org.red5.io.IKeyFrameMetaCache Maven / Gradle / Ivy

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package org.red5.io;

/*
 * RED5 Open Source Flash Server - http://code.google.com/p/red5/
 *
 * Copyright (c) 2006-2010 by respective authors (see below). All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License as published by the Free Software
 * Foundation; either version 2.1 of the License, or (at your option) any later
 * version.
 *
 * This library 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License along
 * with this library; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

import java.io.File;

import org.red5.io.flv.IKeyFrameDataAnalyzer.KeyFrameMeta;

/**
 * Interface defining a cache for keyframe metadata informations.
 * 
 * @author The Red5 Project ([email protected])
 * @author Joachim Bauch ([email protected])
 */
public interface IKeyFrameMetaCache {

	/**
	 * Load keyframe informations for the given file.
	 * 
	 * @param file		File to load informations for.
	 * @return The keyframe informations or null if none exist.
	 */
	public KeyFrameMeta loadKeyFrameMeta(File file);
	
	/**
	 * Store keyframe informations for the given file.
	 * 
	 * @param file		File to save informations for.
	 * @param meta		Keyframe informations for this file.
	 */
	public void saveKeyFrameMeta(File file, KeyFrameMeta meta);
	
}