-
- ff_free_vlc(vlc);
- return ff_init_vlc_sparse(vlc, FFMIN(he[4095].len, 14), 4096,
- bits, sizeof(*bits), sizeof(*bits),
- codes, sizeof(*codes), sizeof(*codes),
- syms, sizeof(*syms), sizeof(*syms), 0);
-}
-
-static int huff_build(VLC *vlc, uint8_t *len)
-{
- HuffEntry he[256];
- uint32_t codes[256];
- uint8_t bits[256];
- uint8_t syms[256];
- uint32_t code;
- int i;
-
- for (i = 0; i < 256; i++) {
- he[i].sym = 255 - i;
- he[i].len = len[i];
- if (len[i] == 0 || len[i] > 32)
- return AVERROR_INVALIDDATA;
- }
- AV_QSORT(he, 256, HuffEntry, huff_cmp_len);
-
- code = 1;
- for (i = 255; i >= 0; i--) {
- codes[i] = code >> (32 - he[i].len);
- bits[i] = he[i].len;
- syms[i] = he[i].sym;
- code += 0x80000000u >> (he[i].len - 1);
- }
-
- ff_free_vlc(vlc);
- return ff_init_vlc_sparse(vlc, FFMIN(he[255].len, 12), 256,
- bits, sizeof(*bits), sizeof(*bits),
- codes, sizeof(*codes), sizeof(*codes),
- syms, sizeof(*syms), sizeof(*syms), 0);
+ return init_vlc(vlc, FFMIN(max, 12), nb_elems,
+ &he[0].len, sizeof(he[0]), sizeof(he[0].len),
+ &he[0].code, sizeof(he[0]), sizeof(he[0].code), 0);