FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/tests/checkasm/flacdsp.c
Date: 2024-05-03 15:42:48
Exec Total Coverage
Lines: 52 54 96.3%
Functions: 3 3 100.0%
Branches: 33 50 66.0%
Line Branch Exec Source
1 /*
2 * Copyright (c) 2015 James Almer
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 #include "checkasm.h"
23 #include "libavcodec/flacdsp.h"
24 #include "libavutil/common.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/intreadwrite.h"
27 #include "libavutil/mem_internal.h"
28
29 #define BUF_SIZE 256
30 #define MAX_CHANNELS 8
31
32 #define randomize_buffers() \
33 do { \
34 int i, j; \
35 for (i = 0; i < BUF_SIZE; i += 4) { \
36 for (j = 0; j < channels; j++) { \
37 uint32_t r = rnd() & (1 << (bits - 2)) - 1; \
38 AV_WN32A(ref_src[j] + i, r); \
39 AV_WN32A(new_src[j] + i, r); \
40 } \
41 } \
42 } while (0)
43
44 32 static void check_decorrelate(uint8_t **ref_dst, uint8_t **ref_src, uint8_t **new_dst, uint8_t **new_src,
45 int channels, int bits) {
46 32 declare_func(void, uint8_t **out, int32_t **in, int channels, int len, int shift);
47
48
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 10400 randomize_buffers();
49 32 call_ref(ref_dst, (int32_t **)ref_src, channels, BUF_SIZE / sizeof(int32_t), 8);
50 32 call_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8);
51
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 32 if (memcmp(*ref_dst, *new_dst, bits == 16 ? BUF_SIZE * (channels/2) : BUF_SIZE * channels) ||
52
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 32 memcmp(*ref_src, *new_src, BUF_SIZE * channels))
53 ✗ fail();
54
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 32 bench_new(new_dst, (int32_t **)new_src, channels, BUF_SIZE / sizeof(int32_t), 8);
55 32 }
56
57 12 static void check_lpc(int pred_order)
58 {
59 12 int qlevel = rnd() % 16;
60 12 LOCAL_ALIGNED_16(int32_t, coeffs, [32]);
61 12 LOCAL_ALIGNED_16(int32_t, dst0, [BUF_SIZE]);
62 12 LOCAL_ALIGNED_16(int32_t, dst1, [BUF_SIZE]);
63
64 12 declare_func(void, int32_t *, const int[32], int, int, int);
65
66
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 396 for (int i = 0; i < 32; i++)
67 384 coeffs[i] = rnd();
68
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 3084 for (int i = 0; i < BUF_SIZE; i++)
69 3072 dst0[i] = rnd();
70
71 12 memcpy(dst1, dst0, BUF_SIZE * sizeof (int32_t));
72 12 call_ref(dst0, coeffs, pred_order, qlevel, BUF_SIZE);
73 12 call_new(dst1, coeffs, pred_order, qlevel, BUF_SIZE);
74
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 12 if (memcmp(dst0, dst1, BUF_SIZE * sizeof (int32_t)) != 0)
75 ✗ fail();
76
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 12 bench_new(dst1, coeffs, pred_order, qlevel, BUF_SIZE);
77 12 }
78
79 13 void checkasm_check_flacdsp(void)
80 {
81 13 LOCAL_ALIGNED_16(uint8_t, ref_dst, [BUF_SIZE*MAX_CHANNELS]);
82 13 LOCAL_ALIGNED_16(uint8_t, ref_buf, [BUF_SIZE*MAX_CHANNELS]);
83 13 LOCAL_ALIGNED_16(uint8_t, new_dst, [BUF_SIZE*MAX_CHANNELS]);
84 13 LOCAL_ALIGNED_16(uint8_t, new_buf, [BUF_SIZE*MAX_CHANNELS]);
85 13 uint8_t *ref_src[] = { &ref_buf[BUF_SIZE*0], &ref_buf[BUF_SIZE*1], &ref_buf[BUF_SIZE*2], &ref_buf[BUF_SIZE*3],
86 13 &ref_buf[BUF_SIZE*4], &ref_buf[BUF_SIZE*5], &ref_buf[BUF_SIZE*6], &ref_buf[BUF_SIZE*7] };
87 13 uint8_t *new_src[] = { &new_buf[BUF_SIZE*0], &new_buf[BUF_SIZE*1], &new_buf[BUF_SIZE*2], &new_buf[BUF_SIZE*3],
88 13 &new_buf[BUF_SIZE*4], &new_buf[BUF_SIZE*5], &new_buf[BUF_SIZE*6], &new_buf[BUF_SIZE*7] };
89 static const char * const names[3] = { "ls", "rs", "ms" };
90 static const struct {
91 enum AVSampleFormat fmt;
92 int bits;
93 } fmts[] = {
94 { AV_SAMPLE_FMT_S16, 16 },
95 { AV_SAMPLE_FMT_S32, 32 },
96 };
97 static const signed char pred_orders[] = { 13, 16, 29, 32 };
98 FLACDSPContext h;
99 int i, j;
100
101
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 39 for (i = 0; i < 2; i++) {
102 26 ff_flacdsp_init(&h, fmts[i].fmt, 2);
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 104 for (j = 0; j < 3; j++)
104
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 78 if (check_func(h.decorrelate[j + 1], "flac_decorrelate_%s_%d", names[j], fmts[i].bits))
105 12 check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, 2, fmts[i].bits);
106
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 130 for (j = 2; j <= MAX_CHANNELS; j += 2) {
107 104 ff_flacdsp_init(&h, fmts[i].fmt, j);
108
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 104 if (check_func(h.decorrelate[0], "flac_decorrelate_indep%d_%d", j, fmts[i].bits))
109 20 check_decorrelate(&ref_dst, ref_src, &new_dst, new_src, j, fmts[i].bits);
110 }
111 }
112
113 13 report("decorrelate");
114
115
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 65 for (i = 0; i < FF_ARRAY_ELEMS(pred_orders); i++)
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 52 if (check_func(h.lpc16, "flac_lpc_16_%d", pred_orders[i]))
117 4 check_lpc(pred_orders[i]);
118
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 65 for (i = 0; i < FF_ARRAY_ELEMS(pred_orders); i++)
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 52 if (check_func(h.lpc32, "flac_lpc_32_%d", pred_orders[i]))
120 8 check_lpc(pred_orders[i]);
121
122 13 report("lpc");
123 13 }
124