yuvformat.html

JMF原版英文说明文档

public <B>YUVFormat</B>()</PRE>
<DL>
<DD>Constructs a <CODE>YUVFormat</CODE> object that represents all YUV formats.</DL>
<HR>

<A NAME="YUVFormat(int)"><!-- --></A><H3>
YUVFormat</H3>
<PRE>
public <B>YUVFormat</B>(int&nbsp;yuvType)</PRE>
<DL>
<DD>Constructs a <CODE>YUVFormat</CODE> object for a specific <CODE>yuvType</CODE>.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>yuvType</CODE> - The YUV type for this <CODE>YUVFormat</CODE>: YUV_411, YUV_420, 
 YUV_422, YUV_111, YUV_YVU9, or YUV_YUYV.</DL>
</DD>
</DL>
<HR>

<A NAME="YUVFormat(java.awt.Dimension, int, java.lang.Class, float, int, int, int, int, int, int)"><!-- --></A><H3>
YUVFormat</H3>
<PRE>
public <B>YUVFormat</B>(java.awt.Dimension&nbsp;size,
                 int&nbsp;maxDataLength,
                 java.lang.Class&nbsp;dataType,
                 float&nbsp;frameRate,
                 int&nbsp;yuvType,
                 int&nbsp;strideY,
                 int&nbsp;strideUV,
                 int&nbsp;offsetY,
                 int&nbsp;offsetU,
                 int&nbsp;offsetV)</PRE>
<DL>
<DD>Constructs a <CODE>YUVFormat</CODE> with the specified properties. Use this
 constructor for planar YUV formats. (YUV_411, YUV_420, 
 YUV_422, YUV_111, or YUV_YVU9.)<DD><DL>
<DT><B>Parameters:</B><DD><CODE>size</CODE> - A <CODE>Dimension</CODE> that specifies the frame size.<DD><CODE>maxDataLength</CODE> - The maximum size of the data array.<DD><CODE>dataType</CODE> - The type of the data.<DD><CODE>yuvType</CODE> - The YUV ordering type.<DD><CODE>strideY</CODE> - The number of data elements between the first Y
 component in a row and the first Y component in the next row.<DD><CODE>strideUV</CODE> - The number of data elements between the first U
 component in a row and the first U component in the next row. The
 same value is expected for the V component.<DD><CODE>offsetY</CODE> - The offset into the data array where the Y plane
 begins.<DD><CODE>offsetU</CODE> - The offset into the data array where the U plane
 begins.<DD><CODE>offsetV</CODE> - The offset into the data array where the V plane
 begins.</DL>
</DD>
</DL>

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<B>Method Detail</B></FONT></TD>
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<A NAME="getYuvType()"><!-- --></A><H3>
getYuvType</H3>
<PRE>
public int <B>getYuvType</B>()</PRE>
<DL>
<DD>Gets the YUV data format.<DD><DL>
<DT><B>Returns:</B><DD>The YUV type: YUV_411, YUV_420, 
 YUV_422, YUV_111, YUV_YVU9, or YUV_YUYV.</DL>
</DD>
</DL>
<HR>

<A NAME="getStrideY()"><!-- --></A><H3>
getStrideY</H3>
<PRE>
public int <B>getStrideY</B>()</PRE>
<DL>
<DD>Gets the Y stride--the length of a row of Y values.<DD><DL>
<DT><B>Returns:</B><DD>An integer representing the Y stride.</DL>
</DD>
</DL>
<HR>

<A NAME="getStrideUV()"><!-- --></A><H3>
getStrideUV</H3>
<PRE>
public int <B>getStrideUV</B>()</PRE>
<DL>
<DD>Gets the UV stride--the length of a row of U or V values.<DD><DL>
<DT><B>Returns:</B><DD>An integer representing the UV stride.</DL>
</DD>
</DL>
<HR>

<A NAME="getOffsetY()"><!-- --></A><H3>
getOffsetY</H3>
<PRE>
public int <B>getOffsetY</B>()</PRE>
<DL>
<DD>Gets the Y offset--the position in the data where the Y values begin.<DD><DL>
<DT><B>Returns:</B><DD>An integer representing the Y offset.</DL>
</DD>
</DL>
<HR>

<A NAME="getOffsetU()"><!-- --></A><H3>
getOffsetU</H3>
<PRE>
public int <B>getOffsetU</B>()</PRE>
<DL>
<DD>Gets the U offset--the position in the data where the U values begin.<DD><DL>
<DT><B>Returns:</B><DD>An integer representing the U offset.</DL>
</DD>
</DL>
<HR>

<A NAME="getOffsetV()"><!-- --></A><H3>
getOffsetV</H3>
<PRE>
public int <B>getOffsetV</B>()</PRE>
<DL>
<DD>Gets the V offset--the position in the data where the V values begin.<DD><DL>
<DT><B>Returns:</B><DD>An integer representing the V offset.</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>YUVFormat</CODE>.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../../../javax/media/format/VideoFormat.html#clone()">clone</A> in class <A HREF="../../../javax/media/format/VideoFormat.html">VideoFormat</A></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A clone of this <CODE>YUVFormat</CODE>.</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>YUVFormat</CODE>.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../../../javax/media/format/VideoFormat.html#copy(javax.media.Format)">copy</A> in class <A HREF="../../../javax/media/format/VideoFormat.html">VideoFormat</A></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="equals(java.lang.Object)"><!-- --></A><H3>
equals</H3>
<PRE>
public boolean <B>equals</B>(java.lang.Object&nbsp;format)</PRE>
<DL>
<DD>Compares the specified <CODE>Format</CODE> with this <code>YUVFormat</code>. 
 Returns <CODE>true</CODE> only if the specified <CODE>Format</CODE>
 is a <CODE>YUVFormat</CODE> object and all of 
 its attributes are identical to 
 the attributes in this <code>YUVFormat</code>.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../../../javax/media/format/VideoFormat.html#equals(java.lang.Object)">equals</A> in class <A HREF="../../../javax/media/format/VideoFormat.html">VideoFormat</A></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>format</CODE> - The <CODE>Format</CODE> to compare.<DT><B>Returns:</B><DD>true if the specified <CODE>Format</CODE> is the same as this one.</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>YUVFormat</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>
<DT><B>Overrides:</B><DD><A HREF="../../../javax/media/format/VideoFormat.html#matches(javax.media.Format)">matches</A> in class <A HREF="../../../javax/media/format/VideoFormat.html">VideoFormat</A></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;format)</PRE>
<DL>
<DD>Finds the attributes shared by two matching <CODE>Format</CODE> objects.
 If the specified <CODE>Format</CODE> does not match this one, the result 
 is undefined.<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../../../javax/media/format/VideoFormat.html#intersects(javax.media.Format)">intersects</A> in class <A HREF="../../../javax/media/format/VideoFormat.html">VideoFormat</A></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>The</CODE> - matching <CODE>Format</CODE> to intersect with this 
 <CODE>YUVFormat</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/YUVFormat.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>
<DT><B>Overrides:</B><DD><A HREF="../../../javax/media/format/VideoFormat.html#relax()">relax</A> in class <A HREF="../../../javax/media/format/VideoFormat.html">VideoFormat</A></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="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Gets a <CODE>String</CODE> representation of the attributes of this 
 <CODE>YUVFormat</CODE>. For example: "YUV Video Format, 352x240, ...".<DD><DL>
<DT><B>Overrides:</B><DD><A HREF="../../../javax/media/format/VideoFormat.html#toString()">toString</A> in class <A HREF="../../../javax/media/format/VideoFormat.html">VideoFormat</A></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>A <CODE>String</CODE> that describes the format attributes.</DL>
</DD>
</DL>
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