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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 11:50:50 PDT 2002 --><TITLE>: Class SPBDevice</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/SPBDevice.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/SPB.html"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="SPBDevice.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 SPBDevice</H2><PRE>java.lang.Object | +--<A HREF="../../quicktime/QTObject.html">quicktime.QTObject</A> | +--<B>quicktime.sound.SPBDevice</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>SPBDevice</B><DT>extends <A HREF="../../quicktime/QTObject.html">QTObject</A><DT>implements <A HREF="../../quicktime/jdirect/QuickTimeLib.html">QuickTimeLib</A></DL><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/sound/SPBDevice.html#SPBDevice(java.lang.String, int)">SPBDevice</A></B>(java.lang.String deviceName, int permission)</CODE><BR> The SPBOpenDevice function attempts to open a sound input device having the name indicated by the deviceName parameter.</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> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SPBDevice.html#bytesToMilliseconds(int)">bytesToMilliseconds</A></B>(int bytes)</CODE><BR> Reports how many milliseconds are required to record the specified bytes amount of sound data, given the input device誷 current sample rate, sample size, number of channels, and compression factor.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../quicktime/sound/SPBDevice.html">SPBDevice</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SPBDevice.html#fromSoundChannel(quicktime.std.sg.SGSoundChannel)">fromSoundChannel</A></B>(<A HREF="../../quicktime/std/sg/SGSoundChannel.html">SGSoundChannel</A> sc)</CODE><BR> Get the Sound Input Driver <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QTC/imSeqGrabChanComp.13.htm#imSeqG114">QuickTime::SGGetSoundInputDriver</a> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QTC/imSeqGrabComp.12.htm#imSeqG75">QuickTime::SGGetSoundInputDriver</a> </b><BR><BR></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/SPBDevice.html#getActiveLevels()">getActiveLevels</A></B>()</CODE><BR> Get the current signal level for each active channel.</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/SPBDevice.html#getAutomaticGainControl()">getAutomaticGainControl</A></B>()</CODE><BR> Get the state of the automatic gain control.</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/SPBDevice.html#getChannelAvailable()">getChannelAvailable</A></B>()</CODE><BR> Get the maximum number of channels this device can record.</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/SPBDevice.html#getCompressionAvailable()">getCompressionAvailable</A></B>()</CODE><BR> Returns an integer (OSTypes) list containing the available compression types.</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/SPBDevice.html#getCompressionType()">getCompressionType</A></B>()</CODE><BR> Returns the current compression type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SPBDevice.html#getIndexedDevice(int)">getIndexedDevice</A></B>(int count)</CODE><BR> You can use the SPBGetIndexedDevice function to help generate a list of sound input devices.</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/sound/SPBDevice.html#getInputGain()">getInputGain</A></B>()</CODE><BR> Get the input gain level.</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/SPBDevice.html#getInputSource()">getInputSource</A></B>()</CODE><BR> Get the input Source Index.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SPBDevice.html#getInputSourceNames()">getInputSourceNames</A></B>()</CODE><BR> Get a list of the names of all the sound input sources supported by the sound input device</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/SPBDevice.html#getLevelMeterLevel()">getLevelMeterLevel</A></B>()</CODE><BR> Get the current level of the level meter.</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/SPBDevice.html#getLevelMeterOnOff()">getLevelMeterOnOff</A></B>()</CODE><BR> Get the current state of the level meter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../quicktime/sound/SPBDevice.html#getName()">getName</A></B>()</CODE><BR> Returns the name of this device.</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/SPBDevice.html#getNumberChannels()">getNumberChannels</A></B>()</CODE><BR> Returns the number of channels that this device is to record.</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/SPBDevice.html#getPlayThruOnOff()">getPlayThruOnOff</A></B>()</CODE><BR> Get the PlayThru level, 0 means it's off.</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/sound/SPBDevice.html#getSampleRate()">getSampleRate</A></B>()</CODE><BR> Gets the sample rate produced by this device.</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/sound/SPBDevice.html#getSampleRateAvailable()">getSampleRateAvailable</A></B>()</CODE><BR> Returns a float list containing the sample rates available.</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/SPBDevice.html#getSampleSize()">getSampleSize</A></B>()</CODE><BR>⌨️ 快捷键说明
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