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k3b/libk3b/videodvd/k3bvideodvdvideostream.cpp

61 lines
1.4 KiB

/*
*
* $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 "k3bvideodvdvideostream.h"
unsigned int K3bVideoDVD::VideoStream::pictureWidth() const
{
switch( pictureSize() ) {
case VIDEO_PICTURE_SIZE_720:
return 720;
case VIDEO_PICTURE_SIZE_704:
return 704;
case VIDEO_PICTURE_SIZE_352:
case VIDEO_PICTURE_SIZE_352_2:
return 352;
default:
return 0;
}
}
unsigned int K3bVideoDVD::VideoStream::pictureHeight() const
{
int height = 480;
if( format() != 0 )
height = 576;
if( pictureSize() == VIDEO_PICTURE_SIZE_352_2 )
height /= 2;
return height;
}
unsigned int K3bVideoDVD::VideoStream::realPictureWidth() const
{
double aspectRatio = 0.0;
if( displayAspectRatio() == K3bVideoDVD::VIDEO_ASPECT_RATIO_4_3 )
aspectRatio = 4.0/3.0;
else
aspectRatio = 16.0/9.0;
return (int)(aspectRatio * (double)realPictureHeight());
}
unsigned int K3bVideoDVD::VideoStream::realPictureHeight() const
{
return pictureHeight();
}