FFmpeg
tests
checkasm
fdctdsp.c
Go to the documentation of this file.
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string.h>
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#include "
checkasm.h
"
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#include "
libavcodec/avcodec.h
"
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#include "
libavcodec/fdctdsp.h
"
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#include "
libavutil/common.h
"
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#include "
libavutil/internal.h
"
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#include "
libavutil/mem_internal.h
"
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static
int
int16_cmp_off_by_n
(
const
int16_t *
ref
,
const
int16_t *
test
,
size_t
n,
int
accuracy)
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{
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for
(
size_t
i
= 0;
i
< n;
i
++) {
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if
(
abs
(
ref
[
i
] -
test
[
i
]) > accuracy)
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return
1;
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}
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return
0;
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}
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static
void
check_fdct
(
void
)
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{
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LOCAL_ALIGNED_16
(int16_t, block0, [64]);
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LOCAL_ALIGNED_16
(int16_t,
block1
, [64]);
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AVCodecContext
avctx = {
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.
bits_per_raw_sample
= 8,
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.dct_algo =
FF_DCT_AUTO
,
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};
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FDCTDSPContext
h
;
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ff_fdctdsp_init
(&
h
, &avctx);
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if
(
check_func
(
h
.fdct,
"fdct"
)) {
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declare_func
(
void
, int16_t *);
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for
(
int
i
= 0;
i
< 64;
i
++) {
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uint8_t
r
=
rnd
();
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block0[
i
] =
r
;
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block1
[
i
] =
r
;
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}
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call_ref
(block0);
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call_new
(
block1
);
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if
(
int16_cmp_off_by_n
(block0,
block1
, 64, 2))
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fail
();
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bench_new
(
block1
);
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}
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}
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void
checkasm_check_fdctdsp
(
void
)
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{
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check_fdct
();
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report
(
"fdctdsp"
);
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}
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:180
test
Definition:
idctdsp.c:35
call_ref
#define call_ref(...)
Definition:
checkasm.h:195
FDCTDSPContext
Definition:
fdctdsp.h:28
fail
#define fail()
Definition:
checkasm.h:189
checkasm.h
rnd
#define rnd()
Definition:
checkasm.h:173
LOCAL_ALIGNED_16
#define LOCAL_ALIGNED_16(t, v,...)
Definition:
mem_internal.h:128
AVCodecContext::bits_per_raw_sample
int bits_per_raw_sample
Bits per sample/pixel of internal libavcodec pixel/sample format.
Definition:
avcodec.h:1585
call_new
#define call_new(...)
Definition:
checkasm.h:298
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:192
bench_new
#define bench_new(...)
Definition:
checkasm.h:369
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:451
FF_DCT_AUTO
#define FF_DCT_AUTO
Definition:
avcodec.h:1545
ref
static int ref[MAX_W *MAX_W]
Definition:
jpeg2000dwt.c:117
declare_func
#define declare_func(ret,...)
Definition:
checkasm.h:184
h
h
Definition:
vp9dsp_template.c:2070
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