/*
*
* Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package javax.microedition.media;
/**
* A <code>TimeBase</code> is a constantly ticking source of time.
* It measures the progress of time and
* provides the basic means for synchronizing media playback for
* <code>Player</code>s.
* <p>
* A <code>TimeBase</code> measures time in microseconds in
* order to provide the necessary resolution for synchronization.
* It is acknowledged that some implementations may not be able to
* support time resolution in the microseconds range. For such
* implementations, the internal representation of time can be done
* within their limits.
* But the time reported via the API must be scaled to the microseconds
* range.
* <p>
* <code>Manager.getSystemTimeBase</code> provides the default
* <code>TimeBase</code> used by the system.
*
* @see Player
*/
public interface TimeBase {
/**
* Get the current time of this <code>TimeBase</code>. The values
* returned must be non-negative and non-decreasing over time.
*
* @return the current <code>TimeBase</code> time in microseconds.
*/
long getTime();
}
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