?? itunesdiskbox.cpp
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/*************************************************************************** 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 "itunesdiskbox.h"#include "itunesdatabox.h"#include "mp4isobox.h"#include "mp4file.h"#include "tfile.h"#include "mp4tagsproxy.h"using namespace TagLib;class MP4::ITunesDiskBox::ITunesDiskBoxPrivate{public: ITunesDataBox* dataBox;};MP4::ITunesDiskBox::ITunesDiskBox( TagLib::File* file, MP4::Fourcc fourcc, uint size, long offset ) :Mp4IsoBox(file, fourcc, size, offset){ d = new MP4::ITunesDiskBox::ITunesDiskBoxPrivate(); d->dataBox = 0;}MP4::ITunesDiskBox::~ITunesDiskBox(){ if( d->dataBox != 0 ) delete d->dataBox; delete d;}//! parse the content of the boxvoid MP4::ITunesDiskBox::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 ITunesDiskBox - serious Error in taglib!" << std::endl; return; } // register data box mp4file->tagProxy()->registerBox( Mp4TagsProxy::disk, 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}
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