FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/huffyuvdsp.c
Date: 2025-11-01 17:46:10
Exec Total Coverage
Lines: 42 45 93.3%
Functions: 3 3 100.0%
Branches: 19 40 47.5%
Line Branch Exec Source
1 /*
2 * Copyright (c) 2016 Alexandra Hájková
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 <string.h>
22
23 #include "libavutil/common.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/mem.h"
26
27 #include "libavcodec/huffyuvdsp.h"
28
29 #include "checkasm.h"
30
31 #define randomize_buffers(buf, size) \
32 do { \
33 int j; \
34 for (j = 0; j < size; j++) \
35 buf[j] = rnd() & 0xFFFF; \
36 } while (0)
37
38 26 static void check_add_int16(HuffYUVDSPContext *c, unsigned mask, int width, const char * name)
39 {
40 26 uint16_t *src0 = av_mallocz(width * sizeof(uint16_t));
41 26 uint16_t *src1 = av_mallocz(width * sizeof(uint16_t));
42 26 uint16_t *dst0 = av_mallocz(width * sizeof(uint16_t));
43 26 uint16_t *dst1 = av_mallocz(width * sizeof(uint16_t));
44
45 26 declare_func(void, uint16_t *dst, const uint16_t *src, unsigned mask, int w);
46
47
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 26 if (!src0 || !src1 || !dst0 || !dst1)
48 ✗ fail();
49
50
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 40730 randomize_buffers(src0, width);
51 26 memcpy(src1, src0, width * sizeof(uint16_t));
52
53
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 26 if (check_func(c->add_int16, "%s", name)) {
54 6 call_ref(dst0, src0, mask, width);
55 6 call_new(dst1, src1, mask, width);
56
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 6 if (memcmp(dst0, dst1, width * sizeof(uint16_t)))
57 ✗ fail();
58
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 6 bench_new(dst1, src1, mask, width);
59 }
60
61 26 av_free(src0);
62 26 av_free(src1);
63 26 av_free(dst0);
64 26 av_free(dst1);
65 26 }
66
67 13 static void check_add_hfyu_left_pred_bgr32(HuffYUVDSPContext *c)
68 {
69 #define BUF_SIZE 1080
70 uint8_t src[4 * BUF_SIZE], dst0[4 * BUF_SIZE], dst1[4 * BUF_SIZE];
71 uint8_t left[4], left0[4], left1[4];
72
73 13 declare_func(void, uint8_t *d, const uint8_t *s, intptr_t w, uint8_t *l);
74
75
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 56173 randomize_buffers(src, sizeof (src));
76
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 65 randomize_buffers(left, sizeof (left));
77 13 memcpy(left0, left, sizeof (left));
78 13 memcpy(left1, left, sizeof (left));
79
80
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 13 if (check_func(c->add_hfyu_left_pred_bgr32, "add_hfyu_left_pred_bgr32")) {
81 2 call_ref(dst0, src, BUF_SIZE, left0);
82 2 call_new(dst1, src, BUF_SIZE, left1);
83
84
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 2 if (memcmp(dst0, dst1, sizeof (dst0)) != 0 ||
85
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 2 memcmp(left0, left1, sizeof (left0)) != 0) {
86 ✗ fail();
87 }
88
89
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 2 bench_new(dst1, src, BUF_SIZE, left);
90 }
91
92 13 report("add_hfyu_left_pred_bgr32");
93 13 }
94
95 13 void checkasm_check_huffyuvdsp(void)
96 {
97 HuffYUVDSPContext c;
98 13 int width = 16 * av_clip(rnd(), 16, 128);
99
100 13 ff_huffyuvdsp_init(&c, AV_PIX_FMT_YUV422P);
101
102 /*! test width not multiple of mmsize */
103 13 check_add_int16(&c, 65535, width, "add_int16_rnd_width");
104 13 report("add_int16_rnd_width");
105
106 /*! test always with the same size (for perf test) */
107 13 check_add_int16(&c, 65535, 16*128, "add_int16_128");
108 13 report("add_int16_128");
109
110 13 check_add_hfyu_left_pred_bgr32(&c);
111 13 }
112