1 /*
2 * Copyright (c) 2016 Alexandra Hájková
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
23 #include "libavutil/common.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/mem.h"
26
27 #include "libavcodec/huffyuvdsp.h"
28
29 #include "checkasm.h"
30
31 #define randomize_buffers(buf, size) \
32 do { \
33 int j; \
34 for (j = 0; j < size; j++) \
35 buf[j] = rnd() & 0xFFFF; \
36 } while (0)
37
check_add_int16(HuffYUVDSPContext c,unsigned mask,int width,const char * name)38 static void check_add_int16(HuffYUVDSPContext c, unsigned mask, int width, const char * name)
39 {
40 uint16_t *src0 = av_mallocz(width * sizeof(uint16_t));
41 uint16_t *src1 = av_mallocz(width * sizeof(uint16_t));
42 uint16_t *dst0 = av_mallocz(width * sizeof(uint16_t));
43 uint16_t *dst1 = av_mallocz(width * sizeof(uint16_t));
44
45 declare_func_emms(AV_CPU_FLAG_MMX, void, uint16_t *dst, uint16_t *src, unsigned mask, int w);
46
47 if (!src0 || !src1 || !dst0 || !dst1)
48 fail();
49
50 randomize_buffers(src0, width);
51 memcpy(src1, src0, width * sizeof(uint16_t));
52
53 if (check_func(c.add_int16, "%s", name)) {
54 call_ref(dst0, src0, mask, width);
55 call_new(dst1, src1, mask, width);
56 if (memcmp(dst0, dst1, width * sizeof(uint16_t)))
57 fail();
58 bench_new(dst1, src1, mask, width);
59 }
60
61 av_free(src0);
62 av_free(src1);
63 av_free(dst0);
64 av_free(dst1);
65 }
66
checkasm_check_huffyuvdsp(void)67 void checkasm_check_huffyuvdsp(void)
68 {
69 HuffYUVDSPContext c;
70 int width = 16 * av_clip(rnd(), 16, 128);
71
72 ff_huffyuvdsp_init(&c, AV_PIX_FMT_YUV422P);
73
74 /*! test width not multiple of mmsize */
75 check_add_int16(c, 65535, width, "add_int16_rnd_width");
76 report("add_int16_rnd_width");
77
78 /*! test always with the same size (for perf test) */
79 check_add_int16(c, 65535, 16*128, "add_int16_128");
80 report("add_int16_128");
81 }
82