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JMF原版英文说明文档

<CODE>&nbsp;<A HREF="../../javax/media/Format.html">Format</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Codec.html#setInputFormat(javax.media.Format)">setInputFormat</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 format of the data to be input to this codec.</TD>
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<CODE>&nbsp;<A HREF="../../javax/media/Format.html">Format</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/media/Codec.html#setOutputFormat(javax.media.Format)">setOutputFormat</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 format for the data this codec outputs.</TD>
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<TD><B>Methods inherited from interface javax.media.<A HREF="../../javax/media/PlugIn.html">PlugIn</A></B></TD>
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<TD><CODE><A HREF="../../javax/media/PlugIn.html#close()">close</A>, 
<A HREF="../../javax/media/PlugIn.html#getName()">getName</A>, 
<A HREF="../../javax/media/PlugIn.html#open()">open</A>, 
<A HREF="../../javax/media/PlugIn.html#reset()">reset</A></CODE></TD>
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<TD><B>Methods inherited from interface javax.media.<A HREF="../../javax/media/Controls.html">Controls</A></B></TD>
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<TD><CODE><A HREF="../../javax/media/Controls.html#getControl(java.lang.String)">getControl</A>, 
<A HREF="../../javax/media/Controls.html#getControls()">getControls</A></CODE></TD>
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<A NAME="getSupportedInputFormats()"><!-- --></A><H3>
getSupportedInputFormats</H3>
<PRE>
public <A HREF="../../javax/media/Format.html">Format</A>[] <B>getSupportedInputFormats</B>()</PRE>
<DL>
<DD>Lists all of the input formats that this codec accepts.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>An array that contains the supported input <code>Formats</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="getSupportedOutputFormats(javax.media.Format)"><!-- --></A><H3>
getSupportedOutputFormats</H3>
<PRE>
public <A HREF="../../javax/media/Format.html">Format</A>[] <B>getSupportedOutputFormats</B>(<A HREF="../../javax/media/Format.html">Format</A>&nbsp;input)</PRE>
<DL>
<DD>Lists the output formats that this codec can generate.
 If <code>input</code> is non-null, this method lists the possible
 output formats that can be generated from input data of the specified <code>Format</code>.
 If <code>input</code> is null, this method lists
 all of the output formats supported by this plug-in.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>input</CODE> - The <code>Format</code> of the data to be used as input to the plug-in.<DT><B>Returns:</B><DD>An array that contains the supported output <code>Formats</code>.</DL>
</DD>
</DL>
<HR>

<A NAME="setInputFormat(javax.media.Format)"><!-- --></A><H3>
setInputFormat</H3>
<PRE>
public <A HREF="../../javax/media/Format.html">Format</A> <B>setInputFormat</B>(<A HREF="../../javax/media/Format.html">Format</A>&nbsp;format)</PRE>
<DL>
<DD>Sets the format of the data to be input to this codec.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>format</CODE> - The <code>Format</code> to be set.<DT><B>Returns:</B><DD>The <code>Format</code> that was set, which might be the
 supported <code>Format</code> that most closely matches the one specified. 
 Returns null if the specified <code>Format</code> is not supported and 
 no reasonable match could be found.</DL>
</DD>
</DL>
<HR>

<A NAME="setOutputFormat(javax.media.Format)"><!-- --></A><H3>
setOutputFormat</H3>
<PRE>
public <A HREF="../../javax/media/Format.html">Format</A> <B>setOutputFormat</B>(<A HREF="../../javax/media/Format.html">Format</A>&nbsp;format)</PRE>
<DL>
<DD>Sets the format for the data this codec outputs.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>format</CODE> - The <code>Format</code> to be set.<DT><B>Returns:</B><DD>The <code>Format</code> that was set, which might be the
 <code>Format</code> that most closely matched the one specified. 
 Returns null if the specified <code>Format</code> is not supported and 
 no reasonable match could be found.</DL>
</DD>
</DL>
<HR>

<A NAME="process(javax.media.Buffer, javax.media.Buffer)"><!-- --></A><H3>
process</H3>
<PRE>
public int <B>process</B>(<A HREF="../../javax/media/Buffer.html">Buffer</A>&nbsp;input,
                   <A HREF="../../javax/media/Buffer.html">Buffer</A>&nbsp;output)</PRE>
<DL>
<DD>Performs the media processing defined by this codec.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>input</CODE> - The <code>Buffer</code> that contains the media data to be processed.<DD><CODE>output</CODE> - The <code>Buffer</code> in which to store the processed media data.<DT><B>Returns:</B><DD><CODE>BUFFER_PROCESSED_OK</CODE> if the processing is successful.  Other
 possible return codes are defined in <CODE>PlugIn</CODE>.<DT><B>See Also: </B><DD><A HREF="../../javax/media/PlugIn.html"><CODE>PlugIn</CODE></A></DL>
</DD>
</DL>
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