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@ -728,6 +728,7 @@ public class Av1IntraSuperblockEncoderTests |
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8, |
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8, |
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8, |
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8, |
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8, |
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8, |
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false, |
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(byte)32, |
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(byte)32, |
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(byte)224, |
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(byte)224, |
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32, |
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32, |
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@ -749,6 +750,7 @@ public class Av1IntraSuperblockEncoderTests |
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12, |
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12, |
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8, |
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8, |
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8, |
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8, |
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false, |
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(ushort)512, |
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(ushort)512, |
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(ushort)3584, |
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(ushort)3584, |
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512, |
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512, |
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@ -770,6 +772,7 @@ public class Av1IntraSuperblockEncoderTests |
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8, |
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8, |
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5, |
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5, |
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3, |
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3, |
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false, |
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(byte)48, |
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(byte)48, |
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(byte)208, |
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(byte)208, |
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48, |
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48, |
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@ -787,6 +790,54 @@ public class Av1IntraSuperblockEncoderTests |
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effort: 5)); |
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effort: 5)); |
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} |
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} |
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[Fact] |
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public void ProductionTileSelectsLumaPaletteWithFourByFourTransforms() |
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{ |
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AssertProductionTileSelectsExactLumaPalette( |
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Av1BitDepth.EightBit, |
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8, |
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8, |
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8, |
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true, |
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(byte)64, |
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(byte)192, |
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64, |
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192, |
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static (source, reconstruction, picture, coefficients, superblockWorkspace, blockWorkspace) => |
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new Av1IntraTileWriter( |
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Configuration.Default, |
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source, |
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reconstruction, |
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picture, |
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coefficients, |
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superblockWorkspace, |
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blockWorkspace, |
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initialSize: 256, |
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effort: 6)); |
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AssertProductionTileSelectsExactLumaPalette( |
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Av1BitDepth.TwelveBit, |
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12, |
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8, |
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8, |
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true, |
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(ushort)1024, |
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(ushort)3072, |
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1024, |
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3072, |
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static (source, reconstruction, picture, coefficients, superblockWorkspace, blockWorkspace) => |
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new Av1IntraTileWriter( |
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Configuration.Default, |
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source, |
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reconstruction, |
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picture, |
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coefficients, |
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superblockWorkspace, |
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blockWorkspace, |
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initialSize: 256, |
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effort: 6)); |
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} |
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[Fact] |
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[Fact] |
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public void ProductionTileSelectsExactPairedChromaPalette() |
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public void ProductionTileSelectsExactPairedChromaPalette() |
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{ |
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{ |
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@ -1926,49 +1977,7 @@ public class Av1IntraSuperblockEncoderTests |
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long predictionOnlyError = 64L * 40 * 40 * sampleScale * sampleScale; |
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long predictionOnlyError = 64L * 40 * 40 * sampleScale * sampleScale; |
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Assert.InRange(reconstructionError, 1, predictionOnlyError - 1); |
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Assert.InRange(reconstructionError, 1, predictionOnlyError - 1); |
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// Tile fixtures initialize only entropy state. Complete the same still-picture headers as the frame
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byte[] payload = WriteCompleteTileObu(pictureTemplate, tileWriter, Width, Height); |
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// encoder before serializing so the independent decoder validates the real OBU syntax.
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ObuSequenceHeader sequenceHeader = pictureTemplate.Sequence.SequenceHeader; |
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sequenceHeader.IsStillPicture = true; |
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sequenceHeader.IsReducedStillPictureHeader = true; |
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sequenceHeader.SequenceProfile = bitDepth == 12 |
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? ObuSequenceProfile.Professional |
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: ObuSequenceProfile.Main; |
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sequenceHeader.OperatingPoint = [new ObuOperatingPoint { SequenceLevelIndex = 31 }]; |
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sequenceHeader.FrameWidthBits = 4; |
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sequenceHeader.FrameHeightBits = 4; |
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sequenceHeader.MaxFrameWidth = Width; |
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sequenceHeader.MaxFrameHeight = Height; |
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sequenceHeader.ForceScreenContentTools = 2; |
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sequenceHeader.ForceIntegerMotionVector = 2; |
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ObuFrameHeader frameHeader = pictureTemplate.Parent.FrameHeader; |
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frameHeader.FrameType = ObuFrameType.KeyFrame; |
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frameHeader.ShowFrame = true; |
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frameHeader.ErrorResilientMode = true; |
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frameHeader.RefreshFrameFlags = byte.MaxValue; |
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frameHeader.DisableFrameEndUpdateCdf = true; |
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frameHeader.FrameSize = new ObuFrameSize |
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{ |
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FrameWidth = Width, |
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FrameHeight = Height, |
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SuperResolutionDenominator = Av1Constants.ScaleNumerator, |
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SuperResolutionUpscaledWidth = Width, |
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RenderWidth = Width, |
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RenderHeight = Height |
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}; |
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frameHeader.TilesInfo.HasUniformTileSpacing = true; |
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using MemoryStream stream = new(); |
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new ObuWriter().WriteAll( |
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Configuration.Default, |
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stream, |
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sequenceHeader, |
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frameHeader, |
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tileWriter); |
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byte[] payload = stream.ToArray(); |
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using Av1Decoder decoder = new(Configuration.Default); |
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using Av1Decoder decoder = new(Configuration.Default); |
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using Image<Rgba32> decoded = decoder.Decode<Rgba32>(payload); |
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using Image<Rgba32> decoded = decoder.Decode<Rgba32>(payload); |
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Assert.NotNull(decoder.FrameInfo); |
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Assert.NotNull(decoder.FrameInfo); |
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@ -2517,6 +2526,62 @@ public class Av1IntraSuperblockEncoderTests |
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Assert.NotEqual(0, tileWriter.GetTileData(0).Length); |
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Assert.NotEqual(0, tileWriter.GetTileData(0).Length); |
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} |
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} |
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private static byte[] WriteCompleteTileObu( |
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Av1PictureControlSet pictureTemplate, |
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IAv1TileWriter tileWriter, |
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int width, |
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int height) |
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{ |
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// Tile fixtures initialize only entropy state. Complete the same still-picture headers as the frame
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// encoder before serializing so independent decoders validate the real OBU syntax.
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ObuSequenceHeader sequenceHeader = pictureTemplate.Sequence.SequenceHeader; |
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ObuColorConfig colorConfig = sequenceHeader.ColorConfig; |
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Av1ColorFormat colorFormat = colorConfig.GetColorFormat(); |
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sequenceHeader.IsStillPicture = true; |
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sequenceHeader.IsReducedStillPictureHeader = true; |
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sequenceHeader.SequenceProfile = colorConfig.BitDepth == Av1BitDepth.TwelveBit || |
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colorFormat == Av1ColorFormat.Yuv422 |
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? ObuSequenceProfile.Professional |
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: colorFormat == Av1ColorFormat.Yuv444 |
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? ObuSequenceProfile.High |
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: ObuSequenceProfile.Main; |
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sequenceHeader.OperatingPoint = [new ObuOperatingPoint { SequenceLevelIndex = 31 }]; |
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sequenceHeader.FrameWidthBits = width > 1 ? Av1Math.MostSignificantBit((uint)(width - 1)) + 1 : 1; |
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sequenceHeader.FrameHeightBits = height > 1 ? Av1Math.MostSignificantBit((uint)(height - 1)) + 1 : 1; |
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sequenceHeader.MaxFrameWidth = width; |
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sequenceHeader.MaxFrameHeight = height; |
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sequenceHeader.ForceScreenContentTools = 2; |
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sequenceHeader.ForceIntegerMotionVector = 2; |
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ObuFrameHeader frameHeader = pictureTemplate.Parent.FrameHeader; |
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frameHeader.FrameType = ObuFrameType.KeyFrame; |
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frameHeader.ShowFrame = true; |
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frameHeader.ErrorResilientMode = true; |
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frameHeader.RefreshFrameFlags = byte.MaxValue; |
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frameHeader.DisableFrameEndUpdateCdf = true; |
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frameHeader.FrameSize = new ObuFrameSize |
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{ |
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FrameWidth = width, |
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FrameHeight = height, |
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SuperResolutionDenominator = Av1Constants.ScaleNumerator, |
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SuperResolutionUpscaledWidth = width, |
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RenderWidth = width, |
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RenderHeight = height |
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}; |
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frameHeader.TilesInfo.HasUniformTileSpacing = true; |
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using MemoryStream stream = new(); |
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new ObuWriter().WriteAll( |
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Configuration.Default, |
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stream, |
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sequenceHeader, |
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frameHeader, |
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tileWriter); |
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return stream.ToArray(); |
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} |
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private static Av1PictureControlSet CreatePicture( |
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private static Av1PictureControlSet CreatePicture( |
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Av1EncoderModeInfoBuffer modeInfo, |
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Av1EncoderModeInfoBuffer modeInfo, |
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ObuColorConfig colorConfig, |
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ObuColorConfig colorConfig, |
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@ -2581,12 +2646,13 @@ public class Av1IntraSuperblockEncoderTests |
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int bitDepthValue, |
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int bitDepthValue, |
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int width, |
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int width, |
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int height, |
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int height, |
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bool useSplitTransform, |
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TSample lowerColor, |
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TSample lowerColor, |
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TSample upperColor, |
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TSample upperColor, |
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ushort expectedLowerColor, |
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ushort expectedLowerColor, |
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ushort expectedUpperColor, |
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ushort expectedUpperColor, |
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TileWriterFactory<TSample> createTileWriter) |
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TileWriterFactory<TSample> createTileWriter) |
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where TSample : unmanaged |
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where TSample : unmanaged, IBinaryInteger<TSample> |
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{ |
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{ |
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const int QIndex = 37; |
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const int QIndex = 37; |
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ObuColorConfig colorConfig = new() |
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ObuColorConfig colorConfig = new() |
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@ -2619,7 +2685,32 @@ public class Av1IntraSuperblockEncoderTests |
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for (int row = 0; row < sourcePlane.Height; row++) |
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for (int row = 0; row < sourcePlane.Height; row++) |
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{ |
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{ |
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int visibleRow = Math.Min(row, height - 1); |
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int visibleRow = Math.Min(row, height - 1); |
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sourcePlane.DangerousGetRowSpan(row).Fill(visibleRow < height / 2 ? lowerColor : upperColor); |
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Span<TSample> sourceRow = sourcePlane.DangerousGetRowSpan(row); |
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if (!useSplitTransform) |
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{ |
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sourceRow.Fill(visibleRow < height / 2 ? lowerColor : upperColor); |
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continue; |
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} |
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int transformRow = visibleRow >> 2; |
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int localRow = visibleRow & 3; |
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for (int column = 0; column < sourceRow.Length; column++) |
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{ |
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int transformColumn = column >> 2; |
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int localColumn = column & 3; |
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int transformIndex = (transformRow * 2) + transformColumn; |
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int residual = transformIndex switch |
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{ |
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0 => (localRow * 2) - 3, |
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1 => (localColumn * 2) - 3, |
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2 => (localRow + localColumn) - 3, |
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_ => localRow - localColumn |
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}; |
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int baseColor = int.CreateChecked(visibleRow < height / 2 ? lowerColor : upperColor); |
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sourceRow[column] = TSample.CreateChecked( |
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baseColor + (residual * 4 * (1 << (bitDepthValue - 8)))); |
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} |
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} |
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} |
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ClearPlane(reconstruction.Luma); |
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ClearPlane(reconstruction.Luma); |
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@ -2636,6 +2727,10 @@ public class Av1IntraSuperblockEncoderTests |
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QIndex); |
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QIndex); |
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pictureTemplate.Parent.FrameHeader.AllowScreenContentTools = true; |
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pictureTemplate.Parent.FrameHeader.AllowScreenContentTools = true; |
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pictureTemplate.Parent.FrameHeader.TransformMode = useSplitTransform |
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? Av1TransformMode.Select |
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: Av1TransformMode.Largest; |
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pictureTemplate.Parent.FrameHeader.FrameSize.FrameWidth = width; |
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pictureTemplate.Parent.FrameHeader.FrameSize.FrameWidth = width; |
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pictureTemplate.Parent.FrameHeader.FrameSize.FrameHeight = height; |
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pictureTemplate.Parent.FrameHeader.FrameSize.FrameHeight = height; |
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using Av1EncoderPictureBuffer picture = new( |
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using Av1EncoderPictureBuffer picture = new( |
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@ -2664,27 +2759,96 @@ public class Av1IntraSuperblockEncoderTests |
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ref Av1MacroBlockModeInfo mode = ref picture.Picture.GetMacroBlockModeInfo(default); |
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ref Av1MacroBlockModeInfo mode = ref picture.Picture.GetMacroBlockModeInfo(default); |
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Assert.Equal(Av1PredictionMode.DC, mode.Block.Mode); |
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Assert.Equal(Av1PredictionMode.DC, mode.Block.Mode); |
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Assert.Equal(Av1FilterIntraMode.AllFilterIntraModes, superblockWorkspace.FinalBlocks[0].FilterIntraMode); |
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Assert.Equal(Av1FilterIntraMode.AllFilterIntraModes, superblockWorkspace.FinalBlocks[0].FilterIntraMode); |
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Assert.Equal((ushort)0, coefficients.GetTransformBlockSpan(0, Av1Plane.Y)[0].EndOfBlock); |
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Assert.Equal(2, superblockWorkspace.PaletteInfo.PaletteSizes[0]); |
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Assert.Equal( |
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Assert.Equal( |
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[expectedLowerColor, expectedUpperColor], |
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useSplitTransform ? Av1TransformSize.Size4x4 : Av1TransformSize.Size8x8, |
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superblockWorkspace.PaletteInfo.GetColors(Av1Plane.Y).ToArray()); |
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mode.Block.TransformSize); |
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Span<Av1EncoderTransformBlockState> transformStates = coefficients |
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.GetTransformBlockSpan(0, Av1Plane.Y)[..(useSplitTransform ? 4 : 1)]; |
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if (useSplitTransform) |
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{ |
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int coefficientBearingTransformCount = 0; |
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foreach (Av1EncoderTransformBlockState transformState in transformStates) |
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{ |
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if (transformState.EndOfBlock > 0) |
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{ |
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coefficientBearingTransformCount++; |
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} |
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} |
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Assert.InRange(coefficientBearingTransformCount, 1, transformStates.Length); |
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Assert.InRange(superblockWorkspace.PaletteInfo.PaletteSizes[0], 2, Av1Constants.PaletteMaxSize); |
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} |
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else |
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{ |
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Assert.Equal((ushort)0, transformStates[0].EndOfBlock); |
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Assert.Equal(2, superblockWorkspace.PaletteInfo.PaletteSizes[0]); |
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Assert.Equal( |
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[expectedLowerColor, expectedUpperColor], |
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superblockWorkspace.PaletteInfo.GetColors(Av1Plane.Y).ToArray()); |
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} |
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Buffer2DRegion<byte> colorIndexMap = superblockWorkspace |
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Buffer2DRegion<byte> colorIndexMap = superblockWorkspace |
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.GetPaletteMaps() |
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.GetPaletteMaps() |
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.GetMap(Av1PlaneType.Y, 8, 8); |
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.GetMap(Av1PlaneType.Y, 8, 8); |
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Buffer2DRegion<TSample> reconstructionPlane = reconstruction.Frame.CodedView.GetPlane(Av1Plane.Y); |
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Buffer2DRegion<TSample> reconstructionPlane = reconstruction.Frame.CodedView.GetPlane(Av1Plane.Y); |
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ReadOnlySpan<ushort> selectedPaletteColors = superblockWorkspace.PaletteInfo.GetColors(Av1Plane.Y); |
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long predictionOnlyError = 0; |
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long reconstructionError = 0; |
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for (int row = 0; row < reconstructionPlane.Height; row++) |
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for (int row = 0; row < reconstructionPlane.Height; row++) |
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{ |
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{ |
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int visibleRow = Math.Min(row, height - 1); |
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if (useSplitTransform) |
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byte expectedIndex = (byte)(visibleRow < height / 2 ? 0 : 1); |
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foreach (byte index in colorIndexMap.DangerousGetRowSpan(row)) |
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{ |
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{ |
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Assert.Equal(expectedIndex, index); |
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ReadOnlySpan<TSample> sourceRow = sourcePlane.DangerousGetRowSpan(row); |
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ReadOnlySpan<TSample> reconstructionRow = reconstructionPlane.DangerousGetRowSpan(row); |
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ReadOnlySpan<byte> mapRow = colorIndexMap.DangerousGetRowSpan(row); |
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for (int column = 0; column < reconstructionRow.Length; column++) |
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{ |
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long sourceSample = long.CreateChecked(sourceRow[column]); |
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long predictionDifference = sourceSample - selectedPaletteColors[mapRow[column]]; |
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long reconstructionDifference = sourceSample - long.CreateChecked(reconstructionRow[column]); |
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predictionOnlyError += predictionDifference * predictionDifference; |
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reconstructionError += reconstructionDifference * reconstructionDifference; |
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} |
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} |
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} |
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else |
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{ |
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int visibleRow = Math.Min(row, height - 1); |
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byte expectedIndex = (byte)(visibleRow < height / 2 ? 0 : 1); |
|
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foreach (byte index in colorIndexMap.DangerousGetRowSpan(row)) |
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{ |
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Assert.Equal(expectedIndex, index); |
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} |
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Assert.True(sourcePlane.DangerousGetRowSpan(row).SequenceEqual(reconstructionPlane.DangerousGetRowSpan(row))); |
|
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Assert.True(sourcePlane.DangerousGetRowSpan(row).SequenceEqual(reconstructionPlane.DangerousGetRowSpan(row))); |
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} |
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} |
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if (useSplitTransform) |
|
|
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|
|
{ |
|
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|
|
Assert.True(predictionOnlyError > 0); |
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|
Assert.True(reconstructionError < predictionOnlyError); |
|
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|
|
byte[] payload = WriteCompleteTileObu(pictureTemplate, tileWriter, width, height); |
|
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|
|
|
using Av1Decoder decoder = new(Configuration.Default); |
|
|
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|
|
using Image<Rgba32> decoded = decoder.Decode<Rgba32>(payload); |
|
|
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|
|
Assert.NotNull(decoder.FrameInfo); |
|
|
|
|
|
Av1BlockModeInfo decodedBlock = decoder.FrameInfo.GetModeInfoAt(default); |
|
|
|
|
|
Assert.True(decodedBlock.GetPaletteSize(Av1Plane.Y) > 0); |
|
|
|
|
|
Assert.Equal(4, decodedBlock.GetTransformUnitCount(Av1Plane.Y)); |
|
|
|
|
|
Assert.Equal(new Size(width, height), decoded.Size); |
|
|
|
|
|
|
|
|
|
|
|
string outputDirectory = Path.Combine( |
|
|
|
|
|
TestEnvironment.ActualOutputDirectoryFullPath, |
|
|
|
|
|
"Formats", |
|
|
|
|
|
"Heif", |
|
|
|
|
|
"Av1"); |
|
|
|
|
|
|
|
|
|
|
|
Directory.CreateDirectory(outputDirectory); |
|
|
|
|
|
File.WriteAllBytes( |
|
|
|
|
|
Path.Combine(outputDirectory, $"encoder-palette-transform-size-select-{bitDepthValue}b.obu"), |
|
|
|
|
|
payload); |
|
|
} |
|
|
} |
|
|
|
|
|
|
|
|
Assert.NotEqual(0, tileWriter.GetTileData(0).Length); |
|
|
Assert.NotEqual(0, tileWriter.GetTileData(0).Length); |
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|
|
James Jackson-South
4 weeks ago