2 * Copyright (c) 2015 Henrik Gramner
4 * This file is part of FFmpeg.
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.
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.
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.
25 #include "libavcodec/blockdsp.h"
27 #include "libavutil/common.h"
28 #include "libavutil/internal.h"
29 #include "libavutil/intreadwrite.h"
31 #define randomize_buffers(size) \
34 for (i = 0; i < size; i++) { \
36 AV_WN16A(buf0 + i, r); \
37 AV_WN16A(buf1 + i, r); \
41 #define check_clear(func, size) \
43 if (check_func(h.func, "blockdsp." #func)) { \
44 declare_func_emms(AV_CPU_FLAG_MMX, void, int16_t *block); \
45 randomize_buffers(size); \
48 if (memcmp(buf0, buf1, sizeof(*buf0) * size)) \
54 void checkasm_check_blockdsp(void)
56 LOCAL_ALIGNED_16(uint16_t, buf0, [6 * 8 * 8]);
57 LOCAL_ALIGNED_16(uint16_t, buf1, [6 * 8 * 8]);
59 AVCodecContext avctx = { 0 };
62 ff_blockdsp_init(&h, &avctx);
64 check_clear(clear_block, 8 * 8);
65 check_clear(clear_blocks, 8 * 8 * 6);