1/**************************************************************************** 2** libmatroska : parse Matroska files, see http://www.matroska.org/ 3** 4** <file/class description> 5** 6** Copyright (C) 2002-2004 Steve Lhomme. All rights reserved. 7** 8** This file is part of libmatroska. 9** 10** This library is free software; you can redistribute it and/or 11** modify it under the terms of the GNU Lesser General Public 12** License as published by the Free Software Foundation; either 13** version 2.1 of the License, or (at your option) any later version. 14** 15** This library is distributed in the hope that it will be useful, 16** but WITHOUT ANY WARRANTY; without even the implied warranty of 17** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 18** Lesser General Public License for more details. 19** 20** You should have received a copy of the GNU Lesser General Public 21** License along with this library; if not, write to the Free Software 22** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23** 24** See http://www.matroska.org/license/lgpl/ for LGPL licensing information.** 25** Contact license@matroska.org if any conditions of this licensing are 26** not clear to you. 27** 28**********************************************************************/ 29 30/*! 31 \file 32 \version \$Id: KaxTracks.h,v 1.7 2004/04/14 23:26:17 robux4 Exp $ 33 \author Steve Lhomme <robux4 @ users.sf.net> 34*/ 35#ifndef LIBMATROSKA_TRACKS_H 36#define LIBMATROSKA_TRACKS_H 37 38#include "matroska/KaxTypes.h" 39#include "ebml/EbmlMaster.h" 40#include "ebml/EbmlUInteger.h" 41#include "matroska/KaxTrackEntryData.h" 42 43using namespace LIBEBML_NAMESPACE; 44 45START_LIBMATROSKA_NAMESPACE 46 47class MATROSKA_DLL_API KaxTracks : public EbmlMaster { 48 public: 49 KaxTracks(); 50 KaxTracks(const KaxTracks & ElementToClone) :EbmlMaster(ElementToClone) {} 51 static EbmlElement & Create() {return *(new KaxTracks);} 52 const EbmlCallbacks & Generic() const {return ClassInfos;} 53 static const EbmlCallbacks ClassInfos; 54 operator const EbmlId &() const {return ClassInfos.GlobalId;} 55 EbmlElement * Clone() const {return new KaxTracks(*this);} 56}; 57 58class MATROSKA_DLL_API KaxTrackEntry : public EbmlMaster { 59 public: 60 KaxTrackEntry(); 61 KaxTrackEntry(const KaxTrackEntry & ElementToClone) :EbmlMaster(ElementToClone) {} 62 static EbmlElement & Create() {return *(new KaxTrackEntry);} 63 const EbmlCallbacks & Generic() const {return ClassInfos;} 64 static const EbmlCallbacks ClassInfos; 65 operator const EbmlId &() const {return ClassInfos.GlobalId;} 66 EbmlElement * Clone() const {return new KaxTrackEntry(*this);} 67 68 EbmlUInteger & TrackNumber() const { return *(static_cast<EbmlUInteger *>(FindElt(KaxTrackNumber::ClassInfos))); } 69 70 void EnableLacing(bool bEnable = true); 71 72 /*! 73 \note lacing set by default 74 */ 75 inline bool LacingEnabled() const { 76 KaxTrackFlagLacing * myLacing = static_cast<KaxTrackFlagLacing *>(FindFirstElt(KaxTrackFlagLacing::ClassInfos)); 77 return((myLacing == NULL) || (uint8(*myLacing) != 0)); 78 } 79 80 void SetGlobalTimecodeScale(uint64 aGlobalTimecodeScale) { 81 mGlobalTimecodeScale = aGlobalTimecodeScale; 82 bGlobalTimecodeScaleIsSet = true; 83 } 84 uint64 GlobalTimecodeScale() const { 85 assert(bGlobalTimecodeScaleIsSet); 86 return mGlobalTimecodeScale; 87 } 88 89 protected: 90 bool bGlobalTimecodeScaleIsSet; 91 uint64 mGlobalTimecodeScale; 92}; 93 94END_LIBMATROSKA_NAMESPACE 95 96#endif // LIBMATROSKA_TRACKS_H 97