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A standalone RTMP client library ported from the Red5 project
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package org.red5.io.flv;

/*
 * 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.FileNotFoundException;
import java.io.IOException;
import java.util.Map;

import org.red5.io.IStreamableFile;
import org.red5.io.ITagReader;
import org.red5.io.ITagWriter;
//import org.red5.server.cache.ICacheStore;

/**
 * Represents FLV file
 */
public interface IFLV extends IStreamableFile {

	/**
	 * Returns a boolean stating whether the flv has metadata
	 * 
	 * @return boolean        true if file has injected metadata, false otherwise
	 */
	public boolean hasMetaData();

	/**
	 * Sets the metadata
	 * 
	 * @param metadata                   Metadata object
	 * @throws FileNotFoundException     File not found
	 * @throws IOException               Any other I/O exception
	 */
	@SuppressWarnings({ "rawtypes" })
	public void setMetaData(IMetaData metadata) throws FileNotFoundException,
			IOException;

	/**
	 * Sets the MetaService through Spring
	 * 
	 * @param service                    Metadata service
	 */
	public void setMetaService(IMetaService service);

	/**
	 * Returns a map of the metadata
	 * 
	 * @return metadata                  File metadata
	 * @throws FileNotFoundException     File not found
	 */
	@SuppressWarnings({ "rawtypes" })
	public IMetaData getMetaData() throws FileNotFoundException;

	/**
	 * Returns a boolean stating whether a flv has keyframedata
	 * 
	 * @return boolean                   true if file has keyframe metadata, false otherwise
	 */
	public boolean hasKeyFrameData();

	/**
	 * Sets the keyframe data of a flv file
	 * 
	 * @param keyframedata              Keyframe metadata
	 */
	@SuppressWarnings({ "rawtypes" })
	public void setKeyFrameData(Map keyframedata);

	/**
	 * Gets the keyframe data
	 * 
	 * @return keyframedata             Keyframe metadata
	 */
	@SuppressWarnings({ "rawtypes" })
	public Map getKeyFrameData();

	/**
	 * Refreshes the headers. Usually used after data is added to the flv file
	 * 
	 * @throws IOException              Any I/O exception
	 */
	public void refreshHeaders() throws IOException;

	/**
	 * Flushes Header
	 * 
	 * @throws IOException              Any I/O exception
	 */
	public void flushHeaders() throws IOException;

	/**
	 * Returns a Reader closest to the nearest keyframe
	 * 
	 * @param seekPoint                Point in file we are seeking around
	 * @return reader                  Tag reader closest to that point
	 */
	public ITagReader readerFromNearestKeyFrame(int seekPoint);

	/**
	 * Returns a Writer based on the nearest key frame
	 * 
	 * @param seekPoint                Point in file we are seeking around
	 * @return writer                  Tag writer closest to that point
	 */
	public ITagWriter writerFromNearestKeyFrame(int seekPoint);

	/**
	 * Sets the caching implemenation
	 * 
	 * @param cache cache
	 */
//	public void setCache(ICacheStore cache);
}