Darwin-Streaming-Server/QTFileLib/QTAtom_stss.h

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/*
*
* @APPLE_LICENSE_HEADER_START@
*
* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The 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_stss.h,v 1.1 2006/01/05 13:20:36 murata Exp $
//
// QTAtom_stss:
// The 'stss' QTAtom class.
#ifndef QTAtom_stss_H
#define QTAtom_stss_H
//
// Includes
#include "QTFile.h"
#include "QTAtom.h"
#include "MyAssert.h"
//
// QTAtom class
class QTAtom_stss : public QTAtom {
public:
//
// Constructors and destructor.
QTAtom_stss(QTFile * File, QTFile::AtomTOCEntry * Atom,
Bool16 Debug = false, Bool16 DeepDebug = false);
virtual ~QTAtom_stss(void);
//
// Initialization functions.
virtual Bool16 Initialize(void);
//
// Accessors.
void PreviousSyncSample(UInt32 SampleNumber, UInt32 *SyncSampleNumber);
void NextSyncSample(UInt32 SampleNumber, UInt32 *SyncSampleNumber);
inline Bool16 IsSyncSample(UInt32 SampleNumber, UInt32 inCursor)
{
Assert(inCursor <= fNumEntries);
for (UInt32 curEntry = inCursor; curEntry < fNumEntries; curEntry++)
{
if (fTable[curEntry] == SampleNumber)
return true;
else if (fTable[curEntry] > SampleNumber)
return false;
}
return false;
}
//
// Debugging functions.
virtual void DumpAtom(void);
virtual void DumpTable(void);
protected:
//
// Protected member variables.
UInt8 fVersion;
UInt32 fFlags; // 24 bits in the low 3 bytes
UInt32 fNumEntries;
char *fSyncSampleTable;
UInt32 *fTable; // longword-aligned version of the above
UInt32 fTableSize;
};
#endif // QTAtom_stss_H