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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-11-03 20:28:54 +0100
committerAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-12-08 17:51:45 +0100
commitc055d8f0263ba051eedd93b357c9d9570df686d9 (patch)
tree782d1e0b8a02cd7d9a3dfa85f91ff5c67f93839a /libavcodec/imc.c
parent200e8e80aa3405d811023547b6b116f6400e37ac (diff)
avcodec/imc: Avoid offsets table when creating VLCs
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavcodec/imc.c')
-rw-r--r--libavcodec/imc.c14
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;
}
}