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-/*
- Copyright (c) 2005-2009, The Musepack Development Team
- All rights reserved.
-
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are
- met:
-
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-
- * Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the following
- disclaimer in the documentation and/or other materials provided
- with the distribution.
-
- * Neither the name of the The Musepack Development Team nor the
- names of its contributors may be used to endorse or promote
- products derived from this software without specific prior
- written permission.
-
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/// \file huffman.h
-/// Data structures and functions for huffman coding.
-
-#ifndef _MPCDEC_HUFFMAN_H_
-#define _MPCDEC_HUFFMAN_H_
-#ifdef WIN32
-#pragma once
-#endif
-
-#include <mpc/mpc_types.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// LUT size parameter, LUT size is 1 << LUT_DEPTH
-#define LUT_DEPTH 6
-
-/// Huffman table entry.
-typedef struct mpc_huffman_t {
- mpc_uint16_t Code;
- mpc_uint8_t Length;
- mpc_int8_t Value;
-} mpc_huffman;
-
-/// Huffman LUT entry.
-typedef struct mpc_huff_lut_t {
- mpc_uint8_t Length;
- mpc_int8_t Value;
-} mpc_huff_lut;
-
-/// Type used for huffman LUT decoding
-typedef struct mpc_lut_data_t {
- mpc_huffman const * const table;
- mpc_huff_lut lut[1 << LUT_DEPTH];
-} mpc_lut_data;
-
-/// Type used for canonical huffman decoding
-typedef struct mpc_can_data_t {
- mpc_huffman const * const table;
- mpc_int8_t const * const sym;
- mpc_huff_lut lut[1 << LUT_DEPTH];
-} mpc_can_data;
-
-void huff_init_lut(const int bits);
-
-#ifdef __cplusplus
-}
-#endif
-#endif