81 lines
2.7 KiB
C
81 lines
2.7 KiB
C
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/*
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Copyright (c) 2005, The Musepack Development Team
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are
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met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the following
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disclaimer in the documentation and/or other materials provided
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with the distribution.
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* Neither the name of the The Musepack Development Team nor the
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names of its contributors may be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/// \file huffman.h
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/// Data structures and functions for huffman coding.
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#ifndef _mpcdec_huffman_h_
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#define _mpcdec_huffman_h_
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#ifndef WIN32
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#include "mpcdec/config_types.h"
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#else
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#include "mpcdec/config_win32.h"
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#endif
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#include "decoder.h"
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struct mpc_decoder_t; // forward declare to break circular dependencies
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/// Huffman table entry.
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typedef struct huffman_type_t {
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mpc_uint32_t Code;
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mpc_uint32_t Length;
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mpc_int32_t Value;
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} HuffmanTyp;
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//! \brief Sorts huffman-tables by codeword.
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//!
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//! offset resulting value.
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//! \param elements
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//! \param Table table to sort
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//! \param offset offset of resulting sort
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void
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mpc_decoder_resort_huff_tables(
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const mpc_uint32_t elements, HuffmanTyp *Table, const mpc_int32_t offset);
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/// Initializes sv6 huffman decoding structures.
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void mpc_decoder_init_huffman_sv6(struct mpc_decoder_t *d);
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/// Initializes sv6 huffman decoding tables.
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void mpc_decoder_init_huffman_sv6_tables(struct mpc_decoder_t *d);
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/// Initializes sv7 huffman decoding structures.
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void mpc_decoder_init_huffman_sv7(struct mpc_decoder_t *d);
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/// Initializes sv7 huffman decoding tables.
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void mpc_decoder_init_huffman_sv7_tables(struct mpc_decoder_t *d);
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#endif // _mpcdec_huffman_h_
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