93 lines
3 KiB
C
93 lines
3 KiB
C
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/*
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*
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*/
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// $Id: QTAtom_stsz.h,v 1.1 2006/01/05 13:20:36 murata Exp $
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//
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// QTAtom_stsz:
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// The 'stsz' QTAtom class.
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#ifndef QTAtom_stsz_H
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#define QTAtom_stsz_H
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//
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// Includes
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#include "QTFile.h"
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#include "QTAtom.h"
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//
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// QTAtom class
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class QTAtom_stsz : public QTAtom {
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public:
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//
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// Constructors and destructor.
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QTAtom_stsz(QTFile * File, QTFile::AtomTOCEntry * Atom,
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Bool16 Debug = false, Bool16 DeepDebug = false);
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virtual ~QTAtom_stsz(void);
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//
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// Initialization functions.
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virtual Bool16 Initialize(void);
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//
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// Accessors.
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inline Bool16 SampleSize(UInt32 SampleNumber, UInt32 *Size = NULL) \
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{ if(fCommonSampleSize) { \
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if( Size != NULL ) \
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*Size = fCommonSampleSize; \
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return true; \
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} else if(SampleNumber && (SampleNumber<=fNumEntries)) { \
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if( Size != NULL ) \
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*Size = ntohl(fTable[SampleNumber-1]); \
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return true; \
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} else \
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return false; \
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};
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Bool16 SampleRangeSize(UInt32 firstSampleNumber, UInt32 lastSampleNumber, UInt32 *sizePtr);
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//
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// Debugging functions.
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virtual void DumpAtom(void);
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virtual void DumpTable(void);
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inline UInt32 GetNumEntries() {return fNumEntries;}
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inline UInt32 GetCommonSampleSize() {return fCommonSampleSize;}
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protected:
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//
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// Protected member variables.
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UInt8 fVersion;
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UInt32 fFlags; // 24 bits in the low 3 bytes
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UInt32 fCommonSampleSize;
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UInt32 fNumEntries;
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char *fSampleSizeTable;
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UInt32 *fTable; // longword-aligned version of the above
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};
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#endif // QTAtom_stsz_H
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