avcodec/mpegaudio(data|dsp): Mark symbols as hidden

Avoids .got entries for ff_mpa_bitrate_tab, ff_mpa_synth_window_fixed,
ff_band_size_long, ff_mpa_pretab, ff_band_size_short,
ff_mpa_synth_window_float and ff_band_index_long here.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>

libavcodec/mpegaudiodata.h

@@ -31,11 +31,13 @@
 
 #include "config.h"
 
+#include "libavutil/attributes_internal.h"
 #include "vlc.h"
 
 #define MODE_EXT_MS_STEREO 2
 #define MODE_EXT_I_STEREO  1
 
+FF_VISIBILITY_PUSH_HIDDEN
 extern const uint16_t ff_mpa_bitrate_tab[2][3][15];
 extern const uint16_t ff_mpa_freq_tab[3];
 extern const int ff_mpa_sblimit_table[5];
@@ -78,5 +80,6 @@ extern const uint8_t ff_mpa_pretab[2][22];
 /* Initialize tables shared between the fixed and
  * floating point MPEG audio decoders. */
 void ff_mpegaudiodec_common_init_static(void);
+FF_VISIBILITY_POP_HIDDEN
 
 #endif /* AVCODEC_MPEGAUDIODATA_H */

libavcodec/mpegaudiodsp.h

@@ -22,6 +22,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include "libavutil/attributes_internal.h"
 #include "libavutil/macros.h"
 
 typedef struct MPADSPContext {
@@ -40,6 +41,7 @@ typedef struct MPADSPContext {
                                  int count, int switch_point, int block_type);
 } MPADSPContext;
 
+FF_VISIBILITY_PUSH_HIDDEN
 void ff_mpadsp_init(MPADSPContext *s);
 
 extern int32_t ff_mpa_synth_window_fixed[];
@@ -88,5 +90,6 @@ void ff_imdct36_blocks_fixed(int *out, int *buf, int *in,
 
 extern int ff_mdct_win_fixed[8][MDCT_BUF_SIZE];
 extern float ff_mdct_win_float[8][MDCT_BUF_SIZE];
+FF_VISIBILITY_POP_HIDDEN
 
 #endif /* AVCODEC_MPEGAUDIODSP_H */