FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/tests/checkasm/vorbisdsp.c
Date: 2026-07-18 19:31:15
Exec Total Coverage
Lines: 27 33 81.8%
Functions: 2 2 100.0%
Branches: 7 26 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 <float.h>
20
21 #include "libavutil/mem_internal.h"
22
23 #include "libavcodec/vorbisdsp.h"
24
25 #include "checkasm.h"
26
27 #define LEN 512
28
29 2 static void test_inverse_coupling(void)
30 {
31 2 LOCAL_ALIGNED_16(float, src0, [LEN]);
32 2 LOCAL_ALIGNED_16(float, src1, [LEN]);
33 2 LOCAL_ALIGNED_16(float, cdst, [LEN]);
34 2 LOCAL_ALIGNED_16(float, odst, [LEN]);
35 2 LOCAL_ALIGNED_16(float, cdst1, [LEN]);
36 2 LOCAL_ALIGNED_16(float, odst1, [LEN]);
37
38 2 declare_func(void, float *restrict mag, float *restrict ang,
39 ptrdiff_t blocksize);
40
41 2 randomize_stddev(src0, LEN, 10.0);
42 2 randomize_stddev(src1, LEN, 10.0);
43
44 2 memcpy(cdst, src0, LEN * sizeof(*src0));
45 2 memcpy(cdst1, src1, LEN * sizeof(*src1));
46 2 memcpy(odst, src0, LEN * sizeof(*src0));
47 2 memcpy(odst1, src1, LEN * sizeof(*src1));
48
49 2 call_ref(cdst, cdst1, LEN);
50 2 call_new(odst, odst1, LEN);
51
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1026 for (int i = 0; i < LEN; i++) {
52
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2048 if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON) ||
53 1024 !float_near_abs_eps(cdst1[i], odst1[i], FLT_EPSILON)) {
54 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
55 i, cdst[i], odst[i], cdst[i] - odst[i]);
56 fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
57 i, cdst1[i], odst1[i], cdst1[i] - odst1[i]);
58 fail();
59 break;
60 }
61 }
62
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2 bench_new(src0, src1, LEN);
63 2 }
64
65 14 void checkasm_check_vorbisdsp(void)
66 {
67 VorbisDSPContext dsp;
68
69 14 ff_vorbisdsp_init(&dsp);
70
71
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14 if (check_func(dsp.vorbis_inverse_coupling, "inverse_coupling"))
72 2 test_inverse_coupling();
73 14 report("inverse_coupling");
74 14 }
75