| 0,0 → 1,100 |
|---|
| /* |
| * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium |
| * Copyright (c) 2002-2007, Professor Benoit Macq |
| * Copyright (c) 2003-2007, Francois-Olivier Devaux and 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 */ |
| unsigned char c; |
| /** number of bits already read or free to write */ |
| unsigned int ct; |
| /** maximum length to decode */ |
| unsigned int lenmax; |
| /** length decoded */ |
| unsigned int len; |
| /** pointer to the current position in the buffer */ |
| unsigned char *bp; |
| /** pointer to the start of the buffer */ |
| unsigned char *start; |
| /** pointer to the end of the buffer */ |
| unsigned char *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* raw_create(void); |
| /** |
| Destroy a previously created RAW handle |
| @param raw RAW handle to destroy |
| */ |
| void 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 |
| */ |
| int 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 raw_init_dec(opj_raw_t *raw, unsigned char *bp, int len); |
| /** |
| Decode a symbol using raw-decoder. Cfr p.506 TAUBMAN |
| @param raw RAW handle |
| @return Returns the decoded symbol (0 or 1) |
| */ |
| int raw_decode(opj_raw_t *raw); |
| /* ----------------------------------------------------------------------- */ |
| /*@}*/ |
| |
| /*@}*/ |
| |
| #endif /* __RAW_H */ |