mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-07 22:28:33 +00:00
4d02a2d2c0
* Initial NVDEC and VIC implementation * Update FFmpeg.AutoGen to 4.3.0 * Add nvdec dependencies for Windows * Unify some VP9 structures * Rename VP9 structure fields * Improvements to Video API * XML docs for Common.Memory * Remove now unused or redundant overloads from MemoryAccessor * NVDEC UV surface read/write scalar paths * Add FIXME comments about hacky things/stuff that will need to be fixed in the future * Cleaned up VP9 memory allocation * Remove some debug logs * Rename some VP9 structs * Remove unused struct * No need to compile Ryujinx.Graphics.Host1x with unsafe anymore * Name AsyncWorkQueue threads to make debugging easier * Make Vp9PictureInfo a ref struct * LayoutConverter no longer needs the depth argument (broken by rebase) * Pooling of VP9 buffers, plus fix a memory leak on VP9 * Really wish VS could rename projects properly... * Address feedback * Remove using * Catch OperationCanceledException * Add licensing informations * Add THIRDPARTY.md to release too Co-authored-by: Thog <me@thog.eu>
419 lines
16 KiB
C#
419 lines
16 KiB
C#
using Ryujinx.Common.Memory;
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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 System.Runtime.InteropServices;
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namespace Ryujinx.Graphics.Nvdec.Vp9
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{
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internal static class LoopFilter
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{
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public const int MaxLoopFilter = 63;
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public const int MaxRefLfDeltas = 4;
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public const int MaxModeLfDeltas = 2;
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// 64 bit masks for left transform size. Each 1 represents a position where
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// we should apply a loop filter across the left border of an 8x8 block
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// boundary.
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//
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// In the case of TX_16X16 -> ( in low order byte first we end up with
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// a mask that looks like this
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//
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// 10101010
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// 10101010
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// 10101010
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// 10101010
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// 10101010
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// 10101010
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// 10101010
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// 10101010
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//
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// A loopfilter should be applied to every other 8x8 horizontally.
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private static readonly ulong[] Left64X64TxformMask = new ulong[]
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{
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0xffffffffffffffffUL, // TX_4X4
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0xffffffffffffffffUL, // TX_8x8
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0x5555555555555555UL, // TX_16x16
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0x1111111111111111UL, // TX_32x32
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};
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// 64 bit masks for above transform size. Each 1 represents a position where
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// we should apply a loop filter across the top border of an 8x8 block
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// boundary.
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//
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// In the case of TX_32x32 -> ( in low order byte first we end up with
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// a mask that looks like this
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//
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// 11111111
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// 00000000
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// 00000000
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// 00000000
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// 11111111
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// 00000000
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// 00000000
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// 00000000
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//
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// A loopfilter should be applied to every other 4 the row vertically.
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private static readonly ulong[] Above64X64TxformMask = new ulong[]
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{
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0xffffffffffffffffUL, // TX_4X4
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0xffffffffffffffffUL, // TX_8x8
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0x00ff00ff00ff00ffUL, // TX_16x16
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0x000000ff000000ffUL, // TX_32x32
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};
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// 64 bit masks for prediction sizes (left). Each 1 represents a position
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// where left border of an 8x8 block. These are aligned to the right most
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// appropriate bit, and then shifted into place.
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//
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// In the case of TX_16x32 -> ( low order byte first ) we end up with
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// a mask that looks like this :
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//
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// 10000000
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// 10000000
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// 10000000
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// 10000000
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// 00000000
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// 00000000
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// 00000000
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// 00000000
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private static readonly ulong[] LeftPredictionMask = new ulong[]
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{
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0x0000000000000001UL, // BLOCK_4X4,
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0x0000000000000001UL, // BLOCK_4X8,
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0x0000000000000001UL, // BLOCK_8X4,
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0x0000000000000001UL, // BLOCK_8X8,
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0x0000000000000101UL, // BLOCK_8X16,
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0x0000000000000001UL, // BLOCK_16X8,
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0x0000000000000101UL, // BLOCK_16X16,
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0x0000000001010101UL, // BLOCK_16X32,
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0x0000000000000101UL, // BLOCK_32X16,
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0x0000000001010101UL, // BLOCK_32X32,
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0x0101010101010101UL, // BLOCK_32X64,
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0x0000000001010101UL, // BLOCK_64X32,
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0x0101010101010101UL, // BLOCK_64X64
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};
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// 64 bit mask to shift and set for each prediction size.
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private static readonly ulong[] AbovePredictionMask = new ulong[]
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{
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0x0000000000000001UL, // BLOCK_4X4
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0x0000000000000001UL, // BLOCK_4X8
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0x0000000000000001UL, // BLOCK_8X4
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0x0000000000000001UL, // BLOCK_8X8
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0x0000000000000001UL, // BLOCK_8X16,
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0x0000000000000003UL, // BLOCK_16X8
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0x0000000000000003UL, // BLOCK_16X16
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0x0000000000000003UL, // BLOCK_16X32,
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0x000000000000000fUL, // BLOCK_32X16,
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0x000000000000000fUL, // BLOCK_32X32,
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0x000000000000000fUL, // BLOCK_32X64,
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0x00000000000000ffUL, // BLOCK_64X32,
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0x00000000000000ffUL, // BLOCK_64X64
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};
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// 64 bit mask to shift and set for each prediction size. A bit is set for
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// each 8x8 block that would be in the left most block of the given block
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// size in the 64x64 block.
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private static readonly ulong[] SizeMask = new ulong[]
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{
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0x0000000000000001UL, // BLOCK_4X4
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0x0000000000000001UL, // BLOCK_4X8
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0x0000000000000001UL, // BLOCK_8X4
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0x0000000000000001UL, // BLOCK_8X8
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0x0000000000000101UL, // BLOCK_8X16,
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0x0000000000000003UL, // BLOCK_16X8
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0x0000000000000303UL, // BLOCK_16X16
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0x0000000003030303UL, // BLOCK_16X32,
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0x0000000000000f0fUL, // BLOCK_32X16,
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0x000000000f0f0f0fUL, // BLOCK_32X32,
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0x0f0f0f0f0f0f0f0fUL, // BLOCK_32X64,
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0x00000000ffffffffUL, // BLOCK_64X32,
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0xffffffffffffffffUL, // BLOCK_64X64
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};
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// These are used for masking the left and above borders.
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private const ulong LeftBorder = 0x1111111111111111UL;
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private const ulong AboveBorder = 0x000000ff000000ffUL;
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// 16 bit masks for uv transform sizes.
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private static readonly ushort[] Left64X64TxformMaskUv = new ushort[]
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{
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0xffff, // TX_4X4
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0xffff, // TX_8x8
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0x5555, // TX_16x16
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0x1111, // TX_32x32
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};
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private static readonly ushort[] Above64X64TxformMaskUv = new ushort[]
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{
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0xffff, // TX_4X4
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0xffff, // TX_8x8
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0x0f0f, // TX_16x16
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0x000f, // TX_32x32
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};
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// 16 bit left mask to shift and set for each uv prediction size.
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private static readonly ushort[] LeftPredictionMaskUv = new ushort[]
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{
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0x0001, // BLOCK_4X4,
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0x0001, // BLOCK_4X8,
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0x0001, // BLOCK_8X4,
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0x0001, // BLOCK_8X8,
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0x0001, // BLOCK_8X16,
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0x0001, // BLOCK_16X8,
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0x0001, // BLOCK_16X16,
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0x0011, // BLOCK_16X32,
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0x0001, // BLOCK_32X16,
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0x0011, // BLOCK_32X32,
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0x1111, // BLOCK_32X64
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0x0011, // BLOCK_64X32,
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0x1111, // BLOCK_64X64
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};
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// 16 bit above mask to shift and set for uv each prediction size.
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private static readonly ushort[] AbovePredictionMaskUv = new ushort[]
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{
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0x0001, // BLOCK_4X4
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0x0001, // BLOCK_4X8
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0x0001, // BLOCK_8X4
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0x0001, // BLOCK_8X8
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0x0001, // BLOCK_8X16,
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0x0001, // BLOCK_16X8
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0x0001, // BLOCK_16X16
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0x0001, // BLOCK_16X32,
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0x0003, // BLOCK_32X16,
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0x0003, // BLOCK_32X32,
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0x0003, // BLOCK_32X64,
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0x000f, // BLOCK_64X32,
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0x000f, // BLOCK_64X64
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};
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// 64 bit mask to shift and set for each uv prediction size
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private static readonly ushort[] SizeMaskUv = new ushort[]
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{
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0x0001, // BLOCK_4X4
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0x0001, // BLOCK_4X8
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0x0001, // BLOCK_8X4
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0x0001, // BLOCK_8X8
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0x0001, // BLOCK_8X16,
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0x0001, // BLOCK_16X8
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0x0001, // BLOCK_16X16
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0x0011, // BLOCK_16X32,
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0x0003, // BLOCK_32X16,
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0x0033, // BLOCK_32X32,
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0x3333, // BLOCK_32X64,
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0x00ff, // BLOCK_64X32,
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0xffff, // BLOCK_64X64
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};
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private const ushort LeftBorderUv = 0x1111;
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private const ushort AboveBorderUv = 0x000f;
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private static readonly int[] ModeLfLut = new int[]
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{
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // INTRA_MODES
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1, 1, 0, 1 // INTER_MODES (ZEROMV == 0)
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};
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private static byte GetFilterLevel(ref LoopFilterInfoN lfiN, ref ModeInfo mi)
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{
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return lfiN.Lvl[mi.SegmentId][mi.RefFrame[0]][ModeLfLut[(int)mi.Mode]];
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}
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private static ref LoopFilterMask GetLfm(ref Types.LoopFilter lf, int miRow, int miCol)
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{
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return ref lf.Lfm[(miCol >> 3) + ((miRow >> 3) * lf.LfmStride)];
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}
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// 8x8 blocks in a superblock. A "1" represents the first block in a 16x16
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// or greater area.
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private static readonly byte[][] FirstBlockIn16x16 = new byte[][]
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{
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new byte[] { 1, 0, 1, 0, 1, 0, 1, 0 }, new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 },
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new byte[] { 1, 0, 1, 0, 1, 0, 1, 0 }, new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 },
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new byte[] { 1, 0, 1, 0, 1, 0, 1, 0 }, new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 },
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new byte[] { 1, 0, 1, 0, 1, 0, 1, 0 }, new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }
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};
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// This function sets up the bit masks for a block represented
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// by miRow, miCol in a 64x64 region.
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public static void BuildMask(ref Vp9Common cm, ref ModeInfo mi, int miRow, int miCol, int bw, int bh)
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{
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BlockSize blockSize = mi.SbType;
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TxSize txSizeY = mi.TxSize;
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ref LoopFilterInfoN lfiN = ref cm.LfInfo;
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int filterLevel = GetFilterLevel(ref lfiN, ref mi);
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TxSize txSizeUv = Luts.UvTxsizeLookup[(int)blockSize][(int)txSizeY][1][1];
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ref LoopFilterMask lfm = ref GetLfm(ref cm.Lf, miRow, miCol);
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ref ulong leftY = ref lfm.LeftY[(int)txSizeY];
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ref ulong aboveY = ref lfm.AboveY[(int)txSizeY];
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ref ulong int4X4Y = ref lfm.Int4x4Y;
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ref ushort leftUv = ref lfm.LeftUv[(int)txSizeUv];
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ref ushort aboveUv = ref lfm.AboveUv[(int)txSizeUv];
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ref ushort int4X4Uv = ref lfm.Int4x4Uv;
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int rowInSb = (miRow & 7);
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int colInSb = (miCol & 7);
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int shiftY = colInSb + (rowInSb << 3);
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int shiftUv = (colInSb >> 1) + ((rowInSb >> 1) << 2);
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int buildUv = FirstBlockIn16x16[rowInSb][colInSb];
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if (filterLevel == 0)
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{
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return;
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}
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else
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{
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int index = shiftY;
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int i;
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for (i = 0; i < bh; i++)
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{
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MemoryMarshal.CreateSpan(ref lfm.LflY[index], 64 - index).Slice(0, bw).Fill((byte)filterLevel);
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index += 8;
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}
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}
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// These set 1 in the current block size for the block size edges.
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// For instance if the block size is 32x16, we'll set:
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// above = 1111
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// 0000
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// and
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// left = 1000
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// = 1000
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// NOTE : In this example the low bit is left most ( 1000 ) is stored as
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// 1, not 8...
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//
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// U and V set things on a 16 bit scale.
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//
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aboveY |= AbovePredictionMask[(int)blockSize] << shiftY;
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leftY |= LeftPredictionMask[(int)blockSize] << shiftY;
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if (buildUv != 0)
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{
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aboveUv |= (ushort)(AbovePredictionMaskUv[(int)blockSize] << shiftUv);
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leftUv |= (ushort)(LeftPredictionMaskUv[(int)blockSize] << shiftUv);
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}
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// If the block has no coefficients and is not intra we skip applying
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// the loop filter on block edges.
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if (mi.Skip != 0 && mi.IsInterBlock())
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{
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return;
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}
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// Add a mask for the transform size. The transform size mask is set to
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// be correct for a 64x64 prediction block size. Mask to match the size of
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// the block we are working on and then shift it into place.
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aboveY |= (SizeMask[(int)blockSize] & Above64X64TxformMask[(int)txSizeY]) << shiftY;
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leftY |= (SizeMask[(int)blockSize] & Left64X64TxformMask[(int)txSizeY]) << shiftY;
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if (buildUv != 0)
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{
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aboveUv |= (ushort)((SizeMaskUv[(int)blockSize] & Above64X64TxformMaskUv[(int)txSizeUv]) << shiftUv);
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leftUv |= (ushort)((SizeMaskUv[(int)blockSize] & Left64X64TxformMaskUv[(int)txSizeUv]) << shiftUv);
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}
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// Try to determine what to do with the internal 4x4 block boundaries. These
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// differ from the 4x4 boundaries on the outside edge of an 8x8 in that the
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// internal ones can be skipped and don't depend on the prediction block size.
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if (txSizeY == TxSize.Tx4x4)
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{
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int4X4Y |= SizeMask[(int)blockSize] << shiftY;
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}
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if (buildUv != 0 && txSizeUv == TxSize.Tx4x4)
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{
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int4X4Uv |= (ushort)((SizeMaskUv[(int)blockSize] & 0xffff) << shiftUv);
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}
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}
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public static unsafe void ResetLfm(ref Vp9Common cm)
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{
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if (cm.Lf.FilterLevel != 0)
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{
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MemoryUtil.Fill(cm.Lf.Lfm.ToPointer(), new LoopFilterMask(), ((cm.MiRows + (Constants.MiBlockSize - 1)) >> 3) * cm.Lf.LfmStride);
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}
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}
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private static void UpdateSharpness(ref LoopFilterInfoN lfi, int sharpnessLvl)
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{
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int lvl;
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// For each possible value for the loop filter fill out limits
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for (lvl = 0; lvl <= MaxLoopFilter; lvl++)
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{
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// Set loop filter parameters that control sharpness.
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int blockInsideLimit = lvl >> ((sharpnessLvl > 0 ? 1 : 0) + (sharpnessLvl > 4 ? 1 : 0));
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if (sharpnessLvl > 0)
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{
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if (blockInsideLimit > (9 - sharpnessLvl))
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{
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blockInsideLimit = (9 - sharpnessLvl);
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}
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}
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if (blockInsideLimit < 1)
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{
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blockInsideLimit = 1;
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}
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lfi.Lfthr[lvl].Lim.ToSpan().Fill((byte)blockInsideLimit);
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lfi.Lfthr[lvl].Mblim.ToSpan().Fill((byte)(2 * (lvl + 2) + blockInsideLimit));
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}
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}
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public static void LoopFilterFrameInit(ref Vp9Common cm, int defaultFiltLvl)
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{
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int segId;
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// nShift is the multiplier for lfDeltas
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// the multiplier is 1 for when filterLvl is between 0 and 31;
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// 2 when filterLvl is between 32 and 63
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int scale = 1 << (defaultFiltLvl >> 5);
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ref LoopFilterInfoN lfi = ref cm.LfInfo;
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ref Types.LoopFilter lf = ref cm.Lf;
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ref Segmentation seg = ref cm.Seg;
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// Update limits if sharpness has changed
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if (lf.LastSharpnessLevel != lf.SharpnessLevel)
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{
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UpdateSharpness(ref lfi, lf.SharpnessLevel);
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lf.LastSharpnessLevel = lf.SharpnessLevel;
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}
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for (segId = 0; segId < Constants.MaxSegments; segId++)
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{
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int lvlSeg = defaultFiltLvl;
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if (seg.IsSegFeatureActive(segId, SegLvlFeatures.SegLvlAltLf) != 0)
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{
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int data = seg.GetSegData(segId, SegLvlFeatures.SegLvlAltLf);
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lvlSeg = Math.Clamp(seg.AbsDelta == Constants.SegmentAbsData ? data : defaultFiltLvl + data, 0, MaxLoopFilter);
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}
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if (!lf.ModeRefDeltaEnabled)
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{
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// We could get rid of this if we assume that deltas are set to
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// zero when not in use; encoder always uses deltas
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MemoryMarshal.Cast<Array2<byte>, byte>(lfi.Lvl[segId].ToSpan()).Fill((byte)lvlSeg);
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}
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else
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{
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int refr, mode;
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int intraLvl = lvlSeg + lf.RefDeltas[Constants.IntraFrame] * scale;
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lfi.Lvl[segId][Constants.IntraFrame][0] = (byte)Math.Clamp(intraLvl, 0, MaxLoopFilter);
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for (refr = Constants.LastFrame; refr < Constants.MaxRefFrames; ++refr)
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{
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for (mode = 0; mode < MaxModeLfDeltas; ++mode)
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{
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int interLvl = lvlSeg + lf.RefDeltas[refr] * scale + lf.ModeDeltas[mode] * scale;
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lfi.Lvl[segId][refr][mode] = (byte)Math.Clamp(interLvl, 0, MaxLoopFilter);
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}
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}
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}
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}
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}
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}
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}
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