2 * Copyright (c) 2015 Henrik Gramner
4 * This file is part of Libav.
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.
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.
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.
23 #include "libavcodec/h264qpel.h"
24 #include "libavutil/common.h"
25 #include "libavutil/intreadwrite.h"
27 static const uint32_t pixel_mask[3] = { 0xffffffff, 0x01ff01ff, 0x03ff03ff };
29 #define SIZEOF_PIXEL ((bit_depth + 7) / 8)
30 #define BUF_SIZE (2*16*(16+3+4))
32 #define randomize_buffers()\
34 uint32_t mask = pixel_mask[bit_depth-8];\
36 for (k = 0; k < BUF_SIZE; k += 4) {\
37 uint32_t r = rnd() & mask;\
46 #define src0 (buf0 + 3*2*16) /* h264qpel functions read data from negative src pointer offsets */
47 #define src1 (buf1 + 3*2*16)
49 void checkasm_check_h264qpel(void)
51 DECLARE_ALIGNED(16, uint8_t, buf0)[BUF_SIZE];
52 DECLARE_ALIGNED(16, uint8_t, buf1)[BUF_SIZE];
53 DECLARE_ALIGNED(16, uint8_t, dst0)[BUF_SIZE];
54 DECLARE_ALIGNED(16, uint8_t, dst1)[BUF_SIZE];
56 int op, bit_depth, i, j;
58 for (op = 0; op < 2; op++) {
59 qpel_mc_func (*tab)[16] = op ? h.avg_h264_qpel_pixels_tab : h.put_h264_qpel_pixels_tab;
60 const char *op_name = op ? "avg" : "put";
62 for (bit_depth = 8; bit_depth <= 10; bit_depth++) {
63 ff_h264qpel_init(&h, bit_depth);
64 for (i = 0; i < (op ? 3 : 4); i++) {
66 for (j = 0; j < 16; j++) {
67 if (check_func(tab[i][j], "%s_h264_qpel_%d_mc%d%d_%d", op_name, size, j&3, j>>2, bit_depth)) {
69 call_ref(dst0, src0, (ptrdiff_t)size*SIZEOF_PIXEL);
70 call_new(dst1, src1, (ptrdiff_t)size*SIZEOF_PIXEL);
71 if (memcmp(buf0, buf1, BUF_SIZE) || memcmp(dst0, dst1, BUF_SIZE))
73 bench_new(dst1, src1, (ptrdiff_t)size*SIZEOF_PIXEL);
78 report("%s_h264_qpel", op_name);