buffer.html

JMF原版英文说明文档

 
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<TD><CODE><B><A HREF="../../javax/media/Buffer.html#Buffer()">Buffer</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<!-- ========== METHOD SUMMARY =========== -->

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<B>Method Summary</B></FONT></TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#clone()">clone</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Clone a buffer.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#copy(javax.media.Buffer)">copy</A></B>(<A HREF="../../javax/media/Buffer.html">Buffer</A>&nbsp;buffer)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Copy the attributes from the specified <CODE>Buffer</CODE> into this
 <CODE>Buffer</CODE></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getData()">getData</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the internal data object that holds the media chunk contained in this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getDuration()">getDuration</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the duration of this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getFlags()">getFlags</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the mask of the flags set for this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../javax/media/Format.html">Format</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getFormat()">getFormat</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get the <CODE>Format</CODE> of the data in this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.lang.Object</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getHeader()">getHeader</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the header information for the media chunk contained in this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getLength()">getLength</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the length of the valid data in this <CODE>Buffer</CODE> if the data is held in an array.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getOffset()">getOffset</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If the media chunk for this <CODE>Buffer</CODE> is held in an array, gets the 
 offset into the data array where the valid data begins.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getSequenceNumber()">getSequenceNumber</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the sequence number of this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#getTimeStamp()">getTimeStamp</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the time stamp of this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#isDiscard()">isDiscard</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Checks whether or not this <CODE>Buffer</CODE> is to be discarded.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#isEOM()">isEOM</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Checks whether or not this <CODE>Buffer</CODE> marks the end of the media stream.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setData(java.lang.Object)">setData</A></B>(java.lang.Object&nbsp;data)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the internal data object that holds the media chunk.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setDiscard(boolean)">setDiscard</A></B>(boolean&nbsp;discard)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the DISCARD flag for this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setDuration(long)">setDuration</A></B>(long&nbsp;duration)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the duration of this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setEOM(boolean)">setEOM</A></B>(boolean&nbsp;eom)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the EOM flag for this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setFlags(int)">setFlags</A></B>(int&nbsp;flags)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the flag mask for this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setFormat(javax.media.Format)">setFormat</A></B>(<A HREF="../../javax/media/Format.html">Format</A>&nbsp;format)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the <CODE>Format</CODE> of the data in this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setHeader(java.lang.Object)">setHeader</A></B>(java.lang.Object&nbsp;header)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the header information for the media chunk.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setLength(int)">setLength</A></B>(int&nbsp;length)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the length of the valid data stored in this <CODE>Buffer</CODE> if the data 
 is held in an array.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setOffset(int)">setOffset</A></B>(int&nbsp;offset)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If the media chunk for this <CODE>Buffer</CODE> is held in an array, 
 sets the  offset into the array where the valid data begins.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setSequenceNumber(long)">setSequenceNumber</A></B>(long&nbsp;number)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the sequence number of this <CODE>Buffer</CODE>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Buffer.html#setTimeStamp(long)">setTimeStamp</A></B>(long&nbsp;timeStamp)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the time stamp of this <CODE>Buffer</CODE>.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class java.lang.Object</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>equals, 
finalize, 
getClass, 
hashCode, 
notify, 
notifyAll, 
toString, 
wait, 
wait, 
wait</CODE></TD>
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</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="timeStamp"><!-- --></A><H3>
timeStamp</H3>
<PRE>
protected long <B>timeStamp</B></PRE>
<DL>
<DD>The time stamp of the data held in this <CODE>Buffer</CODE>, in nanoseconds.
 The time stamp marks the time when presentation of this <CODE>Buffer</CODE> is to begin.
 If the start time for this <CODE>Buffer</CODE> is not known, this time stamp is set to 
 <CODE>TIME_UNKNOWN</CODE>.</DL>
<HR>

<A NAME="duration"><!-- --></A><H3>
duration</H3>
<PRE>
protected long <B>duration</B></PRE>
<DL>
<DD>The duration of the data held in this <CODE>Buffer</CODE>, in nanoseconds.
 The duration specifies how long it will take for this <CODE>Buffer</CODE>
 to be presented when the playback rate is 1.0.
 If the duration for this <CODE>Buffer</CODE> is not known, it is set to 
 <CODE>TIME_UNKNOWN</CODE>.</DL>
<HR>

<A NAME="format"><!-- --></A><H3>
format</H3>
<PRE>
protected <A HREF="../../javax/media/Format.html">Format</A> <B>format</B></PRE>
<DL>
<DD>The <CODE>Format</CODE> of the chunk of data in this <CODE>Buffer</CODE>.</DL>
<HR>

<A NAME="flags"><!-- --></A><H3>
flags</H3>
<PRE>
protected int <B>flags</B></PRE>
<DL>
<DD>A flag mask that describes the boolean attributes
 enabled for this <CODE>Buffer</CODE>.
 This mask is set to the logical sum of all of the flags that are
 set.<DD><DL>
<DT><B>See Also: </B><DD><A HREF="../../javax/media/Buffer.html#FLAG_EOM"><CODE>FLAG_EOM</CODE></A>, 
<A HREF="../../javax/media/Buffer.html#FLAG_DISCARD"><CODE>FLAG_DISCARD</CODE></A>, 
<A HREF="../../javax/media/Buffer.html#FLAG_SILENCE"><CODE>FLAG_SILENCE</CODE></A>, 
<A HREF="../../javax/media/Buffer.html#FLAG_SID"><CODE>FLAG_SID</CODE></A>, 
<A HREF="../../javax/media/Buffer.html#FLAG_KEY_FRAME"><CODE>FLAG_KEY_FRAME</CODE></A>, 
<A HREF="../../javax/media/Buffer.html#FLAG_NO_DROP"><CODE>FLAG_NO_DROP</CODE></A>, 
<A HREF="../../javax/media/Buffer.html#FLAG_NO_WAIT"><CODE>FLAG_NO_WAIT</CODE></A>,