1/**************************************************************************** 2** libebml : parse EBML files, see http://embl.sourceforge.net/ 3** 4** <file/class description> 5** 6** Copyright (C) 2002-2005 Steve Lhomme. All rights reserved. 7** 8** This library is free software; you can redistribute it and/or 9** modify it under the terms of the GNU Lesser General Public 10** License as published by the Free Software Foundation; either 11** version 2.1 of the License, or (at your option) any later version. 12** 13** This library is distributed in the hope that it will be useful, 14** but WITHOUT ANY WARRANTY; without even the implied warranty of 15** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16** Lesser General Public License for more details. 17** 18** You should have received a copy of the GNU Lesser General Public 19** License along with this library; if not, write to the Free Software 20** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 21** 22** See http://www.matroska.org/license/lgpl/ for LGPL licensing information. 23** 24** Contact license@matroska.org if any conditions of this licensing are 25** not clear to you. 26** 27**********************************************************************/ 28 29/*! 30 \file 31 \version \$Id: EbmlDate.cpp 1079 2005-03-03 13:18:14Z robux4 $ 32 \author Steve Lhomme <robux4 @ users.sf.net> 33*/ 34#include <cassert> 35 36#include "ebml/EbmlDate.h" 37 38START_LIBEBML_NAMESPACE 39 40const uint64 EbmlDate::UnixEpochDelay = 978307200; // 2001/01/01 00:00:00 UTC 41 42EbmlDate::EbmlDate(const EbmlDate & ElementToClone) 43:EbmlElement(ElementToClone) 44{ 45 myDate = ElementToClone.myDate; 46} 47 48uint64 EbmlDate::ReadData(IOCallback & input, ScopeMode ReadFully) 49{ 50 if (ReadFully != SCOPE_NO_DATA) 51 { 52 if (Size != 0) { 53 assert(Size == 8); 54 binary Buffer[8]; 55 input.readFully(Buffer, Size); 56 57 big_int64 b64; 58 b64.Eval(Buffer); 59 60 myDate = b64; 61 bValueIsSet = true; 62 } 63 } 64 65 return Size; 66} 67 68uint32 EbmlDate::RenderData(IOCallback & output, bool bForceRender, bool bKeepIntact) 69{ 70 if (Size != 0) { 71 assert(Size == 8); 72 big_int64 b64(myDate); 73 74 output.writeFully(&b64.endian(),Size); 75 } 76 77 return Size; 78} 79 80END_LIBEBML_NAMESPACE 81