OpenJPEG 2.1.0

bio.h

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00001 /*
00002  * The copyright in this software is being made available under the 2-clauses 
00003  * BSD License, included below. This software may be subject to other third 
00004  * party and contributor rights, including patent rights, and no such rights
00005  * are granted under this license.
00006  *
00007  * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
00008  * Copyright (c) 2002-2014, Professor Benoit Macq
00009  * Copyright (c) 2001-2003, David Janssens
00010  * Copyright (c) 2002-2003, Yannick Verschueren
00011  * Copyright (c) 2003-2007, Francois-Olivier Devaux 
00012  * Copyright (c) 2003-2014, Antonin Descampe
00013  * Copyright (c) 2005, Herve Drolon, FreeImage Team
00014  * All rights reserved.
00015  *
00016  * Redistribution and use in source and binary forms, with or without
00017  * modification, are permitted provided that the following conditions
00018  * are met:
00019  * 1. Redistributions of source code must retain the above copyright
00020  *    notice, this list of conditions and the following disclaimer.
00021  * 2. Redistributions in binary form must reproduce the above copyright
00022  *    notice, this list of conditions and the following disclaimer in the
00023  *    documentation and/or other materials provided with the distribution.
00024  *
00025  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
00026  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00028  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00029  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
00030  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
00031  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
00032  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00033  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00034  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00035  * POSSIBILITY OF SUCH DAMAGE.
00036  */
00037 
00038 #ifndef __BIO_H
00039 #define __BIO_H
00040 
00041 #include <stddef.h> /* ptrdiff_t */
00042 
00052 
00056 typedef struct opj_bio {
00058         OPJ_BYTE *start;
00060         OPJ_BYTE *end;
00062         OPJ_BYTE *bp;
00064         OPJ_UINT32 buf;
00066         OPJ_UINT32 ct;
00067 } opj_bio_t;
00068 
00071 /* ----------------------------------------------------------------------- */
00076 opj_bio_t* opj_bio_create(void);
00081 void opj_bio_destroy(opj_bio_t *bio);
00087 ptrdiff_t opj_bio_numbytes(opj_bio_t *bio);
00094 void opj_bio_init_enc(opj_bio_t *bio, OPJ_BYTE *bp, OPJ_UINT32 len);
00101 void opj_bio_init_dec(opj_bio_t *bio, OPJ_BYTE *bp, OPJ_UINT32 len);
00108 void opj_bio_write(opj_bio_t *bio, OPJ_UINT32 v, OPJ_UINT32 n);
00115 OPJ_UINT32 opj_bio_read(opj_bio_t *bio, OPJ_UINT32 n);
00121 OPJ_BOOL opj_bio_flush(opj_bio_t *bio);
00127 OPJ_BOOL opj_bio_inalign(opj_bio_t *bio);
00128 /* ----------------------------------------------------------------------- */
00132 
00133 #endif /* __BIO_H */
00134