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FFmpeg/libavcodec/jpegtables.h
Andreas Rheinhardt c9d0ba9a60 avcodec/jpegtables: Mark jpegtables as hidden
These tables are not exported as avpriv symbols, but instead
included into every library using them. Therefore they
can be mark with the hidden elf visibility. For certain arches
this is necessary in order to avoid building suboptimal code;
for other arches it just allows the compiler to simplify accesses
like ff_mjpeg_bits_dc_luminance + 1 because the "+ 1" can be baked
into the offset.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2022-10-18 15:44:29 +02:00

42 lines
1.3 KiB
C

/*
* JPEG-related tables
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_JPEGTABLES_H
#define AVCODEC_JPEGTABLES_H
#include <stdint.h>
#include "libavutil/attributes_internal.h"
FF_VISIBILITY_PUSH_HIDDEN
extern const uint8_t ff_mjpeg_bits_dc_luminance[];
extern const uint8_t ff_mjpeg_val_dc[];
extern const uint8_t ff_mjpeg_bits_dc_chrominance[];
extern const uint8_t ff_mjpeg_bits_ac_luminance[];
extern const uint8_t ff_mjpeg_val_ac_luminance[];
extern const uint8_t ff_mjpeg_bits_ac_chrominance[];
extern const uint8_t ff_mjpeg_val_ac_chrominance[];
FF_VISIBILITY_POP_HIDDEN
#endif /* AVCODEC_JPEGTABLES_H */