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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 11:50:49 PDT 2002 --><TITLE>: Class SndChannel</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/SndChannel.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/sound/SCStatus.html"><B>PREV CLASS</B></A> <A HREF="../../quicktime/sound/SndCommand.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="SndChannel.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.sound</FONT><BR>Class SndChannel</H2><PRE>java.lang.Object | +--<A HREF="../../quicktime/QTObject.html">quicktime.QTObject</A> | +--<B>quicktime.sound.SndChannel</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../quicktime/jdirect/InterfaceLib.html">InterfaceLib</A>, <A HREF="../../quicktime/jdirect/SharedLibrary.html">SharedLibrary</A>, com.apple.jdirect.SharedLibrary, <A HREF="../../quicktime/jdirect/SoundLib.html">SoundLib</A></DD></DL><HR><DL><DT>public final class <B>SndChannel</B><DT>extends <A HREF="../../quicktime/QTObject.html">QTObject</A><DT>implements <A HREF="../../quicktime/jdirect/InterfaceLib.html">InterfaceLib</A>, <A HREF="../../quicktime/jdirect/SoundLib.html">SoundLib</A></DL><P>Sound Channels are used to playback sound.<P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_quicktime.jdirect.InterfaceLib"><!-- --></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/InterfaceLib.html">InterfaceLib</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../quicktime/jdirect/InterfaceLib.html#JDirect_MacOSX">JDirect_MacOSX</A>, <A HREF="../../quicktime/jdirect/InterfaceLib.html#libraryInstance">libraryInstance</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_quicktime.jdirect.SoundLib"><!-- --></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/SoundLib.html">SoundLib</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../quicktime/jdirect/SoundLib.html#JDirect_MacOSX">JDirect_MacOSX</A>, <A HREF="../../quicktime/jdirect/SoundLib.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/sound/SndChannel.html#SndChannel()">SndChannel</A></B>()</CODE><BR> Opens a new SndChannel and allocates memory to store the commands that will control the operation of the sound channel.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../quicktime/sound/SndChannel.html#SndChannel(int, int)">SndChannel</A></B>(int synth, int init)</CODE><BR> Opens a new SndChannel and allocates memory to store the commands that will control the operation of the sound channel.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../quicktime/sound/SndChannel.html#SndChannel(int, int, quicktime.sound.SoundCallBack)">SndChannel</A></B>(int synth, int init, <A HREF="../../quicktime/sound/SoundCallBack.html">SoundCallBack</A> callback)</CODE><BR> Opens a new SndChannel and allocates memory to store the commands that will control the operation of the sound channel.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../quicktime/sound/SndChannel.html#SndChannel(quicktime.sound.SoundCallBack)">SndChannel</A></B>(<A HREF="../../quicktime/sound/SoundCallBack.html">SoundCallBack</A> callback)</CODE><BR> Opens a new SndChannel and allocates memory to store the commands that will control the operation of the sound 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/sound/SndChannel.html#doCommand(quicktime.sound.SndCommand)">doCommand</A></B>(<A HREF="../../quicktime/sound/SndCommand.html">SndCommand</A> cmd)</CODE><BR> The SndDoCommand function sends the sound command specified in the cmd parameter to the end of the command queue of the channel specified in the chan parameter.</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/sound/SndChannel.html#doCommand(quicktime.sound.SndCommand, boolean)">doCommand</A></B>(<A HREF="../../quicktime/sound/SndCommand.html">SndCommand</A> cmd, boolean noWait)</CODE><BR> The SndDoCommand function sends the sound command specified in the cmd parameter to the end of the command queue of the channel specified in the chan parameter.</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/sound/SndChannel.html#doImmediate(quicktime.sound.SndCommand)">doImmediate</A></B>(<A HREF="../../quicktime/sound/SndCommand.html">SndCommand</A> cmd)</CODE><BR> The SndDoImmediate function operates much like SndDoCommand, except that it bypasses the existing command queue of the sound channel and sends the specified command directly to the Sound Manager for immediate processing.</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/sound/SndChannel.html#enableClock(boolean)">enableClock</A></B>(boolean flag)</CODE><BR> Returns the current clock of the SoundClock.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/std/movies/media/LevelMeterInfo.html">LevelMeterInfo</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SndChannel.html#getActiveLevels()">getActiveLevels</A></B>()</CODE><BR> Gets the level values.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/std/clocks/Clock.html">Clock</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SndChannel.html#getClock()">getClock</A></B>()</CODE><BR> Returns the current clock of the SoundClock.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../quicktime/std/movies/media/MediaEQSpectrumBands.html">MediaEQSpectrumBands</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SndChannel.html#getEQSpectrumBands(int)">getEQSpectrumBands</A></B>(int count)</CODE><BR> Pass in the count of bands you expect to get back, it would return the the actual value of bands available with their frequncy limits.</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/sound/SndChannel.html#getEQSpectrumLevels(int)">getEQSpectrumLevels</A></B>(int count)</CODE><BR> Gets the Equalizer Band Levels.</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/sound/SndChannel.html#getEQToneControlGain()">getEQToneControlGain</A></B>()</CODE><BR> Gets the values of the bass and treble tone control gain values.</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/sound/SndChannel.html#getEQToneControlOnOff()">getEQToneControlOnOff</A></B>()</CODE><BR> Returns true if the tone control (bass and treble) are enabled.</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/sound/SndChannel.html#getLevelMeterOnOff()">getLevelMeterOnOff</A></B>()</CODE><BR> Gets Level Meter state.</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/sound/SndChannel.html#isFinished()">isFinished</A></B>()</CODE><BR> Returns true if the channel is both NOT busy and NOT paused - ie.</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/sound/SndChannel.html#isPaused()">isPaused</A></B>()</CODE><BR> Returns true if the channel is currently paused.</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/sound/SndChannel.html#isQuietNow()">isQuietNow</A></B>()</CODE><BR>⌨️ 快捷键说明
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