FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/vvc/dsp_template.c
Date: 2025-08-19 23:55:23
Exec Total Coverage
Lines: 49 49 100.0%
Functions: 9 15 60.0%
Branches: 18 18 100.0%
Line Branch Exec Source
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 2166140 static void FUNC(add_residual)(uint8_t *_dst, const int *res,
33 const int w, const int h, const ptrdiff_t _stride)
34 {
35 2166140 pixel *dst = (pixel *)_dst;
36
37 2166140 const int stride = _stride / sizeof(pixel);
38
39
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 24388744 for (int y = 0; y < h; y++) {
40
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 396474836 for (int x = 0; x < w; x++) {
41 374252232 dst[x] = av_clip_pixel(dst[x] + *res);
42 374252232 res++;
43 }
44 22222604 dst += stride;
45 }
46 2166140 }
47
48 108450 static void FUNC(pred_residual_joint)(int *dst, const int *src, const int w, const int h,
49 const int c_sign, const int shift)
50 {
51 108450 const int size = w * h;
52
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 13703266 for (int i = 0; i < size; i++)
53 13594816 dst[i] = (src[i] * c_sign) >> shift;
54 108450 }
55
56 4410 static void FUNC(transform_bdpcm)(int *coeffs, const int width, const int height,
57 const int vertical, const int log2_transform_range)
58 {
59 int x, y;
60
61
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 4410 if (vertical) {
62 2836 coeffs += width;
63
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 28064 for (y = 0; y < height - 1; y++) {
64
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 266580 for (x = 0; x < width; x++)
65 241352 coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - width], log2_transform_range);
66 25228 coeffs += width;
67 }
68 } else {
69
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70
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 110784 for (x = 1; x < width; x++)
71 98280 coeffs[x] = av_clip_intp2(coeffs[x] + coeffs[x - 1], log2_transform_range);
72 12504 coeffs += width;
73 }
74 }
75 4410 }
76
77 // 8.7.4.6 Residual modification process for blocks using colour space conversion
78 30308 static void FUNC(adaptive_color_transform)(int *y, int *u, int *v, const int width, const int height)
79 {
80 30308 const int size = width * height;
81 30308 const int bits = BIT_DEPTH + 1;
82
83
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 6159972 for (int i = 0; i < size; i++) {
84 6129664 const int y0 = av_clip_intp2(y[i], bits);
85 6129664 const int cg = av_clip_intp2(u[i], bits);
86 6129664 const int co = av_clip_intp2(v[i], bits);
87 6129664 const int t = y0 - (cg >> 1);
88
89 6129664 y[i] = cg + t;
90 6129664 u[i] = t - (co >> 1);
91 6129664 v[i] = co + u[i];
92 }
93 30308 }
94
95 2860 static void FUNC(ff_vvc_itx_dsp_init)(VVCItxDSPContext *const itx)
96 {
97 #define VVC_ITX(TYPE, type, s) \
98 itx->itx[VVC_##TYPE][VVC_##TX_SIZE_##s] = ff_vvc_inv_##type##_##s; \
99
100 #define VVC_ITX_COMMON(TYPE, type) \
101 VVC_ITX(TYPE, type, 4); \
102 VVC_ITX(TYPE, type, 8); \
103 VVC_ITX(TYPE, type, 16); \
104 VVC_ITX(TYPE, type, 32);
105
106 2860 itx->add_residual = FUNC(add_residual);
107 2860 itx->pred_residual_joint = FUNC(pred_residual_joint);
108 2860 itx->transform_bdpcm = FUNC(transform_bdpcm);
109 2860 VVC_ITX(DCT2, dct2, 2)
110 2860 VVC_ITX(DCT2, dct2, 64)
111 2860 VVC_ITX_COMMON(DCT2, dct2)
112 2860 VVC_ITX_COMMON(DCT8, dct8)
113 2860 VVC_ITX_COMMON(DST7, dst7)
114
115 2860 itx->adaptive_color_transform = FUNC(adaptive_color_transform);
116
117 #undef VVC_ITX
118 #undef VVC_ITX_COMMON
119 2860 }
120