655 lines
24 KiB
C#
655 lines
24 KiB
C#
using Ryujinx.Graphics.Nvdec.Vp9.Common;
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using Ryujinx.Graphics.Nvdec.Vp9.Types;
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using System;
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using static Ryujinx.Graphics.Nvdec.Vp9.Dsp.IntraPred;
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namespace Ryujinx.Graphics.Nvdec.Vp9
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{
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internal static class ReconIntra
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{
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public static readonly TxType[] IntraModeToTxTypeLookup =
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{
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TxType.DctDct, // DC
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TxType.AdstDct, // V
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TxType.DctAdst, // H
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TxType.DctDct, // D45
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TxType.AdstAdst, // D135
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TxType.AdstDct, // D117
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TxType.DctAdst, // D153
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TxType.DctAdst, // D207
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TxType.AdstDct, // D63
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TxType.AdstAdst // TM
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};
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private const int NeedLeft = 1 << 1;
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private const int NeedAbove = 1 << 2;
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private const int NeedAboveRight = 1 << 3;
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private static ReadOnlySpan<byte> ExtendModes => new byte[]
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{
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NeedAbove | NeedLeft, // DC
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NeedAbove, // V
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NeedLeft, // H
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NeedAboveRight, // D45
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NeedLeft | NeedAbove, // D135
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NeedLeft | NeedAbove, // D117
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NeedLeft | NeedAbove, // D153
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NeedLeft, // D207
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NeedAboveRight, // D63
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NeedLeft | NeedAbove // TM
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};
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private unsafe delegate void IntraPredFn(byte* dst, int stride, byte* above, byte* left);
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private static readonly unsafe IntraPredFn[][] Pred =
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{
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new IntraPredFn[] { null, null, null, null },
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new IntraPredFn[] { VPredictor4x4, VPredictor8x8, VPredictor16x16, VPredictor32x32 },
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new IntraPredFn[] { HPredictor4x4, HPredictor8x8, HPredictor16x16, HPredictor32x32 },
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new IntraPredFn[] { D45Predictor4x4, D45Predictor8x8, D45Predictor16x16, D45Predictor32x32 },
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new IntraPredFn[] { D135Predictor4x4, D135Predictor8x8, D135Predictor16x16, D135Predictor32x32 },
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new IntraPredFn[] { D117Predictor4x4, D117Predictor8x8, D117Predictor16x16, D117Predictor32x32 },
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new IntraPredFn[] { D153Predictor4x4, D153Predictor8x8, D153Predictor16x16, D153Predictor32x32 },
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new IntraPredFn[] { D207Predictor4x4, D207Predictor8x8, D207Predictor16x16, D207Predictor32x32 },
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new IntraPredFn[] { D63Predictor4x4, D63Predictor8x8, D63Predictor16x16, D63Predictor32x32 },
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new IntraPredFn[] { TmPredictor4x4, TmPredictor8x8, TmPredictor16x16, TmPredictor32x32 }
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};
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private static readonly unsafe IntraPredFn[][][] DcPred =
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{
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new[]
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{
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new IntraPredFn[]
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{
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Dc128Predictor4x4, Dc128Predictor8x8, Dc128Predictor16x16, Dc128Predictor32x32
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},
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new IntraPredFn[]
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{
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DcTopPredictor4x4, DcTopPredictor8x8, DcTopPredictor16x16, DcTopPredictor32x32
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}
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},
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new[]
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{
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new IntraPredFn[]
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{
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DcLeftPredictor4x4, DcLeftPredictor8x8, DcLeftPredictor16x16, DcLeftPredictor32x32
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},
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new IntraPredFn[] { DcPredictor4x4, DcPredictor8x8, DcPredictor16x16, DcPredictor32x32 }
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}
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};
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private unsafe delegate void IntraHighPredFn(ushort* dst, int stride, ushort* above, ushort* left, int bd);
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private static readonly unsafe IntraHighPredFn[][] PredHigh =
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{
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new IntraHighPredFn[] { null, null, null, null },
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new IntraHighPredFn[]
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{
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HighbdVPredictor4x4, HighbdVPredictor8x8, HighbdVPredictor16x16, HighbdVPredictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdHPredictor4x4, HighbdHPredictor8x8, HighbdHPredictor16x16, HighbdHPredictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdD45Predictor4x4, HighbdD45Predictor8x8, HighbdD45Predictor16x16, HighbdD45Predictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdD135Predictor4x4, HighbdD135Predictor8x8, HighbdD135Predictor16x16,
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HighbdD135Predictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdD117Predictor4x4, HighbdD117Predictor8x8, HighbdD117Predictor16x16,
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HighbdD117Predictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdD153Predictor4x4, HighbdD153Predictor8x8, HighbdD153Predictor16x16,
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HighbdD153Predictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdD207Predictor4x4, HighbdD207Predictor8x8, HighbdD207Predictor16x16,
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HighbdD207Predictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdD63Predictor4x4, HighbdD63Predictor8x8, HighbdD63Predictor16x16, HighbdD63Predictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdTmPredictor4x4, HighbdTmPredictor8x8, HighbdTmPredictor16x16, HighbdTmPredictor32x32
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}
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};
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private static readonly unsafe IntraHighPredFn[][][] DcPredHigh =
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{
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new[]
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{
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new IntraHighPredFn[]
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{
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HighbdDc128Predictor4x4, HighbdDc128Predictor8x8, HighbdDc128Predictor16x16,
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HighbdDc128Predictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdDcTopPredictor4x4, HighbdDcTopPredictor8x8, HighbdDcTopPredictor16x16,
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HighbdDcTopPredictor32x32
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}
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},
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new[]
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{
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new IntraHighPredFn[]
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{
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HighbdDcLeftPredictor4x4, HighbdDcLeftPredictor8x8, HighbdDcLeftPredictor16x16,
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HighbdDcLeftPredictor32x32
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},
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new IntraHighPredFn[]
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{
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HighbdDcPredictor4x4, HighbdDcPredictor8x8, HighbdDcPredictor16x16,
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HighbdDcPredictor32x32
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}
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}
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};
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private static unsafe void BuildIntraPredictorsHigh(
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ref MacroBlockD xd,
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byte* ref8,
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int refStride,
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byte* dst8,
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int dstStride,
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PredictionMode mode,
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TxSize txSize,
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int upAvailable,
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int leftAvailable,
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int rightAvailable,
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int x,
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int y,
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int plane)
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{
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int i;
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ushort* dst = (ushort*)dst8;
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ushort* refr = (ushort*)ref8;
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ushort* leftCol = stackalloc ushort[32];
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ushort* aboveData = stackalloc ushort[64 + 16];
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ushort* aboveRow = aboveData + 16;
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ushort* constAboveRow = aboveRow;
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int bs = 4 << (int)txSize;
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int frameWidth, frameHeight;
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int x0, y0;
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ref MacroBlockDPlane pd = ref xd.Plane[plane];
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int needLeft = ExtendModes[(int)mode] & NeedLeft;
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int needAbove = ExtendModes[(int)mode] & NeedAbove;
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int needAboveRight = ExtendModes[(int)mode] & NeedAboveRight;
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int baseVal = 128 << (xd.Bd - 8);
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// 127 127 127 .. 127 127 127 127 127 127
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// 129 A B .. Y Z
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// 129 C D .. W X
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// 129 E F .. U V
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// 129 G H .. S T T T T T
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// For 10 bit and 12 bit, 127 and 129 are replaced by base -1 and base + 1.
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// Get current frame pointer, width and height.
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if (plane == 0)
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{
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frameWidth = xd.CurBuf.Width;
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frameHeight = xd.CurBuf.Height;
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}
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else
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{
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frameWidth = xd.CurBuf.UvWidth;
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frameHeight = xd.CurBuf.UvHeight;
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}
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// Get block position in current frame.
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x0 = (-xd.MbToLeftEdge >> (3 + pd.SubsamplingX)) + x;
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y0 = (-xd.MbToTopEdge >> (3 + pd.SubsamplingY)) + y;
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// NEED_LEFT
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if (needLeft != 0)
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{
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if (leftAvailable != 0)
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{
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if (xd.MbToBottomEdge < 0)
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{
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/* slower path if the block needs border extension */
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if (y0 + bs <= frameHeight)
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{
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for (i = 0; i < bs; ++i)
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{
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leftCol[i] = refr[(i * refStride) - 1];
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}
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}
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else
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{
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int extendBottom = frameHeight - y0;
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for (i = 0; i < extendBottom; ++i)
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{
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leftCol[i] = refr[(i * refStride) - 1];
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}
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for (; i < bs; ++i)
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{
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leftCol[i] = refr[((extendBottom - 1) * refStride) - 1];
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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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/* faster path if the block does not need extension */
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for (i = 0; i < bs; ++i)
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{
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leftCol[i] = refr[(i * refStride) - 1];
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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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MemoryUtil.Fill(leftCol, (ushort)(baseVal + 1), bs);
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}
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}
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// NEED_ABOVE
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if (needAbove != 0)
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{
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if (upAvailable != 0)
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{
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ushort* aboveRef = refr - refStride;
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if (xd.MbToRightEdge < 0)
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{
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/* slower path if the block needs border extension */
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if (x0 + bs <= frameWidth)
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{
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MemoryUtil.Copy(aboveRow, aboveRef, bs);
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}
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else if (x0 <= frameWidth)
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{
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int r = frameWidth - x0;
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MemoryUtil.Copy(aboveRow, aboveRef, r);
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MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + bs - frameWidth);
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}
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}
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else
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{
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/* faster path if the block does not need extension */
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if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
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{
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constAboveRow = aboveRef;
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}
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else
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{
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MemoryUtil.Copy(aboveRow, aboveRef, bs);
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}
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}
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aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (ushort)(baseVal + 1);
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}
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else
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{
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MemoryUtil.Fill(aboveRow, (ushort)(baseVal - 1), bs);
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aboveRow[-1] = (ushort)(baseVal - 1);
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}
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}
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// NEED_ABOVERIGHT
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if (needAboveRight != 0)
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{
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if (upAvailable != 0)
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{
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ushort* aboveRef = refr - refStride;
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if (xd.MbToRightEdge < 0)
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{
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/* slower path if the block needs border extension */
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if (x0 + (2 * bs) <= frameWidth)
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{
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if (rightAvailable != 0 && bs == 4)
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{
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MemoryUtil.Copy(aboveRow, aboveRef, 2 * bs);
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}
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else
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{
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MemoryUtil.Copy(aboveRow, aboveRef, bs);
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MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
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}
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}
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else if (x0 + bs <= frameWidth)
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{
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int r = frameWidth - x0;
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if (rightAvailable != 0 && bs == 4)
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{
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MemoryUtil.Copy(aboveRow, aboveRef, r);
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MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
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}
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else
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{
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MemoryUtil.Copy(aboveRow, aboveRef, bs);
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MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
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}
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}
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else if (x0 <= frameWidth)
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{
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int r = frameWidth - x0;
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MemoryUtil.Copy(aboveRow, aboveRef, r);
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MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
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}
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aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (ushort)(baseVal + 1);
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}
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else
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{
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/* faster path if the block does not need extension */
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if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
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{
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constAboveRow = aboveRef;
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}
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else
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{
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MemoryUtil.Copy(aboveRow, aboveRef, bs);
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if (bs == 4 && rightAvailable != 0)
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{
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MemoryUtil.Copy(aboveRow + bs, aboveRef + bs, bs);
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}
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else
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{
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MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
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}
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aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (ushort)(baseVal + 1);
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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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MemoryUtil.Fill(aboveRow, (ushort)(baseVal - 1), bs * 2);
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aboveRow[-1] = (ushort)(baseVal - 1);
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}
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}
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// Predict
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if (mode == PredictionMode.DcPred)
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{
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DcPredHigh[leftAvailable][upAvailable][(int)txSize](dst, dstStride, constAboveRow, leftCol, xd.Bd);
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}
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else
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{
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PredHigh[(int)mode][(int)txSize](dst, dstStride, constAboveRow, leftCol, xd.Bd);
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}
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}
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public static unsafe void BuildIntraPredictors(
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ref MacroBlockD xd,
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byte* refr,
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int refStride,
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byte* dst,
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int dstStride,
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PredictionMode mode,
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TxSize txSize,
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int upAvailable,
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int leftAvailable,
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int rightAvailable,
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int x,
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int y,
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int plane)
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{
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int i;
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byte* leftCol = stackalloc byte[32];
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byte* aboveData = stackalloc byte[64 + 16];
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byte* aboveRow = aboveData + 16;
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byte* constAboveRow = aboveRow;
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int bs = 4 << (int)txSize;
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int frameWidth, frameHeight;
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int x0, y0;
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ref MacroBlockDPlane pd = ref xd.Plane[plane];
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// 127 127 127 .. 127 127 127 127 127 127
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// 129 A B .. Y Z
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// 129 C D .. W X
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// 129 E F .. U V
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// 129 G H .. S T T T T T
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// ..
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// Get current frame pointer, width and height.
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if (plane == 0)
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{
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frameWidth = xd.CurBuf.Width;
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frameHeight = xd.CurBuf.Height;
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}
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else
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{
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frameWidth = xd.CurBuf.UvWidth;
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frameHeight = xd.CurBuf.UvHeight;
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}
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// Get block position in current frame.
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x0 = (-xd.MbToLeftEdge >> (3 + pd.SubsamplingX)) + x;
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y0 = (-xd.MbToTopEdge >> (3 + pd.SubsamplingY)) + y;
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// NEED_LEFT
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if ((ExtendModes[(int)mode] & NeedLeft) != 0)
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{
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if (leftAvailable != 0)
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{
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if (xd.MbToBottomEdge < 0)
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{
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/* Slower path if the block needs border extension */
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if (y0 + bs <= frameHeight)
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{
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for (i = 0; i < bs; ++i)
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{
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leftCol[i] = refr[(i * refStride) - 1];
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}
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}
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else
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{
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int extendBottom = frameHeight - y0;
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for (i = 0; i < extendBottom; ++i)
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{
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leftCol[i] = refr[(i * refStride) - 1];
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}
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for (; i < bs; ++i)
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{
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leftCol[i] = refr[((extendBottom - 1) * refStride) - 1];
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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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/* Faster path if the block does not need extension */
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for (i = 0; i < bs; ++i)
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{
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leftCol[i] = refr[(i * refStride) - 1];
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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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MemoryUtil.Fill(leftCol, (byte)129, bs);
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}
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}
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// NEED_ABOVE
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if ((ExtendModes[(int)mode] & NeedAbove) != 0)
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{
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if (upAvailable != 0)
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{
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byte* aboveRef = refr - refStride;
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if (xd.MbToRightEdge < 0)
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{
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/* Slower path if the block needs border extension */
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if (x0 + bs <= frameWidth)
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{
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MemoryUtil.Copy(aboveRow, aboveRef, bs);
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}
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else if (x0 <= frameWidth)
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{
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int r = frameWidth - x0;
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MemoryUtil.Copy(aboveRow, aboveRef, r);
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MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + bs - frameWidth);
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}
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}
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else
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{
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/* Faster path if the block does not need extension */
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if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
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{
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constAboveRow = aboveRef;
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}
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else
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{
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MemoryUtil.Copy(aboveRow, aboveRef, bs);
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}
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}
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aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (byte)129;
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}
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else
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{
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MemoryUtil.Fill(aboveRow, (byte)127, bs);
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aboveRow[-1] = 127;
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}
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}
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// NEED_ABOVERIGHT
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if ((ExtendModes[(int)mode] & NeedAboveRight) != 0)
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{
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if (upAvailable != 0)
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{
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byte* aboveRef = refr - refStride;
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if (xd.MbToRightEdge < 0)
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{
|
|
/* Slower path if the block needs border extension */
|
|
if (x0 + (2 * bs) <= frameWidth)
|
|
{
|
|
if (rightAvailable != 0 && bs == 4)
|
|
{
|
|
MemoryUtil.Copy(aboveRow, aboveRef, 2 * bs);
|
|
}
|
|
else
|
|
{
|
|
MemoryUtil.Copy(aboveRow, aboveRef, bs);
|
|
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
|
|
}
|
|
}
|
|
else if (x0 + bs <= frameWidth)
|
|
{
|
|
int r = frameWidth - x0;
|
|
if (rightAvailable != 0 && bs == 4)
|
|
{
|
|
MemoryUtil.Copy(aboveRow, aboveRef, r);
|
|
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
|
|
}
|
|
else
|
|
{
|
|
MemoryUtil.Copy(aboveRow, aboveRef, bs);
|
|
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
|
|
}
|
|
}
|
|
else if (x0 <= frameWidth)
|
|
{
|
|
int r = frameWidth - x0;
|
|
MemoryUtil.Copy(aboveRow, aboveRef, r);
|
|
MemoryUtil.Fill(aboveRow + r, aboveRow[r - 1], x0 + (2 * bs) - frameWidth);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* Faster path if the block does not need extension */
|
|
if (bs == 4 && rightAvailable != 0 && leftAvailable != 0)
|
|
{
|
|
constAboveRow = aboveRef;
|
|
}
|
|
else
|
|
{
|
|
MemoryUtil.Copy(aboveRow, aboveRef, bs);
|
|
if (bs == 4 && rightAvailable != 0)
|
|
{
|
|
MemoryUtil.Copy(aboveRow + bs, aboveRef + bs, bs);
|
|
}
|
|
else
|
|
{
|
|
MemoryUtil.Fill(aboveRow + bs, aboveRow[bs - 1], bs);
|
|
}
|
|
}
|
|
}
|
|
|
|
aboveRow[-1] = leftAvailable != 0 ? aboveRef[-1] : (byte)129;
|
|
}
|
|
else
|
|
{
|
|
MemoryUtil.Fill(aboveRow, (byte)127, bs * 2);
|
|
aboveRow[-1] = 127;
|
|
}
|
|
}
|
|
|
|
// Predict
|
|
if (mode == PredictionMode.DcPred)
|
|
{
|
|
DcPred[leftAvailable][upAvailable][(int)txSize](dst, dstStride, constAboveRow, leftCol);
|
|
}
|
|
else
|
|
{
|
|
Pred[(int)mode][(int)txSize](dst, dstStride, constAboveRow, leftCol);
|
|
}
|
|
}
|
|
|
|
public static unsafe void PredictIntraBlock(
|
|
ref MacroBlockD xd,
|
|
int bwlIn,
|
|
TxSize txSize,
|
|
PredictionMode mode,
|
|
byte* refr,
|
|
int refStride,
|
|
byte* dst,
|
|
int dstStride,
|
|
int aoff,
|
|
int loff,
|
|
int plane)
|
|
{
|
|
int bw = 1 << bwlIn;
|
|
int txw = 1 << (int)txSize;
|
|
int haveTop = loff != 0 || !xd.AboveMi.IsNull ? 1 : 0;
|
|
int haveLeft = aoff != 0 || !xd.LeftMi.IsNull ? 1 : 0;
|
|
int haveRight = aoff + txw < bw ? 1 : 0;
|
|
int x = aoff * 4;
|
|
int y = loff * 4;
|
|
|
|
if (xd.CurBuf.HighBd)
|
|
{
|
|
BuildIntraPredictorsHigh(
|
|
ref xd,
|
|
refr,
|
|
refStride,
|
|
dst,
|
|
dstStride,
|
|
mode,
|
|
txSize,
|
|
haveTop,
|
|
haveLeft,
|
|
haveRight,
|
|
x,
|
|
y,
|
|
plane);
|
|
return;
|
|
}
|
|
|
|
BuildIntraPredictors(
|
|
ref xd,
|
|
refr,
|
|
refStride,
|
|
dst,
|
|
dstStride,
|
|
mode,
|
|
txSize,
|
|
haveTop,
|
|
haveLeft,
|
|
haveRight,
|
|
x,
|
|
y,
|
|
plane);
|
|
}
|
|
}
|
|
} |