#define DEHUF_AC_TABLE_SIZE (1 << DEHUF_AC_TABLE_BITS)
static const int AC_DEHUF_SLOW_PATH = 0xf0000000;
static const int AC_END_OF_BLOCK = 0xf0000001;
-static const int AC_SIXTEEN_ZEROS = 0xf0000002;
struct huffman_table {
unsigned num_codes[17]; // BITS