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Diffstat (limited to 'Ryujinx.Graphics.Nvdec.H264/SpsAndPpsReconstruction.cs')
-rw-r--r--Ryujinx.Graphics.Nvdec.H264/SpsAndPpsReconstruction.cs159
1 files changed, 0 insertions, 159 deletions
diff --git a/Ryujinx.Graphics.Nvdec.H264/SpsAndPpsReconstruction.cs b/Ryujinx.Graphics.Nvdec.H264/SpsAndPpsReconstruction.cs
deleted file mode 100644
index 6fd1ce79..00000000
--- a/Ryujinx.Graphics.Nvdec.H264/SpsAndPpsReconstruction.cs
+++ /dev/null
@@ -1,159 +0,0 @@
-using Ryujinx.Common.Memory;
-using Ryujinx.Graphics.Video;
-using System;
-
-namespace Ryujinx.Graphics.Nvdec.H264
-{
- static class SpsAndPpsReconstruction
- {
- public static Span<byte> Reconstruct(ref H264PictureInfo pictureInfo, byte[] workBuffer)
- {
- H264BitStreamWriter writer = new H264BitStreamWriter(workBuffer);
-
- // Sequence Parameter Set.
- writer.WriteU(1, 24);
- writer.WriteU(0, 1);
- writer.WriteU(3, 2);
- writer.WriteU(7, 5);
- writer.WriteU(100, 8); // Profile idc
- writer.WriteU(0, 8); // Reserved
- writer.WriteU(31, 8); // Level idc
- writer.WriteUe(0); // Seq parameter set id
- writer.WriteUe(pictureInfo.ChromaFormatIdc);
-
- if (pictureInfo.ChromaFormatIdc == 3)
- {
- writer.WriteBit(false); // Separate colour plane flag
- }
-
- writer.WriteUe(0); // Bit depth luma minus 8
- writer.WriteUe(0); // Bit depth chroma minus 8
- writer.WriteBit(pictureInfo.QpprimeYZeroTransformBypassFlag);
- writer.WriteBit(false); // Scaling matrix present flag
-
- writer.WriteUe(pictureInfo.Log2MaxFrameNumMinus4);
- writer.WriteUe(pictureInfo.PicOrderCntType);
-
- if (pictureInfo.PicOrderCntType == 0)
- {
- writer.WriteUe(pictureInfo.Log2MaxPicOrderCntLsbMinus4);
- }
- else if (pictureInfo.PicOrderCntType == 1)
- {
- writer.WriteBit(pictureInfo.DeltaPicOrderAlwaysZeroFlag);
-
- writer.WriteSe(0); // Offset for non-ref pic
- writer.WriteSe(0); // Offset for top to bottom field
- writer.WriteUe(0); // Num ref frames in pic order cnt cycle
- }
-
- writer.WriteUe(16); // Max num ref frames
- writer.WriteBit(false); // Gaps in frame num value allowed flag
- writer.WriteUe(pictureInfo.PicWidthInMbsMinus1);
- writer.WriteUe(pictureInfo.PicHeightInMapUnitsMinus1);
- writer.WriteBit(pictureInfo.FrameMbsOnlyFlag);
-
- if (!pictureInfo.FrameMbsOnlyFlag)
- {
- writer.WriteBit(pictureInfo.MbAdaptiveFrameFieldFlag);
- }
-
- writer.WriteBit(pictureInfo.Direct8x8InferenceFlag);
- writer.WriteBit(false); // Frame cropping flag
- writer.WriteBit(false); // VUI parameter present flag
-
- writer.End();
-
- // Picture Parameter Set.
- writer.WriteU(1, 24);
- writer.WriteU(0, 1);
- writer.WriteU(3, 2);
- writer.WriteU(8, 5);
-
- writer.WriteUe(0); // Pic parameter set id
- writer.WriteUe(0); // Seq parameter set id
-
- writer.WriteBit(pictureInfo.EntropyCodingModeFlag);
- writer.WriteBit(pictureInfo.PicOrderPresentFlag);
- writer.WriteUe(0); // Num slice groups minus 1
- writer.WriteUe(pictureInfo.NumRefIdxL0ActiveMinus1);
- writer.WriteUe(pictureInfo.NumRefIdxL1ActiveMinus1);
- writer.WriteBit(pictureInfo.WeightedPredFlag);
- writer.WriteU(pictureInfo.WeightedBipredIdc, 2);
- writer.WriteSe(pictureInfo.PicInitQpMinus26);
- writer.WriteSe(0); // Pic init qs minus 26
- writer.WriteSe(pictureInfo.ChromaQpIndexOffset);
- writer.WriteBit(pictureInfo.DeblockingFilterControlPresentFlag);
- writer.WriteBit(pictureInfo.ConstrainedIntraPredFlag);
- writer.WriteBit(pictureInfo.RedundantPicCntPresentFlag);
- writer.WriteBit(pictureInfo.Transform8x8ModeFlag);
-
- writer.WriteBit(pictureInfo.ScalingMatrixPresent);
-
- if (pictureInfo.ScalingMatrixPresent)
- {
- for (int index = 0; index < 6; index++)
- {
- writer.WriteBit(true);
-
- WriteScalingList(ref writer, pictureInfo.ScalingLists4x4[index]);
- }
-
- if (pictureInfo.Transform8x8ModeFlag)
- {
- for (int index = 0; index < 2; index++)
- {
- writer.WriteBit(true);
-
- WriteScalingList(ref writer, pictureInfo.ScalingLists8x8[index]);
- }
- }
- }
-
- writer.WriteSe(pictureInfo.SecondChromaQpIndexOffset);
-
- writer.End();
-
- return writer.AsSpan();
- }
-
- // ZigZag LUTs from libavcodec.
- private static readonly byte[] ZigZagDirect = new byte[]
- {
- 0, 1, 8, 16, 9, 2, 3, 10,
- 17, 24, 32, 25, 18, 11, 4, 5,
- 12, 19, 26, 33, 40, 48, 41, 34,
- 27, 20, 13, 6, 7, 14, 21, 28,
- 35, 42, 49, 56, 57, 50, 43, 36,
- 29, 22, 15, 23, 30, 37, 44, 51,
- 58, 59, 52, 45, 38, 31, 39, 46,
- 53, 60, 61, 54, 47, 55, 62, 63
- };
-
- private static readonly byte[] ZigZagScan = new byte[]
- {
- 0 + 0 * 4, 1 + 0 * 4, 0 + 1 * 4, 0 + 2 * 4,
- 1 + 1 * 4, 2 + 0 * 4, 3 + 0 * 4, 2 + 1 * 4,
- 1 + 2 * 4, 0 + 3 * 4, 1 + 3 * 4, 2 + 2 * 4,
- 3 + 1 * 4, 3 + 2 * 4, 2 + 3 * 4, 3 + 3 * 4
- };
-
- private static void WriteScalingList(ref H264BitStreamWriter writer, IArray<byte> list)
- {
- byte[] scan = list.Length == 16 ? ZigZagScan : ZigZagDirect;
-
- int lastScale = 8;
-
- for (int index = 0; index < list.Length; index++)
- {
- byte value = list[scan[index]];
-
- int deltaScale = value - lastScale;
-
- writer.WriteSe(deltaScale);
-
- lastScale = value;
- }
- }
- }
-}