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k3b/libk3bdevice/k3btoc.cpp

164 lines
3.4 KiB

/*
*
* $Id: k3btoc.cpp 619556 2007-01-03 17:38:12Z trueg $
* Copyright (C) 2003-2007 Sebastian Trueg <trueg@k3b.org>
*
* This file is part of the K3b project.
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* See the file "COPYING" for the exact licensing terms.
*/
#include "k3btoc.h"
#include "k3bdebug.h"
#include <qstring.h>
K3bDevice::Toc::Toc()
: QValueList<K3bDevice::Track>()
{
}
K3bDevice::Toc::Toc( const Toc& toc )
: QValueList<K3bDevice::Track>( toc )
{
m_firstSector = toc.firstSector();
}
K3bDevice::Toc::~Toc()
{
}
K3bDevice::Toc& K3bDevice::Toc::operator=( const Toc& toc )
{
if( &toc == this ) return *this;
m_firstSector = toc.firstSector();
QValueList<K3bDevice::Track>::operator=( toc );
return *this;
}
const K3b::Msf& K3bDevice::Toc::firstSector() const
{
return m_firstSector;
}
K3b::Msf K3bDevice::Toc::lastSector() const
{
if( isEmpty() )
return 0;
// the last track's last sector should be the last sector of the entire cd
return last().lastSector();
}
K3b::Msf K3bDevice::Toc::length() const
{
// +1 since the last sector is included
return lastSector() - firstSector() + 1;
}
unsigned int K3bDevice::Toc::discId() const
{
// calculate cddb-id
unsigned int id = 0;
for( Toc::const_iterator it = constBegin(); it != constEnd(); ++it ) {
unsigned int n = (*it).firstSector().lba() + 150;
n /= 75;
while( n > 0 ) {
id += n % 10;
n /= 10;
}
}
unsigned int l = length().lba();
l /= 75;
id = ( ( id % 0xff ) << 24 ) | ( l << 8 ) | count();
return id;
}
int K3bDevice::Toc::contentType() const
{
int audioCnt = 0, dataCnt = 0;
for( Toc::const_iterator it = constBegin(); it != constEnd(); ++it ) {
if( (*it).type() == K3bDevice::Track::AUDIO )
audioCnt++;
else
dataCnt++;
}
if( audioCnt + dataCnt == 0 )
return K3bDevice::NONE;
if( audioCnt == 0 )
return K3bDevice::DATA;
if( dataCnt == 0 )
return K3bDevice::AUDIO;
return K3bDevice::MIXED;
}
int K3bDevice::Toc::sessions() const
{
if( isEmpty() )
return 0;
else if( last().session() == 0 )
return 1; // default if unknown
else
return last().session();
}
void K3bDevice::Toc::clear()
{
QValueList<Track>::clear();
m_mcn.resize( 0 );
m_firstSector = 0;
}
void K3bDevice::Toc::debug() const
{
k3bDebug() << count() << " in " << sessions() << " sessions" << endl;
int sessionN = 0;
int trackN = 0;
for( Toc::const_iterator it = begin(); it != end(); ++it ) {
++trackN;
if( sessionN != (*it).session() ) {
sessionN = (*it).session();
k3bDebug() << "Session Number " << sessionN << endl;
}
k3bDebug() << " Track " << trackN << ( (*it).type() == Track::AUDIO ? " AUDIO" : " DATA" )
<< " " << (*it).firstSector().lba() << " - " << (*it).lastSector().lba()
<< " (" << (*it).length().lba() << ")" << endl;
}
}
bool K3bDevice::Toc::operator==( const Toc& other ) const
{
return( m_firstSector == other.m_firstSector &&
QValueList<Track>::operator==( other ) );
}
bool K3bDevice::Toc::operator!=( const Toc& other ) const
{
return( m_firstSector != other.m_firstSector ||
QValueList<Track>::operator!=( other ) );
}