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107 lines
2.2 KiB
107 lines
2.2 KiB
15 years ago
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/*
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*
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* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
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* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3bvideodvdtime.h"
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K3bVideoDVD::Time::Time()
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: m_hour(0),
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m_minute(0),
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m_second(0),
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m_frame(0)
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{
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}
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K3bVideoDVD::Time::Time( unsigned short hour,
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unsigned short min,
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unsigned short sec,
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unsigned short frame )
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: m_hour(hour),
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m_minute(min),
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m_second(sec),
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m_frame(frame)
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{
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}
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double K3bVideoDVD::Time::totalSeconds() const
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{
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double s = (double)second();
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s += 60.0 * (double)minute();
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s += 3600.0 * (double)hour();
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return s + (double)( frame() / frameRate() );
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}
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unsigned int K3bVideoDVD::Time::totalFrames() const
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{
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double f = (double)second();
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f += 60.0 * (double)minute();
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f += 3600.0 * (double)hour();
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return (int)( f * frameRate() ) + frame();
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}
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double K3bVideoDVD::Time::frameRate() const
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{
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//
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// This is how it is done in libdvdread
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// I don't really understand it, though... :(
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//
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switch( (frame() & 0xc0) >> 6 ) {
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case 1:
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// PAL?
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return 25.0;
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case 3:
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// NTSC?
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return 29.97;
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default:
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// should only happen for time == 0?
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return 0.0;
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}
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}
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QString K3bVideoDVD::Time::toString( bool includeFrames ) const
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{
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// FIXME: use a d-pointer
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const_cast<K3bVideoDVD::Time*>(this)->makeValid();
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if( includeFrames )
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return QString().sprintf( "%02d:%02d:%02d.%02d",
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m_hour,
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m_minute,
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m_second,
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m_frame & 0x3f );
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else
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return QString().sprintf( "%02d:%02d:%02d",
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m_hour,
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m_minute,
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m_second + ( m_frame > 0 ? 1 : 0 ) );
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}
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void K3bVideoDVD::Time::makeValid()
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{
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// FIXME: how to handle the frames?
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m_minute += m_second/60;
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m_second = m_second % 60;
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m_hour += m_minute/60;
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m_minute = m_minute % 60;
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}
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