FFmpeg coverage


Directory: ../../../ffmpeg/
File: src/tests/checkasm/proresdsp.c
Date: 2026-09-24 20:08:24
Exec Total Coverage
Lines: 36 37 97.3%
Functions: 3 3 100.0%
Branches: 18 36 50.0%

Line Branch Exec Source
1 /*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <string.h>
20
21 #include "checkasm.h"
22
23 #include "libavcodec/proresdsp.h"
24
25 #include "libavutil/common.h"
26 #include "libavutil/internal.h"
27 #include "libavutil/mem_internal.h"
28
29 #define IN_IDCT_DEPTH 16
30 #define PRORES_ONLY
31
32 #define BIT_DEPTH 12
33 #include "libavcodec/simple_idct_template.c"
34 #undef BIT_DEPTH
35 #undef IN_IDCT_DEPTH
36
37 #define CLIP_MIN (1 << 2)
38 #define CLIP_MAX_12 ((1 << 12) - CLIP_MIN - 1)
39
40 #define BLOCK_SIZE 64
41
42 4 static void permute_block(int16_t *dst, const int16_t *src, const uint8_t *perm)
43 {
44
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260 for (int i = 0; i < BLOCK_SIZE; i++)
45 256 dst[i] = src[perm[i]];
46 4 }
47
48 2 static void ref_idct_put_12(uint16_t *dst, ptrdiff_t linesize,
49 const int16_t *src_block, const int16_t *src_qmat)
50 {
51 int16_t block[BLOCK_SIZE];
52
53
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130 for (int i = 0; i < BLOCK_SIZE; i++)
54 128 block[i] = src_block[i] * src_qmat[i];
55
56
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18 for (int i = 0; i < 8; i++)
57 16 idctRowCondDC_int16_12bit(block + i * 8, 0);
58
59
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18 for (int i = 0; i < 8; i++) {
60 16 block[i] += 8192;
61 16 idctSparseCol_int16_12bit(block + i);
62 }
63
64
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18 for (int y = 0; y < 8; y++)
65
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144 for (int x = 0; x < 8; x++)
66 128 dst[y * (linesize >> 1) + x] = av_clip(block[y * 8 + x], CLIP_MIN, CLIP_MAX_12);
67 2 }
68
69 14 void checkasm_check_proresdsp(void)
70 {
71 14 LOCAL_ALIGNED_32(int16_t, block, [BLOCK_SIZE]);
72 14 LOCAL_ALIGNED_32(int16_t, qmat, [BLOCK_SIZE]);
73 14 LOCAL_ALIGNED_16(uint16_t, dst_ref, [BLOCK_SIZE]);
74 14 LOCAL_ALIGNED_16(uint16_t, dst_new, [BLOCK_SIZE]);
75 int16_t src_block[BLOCK_SIZE];
76 int16_t src_qmat[BLOCK_SIZE];
77 14 ProresDSPContext dsp = { 0 };
78
79 14 ff_proresdsp_init(&dsp, 12);
80
81
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14 if (check_func(dsp.idct_put, "prores_idct_put_12")) {
82 2 declare_func(void, uint16_t *dst, ptrdiff_t linesize, int16_t *block, const int16_t *qmat);
83
84
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130 for (int i = 0; i < BLOCK_SIZE; i++) {
85 128 src_qmat[i] = 1 + (rnd() % 255);
86 128 src_block[i] = (int16_t)rnd();
87 }
88
89 2 permute_block(block, src_block, dsp.idct_permutation);
90 2 permute_block(qmat, src_qmat, dsp.idct_permutation);
91
92 2 ref_idct_put_12(dst_ref, 16, src_block, src_qmat);
93
94 2 call_new(dst_new, 16, block, qmat);
95
96
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2 if (memcmp(dst_ref, dst_new, BLOCK_SIZE * sizeof(*dst_ref)))
97 ✗ fail();
98
99
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2 bench_new(dst_new, 16, block, qmat);
100 }
101
102 14 report("prores_idct_put_12");
103 14 }
104