/*
 *
 * @APPLE_LICENSE_HEADER_START@
 *
 * Copyright (c) 1999-2001 Apple Computer, Inc.  All Rights Reserved. The
 * contents of this file constitute Original Code as defined in and are
 * subject to the Apple Public Source License Version 1.2 (the 'License').
 * You may not use this file except in compliance with the License.  Please
 * obtain a copy of the License at http://www.apple.com/publicsource and
 * read it before using this file.
 *
 * This Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.  Please
 * see the License for the specific language governing rights and
 * limitations under the License.
 *
 *
 * @APPLE_LICENSE_HEADER_END@
 *
 */
// $Id: QTAtom_elst.h,v 1.4 2001/03/13 22:24:29 murata Exp $
//
// QTAtom_elst:
//   The 'elst' QTAtom class.

#ifndef QTAtom_elst_H
#define QTAtom_elst_H


//
// Includes
#include "QTFile.h"
#include "QTAtom.h"


//
// External classes
class QTFile_FileControlBlock;


//
// QTAtom class
class QTAtom_elst : public QTAtom {
	//
	// Class typedefs.
	struct EditListEntry {
		// Edit information
		UInt32			EditDuration;
		SInt32			StartingMediaTime;
		UInt32			EditMediaRate;
	};


public:
	//
	// Constructors and destructor.
						QTAtom_elst(QTFile * File, QTFile::AtomTOCEntry * Atom,
							   Bool16 Debug = false, Bool16 DeepDebug = false);
	virtual				~QTAtom_elst(void);


	//
	// Initialization functions.
	virtual	Bool16		Initialize(void);

	//
	// Accessors.
	inline	UInt32		FirstEditMovieTime(void) { return fFirstEditMovieTime; }


	//
	// Debugging functions.
	virtual	void		DumpAtom(void);


protected:
	//
	// Protected member variables.
	UInt8		fVersion;
	UInt32		fFlags; // 24 bits in the low 3 bytes

	UInt32			fNumEdits;
	EditListEntry	*fEdits;
	
	UInt32		fFirstEditMovieTime;
};

#endif // QTAtom_elst_H
