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Code Issues Releases Activity

avcodec/msmpeg4dec: Avoid duplication of VLC init code

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Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2021-04-08 21:01:05 +02:00
parent 492be8909e
commit e9bcb08794
1 changed files with 10 additions and 12 deletions
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22
libavcodec/msmpeg4dec.c
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@ -356,18 +356,16 @@ av_cold int ff_msmpeg4_decode_init(AVCodecContext *avctx)
&ff_v2_mb_type[0][1], 2, 1,
&ff_v2_mb_type[0][0], 2, 1, 128);
INIT_VLC_STATIC(&ff_mb_non_intra_vlc[0], MB_NON_INTRA_VLC_BITS, 128,
&ff_wmv2_inter_table[0][0][1], 8, 4,
&ff_wmv2_inter_table[0][0][0], 8, 4, 1636);
INIT_VLC_STATIC(&ff_mb_non_intra_vlc[1], MB_NON_INTRA_VLC_BITS, 128,
&ff_wmv2_inter_table[1][0][1], 8, 4,
&ff_wmv2_inter_table[1][0][0], 8, 4, 2648);
INIT_VLC_STATIC(&ff_mb_non_intra_vlc[2], MB_NON_INTRA_VLC_BITS, 128,
&ff_wmv2_inter_table[2][0][1], 8, 4,
&ff_wmv2_inter_table[2][0][0], 8, 4, 1532);
INIT_VLC_STATIC(&ff_mb_non_intra_vlc[3], MB_NON_INTRA_VLC_BITS, 128,
&ff_wmv2_inter_table[3][0][1], 8, 4,
&ff_wmv2_inter_table[3][0][0], 8, 4, 2488);
for (unsigned i = 0, offset = 0; i < 4; i++) {
static VLC_TYPE vlc_buf[1636 + 2648 + 1532 + 2488][2];
ff_mb_non_intra_vlc[i].table = &vlc_buf[offset];
ff_mb_non_intra_vlc[i].table_allocated = FF_ARRAY_ELEMS(vlc_buf) - offset;
init_vlc(&ff_mb_non_intra_vlc[i], MB_NON_INTRA_VLC_BITS, 128,
&ff_wmv2_inter_table[i][0][1], 8, 4,
&ff_wmv2_inter_table[i][0][0], 8, 4,
INIT_VLC_STATIC_OVERLONG);
offset += ff_mb_non_intra_vlc[i].table_size;
}
INIT_VLC_STATIC(&ff_msmp4_mb_i_vlc, MB_INTRA_VLC_BITS, 64,
&ff_msmp4_mb_i_table[0][1], 4, 2,