FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/huffyuvencdsp.c
Date: 2026-04-22 13:46:37
Exec Total Coverage
Lines: 25 26 96.2%
Functions: 2 2 100.0%
Branches: 15 26 57.7%
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 <stddef.h>
20 #include <stdint.h>
21 #include <string.h>
22
23 #include "checkasm.h"
24 #include "libavcodec/huffyuvencdsp.h"
25 #include "libavutil/cpu.h"
26 #include "libavutil/macros.h"
27 #include "libavutil/mem_internal.h"
28
29 enum {
30 MAX_WIDTH = 4096, ///< maximum test width, must be a power of two smaller than the maximum alignment
31 };
32
33 #define randomize_buffers(buf, size, mask) \
34 do { \
35 for (size_t j = 0; j < size; ++j) \
36 buf[j] = rnd() & mask; \
37 } while (0)
38
39
40 28 static void check_sub_hfyu_median_pred_int16(const char *aligned, unsigned width)
41 {
42 static const int bpps[] = { 9, 16, };
43 HuffYUVEncDSPContext c;
44
45 28 declare_func(void, uint16_t *dst, const uint16_t *src1,
46 const uint16_t *src2, unsigned mask, int w, int *left, int *left_top);
47
48
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 84 for (size_t i = 0; i < FF_ARRAY_ELEMS(bpps); ++i) {
49 56 const int bpp = bpps[i];
50
51 56 ff_huffyuvencdsp_init(&c, bpp, width);
52
53
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 56 if (check_func(c.sub_hfyu_median_pred_int16, "sub_hfyu_median_pred_int16_%dbpp%s", bpp, aligned)) {
54 DECLARE_ALIGNED(32, uint16_t, dst0)[MAX_WIDTH];
55 DECLARE_ALIGNED(32, uint16_t, dst1)[MAX_WIDTH];
56 uint16_t src1[MAX_WIDTH];
57 uint16_t src2[MAX_WIDTH];
58 10 const unsigned mask = (1 << bpp) - 1;
59 10 int l1 = rnd() & mask, lt1 = rnd() & mask, l2 = l1, lt2 = lt1;
60
61
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 15210 randomize_buffers(src1, width, mask);
62
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 15210 randomize_buffers(src2, width, mask);
63
64 10 call_ref(dst0, src1, src2, mask, width, &l1, &lt1);
65 10 call_new(dst1, src1, src2, mask, width, &l2, &lt2);
66
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 10 if (l1 != l2 || lt1 != lt2 || memcmp(dst0, dst1, width * sizeof(dst0[0])))
67 ✗ fail();
68
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 10 bench_new(dst1, src1, src2, mask, width, &l2, &lt2);
69 }
70 }
71 28 }
72
73 14 void checkasm_check_huffyuvencdsp(void)
74 {
75 static unsigned width = 0;
76
77
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 14 if (!width) {
78 1 width = rnd() % MAX_WIDTH;
79
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 1 width = width ? width : 1;
80 }
81
82 14 const size_t align = av_cpu_max_align();
83
84 14 check_sub_hfyu_median_pred_int16("_aligned", FFALIGN(width, align / sizeof(uint16_t)));
85 14 report("sub_hfyu_median_pred_int16_aligned");
86
87 14 check_sub_hfyu_median_pred_int16("", width);
88 14 report("sub_hfyu_median_pred_int16");
89 14 }
90