cosmetics: Reformat checkasm tests
[ffmpeg.git] / tests / checkasm / bswapdsp.c
1 /*
2  * Copyright (c) 2015 Henrik Gramner
3  *
4  * This file is part of Libav.
5  *
6  * Libav 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  * Libav 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 Libav; 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/bswapdsp.h"
24 #include "libavutil/common.h"
25 #include "libavutil/intreadwrite.h"
26
27 #define BUF_SIZE 512
28
29 #define randomize_buffers()                 \
30     do {                                    \
31         int i;                              \
32         for (i = 0; i < BUF_SIZE; i += 4) { \
33             uint32_t r = rnd();             \
34             AV_WN32A(src0 + i, r);          \
35             AV_WN32A(src1 + i, r);          \
36             r = rnd();                      \
37             AV_WN32A(dst0 + i, r);          \
38             AV_WN32A(dst1 + i, r);          \
39         }                                   \
40     } while (0)
41
42 #define check_bswap(type)                                                                  \
43     do {                                                                                   \
44         int w;                                                                             \
45         for (w = 0; w < BUF_SIZE / sizeof(type); w++) {                                    \
46             int offset = (BUF_SIZE / sizeof(type) - w) & 15; /* Test various alignments */ \
47             randomize_buffers();                                                           \
48             call_ref((type *)dst0 + offset, (type *)src0 + offset, w);                     \
49             call_new((type *)dst1 + offset, (type *)src1 + offset, w);                     \
50             if (memcmp(src0, src1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))              \
51                 fail();                                                                    \
52             bench_new((type *)dst1 + offset, (type *)src1 + offset, w);                    \
53         }                                                                                  \
54     } while (0)
55
56 void checkasm_check_bswapdsp(void)
57 {
58     DECLARE_ALIGNED(16, uint8_t, src0)[BUF_SIZE];
59     DECLARE_ALIGNED(16, uint8_t, src1)[BUF_SIZE];
60     DECLARE_ALIGNED(16, uint8_t, dst0)[BUF_SIZE];
61     DECLARE_ALIGNED(16, uint8_t, dst1)[BUF_SIZE];
62     BswapDSPContext h;
63
64     ff_bswapdsp_init(&h);
65
66     if (check_func(h.bswap_buf, "bswap_buf"))
67         check_bswap(uint32_t);
68
69     if (check_func(h.bswap16_buf, "bswap16_buf"))
70         check_bswap(uint16_t);
71
72     report("bswap");
73 }