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authorAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-04-08 21:01:05 +0200
committerAndreas Rheinhardt <andreas.rheinhardt@outlook.com>2021-04-12 18:29:11 +0200
commite9bcb08794d2561adf6a6e42d94fe11eb01ee948 (patch)
tree1e6422212adac6380e0483ea557e4764397f84bc
parent492be8909e41ccd4b4e6f10758cff50dc2ef8b67 (diff)
downloadffmpeg-e9bcb08794d2561adf6a6e42d94fe11eb01ee948.tar.gz
avcodec/msmpeg4dec: Avoid duplication of VLC init code
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
-rw-r--r--libavcodec/msmpeg4dec.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/libavcodec/msmpeg4dec.c b/libavcodec/msmpeg4dec.c
index 63f9faa1bb..8fcd5b94cd 100644
--- a/libavcodec/msmpeg4dec.c
+++ b/libavcodec/msmpeg4dec.c
@@ -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,