FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/takdsp.c
Date: 2026-04-24 05:04:01
Exec Total Coverage
Lines: 73 77 94.8%
Functions: 5 5 100.0%
Branches: 33 66 50.0%
Line Branch Exec Source
1 /*
2 * Copyright (c) 2023 Institute of Software Chinese Academy of Sciences (ISCAS).
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21 #include <string.h>
22
23 #include "libavutil/mem.h"
24 #include "libavutil/mem_internal.h"
25
26 #include "libavcodec/takdsp.h"
27 #include "libavcodec/mathops.h"
28
29 #include "checkasm.h"
30
31 #define randomize(buf, len) \
32 do { \
33 for (int i = 0; i < len; i++) \
34 buf[i] = rnd(); \
35 } while (0)
36
37 #define BUF_SIZE 1024
38
39 14 static void test_decorrelate_ls(TAKDSPContext *s) {
40 14 declare_func(void, const int32_t *, int32_t *, int);
41
42
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 14 if (check_func(s->decorrelate_ls, "decorrelate_ls")) {
43 3 LOCAL_ALIGNED_32(int32_t, p1, [BUF_SIZE]);
44 3 LOCAL_ALIGNED_32(int32_t, p2, [BUF_SIZE]);
45 3 LOCAL_ALIGNED_32(int32_t, p2_2, [BUF_SIZE]);
46
47
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 3075 randomize(p1, BUF_SIZE);
48
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 3075 randomize(p2, BUF_SIZE);
49 3 memcpy(p2_2, p2, BUF_SIZE * sizeof(*p2));
50
51 3 call_ref(p1, p2, BUF_SIZE);
52 3 call_new(p1, p2_2, BUF_SIZE);
53
54
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 3 if (memcmp(p2, p2_2, BUF_SIZE * sizeof(*p2)) != 0) {
55 ✗ fail();
56 }
57
58
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 3 bench_new(p1, p2, BUF_SIZE);
59 }
60
61 14 report("decorrelate_ls");
62 14 }
63
64 14 static void test_decorrelate_sr(TAKDSPContext *s) {
65 14 declare_func(void, int32_t *, const int32_t *, int);
66
67
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 14 if (check_func(s->decorrelate_sr, "decorrelate_sr")) {
68 3 LOCAL_ALIGNED_32(int32_t, p1, [BUF_SIZE]);
69 3 LOCAL_ALIGNED_32(int32_t, p1_2, [BUF_SIZE]);
70 3 LOCAL_ALIGNED_32(int32_t, p2, [BUF_SIZE]);
71
72
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 3075 randomize(p1, BUF_SIZE);
73 3 memcpy(p1_2, p1, BUF_SIZE * sizeof(*p1));
74
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 3075 randomize(p2, BUF_SIZE);
75
76 3 call_ref(p1, p2, BUF_SIZE);
77 3 call_new(p1_2, p2, BUF_SIZE);
78
79
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 3 if (memcmp(p1, p1_2, BUF_SIZE * sizeof(*p1)) != 0) {
80 ✗ fail();
81 }
82
83
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 3 bench_new(p1, p2, BUF_SIZE);
84 }
85
86 14 report("decorrelate_sr");
87 14 }
88
89 14 static void test_decorrelate_sm(TAKDSPContext *s) {
90 14 declare_func(void, int32_t *, int32_t *, int);
91
92
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 14 if (check_func(s->decorrelate_sm, "decorrelate_sm")) {
93 3 LOCAL_ALIGNED_32(int32_t, p1, [BUF_SIZE]);
94 3 LOCAL_ALIGNED_32(int32_t, p1_2, [BUF_SIZE]);
95 3 LOCAL_ALIGNED_32(int32_t, p2, [BUF_SIZE]);
96 3 LOCAL_ALIGNED_32(int32_t, p2_2, [BUF_SIZE]);
97
98
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 3075 randomize(p1, BUF_SIZE);
99 3 memcpy(p1_2, p1, BUF_SIZE * sizeof(*p1));
100
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 3075 randomize(p2, BUF_SIZE);
101 3 memcpy(p2_2, p2, BUF_SIZE * sizeof(*p2));
102
103 3 call_ref(p1, p2, BUF_SIZE);
104 3 call_new(p1_2, p2_2, BUF_SIZE);
105
106
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 3 if (memcmp(p1, p1_2, BUF_SIZE * sizeof(*p1)) != 0 ||
107
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 3 memcmp(p2, p2_2, BUF_SIZE * sizeof(*p2)) != 0) {
108 ✗ fail();
109 }
110
111
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 3 bench_new(p1, p2, BUF_SIZE);
112 }
113
114 14 report("decorrelate_sm");
115 14 }
116
117 14 static void test_decorrelate_sf(TAKDSPContext *s) {
118 14 declare_func(void, int32_t *, const int32_t *, int, int, int);
119
120
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 14 if (check_func(s->decorrelate_sf, "decorrelate_sf")) {
121 3 LOCAL_ALIGNED_32(int32_t, p1, [BUF_SIZE]);
122 3 LOCAL_ALIGNED_32(int32_t, p1_2, [BUF_SIZE]);
123 3 LOCAL_ALIGNED_32(int32_t, p2, [BUF_SIZE]);
124 int dshift, dfactor;
125
126
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 3075 randomize(p1, BUF_SIZE);
127 3 memcpy(p1_2, p1, BUF_SIZE * sizeof(*p1));
128
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 3075 randomize(p2, BUF_SIZE);
129 3 dshift = (rnd() & 0xF) + 1;
130 3 dfactor = sign_extend(rnd(), 10);
131
132 3 call_ref(p1, p2, BUF_SIZE, dshift, dfactor);
133 3 call_new(p1_2, p2, BUF_SIZE, dshift, dfactor);
134
135
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 3 if (memcmp(p1, p1_2, BUF_SIZE * sizeof(*p1)) != 0) {
136 ✗ fail();
137 }
138
139
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 3 bench_new(p1, p2, BUF_SIZE, dshift, dfactor);
140 }
141
142 14 report("decorrelate_sf");
143 14 }
144
145 14 void checkasm_check_takdsp(void)
146 {
147 14 TAKDSPContext s = { 0 };
148 14 ff_takdsp_init(&s);
149
150 14 test_decorrelate_ls(&s);
151 14 test_decorrelate_sr(&s);
152 14 test_decorrelate_sm(&s);
153 14 test_decorrelate_sf(&s);
154 14 }
155