| /* |
| * Copyright (c) 2016, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 2 Clause License and |
| * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License |
| * was not distributed with this source code in the LICENSE file, you can |
| * obtain it at www.aomedia.org/license/software. If the Alliance for Open |
| * Media Patent License 1.0 was not distributed with this source code in the |
| * PATENTS file, you can obtain it at www.aomedia.org/license/patent. |
| */ |
| |
| #include <assert.h> |
| #include <limits.h> |
| #include <math.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "./aom_config.h" |
| #if CONFIG_HIGHBITDEPTH |
| #include "aom_dsp/aom_dsp_common.h" |
| #endif // CONFIG_HIGHBITDEPTH |
| #include "aom_ports/mem.h" |
| #include "aom_scale/aom_scale.h" |
| #include "av1/common/common.h" |
| #include "av1/common/resize.h" |
| |
| #include "./aom_scale_rtcd.h" |
| |
| #define FILTER_BITS 7 |
| |
| #define INTERP_TAPS 8 |
| #define SUBPEL_BITS_RS 6 |
| #define SUBPEL_MASK_RS ((1 << SUBPEL_BITS_RS) - 1) |
| #define INTERP_PRECISION_BITS 16 |
| #define SUBPEL_INTERP_EXTRA_BITS (INTERP_PRECISION_BITS - SUBPEL_BITS_RS) |
| #define SUBPEL_INTERP_EXTRA_OFF (1 << (SUBPEL_INTERP_EXTRA_BITS - 1)) |
| |
| typedef int16_t interp_kernel[INTERP_TAPS]; |
| |
| // Filters for interpolation (0.5-band) - note this also filters integer pels. |
| static const interp_kernel filteredinterp_filters500[(1 << SUBPEL_BITS_RS)] = { |
| { -3, 0, 35, 64, 35, 0, -3, 0 }, { -3, 0, 34, 64, 36, 0, -3, 0 }, |
| { -3, -1, 34, 64, 36, 1, -3, 0 }, { -3, -1, 33, 64, 37, 1, -3, 0 }, |
| { -3, -1, 32, 64, 38, 1, -3, 0 }, { -3, -1, 31, 64, 39, 1, -3, 0 }, |
| { -3, -1, 31, 63, 39, 2, -3, 0 }, { -2, -2, 30, 63, 40, 2, -3, 0 }, |
| { -2, -2, 29, 63, 41, 2, -3, 0 }, { -2, -2, 29, 63, 41, 3, -4, 0 }, |
| { -2, -2, 28, 63, 42, 3, -4, 0 }, { -2, -2, 27, 63, 43, 3, -4, 0 }, |
| { -2, -3, 27, 63, 43, 4, -4, 0 }, { -2, -3, 26, 62, 44, 5, -4, 0 }, |
| { -2, -3, 25, 62, 45, 5, -4, 0 }, { -2, -3, 25, 62, 45, 5, -4, 0 }, |
| { -2, -3, 24, 62, 46, 5, -4, 0 }, { -2, -3, 23, 61, 47, 6, -4, 0 }, |
| { -2, -3, 23, 61, 47, 6, -4, 0 }, { -2, -3, 22, 61, 48, 7, -4, -1 }, |
| { -2, -3, 21, 60, 49, 7, -4, 0 }, { -1, -4, 20, 60, 49, 8, -4, 0 }, |
| { -1, -4, 20, 60, 50, 8, -4, -1 }, { -1, -4, 19, 59, 51, 9, -4, -1 }, |
| { -1, -4, 19, 59, 51, 9, -4, -1 }, { -1, -4, 18, 58, 52, 10, -4, -1 }, |
| { -1, -4, 17, 58, 52, 11, -4, -1 }, { -1, -4, 16, 58, 53, 11, -4, -1 }, |
| { -1, -4, 16, 57, 53, 12, -4, -1 }, { -1, -4, 15, 57, 54, 12, -4, -1 }, |
| { -1, -4, 15, 56, 54, 13, -4, -1 }, { -1, -4, 14, 56, 55, 13, -4, -1 }, |
| { -1, -4, 14, 55, 55, 14, -4, -1 }, { -1, -4, 13, 55, 56, 14, -4, -1 }, |
| { -1, -4, 13, 54, 56, 15, -4, -1 }, { -1, -4, 12, 54, 57, 15, -4, -1 }, |
| { -1, -4, 12, 53, 57, 16, -4, -1 }, { -1, -4, 11, 53, 58, 16, -4, -1 }, |
| { -1, -4, 11, 52, 58, 17, -4, -1 }, { -1, -4, 10, 52, 58, 18, -4, -1 }, |
| { -1, -4, 9, 51, 59, 19, -4, -1 }, { -1, -4, 9, 51, 59, 19, -4, -1 }, |
| { -1, -4, 8, 50, 60, 20, -4, -1 }, { 0, -4, 8, 49, 60, 20, -4, -1 }, |
| { 0, -4, 7, 49, 60, 21, -3, -2 }, { -1, -4, 7, 48, 61, 22, -3, -2 }, |
| { 0, -4, 6, 47, 61, 23, -3, -2 }, { 0, -4, 6, 47, 61, 23, -3, -2 }, |
| { 0, -4, 5, 46, 62, 24, -3, -2 }, { 0, -4, 5, 45, 62, 25, -3, -2 }, |
| { 0, -4, 5, 45, 62, 25, -3, -2 }, { 0, -4, 5, 44, 62, 26, -3, -2 }, |
| { 0, -4, 4, 43, 63, 27, -3, -2 }, { 0, -4, 3, 43, 63, 27, -2, -2 }, |
| { 0, -4, 3, 42, 63, 28, -2, -2 }, { 0, -4, 3, 41, 63, 29, -2, -2 }, |
| { 0, -3, 2, 41, 63, 29, -2, -2 }, { 0, -3, 2, 40, 63, 30, -2, -2 }, |
| { 0, -3, 2, 39, 63, 31, -1, -3 }, { 0, -3, 1, 39, 64, 31, -1, -3 }, |
| { 0, -3, 1, 38, 64, 32, -1, -3 }, { 0, -3, 1, 37, 64, 33, -1, -3 }, |
| { 0, -3, 1, 36, 64, 34, -1, -3 }, { 0, -3, 0, 36, 64, 34, 0, -3 }, |
| }; |
| |
| // Filters for interpolation (0.625-band) - note this also filters integer pels. |
| static const interp_kernel filteredinterp_filters625[(1 << SUBPEL_BITS_RS)] = { |
| { -1, -8, 33, 80, 33, -8, -1, 0 }, { -1, -8, 31, 80, 34, -8, -1, 1 }, |
| { -1, -8, 30, 80, 35, -8, -1, 1 }, { -1, -8, 29, 80, 36, -7, -2, 1 }, |
| { -1, -8, 28, 80, 37, -7, -2, 1 }, { -1, -8, 27, 80, 38, -7, -2, 1 }, |
| { 0, -8, 26, 79, 39, -7, -2, 1 }, { 0, -8, 25, 79, 40, -7, -2, 1 }, |
| { 0, -8, 24, 79, 41, -7, -2, 1 }, { 0, -8, 23, 78, 42, -6, -2, 1 }, |
| { 0, -8, 22, 78, 43, -6, -2, 1 }, { 0, -8, 21, 78, 44, -6, -2, 1 }, |
| { 0, -8, 20, 78, 45, -5, -3, 1 }, { 0, -8, 19, 77, 47, -5, -3, 1 }, |
| { 0, -8, 18, 77, 48, -5, -3, 1 }, { 0, -8, 17, 77, 49, -5, -3, 1 }, |
| { 0, -8, 16, 76, 50, -4, -3, 1 }, { 0, -8, 15, 76, 51, -4, -3, 1 }, |
| { 0, -8, 15, 75, 52, -3, -4, 1 }, { 0, -7, 14, 74, 53, -3, -4, 1 }, |
| { 0, -7, 13, 74, 54, -3, -4, 1 }, { 0, -7, 12, 73, 55, -2, -4, 1 }, |
| { 0, -7, 11, 73, 56, -2, -4, 1 }, { 0, -7, 10, 72, 57, -1, -4, 1 }, |
| { 1, -7, 10, 71, 58, -1, -5, 1 }, { 0, -7, 9, 71, 59, 0, -5, 1 }, |
| { 1, -7, 8, 70, 60, 0, -5, 1 }, { 1, -7, 7, 69, 61, 1, -5, 1 }, |
| { 1, -6, 6, 68, 62, 1, -5, 1 }, { 0, -6, 6, 68, 62, 2, -5, 1 }, |
| { 1, -6, 5, 67, 63, 2, -5, 1 }, { 1, -6, 5, 66, 64, 3, -6, 1 }, |
| { 1, -6, 4, 65, 65, 4, -6, 1 }, { 1, -6, 3, 64, 66, 5, -6, 1 }, |
| { 1, -5, 2, 63, 67, 5, -6, 1 }, { 1, -5, 2, 62, 68, 6, -6, 0 }, |
| { 1, -5, 1, 62, 68, 6, -6, 1 }, { 1, -5, 1, 61, 69, 7, -7, 1 }, |
| { 1, -5, 0, 60, 70, 8, -7, 1 }, { 1, -5, 0, 59, 71, 9, -7, 0 }, |
| { 1, -5, -1, 58, 71, 10, -7, 1 }, { 1, -4, -1, 57, 72, 10, -7, 0 }, |
| { 1, -4, -2, 56, 73, 11, -7, 0 }, { 1, -4, -2, 55, 73, 12, -7, 0 }, |
| { 1, -4, -3, 54, 74, 13, -7, 0 }, { 1, -4, -3, 53, 74, 14, -7, 0 }, |
| { 1, -4, -3, 52, 75, 15, -8, 0 }, { 1, -3, -4, 51, 76, 15, -8, 0 }, |
| { 1, -3, -4, 50, 76, 16, -8, 0 }, { 1, -3, -5, 49, 77, 17, -8, 0 }, |
| { 1, -3, -5, 48, 77, 18, -8, 0 }, { 1, -3, -5, 47, 77, 19, -8, 0 }, |
| { 1, -3, -5, 45, 78, 20, -8, 0 }, { 1, -2, -6, 44, 78, 21, -8, 0 }, |
| { 1, -2, -6, 43, 78, 22, -8, 0 }, { 1, -2, -6, 42, 78, 23, -8, 0 }, |
| { 1, -2, -7, 41, 79, 24, -8, 0 }, { 1, -2, -7, 40, 79, 25, -8, 0 }, |
| { 1, -2, -7, 39, 79, 26, -8, 0 }, { 1, -2, -7, 38, 80, 27, -8, -1 }, |
| { 1, -2, -7, 37, 80, 28, -8, -1 }, { 1, -2, -7, 36, 80, 29, -8, -1 }, |
| { 1, -1, -8, 35, 80, 30, -8, -1 }, { 1, -1, -8, 34, 80, 31, -8, -1 }, |
| }; |
| |
| // Filters for interpolation (0.75-band) - note this also filters integer pels. |
| static const interp_kernel filteredinterp_filters750[(1 << SUBPEL_BITS_RS)] = { |
| { 2, -11, 25, 96, 25, -11, 2, 0 }, { 2, -11, 24, 96, 26, -11, 2, 0 }, |
| { 2, -11, 22, 96, 28, -11, 2, 0 }, { 2, -10, 21, 96, 29, -12, 2, 0 }, |
| { 2, -10, 19, 96, 31, -12, 2, 0 }, { 2, -10, 18, 95, 32, -11, 2, 0 }, |
| { 2, -10, 17, 95, 34, -12, 2, 0 }, { 2, -9, 15, 95, 35, -12, 2, 0 }, |
| { 2, -9, 14, 94, 37, -12, 2, 0 }, { 2, -9, 13, 94, 38, -12, 2, 0 }, |
| { 2, -8, 12, 93, 40, -12, 1, 0 }, { 2, -8, 11, 93, 41, -12, 1, 0 }, |
| { 2, -8, 9, 92, 43, -12, 1, 1 }, { 2, -8, 8, 92, 44, -12, 1, 1 }, |
| { 2, -7, 7, 91, 46, -12, 1, 0 }, { 2, -7, 6, 90, 47, -12, 1, 1 }, |
| { 2, -7, 5, 90, 49, -12, 1, 0 }, { 2, -6, 4, 89, 50, -12, 1, 0 }, |
| { 2, -6, 3, 88, 52, -12, 0, 1 }, { 2, -6, 2, 87, 54, -12, 0, 1 }, |
| { 2, -5, 1, 86, 55, -12, 0, 1 }, { 2, -5, 0, 85, 57, -12, 0, 1 }, |
| { 2, -5, -1, 84, 58, -11, 0, 1 }, { 2, -5, -2, 83, 60, -11, 0, 1 }, |
| { 2, -4, -2, 82, 61, -11, -1, 1 }, { 1, -4, -3, 81, 63, -10, -1, 1 }, |
| { 2, -4, -4, 80, 64, -10, -1, 1 }, { 1, -4, -4, 79, 66, -10, -1, 1 }, |
| { 1, -3, -5, 77, 67, -9, -1, 1 }, { 1, -3, -6, 76, 69, -9, -1, 1 }, |
| { 1, -3, -6, 75, 70, -8, -2, 1 }, { 1, -2, -7, 74, 71, -8, -2, 1 }, |
| { 1, -2, -7, 72, 72, -7, -2, 1 }, { 1, -2, -8, 71, 74, -7, -2, 1 }, |
| { 1, -2, -8, 70, 75, -6, -3, 1 }, { 1, -1, -9, 69, 76, -6, -3, 1 }, |
| { 1, -1, -9, 67, 77, -5, -3, 1 }, { 1, -1, -10, 66, 79, -4, -4, 1 }, |
| { 1, -1, -10, 64, 80, -4, -4, 2 }, { 1, -1, -10, 63, 81, -3, -4, 1 }, |
| { 1, -1, -11, 61, 82, -2, -4, 2 }, { 1, 0, -11, 60, 83, -2, -5, 2 }, |
| { 1, 0, -11, 58, 84, -1, -5, 2 }, { 1, 0, -12, 57, 85, 0, -5, 2 }, |
| { 1, 0, -12, 55, 86, 1, -5, 2 }, { 1, 0, -12, 54, 87, 2, -6, 2 }, |
| { 1, 0, -12, 52, 88, 3, -6, 2 }, { 0, 1, -12, 50, 89, 4, -6, 2 }, |
| { 0, 1, -12, 49, 90, 5, -7, 2 }, { 1, 1, -12, 47, 90, 6, -7, 2 }, |
| { 0, 1, -12, 46, 91, 7, -7, 2 }, { 1, 1, -12, 44, 92, 8, -8, 2 }, |
| { 1, 1, -12, 43, 92, 9, -8, 2 }, { 0, 1, -12, 41, 93, 11, -8, 2 }, |
| { 0, 1, -12, 40, 93, 12, -8, 2 }, { 0, 2, -12, 38, 94, 13, -9, 2 }, |
| { 0, 2, -12, 37, 94, 14, -9, 2 }, { 0, 2, -12, 35, 95, 15, -9, 2 }, |
| { 0, 2, -12, 34, 95, 17, -10, 2 }, { 0, 2, -11, 32, 95, 18, -10, 2 }, |
| { 0, 2, -12, 31, 96, 19, -10, 2 }, { 0, 2, -12, 29, 96, 21, -10, 2 }, |
| { 0, 2, -11, 28, 96, 22, -11, 2 }, { 0, 2, -11, 26, 96, 24, -11, 2 }, |
| }; |
| |
| // Filters for interpolation (0.875-band) - note this also filters integer pels. |
| static const interp_kernel filteredinterp_filters875[(1 << SUBPEL_BITS_RS)] = { |
| { 3, -8, 13, 112, 13, -8, 3, 0 }, { 2, -7, 12, 112, 15, -8, 3, -1 }, |
| { 3, -7, 10, 112, 17, -9, 3, -1 }, { 2, -6, 8, 112, 19, -9, 3, -1 }, |
| { 2, -6, 7, 112, 21, -10, 3, -1 }, { 2, -5, 6, 111, 22, -10, 3, -1 }, |
| { 2, -5, 4, 111, 24, -10, 3, -1 }, { 2, -4, 3, 110, 26, -11, 3, -1 }, |
| { 2, -4, 1, 110, 28, -11, 3, -1 }, { 2, -4, 0, 109, 30, -12, 4, -1 }, |
| { 1, -3, -1, 108, 32, -12, 4, -1 }, { 1, -3, -2, 108, 34, -13, 4, -1 }, |
| { 1, -2, -4, 107, 36, -13, 4, -1 }, { 1, -2, -5, 106, 38, -13, 4, -1 }, |
| { 1, -1, -6, 105, 40, -14, 4, -1 }, { 1, -1, -7, 104, 42, -14, 4, -1 }, |
| { 1, -1, -7, 103, 44, -15, 4, -1 }, { 1, 0, -8, 101, 46, -15, 4, -1 }, |
| { 1, 0, -9, 100, 48, -15, 4, -1 }, { 1, 0, -10, 99, 50, -15, 4, -1 }, |
| { 1, 1, -11, 97, 53, -16, 4, -1 }, { 0, 1, -11, 96, 55, -16, 4, -1 }, |
| { 0, 1, -12, 95, 57, -16, 4, -1 }, { 0, 2, -13, 93, 59, -16, 4, -1 }, |
| { 0, 2, -13, 91, 61, -16, 4, -1 }, { 0, 2, -14, 90, 63, -16, 4, -1 }, |
| { 0, 2, -14, 88, 65, -16, 4, -1 }, { 0, 2, -15, 86, 67, -16, 4, 0 }, |
| { 0, 3, -15, 84, 69, -17, 4, 0 }, { 0, 3, -16, 83, 71, -17, 4, 0 }, |
| { 0, 3, -16, 81, 73, -16, 3, 0 }, { 0, 3, -16, 79, 75, -16, 3, 0 }, |
| { 0, 3, -16, 77, 77, -16, 3, 0 }, { 0, 3, -16, 75, 79, -16, 3, 0 }, |
| { 0, 3, -16, 73, 81, -16, 3, 0 }, { 0, 4, -17, 71, 83, -16, 3, 0 }, |
| { 0, 4, -17, 69, 84, -15, 3, 0 }, { 0, 4, -16, 67, 86, -15, 2, 0 }, |
| { -1, 4, -16, 65, 88, -14, 2, 0 }, { -1, 4, -16, 63, 90, -14, 2, 0 }, |
| { -1, 4, -16, 61, 91, -13, 2, 0 }, { -1, 4, -16, 59, 93, -13, 2, 0 }, |
| { -1, 4, -16, 57, 95, -12, 1, 0 }, { -1, 4, -16, 55, 96, -11, 1, 0 }, |
| { -1, 4, -16, 53, 97, -11, 1, 1 }, { -1, 4, -15, 50, 99, -10, 0, 1 }, |
| { -1, 4, -15, 48, 100, -9, 0, 1 }, { -1, 4, -15, 46, 101, -8, 0, 1 }, |
| { -1, 4, -15, 44, 103, -7, -1, 1 }, { -1, 4, -14, 42, 104, -7, -1, 1 }, |
| { -1, 4, -14, 40, 105, -6, -1, 1 }, { -1, 4, -13, 38, 106, -5, -2, 1 }, |
| { -1, 4, -13, 36, 107, -4, -2, 1 }, { -1, 4, -13, 34, 108, -2, -3, 1 }, |
| { -1, 4, -12, 32, 108, -1, -3, 1 }, { -1, 4, -12, 30, 109, 0, -4, 2 }, |
| { -1, 3, -11, 28, 110, 1, -4, 2 }, { -1, 3, -11, 26, 110, 3, -4, 2 }, |
| { -1, 3, -10, 24, 111, 4, -5, 2 }, { -1, 3, -10, 22, 111, 6, -5, 2 }, |
| { -1, 3, -10, 21, 112, 7, -6, 2 }, { -1, 3, -9, 19, 112, 8, -6, 2 }, |
| { -1, 3, -9, 17, 112, 10, -7, 3 }, { -1, 3, -8, 15, 112, 12, -7, 2 }, |
| }; |
| |
| // Filters for interpolation (full-band) - no filtering for integer pixels |
| static const interp_kernel filteredinterp_filters1000[(1 << SUBPEL_BITS_RS)] = { |
| { 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 }, |
| }; |
| |
| #if CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION |
| #define INTERP_SIMPLE_TAPS 4 |
| static const int16_t filter_simple[(1 |
| << SUBPEL_BITS_RS)][INTERP_SIMPLE_TAPS] = { |
| #if INTERP_SIMPLE_TAPS == 2 |
| { 128, 0 }, { 126, 2 }, { 124, 4 }, { 122, 6 }, { 120, 8 }, { 118, 10 }, |
| { 116, 12 }, { 114, 14 }, { 112, 16 }, { 110, 18 }, { 108, 20 }, { 106, 22 }, |
| { 104, 24 }, { 102, 26 }, { 100, 28 }, { 98, 30 }, { 96, 32 }, { 94, 34 }, |
| { 92, 36 }, { 90, 38 }, { 88, 40 }, { 86, 42 }, { 84, 44 }, { 82, 46 }, |
| { 80, 48 }, { 78, 50 }, { 76, 52 }, { 74, 54 }, { 72, 56 }, { 70, 58 }, |
| { 68, 60 }, { 66, 62 }, { 64, 64 }, { 62, 66 }, { 60, 68 }, { 58, 70 }, |
| { 56, 72 }, { 54, 74 }, { 52, 76 }, { 50, 78 }, { 48, 80 }, { 46, 82 }, |
| { 44, 84 }, { 42, 86 }, { 40, 88 }, { 38, 90 }, { 36, 92 }, { 34, 94 }, |
| { 32, 96 }, { 30, 98 }, { 28, 100 }, { 26, 102 }, { 24, 104 }, { 22, 106 }, |
| { 20, 108 }, { 18, 110 }, { 16, 112 }, { 14, 114 }, { 12, 116 }, { 10, 118 }, |
| { 8, 120 }, { 6, 122 }, { 4, 124 }, { 2, 126 }, |
| #elif INTERP_SIMPLE_TAPS == 4 |
| { 0, 128, 0, 0 }, { -1, 128, 2, -1 }, { -2, 127, 4, -1 }, |
| { -3, 126, 7, -2 }, { -4, 125, 9, -2 }, { -5, 125, 11, -3 }, |
| { -6, 124, 13, -3 }, { -7, 123, 16, -4 }, { -7, 122, 18, -5 }, |
| { -8, 121, 20, -5 }, { -9, 120, 23, -6 }, { -9, 118, 25, -6 }, |
| { -10, 117, 28, -7 }, { -11, 116, 30, -7 }, { -11, 114, 33, -8 }, |
| { -12, 113, 35, -8 }, { -12, 111, 38, -9 }, { -13, 109, 41, -9 }, |
| { -13, 108, 43, -10 }, { -13, 106, 45, -10 }, { -13, 104, 48, -11 }, |
| { -14, 102, 51, -11 }, { -14, 100, 53, -11 }, { -14, 98, 56, -12 }, |
| { -14, 96, 58, -12 }, { -14, 94, 61, -13 }, { -15, 92, 64, -13 }, |
| { -15, 90, 66, -13 }, { -15, 87, 69, -13 }, { -14, 85, 71, -14 }, |
| { -14, 83, 73, -14 }, { -14, 80, 76, -14 }, { -14, 78, 78, -14 }, |
| { -14, 76, 80, -14 }, { -14, 73, 83, -14 }, { -14, 71, 85, -14 }, |
| { -13, 69, 87, -15 }, { -13, 66, 90, -15 }, { -13, 64, 92, -15 }, |
| { -13, 61, 94, -14 }, { -12, 58, 96, -14 }, { -12, 56, 98, -14 }, |
| { -11, 53, 100, -14 }, { -11, 51, 102, -14 }, { -11, 48, 104, -13 }, |
| { -10, 45, 106, -13 }, { -10, 43, 108, -13 }, { -9, 41, 109, -13 }, |
| { -9, 38, 111, -12 }, { -8, 35, 113, -12 }, { -8, 33, 114, -11 }, |
| { -7, 30, 116, -11 }, { -7, 28, 117, -10 }, { -6, 25, 118, -9 }, |
| { -6, 23, 120, -9 }, { -5, 20, 121, -8 }, { -5, 18, 122, -7 }, |
| { -4, 16, 123, -7 }, { -3, 13, 124, -6 }, { -3, 11, 125, -5 }, |
| { -2, 9, 125, -4 }, { -2, 7, 126, -3 }, { -1, 4, 127, -2 }, |
| { -1, 2, 128, -1 }, |
| #elif INTERP_SIMPLE_TAPS == 6 |
| { 0, 0, 128, 0, 0, 0 }, { 0, -1, 128, 2, -1, 0 }, |
| { 1, -3, 127, 4, -2, 1 }, { 1, -4, 127, 6, -3, 1 }, |
| { 2, -6, 126, 8, -3, 1 }, { 2, -7, 125, 11, -4, 1 }, |
| { 2, -9, 125, 13, -5, 2 }, { 3, -10, 124, 15, -6, 2 }, |
| { 3, -11, 123, 18, -7, 2 }, { 3, -12, 122, 20, -8, 3 }, |
| { 4, -13, 121, 22, -9, 3 }, { 4, -14, 119, 25, -9, 3 }, |
| { 4, -15, 118, 27, -10, 4 }, { 4, -16, 117, 30, -11, 4 }, |
| { 5, -17, 116, 32, -12, 4 }, { 5, -17, 114, 35, -13, 4 }, |
| { 5, -18, 112, 37, -13, 5 }, { 5, -19, 111, 40, -14, 5 }, |
| { 6, -19, 109, 42, -15, 5 }, { 6, -20, 107, 45, -15, 5 }, |
| { 6, -20, 105, 48, -16, 5 }, { 6, -21, 103, 51, -17, 6 }, |
| { 6, -21, 101, 53, -17, 6 }, { 6, -21, 99, 56, -18, 6 }, |
| { 7, -22, 97, 58, -18, 6 }, { 7, -22, 95, 61, -19, 6 }, |
| { 7, -22, 93, 63, -19, 6 }, { 7, -22, 91, 66, -20, 6 }, |
| { 7, -22, 88, 69, -20, 6 }, { 7, -22, 86, 71, -21, 7 }, |
| { 7, -22, 83, 74, -21, 7 }, { 7, -22, 81, 76, -21, 7 }, |
| { 7, -22, 79, 79, -22, 7 }, { 7, -21, 76, 81, -22, 7 }, |
| { 7, -21, 74, 83, -22, 7 }, { 7, -21, 71, 86, -22, 7 }, |
| { 6, -20, 69, 88, -22, 7 }, { 6, -20, 66, 91, -22, 7 }, |
| { 6, -19, 63, 93, -22, 7 }, { 6, -19, 61, 95, -22, 7 }, |
| { 6, -18, 58, 97, -22, 7 }, { 6, -18, 56, 99, -21, 6 }, |
| { 6, -17, 53, 101, -21, 6 }, { 6, -17, 51, 103, -21, 6 }, |
| { 5, -16, 48, 105, -20, 6 }, { 5, -15, 45, 107, -20, 6 }, |
| { 5, -15, 42, 109, -19, 6 }, { 5, -14, 40, 111, -19, 5 }, |
| { 5, -13, 37, 112, -18, 5 }, { 4, -13, 35, 114, -17, 5 }, |
| { 4, -12, 32, 116, -17, 5 }, { 4, -11, 30, 117, -16, 4 }, |
| { 4, -10, 27, 118, -15, 4 }, { 3, -9, 25, 119, -14, 4 }, |
| { 3, -9, 22, 121, -13, 4 }, { 3, -8, 20, 122, -12, 3 }, |
| { 2, -7, 18, 123, -11, 3 }, { 2, -6, 15, 124, -10, 3 }, |
| { 2, -5, 13, 125, -9, 2 }, { 1, -4, 11, 125, -7, 2 }, |
| { 1, -3, 8, 126, -6, 2 }, { 1, -3, 6, 127, -4, 1 }, |
| { 1, -2, 4, 127, -3, 1 }, { 0, -1, 2, 128, -1, 0 }, |
| #else |
| #error "Invalid value of INTERP_SIMPLE_TAPS" |
| #endif // INTERP_SIMPLE_TAPS == 2 |
| }; |
| #endif // CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION |
| |
| // Filters for factor of 2 downsampling. |
| static const int16_t av1_down2_symeven_half_filter[] = { 56, 12, -3, -1 }; |
| static const int16_t av1_down2_symodd_half_filter[] = { 64, 35, 0, -3 }; |
| |
| static const interp_kernel *choose_interp_filter(int inlength, int outlength) { |
| int outlength16 = outlength * 16; |
| if (outlength16 >= inlength * 16) |
| return filteredinterp_filters1000; |
| else if (outlength16 >= inlength * 13) |
| return filteredinterp_filters875; |
| else if (outlength16 >= inlength * 11) |
| return filteredinterp_filters750; |
| else if (outlength16 >= inlength * 9) |
| return filteredinterp_filters625; |
| else |
| return filteredinterp_filters500; |
| } |
| |
| static void interpolate_core(const uint8_t *const input, int inlength, |
| uint8_t *output, int outlength, |
| const int16_t *interp_filters, int interp_taps) { |
| const int32_t delta = |
| (((uint32_t)inlength << INTERP_PRECISION_BITS) + outlength / 2) / |
| outlength; |
| const int32_t offset = |
| inlength > outlength |
| ? (((int32_t)(inlength - outlength) << (INTERP_PRECISION_BITS - 1)) + |
| outlength / 2) / |
| outlength |
| : -(((int32_t)(outlength - inlength) << (INTERP_PRECISION_BITS - 1)) + |
| outlength / 2) / |
| outlength; |
| uint8_t *optr = output; |
| int x, x1, x2, sum, k, int_pel, sub_pel; |
| int32_t y; |
| |
| x = 0; |
| y = offset + SUBPEL_INTERP_EXTRA_OFF; |
| while ((y >> INTERP_PRECISION_BITS) < (interp_taps / 2 - 1)) { |
| x++; |
| y += delta; |
| } |
| x1 = x; |
| x = outlength - 1; |
| y = delta * x + offset + SUBPEL_INTERP_EXTRA_OFF; |
| while ((y >> INTERP_PRECISION_BITS) + (int32_t)(interp_taps / 2) >= |
| inlength) { |
| x--; |
| y -= delta; |
| } |
| x2 = x; |
| if (x1 > x2) { |
| for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < outlength; |
| ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) { |
| const int pk = int_pel - interp_taps / 2 + 1 + k; |
| sum += filter[k] * input[AOMMAX(AOMMIN(pk, inlength - 1), 0)]; |
| } |
| *optr++ = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| } |
| } else { |
| // Initial part. |
| for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < x1; ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) |
| sum += filter[k] * input[AOMMAX(int_pel - interp_taps / 2 + 1 + k, 0)]; |
| *optr++ = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| } |
| // Middle part. |
| for (; x <= x2; ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) |
| sum += filter[k] * input[int_pel - interp_taps / 2 + 1 + k]; |
| *optr++ = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| } |
| // End part. |
| for (; x < outlength; ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) |
| sum += filter[k] * |
| input[AOMMIN(int_pel - interp_taps / 2 + 1 + k, inlength - 1)]; |
| *optr++ = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)); |
| } |
| } |
| } |
| |
| static void interpolate(const uint8_t *const input, int inlength, |
| uint8_t *output, int outlength) { |
| const interp_kernel *interp_filters = |
| choose_interp_filter(inlength, outlength); |
| |
| interpolate_core(input, inlength, output, outlength, &interp_filters[0][0], |
| INTERP_TAPS); |
| } |
| |
| #if CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION |
| static void interpolate_simple(const uint8_t *const input, int inlength, |
| uint8_t *output, int outlength) { |
| interpolate_core(input, inlength, output, outlength, &filter_simple[0][0], |
| INTERP_SIMPLE_TAPS); |
| } |
| #endif // CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION |
| |
| #ifndef __clang_analyzer__ |
| static void down2_symeven(const uint8_t *const input, int length, |
| uint8_t *output) { |
| // Actual filter len = 2 * filter_len_half. |
| const int16_t *filter = av1_down2_symeven_half_filter; |
| const int filter_len_half = sizeof(av1_down2_symeven_half_filter) / 2; |
| int i, j; |
| uint8_t *optr = output; |
| int l1 = filter_len_half; |
| int l2 = (length - filter_len_half); |
| l1 += (l1 & 1); |
| l2 += (l2 & 1); |
| if (l1 > l2) { |
| // Short input length. |
| for (i = 0; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += |
| (input[AOMMAX(i - j, 0)] + input[AOMMIN(i + 1 + j, length - 1)]) * |
| filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| } else { |
| // Initial part. |
| for (i = 0; i < l1; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += (input[AOMMAX(i - j, 0)] + input[i + 1 + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| // Middle part. |
| for (; i < l2; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += (input[i - j] + input[i + 1 + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| // End part. |
| for (; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += |
| (input[i - j] + input[AOMMIN(i + 1 + j, length - 1)]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| } |
| } |
| #endif |
| |
| static void down2_symodd(const uint8_t *const input, int length, |
| uint8_t *output) { |
| // Actual filter len = 2 * filter_len_half - 1. |
| const int16_t *filter = av1_down2_symodd_half_filter; |
| const int filter_len_half = sizeof(av1_down2_symodd_half_filter) / 2; |
| int i, j; |
| uint8_t *optr = output; |
| int l1 = filter_len_half - 1; |
| int l2 = (length - filter_len_half + 1); |
| l1 += (l1 & 1); |
| l2 += (l2 & 1); |
| if (l1 > l2) { |
| // Short input length. |
| for (i = 0; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[(i - j < 0 ? 0 : i - j)] + |
| input[(i + j >= length ? length - 1 : i + j)]) * |
| filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| } else { |
| // Initial part. |
| for (i = 0; i < l1; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[(i - j < 0 ? 0 : i - j)] + input[i + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| // Middle part. |
| for (; i < l2; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[i - j] + input[i + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| // End part. |
| for (; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[i - j] + input[(i + j >= length ? length - 1 : i + j)]) * |
| filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel(sum); |
| } |
| } |
| } |
| |
| static int get_down2_length(int length, int steps) { |
| int s; |
| for (s = 0; s < steps; ++s) length = (length + 1) >> 1; |
| return length; |
| } |
| |
| static int get_down2_steps(int in_length, int out_length) { |
| int steps = 0; |
| int proj_in_length; |
| while ((proj_in_length = get_down2_length(in_length, 1)) >= out_length) { |
| ++steps; |
| in_length = proj_in_length; |
| } |
| return steps; |
| } |
| |
| static void resize_multistep(const uint8_t *const input, int length, |
| uint8_t *output, int olength, uint8_t *otmp) { |
| if (length == olength) { |
| memcpy(output, input, sizeof(output[0]) * length); |
| return; |
| } |
| const int steps = get_down2_steps(length, olength); |
| |
| if (steps > 0) { |
| uint8_t *out = NULL; |
| int filteredlength = length; |
| |
| assert(otmp != NULL); |
| uint8_t *otmp2 = otmp + get_down2_length(length, 1); |
| for (int s = 0; s < steps; ++s) { |
| const int proj_filteredlength = get_down2_length(filteredlength, 1); |
| const uint8_t *const in = (s == 0 ? input : out); |
| if (s == steps - 1 && proj_filteredlength == olength) |
| out = output; |
| else |
| out = (s & 1 ? otmp2 : otmp); |
| if (filteredlength & 1) |
| down2_symodd(in, filteredlength, out); |
| else |
| down2_symeven(in, filteredlength, out); |
| filteredlength = proj_filteredlength; |
| } |
| if (filteredlength != olength) { |
| interpolate(out, filteredlength, output, olength); |
| } |
| } else { |
| interpolate(input, length, output, olength); |
| } |
| } |
| |
| static void fill_col_to_arr(uint8_t *img, int stride, int len, uint8_t *arr) { |
| int i; |
| uint8_t *iptr = img; |
| uint8_t *aptr = arr; |
| for (i = 0; i < len; ++i, iptr += stride) { |
| *aptr++ = *iptr; |
| } |
| } |
| |
| static void fill_arr_to_col(uint8_t *img, int stride, int len, uint8_t *arr) { |
| int i; |
| uint8_t *iptr = img; |
| uint8_t *aptr = arr; |
| for (i = 0; i < len; ++i, iptr += stride) { |
| *iptr = *aptr++; |
| } |
| } |
| |
| static void resize_plane(const uint8_t *const input, int height, int width, |
| int in_stride, uint8_t *output, int height2, |
| int width2, int out_stride) { |
| int i; |
| uint8_t *intbuf = (uint8_t *)aom_malloc(sizeof(uint8_t) * width2 * height); |
| uint8_t *tmpbuf = |
| (uint8_t *)aom_malloc(sizeof(uint8_t) * AOMMAX(width, height)); |
| uint8_t *arrbuf = (uint8_t *)aom_malloc(sizeof(uint8_t) * height); |
| uint8_t *arrbuf2 = (uint8_t *)aom_malloc(sizeof(uint8_t) * height2); |
| if (intbuf == NULL || tmpbuf == NULL || arrbuf == NULL || arrbuf2 == NULL) |
| goto Error; |
| assert(width > 0); |
| assert(height > 0); |
| assert(width2 > 0); |
| assert(height2 > 0); |
| for (i = 0; i < height; ++i) |
| resize_multistep(input + in_stride * i, width, intbuf + width2 * i, width2, |
| tmpbuf); |
| for (i = 0; i < width2; ++i) { |
| fill_col_to_arr(intbuf + i, width2, height, arrbuf); |
| resize_multistep(arrbuf, height, arrbuf2, height2, tmpbuf); |
| fill_arr_to_col(output + i, out_stride, height2, arrbuf2); |
| } |
| |
| Error: |
| aom_free(intbuf); |
| aom_free(tmpbuf); |
| aom_free(arrbuf); |
| aom_free(arrbuf2); |
| } |
| |
| #if CONFIG_FRAME_SUPERRES |
| static void upscale_normative(const uint8_t *const input, int length, |
| uint8_t *output, int olength) { |
| #if CONFIG_LOOP_RESTORATION |
| interpolate_simple(input, length, output, olength); |
| #else |
| interpolate(input, length, output, olength); |
| #endif // CONFIG_LOOP_RESTORATION |
| } |
| |
| static void upscale_normative_plane(const uint8_t *const input, int height, |
| int width, int in_stride, uint8_t *output, |
| int height2, int width2, int out_stride) { |
| int i; |
| uint8_t *intbuf = (uint8_t *)aom_malloc(sizeof(uint8_t) * width2 * height); |
| uint8_t *arrbuf = (uint8_t *)aom_malloc(sizeof(uint8_t) * height); |
| uint8_t *arrbuf2 = (uint8_t *)aom_malloc(sizeof(uint8_t) * height2); |
| if (intbuf == NULL || arrbuf == NULL || arrbuf2 == NULL) goto Error; |
| assert(width > 0); |
| assert(height > 0); |
| assert(width2 > 0); |
| assert(height2 > 0); |
| for (i = 0; i < height; ++i) |
| upscale_normative(input + in_stride * i, width, intbuf + width2 * i, |
| width2); |
| for (i = 0; i < width2; ++i) { |
| fill_col_to_arr(intbuf + i, width2, height, arrbuf); |
| upscale_normative(arrbuf, height, arrbuf2, height2); |
| fill_arr_to_col(output + i, out_stride, height2, arrbuf2); |
| } |
| |
| Error: |
| aom_free(intbuf); |
| aom_free(arrbuf); |
| aom_free(arrbuf2); |
| } |
| #endif // CONFIG_FRAME_SUPERRES |
| |
| #if CONFIG_HIGHBITDEPTH |
| static void highbd_interpolate_core(const uint16_t *const input, int inlength, |
| uint16_t *output, int outlength, int bd, |
| const int16_t *interp_filters, |
| int interp_taps) { |
| const int32_t delta = |
| (((uint32_t)inlength << INTERP_PRECISION_BITS) + outlength / 2) / |
| outlength; |
| const int32_t offset = |
| inlength > outlength |
| ? (((int32_t)(inlength - outlength) << (INTERP_PRECISION_BITS - 1)) + |
| outlength / 2) / |
| outlength |
| : -(((int32_t)(outlength - inlength) << (INTERP_PRECISION_BITS - 1)) + |
| outlength / 2) / |
| outlength; |
| uint16_t *optr = output; |
| int x, x1, x2, sum, k, int_pel, sub_pel; |
| int32_t y; |
| |
| x = 0; |
| y = offset + SUBPEL_INTERP_EXTRA_OFF; |
| while ((y >> INTERP_PRECISION_BITS) < (interp_taps / 2 - 1)) { |
| x++; |
| y += delta; |
| } |
| x1 = x; |
| x = outlength - 1; |
| y = delta * x + offset + SUBPEL_INTERP_EXTRA_OFF; |
| while ((y >> INTERP_PRECISION_BITS) + (int32_t)(interp_taps / 2) >= |
| inlength) { |
| x--; |
| y -= delta; |
| } |
| x2 = x; |
| if (x1 > x2) { |
| for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < outlength; |
| ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) { |
| const int pk = int_pel - interp_taps / 2 + 1 + k; |
| sum += filter[k] * input[AOMMAX(AOMMIN(pk, inlength - 1), 0)]; |
| } |
| *optr++ = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); |
| } |
| } else { |
| // Initial part. |
| for (x = 0, y = offset + SUBPEL_INTERP_EXTRA_OFF; x < x1; ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) |
| sum += filter[k] * input[AOMMAX(int_pel - interp_taps / 2 + 1 + k, 0)]; |
| *optr++ = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); |
| } |
| // Middle part. |
| for (; x <= x2; ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) |
| sum += filter[k] * input[int_pel - interp_taps / 2 + 1 + k]; |
| *optr++ = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); |
| } |
| // End part. |
| for (; x < outlength; ++x, y += delta) { |
| int_pel = y >> INTERP_PRECISION_BITS; |
| sub_pel = (y >> SUBPEL_INTERP_EXTRA_BITS) & SUBPEL_MASK_RS; |
| const int16_t *filter = &interp_filters[sub_pel * interp_taps]; |
| sum = 0; |
| for (k = 0; k < interp_taps; ++k) |
| sum += filter[k] * |
| input[AOMMIN(int_pel - interp_taps / 2 + 1 + k, inlength - 1)]; |
| *optr++ = clip_pixel_highbd(ROUND_POWER_OF_TWO(sum, FILTER_BITS), bd); |
| } |
| } |
| } |
| |
| static void highbd_interpolate(const uint16_t *const input, int inlength, |
| uint16_t *output, int outlength, int bd) { |
| const interp_kernel *interp_filters = |
| choose_interp_filter(inlength, outlength); |
| |
| highbd_interpolate_core(input, inlength, output, outlength, bd, |
| &interp_filters[0][0], INTERP_TAPS); |
| } |
| |
| #if CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION |
| static void highbd_interpolate_simple(const uint16_t *const input, int inlength, |
| uint16_t *output, int outlength, int bd) { |
| highbd_interpolate_core(input, inlength, output, outlength, bd, |
| &filter_simple[0][0], INTERP_SIMPLE_TAPS); |
| } |
| #endif // CONFIG_FRAME_SUPERRES && CONFIG_LOOP_RESTORATION |
| |
| #ifndef __clang_analyzer__ |
| static void highbd_down2_symeven(const uint16_t *const input, int length, |
| uint16_t *output, int bd) { |
| // Actual filter len = 2 * filter_len_half. |
| static const int16_t *filter = av1_down2_symeven_half_filter; |
| const int filter_len_half = sizeof(av1_down2_symeven_half_filter) / 2; |
| int i, j; |
| uint16_t *optr = output; |
| int l1 = filter_len_half; |
| int l2 = (length - filter_len_half); |
| l1 += (l1 & 1); |
| l2 += (l2 & 1); |
| if (l1 > l2) { |
| // Short input length. |
| for (i = 0; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += |
| (input[AOMMAX(0, i - j)] + input[AOMMIN(i + 1 + j, length - 1)]) * |
| filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| } else { |
| // Initial part. |
| for (i = 0; i < l1; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += (input[AOMMAX(0, i - j)] + input[i + 1 + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| // Middle part. |
| for (; i < l2; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += (input[i - j] + input[i + 1 + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| // End part. |
| for (; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)); |
| for (j = 0; j < filter_len_half; ++j) { |
| sum += |
| (input[i - j] + input[AOMMIN(i + 1 + j, length - 1)]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| } |
| } |
| |
| static void highbd_down2_symodd(const uint16_t *const input, int length, |
| uint16_t *output, int bd) { |
| // Actual filter len = 2 * filter_len_half - 1. |
| static const int16_t *filter = av1_down2_symodd_half_filter; |
| const int filter_len_half = sizeof(av1_down2_symodd_half_filter) / 2; |
| int i, j; |
| uint16_t *optr = output; |
| int l1 = filter_len_half - 1; |
| int l2 = (length - filter_len_half + 1); |
| l1 += (l1 & 1); |
| l2 += (l2 & 1); |
| if (l1 > l2) { |
| // Short input length. |
| for (i = 0; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[AOMMAX(i - j, 0)] + input[AOMMIN(i + j, length - 1)]) * |
| filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| } else { |
| // Initial part. |
| for (i = 0; i < l1; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[AOMMAX(i - j, 0)] + input[i + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| // Middle part. |
| for (; i < l2; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[i - j] + input[i + j]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| // End part. |
| for (; i < length; i += 2) { |
| int sum = (1 << (FILTER_BITS - 1)) + input[i] * filter[0]; |
| for (j = 1; j < filter_len_half; ++j) { |
| sum += (input[i - j] + input[AOMMIN(i + j, length - 1)]) * filter[j]; |
| } |
| sum >>= FILTER_BITS; |
| *optr++ = clip_pixel_highbd(sum, bd); |
| } |
| } |
| } |
| #endif |
| |
| static void highbd_resize_multistep(const uint16_t *const input, int length, |
| uint16_t *output, int olength, |
| uint16_t *otmp, int bd) { |
| if (length == olength) { |
| memcpy(output, input, sizeof(output[0]) * length); |
| return; |
| } |
| const int steps = get_down2_steps(length, olength); |
| |
| if (steps > 0) { |
| uint16_t *out = NULL; |
| int filteredlength = length; |
| |
| assert(otmp != NULL); |
| uint16_t *otmp2 = otmp + get_down2_length(length, 1); |
| for (int s = 0; s < steps; ++s) { |
| const int proj_filteredlength = get_down2_length(filteredlength, 1); |
| const uint16_t *const in = (s == 0 ? input : out); |
| if (s == steps - 1 && proj_filteredlength == olength) |
| out = output; |
| else |
| out = (s & 1 ? otmp2 : otmp); |
| if (filteredlength & 1) |
| highbd_down2_symodd(in, filteredlength, out, bd); |
| else |
| highbd_down2_symeven(in, filteredlength, out, bd); |
| filteredlength = proj_filteredlength; |
| } |
| if (filteredlength != olength) { |
| highbd_interpolate(out, filteredlength, output, olength, bd); |
| } |
| } else { |
| highbd_interpolate(input, length, output, olength, bd); |
| } |
| } |
| |
| static void highbd_fill_col_to_arr(uint16_t *img, int stride, int len, |
| uint16_t *arr) { |
| int i; |
| uint16_t *iptr = img; |
| uint16_t *aptr = arr; |
| for (i = 0; i < len; ++i, iptr += stride) { |
| *aptr++ = *iptr; |
| } |
| } |
| |
| static void highbd_fill_arr_to_col(uint16_t *img, int stride, int len, |
| uint16_t *arr) { |
| int i; |
| uint16_t *iptr = img; |
| uint16_t *aptr = arr; |
| for (i = 0; i < len; ++i, iptr += stride) { |
| *iptr = *aptr++; |
| } |
| } |
| |
| static void highbd_resize_plane(const uint8_t *const input, int height, |
| int width, int in_stride, uint8_t *output, |
| int height2, int width2, int out_stride, |
| int bd) { |
| int i; |
| uint16_t *intbuf = (uint16_t *)aom_malloc(sizeof(uint16_t) * width2 * height); |
| uint16_t *tmpbuf = |
| (uint16_t *)aom_malloc(sizeof(uint16_t) * AOMMAX(width, height)); |
| uint16_t *arrbuf = (uint16_t *)aom_malloc(sizeof(uint16_t) * height); |
| uint16_t *arrbuf2 = (uint16_t *)aom_malloc(sizeof(uint16_t) * height2); |
| if (intbuf == NULL || tmpbuf == NULL || arrbuf == NULL || arrbuf2 == NULL) |
| goto Error; |
| for (i = 0; i < height; ++i) { |
| highbd_resize_multistep(CONVERT_TO_SHORTPTR(input + in_stride * i), width, |
| intbuf + width2 * i, width2, tmpbuf, bd); |
| } |
| for (i = 0; i < width2; ++i) { |
| highbd_fill_col_to_arr(intbuf + i, width2, height, arrbuf); |
| highbd_resize_multistep(arrbuf, height, arrbuf2, height2, tmpbuf, bd); |
| highbd_fill_arr_to_col(CONVERT_TO_SHORTPTR(output + i), out_stride, height2, |
| arrbuf2); |
| } |
| |
| Error: |
| aom_free(intbuf); |
| aom_free(tmpbuf); |
| aom_free(arrbuf); |
| aom_free(arrbuf2); |
| } |
| |
| #if CONFIG_FRAME_SUPERRES |
| static void highbd_upscale_normative(const uint16_t *const input, int length, |
| uint16_t *output, int olength, int bd) { |
| #if CONFIG_LOOP_RESTORATION |
| highbd_interpolate_simple(input, length, output, olength, bd); |
| #else |
| highbd_interpolate(input, length, output, olength, bd); |
| #endif // CONFIG_LOOP_RESTORATION |
| } |
| |
| static void highbd_upscale_normative_plane(const uint8_t *const input, |
| int height, int width, int in_stride, |
| uint8_t *output, int height2, |
| int width2, int out_stride, int bd) { |
| int i; |
| uint16_t *intbuf = (uint16_t *)aom_malloc(sizeof(uint16_t) * width2 * height); |
| uint16_t *arrbuf = (uint16_t *)aom_malloc(sizeof(uint16_t) * height); |
| uint16_t *arrbuf2 = (uint16_t *)aom_malloc(sizeof(uint16_t) * height2); |
| if (intbuf == NULL || arrbuf == NULL || arrbuf2 == NULL) goto Error; |
| for (i = 0; i < height; ++i) { |
| highbd_upscale_normative(CONVERT_TO_SHORTPTR(input + in_stride * i), width, |
| intbuf + width2 * i, width2, bd); |
| } |
| for (i = 0; i < width2; ++i) { |
| highbd_fill_col_to_arr(intbuf + i, width2, height, arrbuf); |
| highbd_upscale_normative(arrbuf, height, arrbuf2, height2, bd); |
| highbd_fill_arr_to_col(CONVERT_TO_SHORTPTR(output + i), out_stride, height2, |
| arrbuf2); |
| } |
| |
| Error: |
| aom_free(intbuf); |
| aom_free(arrbuf); |
| aom_free(arrbuf2); |
| } |
| #endif // CONFIG_FRAME_SUPERRES |
| |
| #endif // CONFIG_HIGHBITDEPTH |
| |
| void av1_resize_frame420(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, uint8_t *oy, |
| int oy_stride, uint8_t *ou, uint8_t *ov, |
| int ouv_stride, int oheight, int owidth) { |
| resize_plane(y, height, width, y_stride, oy, oheight, owidth, oy_stride); |
| resize_plane(u, height / 2, width / 2, uv_stride, ou, oheight / 2, owidth / 2, |
| ouv_stride); |
| resize_plane(v, height / 2, width / 2, uv_stride, ov, oheight / 2, owidth / 2, |
| ouv_stride); |
| } |
| |
| void av1_resize_frame422(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, uint8_t *oy, |
| int oy_stride, uint8_t *ou, uint8_t *ov, |
| int ouv_stride, int oheight, int owidth) { |
| resize_plane(y, height, width, y_stride, oy, oheight, owidth, oy_stride); |
| resize_plane(u, height, width / 2, uv_stride, ou, oheight, owidth / 2, |
| ouv_stride); |
| resize_plane(v, height, width / 2, uv_stride, ov, oheight, owidth / 2, |
| ouv_stride); |
| } |
| |
| void av1_resize_frame444(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, uint8_t *oy, |
| int oy_stride, uint8_t *ou, uint8_t *ov, |
| int ouv_stride, int oheight, int owidth) { |
| resize_plane(y, height, width, y_stride, oy, oheight, owidth, oy_stride); |
| resize_plane(u, height, width, uv_stride, ou, oheight, owidth, ouv_stride); |
| resize_plane(v, height, width, uv_stride, ov, oheight, owidth, ouv_stride); |
| } |
| |
| #if CONFIG_HIGHBITDEPTH |
| void av1_highbd_resize_frame420(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, |
| uint8_t *oy, int oy_stride, uint8_t *ou, |
| uint8_t *ov, int ouv_stride, int oheight, |
| int owidth, int bd) { |
| highbd_resize_plane(y, height, width, y_stride, oy, oheight, owidth, |
| oy_stride, bd); |
| highbd_resize_plane(u, height / 2, width / 2, uv_stride, ou, oheight / 2, |
| owidth / 2, ouv_stride, bd); |
| highbd_resize_plane(v, height / 2, width / 2, uv_stride, ov, oheight / 2, |
| owidth / 2, ouv_stride, bd); |
| } |
| |
| void av1_highbd_resize_frame422(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, |
| uint8_t *oy, int oy_stride, uint8_t *ou, |
| uint8_t *ov, int ouv_stride, int oheight, |
| int owidth, int bd) { |
| highbd_resize_plane(y, height, width, y_stride, oy, oheight, owidth, |
| oy_stride, bd); |
| highbd_resize_plane(u, height, width / 2, uv_stride, ou, oheight, owidth / 2, |
| ouv_stride, bd); |
| highbd_resize_plane(v, height, width / 2, uv_stride, ov, oheight, owidth / 2, |
| ouv_stride, bd); |
| } |
| |
| void av1_highbd_resize_frame444(const uint8_t *const y, int y_stride, |
| const uint8_t *const u, const uint8_t *const v, |
| int uv_stride, int height, int width, |
| uint8_t *oy, int oy_stride, uint8_t *ou, |
| uint8_t *ov, int ouv_stride, int oheight, |
| int owidth, int bd) { |
| highbd_resize_plane(y, height, width, y_stride, oy, oheight, owidth, |
| oy_stride, bd); |
| highbd_resize_plane(u, height, width, uv_stride, ou, oheight, owidth, |
| ouv_stride, bd); |
| highbd_resize_plane(v, height, width, uv_stride, ov, oheight, owidth, |
| ouv_stride, bd); |
| } |
| #endif // CONFIG_HIGHBITDEPTH |
| |
| #if CONFIG_HIGHBITDEPTH |
| void av1_resize_and_extend_frame(const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst, int bd) { |
| #else |
| void av1_resize_and_extend_frame(const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst) { |
| #endif // CONFIG_HIGHBITDEPTH |
| // TODO(dkovalev): replace YV12_BUFFER_CONFIG with aom_image_t |
| int i; |
| const uint8_t *const srcs[3] = { src->y_buffer, src->u_buffer, |
| src->v_buffer }; |
| const int src_strides[3] = { src->y_stride, src->uv_stride, src->uv_stride }; |
| const int src_widths[3] = { src->y_crop_width, src->uv_crop_width, |
| src->uv_crop_width }; |
| const int src_heights[3] = { src->y_crop_height, src->uv_crop_height, |
| src->uv_crop_height }; |
| uint8_t *const dsts[3] = { dst->y_buffer, dst->u_buffer, dst->v_buffer }; |
| const int dst_strides[3] = { dst->y_stride, dst->uv_stride, dst->uv_stride }; |
| const int dst_widths[3] = { dst->y_crop_width, dst->uv_crop_width, |
| dst->uv_crop_width }; |
| const int dst_heights[3] = { dst->y_crop_height, dst->uv_crop_height, |
| dst->uv_crop_height }; |
| |
| for (i = 0; i < MAX_MB_PLANE; ++i) { |
| #if CONFIG_HIGHBITDEPTH |
| if (src->flags & YV12_FLAG_HIGHBITDEPTH) |
| highbd_resize_plane(srcs[i], src_heights[i], src_widths[i], |
| src_strides[i], dsts[i], dst_heights[i], |
| dst_widths[i], dst_strides[i], bd); |
| else |
| #endif // CONFIG_HIGHBITDEPTH |
| resize_plane(srcs[i], src_heights[i], src_widths[i], src_strides[i], |
| dsts[i], dst_heights[i], dst_widths[i], dst_strides[i]); |
| } |
| aom_extend_frame_borders(dst); |
| } |
| |
| #if CONFIG_FRAME_SUPERRES |
| #if CONFIG_HIGHBITDEPTH |
| void av1_upscale_normative_and_extend_frame(const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst, int bd) { |
| #else |
| void av1_upscale_normative_and_extend_frame(const YV12_BUFFER_CONFIG *src, |
| YV12_BUFFER_CONFIG *dst) { |
| #endif // CONFIG_HIGHBITDEPTH |
| // TODO(dkovalev): replace YV12_BUFFER_CONFIG with aom_image_t |
| int i; |
| const uint8_t *const srcs[3] = { src->y_buffer, src->u_buffer, |
| src->v_buffer }; |
| const int src_strides[3] = { src->y_stride, src->uv_stride, src->uv_stride }; |
| const int src_widths[3] = { src->y_crop_width, src->uv_crop_width, |
| src->uv_crop_width }; |
| const int src_heights[3] = { src->y_crop_height, src->uv_crop_height, |
| src->uv_crop_height }; |
| uint8_t *const dsts[3] = { dst->y_buffer, dst->u_buffer, dst->v_buffer }; |
| const int dst_strides[3] = { dst->y_stride, dst->uv_stride, dst->uv_stride }; |
| const int dst_widths[3] = { dst->y_crop_width, dst->uv_crop_width, |
| dst->uv_crop_width }; |
| const int dst_heights[3] = { dst->y_crop_height, dst->uv_crop_height, |
| dst->uv_crop_height }; |
| |
| for (i = 0; i < MAX_MB_PLANE; ++i) { |
| #if CONFIG_HIGHBITDEPTH |
| if (src->flags & YV12_FLAG_HIGHBITDEPTH) |
| highbd_upscale_normative_plane(srcs[i], src_heights[i], src_widths[i], |
| src_strides[i], dsts[i], dst_heights[i], |
| dst_widths[i], dst_strides[i], bd); |
| else |
| #endif // CONFIG_HIGHBITDEPTH |
| upscale_normative_plane(srcs[i], src_heights[i], src_widths[i], |
| src_strides[i], dsts[i], dst_heights[i], |
| dst_widths[i], dst_strides[i]); |
| } |
| aom_extend_frame_borders(dst); |
| } |
| #endif // CONFIG_FRAME_SUPERRES |
| |
| YV12_BUFFER_CONFIG *av1_scale_if_required(AV1_COMMON *cm, |
| YV12_BUFFER_CONFIG *unscaled, |
| YV12_BUFFER_CONFIG *scaled) { |
| if (cm->width != unscaled->y_crop_width || |
| cm->height != unscaled->y_crop_height) { |
| #if CONFIG_HIGHBITDEPTH |
| av1_resize_and_extend_frame(unscaled, scaled, (int)cm->bit_depth); |
| #else |
| av1_resize_and_extend_frame(unscaled, scaled); |
| #endif // CONFIG_HIGHBITDEPTH |
| return scaled; |
| } else { |
| return unscaled; |
| } |
| } |
| |
| void av1_calculate_scaled_size(int *width, int *height, int num) { |
| if (num != SCALE_DENOMINATOR) { |
| *width = *width * num / SCALE_DENOMINATOR; |
| *height = *height * num / SCALE_DENOMINATOR; |
| // Make width and height even |
| *width += *width & 1; |
| *height += *height & 1; |
| } |
| } |
| |
| #if CONFIG_FRAME_SUPERRES |
| // TODO(afergs): Look for in-place upscaling |
| // TODO(afergs): aom_ vs av1_ functions? Which can I use? |
| // Upscale decoded image. |
| void av1_superres_upscale(AV1_COMMON *cm, BufferPool *const pool) { |
| if (av1_superres_unscaled(cm)) return; |
| |
| YV12_BUFFER_CONFIG copy_buffer; |
| memset(©_buffer, 0, sizeof(copy_buffer)); |
| |
| YV12_BUFFER_CONFIG *const frame_to_show = get_frame_new_buffer(cm); |
| |
| if (aom_alloc_frame_buffer(©_buffer, cm->width, cm->height, |
| cm->subsampling_x, cm->subsampling_y, |
| #if CONFIG_HIGHBITDEPTH |
| cm->use_highbitdepth, |
| #endif // CONFIG_HIGHBITDEPTH |
| AOM_BORDER_IN_PIXELS, cm->byte_alignment)) |
| aom_internal_error(&cm->error, AOM_CODEC_MEM_ERROR, |
| "Failed to allocate copy buffer for superres upscaling"); |
| |
| // Copy function assumes the frames are the same size, doesn't copy bit_depth. |
| aom_yv12_copy_frame(frame_to_show, ©_buffer); |
| copy_buffer.bit_depth = frame_to_show->bit_depth; |
| assert(copy_buffer.y_crop_width == cm->width); |
| assert(copy_buffer.y_crop_height == cm->height); |
| |
| // Realloc the current frame buffer at a higher resolution in place. |
| if (pool != NULL) { |
| // Use callbacks if on the decoder. |
| aom_codec_frame_buffer_t *fb = |
| &pool->frame_bufs[cm->new_fb_idx].raw_frame_buffer; |
| aom_release_frame_buffer_cb_fn_t release_fb_cb = pool->release_fb_cb; |
| aom_get_frame_buffer_cb_fn_t cb = pool->get_fb_cb; |
| void *cb_priv = pool->cb_priv; |
| |
| // Realloc with callback does not release the frame buffer - release first. |
| if (release_fb_cb(cb_priv, fb)) |
| aom_internal_error( |
| &cm->error, AOM_CODEC_MEM_ERROR, |
| "Failed to free current frame buffer before superres upscaling"); |
| |
| if (aom_realloc_frame_buffer( |
| frame_to_show, cm->superres_upscaled_width, |
| cm->superres_upscaled_height, cm->subsampling_x, cm->subsampling_y, |
| #if CONFIG_HIGHBITDEPTH |
| cm->use_highbitdepth, |
| #endif // CONFIG_HIGHBITDEPTH |
| AOM_BORDER_IN_PIXELS, cm->byte_alignment, fb, cb, cb_priv)) |
| aom_internal_error( |
| &cm->error, AOM_CODEC_MEM_ERROR, |
| "Failed to allocate current frame buffer for superres upscaling"); |
| } else { |
| // Don't use callbacks on the encoder. |
| if (aom_alloc_frame_buffer(frame_to_show, cm->superres_upscaled_width, |
| cm->superres_upscaled_height, cm->subsampling_x, |
| cm->subsampling_y, |
| #if CONFIG_HIGHBITDEPTH |
| cm->use_highbitdepth, |
| #endif // CONFIG_HIGHBITDEPTH |
| AOM_BORDER_IN_PIXELS, cm->byte_alignment)) |
| aom_internal_error( |
| &cm->error, AOM_CODEC_MEM_ERROR, |
| "Failed to reallocate current frame buffer for superres upscaling"); |
| } |
| // TODO(afergs): verify frame_to_show is correct after realloc |
| // encoder: |
| // decoder: |
| frame_to_show->bit_depth = copy_buffer.bit_depth; |
| assert(frame_to_show->y_crop_width == cm->superres_upscaled_width); |
| assert(frame_to_show->y_crop_height == cm->superres_upscaled_height); |
| |
| // Scale up and back into frame_to_show. |
| assert(frame_to_show->y_crop_width != cm->width); |
| assert(frame_to_show->y_crop_height != cm->height); |
| #if CONFIG_HIGHBITDEPTH |
| av1_upscale_normative_and_extend_frame(©_buffer, frame_to_show, |
| (int)cm->bit_depth); |
| #else |
| av1_upscale_normative_and_extend_frame(©_buffer, frame_to_show); |
| #endif // CONFIG_HIGHBITDEPTH |
| |
| // Free the copy buffer |
| aom_free_frame_buffer(©_buffer); |
| } |
| #endif // CONFIG_FRAME_SUPERRES |
