182 lines
4.9 KiB
C
182 lines
4.9 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_stts.h,v 1.1 2006/01/05 13:20:36 murata Exp $
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//
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// QTAtom_stts:
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// The 'stts' QTAtom class.
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#ifndef QTAtom_stts_H
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#define QTAtom_stts_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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// Class state cookie
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class QTAtom_stts_SampleTableControlBlock {
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public:
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//
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// Constructor and destructor.
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QTAtom_stts_SampleTableControlBlock(void);
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virtual ~QTAtom_stts_SampleTableControlBlock(void);
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//
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// Reset function
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void Reset(void);
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//
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// MT->SN Sample table cache
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UInt32 fMTtSN_CurEntry;
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UInt32 fMTtSN_CurMediaTime, fMTtSN_CurSample;
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//
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/// SN->MT Sample table cache
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UInt32 fSNtMT_CurEntry;
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UInt32 fSNtMT_CurMediaTime, fSNtMT_CurSample;
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UInt32 fGetSampleMediaTime_SampleNumber;
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UInt32 fGetSampleMediaTime_MediaTime;
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};
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//
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// QTAtom class
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class QTAtom_stts : public QTAtom {
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public:
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//
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// Constructors and destructor.
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QTAtom_stts(QTFile * File, QTFile::AtomTOCEntry * Atom,
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Bool16 Debug = false, Bool16 DeepDebug = false);
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virtual ~QTAtom_stts(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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Bool16 MediaTimeToSampleNumber(UInt32 MediaTime, UInt32 * SampleNumber,
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QTAtom_stts_SampleTableControlBlock * STCB);
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Bool16 SampleNumberToMediaTime(UInt32 SampleNumber, UInt32 * MediaTime,
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QTAtom_stts_SampleTableControlBlock * STCB);
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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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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 fNumEntries;
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char *fTimeToSampleTable;
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UInt32 fTableSize;
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};
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//
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// Class state cookie
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class QTAtom_ctts_SampleTableControlBlock {
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public:
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//
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// Constructor and destructor.
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QTAtom_ctts_SampleTableControlBlock(void);
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virtual ~QTAtom_ctts_SampleTableControlBlock(void);
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//
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// Reset function
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void Reset(void);
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//
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// MT->SN Sample table cache
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UInt32 fMTtSN_CurEntry;
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UInt32 fMTtSN_CurMediaTime, fMTtSN_CurSample;
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//
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/// SN->MT Sample table cache
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UInt32 fSNtMT_CurEntry;
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UInt32 fSNtMT_CurMediaTime, fSNtMT_CurSample;
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UInt32 fGetSampleMediaTime_SampleNumber;
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UInt32 fGetSampleMediaTime_MediaTime;
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};
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//
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// QTAtom class
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class QTAtom_ctts : public QTAtom {
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public:
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//
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// Constructors and destructor.
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QTAtom_ctts(QTFile * File, QTFile::AtomTOCEntry * Atom,
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Bool16 Debug = false, Bool16 DeepDebug = false);
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virtual ~QTAtom_ctts(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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Bool16 MediaTimeToSampleNumber(UInt32 MediaTime, UInt32 * SampleNumber,
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QTAtom_ctts_SampleTableControlBlock * STCB);
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Bool16 SampleNumberToMediaTimeOffset(UInt32 SampleNumber, UInt32 * MediaTimeOffset,
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QTAtom_ctts_SampleTableControlBlock * STCB);
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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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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 fNumEntries;
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char *fTimeToSampleTable;
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};
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#endif // QTAtom_stts_H
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