FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/hevc_add_res.c
Date: 2024-11-20 23:03:26
Exec Total Coverage
Lines: 33 34 97.1%
Functions: 3 3 100.0%
Branches: 20 28 71.4%
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/intreadwrite.h"
24 #include "libavutil/mem_internal.h"
25
26 #include "libavcodec/hevc/dsp.h"
27
28 #include "checkasm.h"
29
30 #define randomize_buffers(buf, size) \
31 do { \
32 int j; \
33 for (j = 0; j < size; j++) { \
34 int16_t r = rnd(); \
35 AV_WN16A(buf + j, r >> 3); \
36 } \
37 } while (0)
38
39 #define randomize_buffers2(buf, size, mask) \
40 do { \
41 int j; \
42 for (j = 0; j < size; j++) \
43 AV_WN16A(buf + j * 2, rnd() & mask); \
44 } while (0)
45
46 68 static void compare_add_res(int size, ptrdiff_t stride, int overflow_test, int mask)
47 {
48 68 LOCAL_ALIGNED_32(int16_t, res0, [32 * 32]);
49 68 LOCAL_ALIGNED_32(int16_t, res1, [32 * 32]);
50 68 LOCAL_ALIGNED_32(uint8_t, dst0, [32 * 32 * 2]);
51 68 LOCAL_ALIGNED_32(uint8_t, dst1, [32 * 32 * 2]);
52
53
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 68 declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, const int16_t *res, ptrdiff_t stride);
54
55
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 26404 randomize_buffers(res0, size);
56
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 26404 randomize_buffers2(dst0, size, mask);
57
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 68 if (overflow_test)
58 34 res0[0] = 0x8000;
59 68 memcpy(res1, res0, sizeof(*res0) * size);
60 68 memcpy(dst1, dst0, sizeof(int16_t) * size);
61
62 68 call_ref(dst0, res0, stride);
63 68 call_new(dst1, res1, stride);
64
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 68 if (memcmp(dst0, dst1, size))
65 ✗ fail();
66
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 68 bench_new(dst1, res1, stride);
67 68 }
68
69 65 static void check_add_res(HEVCDSPContext *h, int bit_depth)
70 {
71 int i;
72
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 65 int mask = bit_depth == 8 ? 0xFFFF : bit_depth == 10 ? 0x03FF : 0x07FF;
73
74
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 325 for (i = 2; i <= 5; i++) {
75 260 int block_size = 1 << i;
76 260 int size = block_size * block_size;
77 260 ptrdiff_t stride = block_size << (bit_depth > 8);
78
79
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 260 if (check_func(h->add_residual[i - 2], "hevc_add_res_%dx%d_%d", block_size, block_size, bit_depth)) {
80 34 compare_add_res(size, stride, 0, mask);
81 // overflow test for res = -32768
82 34 compare_add_res(size, stride, 1, mask);
83 }
84 }
85 65 }
86
87 13 void checkasm_check_hevc_add_res(void)
88 {
89 int bit_depth;
90
91
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 78 for (bit_depth = 8; bit_depth <= 12; bit_depth++) {
92 HEVCDSPContext h;
93
94 65 ff_hevc_dsp_init(&h, bit_depth);
95 65 check_add_res(&h, bit_depth);
96 }
97 13 report("add_residual");
98 13 }
99