track.html

这个是java的quicktime for java 的详细使用文档

<DD>This method allows the media to limit the size of the track boundary rectangle.  Therefore, the region 
 returned by GetTrackBoundsRgn may not be rectangular and may be smaller than the track boundary region.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.32.htm#iqMovi687">QuickTime::GetTrackBoundsRgn()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>a Region object specifying the region track's media uses to do drawing.</DL>
</DD>
</DL>
<HR>

<A NAME="getID()"><!-- --></A><H3>
getID</H3>
<PRE>
public int <B>getID</B>()
          throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to determine a track's unique track ID value.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.38.htm#iqMovi814">QuickTime::GetTrackID()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the track's ID value.</DL>
</DD>
</DL>
<HR>

<A NAME="getCreationTime()"><!-- --></A><H3>
getCreationTime</H3>
<PRE>
public int <B>getCreationTime</B>()
                    throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method returns a track's creation date.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.3b.htm#iqMovi875">QuickTime::GetTrackCreationTime()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the track's creation date.</DL>
</DD>
</DL>
<HR>

<A NAME="getModificationTime()"><!-- --></A><H3>
getModificationTime</H3>
<PRE>
public int <B>getModificationTime</B>()
                        throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method returns a track's modification date.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.3b.htm#iqMovi878">QuickTime::GetTrackModificationTime()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the track's modification date.</DL>
</DD>
</DL>
<HR>

<A NAME="getEnabled()"><!-- --></A><H3>
getEnabled</H3>
<PRE>
public boolean <B>getEnabled</B>()
                   throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to determine whether a track is currently enabled.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.2d.htm#iqMovi567">QuickTime::GetTrackEnabled()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if the track is enabled and false if the track is disabled.</DL>
</DD>
</DL>
<HR>

<A NAME="setEnabled(boolean)"><!-- --></A><H3>
setEnabled</H3>
<PRE>
public void <B>setEnabled</B>(boolean&nbsp;enabled)
                throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to enable and disable a track. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.2d.htm#iqMovi563">QuickTime::SetTrackEnabled()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>enabled</CODE> - Enables or disables the track. Set this parameter to true 
 to enable the track. Set this parameter to false to disable the track.</DL>
</DD>
</DL>
<HR>

<A NAME="getUsage()"><!-- --></A><H3>
getUsage</H3>
<PRE>
public int <B>getUsage</B>()
             throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to determine whether a track is used in a movie, 
 its preview, its poster, or a combination of these.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.29.htm#iqMovi440">QuickTime::GetTrackUsage()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>flags indicating the track's usage.</DL>
</DD>
</DL>
<HR>

<A NAME="setUsage(int)"><!-- --></A><H3>
setUsage</H3>
<PRE>
public void <B>setUsage</B>(int&nbsp;usage)
              throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to specify whether a track is used in a movie, 
 its preview, its poster, or a combination of these.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.29.htm#iqMovi437">QuickTime::SetTrackUsage()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>usage</CODE> - Contains flags that specify how the track is to be used.</DL>
</DD>
</DL>
<HR>

<A NAME="getDuration()"><!-- --></A><H3>
getDuration</H3>
<PRE>
public int <B>getDuration</B>()
                throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method returns the duration of a track. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.35.htm#iqMovi770">QuickTime::GetTrackDuration()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the duration of a track.</DL>
</DD>
</DL>
<HR>

<A NAME="getOffset()"><!-- --></A><H3>
getOffset</H3>
<PRE>
public int <B>getOffset</B>()
              throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to determine the time difference between the start of a track 
 and the start of the movie that contains the track. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.35.htm#iqMovi776">QuickTime::GetTrackOffset()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the track's offset from the start of the movie</DL>
</DD>
</DL>
<HR>

<A NAME="setOffset(int)"><!-- --></A><H3>
setOffset</H3>
<PRE>
public void <B>setOffset</B>(int&nbsp;movieOffsetTime)
               throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method modifies the duration of the empty space that lies at the beginning of 
 the track, thus changing the duration of the entire track.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.35.htm#iqMovi773">QuickTime::SetTrackOffset()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>movieOffsetTime</CODE> - Specifies the track's offset from the start of the movie, and must be expressed 
 in the time scale of the movie that contains the track.</DL>
</DD>
</DL>
<HR>

<A NAME="getLayer()"><!-- --></A><H3>
getLayer</H3>
<PRE>
public int <B>getLayer</B>()
             throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to retrieve a track's layer. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.32.htm#iqMovi653">QuickTime::GetTrackLayer()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the track's layer number.</DL>
</DD>
</DL>
<HR>

<A NAME="setLayer(int)"><!-- --></A><H3>
setLayer</H3>
<PRE>
public void <B>setLayer</B>(int&nbsp;layer)
              throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to set a track's layer. 
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.32.htm#iqMovi649">QuickTime::SetTrackLayer()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>layer</CODE> - Specifies the track's layer number.</DL>
</DD>
</DL>
<HR>

<A NAME="getAlternate()"><!-- --></A><H3>
getAlternate</H3>
<PRE>
public <A HREF="../../../quicktime/std/movies/Track.html">Track</A> <B>getAlternate</B>()
                   throws <A HREF="../../../quicktime/QTException.html">QTException</A></PRE>
<DL>
<DD>This method allows your application to determine all the tracks in an alternate group.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.39.htm#iqMovi840">QuickTime::GetTrackAlternate()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the Track object of the next track in the group.</DL>
</DD>
</DL>
<HR>

<A NAME="setAlternate(quicktime.std.movies.Track)"><!-- --></A><H3>
setAlternate</H3>
<PRE>
public void <B>setAlternate</B>(<A HREF="../../../quicktime/std/movies/Track.html">Track</A>&nbsp;alternateT)
                  throws <A HREF="../../../quicktime/std/StdQTException.html">StdQTException</A></PRE>
<DL>
<DD>This method allows your application to add tracks to or remove tracks from alternate groups.
	 <BR><BR><b> <a href="http://developer.apple.com/techpubs/quicktime/qtdevdocs/INMAC/QT/iqMovieToolbox.39.htm#iqMovi837">QuickTime::SetTrackAlternate()</a> </b><BR><BR>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>alternateT</CODE> - Controls whether the function adds the track to a group or removes it from a group.</DL>
</DD>
</DL>
<HR>

<A NAME="getVolume()"><!-- --></A><H3>
getVolume</H3>
<PRE>
public float