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/***************************************************************************
copyright : (C) 2002, 2003, 2006 by Jochen Issing
email : [email protected]
***************************************************************************/
/***************************************************************************
* 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 "itunestmpobox.h"
#include "itunesdatabox.h"
#include "mp4isobox.h"
#include "mp4file.h"
#include "tfile.h"
#include "mp4tagsproxy.h"
using namespace TagLib;
class MP4::ITunesTmpoBox::ITunesTmpoBoxPrivate
{
public:
ITunesDataBox* dataBox;
};
MP4::ITunesTmpoBox::ITunesTmpoBox( TagLib::File* file, MP4::Fourcc fourcc, uint size, long offset )
:Mp4IsoBox(file, fourcc, size, offset)
{
d = new MP4::ITunesTmpoBox::ITunesTmpoBoxPrivate();
d->dataBox = 0;
}
MP4::ITunesTmpoBox::~ITunesTmpoBox()
{
if( d->dataBox != 0 )
delete d->dataBox;
delete d;
}
//! parse the content of the box
void MP4::ITunesTmpoBox::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 ITunesTmpoBox - serious Error in taglib!" << std::endl;
return;
}
// register data box
mp4file->tagProxy()->registerBox( Mp4TagsProxy::bpm, 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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