

headerSize - Header size marker

channelId - Channel used

decodeChannelId

public static int decodeChannelId(int header,
                                  int byteCount)

Decode channel id.

Parameters:

header - Header

Returns:

Channel id

decodeHeaderSize

public static byte decodeHeaderSize(int header,
                                    int byteCount)

Decode header size.

Parameters:

header - Header byte

Returns:

Header size byte

getHeaderLength

public static int getHeaderLength(byte headerSize)

Return header length from marker value.

Parameters:

headerSize - Header size marker value

Returns:

Header length