FFmpeg
exrdsp.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2017 James Almer
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 "checkasm.h"
24 #include "libavcodec/avcodec.h"
25 #include "libavcodec/exrdsp.h"
26 #include "libavutil/intreadwrite.h"
27 #include "libavutil/mem_internal.h"
28 
29 #define BUF_SIZE 5120
30 #define PADDED_BUF_SIZE BUF_SIZE+AV_INPUT_BUFFER_PADDING_SIZE*2
31 
32 #define randomize_buffers() \
33  do { \
34  int i; \
35  for (i = 0; i < BUF_SIZE; i += 4) { \
36  uint32_t r = rnd(); \
37  AV_WN32A(src + i, r); \
38  } \
39  } while (0)
40 
41 static void check_reorder_pixels(void) {
43  LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]);
44  LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]);
45 
46  declare_func(void, uint8_t *dst, const uint8_t *src, ptrdiff_t size);
47 
48  memset(src, 0, PADDED_BUF_SIZE);
49  memset(dst_ref, 0, PADDED_BUF_SIZE);
50  memset(dst_new, 0, PADDED_BUF_SIZE);
52  call_ref(dst_ref, src, BUF_SIZE);
53  call_new(dst_new, src, BUF_SIZE);
54  if (memcmp(dst_ref, dst_new, BUF_SIZE))
55  fail();
56  bench_new(dst_new, src, BUF_SIZE);
57 }
58 
59 static void check_predictor(void) {
61  LOCAL_ALIGNED_32(uint8_t, dst_ref, [PADDED_BUF_SIZE]);
62  LOCAL_ALIGNED_32(uint8_t, dst_new, [PADDED_BUF_SIZE]);
63 
64  declare_func(void, uint8_t *src, ptrdiff_t size);
65 
66  memset(src, 0, PADDED_BUF_SIZE);
68  memcpy(dst_ref, src, PADDED_BUF_SIZE);
69  memcpy(dst_new, src, PADDED_BUF_SIZE);
70  call_ref(dst_ref, BUF_SIZE);
71  call_new(dst_new, BUF_SIZE);
72  if (memcmp(dst_ref, dst_new, BUF_SIZE))
73  fail();
74  bench_new(dst_new, BUF_SIZE);
75 }
76 
78 {
80 
81  ff_exrdsp_init(&h);
82 
83  if (check_func(h.reorder_pixels, "reorder_pixels"))
85 
86  report("reorder_pixels");
87 
88  if (check_func(h.predictor, "predictor"))
90 
91  report("predictor");
92 }
mem_internal.h
randomize_buffers
#define randomize_buffers()
Definition: exrdsp.c:32
check_func
#define check_func(func,...)
Definition: checkasm.h:125
call_ref
#define call_ref(...)
Definition: checkasm.h:140
fail
#define fail()
Definition: checkasm.h:134
checkasm.h
check_predictor
static void check_predictor(void)
Definition: exrdsp.c:59
checkasm_check_exrdsp
void checkasm_check_exrdsp(void)
Definition: exrdsp.c:77
ExrDSPContext
Definition: exrdsp.h:25
intreadwrite.h
BUF_SIZE
#define BUF_SIZE
Definition: exrdsp.c:29
call_new
#define call_new(...)
Definition: checkasm.h:212
exrdsp.h
LOCAL_ALIGNED_32
#define LOCAL_ALIGNED_32(t, v,...)
Definition: mem_internal.h:136
src
#define src
Definition: vp8dsp.c:255
ff_exrdsp_init
av_cold void ff_exrdsp_init(ExrDSPContext *c)
Definition: exrdsp.c:49
size
int size
Definition: twinvq_data.h:10344
report
#define report
Definition: checkasm.h:137
bench_new
#define bench_new(...)
Definition: checkasm.h:272
PADDED_BUF_SIZE
#define PADDED_BUF_SIZE
Definition: exrdsp.c:30
avcodec.h
check_reorder_pixels
static void check_reorder_pixels(void)
Definition: exrdsp.c:41
declare_func
#define declare_func(ret,...)
Definition: checkasm.h:129
h
h
Definition: vp9dsp_template.c:2038