FFmpeg  4.4.6
llviddspenc.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 #include "libavutil/mem_internal.h"
27 
29 
30 #include "checkasm.h"
31 
32 #define randomize_buffers(buf, size) \
33  do { \
34  int j; \
35  for (j = 0; j < size; j+=4) \
36  AV_WN32(buf + j, rnd()); \
37  } while (0)
38 
39 static const struct {uint8_t w, h, s;} planes[] = {
40  {16,16,16}, {21,23,25}, {32,17,48}, {15,128,16}, {128,127,128}
41 };
42 
43 #define MAX_STRIDE 128
44 #define MAX_HEIGHT 127
45 
47 {
48  int i;
55 
57  const uint8_t *src2, intptr_t w);
58 
59  memset(dst0, 0, MAX_STRIDE);
60  memset(dst1, 0, MAX_STRIDE);
62  memcpy(src1, src0, MAX_STRIDE);
64  memcpy(src3, src2, MAX_STRIDE);
65 
66  if (check_func(c->diff_bytes, "diff_bytes")) {
67  for (i = 0; i < 5; i ++) {
68  call_ref(dst0, src0, src2, planes[i].w);
69  call_new(dst1, src1, src3, planes[i].w);
70  if (memcmp(dst0, dst1, planes[i].w))
71  fail();
72  }
73  bench_new(dst1, src0, src2, planes[4].w);
74  }
75 }
76 
78 {
79  int i;
84 
86  ptrdiff_t stride, ptrdiff_t width, int height);
87 
88  memset(dst0, 0, MAX_STRIDE * MAX_HEIGHT);
89  memset(dst1, 0, MAX_STRIDE * MAX_HEIGHT);
91  memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT);
92 
93  if (check_func(c->sub_left_predict, "sub_left_predict")) {
94  for (i = 0; i < 5; i ++) {
95  call_ref(dst0, src0, planes[i].s, planes[i].w, planes[i].h);
96  call_new(dst1, src1, planes[i].s, planes[i].w, planes[i].h);
97  if (memcmp(dst0, dst1, planes[i].w * planes[i].h))
98  fail();
99  break;
100  }
101  bench_new(dst1, src0, planes[4].s, planes[4].w, planes[4].h);
102  }
103 }
104 
106 {
109 
111  report("diff_bytes");
112 
114  report("sub_left_predict");
115 }
uint8_t
#define call_new(...)
Definition: checkasm.h:211
#define declare_func_emms(cpu_flags, ret,...)
Definition: checkasm.h:130
#define check_func(func,...)
Definition: checkasm.h:124
#define call_ref(...)
Definition: checkasm.h:139
#define fail()
Definition: checkasm.h:133
#define report
Definition: checkasm.h:136
#define bench_new(...)
Definition: checkasm.h:271
common internal and external API header
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:31
int i
Definition: input.c:407
static void check_sub_left_pred(LLVidEncDSPContext *c)
Definition: llviddspenc.c:77
uint8_t h
Definition: llviddspenc.c:39
void checkasm_check_llviddspenc(void)
Definition: llviddspenc.c:105
uint8_t s
Definition: llviddspenc.c:39
#define randomize_buffers(buf, size)
Definition: llviddspenc.c:32
static void check_diff_bytes(LLVidEncDSPContext *c)
Definition: llviddspenc.c:46
#define MAX_HEIGHT
Definition: llviddspenc.c:44
uint8_t w
Definition: llviddspenc.c:39
#define MAX_STRIDE
Definition: llviddspenc.c:43
static const struct @322 planes[]
av_cold void ff_llvidencdsp_init(LLVidEncDSPContext *c)
int stride
Definition: mace.c:144
Memory handling functions.
#define LOCAL_ALIGNED_32(t, v,...)
Definition: mem_internal.h:136
#define src1
Definition: h264pred.c:140
#define src0
Definition: h264pred.c:139
#define src
Definition: vp8dsp.c:255
#define height
#define width
static double c[64]