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/*
*
* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
* Copyright (C) 2006 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 "k3bvideodvdtime.h"
K3bVideoDVD::Time::Time()
: m_hour(0),
m_minute(0),
m_second(0),
m_frame(0)
{
}
K3bVideoDVD::Time::Time( unsigned short hour,
unsigned short min,
unsigned short sec,
unsigned short frame )
: m_hour(hour),
m_minute(min),
m_second(sec),
m_frame(frame)
{
}
double K3bVideoDVD::Time::totalSeconds() const
{
double s = (double)second();
s += 60.0 * (double)minute();
s += 3600.0 * (double)hour();
return s + (double)( frame() / frameRate() );
}
unsigned int K3bVideoDVD::Time::totalFrames() const
{
double f = (double)second();
f += 60.0 * (double)minute();
f += 3600.0 * (double)hour();
return (int)( f * frameRate() ) + frame();
}
double K3bVideoDVD::Time::frameRate() const
{
//
// This is how it is done in libdvdread
// I don't really understand it, though... :(
//
switch( (frame() & 0xc0) >> 6 ) {
case 1:
// PAL?
return 25.0;
case 3:
// NTSC?
return 29.97;
default:
// should only happen for time == 0?
return 0.0;
}
}
QString K3bVideoDVD::Time::toString( bool includeFrames ) const
{
// FIXME: use a d-pointer
const_cast<K3bVideoDVD::Time*>(this)->makeValid();
if( includeFrames )
return QString().sprintf( "%02d:%02d:%02d.%02d",
m_hour,
m_minute,
m_second,
m_frame & 0x3f );
else
return QString().sprintf( "%02d:%02d:%02d",
m_hour,
m_minute,
m_second + ( m_frame > 0 ? 1 : 0 ) );
}
void K3bVideoDVD::Time::makeValid()
{
// FIXME: how to handle the frames?
m_minute += m_second/60;
m_second = m_second % 60;
m_hour += m_minute/60;
m_minute = m_minute % 60;
}
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