/***************************************************************************    copyright            : (C) 2002, 2003, 2006 by Jochen Issing    email                : jochen.issing@isign-softart.de ***************************************************************************//*************************************************************************** *   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 <iostream>#include "itunestrknbox.h"#include "itunesdatabox.h"#include "mp4isobox.h"#include "mp4file.h"#include "tfile.h"#include "mp4tagsproxy.h"using namespace TagLib;class MP4::ITunesTrknBox::ITunesTrknBoxPrivate{public:  ITunesDataBox* dataBox;};MP4::ITunesTrknBox::ITunesTrknBox( TagLib::File* file, MP4::Fourcc fourcc, uint size, long offset )	:Mp4IsoBox(file, fourcc, size, offset){  d = new MP4::ITunesTrknBox::ITunesTrknBoxPrivate();  d->dataBox = 0;}MP4::ITunesTrknBox::~ITunesTrknBox(){  if( d->dataBox != 0 )    delete d->dataBox;  delete d;}//! parse the content of the boxvoid MP4::ITunesTrknBox::parse(){  TagLib::MP4::File* mp4file = static_cast<MP4::File*>( file() );  // parse data box  TagLib::uint size;  MP4::Fourcc  fourcc;  if(mp4file->readSizeAndType( size, fourcc ) == true)  {    // check for type - must be 'data'    if( fourcc != MP4::Fourcc("data") )    {      std::cerr << "bad atom in itunes tag - skipping it." << std::endl;      // jump over data tag      mp4file->seek( size-8, TagLib::File::Current );      return;    }    d->dataBox = new ITunesDataBox( mp4file, fourcc, size, mp4file->tell() );    d->dataBox->parsebox();  }  else  {    // reading unsuccessful - serious error!    std::cerr << "Error in parsing ITunesTrknBox - serious Error in taglib!" << std::endl;    return;  }  // register data box  mp4file->tagProxy()->registerBox( Mp4TagsProxy::trackno, d->dataBox );#if 0  // get data pointer - just for debugging...  TagLib::ByteVector trknData = d->dataBox->data();  TagLib::String trknumber = TagLib::String::number( static_cast<int>( static_cast<unsigned char>(trknData[0]) << 24 |	                                                               static_cast<unsigned char>(trknData[1]) << 16 |								       static_cast<unsigned char>(trknData[2]) <<  8 |								       static_cast<unsigned char>(trknData[3]) ) );  std::cout << "Content of tracknumber box: " << trknumber << std::endl;#endif}