FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavfilter/af_afirdsp.h
Date: 2024-04-12 08:31:17
Exec Total Coverage
Lines: 25 25 100.0%
Functions: 3 3 100.0%
Branches: 4 4 100.0%

Line Branch Exec Source
1 /*
2 * Copyright (c) 2017 Paul B Mahol
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (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 GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21 #ifndef AVFILTER_AFIRDSP_H
22 #define AVFILTER_AFIRDSP_H
23
24 #include <stddef.h>
25
26 #include "config.h"
27 #include "libavutil/attributes.h"
28
29 typedef struct AudioFIRDSPContext {
30 void (*fcmul_add)(float *sum, const float *t, const float *c,
31 ptrdiff_t len);
32 void (*dcmul_add)(double *sum, const double *t, const double *c,
33 ptrdiff_t len);
34 } AudioFIRDSPContext;
35
36 void ff_afir_init_riscv(AudioFIRDSPContext *s);
37 void ff_afir_init_x86(AudioFIRDSPContext *s);
38
39 3 static void fcmul_add_c(float *sum, const float *t, const float *c, ptrdiff_t len)
40 {
41 int n;
42
43
2/2
✓ Branch 0 taken 768 times.
✓ Branch 1 taken 3 times.
771 for (n = 0; n < len; n++) {
44 768 const float cre = c[2 * n ];
45 768 const float cim = c[2 * n + 1];
46 768 const float tre = t[2 * n ];
47 768 const float tim = t[2 * n + 1];
48
49 768 sum[2 * n ] += tre * cre - tim * cim;
50 768 sum[2 * n + 1] += tre * cim + tim * cre;
51 }
52
53 3 sum[2 * n] += t[2 * n] * c[2 * n];
54 3 }
55
56 2 static void dcmul_add_c(double *sum, const double *t, const double *c, ptrdiff_t len)
57 {
58 int n;
59
60
2/2
✓ Branch 0 taken 512 times.
✓ Branch 1 taken 2 times.
514 for (n = 0; n < len; n++) {
61 512 const double cre = c[2 * n ];
62 512 const double cim = c[2 * n + 1];
63 512 const double tre = t[2 * n ];
64 512 const double tim = t[2 * n + 1];
65
66 512 sum[2 * n ] += tre * cre - tim * cim;
67 512 sum[2 * n + 1] += tre * cim + tim * cre;
68 }
69
70 2 sum[2 * n] += t[2 * n] * c[2 * n];
71 2 }
72
73 13 static av_unused void ff_afir_init(AudioFIRDSPContext *dsp)
74 {
75 13 dsp->fcmul_add = fcmul_add_c;
76 13 dsp->dcmul_add = dcmul_add_c;
77
78 #if ARCH_RISCV
79 ff_afir_init_riscv(dsp);
80 #elif ARCH_X86
81 13 ff_afir_init_x86(dsp);
82 #endif
83 13 }
84
85 #endif /* AVFILTER_AFIRDSP_H */
86