1 /*
2 * Copyright (c) 2015 Henrik Gramner
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/h264qpel.h"
24 #include "libavutil/common.h"
25 #include "libavutil/internal.h"
26 #include "libavutil/intreadwrite.h"
27 #include "libavutil/mem_internal.h"
28
29 static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
30
31 #define SIZEOF_PIXEL ((bit_depth + 7) / 8)
32 #define BUF_SIZE (2 * 16 * (16 + 3 + 4))
33
34 #define randomize_buffers() \
35 do { \
36 uint32_t mask = pixel_mask[bit_depth - 8]; \
37 int k; \
38 for (k = 0; k < BUF_SIZE; k += 4) { \
39 uint32_t r = rnd() & mask; \
40 AV_WN32A(buf0 + k, r); \
41 AV_WN32A(buf1 + k, r); \
42 r = rnd(); \
43 AV_WN32A(dst0 + k, r); \
44 AV_WN32A(dst1 + k, r); \
45 } \
46 } while (0)
47
48 #define src0 (buf0 + 3 * 2 * 16) /* h264qpel functions read data from negative src pointer offsets */
49 #define src1 (buf1 + 3 * 2 * 16)
50
checkasm_check_h264qpel(void)51 void checkasm_check_h264qpel(void)
52 {
53 LOCAL_ALIGNED_16(uint8_t, buf0, [BUF_SIZE]);
54 LOCAL_ALIGNED_16(uint8_t, buf1, [BUF_SIZE]);
55 LOCAL_ALIGNED_16(uint8_t, dst0, [BUF_SIZE]);
56 LOCAL_ALIGNED_16(uint8_t, dst1, [BUF_SIZE]);
57 H264QpelContext h;
58 int op, bit_depth, i, j;
59 declare_func_emms(AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMXEXT, void, uint8_t *dst, const uint8_t *src, ptrdiff_t stride);
60
61 for (op = 0; op < 2; op++) {
62 qpel_mc_func (*tab)[16] = op ? h.avg_h264_qpel_pixels_tab : h.put_h264_qpel_pixels_tab;
63 const char *op_name = op ? "avg" : "put";
64
65 for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
66 ff_h264qpel_init(&h, bit_depth);
67 for (i = 0; i < (op ? 3 : 4); i++) {
68 int size = 16 >> i;
69 for (j = 0; j < 16; j++)
70 if (check_func(tab[i][j], "%s_h264_qpel_%d_mc%d%d_%d", op_name, size, j & 3, j >> 2, bit_depth)) {
71 randomize_buffers();
72 call_ref(dst0, src0, size * SIZEOF_PIXEL);
73 call_new(dst1, src1, size * SIZEOF_PIXEL);
74 if (memcmp(buf0, buf1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))
75 fail();
76 bench_new(dst1, src1, size * SIZEOF_PIXEL);
77 }
78 }
79 }
80 report("%s", op_name);
81 }
82 }
83