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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Mon Jul 15 11:51:01 PDT 2002 --><TITLE>: Class SGVideoChannel</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/SGVideoChannel.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../quicktime/std/sg/SGTextChannel.html"><B>PREV CLASS</B></A> <A HREF="../../../quicktime/std/sg/SGVideoCompressorInfo.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="SGVideoChannel.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">quicktime.std.sg</FONT><BR>Class SGVideoChannel</H2><PRE>java.lang.Object | +--<A HREF="../../../quicktime/QTObject.html">quicktime.QTObject</A> | +--<A HREF="../../../quicktime/std/comp/ComponentIdentifier.html">quicktime.std.comp.ComponentIdentifier</A> | +--<A HREF="../../../quicktime/std/comp/Component.html">quicktime.std.comp.Component</A> | +--<A HREF="../../../quicktime/std/sg/SGChannel.html">quicktime.std.sg.SGChannel</A> | +--<A HREF="../../../quicktime/std/sg/VisualChannel.html">quicktime.std.sg.VisualChannel</A> | +--<B>quicktime.std.sg.SGVideoChannel</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../quicktime/jdirect/InterfaceLib.html">InterfaceLib</A>, <A HREF="../../../quicktime/jdirect/PrimitivesLib.html">PrimitivesLib</A>, <A HREF="../../../quicktime/jdirect/QuickTimeLib.html">QuickTimeLib</A>, <A HREF="../../../quicktime/jdirect/SharedLibrary.html">SharedLibrary</A>, com.apple.jdirect.SharedLibrary</DD></DL><HR><DL><DT>public final class <B>SGVideoChannel</B><DT>extends <A HREF="../../../quicktime/std/sg/VisualChannel.html">VisualChannel</A><DT>implements <A HREF="../../../quicktime/jdirect/QuickTimeLib.html">QuickTimeLib</A></DL><P>Assists in importing video into a movie. The SGChannel implements methods for a corresponding QuickTime ComponentInstance structure. Refer to SGChannel in QuickTime Components <BR><P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_quicktime.jdirect.QuickTimeLib"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface quicktime.jdirect.<A HREF="../../../quicktime/jdirect/QuickTimeLib.html">QuickTimeLib</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../quicktime/jdirect/QuickTimeLib.html#JDirect_MacOSX">JDirect_MacOSX</A>, <A HREF="../../../quicktime/jdirect/QuickTimeLib.html#libraryInstance">libraryInstance</A>, <A HREF="../../../quicktime/jdirect/QuickTimeLib.html#name">name</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#SGVideoChannel(quicktime.std.sg.SequenceGrabber)">SGVideoChannel</A></B>(<A HREF="../../../quicktime/std/sg/SequenceGrabber.html">SequenceGrabber</A> owner)</CODE><BR> Creates a sequence grabber channel and assigns a channel component to the channel.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#digitizerChanged()">digitizerChanged</A></B>()</CODE><BR> Allows you to notify the sequence grabber component whenever you change the configuration of a video channel's video digitizer.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/sg/SGVideoCompressorInfo.html">SGVideoCompressorInfo</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#getCompressor()">getCompressor</A></B>()</CODE><BR> Get a channel誷 current image-compression parameters.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#getCompressorType()">getCompressorType</A></B>()</CODE><BR> Get the Video Compressor Type <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QTC/imSeqGrabChanComp.12.htm#imSeqG67">QuickTime::SGGetVideoCompressorType</a> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QTC/imSeqGrabComp.11.htm#imSeqG31">QuickTime::SGGetVideoCompressorType</a> </b><BR><BR></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/sg/VideoDigitizer.html">VideoDigitizer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#getDigitizerComponent()">getDigitizerComponent</A></B>()</CODE><BR> Allows you to determine the video digitizer component that is providing source video to a video channel component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> float</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#getFrameRate()">getFrameRate</A></B>()</CODE><BR> The SGGetFrameRate function allows you to retrieve a video channel誷 frame rate for recording.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/std/image/ImageDescription.html">ImageDescription</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#getImageDescription()">getImageDescription</A></B>()</CODE><BR> This method allows you to retrieve a music sample description from the SGChannel.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd/QDRect.html">QDRect</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#getSrcVideoBounds()">getSrcVideoBounds</A></B>()</CODE><BR> Allows you to determine the size of the source video boundary rectangle.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../quicktime/qd/QDRect.html">QDRect</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#getVideoRect()">getVideoRect</A></B>()</CODE><BR> Allows you to determine the portion of the source video image that is to be captured.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../quicktime/std/sg/SGVideoChannel.html#setCompressor(int, quicktime.std.image.Compressor, int, int, int)">setCompressor</A></B>(int depth, <A HREF="../../../quicktime/std/image/Compressor.html">Compressor</A> compressor, int spatialQuality, int temporalQuality, int keyFrameRate)</CODE><BR> Set a channel誷 current image-compression parameters.</TD>⌨️ 快捷键说明
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