com.sun.media
类 MediaProcessor

java.lang.Object
  com.sun.media.BasicController
      com.sun.media.BasicPlayer
          com.sun.media.BasicProcessor
              com.sun.media.MediaProcessor

所有已实现的接口：

Clock, Controller, ControllerListener, DownloadProgressListener, Duration, MediaHandler, Player, Processor

public class MediaProcessor
extends BasicProcessor

MediaProcessor extends BasicProcessor and uses ProcessEngine to process media.

字段摘要

protected ProcessEngine

engine

从类 com.sun.media.BasicPlayer 继承的字段

bufferControl, cachingControl, controlComp, controllerList, controls, extendedCachingControl, framePositioning, regionControl, source, VERSION

从类 com.sun.media.BasicController 继承的字段

processError, state, stopThreadEnabled

从接口 javax.media.Processor 继承的字段

Configured, Configuring

从接口 javax.media.Controller 继承的字段

LATENCY_UNKNOWN, Prefetched, Prefetching, Realized, Realizing, Started, Unrealized

从接口 javax.media.Clock 继承的字段

RESET

从接口 javax.media.Duration 继承的字段

DURATION_UNBOUNDED, DURATION_UNKNOWN

构造方法摘要

MediaProcessor()

方法摘要

protected boolean	audioEnabled() Return true if the player is currently playing media with an audio track.
javax.media.protocol.ContentDescriptor	getContentDescriptor() Return the output content-type.
javax.media.protocol.DataSource	getDataOutput() Return the output DataSource of the Processor.
GainControl	getGainControl() Obtain the gain control from the media engine.
protected TimeBase	getMasterTimeBase() Obtain the time base from the media engine.
long	getMediaNanoseconds() Get the current media time in nanoseconds.
Time	getMediaTime() Obtain media time directly from the engine.
javax.media.protocol.ContentDescriptor[]	getSupportedContentDescriptors() Return all the content-types which this Processor's output supports.
javax.media.control.TrackControl[]	getTrackControls() Return the tracks in the media.
java.awt.Component	getVisualComponent() Obtain the visiual component from the media engine.
javax.media.protocol.ContentDescriptor	setContentDescriptor(javax.media.protocol.ContentDescriptor ocd) Set the output content-type.
void	setSource(javax.media.protocol.DataSource source) Set the DataSource that provides the media for this player.
void	updateStats() This is being called from a looping thread to update the stats.
protected boolean	videoEnabled() Return true if the player is currently playing media with a video track.

从类 com.sun.media.BasicProcessor 继承的方法

isConfigurable

从类 com.sun.media.BasicPlayer 继承的方法

abortPrefetch, abortRealize, addController, completeConfigure, completePrefetch, completeRealize, controllerSetStopTime, controllerStopAtTime, controllerUpdate, deviceBusy, doClose, doConfigure, doFailedConfigure, doFailedPrefetch, doFailedRealize, doPrefetch, doRealize, doSetMediaTime, doSetRate, doStart, doStop, downloadUpdate, getContentType, getControllerList, getControlPanelComponent, getControls, getDuration, getMediaLocator, getSource, getStartLatency, isAboutToRestart, isFramePositionable, manageController, manageController, processEndOfMedia, processEvent, removeController, setMediaLength, setMediaTime, setRate, setStopTime, setTimeBase, slaveToMasterTimeBase, start, stop, stopAtTime, syncStart, unmanageController, updateDuration

从类 com.sun.media.BasicController 继承的方法

abortConfigure, addControllerListener, close, configure, deallocate, dispatchEvent, doDeallocate, getClock, getControl, getRate, getState, getStopTime, getSyncTime, getTargetState, getTimeBase, interrupt, isInterrupted, mapToTimeBase, prefetch, realize, removeControllerListener, resetInterrupt, sendEvent, setClock, setTargetState, stopControllerOnly, syncStartInProgress, throwError

从类 java.lang.Object 继承的方法

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

从接口 javax.media.Processor 继承的方法

configure

从接口 javax.media.Player 继承的方法

addController, getControlPanelComponent, removeController, start

从接口 javax.media.Controller 继承的方法

addControllerListener, close, deallocate, getControl, getControls, getStartLatency, getState, getTargetState, prefetch, realize, removeControllerListener

从接口 javax.media.Clock 继承的方法

getRate, getStopTime, getSyncTime, getTimeBase, mapToTimeBase, setMediaTime, setRate, setStopTime, setTimeBase, stop, syncStart

从接口 javax.media.Duration 继承的方法

getDuration

字段详细信息

engine

protected ProcessEngine engine

构造方法详细信息

MediaProcessor

public MediaProcessor()

方法详细信息

setSource

public void setSource(javax.media.protocol.DataSource source)
               throws java.io.IOException,
                      IncompatibleSourceException

从类 BasicPlayer 复制的描述

Set the DataSource that provides the media for this player. BasicPlayer only supports PullDataSource by default. Subclasses can override this method to support other DataSources.

指定者：

接口 MediaHandler 中的 setSource

覆盖：

类 BasicPlayer 中的 setSource

参数：

source - of media for this player.

抛出：

java.io.IOException - thrown when an i/o error occurs in reading information from the data source.

IncompatibleSourceException - thrown if the Player can't use this source.

getVisualComponent

public java.awt.Component getVisualComponent()

Obtain the visiual component from the media engine.

指定者：

接口 Player 中的 getVisualComponent

覆盖：

类 BasicPlayer 中的 getVisualComponent

返回：

the media display component.

getGainControl

public GainControl getGainControl()

Obtain the gain control from the media engine.

指定者：

接口 Player 中的 getGainControl

覆盖：

类 BasicPlayer 中的 getGainControl

返回：

the GainControl object for this player.

getMediaTime

public Time getMediaTime()

Obtain media time directly from the engine.

指定者：

接口 Clock 中的 getMediaTime

覆盖：

类 BasicController 中的 getMediaTime

返回：

the current media time.

getMediaNanoseconds

public long getMediaNanoseconds()

从类 BasicController 复制的描述

Get the current media time in nanoseconds.

指定者：

接口 Clock 中的 getMediaNanoseconds

覆盖：

类 BasicController 中的 getMediaNanoseconds

返回：

the media time in nanoseconds.

getMasterTimeBase

protected TimeBase getMasterTimeBase()

Obtain the time base from the media engine.

指定者：

类 BasicPlayer 中的 getMasterTimeBase

返回：

the master time base.

audioEnabled

protected boolean audioEnabled()

从类 BasicPlayer 复制的描述

Return true if the player is currently playing media with an audio track.

指定者：

类 BasicPlayer 中的 audioEnabled

返回：

true if the player is playing audio.

videoEnabled

protected boolean videoEnabled()

从类 BasicPlayer 复制的描述

Return true if the player is currently playing media with a video track.

指定者：

类 BasicPlayer 中的 videoEnabled

返回：

true if the player is playing video.

getTrackControls

public javax.media.control.TrackControl[] getTrackControls()
                                                    throws NotConfiguredError

Return the tracks in the media. This method can only be called after the Processor has been configured.

指定者：

接口 Processor 中的 getTrackControls

覆盖：

类 BasicProcessor 中的 getTrackControls

返回：

An array of the tracks in the media. An emtpy array is returned if there is no TrackControl available for this Processor.

抛出：

NotConfiguredError - if the Processor is Unrealized.

getSupportedContentDescriptors

public javax.media.protocol.ContentDescriptor[] getSupportedContentDescriptors()
                                                                        throws NotConfiguredError

Return all the content-types which this Processor's output supports.

指定者：

接口 Processor 中的 getSupportedContentDescriptors

覆盖：

类 BasicProcessor 中的 getSupportedContentDescriptors

返回：

An array of the the content-types supported by the Processor.

抛出：

NotConfiguredError - if the Processor is Unrealized.

setContentDescriptor

public javax.media.protocol.ContentDescriptor setContentDescriptor(javax.media.protocol.ContentDescriptor ocd)
                                                            throws NotConfiguredError

Set the output content-type.

指定者：

接口 Processor 中的 setContentDescriptor

覆盖：

类 BasicProcessor 中的 setContentDescriptor

参数：

ocd - The content type to be used for the Processor output.

返回：

The content descriptor that most closely matches the specified content descriptor or null if the specified content descriptor cannot be set.

抛出：

NotConfiguredError - if the Processor is Unrealized. realized state and it does not support format changes after it has been realized.

getContentDescriptor

public javax.media.protocol.ContentDescriptor getContentDescriptor()
                                                            throws NotConfiguredError

Return the output content-type.

指定者：

接口 Processor 中的 getContentDescriptor

覆盖：

类 BasicProcessor 中的 getContentDescriptor

返回：

The current output content-type.

抛出：

NotConfiguredError - if the Processor is Unrealized.

getDataOutput

public javax.media.protocol.DataSource getDataOutput()
                                              throws NotRealizedError

Return the output DataSource of the Processor.

指定者：

接口 Processor 中的 getDataOutput

覆盖：

类 BasicProcessor 中的 getDataOutput

返回：

The output DataSource of the Processor.

抛出：

NotRealizedError - if the Processor is not realized.

updateStats

public void updateStats()

从类 BasicPlayer 复制的描述

This is being called from a looping thread to update the stats.

指定者：

类 BasicPlayer 中的 updateStats