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huffyuvdsp.c
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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 
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 
68 {
70  int width = 16 * av_clip(rnd(), 16, 128);
71 
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 }
Memory handling functions.
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition: mem.c:236
#define src
Definition: vp8dsp.c:254
#define report
Definition: checkasm.h:120
static const uint16_t mask[17]
Definition: lzw.c:38
#define fail()
Definition: checkasm.h:117
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:70
#define width
uint8_t w
Definition: llviddspenc.c:38
void checkasm_check_huffyuvdsp(void)
Definition: huffyuvdsp.c:67
#define declare_func_emms(cpu_flags, ret,...)
Definition: checkasm.h:114
static void check_add_int16(HuffYUVDSPContext c, unsigned mask, int width, const char *name)
Definition: huffyuvdsp.c:38
#define randomize_buffers(buf, size)
Definition: huffyuvdsp.c:31
#define call_ref(...)
Definition: checkasm.h:123
#define src1
Definition: h264pred.c:139
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:31
#define check_func(func,...)
Definition: checkasm.h:108
av_cold void ff_huffyuvdsp_init(HuffYUVDSPContext *c, enum AVPixelFormat pix_fmt)
Definition: huffyuvdsp.c:83
#define src0
Definition: h264pred.c:138
common internal and external API header
static double c[64]
#define rnd()
Definition: checkasm.h:101
#define av_free(p)
#define bench_new(...)
Definition: checkasm.h:250
void(* add_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w)
Definition: huffyuvdsp.h:39
#define call_new(...)
Definition: checkasm.h:190
const char * name
Definition: opengl_enc.c:103