FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/h26x/h2656_deblock_template.c
Date: 2026-06-16 12:54:33
Exec Total Coverage
Lines: 57 57 100.0%
Functions: 9 12 75.0%
Branches: 28 28 100.0%

Line Branch Exec Source
1
2 /*
3 * HEVC/VVC deblocking dsp template
4 *
5 * Copyright (C) 2024 Nuo Mi
6 * Copyright (C) 2012 - 2013 Guillaume Martres
7 *
8 * This file is part of FFmpeg.
9 *
10 * FFmpeg is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * FFmpeg is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public
21 * License along with FFmpeg; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 */
24
25 28563804 static void FUNC(loop_filter_luma_strong)(pixel *pix, const ptrdiff_t xstride, const ptrdiff_t ystride,
26 const int32_t tc, const int32_t tc2, const int tc3,
27 const uint8_t no_p, const uint8_t no_q)
28 {
29
2/2
✓ Branch 0 taken 57127608 times.
✓ Branch 1 taken 14281902 times.
142819020 for (int d = 0; d < 4; d++) {
30 114255216 const int p3 = P3;
31 114255216 const int p2 = P2;
32 114255216 const int p1 = P1;
33 114255216 const int p0 = P0;
34 114255216 const int q0 = Q0;
35 114255216 const int q1 = Q1;
36 114255216 const int q2 = Q2;
37 114255216 const int q3 = Q3;
38
2/2
✓ Branch 0 taken 57103076 times.
✓ Branch 1 taken 24532 times.
114255216 if (!no_p) {
39 114206152 P0 = p0 + av_clip(((p2 + 2 * p1 + 2 * p0 + 2 * q0 + q1 + 4) >> 3) - p0, -tc3, tc3);
40 114206152 P1 = p1 + av_clip(((p2 + p1 + p0 + q0 + 2) >> 2) - p1, -tc2, tc2);
41 114206152 P2 = p2 + av_clip(((2 * p3 + 3 * p2 + p1 + p0 + q0 + 4) >> 3) - p2, -tc, tc);
42 }
43
2/2
✓ Branch 0 taken 57104336 times.
✓ Branch 1 taken 23272 times.
114255216 if (!no_q) {
44 114208672 Q0 = q0 + av_clip(((p1 + 2 * p0 + 2 * q0 + 2 * q1 + q2 + 4) >> 3) - q0, -tc3, tc3);
45 114208672 Q1 = q1 + av_clip(((p0 + q0 + q1 + q2 + 2) >> 2) - q1, -tc2, tc2);
46 114208672 Q2 = q2 + av_clip(((2 * q3 + 3 * q2 + q1 + q0 + p0 + 4) >> 3) - q2, -tc, tc);
47 }
48 114255216 pix += ystride;
49 }
50 28563804 }
51
52 110625004 static void FUNC(loop_filter_luma_weak)(pixel *pix, const ptrdiff_t xstride, const ptrdiff_t ystride,
53 const int32_t tc, const int32_t beta, const uint8_t no_p, const uint8_t no_q, const int nd_p, const int nd_q)
54 {
55 110625004 const int tc_2 = tc >> 1;
56
2/2
✓ Branch 0 taken 221250008 times.
✓ Branch 1 taken 55312502 times.
553125020 for (int d = 0; d < 4; d++) {
57 442500016 const int p2 = P2;
58 442500016 const int p1 = P1;
59 442500016 const int p0 = P0;
60 442500016 const int q0 = Q0;
61 442500016 const int q1 = Q1;
62 442500016 const int q2 = Q2;
63 442500016 int delta0 = (9 * (q0 - p0) - 3 * (q1 - p1) + 8) >> 4;
64
2/2
✓ Branch 0 taken 219315200 times.
✓ Branch 1 taken 1934808 times.
442500016 if (abs(delta0) < 10 * tc) {
65 438630400 delta0 = av_clip(delta0, -tc, tc);
66
2/2
✓ Branch 0 taken 218873338 times.
✓ Branch 1 taken 441862 times.
438630400 if (!no_p)
67 437746676 P0 = av_clip_pixel(p0 + delta0);
68
2/2
✓ Branch 0 taken 218874070 times.
✓ Branch 1 taken 441130 times.
438630400 if (!no_q)
69 437748140 Q0 = av_clip_pixel(q0 - delta0);
70
4/4
✓ Branch 0 taken 218873338 times.
✓ Branch 1 taken 441862 times.
✓ Branch 2 taken 150597891 times.
✓ Branch 3 taken 68275447 times.
438630400 if (!no_p && nd_p > 1) {
71 301195782 const int deltap1 = av_clip((((p2 + p0 + 1) >> 1) - p1 + delta0) >> 1, -tc_2, tc_2);
72 301195782 P1 = av_clip_pixel(p1 + deltap1);
73 }
74
4/4
✓ Branch 0 taken 218874070 times.
✓ Branch 1 taken 441130 times.
✓ Branch 2 taken 146766830 times.
✓ Branch 3 taken 72107240 times.
438630400 if (!no_q && nd_q > 1) {
75 293533660 const int deltaq1 = av_clip((((q2 + q0 + 1) >> 1) - q1 - delta0) >> 1, -tc_2, tc_2);
76 293533660 Q1 = av_clip_pixel(q1 + deltaq1);
77 }
78 }
79 442500016 pix += ystride;
80 }
81 110625004 }
82
83 52095732 static void FUNC(loop_filter_chroma_weak)(pixel *pix, const ptrdiff_t xstride, const ptrdiff_t ystride,
84 const int size, const int32_t tc, const uint8_t no_p, const uint8_t no_q)
85 {
86
2/2
✓ Branch 0 taken 100197622 times.
✓ Branch 1 taken 26047866 times.
252490976 for (int d = 0; d < size; d++) {
87 int delta0;
88 200395244 const int p1 = P1;
89 200395244 const int p0 = P0;
90 200395244 const int q0 = Q0;
91 200395244 const int q1 = Q1;
92 200395244 delta0 = av_clip((((q0 - p0) * 4) + p1 - q1 + 4) >> 3, -tc, tc);
93
2/2
✓ Branch 0 taken 99844910 times.
✓ Branch 1 taken 352712 times.
200395244 if (!no_p)
94 199689820 P0 = av_clip_pixel(p0 + delta0);
95
2/2
✓ Branch 0 taken 99833758 times.
✓ Branch 1 taken 363864 times.
200395244 if (!no_q)
96 199667516 Q0 = av_clip_pixel(q0 - delta0);
97 200395244 pix += ystride;
98 }
99 52095732 }
100