FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/af_afir.c
Date: 2026-08-28 22:32:55
Exec Total Coverage
Lines: 72 80 90.0%
Functions: 3 3 100.0%
Branches: 14 52 26.9%
Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17 */
18
19 #include "config.h"
20
21 #include <float.h>
22 #include <stdint.h>
23 #include <stdio.h>
24 #include <string.h>
25
26 #include "libavfilter/af_afirdsp.h"
27 #include "libavutil/internal.h"
28 #include "libavutil/mem_internal.h"
29 #include "checkasm.h"
30
31 #define LEN 256
32
33 14 static void test_fcmul_add(AudioFIRDSPContext *fir)
34 {
35 #define BUF_SIZE LEN*2+8
36 14 LOCAL_ALIGNED_32(float, src0, [BUF_SIZE]);
37 14 LOCAL_ALIGNED_32(float, src1, [BUF_SIZE]);
38 14 LOCAL_ALIGNED_32(float, src2, [BUF_SIZE]);
39
40 14 randomize_stddev(src0, BUF_SIZE, 10.0);
41 14 randomize_stddev(src1, BUF_SIZE, 10.0);
42 14 randomize_stddev(src2, BUF_SIZE, 10.0);
43
44
2/2
✓ Branch 1 taken 4 times.
✓ Branch 2 taken 10 times.
 14 if (check_func(fir->fcmul_add, "fcmul_add")) {
45 4 LOCAL_ALIGNED_32(float, cdst, [BUF_SIZE]);
46 4 LOCAL_ALIGNED_32(float, odst, [BUF_SIZE]);
47 int i;
48
49 4 declare_func(void, float *sum, const float *t, const float *c,
50 ptrdiff_t len);
51
52 4 memcpy(cdst, src0, (BUF_SIZE) * sizeof(float));
53 4 memcpy(odst, src0, (BUF_SIZE) * sizeof(float));
54
1/2
✗ Branch 2 not taken.
✓ Branch 3 taken 4 times.
 4 call_ref(cdst, src1, src2, LEN);
55 4 call_new(odst, src1, src2, LEN);
56
2/2
✓ Branch 0 taken 2052 times.
✓ Branch 1 taken 4 times.
 2056 for (i = 0; i <= LEN*2; i++) {
57 2052 int idx = i & ~1;
58 2052 float cre = src2[idx];
59 2052 float cim = src2[idx + 1];
60 2052 float tre = src1[idx];
61 2052 float tim = src1[idx + 1];
62 2052 double t = fabs(src0[i]) +
63 2052 fabs(tre) + fabs(tim) + fabs(cre) + fabs(cim) +
64 2052 fabs(tre * cre) + fabs(tim * cim) +
65 2052 fabs(tre * cim) + fabs(tim * cre) +
66 2052 fabs(tre * cre - tim * cim) +
67 2052 fabs(tre * cim + tim * cre) +
68 2052 fabs(cdst[i]) + 1.0;
69
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 2052 times.
 2052 if (!float_near_abs_eps(cdst[i], odst[i], t * 2 * FLT_EPSILON)) {
70 ✗ fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
71 ✗ i, cdst[i], odst[i], cdst[i] - odst[i]);
72 ✗ fail();
73 ✗ break;
74 }
75 }
76 4 memcpy(odst, src0, (BUF_SIZE) * sizeof(float));
77
1/18
✗ Branch 1 not taken.
✓ Branch 2 taken 4 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✗ Branch 41 not taken.
✗ Branch 42 not taken.
✗ Branch 43 not taken.
✗ Branch 44 not taken.
✗ Branch 45 not taken.
✗ Branch 46 not taken.
✗ Branch 47 not taken.
✗ Branch 48 not taken.
✗ Branch 51 not taken.
✗ Branch 52 not taken.
✗ Branch 54 not taken.
✗ Branch 55 not taken.
✗ Branch 59 not taken.
✗ Branch 60 not taken.
 4 bench_new(odst, src1, src2, LEN);
78 }
79
80 14 report("fcmul_add");
81 14 }
82
83 14 static void test_dcmul_add(AudioFIRDSPContext *fir)
84 {
85 #define BUF_SIZE LEN*2+8
86 14 LOCAL_ALIGNED_32(double, src0, [BUF_SIZE]);
87 14 LOCAL_ALIGNED_32(double, src1, [BUF_SIZE]);
88 14 LOCAL_ALIGNED_32(double, src2, [BUF_SIZE]);
89
90 14 randomize_stddev_dbl(src0, BUF_SIZE, 10.0);
91 14 randomize_stddev_dbl(src1, BUF_SIZE, 10.0);
92 14 randomize_stddev_dbl(src2, BUF_SIZE, 10.0);
93
94
2/2
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 13 times.
 14 if (check_func(fir->dcmul_add, "dcmul_add")) {
95 1 LOCAL_ALIGNED_32(double, cdst, [BUF_SIZE]);
96 1 LOCAL_ALIGNED_32(double, odst, [BUF_SIZE]);
97 int i;
98
99 1 declare_func(void, double *sum, const double *t, const double *c,
100 ptrdiff_t len);
101
102 1 memcpy(cdst, src0, (BUF_SIZE) * sizeof(double));
103 1 memcpy(odst, src0, (BUF_SIZE) * sizeof(double));
104
1/2
✗ Branch 2 not taken.
✓ Branch 3 taken 1 times.
 1 call_ref(cdst, src1, src2, LEN);
105 1 call_new(odst, src1, src2, LEN);
106
2/2
✓ Branch 0 taken 513 times.
✓ Branch 1 taken 1 times.
 514 for (i = 0; i <= LEN*2; i++) {
107 513 int idx = i & ~1;
108 513 double cre = src2[idx];
109 513 double cim = src2[idx + 1];
110 513 double tre = src1[idx];
111 513 double tim = src1[idx + 1];
112 513 double t = fabs(src0[i]) +
113 513 fabs(tre) + fabs(tim) + fabs(cre) + fabs(cim) +
114 513 fabs(tre * cre) + fabs(tim * cim) +
115 513 fabs(tre * cim) + fabs(tim * cre) +
116 513 fabs(tre * cre - tim * cim) +
117 513 fabs(tre * cim + tim * cre) +
118 513 fabs(cdst[i]) + 1.0;
119
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 513 times.
 513 if (!double_near_abs_eps(cdst[i], odst[i], t * 2 * FLT_EPSILON)) {
120 ✗ fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
121 ✗ i, cdst[i], odst[i], cdst[i] - odst[i]);
122 ✗ fail();
123 ✗ break;
124 }
125 }
126 1 memcpy(odst, src0, (BUF_SIZE) * sizeof(double));
127
1/18
✗ Branch 1 not taken.
✓ Branch 2 taken 1 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✗ Branch 41 not taken.
✗ Branch 42 not taken.
✗ Branch 43 not taken.
✗ Branch 44 not taken.
✗ Branch 45 not taken.
✗ Branch 46 not taken.
✗ Branch 47 not taken.
✗ Branch 48 not taken.
✗ Branch 51 not taken.
✗ Branch 52 not taken.
✗ Branch 54 not taken.
✗ Branch 55 not taken.
✗ Branch 59 not taken.
✗ Branch 60 not taken.
 1 bench_new(odst, src1, src2, LEN);
128 }
129
130 14 report("dcmul_add");
131 14 }
132
133
134 14 void checkasm_check_afir(void)
135 {
136 14 AudioFIRDSPContext fir = { 0 };
137
138 14 ff_afir_init(&fir);
139 14 test_fcmul_add(&fir);
140 14 test_dcmul_add(&fir);
141 14 }
142