FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/libavcodec/audiodsp.c
Date: 2021-09-23 20:34:37
Exec Total Coverage
Lines: 58 58 100.0%
Branches: 15 16 93.8%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <stdint.h>
20
21 #include "libavutil/attributes.h"
22 #include "libavutil/common.h"
23 #include "audiodsp.h"
24
25 697136 static inline uint32_t clipf_c_one(uint32_t a, uint32_t mini,
26 uint32_t maxi, uint32_t maxisign)
27 {
28
2/2
✓ Branch 0 taken 25 times.
✓ Branch 1 taken 697111 times.
697136 if (a > mini)
29 25 return mini;
30
2/2
✓ Branch 0 taken 21 times.
✓ Branch 1 taken 697090 times.
697111 else if ((a ^ (1U << 31)) > maxisign)
31 21 return maxi;
32 else
33 697090 return a;
34 }
35
36 3753 static void vector_clipf_c_opposite_sign(float *dst, const float *src,
37 float *min, float *max, int len)
38 {
39 int i;
40 3753 uint32_t mini = *(uint32_t *) min;
41 3753 uint32_t maxi = *(uint32_t *) max;
42 3753 uint32_t maxisign = maxi ^ (1U << 31);
43 3753 uint32_t *dsti = (uint32_t *) dst;
44 3753 const uint32_t *srci = (const uint32_t *) src;
45
46
2/2
✓ Branch 0 taken 87142 times.
✓ Branch 1 taken 3753 times.
90895 for (i = 0; i < len; i += 8) {
47 87142 dsti[i + 0] = clipf_c_one(srci[i + 0], mini, maxi, maxisign);
48 87142 dsti[i + 1] = clipf_c_one(srci[i + 1], mini, maxi, maxisign);
49 87142 dsti[i + 2] = clipf_c_one(srci[i + 2], mini, maxi, maxisign);
50 87142 dsti[i + 3] = clipf_c_one(srci[i + 3], mini, maxi, maxisign);
51 87142 dsti[i + 4] = clipf_c_one(srci[i + 4], mini, maxi, maxisign);
52 87142 dsti[i + 5] = clipf_c_one(srci[i + 5], mini, maxi, maxisign);
53 87142 dsti[i + 6] = clipf_c_one(srci[i + 6], mini, maxi, maxisign);
54 87142 dsti[i + 7] = clipf_c_one(srci[i + 7], mini, maxi, maxisign);
55 }
56 3753 }
57
58 3755 static void vector_clipf_c(float *dst, const float *src, int len,
59 float min, float max)
60 {
61 int i;
62
63
3/4
✓ Branch 0 taken 3753 times.
✓ Branch 1 taken 2 times.
✓ Branch 2 taken 3753 times.
✗ Branch 3 not taken.
3755 if (min < 0 && max > 0) {
64 3753 vector_clipf_c_opposite_sign(dst, src, &min, &max, len);
65 } else {
66
2/2
✓ Branch 0 taken 64 times.
✓ Branch 1 taken 2 times.
66 for (i = 0; i < len; i += 8) {
67 64 dst[i] = av_clipf(src[i], min, max);
68 64 dst[i + 1] = av_clipf(src[i + 1], min, max);
69 64 dst[i + 2] = av_clipf(src[i + 2], min, max);
70 64 dst[i + 3] = av_clipf(src[i + 3], min, max);
71 64 dst[i + 4] = av_clipf(src[i + 4], min, max);
72 64 dst[i + 5] = av_clipf(src[i + 5], min, max);
73 64 dst[i + 6] = av_clipf(src[i + 6], min, max);
74 64 dst[i + 7] = av_clipf(src[i + 7], min, max);
75 }
76 }
77 3755 }
78
79 861032 static int32_t scalarproduct_int16_c(const int16_t *v1, const int16_t *v2,
80 int order)
81 {
82 861032 unsigned res = 0;
83
84
2/2
✓ Branch 0 taken 46926376 times.
✓ Branch 1 taken 861032 times.
47787408 while (order--)
85 46926376 res += *v1++ **v2++;
86
87 861032 return res;
88 }
89
90 8924 static void vector_clip_int32_c(int32_t *dst, const int32_t *src, int32_t min,
91 int32_t max, unsigned int len)
92 {
93 do {
94 8924 *dst++ = av_clip(*src++, min, max);
95 8924 *dst++ = av_clip(*src++, min, max);
96 8924 *dst++ = av_clip(*src++, min, max);
97 8924 *dst++ = av_clip(*src++, min, max);
98 8924 *dst++ = av_clip(*src++, min, max);
99 8924 *dst++ = av_clip(*src++, min, max);
100 8924 *dst++ = av_clip(*src++, min, max);
101 8924 *dst++ = av_clip(*src++, min, max);
102 8924 len -= 8;
103
2/2
✓ Branch 0 taken 7883 times.
✓ Branch 1 taken 1041 times.
8924 } while (len > 0);
104 1041 }
105
106 34 av_cold void ff_audiodsp_init(AudioDSPContext *c)
107 {
108 34 c->scalarproduct_int16 = scalarproduct_int16_c;
109 34 c->vector_clip_int32 = vector_clip_int32_c;
110 34 c->vector_clipf = vector_clipf_c;
111
112 if (ARCH_ARM)
113 ff_audiodsp_init_arm(c);
114 if (ARCH_PPC)
115 ff_audiodsp_init_ppc(c);
116 if (ARCH_X86)
117 34 ff_audiodsp_init_x86(c);
118 34 }
119