org.red5.server.stream

Class PlayEngine

java.lang.Object

org.red5.server.stream.PlayEngine

All Implemented Interfaces:

IConsumer, IFilter, IMessageComponent, IPipeConnectionListener, IProvider, IPushableConsumer

public final class PlayEngine
extends Object
implements IFilter, IPushableConsumer, IPipeConnectionListener

A play engine for playing a IPlayItem.

Author:

The Red5 Project, Steven Gong, Paul Gregoire (mondain@gmail.com), Dan Rossi, Tiago Daniel Jacobs (tiago@imdt.com.br), Vladimir Hmelyoff (vlhm@splitmedialabs.com)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PlayEngine.Builder Builder pattern

Field Summary

Fields inherited from interface org.red5.server.messaging.IPushableConsumer

KEY

Method Summary

Modifier and Type	Method and Description
protected boolean	checkSendMessageEnabled(RTMPMessage message) Check if sending the given message was enabled by the client.
void	close() Close stream
int	getLastMessageTimestamp() Returns the timestamp of the last message sent.
long	getPlaybackStart()
boolean	isPaused()
boolean	isPullMode()
void	onOOBControlMessage(IMessageComponent source, IPipe pipe, OOBControlMessage oobCtrlMsg)
void	onPipeConnectionEvent(PipeConnectionEvent event) Pipe connection event handler
void	pause(int position) Pause at position
void	play(IPlayItem item) Play stream
void	play(IPlayItem item, boolean withReset) Play stream See: https://www.adobe.com/devnet/adobe-media-server/articles/dynstream_actionscript.html
void	pushMessage(IPipe pipe, IMessage message) Pushes message through pipe
boolean	receiveAudio() Returns true if the engine currently receives audio.
boolean	receiveAudio(boolean receive) Returns true if the engine currently receives audio and sets the new value.
boolean	receiveVideo() Returns true if the engine currently receives video.
boolean	receiveVideo(boolean receive) Returns true if the engine currently receives video and sets the new value.
void	resume(int position) Resume playback
void	seek(int position) Seek to a given position
void	sendBlankAudio(boolean sendBlankAudio)
void	setBufferCheckInterval(int bufferCheckInterval)
void	setMaxPendingVideoFrames(int maxPendingVideoFrames)
void	setMaxSequentialPendingVideoFrames(int maxSequentialPendingVideoFrames)
void	setUnderrunTrigger(int underrunTrigger)
void	start() Start stream
void	stop() Stop playback

Methods inherited from class java.lang.Object

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

Method Detail

setBufferCheckInterval

public void setBufferCheckInterval(int bufferCheckInterval)

setUnderrunTrigger

public void setUnderrunTrigger(int underrunTrigger)

start

public void start()

Start stream

play

public void play(IPlayItem item)
          throws StreamNotFoundException,
                 IllegalStateException,
                 IOException

Play stream

Parameters:

item - Playlist item

Throws:

StreamNotFoundException - Stream not found

IllegalStateException - Stream is in stopped state

IOException - Stream had io exception

play

public void play(IPlayItem item,
                 boolean withReset)
          throws StreamNotFoundException,
                 IllegalStateException,
                 IOException

Play stream See: https://www.adobe.com/devnet/adobe-media-server/articles/dynstream_actionscript.html

Parameters:

item - Playlist item

withReset - Send reset status before playing.

Throws:

StreamNotFoundException - Stream not found

IllegalStateException - Stream is in stopped state

IOException - Stream had IO exception

pause

public void pause(int position)
           throws IllegalStateException

Pause at position

Parameters:

position - Position in file

Throws:

IllegalStateException - If stream is stopped

resume

public void resume(int position)
            throws IllegalStateException

Resume playback

Parameters:

position - Resumes playback

Throws:

IllegalStateException - If stream is stopped

seek

public void seek(int position)
          throws IllegalStateException,
                 OperationNotSupportedException

Seek to a given position

Parameters:

position - Position

Throws:

IllegalStateException - If stream is in stopped state

OperationNotSupportedException - If this object doesn't support the operation.

stop

public void stop()
          throws IllegalStateException

Stop playback

Throws:

IllegalStateException - If stream is in stopped state

close

public void close()

Close stream

onOOBControlMessage

public void onOOBControlMessage(IMessageComponent source,
                                IPipe pipe,
                                OOBControlMessage oobCtrlMsg)

Specified by:

onOOBControlMessage in interface IMessageComponent

Parameters:

source - Message component source

pipe - Connection pipe

oobCtrlMsg - Out-of-band control message

onPipeConnectionEvent

public void onPipeConnectionEvent(PipeConnectionEvent event)

Pipe connection event handler

Specified by:

onPipeConnectionEvent in interface IPipeConnectionListener

Parameters:

event - Pipe connection event

pushMessage

public void pushMessage(IPipe pipe,
                        IMessage message)
                 throws IOException

Pushes message through pipe

Specified by:

pushMessage in interface IPushableConsumer

Parameters:

pipe - Pipe

message - Message

Throws:

IOException - if message could not be written

isPullMode

public boolean isPullMode()

isPaused

public boolean isPaused()

getLastMessageTimestamp

public int getLastMessageTimestamp()

Returns the timestamp of the last message sent.

Returns:

last message timestamp

getPlaybackStart

public long getPlaybackStart()

sendBlankAudio

public void sendBlankAudio(boolean sendBlankAudio)

receiveAudio

public boolean receiveAudio()

Returns true if the engine currently receives audio.

Returns:

receive audio

receiveAudio

public boolean receiveAudio(boolean receive)

Returns true if the engine currently receives audio and sets the new value.

Parameters:

receive - new value

Returns:

old value

receiveVideo

public boolean receiveVideo()

Returns true if the engine currently receives video.

Returns:

receive video

receiveVideo

public boolean receiveVideo(boolean receive)

Returns true if the engine currently receives video and sets the new value.

Parameters:

receive - new value

Returns:

old value

checkSendMessageEnabled

protected boolean checkSendMessageEnabled(RTMPMessage message)

Check if sending the given message was enabled by the client.

Parameters:

message - the message to check

Returns:

true if the message should be sent, false otherwise (and the message is discarded)

setMaxPendingVideoFrames

public void setMaxPendingVideoFrames(int maxPendingVideoFrames)

Parameters:

maxPendingVideoFrames - the maxPendingVideoFrames to set

setMaxSequentialPendingVideoFrames

public void setMaxSequentialPendingVideoFrames(int maxSequentialPendingVideoFrames)

Parameters:

maxSequentialPendingVideoFrames - the maxSequentialPendingVideoFrames to set