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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="HandBrakePictureHelpers.cs" company="HandBrake Project (https://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Defines the HandBrakePictureHelpers type.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrake.Interop.Interop
{
using HandBrake.Interop.Interop.HbLib;
using HandBrake.Interop.Interop.Interfaces.Model;
using HandBrake.Interop.Interop.Interfaces.Model.Picture;
public class HandBrakePictureHelpers
{
public enum KeepSetting
{
// From common.h
HB_KEEP_WIDTH = 0x01,
HB_KEEP_HEIGHT = 0x02,
HB_KEEP_DISPLAY_ASPECT = 0x04
}
public static AnamorphicResult hb_set_anamorphic_size2(PictureSettingsJob job, PictureSettingsTitle title, KeepSetting setting)
{
int settingMode = (int)setting + (job.KeepDisplayAspect ? 0x04 : 0);
hb_rational_t computed_par = new hb_rational_t();
switch (job.AnamorphicMode)
{
case Anamorphic.None:
computed_par = new hb_rational_t { den = 1, num = 1 };
break;
case Anamorphic.Custom:
computed_par = new hb_rational_t { den = job.ParH, num = job.ParW };
break;
default:
computed_par = new hb_rational_t { den = title.ParH, num = title.ParW };
break;
}
hb_geometry_settings_s uiGeometry = new hb_geometry_settings_s
{
crop = new[] { job.Crop.Top, job.Crop.Bottom, job.Crop.Left, job.Crop.Right },
itu_par = 0,
keep = settingMode,
maxWidth = job.MaxWidth,
maxHeight = job.MaxHeight,
mode = (int)job.AnamorphicMode,
modulus = job.Modulus.HasValue ? job.Modulus.Value : 16,
geometry = new hb_geometry_s { height = job.Height, width = job.Width, par = computed_par }
};
hb_geometry_s sourceGeometry = new hb_geometry_s
{
width = title.Width,
height = title.Height,
par = new hb_rational_t { den = title.ParH, num = title.ParW }
};
hb_geometry_s result = HandBrakePictureHelpers.GetAnamorphicSizes(sourceGeometry, uiGeometry);
int outputWidth = result.width;
int outputHeight = result.height;
int outputParWidth = result.par.num;
int outputParHeight = result.par.den;
return new AnamorphicResult { OutputWidth = outputWidth, OutputHeight = outputHeight, OutputParWidth = outputParWidth, OutputParHeight = outputParHeight };
}
internal static hb_geometry_s GetAnamorphicSizes(hb_geometry_s sourceGeometry, hb_geometry_settings_s uiGeometry)
{
hb_geometry_s geometry = new hb_geometry_s();
HBFunctions.hb_set_anamorphic_size2(ref sourceGeometry, ref uiGeometry, ref geometry);
return geometry;
}
}
}
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