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amarok/amarok/src/metadata/m4a/mp4fourcc.cpp

85 lines
2.8 KiB

/***************************************************************************
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 "mp4fourcc.h"
using namespace TagLib;
MP4::Fourcc::Fourcc()
{
m_fourcc = 0U;
}
MP4::Fourcc::Fourcc( TagLib::String fourcc )
{
m_fourcc = 0U;
if( fourcc.size() >= 4 )
m_fourcc = static_cast<unsigned char>(fourcc[0]) << 24 |
static_cast<unsigned char>(fourcc[1]) << 16 |
static_cast<unsigned char>(fourcc[2]) << 8 |
static_cast<unsigned char>(fourcc[3]);
}
MP4::Fourcc::~Fourcc()
{}
TagLib::String MP4::Fourcc::toString() const
{
TagLib::String fourcc;
fourcc.append(static_cast<char>(m_fourcc >> 24 & 0xFF));
fourcc.append(static_cast<char>(m_fourcc >> 16 & 0xFF));
fourcc.append(static_cast<char>(m_fourcc >> 8 & 0xFF));
fourcc.append(static_cast<char>(m_fourcc & 0xFF));
return fourcc;
}
MP4::Fourcc::operator unsigned int() const
{
return m_fourcc;
}
bool MP4::Fourcc::operator == (unsigned int fourccB ) const
{
return (m_fourcc==fourccB);
}
bool MP4::Fourcc::operator != (unsigned int fourccB ) const
{
return (m_fourcc!=fourccB);
}
MP4::Fourcc& MP4::Fourcc::operator = (unsigned int fourcc )
{
m_fourcc = fourcc;
return *this;
}
MP4::Fourcc& MP4::Fourcc::operator = (char fourcc[4])
{
m_fourcc = static_cast<unsigned char>(fourcc[0]) << 24 |
static_cast<unsigned char>(fourcc[1]) << 16 |
static_cast<unsigned char>(fourcc[2]) << 8 |
static_cast<unsigned char>(fourcc[3]);
return *this;
}