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1 | /* | ||
2 | * VVC transform and residual DSP | ||
3 | * | ||
4 | * Copyright (C) 2021 Nuo Mi | ||
5 | * | ||
6 | * This file is part of FFmpeg. | ||
7 | * | ||
8 | * FFmpeg is free software; you can redistribute it and/or | ||
9 | * modify it under the terms of the GNU Lesser General Public | ||
10 | * License as published by the Free Software Foundation; either | ||
11 | * version 2.1 of the License, or (at your option) any later version. | ||
12 | * | ||
13 | * FFmpeg is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
16 | * Lesser General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU Lesser General Public | ||
19 | * License along with FFmpeg; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
21 | */ | ||
22 | #include "libavutil/frame.h" | ||
23 | #include "libavcodec/bit_depth_template.c" | ||
24 | |||
25 | #include "dec.h" | ||
26 | #include "data.h" | ||
27 | |||
28 | #include "inter_template.c" | ||
29 | #include "intra_template.c" | ||
30 | #include "filter_template.c" | ||
31 | |||
32 | 1368152 | static void FUNC(add_residual)(uint8_t *_dst, const int *res, | |
33 | const int w, const int h, const ptrdiff_t _stride) | ||
34 | { | ||
35 | 1368152 | pixel *dst = (pixel *)_dst; | |
36 | |||
37 | 1368152 | const int stride = _stride / sizeof(pixel); | |
38 | |||
39 |
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40 |
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41 | 266569376 | dst[x] = av_clip_pixel(dst[x] + *res); | |
42 | 266569376 | res++; | |
43 | } | ||
44 | 14974458 | dst += stride; | |
45 | } | ||
46 | 1368152 | } | |
47 | |||
48 | 29424 | static void FUNC(add_residual_joint)(uint8_t *_dst, const int *res, | |
49 | const int w, const int h, const ptrdiff_t _stride, const int c_sign, const int shift) | ||
50 | { | ||
51 | 29424 | pixel *dst = (pixel *)_dst; | |
52 | |||
53 | 29424 | const int stride = _stride / sizeof(pixel); | |
54 | |||
55 |
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56 |
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57 | 4927104 | const int r = ((*res) * c_sign) >> shift; | |
58 | 4927104 | dst[x] = av_clip_pixel(dst[x] + r); | |
59 | 4927104 | res++; | |
60 | } | ||
61 | 296552 | dst += stride; | |
62 | } | ||
63 | 29424 | } | |
64 | |||
65 | 22292 | static void FUNC(pred_residual_joint)(int *buf, const int w, const int h, | |
66 | const int c_sign, const int shift) | ||
67 | { | ||
68 |
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69 |
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70 | 2050656 | *buf = ((*buf) * c_sign) >> shift; | |
71 | 2050656 | buf++; | |
72 | } | ||
73 | } | ||
74 | 22292 | } | |
75 | |||
76 | 18 | static void FUNC(transform_bdpcm)(int *coeffs, const int width, const int height, | |
77 | const int vertical, const int log2_transform_range) | ||
78 | { | ||
79 | int x, y; | ||
80 | |||
81 |
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18 | if (vertical) { |
82 | 6 | coeffs += width; | |
83 |
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40 | for (y = 0; y < height - 1; y++) { |
84 |
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242 | for (x = 0; x < width; x++) |
85 | 208 | coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - width], log2_transform_range); | |
86 | 34 | coeffs += width; | |
87 | } | ||
88 | } else { | ||
89 |
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84 | for (y = 0; y < height; y++) { |
90 |
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352 | for (x = 1; x < width; x++) |
91 | 280 | coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - 1], log2_transform_range); | |
92 | 72 | coeffs += width; | |
93 | } | ||
94 | } | ||
95 | 18 | } | |
96 | |||
97 | 2134 | static void FUNC(ff_vvc_itx_dsp_init)(VVCItxDSPContext *const itx) | |
98 | { | ||
99 | #define VVC_ITX(TYPE, type, s) \ | ||
100 | itx->itx[TYPE][TX_SIZE_##s] = ff_vvc_inv_##type##_##s; \ | ||
101 | |||
102 | #define VVC_ITX_COMMON(TYPE, type) \ | ||
103 | VVC_ITX(TYPE, type, 4); \ | ||
104 | VVC_ITX(TYPE, type, 8); \ | ||
105 | VVC_ITX(TYPE, type, 16); \ | ||
106 | VVC_ITX(TYPE, type, 32); | ||
107 | |||
108 | 2134 | itx->add_residual = FUNC(add_residual); | |
109 | 2134 | itx->add_residual_joint = FUNC(add_residual_joint); | |
110 | 2134 | itx->pred_residual_joint = FUNC(pred_residual_joint); | |
111 | 2134 | itx->transform_bdpcm = FUNC(transform_bdpcm); | |
112 | 2134 | VVC_ITX(DCT2, dct2, 2) | |
113 | 2134 | VVC_ITX(DCT2, dct2, 64) | |
114 | 2134 | VVC_ITX_COMMON(DCT2, dct2) | |
115 | 2134 | VVC_ITX_COMMON(DCT8, dct8) | |
116 | 2134 | VVC_ITX_COMMON(DST7, dst7) | |
117 | |||
118 | #undef VVC_ITX | ||
119 | #undef VVC_ITX_COMMON | ||
120 | 2134 | } | |
121 |