format.html

JMF原版英文说明文档

<PRE>
public static final int <B>NOT_SPECIFIED</B></PRE>
<DL>
</DL>
<HR>

<A NAME="TRUE"><!-- --></A><H3>
TRUE</H3>
<PRE>
public static final int <B>TRUE</B></PRE>
<DL>
</DL>
<HR>

<A NAME="FALSE"><!-- --></A><H3>
FALSE</H3>
<PRE>
public static final int <B>FALSE</B></PRE>
<DL>
</DL>
<HR>

<A NAME="encoding"><!-- --></A><H3>
encoding</H3>
<PRE>
protected java.lang.String <B>encoding</B></PRE>
<DL>
</DL>
<HR>

<A NAME="intArray"><!-- --></A><H3>
intArray</H3>
<PRE>
public static final java.lang.Class <B>intArray</B></PRE>
<DL>
<DD>The  data object required by the <CODE>Format</CODE> is an integer array.</DL>
<HR>

<A NAME="shortArray"><!-- --></A><H3>
shortArray</H3>
<PRE>
public static final java.lang.Class <B>shortArray</B></PRE>
<DL>
<DD>The data object required by the <CODE>Format</CODE> is a short array.</DL>
<HR>

<A NAME="byteArray"><!-- --></A><H3>
byteArray</H3>
<PRE>
public static final java.lang.Class <B>byteArray</B></PRE>
<DL>
<DD>The data object required by the <CODE>Format</CODE> is a byte array.</DL>
<HR>

<A NAME="formatArray"><!-- --></A><H3>
formatArray</H3>
<PRE>
public static final java.lang.Class <B>formatArray</B></PRE>
<DL>
<DD>The data object required by the <CODE>Format</CODE> is an array of <CODE>Format</CODE> objects.</DL>
<HR>

<A NAME="dataType"><!-- --></A><H3>
dataType</H3>
<PRE>
protected java.lang.Class <B>dataType</B></PRE>
<DL>
</DL>
<HR>

<A NAME="clz"><!-- --></A><H3>
clz</H3>
<PRE>
protected java.lang.Class <B>clz</B></PRE>
<DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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<A NAME="Format(java.lang.String)"><!-- --></A><H3>
Format</H3>
<PRE>
public <B>Format</B>(java.lang.String&nbsp;encoding)</PRE>
<DL>
<DD>Constructs a <CODE>Format</CODE> that has the specified encoding type.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>encoding</CODE> - A <CODE>String</CODE> that contains the encoding 
 type of the <CODE>Format</CODE> to be constructed.</DL>
</DD>
</DL>
<HR>

<A NAME="Format(java.lang.String, java.lang.Class)"><!-- --></A><H3>
Format</H3>
<PRE>
public <B>Format</B>(java.lang.String&nbsp;encoding,
              java.lang.Class&nbsp;dataType)</PRE>
<DL>
<DD>Constructs a <CODE>Format</CODE> that has the specified encoding and data types.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>encoding</CODE> - A <CODE>String</CODE> that contains the encoding 
 type of the <CODE>Format</CODE> to be constructed.<DD><CODE>dataType</CODE> - The type of data object required by the <CODE>Format</CODE> to be constructed,
 such as:
 <CODE>byteArray</CODE>, <CODE>intArray</CODE>, or <CODE>shortArray</CODE>.
 For example, for a byte array the data type would be "<CODE>Format.byteArray</CODE>".</DL>
</DD>
</DL>

<!-- ============ METHOD DETAIL ========== -->

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<A NAME="getEncoding()"><!-- --></A><H3>
getEncoding</H3>
<PRE>
public java.lang.String <B>getEncoding</B>()</PRE>
<DL>
<DD>Gets the uniquely-qualified encoding name for this <CODE>Format</CODE>.
 <p>
 In the reference implementation of JMF, these strings follow the QuickTime 
 codec strings.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>The encoding of the <CODE>Format</CODE>.</DL>
</DD>
</DL>
<HR>

<A NAME="getDataType()"><!-- --></A><H3>
getDataType</H3>
<PRE>
public java.lang.Class <B>getDataType</B>()</PRE>
<DL>
<DD>Gets the type of the data that this <CODE>Format</CODE> requires.
 For example, for byte array it returns "<CODE>byte[].class</CODE>".<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>The data type of this <CODE>Format</CODE>.</DL>
</DD>
</DL>
<HR>

<A NAME="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(java.lang.Object&nbsp;format)</PRE>
<DL>
<DD>Checks whether or not the specified <CODE>Format</CODE> is the same as this <CODE>Format</CODE>.
 To be equal, the two <CODE>Formats</CODE> must be of the same type and all of their attributes must be the same.<DD><DL>
<DT><B>Overrides:</B><DD>equals in class java.lang.Object</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>format</CODE> - The <CODE>Format</CODE> to compare with this one.<DT><B>Returns:</B><DD><CODE>true</CODE> if the specified <CODE>Format</CODE> is the same as this one, <CODE>false</CODE> if it is not.</DL>
</DD>
</DL>
<HR>

<A NAME="matches(javax.media.Format)"><!-- --></A><H3>
matches</H3>
<PRE>
public boolean <B>matches</B>(<A HREF="../../javax/media/Format.html">Format</A>&nbsp;format)</PRE>
<DL>
<DD>Checks whether or not the specified <CODE>Format</CODE> <EM>matches</EM> this <CODE>Format</CODE>.
 Matches only compares the attributes that are defined in the specified <CODE>Format</CODE>, 
 unspecified attributes are ignored.
 <p>
 The two <CODE>Format</CODE> objects do not have to be of the same class to 
 match.  For example, if "A" are "B" are being compared, a
 match is possible if "A" is derived from "B"
 or "B" is derived from "A". (The compared attributes must still match, or <CODE>matches</CODE> fails.)<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>format</CODE> - The <CODE>Format</CODE> to compare with this one.<DT><B>Returns:</B><DD><CODE>true</CODE> if the specified <CODE>Format</CODE> matches this one, <CODE>false</CODE> if it does not.</DL>
</DD>
</DL>
<HR>

<A NAME="intersects(javax.media.Format)"><!-- --></A><H3>
intersects</H3>
<PRE>
public <A HREF="../../javax/media/Format.html">Format</A> <B>intersects</B>(<A HREF="../../javax/media/Format.html">Format</A>&nbsp;other)</PRE>
<DL>
<DD>Intersects the attributes of this format and the specified format to create
 a new <CODE>Format</code> object. The two objects being intersected should either be of the
 same type or one should be a subclass of the other. The resulting object will be
 the same type as the subclass. <P>
 Common attributes are intersected as follows: If both objects have NOT_SPECIFIED
 values for an attribute, the result will also have a NOT_SPECIFIED value. If one
 of them has a NOT_SPECIFIED value then the result will have the value that is
 specified in the other object. If both objects have specified values then the value
 in this object will be used. <P>
 Attributes that are specific to the subclass will be carried forward to the result.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>other</CODE> - The <CODE>Format</CODE> object to intersect with this 
 <CODE>Format</CODE>.<DT><B>Returns:</B><DD>A <CODE>Format</CODE> object 
 with its attributes set to those attributes common to both <CODE>Format</CODE> objects.<DT><B>See Also: </B><DD><A HREF="../../javax/media/Format.html#matches(javax.media.Format)"><CODE>matches(javax.media.Format)</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="relax()"><!-- --></A><H3>
relax</H3>
<PRE>
public <A HREF="../../javax/media/Format.html">Format</A> <B>relax</B>()</PRE>
<DL>
<DD>Generate a format that's less restrictive than this format but
 contains the basic attributes that will make this resulting format 
 useful for format matching.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A <CODE>Format</CODE> that's less restrictive than the
 this format.</DL>
</DD>
</DL>
<HR>

<A NAME="clone()"><!-- --></A><H3>
clone</H3>
<PRE>
public java.lang.Object <B>clone</B>()</PRE>
<DL>
<DD>Creates a clone of this <CODE>Format</CODE>.<DD><DL>
<DT><B>Overrides:</B><DD>clone in class java.lang.Object</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A clone of this format.</DL>
</DD>
</DL>
<HR>

<A NAME="copy(javax.media.Format)"><!-- --></A><H3>
copy</H3>
<PRE>
protected void <B>copy</B>(<A HREF="../../javax/media/Format.html">Format</A>&nbsp;f)</PRE>
<DL>
<DD>Copies the attributes from  the specified <CODE>Format</CODE> into this <CODE>Format</CODE>.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>f</CODE> - The <CODE>Format</CODE> to copy the attributes from.</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Gets a <CODE>String</CODE> representation of the <CODE>Format</CODE> attributes.
 For example: "PCM, 44.1 KHz, Stereo, Signed".<DD><DL>
<DT><B>Overrides:</B><DD>toString in class java.lang.Object</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A <CODE>String</CODE> that describes the <CODE>Format</CODE> attributes.</DL>
</DD>
</DL>
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