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avcodec/mpegvideodata: Mark tables as hidden

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This e.g. allows compilers to bake the offset implied
by using ff_mpeg12_dc_scale_table[3] (as the SpeedHQ encoder
does) into the general offset; for certain arches this is
also necessary in order to avoid building suboptimal code.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-10-28 12:08:20 +02:00
parent 908b7fcfb2
commit 700a39e63c
1 changed files with 4 additions and 0 deletions
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4
libavcodec/mpegvideodata.h
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@ -21,6 +21,9 @@
#include <stdint.h>
#include "libavutil/attributes_internal.h"
FF_VISIBILITY_PUSH_HIDDEN
/* encoding scans */
extern const uint8_t ff_alternate_horizontal_scan[64];
extern const uint8_t ff_alternate_vertical_scan[64];
@ -31,5 +34,6 @@ static const uint8_t *const ff_mpeg1_dc_scale_table = ff_mpeg12_dc_scale_table[0
extern const uint8_t ff_mpeg2_non_linear_qscale[32];
extern const uint8_t ff_default_chroma_qscale_table[32];
FF_VISIBILITY_POP_HIDDEN
#endif /* AVCODEC_MPEGVIDEODATA_H */