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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 Presentation</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/Presentation.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/streaming/NewPresentationParams.html"><B>PREV CLASS</B></A> <A HREF="../../quicktime/streaming/PresIdleParams.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="Presentation.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.streaming</FONT><BR>Class Presentation</H2><PRE>java.lang.Object | +--<A HREF="../../quicktime/QTObject.html">quicktime.QTObject</A> | +--<B>quicktime.streaming.Presentation</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../quicktime/jdirect/QTStreamingLib.html">QTStreamingLib</A>, <A HREF="../../quicktime/jdirect/SharedLibrary.html">SharedLibrary</A>, com.apple.jdirect.SharedLibrary</DD></DL><HR><DL><DT>public final class <B>Presentation</B><DT>extends <A HREF="../../quicktime/QTObject.html">QTObject</A><DT>implements <A HREF="../../quicktime/jdirect/QTStreamingLib.html">QTStreamingLib</A></DL><P>The presentation class is the basis of a broadcast. It can manage one or more streams of content. Most presentation calls can refer to a specific stream or all streams if a stream is not specified.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_quicktime.jdirect.QTStreamingLib"><!-- --></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/QTStreamingLib.html">QTStreamingLib</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../quicktime/jdirect/QTStreamingLib.html#JDirect_MacOSX">JDirect_MacOSX</A>, <A HREF="../../quicktime/jdirect/QTStreamingLib.html#libraryInstance">libraryInstance</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/streaming/Presentation.html#Presentation(quicktime.streaming.NewPresentationParams)">Presentation</A></B>(<A HREF="../../quicktime/streaming/NewPresentationParams.html">NewPresentationParams</A> params)</CODE><BR> Creates a new presentation object from the presentation parameters</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/streaming/Presentation.html#addSource(quicktime.streaming.Stream, quicktime.std.comp.Component, int)">addSource</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s, <A HREF="../../quicktime/std/comp/Component.html">Component</A> sourcer, int flags)</CODE><BR> <B>Deprecated.</B> <I>use addSourcer()</I></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/streaming/Presentation.html#addSourcer(quicktime.streaming.Stream, quicktime.streaming.Sourcer, int)">addSourcer</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s, <A HREF="../../quicktime/streaming/Sourcer.html">Sourcer</A> sourcer, int flags)</CODE><BR> This method adds a source component to the presenter</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/streaming/Presentation.html#export(quicktime.streaming.ExportParams)">export</A></B>(<A HREF="../../quicktime/streaming/ExportParams.html">ExportParams</A> params)</CODE><BR> This method exports the stream settings for all streams</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/streaming/Presentation.html#export(quicktime.streaming.ExportParams, quicktime.streaming.Stream)">export</A></B>(<A HREF="../../quicktime/streaming/ExportParams.html">ExportParams</A> params, <A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method exports the stream settings</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../quicktime/streaming/Presentation.html">Presentation</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#fromData(int, quicktime.util.QTPointerRef, quicktime.streaming.PresParams)">fromData</A></B>(int dataType, <A HREF="../../quicktime/util/QTPointerRef.html">QTPointerRef</A> data, <A HREF="../../quicktime/streaming/PresParams.html">PresParams</A> params)</CODE><BR> Creates a new presentation object from data</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../quicktime/streaming/Presentation.html">Presentation</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#fromDataRef(quicktime.std.movies.media.DataRef, quicktime.streaming.PresParams)">fromDataRef</A></B>(<A HREF="../../quicktime/std/movies/media/DataRef.html">DataRef</A> ref, <A HREF="../../quicktime/streaming/PresParams.html">PresParams</A> params)</CODE><BR> (Not in carbon yet)</TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../quicktime/streaming/Presentation.html">Presentation</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#fromFile(quicktime.io.QTFile, quicktime.streaming.PresParams)">fromFile</A></B>(<A HREF="../../quicktime/io/QTFile.html">QTFile</A> file, <A HREF="../../quicktime/streaming/PresParams.html">PresParams</A> params)</CODE><BR> (Not in carbon yet)</TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getActiveSegmentDuration(quicktime.streaming.Stream)">getActiveSegmentDuration</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method gets the duration of the active segment of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> long</CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getActiveSegmentStart(quicktime.streaming.Stream)">getActiveSegmentStart</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method gets the start time of the active segment of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/qd/Region.html">Region</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getClip(quicktime.streaming.Stream)">getClip</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method retrieves the clipping region of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/qd/QDDimension.html">QDDimension</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getDimensions(quicktime.streaming.Stream)">getDimensions</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method gets the dimensions of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getEnable(quicktime.streaming.Stream)">getEnable</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method returns true if the presentation is enabled</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/streaming/Presentation.html#getFlags()">getFlags</A></B>()</CODE><BR> This method retrieves the flags associated with the presentation</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/std/image/GraphicsMode.html">GraphicsMode</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getGraphicsMode(quicktime.streaming.Stream)">getGraphicsMode</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method gets the graphics mode of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getGWorld()">getGWorld</A></B>()</CODE><BR> This method retrieves the GWorld of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/qd/QDGraphics.html">QDGraphics</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getGWorld(quicktime.streaming.Stream)">getGWorld</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method retrieves the GWorld of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/streaming/Sourcer.html">Sourcer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getIndSourcer(quicktime.streaming.Stream, int)">getIndSourcer</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s, int index)</CODE><BR> This method returns a component at a given index associated with a specific stream</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/streaming/Stream.html">Stream</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getIndStream(int)">getIndStream</A></B>(int index)</CODE><BR> This method gets a stream owned by the presentation object from an index</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/streaming/Presentation.html#getLeftVolume(quicktime.streaming.Stream)">getLeftVolume</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method gets the left volume of the presenter</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/std/image/Matrix.html">Matrix</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/streaming/Presentation.html#getMatrix(quicktime.streaming.Stream)">getMatrix</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method gets the matrix of the presenter</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/streaming/Presentation.html#getNumSourcers(quicktime.streaming.Stream)">getNumSourcers</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE><BR> This method returns the number of source components for the presenter</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/streaming/Presentation.html#getNumSources(quicktime.streaming.Stream)">getNumSources</A></B>(<A HREF="../../quicktime/streaming/Stream.html">Stream</A> s)</CODE>⌨️ 快捷键说明
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