libk3b/videodvd/k3bvideodvdvideostream.cpp

0001 /*
0002     SPDX-FileCopyrightText: 1998-2007 Sebastian Trueg <trueg@k3b.org>
0003     SPDX-License-Identifier: GPL-2.0-or-later
0004 */
0005
0006 #include "k3bvideodvdvideostream.h"
0007
0008 unsigned int K3b::VideoDVD::VideoStream::pictureWidth() const
0009 {
0010   switch( pictureSize() ) {
0011   case VIDEO_PICTURE_SIZE_720:
0012     return 720;
0013   case VIDEO_PICTURE_SIZE_704:
0014     return 704;
0015   case VIDEO_PICTURE_SIZE_352:
0016   case VIDEO_PICTURE_SIZE_352_2:
0017     return 352;
0018   default:
0019     return 0;
0020   }
0021 }
0022
0023
0024 unsigned int K3b::VideoDVD::VideoStream::pictureHeight() const
0025 {
0026   int height = 480;
0027   if( format() != 0 )
0028     height = 576;
0029   if( pictureSize() == VIDEO_PICTURE_SIZE_352_2 )
0030     height /= 2;
0031
0032   return height;
0033 }
0034
0035
0036 unsigned int K3b::VideoDVD::VideoStream::realPictureWidth() const
0037 {
0038   double aspectRatio = 0.0;
0039   if( displayAspectRatio() == K3b::VideoDVD::VIDEO_ASPECT_RATIO_4_3 )
0040     aspectRatio = 4.0/3.0;
0041   else
0042     aspectRatio = 16.0/9.0;
0043   return (int)(aspectRatio * (double)realPictureHeight());
0044 }
0045
0046
0047 unsigned int K3b::VideoDVD::VideoStream::realPictureHeight() const
0048 {
0049   return pictureHeight();
0050 }