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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-11-03 20:28:54 +0100 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-12-08 17:51:45 +0100 |
| commit | c055d8f0263ba051eedd93b357c9d9570df686d9 (patch) | |
| tree | 782d1e0b8a02cd7d9a3dfa85f91ff5c67f93839a /libavcodec | |
| parent | 200e8e80aa3405d811023547b6b116f6400e37ac (diff) | |
| download | ffmpeg-c055d8f0263ba051eedd93b357c9d9570df686d9.tar.gz | |
avcodec/imc: Avoid offsets table when creating VLCs
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/imc.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/libavcodec/imc.c b/libavcodec/imc.c index 5a1649ab62..deb88d4d5d 100644 --- a/libavcodec/imc.c +++ b/libavcodec/imc.c @@ -113,11 +113,6 @@ static VLC huffman_vlc[4][4]; #define IMC_VLC_BITS 9 #define VLC_TABLES_SIZE 9512 -static const int vlc_offsets[17] = { - 0, 640, 1156, 1732, 2308, 2852, 3396, 3924, - 4452, 5220, 5860, 6628, 7268, 7908, 8424, 8936, VLC_TABLES_SIZE -}; - static VLC_TYPE vlc_tables[VLC_TABLES_SIZE][2]; static inline double freq2bark(double freq) @@ -235,14 +230,15 @@ static av_cold int imc_decode_init(AVCodecContext *avctx) q->sqrt_tab[i] = sqrt(i); /* initialize the VLC tables */ - for (i = 0; i < 4 ; i++) { + for (int i = 0, offset = 0; i < 4 ; i++) { for (j = 0; j < 4; j++) { - huffman_vlc[i][j].table = &vlc_tables[vlc_offsets[i * 4 + j]]; - huffman_vlc[i][j].table_allocated = vlc_offsets[i * 4 + j + 1] - vlc_offsets[i * 4 + j]; + huffman_vlc[i][j].table = &vlc_tables[offset]; + huffman_vlc[i][j].table_allocated = VLC_TABLES_SIZE - offset;; ff_init_vlc_from_lengths(&huffman_vlc[i][j], IMC_VLC_BITS, imc_huffman_sizes[i], imc_huffman_lens[i][j], 1, imc_huffman_syms[i][j], 1, 1, - 0, INIT_VLC_USE_NEW_STATIC, NULL); + 0, INIT_VLC_STATIC_OVERLONG, NULL); + offset += huffman_vlc[i][j].table_size; } } |