diff --git a/HEIF_IMPLEMENTATION_PLAN.md b/HEIF_IMPLEMENTATION_PLAN.md index 1e532cc6c..0b3a418f1 100644 --- a/HEIF_IMPLEMENTATION_PLAN.md +++ b/HEIF_IMPLEMENTATION_PLAN.md @@ -29,7 +29,7 @@ Checkboxes may be marked complete only when the implementation and the verificat ## Delivery dashboard -Last reconciled with the source tree on 2026-08-29 against production checkpoint `a5e4cc6cc6cf87ee02b41cfe4ca71d1ef3411ed7`. Committed checkpoints include the AV1 transform architecture, OBU framing, intra-block copy, official extreme-displacement intra-block-copy conformance, the 12-profile reconstruction matrix, corrected twelve-bit inverse-transform SIMD arithmetic, layered-item properties, layered reference/header/CDF/motion-field state, inter-frame intra blocks, SIMD-first translational prediction, complete single-reference inter reconstruction, compound reference trees and modes, paired reference-MV derivation, reference-dependent bounded sequence decoding, allocation-free SIMD-first equal averaging, selected inter-intra prediction, selectable compound blending, OBMC, scaled-reference reconstruction, local warped prediction, non-translational global prediction, official motion-vector conformance, official spatial- and temporal-layer default-operating-point conformance, selected spatial-layer presentation, and progressive color and auxiliary-alpha conformance. This dashboard is the authoritative delivery order. The detailed phase checklists below provide subsystem evidence; they do not override the current-stage marker or permit work to skip ahead. +Last reconciled with the source tree on 2026-08-29 against production checkpoint `03737411e62155df8e998c37475ceeebf4f053bf`. Committed checkpoints include the AV1 transform architecture, OBU framing, intra-block copy, official extreme-displacement intra-block-copy conformance, the 12-profile reconstruction matrix, corrected twelve-bit inverse-transform SIMD arithmetic, layered-item properties, layered reference/header/CDF/motion-field state, inter-frame intra blocks, SIMD-first translational prediction, complete single-reference inter reconstruction, compound reference trees and modes, paired reference-MV derivation, reference-dependent bounded sequence decoding, allocation-free SIMD-first equal averaging, selected inter-intra prediction, selectable compound blending, OBMC, scaled-reference reconstruction, local warped prediction, non-translational global prediction, official motion-vector conformance, official spatial- and temporal-layer default-operating-point conformance, selected spatial-layer presentation, and progressive color and auxiliary-alpha conformance. This dashboard is the authoritative delivery order. The detailed phase checklists below provide subsystem evidence; they do not override the current-stage marker or permit work to skip ahead. Commit `1c58d855f70b024170ced9eb0a7005f0f9c955ad` records the complete official motion-vector conformance checkpoint. The official IVF has SHA-1 `F064290D7FCD3B3DE19020E8AEC6C43C88D3A505`, matching the pinned libaom test-data manifest, and SHA-256 `222A9050059B254DAB17CFB802FF829C778E3F93AF18961A622C8268576C1395`; its pinned-libaom Y4M has SHA-256 `D97AC78C81782CF1507549368047769DC677DBE205706458D1EE9C807DE6EC78`. Both source targets build with zero warnings and errors, the `net10.0` test-project analyzer build completes with zero errors and 1,014 pre-existing repository warnings, Roslynk reports zero compiler errors, 3,985 focused `net10.0` cases pass without failures or skips, and `git diff --check` is clean. @@ -47,6 +47,8 @@ Commit `27ebcd54dc732aff8c665ee1ab61e72ed9621b42` records the official two-spati Commit `a5e4cc6cc6cf87ee02b41cfe4ca71d1ef3411ed7` records the official one-spatial-layer, two-temporal-layer L1T2 checkpoint. The manifest-matching 48,883-byte IVF and pinned-libaom Y4M prove all eight 640x360 YUV420 frames exactly under normal and scalar dispatch; constrained tracked allocation verifies balanced exactly-once returns. The existing decoder required no production correction. The scoped test-project analyzer build completes with zero errors and 1,011 repository warnings, Roslynk reports zero compiler errors, both focused cases pass without failures or skips, and `git diff --check` is clean. +Commit `03737411e62155df8e998c37475ceeebf4f053bf` records the official two-spatial-layer, two-temporal-layer L2T2 checkpoint. The manifest-matching 119,907-byte IVF and pinned-libaom Y4M prove all eight 1280x720 YUV420 frames exactly under normal and scalar dispatch; constrained tracked allocation verifies balanced exactly-once returns. The existing decoder required no production correction. The scoped test-project analyzer build completes with zero errors and 1,011 repository warnings, Roslynk reports zero compiler errors, both focused cases pass without failures or skips, and `git diff --check` is clean. + Status meanings: - **Complete:** the implementation and its phase exit evidence are recorded. @@ -57,7 +59,7 @@ Status meanings: Current development stage: **Stage 3 — complete AV1 still-image decoding.** The decoder retains reference/header/CDF/motion-field state, derives frame-level skip-mode references, consumes temporal segment prediction, decodes intra-coded blocks inside inter frames, and reconstructs translational single-reference, compound, inter-intra, OBMC, scaled-reference, local warped, and non-translational global prediction before residual traversal. Commit `1c58d855f70b024170ced9eb0a7005f0f9c955ad` adds exact official four-frame coverage through all ordinary inter modes, all three motion modes, every regular/smooth/sharp dual-filter pair, sub-8x8 chroma prediction, and no-round compound intermediates. Commit `019ac5648b4380a6ff4865072c96fde29ce09fad` adds exact selected-layer native reconstruction and scaled presentation. Neither AV1 nor HEVC production encoding is implemented. -Immediate checkpoint: **verification complete; commit pending — official two-spatial-layer, two-temporal-layer L2T2 AV1 sequence.** All eight 1280x720 YUV420 frames match pinned libaom exactly under normal/scalar dispatch, and constrained tracked allocation returns every allocation exactly once. The existing decoder required no production correction. The scoped test-project analyzer build completes with zero errors and 1,011 repository warnings, Roslynk reports zero compiler errors, both focused cases pass without failures or skips, and `git diff --check` is clean. Only the checkpoint commit remains open. +Immediate checkpoint: **verification complete; commit pending — official ten-frame active-film-grain AV1 sequence.** All ten displayed 352x288 YUV420 frames match the pinned-libaom grained output exactly under normal and scalar dispatch, active synthesis is explicit, and constrained tracked allocation returns every allocation exactly once. The fixture exposed a swapped AV1 default loop-filter delta: Golden now defaults to -1 and Backward to 0, restoring normative dependent-frame deblocking before display-only grain synthesis. A direct default-table regression, adjacent deblocking/CDEF cases, retained-reference and presentation ownership, both zero-warning Release source builds, the zero-error test-project analyzer build with 1,011 repository warnings, zero Roslynk compiler errors, 28 focused cases, documentation review, and `git diff --check` pass. Only the checkpoint commit remains open. | Order | Delivery stage | State | Delivered state | Gate that remains open | | --- | --- | --- | --- | --- | @@ -610,6 +612,7 @@ Implement and verify in dependency order: - [x] Decode the official two-spatial-layer L2T1 sequence at its default operating point. The 159,037-byte IVF has manifest-matching SHA-1 `E14825F50FF845B8A6932C64CB254007A0B5E3A1` and SHA-256 `D65824E8E7C19BC958DB810D728B2132B513B5A93CB5F99CA3D7995E19A226E1`; its pinned-libaom Y4M has SHA-256 `7A427631ECBF144F435AA4612F1201415FB1A9BCF9A67BA010AEF830B0C3AB81`. All eight 1280x720 YUV420 frames match exactly under normal and scalar dispatch, and an 8 KiB constrained tracked allocator verifies balanced exactly-once returns. The existing decoder required no production correction. Both Release source targets build with zero warnings and errors, the scoped test-project analyzer build completes with zero errors and 1,011 repository warnings, Roslynk reports zero compiler errors, and all five focused compact-sequence cases pass without failures or skips. - [x] Decode the official one-spatial-layer, two-temporal-layer L1T2 sequence at its default operating point. The 48,883-byte IVF has manifest-matching SHA-1 `E94687EB0E90179B3800B6D5E11EB7E9BFB34EEC` and SHA-256 `EADE696AB60415D476E1D2A489EC2CCCD24D5EAAADFA4559C6488B7932274C5E`; its pinned-libaom Y4M has SHA-256 `4012DE2D4AFD095E7BB68EAE18B50B0674781BB4971CECABC0E5471E63373ED3`. All eight 640x360 YUV420 frames match exactly under normal/scalar dispatch, and an 8 KiB constrained tracked allocator verifies balanced exactly-once returns. The existing decoder required no production correction. The scoped test-project analyzer build completes with zero errors and 1,011 repository warnings, Roslynk reports zero compiler errors, and both focused cases pass without failures or skips. - [x] Decode the official two-spatial-layer, two-temporal-layer L2T2 sequence at its default operating point. The 119,907-byte IVF has manifest-matching SHA-1 `32EF2F14EE9CB11A24A22934F4C065E926E5D236` and SHA-256 `14257D5FD3901581DBEB88133378CD79D50EA32506ADB729909AB56B4A52AF3C`; its pinned-libaom Y4M has SHA-256 `1ABB981CFF76BA9557DA437B258D8A95FCA755DED8E3949D857E8388AB1D6AE3`. All eight 1280x720 YUV420 frames match exactly under normal/scalar dispatch, and an 8 KiB constrained tracked allocator verifies balanced exactly-once returns. The existing decoder required no production correction. The scoped test-project analyzer build completes with zero errors and 1,011 repository warnings, Roslynk reports zero compiler errors, and both focused cases pass without failures or skips. + - [ ] **Verification complete; commit pending:** decode the official ten-frame active-film-grain sequence. The 28,634-byte IVF has manifest-matching SHA-1 `11BB40026103182C23A88133EDAFCA369E5575E2` and SHA-256 `BA3EDD82A58414F009E1C821B947EC8DE4E0420F33803CA7BFEA39AF6AEEA155`; its pinned-libaom grained Y4M has SHA-256 `C71958DE496A949D12E819190F240BD56010E5AD57D8A0D55903BF380A9E0C26`, while pinned libaom's skip-grain output differs with SHA-256 `9E0762A82E582E854AFF2DC61EBA1E48C0F1D41BBC21E5C896573DA3BB2F1200`. All ten displayed 352x288 YUV420 frames match exactly under normal/scalar dispatch; active synthesis, dependent retained-reference reconstruction, and 2 KiB constrained tracked allocation with exactly-once returns pass. The fixture corrected the AV1 default loop-filter reference deltas from a swapped Golden/Backward pair to the normative `[1, 0, 0, 0, -1, 0, -1, -1]` order. Both Release source targets build with zero warnings and errors, the scoped test-project analyzer build completes with zero errors and 1,011 repository warnings, Roslynk reports zero compiler errors, 28 focused cases pass without failures or skips, documentation review is complete, and `git diff --check` is clean. - [ ] Lossless and high-bit-depth reconstruction with correct clipping and intermediate precision. - [x] Route lossless 4x4 blocks through allocation-free reversible inverse Walsh-Hadamard reconstruction for 8/10/12-bit samples, including the DC-only specialization, `Vector128` production traversal, scalar fallback, exact clipping, and `FeatureTestRunner` parity. - [x] Verify lossless syntax, inverse quantization, prediction, and presented reconstruction with independently encoded 8/10/12-bit AVIF fixtures. The tests require coded residuals with palette and intra-block copy disabled, compare every native YUV sample with the pinned generic libaom-backed decoder, and compare every presented RGBA byte with pinned generic libavif exactly under normal hardware dispatch and the scalar fallback. diff --git a/src/ImageSharp/Formats/Heif/Av1/OpenBitstreamUnit/ObuLoopFilterParameters.cs b/src/ImageSharp/Formats/Heif/Av1/OpenBitstreamUnit/ObuLoopFilterParameters.cs index c334384b0..e50527d89 100644 --- a/src/ImageSharp/Formats/Heif/Av1/OpenBitstreamUnit/ObuLoopFilterParameters.cs +++ b/src/ImageSharp/Formats/Heif/Av1/OpenBitstreamUnit/ObuLoopFilterParameters.cs @@ -13,7 +13,8 @@ internal class ObuLoopFilterParameters /// public ObuLoopFilterParameters() { - this.ReferenceDeltas = [1, 0, 0, 0, 0, -1, -1, -1]; + // AV1 indexes this table from Intra through Alternate. Golden is -1; Backward remains 0. + this.ReferenceDeltas = [1, 0, 0, 0, -1, 0, -1, -1]; this.ModeDeltas = [0, 0]; } diff --git a/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1DeblockingFilterTests.cs b/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1DeblockingFilterTests.cs index e6027f454..c574b4b94 100644 --- a/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1DeblockingFilterTests.cs +++ b/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1DeblockingFilterTests.cs @@ -1,6 +1,7 @@ // Copyright (c) Six Labors. // Licensed under the Six Labors Split License. +using SixLabors.ImageSharp.Formats.Heif.Av1.OpenBitstreamUnit; using SixLabors.ImageSharp.Formats.Heif.Av1.Pipeline.LoopFilter; using SixLabors.ImageSharp.Tests.TestUtilities; @@ -27,6 +28,17 @@ public class Av1DeblockingFilterTests /// private const int EdgeCoordinate = 12; + /// + /// Verifies the AV1 reference-category default deltas used to derive frame-edge filter levels. + /// + [Fact] + public void LoopFilterReferenceDeltasMatchAv1Defaults() + { + ObuLoopFilterParameters parameters = new(); + + Assert.Equal([1, 0, 0, 0, -1, 0, -1, -1], parameters.ReferenceDeltas); + } + /// /// Verifies exact filtering and untouched padding against an independent scalar definition. /// diff --git a/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1ReconstructionConformanceTests.cs b/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1ReconstructionConformanceTests.cs index 547d0f38f..a4831e3c9 100644 --- a/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1ReconstructionConformanceTests.cs +++ b/tests/ImageSharp.Tests/Formats/Heif/Av1/Av1ReconstructionConformanceTests.cs @@ -231,6 +231,11 @@ public class Av1ReconstructionConformanceTests /// private const int OfficialSpatialTemporalLayerFixtureFrameCount = 8; + /// + /// The number of frames in the official libaom active-film-grain sequence. + /// + private const int OfficialFilmGrainFixtureFrameCount = 10; + /// /// The coverage bit representing tile-local adaptive CDF updates. /// @@ -246,6 +251,11 @@ public class Av1ReconstructionConformanceTests /// private const int ReferenceFrameMotionVectorCoverage = 1 << 2; + /// + /// The coverage bit representing displayed film-grain synthesis. + /// + private const int FilmGrainCoverage = 1 << 3; + /// /// The bit mask containing every intra prediction mode. /// @@ -1414,6 +1424,57 @@ public class Av1ReconstructionConformanceTests OfficialSpatialTemporalLayerFixtureWidth, OfficialSpatialTemporalLayerFixtureHeight); + /// + /// Verifies active film-grain presentation and dependent-frame reconstruction against exact pinned-libaom native + /// output under normal and scalar dispatch. + /// + [Fact] + public void DecodeOfficialFilmGrainSequenceMatchesPinnedLibaomReference() + => FeatureTestRunner.RunWithHwIntrinsicsFeature( + ValidateOfficialFilmGrainFixture, + ReconstructionConfigurations); + + /// + /// Verifies the official film-grain sequence through constrained tracked allocation. + /// + [Fact] + [ValidateDisposedMemoryAllocations] + public void DecodeOfficialFilmGrainSequenceWithConstrainedAllocator() + { + TestMemoryAllocator allocator = new() { BufferCapacityInBytes = 2_048 }; + allocator.EnableNonThreadSafeLogging(); + Configuration configuration = Configuration.Default.Clone(); + configuration.MemoryAllocator = allocator; + + int coverage = ValidateOfficialCompactSequence( + configuration, + TestImages.Heif.Av1OfficialFilmGrainSequence, + TestImages.Heif.Av1OfficialFilmGrainSequenceNativeReference, + OfficialFilmGrainFixtureFrameCount); + + Assert.NotEqual(0, coverage & FilmGrainCoverage); + Assert.Equal(allocator.AllocationLog.Count, allocator.ReturnLog.Count); + Assert.All( + allocator.AllocationLog, + allocation => Assert.Single( + allocator.ReturnLog, + returned => returned.AllocationId == allocation.AllocationId)); + } + + /// + /// Decodes the official film-grain sequence and verifies that synthesis is active. + /// + private static void ValidateOfficialFilmGrainFixture() + { + int coverage = ValidateOfficialCompactSequence( + Configuration.Default, + TestImages.Heif.Av1OfficialFilmGrainSequence, + TestImages.Heif.Av1OfficialFilmGrainSequenceNativeReference, + OfficialFilmGrainFixtureFrameCount); + + Assert.NotEqual(0, coverage & FilmGrainCoverage); + } + /// /// Decodes one compact official IVF sequence, compares every native sample, and returns its active frame-state /// coverage mask. @@ -1472,7 +1533,8 @@ public class Av1ReconstructionConformanceTests AssertNativePlanesEqual( decoder, frameBuffer, - nativeReference.AsSpan(nativeOffset, nativeFrameLength)); + nativeReference.AsSpan(nativeOffset, nativeFrameLength), + frameIndex); nativeOffset += nativeFrameLength; @@ -1480,6 +1542,7 @@ public class Av1ReconstructionConformanceTests coverage |= frameHeader.DisableCdfUpdate ? 0 : TileCdfUpdateCoverage; coverage |= frameHeader.DisableFrameEndUpdateCdf ? 0 : FrameEndCdfUpdateCoverage; coverage |= frameHeader.UseReferenceFrameMotionVectors ? ReferenceFrameMotionVectorCoverage : 0; + coverage |= frameHeader.FilmGrainParameters.ApplyGrain ? FilmGrainCoverage : 0; } Assert.Equal(ivf.Length, ivfOffset); @@ -3766,7 +3829,12 @@ public class Av1ReconstructionConformanceTests /// The decoder state used to identify the coded block containing a mismatch. /// The reconstructed AV1 component planes. /// The planar Y, U, and V samples produced by the pinned libaom decoder. - private static void AssertNativePlanesEqual(Av1Decoder decoder, Av1FrameBuffer frameBuffer, ReadOnlySpan reference) + /// The zero-based sequence-frame index, or -1 for a standalone sample. + private static void AssertNativePlanesEqual( + Av1Decoder decoder, + Av1FrameBuffer frameBuffer, + ReadOnlySpan reference, + int frameIndex = -1) { (int chromaSubsamplingX, int chromaSubsamplingY) = frameBuffer.ColorFormat switch { @@ -3871,7 +3939,8 @@ public class Av1ReconstructionConformanceTests largestExpected, largestActual, mismatchCount, - mismatchDescription?.ToString() ?? string.Empty); + mismatchDescription?.ToString() ?? string.Empty, + frameIndex); } /// @@ -3894,6 +3963,7 @@ public class Av1ReconstructionConformanceTests /// The reconstructed sample. /// The total number of unequal native samples. /// The first unequal samples in plane traversal order. + /// The zero-based sequence-frame index, or -1 for a standalone sample. private static void AssertSampleEqual( Av1Decoder decoder, Av1Plane plane, @@ -3902,7 +3972,8 @@ public class Av1ReconstructionConformanceTests ushort expected, ushort actual, int mismatchCount, - string mismatchDescription) + string mismatchDescription, + int frameIndex) { if (expected != actual) { @@ -3986,11 +4057,26 @@ public class Av1ReconstructionConformanceTests Av1BlockModeInfo nextRowModeInfo = frameInfo.GetModeInfoAt(new Point(modeInfoColumn, nextModeInfoRow)); Av1BlockModeInfo aboveModeInfo = frameInfo.GetModeInfoAt(new Point(modeInfoColumn, Math.Max(blockRow - 1, 0))); Av1BlockModeInfo leftModeInfo = frameInfo.GetModeInfoAt(new Point(Math.Max(blockColumn - 1, 0), modeInfoRow)); + string frameDescription = frameIndex < 0 ? string.Empty : $"Frame {frameIndex}, "; + StringBuilder filmGrainCoefficientDescription = new(); + ReadOnlySpan filmGrainCoefficients = frameHeader.FilmGrainParameters.ArCoeffsYPlus128; + int filmGrainCoefficientCount = 2 * (int)frameHeader.FilmGrainParameters.ArCoeffLag * + ((int)frameHeader.FilmGrainParameters.ArCoeffLag + 1); + + for (int coefficientIndex = 0; coefficientIndex < filmGrainCoefficientCount; coefficientIndex++) + { + if (coefficientIndex != 0) + { + filmGrainCoefficientDescription.Append(','); + } + + filmGrainCoefficientDescription.Append((int)filmGrainCoefficients[coefficientIndex] - 128); + } // Exact conformance failures need the owning syntax state. A coordinate alone does not distinguish // prediction, residual reconstruction, and in-loop filtering failures inside a large coded frame. Assert.Fail( - $"Plane {plane} differs at ({x}, {y}): expected {expected}, actual {actual}. " + $"{frameDescription}plane {plane} differs at ({x}, {y}): expected {expected}, actual {actual}. " + $"Total unequal samples={mismatchCount}:{mismatchDescription}. " + $"Block={modeInfo.BlockSize}, mode={modeInfo.YMode}, partition={modeInfo.PartitionType}, skip={modeInfo.Skip}, " + $"refs={modeInfo.ReferenceFrames[0]}/{modeInfo.ReferenceFrames[1]}, " @@ -4006,7 +4092,16 @@ public class Av1ReconstructionConformanceTests + $"superblock-q={superblock.SuperblockQuantizerIndex}{coefficientDescription}, " + $"delta-lf={frameHeader.DeltaLoopFilterParameters.IsPresent}/{frameHeader.DeltaLoopFilterParameters.IsMulti}, " + $"CDEF={cdefStrengthIndex}/{cdefStrength}, restoration={frameHeader.LoopRestorationParameters.Items[0].Type}, " - + $"film-grain={frameHeader.FilmGrainParameters.ApplyGrain}, " + + $"film-grain={frameHeader.FilmGrainParameters.ApplyGrain}/" + + $"overlap={frameHeader.FilmGrainParameters.OverlapFlag}/" + + $"update={frameHeader.FilmGrainParameters.UpdateGrain}/seed={frameHeader.FilmGrainParameters.GrainSeed}, " + + $"grain-points={frameHeader.FilmGrainParameters.NumYPoints}/" + + $"{frameHeader.FilmGrainParameters.NumCbPoints}/{frameHeader.FilmGrainParameters.NumCrPoints}, " + + $"grain-ar={frameHeader.FilmGrainParameters.ArCoeffLag}/" + + $"{frameHeader.FilmGrainParameters.ArCoeffShiftMinus6}, " + + $"grain-y-coefficients=[{filmGrainCoefficientDescription}], " + + $"grain-scale={frameHeader.FilmGrainParameters.GrainScalingMinus8}/" + + $"{frameHeader.FilmGrainParameters.GrainScaleShift}, " + $"tiles={frameHeader.TilesInfo.TileColumnCount}x{frameHeader.TilesInfo.TileRowCount}, " + $"first-tile-end=({frameHeader.TilesInfo.TileColumnStartModeInfo[1]}, {frameHeader.TilesInfo.TileRowStartModeInfo[1]}). " + $"Neighbors: above={aboveModeInfo.BlockSize}/{aboveModeInfo.YMode}/skip={aboveModeInfo.Skip}, " diff --git a/tests/ImageSharp.Tests/TestImages.cs b/tests/ImageSharp.Tests/TestImages.cs index 23f7964dd..75f7cf1b6 100644 --- a/tests/ImageSharp.Tests/TestImages.cs +++ b/tests/ImageSharp.Tests/TestImages.cs @@ -1404,6 +1404,8 @@ public static class TestImages public const string Av1OfficialTwoTemporalLayerSequenceNativeReference = "Heif/Av1/Conformance/libaom-av1-1-b8-22-svc-L1T2-libaom.y4m"; public const string Av1OfficialSpatialTemporalLayerSequence = "Heif/Av1/Conformance/libaom-av1-1-b8-22-svc-L2T2.ivf"; public const string Av1OfficialSpatialTemporalLayerSequenceNativeReference = "Heif/Av1/Conformance/libaom-av1-1-b8-22-svc-L2T2-libaom.y4m"; + public const string Av1OfficialFilmGrainSequence = "Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50.ivf"; + public const string Av1OfficialFilmGrainSequenceNativeReference = "Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50-libaom.y4m"; public const string Av1Cdef8BitPayload = "Heif/Av1/Conformance/libaom-cdef-kodim23-8b.bit"; public const string Av1Cdef8BitReference = "Heif/Av1/Conformance/libaom-cdef-kodim23-8b-libaom.yuv"; public const string Av1Cdef8BitAvif = "Heif/Av1/Conformance/libavif-cdef-kodim23-8b.avif"; diff --git a/tests/Images/Input/Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50-libaom.y4m b/tests/Images/Input/Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50-libaom.y4m new file mode 100644 index 000000000..e312db6b5 --- /dev/null +++ b/tests/Images/Input/Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50-libaom.y4m @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:c71958de496a949d12e819190f240bd56010e5ad57d8a0d55903bf380a9e0c26 +size 1520738 diff --git a/tests/Images/Input/Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50.ivf b/tests/Images/Input/Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50.ivf new file mode 100644 index 000000000..e298d56c5 --- /dev/null +++ b/tests/Images/Input/Heif/Av1/Conformance/libaom-av1-1-b8-23-film-grain-50.ivf @@ -0,0 +1,3 @@ +version https://git-lfs.github.com/spec/v1 +oid sha256:ba3edd82a58414f009e1c821b947ec8de4e0420f33803ca7bfea39af6aeea155 +size 28634