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35 /// Data structures and functions for huffman coding.
37 #ifndef _MPCDEC_HUFFMAN_H_
38 #define _MPCDEC_HUFFMAN_H_
43 #include "mpc_types.h"
49 // LUT size parameter, LUT size is 1 << LUT_DEPTH
52 /// Huffman table entry.
53 typedef struct mpc_huffman_t
{
59 /// Huffman LUT entry.
60 typedef struct mpc_huff_lut_t
{
65 /// Type used for huffman LUT decoding
66 typedef struct mpc_lut_data_t
{
67 mpc_huffman
const *table
;
68 mpc_huff_lut lut
[1 << LUT_DEPTH
];
71 /// Type used for canonical huffman decoding
72 typedef struct mpc_can_data_t
{
73 mpc_huffman
const *table
;
74 mpc_int8_t
const *sym
;
75 mpc_huff_lut lut
[1 << LUT_DEPTH
];
78 void huff_init_lut(const int bits
);