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## 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 an IPlayItem.

Author:
  The Red5 Project (red5@osflash.org), Steven Gong, Paul Gregoire (mondain@gmail.com), Dan Rossi, Tiago Daniel Jacobs (tiago@imdt.com.br)

Nested Class Summary
`static class` | `PlayEngine.Builder` Builder pattern

Field Summary

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

Method Summary
`void` | `close()` Close stream
`IRTMPEvent` | `getLastMessage()`
`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
`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 position in file
`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

  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 position in file

  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 TODO
    `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()

### getLastMessage

    public IRTMPEvent getLastMessage()

### 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

### setMaxPendingVideoFrames

    public void setMaxPendingVideoFrames(int maxPendingVideoFrames)

  Parameters:
    `maxPendingVideoFrames` - the maxPendingVideoFrames to set

### setMaxSequentialPendingVideoFrames

    public void setMaxSequentialPendingVideoFrames(int maxSequentialPendingVideoFrames)

  Parameters:
    `maxSequentialPendingVideoFrames` - the maxSequentialPendingVideoFrames to set

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