FFmpeg
tests
checkasm
fdctdsp.c
Go to the documentation of this file.
1
/*
2
* This file is part of FFmpeg.
3
*
4
* FFmpeg is free software; you can redistribute it and/or modify
5
* it under the terms of the GNU General Public License as published by
6
* the Free Software Foundation; either version 2 of the License, or
7
* (at your option) any later version.
8
*
9
* FFmpeg is distributed in the hope that it will be useful,
10
* but WITHOUT ANY WARRANTY; without even the implied warranty of
11
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12
* GNU General Public License for more details.
13
*
14
* You should have received a copy of the GNU General Public License along
15
* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
16
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17
*/
18
19
#include <string.h>
20
21
#include "
checkasm.h
"
22
23
#include "
libavcodec/avcodec.h
"
24
#include "
libavcodec/fdctdsp.h
"
25
26
#include "
libavutil/common.h
"
27
#include "
libavutil/internal.h
"
28
#include "
libavutil/mem_internal.h
"
29
30
static
int
int16_cmp_off_by_n
(
const
int16_t *
ref
,
const
int16_t *
test
,
size_t
n,
int
accuracy)
31
{
32
for
(
size_t
i
= 0;
i
< n;
i
++) {
33
if
(
abs
(
ref
[
i
] -
test
[
i
]) > accuracy)
34
return
1;
35
}
36
return
0;
37
}
38
39
static
void
check_fdct
(
void
)
40
{
41
LOCAL_ALIGNED_16
(int16_t, block0, [64]);
42
LOCAL_ALIGNED_16
(int16_t,
block1
, [64]);
43
44
AVCodecContext
avctx = {
45
.
bits_per_raw_sample
= 8,
46
.dct_algo =
FF_DCT_AUTO
,
47
};
48
FDCTDSPContext
h
;
49
50
ff_fdctdsp_init
(&
h
, &avctx);
51
52
if
(
check_func
(
h
.fdct,
"fdct"
)) {
53
declare_func
(
void
, int16_t *);
54
for
(
int
i
= 0;
i
< 64;
i
++) {
55
uint8_t
r
=
rnd
();
56
block0[
i
] =
r
;
57
block1
[
i
] =
r
;
58
}
59
call_ref
(block0);
60
call_new
(
block1
);
61
if
(
int16_cmp_off_by_n
(block0,
block1
, 64, 2))
62
fail
();
63
bench_new
(
block1
);
64
}
65
}
66
67
void
checkasm_check_fdctdsp
(
void
)
68
{
69
check_fdct
();
70
report
(
"fdctdsp"
);
71
}
checkasm_check_fdctdsp
void checkasm_check_fdctdsp(void)
Definition:
fdctdsp.c:67
r
const char * r
Definition:
vf_curves.c:127
mem_internal.h
check_fdct
static void check_fdct(void)
Definition:
fdctdsp.c:39
check_func
#define check_func(func,...)
Definition:
checkasm.h:179
test
Definition:
idctdsp.c:35
call_ref
#define call_ref(...)
Definition:
checkasm.h:194
FDCTDSPContext
Definition:
fdctdsp.h:28
fail
#define fail()
Definition:
checkasm.h:188
checkasm.h
rnd
#define rnd()
Definition:
checkasm.h:172
LOCAL_ALIGNED_16
#define LOCAL_ALIGNED_16(t, v,...)
Definition:
mem_internal.h:150
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition:
avcodec.h:1579
call_new
#define call_new(...)
Definition:
checkasm.h:297
abs
#define abs(x)
Definition:
cuda_runtime.h:35
int16_cmp_off_by_n
static int int16_cmp_off_by_n(const int16_t *ref, const int16_t *test, size_t n, int accuracy)
Definition:
fdctdsp.c:30
block1
static int16_t block1[64]
Definition:
dct.c:120
report
#define report
Definition:
checkasm.h:191
bench_new
#define bench_new(...)
Definition:
checkasm.h:368
i
#define i(width, name, range_min, range_max)
Definition:
cbs_h2645.c:256
ff_fdctdsp_init
av_cold void ff_fdctdsp_init(FDCTDSPContext *c, AVCodecContext *avctx)
Definition:
fdctdsp.c:25
internal.h
common.h
fdctdsp.h
avcodec.h
AVCodecContext
main external API structure.
Definition:
avcodec.h:445
FF_DCT_AUTO
#define FF_DCT_AUTO
Definition:
avcodec.h:1539
ref
static int ref[MAX_W *MAX_W]
Definition:
jpeg2000dwt.c:112
declare_func
#define declare_func(ret,...)
Definition:
checkasm.h:183
h
h
Definition:
vp9dsp_template.c:2070
Generated on Sat Sep 7 2024 19:21:39 for FFmpeg by
1.8.17