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avcodec/jpegtables: Mark jpegtables as hidden

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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>
This commit is contained in:
Andreas Rheinhardt 2022-10-14 17:29:41 +02:00
parent ff2c37d449
commit c9d0ba9a60
1 changed files with 4 additions and 0 deletions
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4
libavcodec/jpegtables.h
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@ -23,6 +23,9 @@
#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[];
@ -33,5 +36,6 @@ 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 */