qtatmmgs_inline.h
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上传日期:2007-06-06
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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: RCSL 1.0/RPSL 1.0
- *
- * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved.
- *
- * The contents of this file, and the files included with this file, are
- * subject to the current version of the RealNetworks Public Source License
- * Version 1.0 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the RealNetworks Community Source License Version 1.0
- * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl,
- * in which case the RCSL will apply. You may also obtain the license terms
- * directly from RealNetworks. You may not use this file except in
- * compliance with the RPSL or, if you have a valid RCSL with RealNetworks
- * applicable to this file, the RCSL. Please see the applicable RPSL or
- * RCSL for the rights, obligations and limitations governing use of the
- * contents of the file.
- *
- * This file is part of the Helix DNA Technology. RealNetworks is the
- * developer of the Original Code and owns the copyrights in the portions
- * it created.
- *
- * This file, and the files included with this file, is distributed and made
- * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- *
- * Technology Compatibility Kit Test Suite(s) Location:
- * http://www.helixcommunity.org/content/tck
- *
- * Contributor(s):
- *
- * ***** END LICENSE BLOCK ***** */
- #ifndef QTATMMGS_INLINE_H
- #define QTATMMGS_INLINE_H
- /****************************************************************************
- * Time To Sample Manager
- */
- /****************************************************************************
- * AdvanceSyncSampleNumber
- */
- BOOL CQT_TimeToSample_Manager::AdvanceSyncSampleNumber(void)
- {
- if (m_ulNumSyncEntries == 0)
- {
- m_ulSyncSampleNumber = m_ulSampleNumber;
- return TRUE;
- }
-
- if (m_ulSyncSampleNumber >= m_ulSampleNumber)
- {
- return TRUE;
- }
- m_ulCurrentSyncEntryIdx++;
- if (m_ulCurrentSyncEntryIdx < m_ulNumSyncEntries)
- {
- m_ulSyncSampleNumber = m_pSyncSampleAtom->
- Get_SampleNum(m_ulCurrentSyncEntryIdx) + m_ulKeyFrameNumOffset;
- return TRUE;
- }
- return TRUE;
- }
- /****************************************************************************
- * AdvanceCompBySample
- */
- BOOL CQT_TimeToSample_Manager::AdvanceCompBySample(void)
- {
- if (m_ulNumCompEntries == 0)
- {
- return TRUE;
- }
-
- do
- {
- if (m_ulSamplesLeftInCompEntry > 0)
- {
- m_ulCompSampleNumber++;
- m_ulSamplesLeftInCompEntry--;
- return TRUE; // Success
- }
-
- m_ulCurrentCompEntryIdx++;
-
- if (m_ulCurrentCompEntryIdx < m_ulNumCompEntries)
- {
- m_ulSamplesLeftInCompEntry = m_pCompOffsetAtom->
- Get_SampleCount(m_ulCurrentCompEntryIdx);
- m_ulCompOffset = m_pCompOffsetAtom->
- Get_SampleOffset(m_ulCurrentCompEntryIdx);
- }
- else
- {
- m_ulCurrentCompEntryIdx--;
- break;
- }
- } while(1);
-
- return FALSE; // Failure
- }
- /****************************************************************************
- * AdvanceCompBySample
- */
- BOOL CQT_TimeToSample_Manager::AdvanceBySample(void)
- {
- AdvanceCompBySample();
-
- do
- {
- if (m_ulSamplesLeftInEntry > 0)
- {
- m_ulSampleNumber++;
- m_ulSamplesLeftInEntry--;
-
- return AdvanceSyncSampleNumber();
- }
-
- m_ulCurrentEntryIdx++;
-
- if (m_ulCurrentEntryIdx < m_ulNumEntries)
- {
- m_ulSamplesLeftInEntry = m_pTimeToSampleAtom->
- Get_SampleCount(m_ulCurrentEntryIdx);
- m_ulSampleDuration = m_pTimeToSampleAtom->
- Get_SampleDuration(m_ulCurrentEntryIdx);
- /***
- if (m_ulSampleDuration == 0)
- {
- // Skip over the zero length samples
- m_ulSampleNumber += m_ulSamplesLeftInEntry;
- m_ulSamplesLeftInEntry = 0;
- }
- ***/
- }
- else
- {
- m_ulCurrentEntryIdx--;
- break;
- }
- } while(1);
-
- return FALSE; // Failure
- }
- #endif // QTATMMGS_INLINE_H