FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/tests/checkasm/base64.c
Date: 2026-09-18 15:12:08
Exec Total Coverage
Lines: 22 23 95.7%
Functions: 3 3 100.0%
Branches: 13 32 40.6%

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1 /*
2 * Copyright (c) 2026 Shreesh Adiga <16567adigashreesh@gmail.com>
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 "checkasm.h"
22 #include "libavutil/base64.h"
23 #include "libavutil/base64_internal.h"
24 #include "libavutil/mem_internal.h"
25 #if ARCH_AARCH64
26 #include "libavutil/aarch64/cpu.h"
27 #include "libavutil/aarch64/base64.h"
28 #endif
29 #include <string.h>
30
31 #define BUF_SIZE (1024)
32
33 14 static char *(*base64_encode_get_fn(void))(char *, const uint8_t *, int, const char *) {
34 #if ARCH_AARCH64
35 int cpu_flags = av_get_cpu_flags();
36 if (have_neon(cpu_flags))
37 return ff_base64_encode_neon;
38 else
39 #endif
40 14 return ff_base64_encode_c;
41 }
42
43 14 static void check_base64_encode(void)
44 {
45 14 LOCAL_ALIGNED_32(uint8_t, buf, [BUF_SIZE]);
46 14 LOCAL_ALIGNED_32(uint8_t, out1, [AV_BASE64_SIZE(BUF_SIZE)]);
47 14 LOCAL_ALIGNED_32(uint8_t, out2, [AV_BASE64_SIZE(BUF_SIZE)]);
48 static const char b64[] =
49 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
50
51
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14350 for (int i = 0; i < BUF_SIZE; i++)
52 14336 buf[i] = rnd();
53
54 14 declare_func(char *, char *out, const uint8_t *in, int in_size, const char *b64);
55
56 14 func_type *fn = base64_encode_get_fn();
57
58
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14 if (check_func(fn, "av_base64_encode")) {
59
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241 for (int i = 0; i < 48 * 5; i++) {
60 240 size_t offset = rnd() % (BUF_SIZE - i);
61
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240 call_new(out1, i ? buf + offset : NULL, i, b64);
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240 call_ref(out2, i ? buf + offset : NULL, i, b64);
63
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240 if (memcmp(out1, out2, AV_BASE64_SIZE(i)))
64 fail();
65 }
66
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1 bench_new(out1, buf, BUF_SIZE, b64);
68 }
69 14 }
70
71 14 void checkasm_check_base64(void)
72 {
73 14 check_base64_encode();
74 14 report("base64");
75 14 }
76