mediaplayer.html

JMF原版英文说明文档

public boolean <B>isPlayBackLoop</B>()</PRE>
<DL>
<DD>Gets the loop property for this <CODE>MediaPlayer</CODE>. This property indicates
 whether the <CODE>MediaPlayer</CODE> should play the media stream 
 repeatedly or stop when the end of media is reached.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD><CODE>true</CODE> if loop is enabled, <CODE>false</CODE> if the media stream 
 is to be played only once.</DL>
</DD>
</DL>
<HR>

<A NAME="setZoomTo(java.lang.String)"><!-- --></A><H3>
setZoomTo</H3>
<PRE>
public void <B>setZoomTo</B>(java.lang.String&nbsp;scale)</PRE>
<DL>
<DD>Sets the zoom property for this <CODE>MediaPlayer</CODE>. This property specifies
 a scale factor for the visual components. When <CODE>zoom</CODE> is called, the 
 visual components are resized accordingly.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>scale</CODE> - A <CODE>String</CODE> that specifies the zoom factor. Possible values are
     <CODE>Scale 1:2</CODE>, <CODE>Scale 1:1</CODE>, <CODE>Scale 2:1</CODE>, 
  and <CODE>Scale 4:1</CODE>.</DL>
</DD>
</DL>
<HR>

<A NAME="getZoomTo()"><!-- --></A><H3>
getZoomTo</H3>
<PRE>
public java.lang.String <B>getZoomTo</B>()</PRE>
<DL>
<DD>Gets the zoom property for this <CODE>MediaPlayer</CODE>.  This property specifies
 a scale factor for the visual components.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A <CODE>String</CODE> that specifies the zoom factor. Possible values are
  <CODE>Scale 1:2</CODE>, <CODE>Scale 1:1</CODE>, <CODE>Scale 2:1</CODE>, 
  and <CODE>Scale 4:1</CODE>.</DL>
</DD>
</DL>
<HR>

<A NAME="getControlPanelHeight()"><!-- --></A><H3>
getControlPanelHeight</H3>
<PRE>
public int <B>getControlPanelHeight</B>()</PRE>
<DL>
<DD>Gets the height of the control <CODE>Component</CODE> for this <CODE>MediaPlayer</CODE>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>The control <CODE>Component</CODE> height as an integer.</DL>
</DD>
</DL>
<HR>

<A NAME="getMediaLocationHeight()"><!-- --></A><H3>
getMediaLocationHeight</H3>
<PRE>
public int <B>getMediaLocationHeight</B>()</PRE>
<DL>
<DD>Gets the height of the media-location text field for this <CODE>MediaPlayer</CODE>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>The height of the media location text field as an integer.</DL>
</DD>
</DL>
<HR>

<A NAME="setVolumeLevel(java.lang.String)"><!-- --></A><H3>
setVolumeLevel</H3>
<PRE>
public void <B>setVolumeLevel</B>(java.lang.String&nbsp;volumeString)</PRE>
<DL>
<DD>Sets the audio volume property for this <CODE>MediaPlayer</CODE>. 
  The volume can range from zero to five, where zero is silence
  and five is the maximum volume.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>volumeString</CODE> - A <CODE>String</CODE> that represents the audio volume. 
 Possible values are "0", "1", "2", "3", "4", or "5".</DL>
</DD>
</DL>
<HR>

<A NAME="getVolumeLevel()"><!-- --></A><H3>
getVolumeLevel</H3>
<PRE>
public java.lang.String <B>getVolumeLevel</B>()</PRE>
<DL>
<DD>Gets the audio volume property for this <CODE>MediaPlayer</CODE>.
 The volume can range from zero to five, where zero is silence
 and five is the maximum volume.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A <CODE>String</CODE> that represents the audio volume. 
 Possible values are "0", "1", "2", "3", "4", or "5".</DL>
</DD>
</DL>
<HR>

<A NAME="isMediaLocationVisible()"><!-- --></A><H3>
isMediaLocationVisible</H3>
<PRE>
public boolean <B>isMediaLocationVisible</B>()</PRE>
<DL>
<DD>Gets the MediaLocationVisible property for this <CODE>MediaPlayer</CODE>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD><CODE>true</CODE> if the media location is visible at runtime, 
 <CODE>false</CODE> if it is not.</DL>
</DD>
</DL>
<HR>

<A NAME="setMediaLocationVisible(boolean)"><!-- --></A><H3>
setMediaLocationVisible</H3>
<PRE>
public void <B>setMediaLocationVisible</B>(boolean&nbsp;val)</PRE>
<DL>
<DD>Sets the MediaLocationVisible property for this <CODE>MediaPlayer</CODE>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>val</CODE> - A boolean that indicates whether or not the media location is visible.
 Set to <CODE>true</CODE> if the media location is visible at runtime,
 <CODE>false</CODE> if it is not.</DL>
</DD>
</DL>
<HR>

<A NAME="isControlPanelVisible()"><!-- --></A><H3>
isControlPanelVisible</H3>
<PRE>
public boolean <B>isControlPanelVisible</B>()</PRE>
<DL>
<DD>Gets the control panel visibility property for this <CODE>MediaPlayer</CODE>.
 This property indicates whether or not the control panel is visible at runtime.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD><CODE>true</CODE> if the control panel is visible at runtime,
 <CODE>false</CODE> if it is not.</DL>
</DD>
</DL>
<HR>

<A NAME="setControlPanelVisible(boolean)"><!-- --></A><H3>
setControlPanelVisible</H3>
<PRE>
public void <B>setControlPanelVisible</B>(boolean&nbsp;isVisible)</PRE>
<DL>
<DD>Sets the control panel visibility property for this <CODE>MediaPlayer</CODE>.
 This property indicates whether or not the control panel is displayed at runtime.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>isVisible</CODE> - A boolean value that indicates whether or not the control panel 
 should be displayed. Set to <CODE>true</CODE> to display the control panel.</DL>
</DD>
</DL>
<HR>

<A NAME="isCachingControlVisible()"><!-- --></A><H3>
isCachingControlVisible</H3>
<PRE>
public boolean <B>isCachingControlVisible</B>()</PRE>
<DL>
<DD>Gets the caching control visibility property for this <CODE>MediaPlayer</CODE>.
 This property indicates whether or not the caching control is displayed at runtime.
 The caching control displays the download progress for media accessed over the network.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD><CODE>true</CODE> if the control panel is displayed at runtime,
 <CODE>false</CODE> if it is not.</DL>
</DD>
</DL>
<HR>

<A NAME="setCachingControlVisible(boolean)"><!-- --></A><H3>
setCachingControlVisible</H3>
<PRE>
public void <B>setCachingControlVisible</B>(boolean&nbsp;isVisible)</PRE>
<DL>
<DD>Sets the caching control visibility property for this <CODE>MediaPlayer</CODE>.
 This property indicates whether or not the caching control is displayed at runtime.
 The caching control displays the download progress for media accessed over the network.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>isVisible</CODE> - A boolean value that indicates whether or not the caching control
  should be  displayed at
   runtime. Set to <CODE>true</CODE> to display the control.</DL>
</DD>
</DL>
<HR>

<A NAME="isFixedAspectRatio()"><!-- --></A><H3>
isFixedAspectRatio</H3>
<PRE>
public boolean <B>isFixedAspectRatio</B>()</PRE>
<DL>
<DD>Gets the fixed aspect ratio property for this <CODE>MediaPlayer</CODE>. This 
 property indicates whether or not the aspect ratio of the video  
 is maintained when the visual component is resized.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A boolean value that indicates whether or not the aspect ratio is maintained.
 Returns <CODE>true</CODE> if it is, <CODE>false</CODE> if it is not.</DL>
</DD>
</DL>
<HR>

<A NAME="setFixedAspectRatio(boolean)"><!-- --></A><H3>
setFixedAspectRatio</H3>
<PRE>
public void <B>setFixedAspectRatio</B>(boolean&nbsp;isFixed)</PRE>
<DL>
<DD>Sets the fixed aspect ratio property for this <CODE>MediaPlayer</CODE>. This 
 property indicates whether or not the aspect ratio of the video  
 is maintained when the visual component is resized.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>isFixed</CODE> - A boolean value that indicates whether or not the aspect 
 ratio should be maintained.
 Set to <CODE>true</CODE> to maintain the aspect ratio.</DL>
</DD>
</DL>
<HR>

<A NAME="setPopupActive(boolean)"><!-- --></A><H3>
setPopupActive</H3>
<PRE>
public void <B>setPopupActive</B>(boolean&nbsp;isActive)</PRE>
<DL>
<DD>Specifies whether or not the Zoom Popup Menu is active.
 If <CODE>setPopupActive</CODE> is set to false, the popup menu won't be created.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>isActive</CODE> - A boolean value that indicates whether or not the popup menu
 should be created.
 Set to <CODE>true</CODE> to activate the popup menu.</DL>
</DD>
</DL>
<HR>

<A NAME="getVisualComponent()"><!-- --></A><H3>
getVisualComponent</H3>
<PRE>
public java.awt.Component <B>getVisualComponent</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <A HREF="../../../../javax/media/Player.html">Player</A></B></DD>
<DD>Gets the display <code>Component</code> for this <code>Player</code>.
 The display <code>Component</code> is where visual media
 is rendered.
 If this <code>Player</code> has no visual component,
 <code>getVisualComponent</code> returns <CODE>null</CODE>.
 For example, <code>getVisualComponent</code> might return
 <CODE>null</CODE> if the <code>Player</code> only plays audio.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../javax/media/Player.html#getVisualComponent()">getVisualComponent</A> in interface <A HREF="../../../../javax/media/Player.html">Player</A></DL>
</DD>
<DD><B>Tags copied from interface: <A HREF="../../../../javax/media/Player.html">Player</A></B></DD>
<DD><DL>
<DT><B>Returns:</B><DD>The media display <code>Component</code> for this
 <code>Player</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getGainControl()"><!-- --></A><H3>
getGainControl</H3>
<PRE>
public <A HREF="../../../../javax/media/GainControl.html">GainControl</A> <B>getGainControl</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <A HREF="../../../../javax/media/Player.html">Player</A></B></DD>
<DD>Gets the object for controlling this <code>Player's</code>
 audio gain. 
 If this player does not have a 
 <code>GainControl</code>, <code>getGainControl</code> returns
 <CODE>null</CODE>.  
 For example, <code>getGainControl</code> might return
 <CODE>null</CODE> if the <code>Player</code> does not play audio data.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../javax/media/Player.html#getGainControl()">getGainControl</A> in interface <A HREF="../../../../javax/media/Player.html">Player</A></DL>
</DD>
<DD><B>Tags copied from interface: <A HREF="../../../../javax/media/Player.html">Player</A></B></DD>
<DD><DL>
<DT><B>Returns:</B><DD>The <code>GainControl</code> object for this
 <code>Player</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getControlPanelComponent()"><!-- --></A><H3>
getControlPanelComponent</H3>
<PRE>
public java.awt.Component <B>getControlPanelComponent</B>()</PRE>
<DL>
<DD><B>Description copied from interface: <A HREF="../../../../javax/media/Player.html">Player</A></B></DD>
<DD>Gets the <code>Component</code> that provides the default user
 interface for controlling this <code>Player</code>.
 If this <code>Player</code> has no default control panel,
 <code>getControlPanelComponent</code> returns <CODE>null</CODE>.<DD><DL>
<DT><B>Specified by: </B><DD><A HREF="../../../../javax/media/Player.html#getControlPanelComponent()">getControlPanelComponent</A> in interface <A HREF="../../../../javax/media/Player.html">Player</A></DL>
</DD>
<DD><