static int read_huffman_tables(HYuvContext *s, uint8_t *src, int length){ GetBitContext gb; int i; init_get_bits(&gb, src, length*8); for(i=0; i<3; i++){ read_len_table(s->len[i], &gb); if(generate_bits_table(s->bits[i], s->len[i])<0){ return -1; } #if 0 for(j=0; j<256; j++){ printf("%6X, %2d, %3d\n", s->bits[i][j], s->len[i][j], j); } #endif free_vlc(&s->vlc[i]); init_vlc(&s->vlc[i], VLC_BITS, 256, s->len[i], 1, 1, s->bits[i], 4, 4, 0); } generate_joint_tables(s); return (get_bits_count(&gb)+7)/8; }