| /* |
| * Copyright © 2018, VideoLAN and dav1d authors |
| * Copyright © 2018, Two Orioles, LLC |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include "common/attributes.h" |
| #include "src/scan.h" |
| |
| static const uint16_t ALIGN(av1_default_scan_4x4[], 32) = { |
| 0, 4, 1, 2, |
| 5, 8, 12, 9, |
| 6, 3, 7, 10, |
| 13, 14, 11, 15, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_4x4[], 32) = { |
| 0, 4, 8, 12, |
| 1, 5, 9, 13, |
| 2, 6, 10, 14, |
| 3, 7, 11, 15, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_4x8[], 32) = { |
| 0, 8, 1, 16, |
| 9, 2, 24, 17, |
| 10, 3, 25, 18, |
| 11, 4, 26, 19, |
| 12, 5, 27, 20, |
| 13, 6, 28, 21, |
| 14, 7, 29, 22, |
| 15, 30, 23, 31, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_4x8[], 32) = { |
| 0, 8, 16, 24, |
| 1, 9, 17, 25, |
| 2, 10, 18, 26, |
| 3, 11, 19, 27, |
| 4, 12, 20, 28, |
| 5, 13, 21, 29, |
| 6, 14, 22, 30, |
| 7, 15, 23, 31, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_4x16[], 32) = { |
| 0, 16, 1, 32, |
| 17, 2, 48, 33, |
| 18, 3, 49, 34, |
| 19, 4, 50, 35, |
| 20, 5, 51, 36, |
| 21, 6, 52, 37, |
| 22, 7, 53, 38, |
| 23, 8, 54, 39, |
| 24, 9, 55, 40, |
| 25, 10, 56, 41, |
| 26, 11, 57, 42, |
| 27, 12, 58, 43, |
| 28, 13, 59, 44, |
| 29, 14, 60, 45, |
| 30, 15, 61, 46, |
| 31, 62, 47, 63, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_4x16[], 32) = { |
| 0, 16, 32, 48, |
| 1, 17, 33, 49, |
| 2, 18, 34, 50, |
| 3, 19, 35, 51, |
| 4, 20, 36, 52, |
| 5, 21, 37, 53, |
| 6, 22, 38, 54, |
| 7, 23, 39, 55, |
| 8, 24, 40, 56, |
| 9, 25, 41, 57, |
| 10, 26, 42, 58, |
| 11, 27, 43, 59, |
| 12, 28, 44, 60, |
| 13, 29, 45, 61, |
| 14, 30, 46, 62, |
| 15, 31, 47, 63, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_8x4[], 32) = { |
| 0, 1, 4, 2, 5, 8, 3, 6, |
| 9, 12, 7, 10, 13, 16, 11, 14, |
| 17, 20, 15, 18, 21, 24, 19, 22, |
| 25, 28, 23, 26, 29, 27, 30, 31, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_8x4[], 32) = { |
| 0, 4, 8, 12, 16, 20, 24, 28, |
| 1, 5, 9, 13, 17, 21, 25, 29, |
| 2, 6, 10, 14, 18, 22, 26, 30, |
| 3, 7, 11, 15, 19, 23, 27, 31, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_8x8[], 32) = { |
| 0, 8, 1, 2, 9, 16, 24, 17, |
| 10, 3, 4, 11, 18, 25, 32, 40, |
| 33, 26, 19, 12, 5, 6, 13, 20, |
| 27, 34, 41, 48, 56, 49, 42, 35, |
| 28, 21, 14, 7, 15, 22, 29, 36, |
| 43, 50, 57, 58, 51, 44, 37, 30, |
| 23, 31, 38, 45, 52, 59, 60, 53, |
| 46, 39, 47, 54, 61, 62, 55, 63, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_8x8[], 32) = { |
| 0, 8, 16, 24, 32, 40, 48, 56, |
| 1, 9, 17, 25, 33, 41, 49, 57, |
| 2, 10, 18, 26, 34, 42, 50, 58, |
| 3, 11, 19, 27, 35, 43, 51, 59, |
| 4, 12, 20, 28, 36, 44, 52, 60, |
| 5, 13, 21, 29, 37, 45, 53, 61, |
| 6, 14, 22, 30, 38, 46, 54, 62, |
| 7, 15, 23, 31, 39, 47, 55, 63, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_8x16[], 32) = { |
| 0, 16, 1, 32, 17, 2, 48, 33, |
| 18, 3, 64, 49, 34, 19, 4, 80, |
| 65, 50, 35, 20, 5, 96, 81, 66, |
| 51, 36, 21, 6, 112, 97, 82, 67, |
| 52, 37, 22, 7, 113, 98, 83, 68, |
| 53, 38, 23, 8, 114, 99, 84, 69, |
| 54, 39, 24, 9, 115, 100, 85, 70, |
| 55, 40, 25, 10, 116, 101, 86, 71, |
| 56, 41, 26, 11, 117, 102, 87, 72, |
| 57, 42, 27, 12, 118, 103, 88, 73, |
| 58, 43, 28, 13, 119, 104, 89, 74, |
| 59, 44, 29, 14, 120, 105, 90, 75, |
| 60, 45, 30, 15, 121, 106, 91, 76, |
| 61, 46, 31, 122, 107, 92, 77, 62, |
| 47, 123, 108, 93, 78, 63, 124, 109, |
| 94, 79, 125, 110, 95, 126, 111, 127, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_8x16[], 32) = { |
| 0, 16, 32, 48, 64, 80, 96, 112, |
| 1, 17, 33, 49, 65, 81, 97, 113, |
| 2, 18, 34, 50, 66, 82, 98, 114, |
| 3, 19, 35, 51, 67, 83, 99, 115, |
| 4, 20, 36, 52, 68, 84, 100, 116, |
| 5, 21, 37, 53, 69, 85, 101, 117, |
| 6, 22, 38, 54, 70, 86, 102, 118, |
| 7, 23, 39, 55, 71, 87, 103, 119, |
| 8, 24, 40, 56, 72, 88, 104, 120, |
| 9, 25, 41, 57, 73, 89, 105, 121, |
| 10, 26, 42, 58, 74, 90, 106, 122, |
| 11, 27, 43, 59, 75, 91, 107, 123, |
| 12, 28, 44, 60, 76, 92, 108, 124, |
| 13, 29, 45, 61, 77, 93, 109, 125, |
| 14, 30, 46, 62, 78, 94, 110, 126, |
| 15, 31, 47, 63, 79, 95, 111, 127, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_8x32[], 32) = { |
| 0, 32, 1, 64, 33, 2, 96, 65, |
| 34, 3, 128, 97, 66, 35, 4, 160, |
| 129, 98, 67, 36, 5, 192, 161, 130, |
| 99, 68, 37, 6, 224, 193, 162, 131, |
| 100, 69, 38, 7, 225, 194, 163, 132, |
| 101, 70, 39, 8, 226, 195, 164, 133, |
| 102, 71, 40, 9, 227, 196, 165, 134, |
| 103, 72, 41, 10, 228, 197, 166, 135, |
| 104, 73, 42, 11, 229, 198, 167, 136, |
| 105, 74, 43, 12, 230, 199, 168, 137, |
| 106, 75, 44, 13, 231, 200, 169, 138, |
| 107, 76, 45, 14, 232, 201, 170, 139, |
| 108, 77, 46, 15, 233, 202, 171, 140, |
| 109, 78, 47, 16, 234, 203, 172, 141, |
| 110, 79, 48, 17, 235, 204, 173, 142, |
| 111, 80, 49, 18, 236, 205, 174, 143, |
| 112, 81, 50, 19, 237, 206, 175, 144, |
| 113, 82, 51, 20, 238, 207, 176, 145, |
| 114, 83, 52, 21, 239, 208, 177, 146, |
| 115, 84, 53, 22, 240, 209, 178, 147, |
| 116, 85, 54, 23, 241, 210, 179, 148, |
| 117, 86, 55, 24, 242, 211, 180, 149, |
| 118, 87, 56, 25, 243, 212, 181, 150, |
| 119, 88, 57, 26, 244, 213, 182, 151, |
| 120, 89, 58, 27, 245, 214, 183, 152, |
| 121, 90, 59, 28, 246, 215, 184, 153, |
| 122, 91, 60, 29, 247, 216, 185, 154, |
| 123, 92, 61, 30, 248, 217, 186, 155, |
| 124, 93, 62, 31, 249, 218, 187, 156, |
| 125, 94, 63, 250, 219, 188, 157, 126, |
| 95, 251, 220, 189, 158, 127, 252, 221, |
| 190, 159, 253, 222, 191, 254, 223, 255, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_16x4[], 32) = { |
| 0, 1, 4, 2, 5, 8, 3, 6, 9, 12, 7, 10, 13, 16, 11, 14, |
| 17, 20, 15, 18, 21, 24, 19, 22, 25, 28, 23, 26, 29, 32, 27, 30, |
| 33, 36, 31, 34, 37, 40, 35, 38, 41, 44, 39, 42, 45, 48, 43, 46, |
| 49, 52, 47, 50, 53, 56, 51, 54, 57, 60, 55, 58, 61, 59, 62, 63, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_16x4[], 32) = { |
| 0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, |
| 1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, |
| 2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, |
| 3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_16x8[], 32) = { |
| 0, 1, 8, 2, 9, 16, 3, 10, 17, 24, 4, 11, 18, 25, 32, 5, |
| 12, 19, 26, 33, 40, 6, 13, 20, 27, 34, 41, 48, 7, 14, 21, 28, |
| 35, 42, 49, 56, 15, 22, 29, 36, 43, 50, 57, 64, 23, 30, 37, 44, |
| 51, 58, 65, 72, 31, 38, 45, 52, 59, 66, 73, 80, 39, 46, 53, 60, |
| 67, 74, 81, 88, 47, 54, 61, 68, 75, 82, 89, 96, 55, 62, 69, 76, |
| 83, 90, 97, 104, 63, 70, 77, 84, 91, 98, 105, 112, 71, 78, 85, 92, |
| 99, 106, 113, 120, 79, 86, 93, 100, 107, 114, 121, 87, 94, 101, 108, 115, |
| 122, 95, 102, 109, 116, 123, 103, 110, 117, 124, 111, 118, 125, 119, 126, 127, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_16x8[], 32) = { |
| 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, |
| 1, 9, 17, 25, 33, 41, 49, 57, 65, 73, 81, 89, 97, 105, 113, 121, |
| 2, 10, 18, 26, 34, 42, 50, 58, 66, 74, 82, 90, 98, 106, 114, 122, |
| 3, 11, 19, 27, 35, 43, 51, 59, 67, 75, 83, 91, 99, 107, 115, 123, |
| 4, 12, 20, 28, 36, 44, 52, 60, 68, 76, 84, 92, 100, 108, 116, 124, |
| 5, 13, 21, 29, 37, 45, 53, 61, 69, 77, 85, 93, 101, 109, 117, 125, |
| 6, 14, 22, 30, 38, 46, 54, 62, 70, 78, 86, 94, 102, 110, 118, 126, |
| 7, 15, 23, 31, 39, 47, 55, 63, 71, 79, 87, 95, 103, 111, 119, 127, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_16x16[], 32) = { |
| 0, 16, 1, 2, 17, 32, 48, 33, 18, 3, 4, 19, 34, 49, 64, 80, |
| 65, 50, 35, 20, 5, 6, 21, 36, 51, 66, 81, 96, 112, 97, 82, 67, |
| 52, 37, 22, 7, 8, 23, 38, 53, 68, 83, 98, 113, 128, 144, 129, 114, |
| 99, 84, 69, 54, 39, 24, 9, 10, 25, 40, 55, 70, 85, 100, 115, 130, |
| 145, 160, 176, 161, 146, 131, 116, 101, 86, 71, 56, 41, 26, 11, 12, 27, |
| 42, 57, 72, 87, 102, 117, 132, 147, 162, 177, 192, 208, 193, 178, 163, 148, |
| 133, 118, 103, 88, 73, 58, 43, 28, 13, 14, 29, 44, 59, 74, 89, 104, |
| 119, 134, 149, 164, 179, 194, 209, 224, 240, 225, 210, 195, 180, 165, 150, 135, |
| 120, 105, 90, 75, 60, 45, 30, 15, 31, 46, 61, 76, 91, 106, 121, 136, |
| 151, 166, 181, 196, 211, 226, 241, 242, 227, 212, 197, 182, 167, 152, 137, 122, |
| 107, 92, 77, 62, 47, 63, 78, 93, 108, 123, 138, 153, 168, 183, 198, 213, |
| 228, 243, 244, 229, 214, 199, 184, 169, 154, 139, 124, 109, 94, 79, 95, 110, |
| 125, 140, 155, 170, 185, 200, 215, 230, 245, 246, 231, 216, 201, 186, 171, 156, |
| 141, 126, 111, 127, 142, 157, 172, 187, 202, 217, 232, 247, 248, 233, 218, 203, |
| 188, 173, 158, 143, 159, 174, 189, 204, 219, 234, 249, 250, 235, 220, 205, 190, |
| 175, 191, 206, 221, 236, 251, 252, 237, 222, 207, 223, 238, 253, 254, 239, 255, |
| }; |
| static const uint16_t ALIGN(av1_mrow_scan_16x16[], 32) = { |
| 0, 16, 32, 48, 64, 80, 96, 112, 128, 144, 160, 176, 192, 208, 224, 240, |
| 1, 17, 33, 49, 65, 81, 97, 113, 129, 145, 161, 177, 193, 209, 225, 241, |
| 2, 18, 34, 50, 66, 82, 98, 114, 130, 146, 162, 178, 194, 210, 226, 242, |
| 3, 19, 35, 51, 67, 83, 99, 115, 131, 147, 163, 179, 195, 211, 227, 243, |
| 4, 20, 36, 52, 68, 84, 100, 116, 132, 148, 164, 180, 196, 212, 228, 244, |
| 5, 21, 37, 53, 69, 85, 101, 117, 133, 149, 165, 181, 197, 213, 229, 245, |
| 6, 22, 38, 54, 70, 86, 102, 118, 134, 150, 166, 182, 198, 214, 230, 246, |
| 7, 23, 39, 55, 71, 87, 103, 119, 135, 151, 167, 183, 199, 215, 231, 247, |
| 8, 24, 40, 56, 72, 88, 104, 120, 136, 152, 168, 184, 200, 216, 232, 248, |
| 9, 25, 41, 57, 73, 89, 105, 121, 137, 153, 169, 185, 201, 217, 233, 249, |
| 10, 26, 42, 58, 74, 90, 106, 122, 138, 154, 170, 186, 202, 218, 234, 250, |
| 11, 27, 43, 59, 75, 91, 107, 123, 139, 155, 171, 187, 203, 219, 235, 251, |
| 12, 28, 44, 60, 76, 92, 108, 124, 140, 156, 172, 188, 204, 220, 236, 252, |
| 13, 29, 45, 61, 77, 93, 109, 125, 141, 157, 173, 189, 205, 221, 237, 253, |
| 14, 30, 46, 62, 78, 94, 110, 126, 142, 158, 174, 190, 206, 222, 238, 254, |
| 15, 31, 47, 63, 79, 95, 111, 127, 143, 159, 175, 191, 207, 223, 239, 255, |
| }; |
| static const uint16_t ALIGN(av1_mcol_scan_16x16[], 32) = { |
| 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, |
| 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, |
| 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, |
| 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, |
| 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, |
| 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, |
| 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, |
| 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, |
| 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, |
| 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, |
| 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, |
| 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, |
| 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, |
| 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, |
| 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, |
| 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, 255, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_16x32[], 32) = { |
| 0, 32, 1, 64, 33, 2, 96, 65, 34, 3, 128, 97, 66, 35, 4, 160, |
| 129, 98, 67, 36, 5, 192, 161, 130, 99, 68, 37, 6, 224, 193, 162, 131, |
| 100, 69, 38, 7, 256, 225, 194, 163, 132, 101, 70, 39, 8, 288, 257, 226, |
| 195, 164, 133, 102, 71, 40, 9, 320, 289, 258, 227, 196, 165, 134, 103, 72, |
| 41, 10, 352, 321, 290, 259, 228, 197, 166, 135, 104, 73, 42, 11, 384, 353, |
| 322, 291, 260, 229, 198, 167, 136, 105, 74, 43, 12, 416, 385, 354, 323, 292, |
| 261, 230, 199, 168, 137, 106, 75, 44, 13, 448, 417, 386, 355, 324, 293, 262, |
| 231, 200, 169, 138, 107, 76, 45, 14, 480, 449, 418, 387, 356, 325, 294, 263, |
| 232, 201, 170, 139, 108, 77, 46, 15, 481, 450, 419, 388, 357, 326, 295, 264, |
| 233, 202, 171, 140, 109, 78, 47, 16, 482, 451, 420, 389, 358, 327, 296, 265, |
| 234, 203, 172, 141, 110, 79, 48, 17, 483, 452, 421, 390, 359, 328, 297, 266, |
| 235, 204, 173, 142, 111, 80, 49, 18, 484, 453, 422, 391, 360, 329, 298, 267, |
| 236, 205, 174, 143, 112, 81, 50, 19, 485, 454, 423, 392, 361, 330, 299, 268, |
| 237, 206, 175, 144, 113, 82, 51, 20, 486, 455, 424, 393, 362, 331, 300, 269, |
| 238, 207, 176, 145, 114, 83, 52, 21, 487, 456, 425, 394, 363, 332, 301, 270, |
| 239, 208, 177, 146, 115, 84, 53, 22, 488, 457, 426, 395, 364, 333, 302, 271, |
| 240, 209, 178, 147, 116, 85, 54, 23, 489, 458, 427, 396, 365, 334, 303, 272, |
| 241, 210, 179, 148, 117, 86, 55, 24, 490, 459, 428, 397, 366, 335, 304, 273, |
| 242, 211, 180, 149, 118, 87, 56, 25, 491, 460, 429, 398, 367, 336, 305, 274, |
| 243, 212, 181, 150, 119, 88, 57, 26, 492, 461, 430, 399, 368, 337, 306, 275, |
| 244, 213, 182, 151, 120, 89, 58, 27, 493, 462, 431, 400, 369, 338, 307, 276, |
| 245, 214, 183, 152, 121, 90, 59, 28, 494, 463, 432, 401, 370, 339, 308, 277, |
| 246, 215, 184, 153, 122, 91, 60, 29, 495, 464, 433, 402, 371, 340, 309, 278, |
| 247, 216, 185, 154, 123, 92, 61, 30, 496, 465, 434, 403, 372, 341, 310, 279, |
| 248, 217, 186, 155, 124, 93, 62, 31, 497, 466, 435, 404, 373, 342, 311, 280, |
| 249, 218, 187, 156, 125, 94, 63, 498, 467, 436, 405, 374, 343, 312, 281, 250, |
| 219, 188, 157, 126, 95, 499, 468, 437, 406, 375, 344, 313, 282, 251, 220, 189, |
| 158, 127, 500, 469, 438, 407, 376, 345, 314, 283, 252, 221, 190, 159, 501, 470, |
| 439, 408, 377, 346, 315, 284, 253, 222, 191, 502, 471, 440, 409, 378, 347, 316, |
| 285, 254, 223, 503, 472, 441, 410, 379, 348, 317, 286, 255, 504, 473, 442, 411, |
| 380, 349, 318, 287, 505, 474, 443, 412, 381, 350, 319, 506, 475, 444, 413, 382, |
| 351, 507, 476, 445, 414, 383, 508, 477, 446, 415, 509, 478, 447, 510, 479, 511, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_32x8[], 32) = { |
| 0, 1, 8, 2, 9, 16, 3, 10, 17, 24, 4, 11, 18, 25, 32, 5, 12, 19, 26, 33, 40, 6, 13, 20, 27, 34, 41, 48, 7, 14, 21, 28, |
| 35, 42, 49, 56, 15, 22, 29, 36, 43, 50, 57, 64, 23, 30, 37, 44, 51, 58, 65, 72, 31, 38, 45, 52, 59, 66, 73, 80, 39, 46, 53, 60, |
| 67, 74, 81, 88, 47, 54, 61, 68, 75, 82, 89, 96, 55, 62, 69, 76, 83, 90, 97, 104, 63, 70, 77, 84, 91, 98, 105, 112, 71, 78, 85, 92, |
| 99, 106, 113, 120, 79, 86, 93, 100, 107, 114, 121, 128, 87, 94, 101, 108, 115, 122, 129, 136, 95, 102, 109, 116, 123, 130, 137, 144, 103, 110, 117, 124, |
| 131, 138, 145, 152, 111, 118, 125, 132, 139, 146, 153, 160, 119, 126, 133, 140, 147, 154, 161, 168, 127, 134, 141, 148, 155, 162, 169, 176, 135, 142, 149, 156, |
| 163, 170, 177, 184, 143, 150, 157, 164, 171, 178, 185, 192, 151, 158, 165, 172, 179, 186, 193, 200, 159, 166, 173, 180, 187, 194, 201, 208, 167, 174, 181, 188, |
| 195, 202, 209, 216, 175, 182, 189, 196, 203, 210, 217, 224, 183, 190, 197, 204, 211, 218, 225, 232, 191, 198, 205, 212, 219, 226, 233, 240, 199, 206, 213, 220, |
| 227, 234, 241, 248, 207, 214, 221, 228, 235, 242, 249, 215, 222, 229, 236, 243, 250, 223, 230, 237, 244, 251, 231, 238, 245, 252, 239, 246, 253, 247, 254, 255, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_32x16[], 32) = { |
| 0, 1, 16, 2, 17, 32, 3, 18, 33, 48, 4, 19, 34, 49, 64, 5, 20, 35, 50, 65, 80, 6, 21, 36, 51, 66, 81, 96, 7, 22, 37, 52, |
| 67, 82, 97, 112, 8, 23, 38, 53, 68, 83, 98, 113, 128, 9, 24, 39, 54, 69, 84, 99, 114, 129, 144, 10, 25, 40, 55, 70, 85, 100, 115, 130, |
| 145, 160, 11, 26, 41, 56, 71, 86, 101, 116, 131, 146, 161, 176, 12, 27, 42, 57, 72, 87, 102, 117, 132, 147, 162, 177, 192, 13, 28, 43, 58, 73, |
| 88, 103, 118, 133, 148, 163, 178, 193, 208, 14, 29, 44, 59, 74, 89, 104, 119, 134, 149, 164, 179, 194, 209, 224, 15, 30, 45, 60, 75, 90, 105, 120, |
| 135, 150, 165, 180, 195, 210, 225, 240, 31, 46, 61, 76, 91, 106, 121, 136, 151, 166, 181, 196, 211, 226, 241, 256, 47, 62, 77, 92, 107, 122, 137, 152, |
| 167, 182, 197, 212, 227, 242, 257, 272, 63, 78, 93, 108, 123, 138, 153, 168, 183, 198, 213, 228, 243, 258, 273, 288, 79, 94, 109, 124, 139, 154, 169, 184, |
| 199, 214, 229, 244, 259, 274, 289, 304, 95, 110, 125, 140, 155, 170, 185, 200, 215, 230, 245, 260, 275, 290, 305, 320, 111, 126, 141, 156, 171, 186, 201, 216, |
| 231, 246, 261, 276, 291, 306, 321, 336, 127, 142, 157, 172, 187, 202, 217, 232, 247, 262, 277, 292, 307, 322, 337, 352, 143, 158, 173, 188, 203, 218, 233, 248, |
| 263, 278, 293, 308, 323, 338, 353, 368, 159, 174, 189, 204, 219, 234, 249, 264, 279, 294, 309, 324, 339, 354, 369, 384, 175, 190, 205, 220, 235, 250, 265, 280, |
| 295, 310, 325, 340, 355, 370, 385, 400, 191, 206, 221, 236, 251, 266, 281, 296, 311, 326, 341, 356, 371, 386, 401, 416, 207, 222, 237, 252, 267, 282, 297, 312, |
| 327, 342, 357, 372, 387, 402, 417, 432, 223, 238, 253, 268, 283, 298, 313, 328, 343, 358, 373, 388, 403, 418, 433, 448, 239, 254, 269, 284, 299, 314, 329, 344, |
| 359, 374, 389, 404, 419, 434, 449, 464, 255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, 480, 271, 286, 301, 316, 331, 346, 361, 376, |
| 391, 406, 421, 436, 451, 466, 481, 496, 287, 302, 317, 332, 347, 362, 377, 392, 407, 422, 437, 452, 467, 482, 497, 303, 318, 333, 348, 363, 378, 393, 408, 423, |
| 438, 453, 468, 483, 498, 319, 334, 349, 364, 379, 394, 409, 424, 439, 454, 469, 484, 499, 335, 350, 365, 380, 395, 410, 425, 440, 455, 470, 485, 500, 351, 366, |
| 381, 396, 411, 426, 441, 456, 471, 486, 501, 367, 382, 397, 412, 427, 442, 457, 472, 487, 502, 383, 398, 413, 428, 443, 458, 473, 488, 503, 399, 414, 429, 444, |
| 459, 474, 489, 504, 415, 430, 445, 460, 475, 490, 505, 431, 446, 461, 476, 491, 506, 447, 462, 477, 492, 507, 463, 478, 493, 508, 479, 494, 509, 495, 510, 511, |
| }; |
| static const uint16_t ALIGN(av1_default_scan_32x32[], 32) = { |
| 0, 32, 1, 2, 33, 64, 96, 65, 34, 3, 4, 35, 66, 97, 128, 160, 129, 98, 67, 36, 5, 6, 37, 68, 99, 130, 161, 192, 224, 193, 162, 131, |
| 100, 69, 38, 7, 8, 39, 70, 101, 132, 163, 194, 225, 256, 288, 257, 226, 195, 164, 133, 102, 71, 40, 9, 10, 41, 72, 103, 134, 165, 196, 227, 258, |
| 289, 320, 352, 321, 290, 259, 228, 197, 166, 135, 104, 73, 42, 11, 12, 43, 74, 105, 136, 167, 198, 229, 260, 291, 322, 353, 384, 416, 385, 354, 323, 292, |
| 261, 230, 199, 168, 137, 106, 75, 44, 13, 14, 45, 76, 107, 138, 169, 200, 231, 262, 293, 324, 355, 386, 417, 448, 480, 449, 418, 387, 356, 325, 294, 263, |
| 232, 201, 170, 139, 108, 77, 46, 15, 16, 47, 78, 109, 140, 171, 202, 233, 264, 295, 326, 357, 388, 419, 450, 481, 512, 544, 513, 482, 451, 420, 389, 358, |
| 327, 296, 265, 234, 203, 172, 141, 110, 79, 48, 17, 18, 49, 80, 111, 142, 173, 204, 235, 266, 297, 328, 359, 390, 421, 452, 483, 514, 545, 576, 608, 577, |
| 546, 515, 484, 453, 422, 391, 360, 329, 298, 267, 236, 205, 174, 143, 112, 81, 50, 19, 20, 51, 82, 113, 144, 175, 206, 237, 268, 299, 330, 361, 392, 423, |
| 454, 485, 516, 547, 578, 609, 640, 672, 641, 610, 579, 548, 517, 486, 455, 424, 393, 362, 331, 300, 269, 238, 207, 176, 145, 114, 83, 52, 21, 22, 53, 84, |
| 115, 146, 177, 208, 239, 270, 301, 332, 363, 394, 425, 456, 487, 518, 549, 580, 611, 642, 673, 704, 736, 705, 674, 643, 612, 581, 550, 519, 488, 457, 426, 395, |
| 364, 333, 302, 271, 240, 209, 178, 147, 116, 85, 54, 23, 24, 55, 86, 117, 148, 179, 210, 241, 272, 303, 334, 365, 396, 427, 458, 489, 520, 551, 582, 613, |
| 644, 675, 706, 737, 768, 800, 769, 738, 707, 676, 645, 614, 583, 552, 521, 490, 459, 428, 397, 366, 335, 304, 273, 242, 211, 180, 149, 118, 87, 56, 25, 26, |
| 57, 88, 119, 150, 181, 212, 243, 274, 305, 336, 367, 398, 429, 460, 491, 522, 553, 584, 615, 646, 677, 708, 739, 770, 801, 832, 864, 833, 802, 771, 740, 709, |
| 678, 647, 616, 585, 554, 523, 492, 461, 430, 399, 368, 337, 306, 275, 244, 213, 182, 151, 120, 89, 58, 27, 28, 59, 90, 121, 152, 183, 214, 245, 276, 307, |
| 338, 369, 400, 431, 462, 493, 524, 555, 586, 617, 648, 679, 710, 741, 772, 803, 834, 865, 896, 928, 897, 866, 835, 804, 773, 742, 711, 680, 649, 618, 587, 556, |
| 525, 494, 463, 432, 401, 370, 339, 308, 277, 246, 215, 184, 153, 122, 91, 60, 29, 30, 61, 92, 123, 154, 185, 216, 247, 278, 309, 340, 371, 402, 433, 464, |
| 495, 526, 557, 588, 619, 650, 681, 712, 743, 774, 805, 836, 867, 898, 929, 960, 992, 961, 930, 899, 868, 837, 806, 775, 744, 713, 682, 651, 620, 589, 558, 527, |
| 496, 465, 434, 403, 372, 341, 310, 279, 248, 217, 186, 155, 124, 93, 62, 31, 63, 94, 125, 156, 187, 218, 249, 280, 311, 342, 373, 404, 435, 466, 497, 528, |
| 559, 590, 621, 652, 683, 714, 745, 776, 807, 838, 869, 900, 931, 962, 993, 994, 963, 932, 901, 870, 839, 808, 777, 746, 715, 684, 653, 622, 591, 560, 529, 498, |
| 467, 436, 405, 374, 343, 312, 281, 250, 219, 188, 157, 126, 95, 127, 158, 189, 220, 251, 282, 313, 344, 375, 406, 437, 468, 499, 530, 561, 592, 623, 654, 685, |
| 716, 747, 778, 809, 840, 871, 902, 933, 964, 995, 996, 965, 934, 903, 872, 841, 810, 779, 748, 717, 686, 655, 624, 593, 562, 531, 500, 469, 438, 407, 376, 345, |
| 314, 283, 252, 221, 190, 159, 191, 222, 253, 284, 315, 346, 377, 408, 439, 470, 501, 532, 563, 594, 625, 656, 687, 718, 749, 780, 811, 842, 873, 904, 935, 966, |
| 997, 998, 967, 936, 905, 874, 843, 812, 781, 750, 719, 688, 657, 626, 595, 564, 533, 502, 471, 440, 409, 378, 347, 316, 285, 254, 223, 255, 286, 317, 348, 379, |
| 410, 441, 472, 503, 534, 565, 596, 627, 658, 689, 720, 751, 782, 813, 844, 875, 906, 937, 968, 999, 1000, 969, 938, 907, 876, 845, 814, 783, 752, 721, 690, 659, |
| 628, 597, 566, 535, 504, 473, 442, 411, 380, 349, 318, 287, 319, 350, 381, 412, 443, 474, 505, 536, 567, 598, 629, 660, 691, 722, 753, 784, 815, 846, 877, 908, |
| 939, 970, 1001, 1002, 971, 940, 909, 878, 847, 816, 785, 754, 723, 692, 661, 630, 599, 568, 537, 506, 475, 444, 413, 382, 351, 383, 414, 445, 476, 507, 538, 569, |
| 600, 631, 662, 693, 724, 755, 786, 817, 848, 879, 910, 941, 972, 1003, 1004, 973, 942, 911, 880, 849, 818, 787, 756, 725, 694, 663, 632, 601, 570, 539, 508, 477, |
| 446, 415, 447, 478, 509, 540, 571, 602, 633, 664, 695, 726, 757, 788, 819, 850, 881, 912, 943, 974, 1005, 1006, 975, 944, 913, 882, 851, 820, 789, 758, 727, 696, |
| 665, 634, 603, 572, 541, 510, 479, 511, 542, 573, 604, 635, 666, 697, 728, 759, 790, 821, 852, 883, 914, 945, 976, 1007, 1008, 977, 946, 915, 884, 853, 822, 791, |
| 760, 729, 698, 667, 636, 605, 574, 543, 575, 606, 637, 668, 699, 730, 761, 792, 823, 854, 885, 916, 947, 978, 1009, 1010, 979, 948, 917, 886, 855, 824, 793, 762, |
| 731, 700, 669, 638, 607, 639, 670, 701, 732, 763, 794, 825, 856, 887, 918, 949, 980, 1011, 1012, 981, 950, 919, 888, 857, 826, 795, 764, 733, 702, 671, 703, 734, |
| 765, 796, 827, 858, 889, 920, 951, 982, 1013, 1014, 983, 952, 921, 890, 859, 828, 797, 766, 735, 767, 798, 829, 860, 891, 922, 953, 984, 1015, 1016, 985, 954, 923, |
| 892, 861, 830, 799, 831, 862, 893, 924, 955, 986, 1017, 1018, 987, 956, 925, 894, 863, 895, 926, 957, 988, 1019, 1020, 989, 958, 927, 959, 990, 1021, 1022, 991, 1023, |
| }; |
| |
| const uint16_t *const dav1d_scans[N_RECT_TX_SIZES][3] = { |
| [TX_4X4] = { |
| [TX_CLASS_2D] = av1_default_scan_4x4, |
| [TX_CLASS_V] = av1_mrow_scan_4x4, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [TX_8X8] = { |
| [TX_CLASS_2D] = av1_default_scan_8x8, |
| [TX_CLASS_V] = av1_mrow_scan_8x8, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [TX_16X16] = { |
| [TX_CLASS_2D] = av1_default_scan_16x16, |
| [TX_CLASS_V] = av1_mrow_scan_16x16, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [TX_32X32] = { |
| [TX_CLASS_2D] = av1_default_scan_32x32, |
| }, [TX_64X64] = { |
| [TX_CLASS_2D] = av1_default_scan_32x32, |
| }, [RTX_4X8] = { |
| [TX_CLASS_2D] = av1_default_scan_4x8, |
| [TX_CLASS_V] = av1_mrow_scan_4x8, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [RTX_8X4] = { |
| [TX_CLASS_2D] = av1_default_scan_8x4, |
| [TX_CLASS_V] = av1_mrow_scan_8x4, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [RTX_8X16] = { |
| [TX_CLASS_2D] = av1_default_scan_8x16, |
| [TX_CLASS_V] = av1_mrow_scan_8x16, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [RTX_16X8] = { |
| [TX_CLASS_2D] = av1_default_scan_16x8, |
| [TX_CLASS_V] = av1_mrow_scan_16x8, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [RTX_16X32] = { |
| [TX_CLASS_2D] = av1_default_scan_16x32, |
| }, [RTX_32X16] = { |
| [TX_CLASS_2D] = av1_default_scan_32x16, |
| }, [RTX_32X64] = { |
| [TX_CLASS_2D] = av1_default_scan_32x32, |
| }, [RTX_64X32] = { |
| [TX_CLASS_2D] = av1_default_scan_32x32, |
| }, [RTX_4X16] = { |
| [TX_CLASS_2D] = av1_default_scan_4x16, |
| [TX_CLASS_V] = av1_mrow_scan_4x16, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [RTX_16X4] = { |
| [TX_CLASS_2D] = av1_default_scan_16x4, |
| [TX_CLASS_V] = av1_mrow_scan_16x4, |
| [TX_CLASS_H] = av1_mcol_scan_16x16, |
| }, [RTX_8X32] = { |
| [TX_CLASS_2D] = av1_default_scan_8x32, |
| }, [RTX_32X8] = { |
| [TX_CLASS_2D] = av1_default_scan_32x8, |
| }, [RTX_16X64] = { |
| [TX_CLASS_2D] = av1_default_scan_16x32, |
| }, [RTX_64X16] = { |
| [TX_CLASS_2D] = av1_default_scan_32x16, |
| }, |
| }; |
