avcodec/ituh263dec: Only initialize ff_h263_rl_inter when needed

The H.263 decoder itself does not need max_run/max_level
of this RLTable, only the MPEG-4 decoder does.

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

libavcodec/ituh263dec.c

@@ -123,7 +123,6 @@ static av_cold void h263_decode_init_vlc(void)
     VLC_INIT_STATIC_TABLE(ff_h263_mv_vlc, H263_MV_VLC_BITS, 33,
                           &ff_mvtab[0][1], 2, 1,
                           &ff_mvtab[0][0], 2, 1, 0);
-    ff_h263_init_rl_inter();
     VLC_INIT_RL(ff_h263_rl_inter, 554);
     INIT_FIRST_VLC_RL(ff_rl_intra_aic, 554);
     VLC_INIT_STATIC_SPARSE_TABLE(h263_mbtype_b_vlc, H263_MBTYPE_B_VLC_BITS, 15,

libavcodec/mpeg4videodec.c

@@ -3962,6 +3962,7 @@ static av_cold void mpeg4_init_static(void)
 
     static uint8_t mpeg4_rl_intra_table[2][2 * MAX_RUN + MAX_LEVEL + 3];
     ff_rl_init(&ff_mpeg4_rl_intra, mpeg4_rl_intra_table);
+    ff_h263_init_rl_inter();
 
     INIT_FIRST_VLC_RL(ff_mpeg4_rl_intra, 554);
     VLC_INIT_RL(ff_rvlc_rl_inter, 1072);