2 * Copyright (c) 2016 Alexandra Hájková
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.
23 #include "libavutil/common.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/mem.h"
27 #include "libavcodec/lossless_videodsp.h"
31 #define randomize_buffers(buf, size) \
34 for (j = 0; j < size; j++) \
35 buf[j] = rnd() & 0xFF; \
38 static void check_add_bytes(LLVidDSPContext c, int width)
40 uint8_t *src0 = av_mallocz(width);
41 uint8_t *src1 = av_mallocz(width);
42 uint8_t *dst0 = av_mallocz(width);
43 uint8_t *dst1 = av_mallocz(width);
44 declare_func_emms(AV_CPU_FLAG_MMX, void, uint8_t *dst, uint8_t *src, ptrdiff_t w);
46 if (!src0 || !src1 || !dst0 || !dst1)
49 randomize_buffers(src0, width);
50 memcpy(src1, src0, width);
52 if (check_func(c.add_bytes, "add_bytes")) {
53 call_ref(dst0, src0, width);
54 call_new(dst1, src1, width);
55 if (memcmp(dst0, dst1, width))
57 bench_new(dst1, src1, width);
66 void checkasm_check_llviddsp(void)
69 int width = 16 * av_clip(rnd(), 16, 128);
73 check_add_bytes(c, width);