FFmpeg
blockdsp.c
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1 /*
2  * Copyright (c) 2015 Henrik Gramner
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 
25 #include "libavcodec/blockdsp.h"
26 
27 #include "libavutil/common.h"
28 #include "libavutil/internal.h"
29 #include "libavutil/intreadwrite.h"
30 #include "libavutil/mem_internal.h"
31 
32 #define randomize_buffers(size) \
33  do { \
34  int i; \
35  for (i = 0; i < size; i++) { \
36  uint16_t r = rnd(); \
37  AV_WN16A(buf0 + i, r); \
38  AV_WN16A(buf1 + i, r); \
39  } \
40  } while (0)
41 
42 #define check_clear(func, size) \
43 do { \
44  if (check_func(h.func, "blockdsp." #func)) { \
45  declare_func(void, int16_t *block); \
46  randomize_buffers(size); \
47  call_ref(buf0); \
48  call_new(buf1); \
49  if (memcmp(buf0, buf1, sizeof(*buf0) * size)) \
50  fail(); \
51  bench_new(buf0); \
52  } \
53 } while (0)
54 
56  LOCAL_ALIGNED_16(uint8_t, buf0_16, [16 * 16]);
57  LOCAL_ALIGNED_16(uint8_t, buf1_16, [16 * 16]);
58 
59  for (int t = 0; t < 2; ++t) {
60  uint8_t *buf0 = buf0_16 + t * /* force 8 byte alignment */ 8;
61  uint8_t *buf1 = buf1_16 + t * /* force 8 byte alignment */ 8;
62  int n = 16 - 8 * t;
63  declare_func(void, uint8_t *block, uint8_t value,
64  ptrdiff_t line_size, int h);
65  if (check_func(h->fill_block_tab[t], "blockdsp.fill_block_tab[%d]", t)) {
66  uint8_t value = rnd();
67  memset(buf0, 0, sizeof(*buf0) * n * n);
68  memset(buf1, 0, sizeof(*buf1) * n * n);
69  call_ref(buf0, value, n, n);
70  call_new(buf1, value, n, n);
71  if (memcmp(buf0, buf1, sizeof(*buf0) * n * n))
72  fail();
73  bench_new(buf0, value, n, n);
74  }
75  }
76 }
77 
79 {
80  LOCAL_ALIGNED_32(uint16_t, buf0, [6 * 8 * 8]);
81  LOCAL_ALIGNED_32(uint16_t, buf1, [6 * 8 * 8]);
82 
84 
86 
87  check_clear(clear_block, 8 * 8);
88  check_clear(clear_blocks, 8 * 8 * 6);
89 
90  check_fill(&h);
91 
92  report("blockdsp");
93 }
checkasm_check_blockdsp
void checkasm_check_blockdsp(void)
Definition: blockdsp.c:78
blockdsp.h
mem_internal.h
check_func
#define check_func(func,...)
Definition: checkasm.h:173
call_ref
#define call_ref(...)
Definition: checkasm.h:188
BlockDSPContext
Definition: blockdsp.h:32
fail
#define fail()
Definition: checkasm.h:182
checkasm.h
rnd
#define rnd()
Definition: checkasm.h:166
ff_blockdsp_init
av_cold void ff_blockdsp_init(BlockDSPContext *c)
Definition: blockdsp.c:58
intreadwrite.h
LOCAL_ALIGNED_16
#define LOCAL_ALIGNED_16(t, v,...)
Definition: mem_internal.h:150
call_new
#define call_new(...)
Definition: checkasm.h:291
LOCAL_ALIGNED_32
#define LOCAL_ALIGNED_32(t, v,...)
Definition: mem_internal.h:156
check_fill
static void check_fill(BlockDSPContext *h)
Definition: blockdsp.c:55
report
#define report
Definition: checkasm.h:185
bench_new
#define bench_new(...)
Definition: checkasm.h:361
internal.h
common.h
value
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf default value
Definition: writing_filters.txt:86
check_clear
#define check_clear(func, size)
Definition: blockdsp.c:42
declare_func
#define declare_func(ret,...)
Definition: checkasm.h:177
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition: filter_design.txt:207
h
h
Definition: vp9dsp_template.c:2038