FFmpeg
libavutil
tests
adler32.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
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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// LCOV_EXCL_START
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#include "
libavutil/timer.h
"
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#include <string.h>
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#include "
libavutil/log.h
"
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#include "
libavutil/adler32.h
"
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#define LEN 7001
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int
main
(
int
argc,
char
**argv)
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{
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int
i
;
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uint8_t
data
[
LEN
];
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AVAdler
checksum;
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av_log_set_level
(
AV_LOG_DEBUG
);
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for
(
i
= 0;
i
<
LEN
;
i
++)
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data
[
i
] = ((
i
*
i
) >> 3) + 123 *
i
;
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if
(argc > 1 && !strcmp(argv[1],
"-t"
)) {
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for
(
i
= 0;
i
< 1000;
i
++) {
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START_TIMER
;
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checksum =
av_adler32_update
(1,
data
,
LEN
);
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STOP_TIMER
(
"adler"
);
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}
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}
else
{
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checksum =
av_adler32_update
(1,
data
,
LEN
);
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}
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av_log
(
NULL
,
AV_LOG_DEBUG
,
"%X (expected 50E6E508)\n"
, checksum);
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return
checksum == 0x50e6e508 ? 0 : 1;
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}
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// LCOV_EXCL_STOP
data
const char data[16]
Definition:
mxf.c:149
START_TIMER
#define START_TIMER
Definition:
timer.h:165
AV_LOG_DEBUG
#define AV_LOG_DEBUG
Stuff which is only useful for libav* developers.
Definition:
log.h:230
LEN
#define LEN
Definition:
adler32.c:28
NULL
#define NULL
Definition:
coverity.c:32
timer.h
adler32.h
av_adler32_update
AVAdler av_adler32_update(AVAdler adler, const uint8_t *buf, size_t len)
Calculate the Adler32 checksum of a buffer.
Definition:
adler32.c:44
main
int main(int argc, char **argv)
Definition:
adler32.c:30
av_log_set_level
void av_log_set_level(int level)
Set the log level.
Definition:
log.c:447
log.h
i
#define i(width, name, range_min, range_max)
Definition:
cbs_h2645.c:256
AVAdler
uint32_t AVAdler
Definition:
adler32.h:42
av_log
#define av_log(a,...)
Definition:
tableprint_vlc.h:27
STOP_TIMER
#define STOP_TIMER(id)
Definition:
timer.h:166
Generated on Mon Dec 9 2024 19:22:48 for FFmpeg by
1.8.17