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Add yuv conversion test with argb

pull/1552/head
Brian Popow 5 years ago
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1 changed files with 108 additions and 2 deletions
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  1. 110
      tests/ImageSharp.Tests/Formats/WebP/YuvConversionTests.cs

110
tests/ImageSharp.Tests/Formats/WebP/YuvConversionTests.cs
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@ -23,9 +23,10 @@ namespace SixLabors.ImageSharp.Tests.Formats.Webp
Configuration config = image.GetConfiguration();
MemoryAllocator memoryAllocator = config.MemoryAllocator;
int pixels = image.Width * image.Height;
int uvWidth = (image.Width + 1) >> 1;
using System.Buffers.IMemoryOwner<byte> yBuffer = memoryAllocator.Allocate<byte>(pixels);
using System.Buffers.IMemoryOwner<byte> uBuffer = memoryAllocator.Allocate<byte>(pixels / 2);
using System.Buffers.IMemoryOwner<byte> vBuffer = memoryAllocator.Allocate<byte>(pixels / 2);
using System.Buffers.IMemoryOwner<byte> uBuffer = memoryAllocator.Allocate<byte>(uvWidth * image.Height);
using System.Buffers.IMemoryOwner<byte> vBuffer = memoryAllocator.Allocate<byte>(uvWidth * image.Height);
Span<byte> y = yBuffer.GetSpan();
Span<byte> u = uBuffer.GetSpan();
Span<byte> v = vBuffer.GetSpan();
@ -127,5 +128,110 @@ namespace SixLabors.ImageSharp.Tests.Formats.Webp
Assert.True(expectedU.AsSpan().SequenceEqual(u.Slice(0, expectedU.Length)));
Assert.True(expectedV.AsSpan().SequenceEqual(v.Slice(0, expectedV.Length)));
}
[Theory]
[WithTestPatternImages(31, 31, PixelTypes.Rgba32)]
public void ConvertRgbToYuv_WithAlpha_Works<TPixel>(TestImageProvider<TPixel> provider)
where TPixel : unmanaged, IPixel<TPixel>
{
// arrange
using Image<TPixel> image = provider.GetImage();
Configuration config = image.GetConfiguration();
MemoryAllocator memoryAllocator = config.MemoryAllocator;
int pixels = image.Width * image.Height;
int uvWidth = (image.Width + 1) >> 1;
using System.Buffers.IMemoryOwner<byte> yBuffer = memoryAllocator.Allocate<byte>(pixels);
using System.Buffers.IMemoryOwner<byte> uBuffer = memoryAllocator.Allocate<byte>(uvWidth * image.Height);
using System.Buffers.IMemoryOwner<byte> vBuffer = memoryAllocator.Allocate<byte>(uvWidth * image.Height);
Span<byte> y = yBuffer.GetSpan();
Span<byte> u = uBuffer.GetSpan();
Span<byte> v = vBuffer.GetSpan();
byte[] expectedY =
{
16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16, 152, 41, 41, 152, 152, 41, 41, 152,
152, 41, 41, 152, 152, 41, 41, 152, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16,
152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 16, 16, 16, 16, 16, 235,
235, 235, 235, 235, 16, 16, 16, 16, 16, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152,
41, 41, 152, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16, 152, 41, 41, 152, 152,
41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 16,
16, 16, 16, 16, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 235, 235,
235, 235, 235, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 152, 41, 41, 152, 152, 41, 41, 152, 152,
41, 41, 152, 152, 41, 41, 152, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235,
152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 235, 235, 235, 235, 235, 16,
16, 16, 16, 16, 235, 235, 235, 235, 235, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152,
41, 41, 152, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 152, 41, 41, 152,
152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16,
235, 235, 235, 235, 235, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 16,
16, 16, 16, 16, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16, 152, 41, 41, 152, 152, 41, 41, 152,
152, 41, 41, 152, 152, 41, 41, 152, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16,
152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 16, 16, 16, 16, 16, 235,
235, 235, 235, 235, 16, 16, 16, 16, 16, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152,
41, 41, 152, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 16, 16, 16, 16, 16, 152, 41, 41, 152, 152,
41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 16, 16, 16, 16, 16, 235, 235, 235, 235, 235, 16,
16, 16, 16, 16, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 152, 41, 41, 152, 82, 82, 82,
82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 81, 158, 170, 118, 130, 182, 65, 142, 220, 103, 155,
167, 115, 127, 204, 127, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 145, 157, 106,
118, 170, 118, 130, 207, 90, 142, 154, 103, 114, 192, 115, 127, 82, 82, 82, 82, 82, 82, 82, 82, 82,
82, 82, 82, 82, 82, 82, 145, 93, 105, 157, 105, 117, 195, 78, 130, 142, 90, 102, 179, 102, 114, 192,
82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 80, 92, 170, 93, 105, 182, 65, 142, 129,
77, 155, 167, 90, 102, 179, 62, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 82, 80, 157,
80, 92, 170, 52, 130, 117, 65, 142, 154, 102, 89, 166, 49, 127, 82, 82, 82, 82, 82, 82, 82, 82, 82,
82, 82, 82, 82, 82, 82, 145, 197, 80, 157, 169, 117, 104, 181, 130, 142, 90, 77, 154, 37, 114, 191,
81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 209, 67, 144, 156, 105, 117, 169, 117,
129, 206, 64, 141, 153, 102, 179, 166, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
55, 132, 144, 92, 169, 156, 104, 116, 194, 77, 129, 141, 89, 166, 178, 101, 81, 81, 81, 81, 81, 81,
81, 81, 81, 81, 81, 81, 81, 81, 81, 119, 131, 80, 157, 144, 92, 104, 181, 64, 116, 193, 76, 154,
166, 89, 101, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 119, 67, 144, 156, 79, 91,
169, 52, 104, 181, 64, 141, 153, 76, 88, 165, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81,
81, 81, 183, 132, 144, 196, 79, 156, 39, 116, 168, 51, 129, 141, 89, 76, 153, 101, 81, 81, 81, 81,
81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 81, 119, 131, 183, 66, 143, 155, 104, 156, 168, 116, 128,
205, 63, 140, 218, 101, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 119, 196, 54,
131, 208, 91, 143, 155, 103, 115, 193, 51, 128, 205, 88, 165, 41, 41, 41, 41, 41, 41, 41, 41, 41,
41, 41, 41, 41, 41, 41, 183, 41, 118, 196, 79, 156, 143, 91, 103, 180, 63, 115, 193, 75, 153, 165,
41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 29, 106, 183, 66, 143, 130, 78, 90, 168,
116, 103, 180, 63, 140, 152, 75, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 41, 93,
171, 53, 131, 118, 66, 78, 155, 103, 90, 167, 50, 128, 140, 63, 75
};
byte[] expectedU =
{
128, 128, 128, 128, 128, 128, 128, 133, 240, 139, 240, 139, 240, 139, 240, 139, 128, 128, 128, 128,
128, 128, 128, 133, 240, 139, 240, 139, 240, 139, 240, 139, 128, 128, 128, 128, 128, 128, 128, 134,
240, 139, 240, 139, 240, 139, 240, 139, 128, 128, 128, 128, 128, 128, 128, 134, 240, 139, 240, 139,
240, 139, 240, 139, 128, 128, 128, 128, 128, 128, 128, 134, 240, 139, 240, 139, 240, 139, 240, 139,
128, 128, 128, 128, 128, 128, 128, 133, 240, 139, 240, 139, 240, 139, 240, 139, 128, 128, 128, 128,
128, 128, 128, 133, 240, 139, 240, 139, 240, 139, 240, 139, 112, 112, 108, 106, 106, 112, 112, 115,
174, 157, 172, 129, 191, 129, 204, 112, 90, 90, 90, 90, 90, 90, 90, 90, 161, 92, 116, 141, 99, 155,
113, 97, 90, 90, 90, 90, 90, 90, 90, 91, 145, 114, 173, 122, 133, 127, 96, 170, 96, 96, 96, 96, 96,
96, 97, 96, 98, 134, 122, 113, 139, 93, 169, 85, 91, 91, 91, 91, 91, 91, 91, 92, 134, 130, 112, 149,
105, 139, 146, 110, 91, 91, 91, 91, 91, 91, 91, 90, 164, 117, 149, 127, 128, 166, 107, 129, 159,
159, 159, 159, 159, 159, 159, 160, 112, 113, 138, 87, 143, 112, 88, 161, 240, 240, 240, 240, 240,
240, 240, 235, 110, 162, 110, 140, 158, 104, 159, 137, 240, 240, 240, 240, 240, 240, 240, 232, 150,
108, 140, 161, 80, 157, 162, 128
};
byte[] expectedV =
{
128, 128, 128, 128, 128, 128, 128, 153, 110, 189, 110, 189, 110, 189, 110, 189, 128, 128, 128, 128,
128, 128, 128, 153, 110, 189, 110, 189, 110, 189, 110, 189, 128, 128, 128, 128, 128, 128, 128, 157,
110, 189, 110, 189, 110, 189, 110, 189, 128, 128, 128, 128, 128, 128, 128, 160, 110, 189, 110, 189,
110, 189, 110, 189, 128, 128, 128, 128, 128, 128, 128, 160, 110, 189, 110, 189, 110, 189, 110, 189,
128, 128, 128, 128, 128, 128, 128, 153, 110, 189, 110, 189, 110, 189, 110, 189, 128, 128, 128, 128,
128, 128, 128, 153, 110, 189, 110, 189, 110, 189, 110, 189, 175, 175, 186, 193, 193, 175, 175, 173,
110, 151, 106, 153, 122, 146, 92, 195, 240, 240, 240, 240, 240, 240, 240, 239, 121, 131, 142, 135,
109, 92, 146, 115, 240, 240, 240, 240, 240, 240, 240, 238, 136, 148, 137, 113, 157, 155, 121, 130,
155, 155, 155, 155, 155, 155, 155, 154, 135, 96, 88, 142, 136, 105, 138, 116, 81, 81, 81, 81, 81,
81, 81, 82, 104, 148, 150, 111, 138, 128, 116, 141, 81, 81, 81, 81, 81, 81, 81, 80, 147, 133, 119,
141, 165, 126, 147, 173, 101, 101, 101, 101, 101, 101, 101, 101, 109, 129, 122, 124, 107, 108, 128,
138, 110, 110, 110, 110, 110, 110, 110, 110, 137, 151, 127, 114, 131, 139, 142, 120, 110, 110, 110,
110, 110, 110, 110, 112, 156, 119, 137, 167, 141, 151, 66, 85
};
// act
YuvConversion.ConvertRgbToYuv(image, config, memoryAllocator, y, u, v);
// assert
Assert.True(expectedY.AsSpan().SequenceEqual(y));
Assert.True(expectedU.AsSpan().SequenceEqual(u.Slice(0, expectedU.Length)));
Assert.True(expectedV.AsSpan().SequenceEqual(v.Slice(0, expectedV.Length)));
}
}
}

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