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Diffstat (limited to 'third_party/libopenjpeg20/raw.h')
| -rw-r--r-- | third_party/libopenjpeg20/raw.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/third_party/libopenjpeg20/raw.h b/third_party/libopenjpeg20/raw.h new file mode 100644 index 0000000000..572c666176 --- /dev/null +++ b/third_party/libopenjpeg20/raw.h @@ -0,0 +1,106 @@ +/* + * The copyright in this software is being made available under the 2-clauses + * BSD License, included below. This software may be subject to other third + * party and contributor rights, including patent rights, and no such rights + * are granted under this license. + * + * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium + * Copyright (c) 2002-2014, Professor Benoit Macq + * Copyright (c) 2003-2007, Francois-Olivier Devaux + * Copyright (c) 2003-2014, Antonin Descampe + * Copyright (c) 2005, Herve Drolon, FreeImage 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: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * + * 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. + */ + +#ifndef __RAW_H +#define __RAW_H +/** +@file raw.h +@brief Implementation of operations for raw encoding (RAW) + +The functions in RAW.C have for goal to realize the operation of raw encoding linked +with the corresponding mode switch. +*/ + +/** @defgroup RAW RAW - Implementation of operations for raw encoding */ +/*@{*/ + +/** +RAW encoding operations +*/ +typedef struct opj_raw { + /** temporary buffer where bits are coded or decoded */ + OPJ_BYTE c; + /** number of bits already read or free to write */ + OPJ_UINT32 ct; + /** maximum length to decode */ + OPJ_UINT32 lenmax; + /** length decoded */ + OPJ_UINT32 len; + /** pointer to the current position in the buffer */ + OPJ_BYTE *bp; + /** pointer to the start of the buffer */ + OPJ_BYTE *start; + /** pointer to the end of the buffer */ + OPJ_BYTE *end; +} opj_raw_t; + +/** @name Exported functions */ +/*@{*/ +/* ----------------------------------------------------------------------- */ +/** +Create a new RAW handle +@return Returns a new RAW handle if successful, returns NULL otherwise +*/ +opj_raw_t* opj_raw_create(void); +/** +Destroy a previously created RAW handle +@param raw RAW handle to destroy +*/ +void opj_raw_destroy(opj_raw_t *raw); +/** +Return the number of bytes written/read since initialisation +@param raw RAW handle to destroy +@return Returns the number of bytes already encoded +*/ +OPJ_UINT32 opj_raw_numbytes(opj_raw_t *raw); +/** +Initialize the decoder +@param raw RAW handle +@param bp Pointer to the start of the buffer from which the bytes will be read +@param len Length of the input buffer +*/ +void opj_raw_init_dec(opj_raw_t *raw, OPJ_BYTE *bp, OPJ_UINT32 len); +/** +Decode a symbol using raw-decoder. Cfr p.506 TAUBMAN +@param raw RAW handle +@return Returns the decoded symbol (0 or 1) +*/ +OPJ_UINT32 opj_raw_decode(opj_raw_t *raw); +/* ----------------------------------------------------------------------- */ +/*@}*/ + +/*@}*/ + +#endif /* __RAW_H */ |