public void CalculatesScaledDimensionsForNarrowAspectRatio()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(1440, 1080);
var targetDimensions = new Dimensions(1280, 720);
var result = calculator.CalculateScaledDimensions(sourceDimensions, targetDimensions, 16);
Assert.AreEqual(new Dimensions(960, 720), result);
}
public void CalculatesScaledDimensionsForWideAspectRatio()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(3840, 1632);
var targetDimensions = new Dimensions(1920, 1080);
var result = calculator.CalculateScaledDimensions(sourceDimensions, targetDimensions, 8);
Assert.AreEqual(new Dimensions(1920, 816), result);
}
public void CalculatesCropParametersFor4x3WithNoBars()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(853, 480);
var result = calculator.CalculateCropParameters(sourceDimensions, sourceDimensions, null, 4 / 3d, 16);
Assert.IsNotNull(result);
Assert.AreEqual(new Dimensions(640, 480), result.Size);
Assert.AreEqual(new Coordinate <int>(106, 0), result.Start);
}
public void CalculatesCropParametersFor16x9WithHorizontalBars()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(1920, 1080);
var autocropParameters = new CropParameters()
{
Size = new Dimensions(1920, 804),
Start = new Coordinate <int>(0, 138)
};
var result =
calculator.CalculateCropParameters(sourceDimensions, sourceDimensions, autocropParameters, 16 / 9d, 8);
Assert.IsNotNull(result);
Assert.AreEqual(new Dimensions(1424, 800), result.Size);
Assert.AreEqual(new Coordinate <int>(248, 140), result.Start);
}
public void CalculatesCropParametersWhenNoChangesAreRequired()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(1920, 1080);
var autocropParameters = new CropParameters()
{
Size = new Dimensions(1440, 1080),
Start = new Coordinate <int>(0, 240)
};
var result =
calculator.CalculateCropParameters(sourceDimensions, sourceDimensions, autocropParameters, 4 / 3d, 8);
Assert.IsNotNull(result);
Assert.AreEqual(autocropParameters.Size, result.Size);
Assert.AreEqual(autocropParameters.Start, result.Start);
}
public void CalculatesCropParametersFor21x9WithHorizontalBars()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(3840, 2160);
var autocropParameters = new CropParameters()
{
Size = new Dimensions(3840, 1632),
Start = new Coordinate <int>(0, 264)
};
var result =
calculator.CalculateCropParameters(sourceDimensions, sourceDimensions, autocropParameters, 21 / 9d, 16);
Assert.IsNotNull(result);
Assert.AreEqual(new Dimensions(3808, 1632), result.Size);
Assert.AreEqual(new Coordinate <int>(16, 264), result.Start);
}
public void CalculatesCropParametersFor3x2WithVerticalBars()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(1920, 1080);
var autocropParameters = new CropParameters()
{
Size = new Dimensions(1620, 1080),
Start = new Coordinate <int>(148, 0)
};
var result =
calculator.CalculateCropParameters(sourceDimensions, sourceDimensions, autocropParameters, null, 8);
Assert.IsNotNull(result);
Assert.AreEqual(new Dimensions(1616, 1080), result.Size);
Assert.AreEqual(new Coordinate <int>(150, 0), result.Start);
}
public void CalculateCropParametersDoesNotExceedSourceDimensions()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(3840, 2160);
var autocropParameters = new CropParameters()
{
Size = new Dimensions(3840, 1606),
Start = new Coordinate <int>(0, 278)
};
var result =
calculator.CalculateCropParameters(sourceDimensions, sourceDimensions, autocropParameters, null, 8);
Assert.IsNotNull(result);
Assert.AreEqual(new Dimensions(3840, 1600), result.Size);
Assert.AreEqual(new Coordinate <int>(0, 281), result.Start);
}
public void CalculatesCropParametersWhenNoChangesAreRequiredForAnamorphic()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(853, 480);
var storageDimensions = new Dimensions(720, 480);
var autocropParameters = new CropParameters()
{
Size = new Dimensions(720, 464),
Start = new Coordinate <int>(0, 6)
};
var result =
calculator.CalculateCropParameters(sourceDimensions, storageDimensions, autocropParameters, null, 8);
Assert.IsNotNull(result);
Assert.AreEqual(new Dimensions(720, 464), result.Size);
Assert.AreEqual(new Coordinate <int>(0, 6), result.Start);
}
public void CalculatesCropParametersFor16x9WithBarsAndAnamorphicSource()
{
var calculator = new TranscodeCalculator();
var sourceDimensions = new Dimensions(853, 480);
var storageDimensions = new Dimensions(720, 480);
var autocropParameters = new CropParameters()
{
Size = new Dimensions(720, 464),
Start = new Coordinate <int>(0, 6)
};
var result =
calculator.CalculateCropParameters(sourceDimensions, storageDimensions, autocropParameters, 16 / 9d, 8);
Assert.IsNotNull(result);
Assert.AreEqual(new Dimensions(696, 464), result.Size);
Assert.AreEqual(new Coordinate <int>(12, 6), result.Start);
}
