| // Copyright 2019 The libgav1 Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/utils/constants.h" |
| |
| namespace libgav1 { |
| |
| const uint8_t k4x4WidthLog2[kMaxBlockSizes] = {0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, |
| 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5}; |
| |
| const uint8_t k4x4HeightLog2[kMaxBlockSizes] = { |
| 0, 1, 2, 0, 1, 2, 3, 0, 1, 2, 3, 4, 1, 2, 3, 4, 2, 3, 4, 5, 4, 5}; |
| |
| const uint8_t kNum4x4BlocksWide[kMaxBlockSizes] = { |
| 1, 1, 1, 2, 2, 2, 2, 4, 4, 4, 4, 4, 8, 8, 8, 8, 16, 16, 16, 16, 32, 32}; |
| |
| const uint8_t kNum4x4BlocksHigh[kMaxBlockSizes] = { |
| 1, 2, 4, 1, 2, 4, 8, 1, 2, 4, 8, 16, 2, 4, 8, 16, 4, 8, 16, 32, 16, 32}; |
| |
| const uint8_t kBlockWidthPixels[kMaxBlockSizes] = { |
| 4, 4, 4, 8, 8, 8, 8, 16, 16, 16, 16, |
| 16, 32, 32, 32, 32, 64, 64, 64, 64, 128, 128}; |
| |
| const uint8_t kBlockHeightPixels[kMaxBlockSizes] = { |
| 4, 8, 16, 4, 8, 16, 32, 4, 8, 16, 32, |
| 64, 8, 16, 32, 64, 16, 32, 64, 128, 64, 128}; |
| |
| // 9.3 -- Partition_Subsize[] |
| const BlockSize kSubSize[kMaxPartitionTypes][kMaxBlockSizes] = { |
| // kPartitionNone |
| {kBlock4x4, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x32, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock64x64, kBlockInvalid, |
| kBlockInvalid, kBlock128x128}, |
| // kPartitionHorizontal |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x4, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock64x32, kBlockInvalid, |
| kBlockInvalid, kBlock128x64}, |
| // kPartitionVertical |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock4x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x32, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x64, kBlockInvalid, |
| kBlockInvalid, kBlock64x128}, |
| // kPartitionSplit |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock4x4, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x32, kBlockInvalid, |
| kBlockInvalid, kBlock64x64}, |
| // kPartitionHorizontalWithTopSplit |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x4, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock64x32, kBlockInvalid, |
| kBlockInvalid, kBlock128x64}, |
| // kPartitionHorizontalWithBottomSplit |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x4, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock64x32, kBlockInvalid, |
| kBlockInvalid, kBlock128x64}, |
| // kPartitionVerticalWithLeftSplit |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock4x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x32, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x64, kBlockInvalid, |
| kBlockInvalid, kBlock64x128}, |
| // kPartitionVerticalWithRightSplit |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock4x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x32, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x64, kBlockInvalid, |
| kBlockInvalid, kBlock64x128}, |
| // kPartitionHorizontal4 |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x4, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock32x8, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock64x16, kBlockInvalid, |
| kBlockInvalid, kBlockInvalid}, |
| // kPartitionVertical4 |
| {kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock4x16, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock8x32, |
| kBlockInvalid, kBlockInvalid, kBlockInvalid, kBlock16x64, kBlockInvalid, |
| kBlockInvalid, kBlockInvalid}}; |
| |
| // 5.11.38 (implemented as a simple look up. first dimension is block size, |
| // second and third are subsampling_x and subsampling_y). |
| const BlockSize kPlaneResidualSize[kMaxBlockSizes][2][2] = { |
| {{kBlock4x4, kBlock4x4}, {kBlock4x4, kBlock4x4}}, |
| {{kBlock4x8, kBlock4x4}, {kBlockInvalid, kBlock4x4}}, |
| {{kBlock4x16, kBlock4x8}, {kBlockInvalid, kBlock4x8}}, |
| {{kBlock8x4, kBlockInvalid}, {kBlock4x4, kBlock4x4}}, |
| {{kBlock8x8, kBlock8x4}, {kBlock4x8, kBlock4x4}}, |
| {{kBlock8x16, kBlock8x8}, {kBlockInvalid, kBlock4x8}}, |
| {{kBlock8x32, kBlock8x16}, {kBlockInvalid, kBlock4x16}}, |
| {{kBlock16x4, kBlockInvalid}, {kBlock8x4, kBlock8x4}}, |
| {{kBlock16x8, kBlockInvalid}, {kBlock8x8, kBlock8x4}}, |
| {{kBlock16x16, kBlock16x8}, {kBlock8x16, kBlock8x8}}, |
| {{kBlock16x32, kBlock16x16}, {kBlockInvalid, kBlock8x16}}, |
| {{kBlock16x64, kBlock16x32}, {kBlockInvalid, kBlock8x32}}, |
| {{kBlock32x8, kBlockInvalid}, {kBlock16x8, kBlock16x4}}, |
| {{kBlock32x16, kBlockInvalid}, {kBlock16x16, kBlock16x8}}, |
| {{kBlock32x32, kBlock32x16}, {kBlock16x32, kBlock16x16}}, |
| {{kBlock32x64, kBlock32x32}, {kBlockInvalid, kBlock16x32}}, |
| {{kBlock64x16, kBlockInvalid}, {kBlock32x16, kBlock32x8}}, |
| {{kBlock64x32, kBlockInvalid}, {kBlock32x32, kBlock32x16}}, |
| {{kBlock64x64, kBlock64x32}, {kBlock32x64, kBlock32x32}}, |
| {{kBlock64x128, kBlock64x64}, {kBlockInvalid, kBlock32x64}}, |
| {{kBlock128x64, kBlockInvalid}, {kBlock64x64, kBlock64x32}}, |
| {{kBlock128x128, kBlock128x64}, {kBlock64x128, kBlock64x64}}}; |
| |
| const int16_t kProjectionMvDivisionLookup[kMaxFrameDistance + 1] = { |
| 0, 16384, 8192, 5461, 4096, 3276, 2730, 2340, 2048, 1820, 1638, |
| 1489, 1365, 1260, 1170, 1092, 1024, 963, 910, 862, 819, 780, |
| 744, 712, 682, 655, 630, 606, 585, 564, 546, 528}; |
| |
| const uint8_t kTransformWidth[kNumTransformSizes] = { |
| 4, 4, 4, 8, 8, 8, 8, 16, 16, 16, 16, 16, 32, 32, 32, 32, 64, 64, 64}; |
| |
| const uint8_t kTransformHeight[kNumTransformSizes] = { |
| 4, 8, 16, 4, 8, 16, 32, 4, 8, 16, 32, 64, 8, 16, 32, 64, 16, 32, 64}; |
| |
| const uint8_t kTransformWidth4x4[kNumTransformSizes] = { |
| 1, 1, 1, 2, 2, 2, 2, 4, 4, 4, 4, 4, 8, 8, 8, 8, 16, 16, 16}; |
| |
| const uint8_t kTransformHeight4x4[kNumTransformSizes] = { |
| 1, 2, 4, 1, 2, 4, 8, 1, 2, 4, 8, 16, 2, 4, 8, 16, 4, 8, 16}; |
| |
| const uint8_t kTransformWidthLog2[kNumTransformSizes] = { |
| 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6}; |
| |
| const uint8_t kTransformHeightLog2[kNumTransformSizes] = { |
| 2, 3, 4, 2, 3, 4, 5, 2, 3, 4, 5, 6, 3, 4, 5, 6, 4, 5, 6}; |
| |
| // 9.3 -- Split_Tx_Size[] |
| const TransformSize kSplitTransformSize[kNumTransformSizes] = { |
| kTransformSize4x4, kTransformSize4x4, kTransformSize4x8, |
| kTransformSize4x4, kTransformSize4x4, kTransformSize8x8, |
| kTransformSize8x16, kTransformSize8x4, kTransformSize8x8, |
| kTransformSize8x8, kTransformSize16x16, kTransformSize16x32, |
| kTransformSize16x8, kTransformSize16x16, kTransformSize16x16, |
| kTransformSize32x32, kTransformSize32x16, kTransformSize32x32, |
| kTransformSize32x32}; |
| |
| // Square transform of size min(w,h). |
| const TransformSize kTransformSizeSquareMin[kNumTransformSizes] = { |
| kTransformSize4x4, kTransformSize4x4, kTransformSize4x4, |
| kTransformSize4x4, kTransformSize8x8, kTransformSize8x8, |
| kTransformSize8x8, kTransformSize4x4, kTransformSize8x8, |
| kTransformSize16x16, kTransformSize16x16, kTransformSize16x16, |
| kTransformSize8x8, kTransformSize16x16, kTransformSize32x32, |
| kTransformSize32x32, kTransformSize16x16, kTransformSize32x32, |
| kTransformSize64x64}; |
| |
| // Square transform of size max(w,h). |
| const TransformSize kTransformSizeSquareMax[kNumTransformSizes] = { |
| kTransformSize4x4, kTransformSize8x8, kTransformSize16x16, |
| kTransformSize8x8, kTransformSize8x8, kTransformSize16x16, |
| kTransformSize32x32, kTransformSize16x16, kTransformSize16x16, |
| kTransformSize16x16, kTransformSize32x32, kTransformSize64x64, |
| kTransformSize32x32, kTransformSize32x32, kTransformSize32x32, |
| kTransformSize64x64, kTransformSize64x64, kTransformSize64x64, |
| kTransformSize64x64}; |
| |
| const uint8_t kNumTransformTypesInSet[kNumTransformSets] = {1, 7, 5, 16, 12, 2}; |
| |
| const uint8_t kSgrProjParams[1 << kSgrProjParamsBits][4] = { |
| {2, 12, 1, 4}, {2, 15, 1, 6}, {2, 18, 1, 8}, {2, 21, 1, 9}, |
| {2, 24, 1, 10}, {2, 29, 1, 11}, {2, 36, 1, 12}, {2, 45, 1, 13}, |
| {2, 56, 1, 14}, {2, 68, 1, 15}, {0, 0, 1, 5}, {0, 0, 1, 8}, |
| {0, 0, 1, 11}, {0, 0, 1, 14}, {2, 30, 0, 0}, {2, 75, 0, 0}}; |
| |
| const int8_t kSgrProjMultiplierMin[2] = {-96, -32}; |
| |
| const int8_t kSgrProjMultiplierMax[2] = {31, 95}; |
| |
| const int8_t kWienerTapsMin[3] = {-5, -23, -17}; |
| |
| const int8_t kWienerTapsMax[3] = {10, 8, 46}; |
| |
| // This was modified from Upscale_Filter as defined in AV1 Section 7.16, in |
| // order to support 16-bit packed NEON operations. |
| // The sign of each tap is: - + - + + - + - |
| alignas(16) const uint8_t |
| kUpscaleFilterUnsigned[kSuperResFilterShifts][kSuperResFilterTaps] = { |
| {0, 0, 0, 128, 0, 0, 0, 0}, {0, 0, 1, 128, 2, 1, 0, 0}, |
| {0, 1, 3, 127, 4, 2, 1, 0}, {0, 1, 4, 127, 6, 3, 1, 0}, |
| {0, 2, 6, 126, 8, 3, 1, 0}, {0, 2, 7, 125, 11, 4, 1, 0}, |
| {1, 2, 8, 125, 13, 5, 2, 0}, {1, 3, 9, 124, 15, 6, 2, 0}, |
| {1, 3, 10, 123, 18, 6, 2, 1}, {1, 3, 11, 122, 20, 7, 3, 1}, |
| {1, 4, 12, 121, 22, 8, 3, 1}, {1, 4, 13, 120, 25, 9, 3, 1}, |
| {1, 4, 14, 118, 28, 9, 3, 1}, {1, 4, 15, 117, 30, 10, 4, 1}, |
| {1, 5, 16, 116, 32, 11, 4, 1}, {1, 5, 16, 114, 35, 12, 4, 1}, |
| {1, 5, 17, 112, 38, 12, 4, 1}, {1, 5, 18, 111, 40, 13, 5, 1}, |
| {1, 5, 18, 109, 43, 14, 5, 1}, {1, 6, 19, 107, 45, 14, 5, 1}, |
| {1, 6, 19, 105, 48, 15, 5, 1}, {1, 6, 19, 103, 51, 16, 5, 1}, |
| {1, 6, 20, 101, 53, 16, 6, 1}, {1, 6, 20, 99, 56, 17, 6, 1}, |
| {1, 6, 20, 97, 58, 17, 6, 1}, {1, 6, 20, 95, 61, 18, 6, 1}, |
| {2, 7, 20, 93, 64, 18, 6, 2}, {2, 7, 20, 91, 66, 19, 6, 1}, |
| {2, 7, 20, 88, 69, 19, 6, 1}, {2, 7, 20, 86, 71, 19, 6, 1}, |
| {2, 7, 20, 84, 74, 20, 7, 2}, {2, 7, 20, 81, 76, 20, 7, 1}, |
| {2, 7, 20, 79, 79, 20, 7, 2}, {1, 7, 20, 76, 81, 20, 7, 2}, |
| {2, 7, 20, 74, 84, 20, 7, 2}, {1, 6, 19, 71, 86, 20, 7, 2}, |
| {1, 6, 19, 69, 88, 20, 7, 2}, {1, 6, 19, 66, 91, 20, 7, 2}, |
| {2, 6, 18, 64, 93, 20, 7, 2}, {1, 6, 18, 61, 95, 20, 6, 1}, |
| {1, 6, 17, 58, 97, 20, 6, 1}, {1, 6, 17, 56, 99, 20, 6, 1}, |
| {1, 6, 16, 53, 101, 20, 6, 1}, {1, 5, 16, 51, 103, 19, 6, 1}, |
| {1, 5, 15, 48, 105, 19, 6, 1}, {1, 5, 14, 45, 107, 19, 6, 1}, |
| {1, 5, 14, 43, 109, 18, 5, 1}, {1, 5, 13, 40, 111, 18, 5, 1}, |
| {1, 4, 12, 38, 112, 17, 5, 1}, {1, 4, 12, 35, 114, 16, 5, 1}, |
| {1, 4, 11, 32, 116, 16, 5, 1}, {1, 4, 10, 30, 117, 15, 4, 1}, |
| {1, 3, 9, 28, 118, 14, 4, 1}, {1, 3, 9, 25, 120, 13, 4, 1}, |
| {1, 3, 8, 22, 121, 12, 4, 1}, {1, 3, 7, 20, 122, 11, 3, 1}, |
| {1, 2, 6, 18, 123, 10, 3, 1}, {0, 2, 6, 15, 124, 9, 3, 1}, |
| {0, 2, 5, 13, 125, 8, 2, 1}, {0, 1, 4, 11, 125, 7, 2, 0}, |
| {0, 1, 3, 8, 126, 6, 2, 0}, {0, 1, 3, 6, 127, 4, 1, 0}, |
| {0, 1, 2, 4, 127, 3, 1, 0}, {0, 0, 1, 2, 128, 1, 0, 0}, |
| }; |
| |
| alignas(8) const int8_t |
| kWarpedFilters8[3 * kWarpedPixelPrecisionShifts + 1][8] = { |
| // [-1, 0). |
| {0, 0, 127, 1, 0, 0, 0, 0}, |
| {0, -1, 127, 2, 0, 0, 0, 0}, |
| {1, -3, 127, 4, -1, 0, 0, 0}, |
| {1, -4, 126, 6, -2, 1, 0, 0}, |
| {1, -5, 126, 8, -3, 1, 0, 0}, |
| {1, -6, 125, 11, -4, 1, 0, 0}, |
| {1, -7, 124, 13, -4, 1, 0, 0}, |
| {2, -8, 123, 15, -5, 1, 0, 0}, |
| {2, -9, 122, 18, -6, 1, 0, 0}, |
| {2, -10, 121, 20, -6, 1, 0, 0}, |
| {2, -11, 120, 22, -7, 2, 0, 0}, |
| {2, -12, 119, 25, -8, 2, 0, 0}, |
| {3, -13, 117, 27, -8, 2, 0, 0}, |
| {3, -13, 116, 29, -9, 2, 0, 0}, |
| {3, -14, 114, 32, -10, 3, 0, 0}, |
| {3, -15, 113, 35, -10, 2, 0, 0}, |
| {3, -15, 111, 37, -11, 3, 0, 0}, |
| {3, -16, 109, 40, -11, 3, 0, 0}, |
| {3, -16, 108, 42, -12, 3, 0, 0}, |
| {4, -17, 106, 45, -13, 3, 0, 0}, |
| {4, -17, 104, 47, -13, 3, 0, 0}, |
| {4, -17, 102, 50, -14, 3, 0, 0}, |
| {4, -17, 100, 52, -14, 3, 0, 0}, |
| {4, -18, 98, 55, -15, 4, 0, 0}, |
| {4, -18, 96, 58, -15, 3, 0, 0}, |
| {4, -18, 94, 60, -16, 4, 0, 0}, |
| {4, -18, 91, 63, -16, 4, 0, 0}, |
| {4, -18, 89, 65, -16, 4, 0, 0}, |
| {4, -18, 87, 68, -17, 4, 0, 0}, |
| {4, -18, 85, 70, -17, 4, 0, 0}, |
| {4, -18, 82, 73, -17, 4, 0, 0}, |
| {4, -18, 80, 75, -17, 4, 0, 0}, |
| {4, -18, 78, 78, -18, 4, 0, 0}, |
| {4, -17, 75, 80, -18, 4, 0, 0}, |
| {4, -17, 73, 82, -18, 4, 0, 0}, |
| {4, -17, 70, 85, -18, 4, 0, 0}, |
| {4, -17, 68, 87, -18, 4, 0, 0}, |
| {4, -16, 65, 89, -18, 4, 0, 0}, |
| {4, -16, 63, 91, -18, 4, 0, 0}, |
| {4, -16, 60, 94, -18, 4, 0, 0}, |
| {3, -15, 58, 96, -18, 4, 0, 0}, |
| {4, -15, 55, 98, -18, 4, 0, 0}, |
| {3, -14, 52, 100, -17, 4, 0, 0}, |
| {3, -14, 50, 102, -17, 4, 0, 0}, |
| {3, -13, 47, 104, -17, 4, 0, 0}, |
| {3, -13, 45, 106, -17, 4, 0, 0}, |
| {3, -12, 42, 108, -16, 3, 0, 0}, |
| {3, -11, 40, 109, -16, 3, 0, 0}, |
| {3, -11, 37, 111, -15, 3, 0, 0}, |
| {2, -10, 35, 113, -15, 3, 0, 0}, |
| {3, -10, 32, 114, -14, 3, 0, 0}, |
| {2, -9, 29, 116, -13, 3, 0, 0}, |
| {2, -8, 27, 117, -13, 3, 0, 0}, |
| {2, -8, 25, 119, -12, 2, 0, 0}, |
| {2, -7, 22, 120, -11, 2, 0, 0}, |
| {1, -6, 20, 121, -10, 2, 0, 0}, |
| {1, -6, 18, 122, -9, 2, 0, 0}, |
| {1, -5, 15, 123, -8, 2, 0, 0}, |
| {1, -4, 13, 124, -7, 1, 0, 0}, |
| {1, -4, 11, 125, -6, 1, 0, 0}, |
| {1, -3, 8, 126, -5, 1, 0, 0}, |
| {1, -2, 6, 126, -4, 1, 0, 0}, |
| {0, -1, 4, 127, -3, 1, 0, 0}, |
| {0, 0, 2, 127, -1, 0, 0, 0}, |
| // [0, 1). |
| {0, 0, 0, 127, 1, 0, 0, 0}, |
| {0, 0, -1, 127, 2, 0, 0, 0}, |
| {0, 1, -3, 127, 4, -2, 1, 0}, |
| {0, 1, -5, 127, 6, -2, 1, 0}, |
| {0, 2, -6, 126, 8, -3, 1, 0}, |
| {-1, 2, -7, 126, 11, -4, 2, -1}, |
| {-1, 3, -8, 125, 13, -5, 2, -1}, |
| {-1, 3, -10, 124, 16, -6, 3, -1}, |
| {-1, 4, -11, 123, 18, -7, 3, -1}, |
| {-1, 4, -12, 122, 20, -7, 3, -1}, |
| {-1, 4, -13, 121, 23, -8, 3, -1}, |
| {-2, 5, -14, 120, 25, -9, 4, -1}, |
| {-1, 5, -15, 119, 27, -10, 4, -1}, |
| {-1, 5, -16, 118, 30, -11, 4, -1}, |
| {-2, 6, -17, 116, 33, -12, 5, -1}, |
| {-2, 6, -17, 114, 35, -12, 5, -1}, |
| {-2, 6, -18, 113, 38, -13, 5, -1}, |
| {-2, 7, -19, 111, 41, -14, 6, -2}, |
| {-2, 7, -19, 110, 43, -15, 6, -2}, |
| {-2, 7, -20, 108, 46, -15, 6, -2}, |
| {-2, 7, -20, 106, 49, -16, 6, -2}, |
| {-2, 7, -21, 104, 51, -16, 7, -2}, |
| {-2, 7, -21, 102, 54, -17, 7, -2}, |
| {-2, 8, -21, 100, 56, -18, 7, -2}, |
| {-2, 8, -22, 98, 59, -18, 7, -2}, |
| {-2, 8, -22, 96, 62, -19, 7, -2}, |
| {-2, 8, -22, 94, 64, -19, 7, -2}, |
| {-2, 8, -22, 91, 67, -20, 8, -2}, |
| {-2, 8, -22, 89, 69, -20, 8, -2}, |
| {-2, 8, -22, 87, 72, -21, 8, -2}, |
| {-2, 8, -21, 84, 74, -21, 8, -2}, |
| {-2, 8, -22, 82, 77, -21, 8, -2}, |
| {-2, 8, -21, 79, 79, -21, 8, -2}, |
| {-2, 8, -21, 77, 82, -22, 8, -2}, |
| {-2, 8, -21, 74, 84, -21, 8, -2}, |
| {-2, 8, -21, 72, 87, -22, 8, -2}, |
| {-2, 8, -20, 69, 89, -22, 8, -2}, |
| {-2, 8, -20, 67, 91, -22, 8, -2}, |
| {-2, 7, -19, 64, 94, -22, 8, -2}, |
| {-2, 7, -19, 62, 96, -22, 8, -2}, |
| {-2, 7, -18, 59, 98, -22, 8, -2}, |
| {-2, 7, -18, 56, 100, -21, 8, -2}, |
| {-2, 7, -17, 54, 102, -21, 7, -2}, |
| {-2, 7, -16, 51, 104, -21, 7, -2}, |
| {-2, 6, -16, 49, 106, -20, 7, -2}, |
| {-2, 6, -15, 46, 108, -20, 7, -2}, |
| {-2, 6, -15, 43, 110, -19, 7, -2}, |
| {-2, 6, -14, 41, 111, -19, 7, -2}, |
| {-1, 5, -13, 38, 113, -18, 6, -2}, |
| {-1, 5, -12, 35, 114, -17, 6, -2}, |
| {-1, 5, -12, 33, 116, -17, 6, -2}, |
| {-1, 4, -11, 30, 118, -16, 5, -1}, |
| {-1, 4, -10, 27, 119, -15, 5, -1}, |
| {-1, 4, -9, 25, 120, -14, 5, -2}, |
| {-1, 3, -8, 23, 121, -13, 4, -1}, |
| {-1, 3, -7, 20, 122, -12, 4, -1}, |
| {-1, 3, -7, 18, 123, -11, 4, -1}, |
| {-1, 3, -6, 16, 124, -10, 3, -1}, |
| {-1, 2, -5, 13, 125, -8, 3, -1}, |
| {-1, 2, -4, 11, 126, -7, 2, -1}, |
| {0, 1, -3, 8, 126, -6, 2, 0}, |
| {0, 1, -2, 6, 127, -5, 1, 0}, |
| {0, 1, -2, 4, 127, -3, 1, 0}, |
| {0, 0, 0, 2, 127, -1, 0, 0}, |
| // [1, 2). |
| {0, 0, 0, 1, 127, 0, 0, 0}, |
| {0, 0, 0, -1, 127, 2, 0, 0}, |
| {0, 0, 1, -3, 127, 4, -1, 0}, |
| {0, 0, 1, -4, 126, 6, -2, 1}, |
| {0, 0, 1, -5, 126, 8, -3, 1}, |
| {0, 0, 1, -6, 125, 11, -4, 1}, |
| {0, 0, 1, -7, 124, 13, -4, 1}, |
| {0, 0, 2, -8, 123, 15, -5, 1}, |
| {0, 0, 2, -9, 122, 18, -6, 1}, |
| {0, 0, 2, -10, 121, 20, -6, 1}, |
| {0, 0, 2, -11, 120, 22, -7, 2}, |
| {0, 0, 2, -12, 119, 25, -8, 2}, |
| {0, 0, 3, -13, 117, 27, -8, 2}, |
| {0, 0, 3, -13, 116, 29, -9, 2}, |
| {0, 0, 3, -14, 114, 32, -10, 3}, |
| {0, 0, 3, -15, 113, 35, -10, 2}, |
| {0, 0, 3, -15, 111, 37, -11, 3}, |
| {0, 0, 3, -16, 109, 40, -11, 3}, |
| {0, 0, 3, -16, 108, 42, -12, 3}, |
| {0, 0, 4, -17, 106, 45, -13, 3}, |
| {0, 0, 4, -17, 104, 47, -13, 3}, |
| {0, 0, 4, -17, 102, 50, -14, 3}, |
| {0, 0, 4, -17, 100, 52, -14, 3}, |
| {0, 0, 4, -18, 98, 55, -15, 4}, |
| {0, 0, 4, -18, 96, 58, -15, 3}, |
| {0, 0, 4, -18, 94, 60, -16, 4}, |
| {0, 0, 4, -18, 91, 63, -16, 4}, |
| {0, 0, 4, -18, 89, 65, -16, 4}, |
| {0, 0, 4, -18, 87, 68, -17, 4}, |
| {0, 0, 4, -18, 85, 70, -17, 4}, |
| {0, 0, 4, -18, 82, 73, -17, 4}, |
| {0, 0, 4, -18, 80, 75, -17, 4}, |
| {0, 0, 4, -18, 78, 78, -18, 4}, |
| {0, 0, 4, -17, 75, 80, -18, 4}, |
| {0, 0, 4, -17, 73, 82, -18, 4}, |
| {0, 0, 4, -17, 70, 85, -18, 4}, |
| {0, 0, 4, -17, 68, 87, -18, 4}, |
| {0, 0, 4, -16, 65, 89, -18, 4}, |
| {0, 0, 4, -16, 63, 91, -18, 4}, |
| {0, 0, 4, -16, 60, 94, -18, 4}, |
| {0, 0, 3, -15, 58, 96, -18, 4}, |
| {0, 0, 4, -15, 55, 98, -18, 4}, |
| {0, 0, 3, -14, 52, 100, -17, 4}, |
| {0, 0, 3, -14, 50, 102, -17, 4}, |
| {0, 0, 3, -13, 47, 104, -17, 4}, |
| {0, 0, 3, -13, 45, 106, -17, 4}, |
| {0, 0, 3, -12, 42, 108, -16, 3}, |
| {0, 0, 3, -11, 40, 109, -16, 3}, |
| {0, 0, 3, -11, 37, 111, -15, 3}, |
| {0, 0, 2, -10, 35, 113, -15, 3}, |
| {0, 0, 3, -10, 32, 114, -14, 3}, |
| {0, 0, 2, -9, 29, 116, -13, 3}, |
| {0, 0, 2, -8, 27, 117, -13, 3}, |
| {0, 0, 2, -8, 25, 119, -12, 2}, |
| {0, 0, 2, -7, 22, 120, -11, 2}, |
| {0, 0, 1, -6, 20, 121, -10, 2}, |
| {0, 0, 1, -6, 18, 122, -9, 2}, |
| {0, 0, 1, -5, 15, 123, -8, 2}, |
| {0, 0, 1, -4, 13, 124, -7, 1}, |
| {0, 0, 1, -4, 11, 125, -6, 1}, |
| {0, 0, 1, -3, 8, 126, -5, 1}, |
| {0, 0, 1, -2, 6, 126, -4, 1}, |
| {0, 0, 0, -1, 4, 127, -3, 1}, |
| {0, 0, 0, 0, 2, 127, -1, 0}, |
| // dummy, replicate row index 191. |
| {0, 0, 0, 0, 2, 127, -1, 0}}; |
| |
| alignas(16) const int16_t |
| kWarpedFilters[3 * kWarpedPixelPrecisionShifts + 1][8] = { |
| // [-1, 0). |
| {0, 0, 127, 1, 0, 0, 0, 0}, |
| {0, -1, 127, 2, 0, 0, 0, 0}, |
| {1, -3, 127, 4, -1, 0, 0, 0}, |
| {1, -4, 126, 6, -2, 1, 0, 0}, |
| {1, -5, 126, 8, -3, 1, 0, 0}, |
| {1, -6, 125, 11, -4, 1, 0, 0}, |
| {1, -7, 124, 13, -4, 1, 0, 0}, |
| {2, -8, 123, 15, -5, 1, 0, 0}, |
| {2, -9, 122, 18, -6, 1, 0, 0}, |
| {2, -10, 121, 20, -6, 1, 0, 0}, |
| {2, -11, 120, 22, -7, 2, 0, 0}, |
| {2, -12, 119, 25, -8, 2, 0, 0}, |
| {3, -13, 117, 27, -8, 2, 0, 0}, |
| {3, -13, 116, 29, -9, 2, 0, 0}, |
| {3, -14, 114, 32, -10, 3, 0, 0}, |
| {3, -15, 113, 35, -10, 2, 0, 0}, |
| {3, -15, 111, 37, -11, 3, 0, 0}, |
| {3, -16, 109, 40, -11, 3, 0, 0}, |
| {3, -16, 108, 42, -12, 3, 0, 0}, |
| {4, -17, 106, 45, -13, 3, 0, 0}, |
| {4, -17, 104, 47, -13, 3, 0, 0}, |
| {4, -17, 102, 50, -14, 3, 0, 0}, |
| {4, -17, 100, 52, -14, 3, 0, 0}, |
| {4, -18, 98, 55, -15, 4, 0, 0}, |
| {4, -18, 96, 58, -15, 3, 0, 0}, |
| {4, -18, 94, 60, -16, 4, 0, 0}, |
| {4, -18, 91, 63, -16, 4, 0, 0}, |
| {4, -18, 89, 65, -16, 4, 0, 0}, |
| {4, -18, 87, 68, -17, 4, 0, 0}, |
| {4, -18, 85, 70, -17, 4, 0, 0}, |
| {4, -18, 82, 73, -17, 4, 0, 0}, |
| {4, -18, 80, 75, -17, 4, 0, 0}, |
| {4, -18, 78, 78, -18, 4, 0, 0}, |
| {4, -17, 75, 80, -18, 4, 0, 0}, |
| {4, -17, 73, 82, -18, 4, 0, 0}, |
| {4, -17, 70, 85, -18, 4, 0, 0}, |
| {4, -17, 68, 87, -18, 4, 0, 0}, |
| {4, -16, 65, 89, -18, 4, 0, 0}, |
| {4, -16, 63, 91, -18, 4, 0, 0}, |
| {4, -16, 60, 94, -18, 4, 0, 0}, |
| {3, -15, 58, 96, -18, 4, 0, 0}, |
| {4, -15, 55, 98, -18, 4, 0, 0}, |
| {3, -14, 52, 100, -17, 4, 0, 0}, |
| {3, -14, 50, 102, -17, 4, 0, 0}, |
| {3, -13, 47, 104, -17, 4, 0, 0}, |
| {3, -13, 45, 106, -17, 4, 0, 0}, |
| {3, -12, 42, 108, -16, 3, 0, 0}, |
| {3, -11, 40, 109, -16, 3, 0, 0}, |
| {3, -11, 37, 111, -15, 3, 0, 0}, |
| {2, -10, 35, 113, -15, 3, 0, 0}, |
| {3, -10, 32, 114, -14, 3, 0, 0}, |
| {2, -9, 29, 116, -13, 3, 0, 0}, |
| {2, -8, 27, 117, -13, 3, 0, 0}, |
| {2, -8, 25, 119, -12, 2, 0, 0}, |
| {2, -7, 22, 120, -11, 2, 0, 0}, |
| {1, -6, 20, 121, -10, 2, 0, 0}, |
| {1, -6, 18, 122, -9, 2, 0, 0}, |
| {1, -5, 15, 123, -8, 2, 0, 0}, |
| {1, -4, 13, 124, -7, 1, 0, 0}, |
| {1, -4, 11, 125, -6, 1, 0, 0}, |
| {1, -3, 8, 126, -5, 1, 0, 0}, |
| {1, -2, 6, 126, -4, 1, 0, 0}, |
| {0, -1, 4, 127, -3, 1, 0, 0}, |
| {0, 0, 2, 127, -1, 0, 0, 0}, |
| // [0, 1). |
| {0, 0, 0, 127, 1, 0, 0, 0}, |
| {0, 0, -1, 127, 2, 0, 0, 0}, |
| {0, 1, -3, 127, 4, -2, 1, 0}, |
| {0, 1, -5, 127, 6, -2, 1, 0}, |
| {0, 2, -6, 126, 8, -3, 1, 0}, |
| {-1, 2, -7, 126, 11, -4, 2, -1}, |
| {-1, 3, -8, 125, 13, -5, 2, -1}, |
| {-1, 3, -10, 124, 16, -6, 3, -1}, |
| {-1, 4, -11, 123, 18, -7, 3, -1}, |
| {-1, 4, -12, 122, 20, -7, 3, -1}, |
| {-1, 4, -13, 121, 23, -8, 3, -1}, |
| {-2, 5, -14, 120, 25, -9, 4, -1}, |
| {-1, 5, -15, 119, 27, -10, 4, -1}, |
| {-1, 5, -16, 118, 30, -11, 4, -1}, |
| {-2, 6, -17, 116, 33, -12, 5, -1}, |
| {-2, 6, -17, 114, 35, -12, 5, -1}, |
| {-2, 6, -18, 113, 38, -13, 5, -1}, |
| {-2, 7, -19, 111, 41, -14, 6, -2}, |
| {-2, 7, -19, 110, 43, -15, 6, -2}, |
| {-2, 7, -20, 108, 46, -15, 6, -2}, |
| {-2, 7, -20, 106, 49, -16, 6, -2}, |
| {-2, 7, -21, 104, 51, -16, 7, -2}, |
| {-2, 7, -21, 102, 54, -17, 7, -2}, |
| {-2, 8, -21, 100, 56, -18, 7, -2}, |
| {-2, 8, -22, 98, 59, -18, 7, -2}, |
| {-2, 8, -22, 96, 62, -19, 7, -2}, |
| {-2, 8, -22, 94, 64, -19, 7, -2}, |
| {-2, 8, -22, 91, 67, -20, 8, -2}, |
| {-2, 8, -22, 89, 69, -20, 8, -2}, |
| {-2, 8, -22, 87, 72, -21, 8, -2}, |
| {-2, 8, -21, 84, 74, -21, 8, -2}, |
| {-2, 8, -22, 82, 77, -21, 8, -2}, |
| {-2, 8, -21, 79, 79, -21, 8, -2}, |
| {-2, 8, -21, 77, 82, -22, 8, -2}, |
| {-2, 8, -21, 74, 84, -21, 8, -2}, |
| {-2, 8, -21, 72, 87, -22, 8, -2}, |
| {-2, 8, -20, 69, 89, -22, 8, -2}, |
| {-2, 8, -20, 67, 91, -22, 8, -2}, |
| {-2, 7, -19, 64, 94, -22, 8, -2}, |
| {-2, 7, -19, 62, 96, -22, 8, -2}, |
| {-2, 7, -18, 59, 98, -22, 8, -2}, |
| {-2, 7, -18, 56, 100, -21, 8, -2}, |
| {-2, 7, -17, 54, 102, -21, 7, -2}, |
| {-2, 7, -16, 51, 104, -21, 7, -2}, |
| {-2, 6, -16, 49, 106, -20, 7, -2}, |
| {-2, 6, -15, 46, 108, -20, 7, -2}, |
| {-2, 6, -15, 43, 110, -19, 7, -2}, |
| {-2, 6, -14, 41, 111, -19, 7, -2}, |
| {-1, 5, -13, 38, 113, -18, 6, -2}, |
| {-1, 5, -12, 35, 114, -17, 6, -2}, |
| {-1, 5, -12, 33, 116, -17, 6, -2}, |
| {-1, 4, -11, 30, 118, -16, 5, -1}, |
| {-1, 4, -10, 27, 119, -15, 5, -1}, |
| {-1, 4, -9, 25, 120, -14, 5, -2}, |
| {-1, 3, -8, 23, 121, -13, 4, -1}, |
| {-1, 3, -7, 20, 122, -12, 4, -1}, |
| {-1, 3, -7, 18, 123, -11, 4, -1}, |
| {-1, 3, -6, 16, 124, -10, 3, -1}, |
| {-1, 2, -5, 13, 125, -8, 3, -1}, |
| {-1, 2, -4, 11, 126, -7, 2, -1}, |
| {0, 1, -3, 8, 126, -6, 2, 0}, |
| {0, 1, -2, 6, 127, -5, 1, 0}, |
| {0, 1, -2, 4, 127, -3, 1, 0}, |
| {0, 0, 0, 2, 127, -1, 0, 0}, |
| // [1, 2). |
| {0, 0, 0, 1, 127, 0, 0, 0}, |
| {0, 0, 0, -1, 127, 2, 0, 0}, |
| {0, 0, 1, -3, 127, 4, -1, 0}, |
| {0, 0, 1, -4, 126, 6, -2, 1}, |
| {0, 0, 1, -5, 126, 8, -3, 1}, |
| {0, 0, 1, -6, 125, 11, -4, 1}, |
| {0, 0, 1, -7, 124, 13, -4, 1}, |
| {0, 0, 2, -8, 123, 15, -5, 1}, |
| {0, 0, 2, -9, 122, 18, -6, 1}, |
| {0, 0, 2, -10, 121, 20, -6, 1}, |
| {0, 0, 2, -11, 120, 22, -7, 2}, |
| {0, 0, 2, -12, 119, 25, -8, 2}, |
| {0, 0, 3, -13, 117, 27, -8, 2}, |
| {0, 0, 3, -13, 116, 29, -9, 2}, |
| {0, 0, 3, -14, 114, 32, -10, 3}, |
| {0, 0, 3, -15, 113, 35, -10, 2}, |
| {0, 0, 3, -15, 111, 37, -11, 3}, |
| {0, 0, 3, -16, 109, 40, -11, 3}, |
| {0, 0, 3, -16, 108, 42, -12, 3}, |
| {0, 0, 4, -17, 106, 45, -13, 3}, |
| {0, 0, 4, -17, 104, 47, -13, 3}, |
| {0, 0, 4, -17, 102, 50, -14, 3}, |
| {0, 0, 4, -17, 100, 52, -14, 3}, |
| {0, 0, 4, -18, 98, 55, -15, 4}, |
| {0, 0, 4, -18, 96, 58, -15, 3}, |
| {0, 0, 4, -18, 94, 60, -16, 4}, |
| {0, 0, 4, -18, 91, 63, -16, 4}, |
| {0, 0, 4, -18, 89, 65, -16, 4}, |
| {0, 0, 4, -18, 87, 68, -17, 4}, |
| {0, 0, 4, -18, 85, 70, -17, 4}, |
| {0, 0, 4, -18, 82, 73, -17, 4}, |
| {0, 0, 4, -18, 80, 75, -17, 4}, |
| {0, 0, 4, -18, 78, 78, -18, 4}, |
| {0, 0, 4, -17, 75, 80, -18, 4}, |
| {0, 0, 4, -17, 73, 82, -18, 4}, |
| {0, 0, 4, -17, 70, 85, -18, 4}, |
| {0, 0, 4, -17, 68, 87, -18, 4}, |
| {0, 0, 4, -16, 65, 89, -18, 4}, |
| {0, 0, 4, -16, 63, 91, -18, 4}, |
| {0, 0, 4, -16, 60, 94, -18, 4}, |
| {0, 0, 3, -15, 58, 96, -18, 4}, |
| {0, 0, 4, -15, 55, 98, -18, 4}, |
| {0, 0, 3, -14, 52, 100, -17, 4}, |
| {0, 0, 3, -14, 50, 102, -17, 4}, |
| {0, 0, 3, -13, 47, 104, -17, 4}, |
| {0, 0, 3, -13, 45, 106, -17, 4}, |
| {0, 0, 3, -12, 42, 108, -16, 3}, |
| {0, 0, 3, -11, 40, 109, -16, 3}, |
| {0, 0, 3, -11, 37, 111, -15, 3}, |
| {0, 0, 2, -10, 35, 113, -15, 3}, |
| {0, 0, 3, -10, 32, 114, -14, 3}, |
| {0, 0, 2, -9, 29, 116, -13, 3}, |
| {0, 0, 2, -8, 27, 117, -13, 3}, |
| {0, 0, 2, -8, 25, 119, -12, 2}, |
| {0, 0, 2, -7, 22, 120, -11, 2}, |
| {0, 0, 1, -6, 20, 121, -10, 2}, |
| {0, 0, 1, -6, 18, 122, -9, 2}, |
| {0, 0, 1, -5, 15, 123, -8, 2}, |
| {0, 0, 1, -4, 13, 124, -7, 1}, |
| {0, 0, 1, -4, 11, 125, -6, 1}, |
| {0, 0, 1, -3, 8, 126, -5, 1}, |
| {0, 0, 1, -2, 6, 126, -4, 1}, |
| {0, 0, 0, -1, 4, 127, -3, 1}, |
| {0, 0, 0, 0, 2, 127, -1, 0}, |
| // dummy, replicate row index 191. |
| {0, 0, 0, 0, 2, 127, -1, 0}}; |
| |
| // Every value in |kSubPixelFilters| is even. Divide by 2 to simplify |
| // calculations by reducing the range by 1 bit. |
| alignas(8) const int8_t kHalfSubPixelFilters[6][16][8] = { |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 1, -3, 63, 4, -1, 0, 0}, |
| {0, 1, -5, 61, 9, -2, 0, 0}, |
| {0, 1, -6, 58, 14, -4, 1, 0}, |
| {0, 1, -7, 55, 19, -5, 1, 0}, |
| {0, 1, -7, 51, 24, -6, 1, 0}, |
| {0, 1, -8, 47, 29, -6, 1, 0}, |
| {0, 1, -7, 42, 33, -6, 1, 0}, |
| {0, 1, -7, 38, 38, -7, 1, 0}, |
| {0, 1, -6, 33, 42, -7, 1, 0}, |
| {0, 1, -6, 29, 47, -8, 1, 0}, |
| {0, 1, -6, 24, 51, -7, 1, 0}, |
| {0, 1, -5, 19, 55, -7, 1, 0}, |
| {0, 1, -4, 14, 58, -6, 1, 0}, |
| {0, 0, -2, 9, 61, -5, 1, 0}, |
| {0, 0, -1, 4, 63, -3, 1, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 1, 14, 31, 17, 1, 0, 0}, |
| {0, 0, 13, 31, 18, 2, 0, 0}, |
| {0, 0, 11, 31, 20, 2, 0, 0}, |
| {0, 0, 10, 30, 21, 3, 0, 0}, |
| {0, 0, 9, 29, 22, 4, 0, 0}, |
| {0, 0, 8, 28, 23, 5, 0, 0}, |
| {0, -1, 8, 27, 24, 6, 0, 0}, |
| {0, -1, 7, 26, 26, 7, -1, 0}, |
| {0, 0, 6, 24, 27, 8, -1, 0}, |
| {0, 0, 5, 23, 28, 8, 0, 0}, |
| {0, 0, 4, 22, 29, 9, 0, 0}, |
| {0, 0, 3, 21, 30, 10, 0, 0}, |
| {0, 0, 2, 20, 31, 11, 0, 0}, |
| {0, 0, 2, 18, 31, 13, 0, 0}, |
| {0, 0, 1, 17, 31, 14, 1, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {-1, 1, -3, 63, 4, -1, 1, 0}, |
| {-1, 3, -6, 62, 8, -3, 2, -1}, |
| {-1, 4, -9, 60, 13, -5, 3, -1}, |
| {-2, 5, -11, 58, 19, -7, 3, -1}, |
| {-2, 5, -11, 54, 24, -9, 4, -1}, |
| {-2, 5, -12, 50, 30, -10, 4, -1}, |
| {-2, 5, -12, 45, 35, -11, 5, -1}, |
| {-2, 6, -12, 40, 40, -12, 6, -2}, |
| {-1, 5, -11, 35, 45, -12, 5, -2}, |
| {-1, 4, -10, 30, 50, -12, 5, -2}, |
| {-1, 4, -9, 24, 54, -11, 5, -2}, |
| {-1, 3, -7, 19, 58, -11, 5, -2}, |
| {-1, 3, -5, 13, 60, -9, 4, -1}, |
| {-1, 2, -3, 8, 62, -6, 3, -1}, |
| {0, 1, -1, 4, 63, -3, 1, -1}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 0, 0, 60, 4, 0, 0, 0}, |
| {0, 0, 0, 56, 8, 0, 0, 0}, |
| {0, 0, 0, 52, 12, 0, 0, 0}, |
| {0, 0, 0, 48, 16, 0, 0, 0}, |
| {0, 0, 0, 44, 20, 0, 0, 0}, |
| {0, 0, 0, 40, 24, 0, 0, 0}, |
| {0, 0, 0, 36, 28, 0, 0, 0}, |
| {0, 0, 0, 32, 32, 0, 0, 0}, |
| {0, 0, 0, 28, 36, 0, 0, 0}, |
| {0, 0, 0, 24, 40, 0, 0, 0}, |
| {0, 0, 0, 20, 44, 0, 0, 0}, |
| {0, 0, 0, 16, 48, 0, 0, 0}, |
| {0, 0, 0, 12, 52, 0, 0, 0}, |
| {0, 0, 0, 8, 56, 0, 0, 0}, |
| {0, 0, 0, 4, 60, 0, 0, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 0, -2, 63, 4, -1, 0, 0}, |
| {0, 0, -4, 61, 9, -2, 0, 0}, |
| {0, 0, -5, 58, 14, -3, 0, 0}, |
| {0, 0, -6, 55, 19, -4, 0, 0}, |
| {0, 0, -6, 51, 24, -5, 0, 0}, |
| {0, 0, -7, 47, 29, -5, 0, 0}, |
| {0, 0, -6, 42, 33, -5, 0, 0}, |
| {0, 0, -6, 38, 38, -6, 0, 0}, |
| {0, 0, -5, 33, 42, -6, 0, 0}, |
| {0, 0, -5, 29, 47, -7, 0, 0}, |
| {0, 0, -5, 24, 51, -6, 0, 0}, |
| {0, 0, -4, 19, 55, -6, 0, 0}, |
| {0, 0, -3, 14, 58, -5, 0, 0}, |
| {0, 0, -2, 9, 61, -4, 0, 0}, |
| {0, 0, -1, 4, 63, -2, 0, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 0, 15, 31, 17, 1, 0, 0}, |
| {0, 0, 13, 31, 18, 2, 0, 0}, |
| {0, 0, 11, 31, 20, 2, 0, 0}, |
| {0, 0, 10, 30, 21, 3, 0, 0}, |
| {0, 0, 9, 29, 22, 4, 0, 0}, |
| {0, 0, 8, 28, 23, 5, 0, 0}, |
| {0, 0, 7, 27, 24, 6, 0, 0}, |
| {0, 0, 6, 26, 26, 6, 0, 0}, |
| {0, 0, 6, 24, 27, 7, 0, 0}, |
| {0, 0, 5, 23, 28, 8, 0, 0}, |
| {0, 0, 4, 22, 29, 9, 0, 0}, |
| {0, 0, 3, 21, 30, 10, 0, 0}, |
| {0, 0, 2, 20, 31, 11, 0, 0}, |
| {0, 0, 2, 18, 31, 13, 0, 0}, |
| {0, 0, 1, 17, 31, 15, 0, 0}}}; |
| |
| // Absolute values of |kHalfSubPixelFilters|. Used in situations where we know |
| // the pattern of the signs and account for it in other ways. |
| const uint8_t kAbsHalfSubPixelFilters[6][16][8] = { |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 1, 3, 63, 4, 1, 0, 0}, |
| {0, 1, 5, 61, 9, 2, 0, 0}, |
| {0, 1, 6, 58, 14, 4, 1, 0}, |
| {0, 1, 7, 55, 19, 5, 1, 0}, |
| {0, 1, 7, 51, 24, 6, 1, 0}, |
| {0, 1, 8, 47, 29, 6, 1, 0}, |
| {0, 1, 7, 42, 33, 6, 1, 0}, |
| {0, 1, 7, 38, 38, 7, 1, 0}, |
| {0, 1, 6, 33, 42, 7, 1, 0}, |
| {0, 1, 6, 29, 47, 8, 1, 0}, |
| {0, 1, 6, 24, 51, 7, 1, 0}, |
| {0, 1, 5, 19, 55, 7, 1, 0}, |
| {0, 1, 4, 14, 58, 6, 1, 0}, |
| {0, 0, 2, 9, 61, 5, 1, 0}, |
| {0, 0, 1, 4, 63, 3, 1, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 1, 14, 31, 17, 1, 0, 0}, |
| {0, 0, 13, 31, 18, 2, 0, 0}, |
| {0, 0, 11, 31, 20, 2, 0, 0}, |
| {0, 0, 10, 30, 21, 3, 0, 0}, |
| {0, 0, 9, 29, 22, 4, 0, 0}, |
| {0, 0, 8, 28, 23, 5, 0, 0}, |
| {0, 1, 8, 27, 24, 6, 0, 0}, |
| {0, 1, 7, 26, 26, 7, 1, 0}, |
| {0, 0, 6, 24, 27, 8, 1, 0}, |
| {0, 0, 5, 23, 28, 8, 0, 0}, |
| {0, 0, 4, 22, 29, 9, 0, 0}, |
| {0, 0, 3, 21, 30, 10, 0, 0}, |
| {0, 0, 2, 20, 31, 11, 0, 0}, |
| {0, 0, 2, 18, 31, 13, 0, 0}, |
| {0, 0, 1, 17, 31, 14, 1, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {1, 1, 3, 63, 4, 1, 1, 0}, |
| {1, 3, 6, 62, 8, 3, 2, 1}, |
| {1, 4, 9, 60, 13, 5, 3, 1}, |
| {2, 5, 11, 58, 19, 7, 3, 1}, |
| {2, 5, 11, 54, 24, 9, 4, 1}, |
| {2, 5, 12, 50, 30, 10, 4, 1}, |
| {2, 5, 12, 45, 35, 11, 5, 1}, |
| {2, 6, 12, 40, 40, 12, 6, 2}, |
| {1, 5, 11, 35, 45, 12, 5, 2}, |
| {1, 4, 10, 30, 50, 12, 5, 2}, |
| {1, 4, 9, 24, 54, 11, 5, 2}, |
| {1, 3, 7, 19, 58, 11, 5, 2}, |
| {1, 3, 5, 13, 60, 9, 4, 1}, |
| {1, 2, 3, 8, 62, 6, 3, 1}, |
| {0, 1, 1, 4, 63, 3, 1, 1}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 0, 0, 60, 4, 0, 0, 0}, |
| {0, 0, 0, 56, 8, 0, 0, 0}, |
| {0, 0, 0, 52, 12, 0, 0, 0}, |
| {0, 0, 0, 48, 16, 0, 0, 0}, |
| {0, 0, 0, 44, 20, 0, 0, 0}, |
| {0, 0, 0, 40, 24, 0, 0, 0}, |
| {0, 0, 0, 36, 28, 0, 0, 0}, |
| {0, 0, 0, 32, 32, 0, 0, 0}, |
| {0, 0, 0, 28, 36, 0, 0, 0}, |
| {0, 0, 0, 24, 40, 0, 0, 0}, |
| {0, 0, 0, 20, 44, 0, 0, 0}, |
| {0, 0, 0, 16, 48, 0, 0, 0}, |
| {0, 0, 0, 12, 52, 0, 0, 0}, |
| {0, 0, 0, 8, 56, 0, 0, 0}, |
| {0, 0, 0, 4, 60, 0, 0, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 0, 2, 63, 4, 1, 0, 0}, |
| {0, 0, 4, 61, 9, 2, 0, 0}, |
| {0, 0, 5, 58, 14, 3, 0, 0}, |
| {0, 0, 6, 55, 19, 4, 0, 0}, |
| {0, 0, 6, 51, 24, 5, 0, 0}, |
| {0, 0, 7, 47, 29, 5, 0, 0}, |
| {0, 0, 6, 42, 33, 5, 0, 0}, |
| {0, 0, 6, 38, 38, 6, 0, 0}, |
| {0, 0, 5, 33, 42, 6, 0, 0}, |
| {0, 0, 5, 29, 47, 7, 0, 0}, |
| {0, 0, 5, 24, 51, 6, 0, 0}, |
| {0, 0, 4, 19, 55, 6, 0, 0}, |
| {0, 0, 3, 14, 58, 5, 0, 0}, |
| {0, 0, 2, 9, 61, 4, 0, 0}, |
| {0, 0, 1, 4, 63, 2, 0, 0}}, |
| {{0, 0, 0, 64, 0, 0, 0, 0}, |
| {0, 0, 15, 31, 17, 1, 0, 0}, |
| {0, 0, 13, 31, 18, 2, 0, 0}, |
| {0, 0, 11, 31, 20, 2, 0, 0}, |
| {0, 0, 10, 30, 21, 3, 0, 0}, |
| {0, 0, 9, 29, 22, 4, 0, 0}, |
| {0, 0, 8, 28, 23, 5, 0, 0}, |
| {0, 0, 7, 27, 24, 6, 0, 0}, |
| {0, 0, 6, 26, 26, 6, 0, 0}, |
| {0, 0, 6, 24, 27, 7, 0, 0}, |
| {0, 0, 5, 23, 28, 8, 0, 0}, |
| {0, 0, 4, 22, 29, 9, 0, 0}, |
| {0, 0, 3, 21, 30, 10, 0, 0}, |
| {0, 0, 2, 20, 31, 11, 0, 0}, |
| {0, 0, 2, 18, 31, 13, 0, 0}, |
| {0, 0, 1, 17, 31, 15, 0, 0}}}; |
| |
| // 9.3 -- Dr_Intra_Derivative[] |
| // This is a more compact version of the table from the spec. angle / 2 - 1 is |
| // used as the lookup. Note angle / 3 - 1 would work too, but the calculation |
| // becomes more costly. |
| const int16_t kDirectionalIntraPredictorDerivative[44] = { |
| // Approx angle |
| 1023, 0, // 3, ... |
| 547, // 6, ... |
| 372, 0, 0, // 9, ... |
| 273, // 14, ... |
| 215, 0, // 17, ... |
| 178, // 20, ... |
| 151, 0, // 23, ... (113 & 203 are base angles) |
| 132, // 26, ... |
| 116, 0, // 29, ... |
| 102, 0, // 32, ... |
| 90, // 36, ... |
| 80, 0, // 39, ... |
| 71, // 42, ... |
| 64, 0, // 45, ... (45 & 135 are base angles) |
| 57, // 48, ... |
| 51, 0, // 51, ... |
| 45, 0, // 54, ... |
| 40, // 58, ... |
| 35, 0, // 61, ... |
| 31, // 64, ... |
| 27, 0, // 67, ... (67 & 157 are base angles) |
| 23, // 70, ... |
| 19, 0, // 73, ... |
| 15, 0, // 76, ... |
| 11, 0, // 81, ... |
| 7, // 84, ... |
| 3, // 87, ... |
| }; |
| |
| const uint8_t kDeblockFilterLevelIndex[kMaxPlanes][kNumLoopFilterTypes] = { |
| {0, 1}, {2, 2}, {3, 3}}; |
| |
| const int8_t kMaskIdLookup[4][kMaxBlockSizes] = { |
| // transform size 4x4. |
| {0, 1, 13, 2, 3, 4, 15, 14, 5, 6, 7, |
| 17, 16, 8, 9, 10, 18, 11, 12, -1, -1, -1}, |
| // transform size 8x8. |
| {-1, -1, -1, -1, 19, 20, 29, -1, 21, 22, 23, |
| 31, 30, 24, 25, 26, 32, 27, 28, -1, -1, -1}, |
| // transform size 16x16. |
| {-1, -1, -1, -1, -1, -1, -1, -1, -1, 33, 34, |
| 40, -1, 35, 36, 37, 41, 38, 39, -1, -1, -1}, |
| // transform size 32x32. |
| {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, |
| -1, -1, -1, 42, 43, -1, 44, 45, -1, -1, -1}, |
| }; |
| |
| const int8_t kVerticalBorderMaskIdLookup[kMaxBlockSizes] = { |
| 0, 47, 61, 49, 19, 51, 63, 62, 53, 33, 55, |
| 65, 64, 57, 42, 59, 66, 60, 46, -1, -1, -1}; |
| |
| const uint64_t kTopMaskLookup[67][4] = { |
| // transform size 4X4 |
| {0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X4, transform size 4X4 |
| {0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X8, transform size 4X4 |
| {0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X4, transform size 4X4 |
| {0x0000000000030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X8, transform size 4X4 |
| {0x0003000300030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X16, transform size 4X4 |
| {0x00000000000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X8, transform size 4X4 |
| {0x000f000f000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X16, transform size 4X4 |
| {0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 4X4 |
| {0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 4X4 |
| {0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 4X4 |
| {0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, |
| 0x00ff00ff00ff00ffULL}, // block size 32X64, transform size 4X4 |
| {0xffffffffffffffffULL, 0xffffffffffffffffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 4X4 |
| {0xffffffffffffffffULL, 0xffffffffffffffffULL, 0xffffffffffffffffULL, |
| 0xffffffffffffffffULL}, // block size 64X64, transform size 4x4 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X16, transform size 4X4 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X4, transform size 4X4 |
| {0x0003000300030003ULL, 0x0003000300030003ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 4X4 |
| {0x0000000000ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 4X4 |
| {0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x000f000f000f000fULL, |
| 0x000f000f000f000fULL}, // block size 16X64, transform size 4X4 |
| {0xffffffffffffffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 4X4 |
| // transform size 8X8 |
| {0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X8, transform size 8X8 |
| {0x0000000300000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X16, transform size 8X8 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X8, transform size 8X8 |
| {0x0000000f0000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X16, transform size 8X8 |
| {0x0000000f0000000fULL, 0x0000000f0000000fULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 8X8 |
| {0x000000ff000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 8X8 |
| {0x000000ff000000ffULL, 0x000000ff000000ffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 8X8 |
| {0x000000ff000000ffULL, 0x000000ff000000ffULL, 0x000000ff000000ffULL, |
| 0x000000ff000000ffULL}, // block size 32X64, transform size 8X8 |
| {0x0000ffff0000ffffULL, 0x0000ffff0000ffffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 8X8 |
| {0x0000ffff0000ffffULL, 0x0000ffff0000ffffULL, 0x0000ffff0000ffffULL, |
| 0x0000ffff0000ffffULL}, // block size 64X64, transform size 8X8 |
| {0x0000000300000003ULL, 0x0000000300000003ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 8X8 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 8X8 |
| {0x0000000f0000000fULL, 0x0000000f0000000fULL, 0x0000000f0000000fULL, |
| 0x0000000f0000000fULL}, // block size 16X64, transform size 8X8 |
| {0x0000ffff0000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 8X8 |
| // transform size 16X16 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X16, transform size 16X16 |
| {0x000000000000000fULL, 0x000000000000000fULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 16X16 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 16X16 |
| {0x00000000000000ffULL, 0x00000000000000ffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 16X16 |
| {0x00000000000000ffULL, 0x00000000000000ffULL, 0x00000000000000ffULL, |
| 0x00000000000000ffULL}, // block size 32X64, transform size 16X16 |
| {0x000000000000ffffULL, 0x000000000000ffffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 16X16 |
| {0x000000000000ffffULL, 0x000000000000ffffULL, 0x000000000000ffffULL, |
| 0x000000000000ffffULL}, // block size 64X64, transform size 16X16 |
| {0x000000000000000fULL, 0x000000000000000fULL, 0x000000000000000fULL, |
| 0x000000000000000fULL}, // block size 16X64, transform size 16X16 |
| {0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 16X16 |
| // transform size 32X32 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 32X32 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x00000000000000ffULL, |
| 0x0000000000000000ULL}, // block size 32X64, transform size 32X32 |
| {0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 32X32 |
| {0x000000000000ffffULL, 0x0000000000000000ULL, 0x000000000000ffffULL, |
| 0x0000000000000000ULL}, // block size 64X64, transform size 32X32 |
| // transform size 64X64 |
| {0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X64, transform size 64X64 |
| // 2:1, 1:2 transform sizes. |
| {0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X8, transform size 4X8 |
| {0x0000000100000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X16, transform size 4X8 |
| {0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X4, transform size 8X4 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X4, transform size 8X4 |
| {0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X16, transform size 8X16 |
| {0x0000000000000003ULL, 0x0000000000000003ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 8X16 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X8, transform size 16X8 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 16X8 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 16X32 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x000000000000000fULL, |
| 0x0000000000000000ULL}, // block size 16X64, transform size 16X32 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 32X16 |
| {0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 32X16 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X64, transform size 32X64 |
| {0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 64X32 |
| // 4:1, 1:4 transform sizes. |
| {0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X16, transform size 4X16 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X4, transform size 16X4 |
| {0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 8X32 |
| {0x00000000000000ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 32X8 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X64, transform size 16X64 |
| {0x000000000000ffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 64X16 |
| }; |
| |
| const uint64_t kLeftMaskLookup[67][4] = { |
| // transform size 4X4 |
| {0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X4, transform size 4X4 |
| {0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X8, transform size 4X4 |
| {0x0000000000000003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X4, transform size 4X4 |
| {0x0000000000030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X8, transform size 4X4 |
| {0x0003000300030003ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X16, transform size 4X4 |
| {0x00000000000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X8, transform size 4X4 |
| {0x000f000f000f000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X16, transform size 4X4 |
| {0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 4X4 |
| {0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 4X4 |
| {0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 4X4 |
| {0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, 0x00ff00ff00ff00ffULL, |
| 0x00ff00ff00ff00ffULL}, // block size 32X64, transform size 4X4 |
| {0xffffffffffffffffULL, 0xffffffffffffffffULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 4X4 |
| {0xffffffffffffffffULL, 0xffffffffffffffffULL, 0xffffffffffffffffULL, |
| 0xffffffffffffffffULL}, // block size 64X64, transform size 4X4 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X16, transform size 4X4 |
| {0x000000000000000fULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X4, transform size 4X4 |
| {0x0003000300030003ULL, 0x0003000300030003ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 4X4 |
| {0x0000000000ff00ffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 4X4 |
| {0x000f000f000f000fULL, 0x000f000f000f000fULL, 0x000f000f000f000fULL, |
| 0x000f000f000f000fULL}, // block size 16X64, transform size 4X4 |
| {0xffffffffffffffffULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 4X4 |
| // transform size 8X8 |
| {0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X8, transform size 8X8 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X16, transform size 8X8 |
| {0x0000000000050005ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X8, transform size 8X8 |
| {0x0005000500050005ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X16, transform size 8X8 |
| {0x0005000500050005ULL, 0x0005000500050005ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 8X8 |
| {0x0055005500550055ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 8X8 |
| {0x0055005500550055ULL, 0x0055005500550055ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 8X8 |
| {0x0055005500550055ULL, 0x0055005500550055ULL, 0x0055005500550055ULL, |
| 0x0055005500550055ULL}, // block size 32X64, transform size 8X8 |
| {0x5555555555555555ULL, 0x5555555555555555ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 8X8 |
| {0x5555555555555555ULL, 0x5555555555555555ULL, 0x5555555555555555ULL, |
| 0x5555555555555555ULL}, // block size 64X64, transform size 8X8 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 8X8 |
| {0x0000000000550055ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 8X8 |
| {0x0005000500050005ULL, 0x0005000500050005ULL, 0x0005000500050005ULL, |
| 0x0005000500050005ULL}, // block size 16X64, transform size 8X8 |
| {0x5555555555555555ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 8X8 |
| // transform size 16X16 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X16, transform size 16X16 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 16X16 |
| {0x0011001100110011ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 16X16 |
| {0x0011001100110011ULL, 0x0011001100110011ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 16X16 |
| {0x0011001100110011ULL, 0x0011001100110011ULL, 0x0011001100110011ULL, |
| 0x0011001100110011ULL}, // block size 32X64, transform size 16X16 |
| {0x1111111111111111ULL, 0x1111111111111111ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 16X16 |
| {0x1111111111111111ULL, 0x1111111111111111ULL, 0x1111111111111111ULL, |
| 0x1111111111111111ULL}, // block size 64X64, transform size 16X16 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, |
| 0x0001000100010001ULL}, // block size 16X64, transform size 16X16 |
| {0x1111111111111111ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 16X16 |
| // transform size 32X32 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X32, transform size 32X32 |
| {0x0101010101010101ULL, 0x0101010101010101ULL, 0x0101010101010101ULL, |
| 0x0101010101010101ULL}, // block size 32X64, transform size 32X32 |
| {0x0101010101010101ULL, 0x0101010101010101ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 32X32 |
| {0x0101010101010101ULL, 0x0101010101010101ULL, 0x0101010101010101ULL, |
| 0x0101010101010101ULL}, // block size 64X64, transform size 32X32 |
| // transform size 64X64 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, |
| 0x0001000100010001ULL}, // block size 64X64, transform size 64X64 |
| // 2:1, 1:2 transform sizes. |
| {0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X8, transform size 4X8 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X16, transform size 4X8 |
| {0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X4, transform size 8X4 |
| {0x0000000000000005ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X4, transform size 8X4 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X16, transform size 8X16 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 8X16 |
| {0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X8, transform size 16X8 |
| {0x0000000000110011ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 16X8 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X32, transform size 16X32 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, |
| 0x0001000100010001ULL}, // block size 16X64, transform size 16X32 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X16, transform size 32X16 |
| {0x0101010101010101ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 32X16 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, |
| 0x0001000100010001ULL}, // block size 32X64, transform size 32X64 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X32, transform size 64X32 |
| // 4:1, 1:4 transform sizes. |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 4X16, transform size 4X16 |
| {0x0000000000000001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 16X4, transform size 16X4 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 8X32, transform size 8X32 |
| {0x0000000000010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 32X8, transform size 32X8 |
| {0x0001000100010001ULL, 0x0001000100010001ULL, 0x0001000100010001ULL, |
| 0x0001000100010001ULL}, // block size 16X64, transform size 16X64 |
| {0x0001000100010001ULL, 0x0000000000000000ULL, 0x0000000000000000ULL, |
| 0x0000000000000000ULL}, // block size 64X16, transform size 64X16 |
| }; |
| |
| } // namespace libgav1 |
