FFmpeg  4.0
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 
28 
29 #include "checkasm.h"
30 
31 #define randomize_buffers(buf, size) \
32  do { \
33  int j; \
34  for (j = 0; j < size; j+=4) \
35  AV_WN32(buf + j, rnd()); \
36  } while (0)
37 
38 static const struct {uint8_t w, h, s;} planes[] = {
39  {16,16,16}, {21,23,25}, {32,17,48}, {15,128,16}, {128,127,128}
40 };
41 
42 #define MAX_STRIDE 128
43 #define MAX_HEIGHT 127
44 
46 {
47  int i;
54 
56  const uint8_t *src2, intptr_t w);
57 
58  memset(dst0, 0, MAX_STRIDE);
59  memset(dst1, 0, MAX_STRIDE);
61  memcpy(src1, src0, MAX_STRIDE);
63  memcpy(src3, src2, MAX_STRIDE);
64 
65  if (check_func(c->diff_bytes, "diff_bytes")) {
66  for (i = 0; i < 5; i ++) {
67  call_ref(dst0, src0, src2, planes[i].w);
68  call_new(dst1, src1, src3, planes[i].w);
69  if (memcmp(dst0, dst1, planes[i].w))
70  fail();
71  }
72  bench_new(dst1, src0, src2, planes[4].w);
73  }
74 }
75 
77 {
78  int i;
80  LOCAL_ALIGNED_32(uint8_t, dst1, [MAX_STRIDE * MAX_HEIGHT]);
81  LOCAL_ALIGNED_32(uint8_t, src0, [MAX_STRIDE * MAX_HEIGHT]);
82  LOCAL_ALIGNED_32(uint8_t, src1, [MAX_STRIDE * MAX_HEIGHT]);
83 
85  ptrdiff_t stride, ptrdiff_t width, int height);
86 
87  memset(dst0, 0, MAX_STRIDE * MAX_HEIGHT);
88  memset(dst1, 0, MAX_STRIDE * MAX_HEIGHT);
89  randomize_buffers(src0, MAX_STRIDE * MAX_HEIGHT);
90  memcpy(src1, src0, MAX_STRIDE * MAX_HEIGHT);
91 
92  if (check_func(c->sub_left_predict, "sub_left_predict")) {
93  for (i = 0; i < 5; i ++) {
94  call_ref(dst0, src0, planes[i].s, planes[i].w, planes[i].h);
95  call_new(dst1, src1, planes[i].s, planes[i].w, planes[i].h);
96  if (memcmp(dst0, dst1, planes[i].w * planes[i].h))
97  fail();
98  break;
99  }
100  bench_new(dst1, src0, planes[4].s, planes[4].w, planes[4].h);
101  }
102 }
103 
105 {
108 
109  check_diff_bytes(&c);
110  report("diff_bytes");
111 
113  report("sub_left_predict");
114 }
static void check_diff_bytes(LLVidEncDSPContext *c)
Definition: llviddspenc.c:45
Memory handling functions.
#define MAX_STRIDE
Definition: llviddspenc.c:42
#define MAX_HEIGHT
Definition: llviddspenc.c:43
#define src
Definition: vp8dsp.c:254
int stride
Definition: mace.c:144
#define report
Definition: checkasm.h:119
av_cold void ff_llvidencdsp_init(LLVidEncDSPContext *c)
uint8_t
void(* diff_bytes)(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, intptr_t w)
#define height
uint8_t h
Definition: llviddspenc.c:38
uint16_t width
Definition: gdv.c:47
#define fail()
Definition: checkasm.h:116
uint8_t s
Definition: llviddspenc.c:38
uint8_t w
Definition: llviddspenc.c:38
#define declare_func_emms(cpu_flags, ret,...)
Definition: checkasm.h:113
static void check_sub_left_pred(LLVidEncDSPContext *c)
Definition: llviddspenc.c:76
#define call_ref(...)
Definition: checkasm.h:122
#define src1
Definition: h264pred.c:139
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:31
#define check_func(func,...)
Definition: checkasm.h:107
#define src0
Definition: h264pred.c:138
#define LOCAL_ALIGNED_32(t, v,...)
Definition: internal.h:137
common internal and external API header
static double c[64]
static const struct @272 planes[]
void checkasm_check_llviddspenc(void)
Definition: llviddspenc.c:104
#define randomize_buffers(buf, size)
Definition: llviddspenc.c:31
#define bench_new(...)
Definition: checkasm.h:249
#define call_new(...)
Definition: checkasm.h:189
void(* sub_left_predict)(uint8_t *dst, uint8_t *src, ptrdiff_t stride, ptrdiff_t width, int height)