mp4isofullbox.cpp

来自「Amarok是一款在LINUX或其他类UNIX操作系统中运行的音频播放器软件。 」· C++ 代码 · 共 68 行

/***************************************************************************
    copyright            : (C) 2002, 2003, 2006 by Jochen Issing
    email                : [e-mail]
 ***************************************************************************/

/***************************************************************************
 *   This library is free software; you can redistribute it and/or modify  *
 *   it  under the terms of the GNU Lesser General Public License version  *
 *   2.1 as published by the Free Software Foundation.                     *
 *                                                                         *
 *   This library is distributed in the hope that it will be useful, but   *
 *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
 *   Lesser General Public License for more details.                       *
 *                                                                         *
 *   You should have received a copy of the GNU Lesser General Public      *
 *   License along with this library; if not, write to the Free Software   *
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,            *
 *   MA  02110-1301  USA                                                   *
 ***************************************************************************/

#include "mp4isofullbox.h"
#include "tfile.h"

using namespace TagLib;

class MP4::Mp4IsoFullBox::Mp4IsoFullBoxPrivate
{
public:
	uchar version;
	uint  flags;
}; // Mp4IsoFullBoxPrivate


MP4::Mp4IsoFullBox::Mp4IsoFullBox( TagLib::File* file, MP4::Fourcc fourcc, uint size, long offset )
: Mp4IsoBox( file, fourcc, size, offset )
{
  d = new MP4::Mp4IsoFullBox::Mp4IsoFullBoxPrivate();
}

MP4::Mp4IsoFullBox::~Mp4IsoFullBox()
{
  delete d;
}

void  MP4::Mp4IsoFullBox::parsebox()
{
  // seek to offset
  Mp4IsoBox::file()->seek(Mp4IsoBox::offset(), File::Beginning );
  // parse version and flags
  ByteVector version_flags = Mp4IsoBox::file()->readBlock(4);
  d->version = version_flags[0];
  d->flags   = version_flags[1] << 16 || version_flags[2] << 8 || version_flags[3];
  // call parse method of subclass
  parse();
}

TagLib::uchar MP4::Mp4IsoFullBox::version()
{
  return d->version;
}

TagLib::uint  MP4::Mp4IsoFullBox::flags()
{
  return d->flags;
}